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or

For the transition period from           to          

(Exact name of registrant as specified in its charter)

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (214) 981-0700

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: NONE

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes  ý  No  ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes  ☐  No  ý

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý  No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Registration S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  ý No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  ☐  No  ý

As of June 30, 2025, the aggregate market value of common units representing limited partner interests held by non-affiliates of the registrant was approximately $5.8 billion based upon the closing price of its common units on the New York Stock Exchange.

The registrant had 136,894,754 common units, 16,410,780 Class C Units and 51,517,198 Class D Units, each representing limited partner interests outstanding as of February 13, 2026.

 

 

References to the “Partnership,” “Sunoco,” “we,” “us” and “our” refer to Sunoco LP and its consolidated subsidiaries. In addition, the following is a list of certain acronyms and terms used throughout this document:

Some of the information in this Annual Report on Form 10-K may contain forward-looking statements within the meaning of Section 21E of the Exchange Act. All statements, other than statements of historical fact included in this Annual Report on Form 10-K, regarding our strategy, future operations, financial position, estimated revenues and losses, projected costs, prospects, plans and objectives of management are forward-looking statements. Statements using words such as “believe,” “plan,” “could,” “expect,” “anticipate,” “intend,” “forecast,” “assume,” “estimate,” “continue,” “position,” “predict,” “project,” “goal,” “strategy,” “budget,” “potential,” “will” and other similar words or phrases are used to help identify forward-looking statements, although not all forward-looking statements contain such identifying words. Descriptions of our objectives, goals, targets, plans, strategies, costs, anticipated capital expenditures, expected cost savings and benefits are also forward-looking statements. These forward-looking statements are based on our current plans and expectations and involve a number of risks and uncertainties that could cause actual results and events to vary materially from the results and events anticipated or implied by such forward-looking statements, including:

•our ability to integrate acquisitions from affiliates or third parties, including the ability to successfully integrate Parkland's business;

•business strategy and operations of Energy Transfer and its conflicts of interest with us;

•changes in the price of and demand for the motor fuel that we distribute and our ability to appropriately hedge any motor fuel we hold in inventory;

•our dependence on limited principal suppliers;

•competition in the wholesale motor fuel distribution and retail store industry;

•changing customer preferences for alternate fuel sources or improvement in fuel efficiency;

•volatility of fuel prices or a prolonged period of low fuel prices and the effects of actions by, or disputes among or between, oil producing countries with respect to matters related to the price or production of oil;

•any acceleration of the domestic and/or international transition to a low carbon economy as a result of policy changes or otherwise;

•the possibility of cyber and malware attacks;

•changes in our credit rating, as assigned by rating agencies;

•a deterioration in the credit and/or capital markets, including as a result of recent increases in cost of capital resulting from Federal Reserve policies and changes in financial institutions’ policies or practices concerning businesses linked to fossil fuels;

•general economic conditions, including sustained periods of inflation, supply chain disruptions, new, increased and reciprocal tariffs and associated central bank monetary policies;

•environmental, tax and other federal, state and local laws and regulations;

•the macroeconomic, regulatory or other potential effects of a prolonged government shutdown;

•changes to, and the application of, regulation of tariff rates and operational requirements related to our joint ventures’ and subsidiaries’ interstate and intrastate pipelines, including the impact on the raw materials;

•political and economic conditions and events in the U.S. and in foreign oil, natural gas and NGL producing countries, including embargoes, political and regulatory changes implemented by the Trump Administration and foreign investments, continued hostilities in the Middle East, including the Israel-Hamas conflict, conflict with Iran and other sustained military campaigns, the armed conflict in Ukraine and associated economic sanctions on Russia, conditions in South America, including most recently in Venezuela, Central America and China and acts of terrorism or sabotage;

•the fact that we are not fully insured against all risks incident to our business;

•dangers inherent in the storage and transportation of motor fuel;

•our ability to manage growth and/or control costs;

•our ability to successfully identify and consummate strategic acquisitions at purchase prices that are accretive to our financial results;

•our reliance on senior management, supplier trade credit and information technology; and

•our partnership structure, which may create conflicts of interest between us and our General Partner and its affiliates, and limits the fiduciary duties of our General Partner and its affiliates.

All forward-looking statements, expressed or implied, are expressly qualified in their entirety by the foregoing cautionary statements.

New factors that could impact forward-looking statements emerge from time to time, and it is not possible for us to predict all such factors. Should one or more of the risks or uncertainties described or referenced in this Annual Report on Form 10-K occur, or should underlying assumptions prove incorrect, actual results and plans could differ materially from those expressed in any forward-looking statements.

For a discussion of these and other risks and uncertainties, please refer to “Item 1A. Risk Factors” included herein. The list of factors that could affect future performance and the accuracy of forward-looking statements is illustrative but by no means exhaustive. Accordingly, all forward-looking statements should be evaluated with the understanding of their inherent uncertainty. The forward‑looking statements included in this report are based on, and include, our estimates as of the filing of this report. We anticipate that subsequent events and market developments will cause our estimates to change. However, while we may elect to update these forward-looking statements at some point in the future, we specifically disclaim any obligation to do so except as required by law, even if new information becomes available in the future.

In addition to risks and uncertainties in the ordinary course of business that are common to all businesses, important factors that are specific to our structure as a limited partnership, our industry and our company could materially impact our future performance and results of operations.

As used in this report, the terms “Partnership,” “Sunoco,” “we,” “us” or “our” should be understood to refer to Sunoco LP and our consolidated subsidiaries as applicable and appropriate.

We are a Delaware master limited partnership. We are managed by our General Partner, which is owned by Energy Transfer. As of February 13, 2026, Energy Transfer owned 100% of the membership interest in our General Partner, 28,463,967 of our common units and all of our IDRs. In addition, Energy Transfer controls SunocoCorp, which owns all of the outstanding Class D Units representing limited partner interests in the Partnership (“Class D Units”) and pursuant to the Delegation Agreement (as defined below) has been delegated Energy Transfer’s power and authority to appoint the board of directors of our General Partner.

The following simplified diagram depicts our organizational structure as of February 13, 2026.

On October 31, 2025, we completed the previously announced acquisition of Parkland, whereby Sunoco Retail LLC (“Sunoco Retail”), a wholly owned corporate subsidiary of the Partnership, indirectly acquired all the outstanding shares of Parkland, in exchange for cash and SunocoCorp units that were contributed by SunocoCorp to the Partnership at the close of the Parkland Acquisition. Under the terms of the agreement, Parkland shareholders received 0.295 SunocoCorp units and C$19.80 for each Parkland share. Parkland shareholders could elect, in the alternative, to receive C$44.00 per Parkland share in cash or 0.536 SunocoCorp units for each Parkland share, subject to proration to ensure that the aggregate consideration payable in connection with the transaction would not exceed C$19.80 in cash per Parkland share outstanding as of immediately before close and 0.295 SunocoCorp units per Parkland share outstanding as of immediately before close. In connection with the closing of the Parkland Acquisition, we paid approximately $2.60 billion to Parkland’s shareholders and transferred 51,517,198 SunocoCorp common units, which we had received from SunocoCorp in exchange for our issuance of 51,517,198 Sunoco Class D Units to SunocoCorp.

Our principal executive offices are located at 8111 Westchester Drive, Suite 400, Dallas, Texas 75225. Our telephone number is (214) 981-0700. Our Internet address is www.sunocolp.com. We make available through our website our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act, as soon as reasonably practicable after we electronically file such material with, or furnish such material to, the SEC. Information contained on our website is not part of this report. The SEC maintains an Internet site at www.sec.gov that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC.

One of our principal strengths is our relationship with Energy Transfer. As of February 13, 2026, Energy Transfer owned 100% of the membership interest in our General Partner, all of our IDRs and 28,463,967 of our common units and pursuant to the Delegation Agreement delegated its power and authority to appoint the board of directors of our General Partner to SunocoCorp, which is also controlled by Energy Transfer. Given the significant ownership, we believe Energy Transfer will be motivated to promote and support the successful execution of our business strategies. In particular, we believe it will be in the best interest of Energy Transfer to facilitate organic growth opportunities and accretive acquisitions of third parties, although Energy Transfer is not under any obligation to do so.

Energy Transfer is one of the largest and most diversified midstream energy companies in North America. Energy Transfer, through its wholly owned operating subsidiaries, is primarily engaged in:

•natural gas midstream, intrastate and interstate transportation and storage operations; and

•crude oil, natural gas liquids (“NGL”) and refined products transportation, terminalling services, and acquisition and marketing activities as well as NGL storage and fractionation services and liquefied natural gas (“LNG”) regasification.

Our business is comprised of four reportable segments: Fuel Distribution, Pipeline Systems, Terminals and Refinery.

The following map depicts the major assets of our business and excludes corporate and field offices and certain assets that are less significant to Sunoco. This map includes the assets of TanQuid, which the Partnership acquired on January 16, 2026; however, the descriptions of our business and operations by segment below exclude TanQuid, given the timing of the transaction subsequent to December 31, 2025.

We are a distributor of motor fuels and other petroleum products that we supply to customers that include third-party dealers and distributors, commission agent operators, and commercial businesses, in addition to our directly operated convenience retail facilities. We are the largest independent fuel distributor in the Americas and are the exclusive wholesale distributor of Sunoco, Aloha, Sol, Pioneer, Fas Gas, Ultramar and EcoMaxx-branded motor fuels, supplying an extensive distribution network of customer and company operated locations. We also are one of the largest distributors of Chevron, Texaco, ExxonMobil and Valero branded motor fuel in the Americas. The other petroleum products that we distribute include marine fuel, aviation fuel, propane and lubricating oil.

The fuel distribution channel also provides for revenue associated with credit card services, franchise royalty offerings, and rental income from controlled properties leased to independent operators.

We purchase motor fuel primarily from independent refiners and major oil companies and distribute it across the United States, Canada and the Greater Caribbean to:

•approximately 9,200 retail facilities operated by independent customer operators, which we refer to as “dealers” or “distributors,” pursuant to long-term distribution agreements;

•approximately 1,300 independently operated commission agent locations where we sell motor fuel to customers under commission agent arrangements, which we refer to as “commission agents”;

•approximately 330 company operated convenience retail facilities; and

•over 13,000 other commercial businesses, including retail stores, other fuel distributors, municipalities and industrial customers.

In 2025, we distributed fuel under long-term contracts to our approximately 9,200 dealer and distributor customers. These customers buy fuel directly from us and sell the fuel to consumers at the pump. Sunoco-branded supply contracts generally have both time and volume commitments that establish contract duration. The supply contracts require, among other things, that the customers maintain the operating standards established by the applicable brand.

During 2025, our Fuel Distribution business distributed fuel to approximately 1,300 commission agent locations. Under these arrangements, we control motor fuel inventory and price at the site. Similarly to our dealer and distributor business channels, the customers are responsible for operating standards established by the applicable brand.

The dealer, distributor and commission agent business channels continue to grow and remain an attractive part of our company performance. We continually seek to expand through the addition of new branded dealers, distributors and commission agent locations, new commercial customers and through acquisitions of contracts for existing independently operated sites from other distributors. We evaluate potential new customers based on the quality of their facilities and operations, including the facility’s size and location, projected monthly volumes of motor fuel, and operating experience. We may extend credit to certain customers based on our credit evaluation process.

Sunoco owns and operates convenience retail facilities in desirable markets including Hawaii, certain markets of the US mainland and on the New Jersey Turnpike, which is one of the most heavily traveled highways in the nation. These directly operated facilities further provide for complementary revenue to our fuel distribution given their expanded service offerings including merchandise sales.

We distribute unbranded fuel to numerous other customers, including retail facilities and commercial businesses, municipalities and a multitude of commercial company customers, which also remains an attractive and growing part of our fuel distribution business segment. These customers are primarily commercial, governmental and other parties who buy motor fuel by the load or in bulk and who do not always enter into exclusive contractual relationships with us. We also sell propane, lubricating oil and other petroleum products, such as heating fuels, to our customers on both a spot and contracted basis. With the addition of Parkland, Sunoco’s lubricant business now spans large portions of Canada, western U.S. and throughout the Caribbean. In addition, we receive income from the manufacture and distribution sale of race fuels at our Marcus Hook, Pennsylvania manufacturing facility.

We distribute branded motor fuel under the Aloha, Chevron, Citgo, Conoco, EcoMaxx, Exxon, Mahalo, Mobil, Phillips 66, Shamrock, Shell, Sunoco, Texaco and Valero brands. We purchase branded motor fuel from major oil companies and refiners under supply agreements. Our largest branded fuel suppliers in terms of volume are Chevron, Exxon, Phillips 66 and Valero. The branded fuel supply agreements generally have an initial term of three to five years.

We also distribute motor fuel, which we purchase in bulk, on a rack basis based upon prices posted by the refiner at a fuel supply terminal or on a contract basis with the price tied to one or more market indices.

We purchase motor fuel in bulk and hold it in inventory or transport it via pipeline, barge, vessel, truck or rail. To mitigate inventory risk, we use commodity futures contracts or other derivative instruments, which are matched in quantity and timing to the anticipated usage of the inventory. We also blend in various additives, including ethanol and biomass-based diesel. We purchase fuel globally from Asia, Europe, Africa, South America and North America. Our scale of operation allows us to provide a lower cost of supply. This operation not only supplies our network but mitigates exposure to volatility, supply disruptions, and geopolitical risks.

We provide transportation logistics for most of our motor fuel deliveries through our own fleet of fuel transportation vehicles as well as third-party and affiliated transportation providers. In Canada, we predominately distribute through third-party carriers and independent brokers. We arrange for motor fuel to be delivered from the storage terminals to the appropriate sites in our distribution network at prices consistent with those historically charged to third parties for the delivery of fuel. We also deliver motor fuel, propane and lubricating oils to commercial customers involved in petroleum exploration and production.

We operate a waterborne logistics network, including the use of both Jones Act and foreign flag vessels, which is a critical component of our supply chain. The fleet supports sourcing crude and refined product barrels from diverse supply origins, including Asia, South America, U.S. Gulf Coast, Canada, and Europe, and facilitates delivery to downstream customers and storage locations. By maintaining a globally distributed sourcing footprint, we reduce reliance on any single region and capture arbitrage opportunities. The integration of our marine operations allows us to optimize inventory, manage transit times, and reduce overall logistics costs. Sunoco also operates blending operations across the U.S. East Coast, Gulf Coast and the Caribbean markets, creating additional supply advantages while meeting regulated specifications.

Technology is an important part of our Fuel Distribution segment. While our technology solutions can vary by country and acquisitions must be integrated, we utilize a proprietary web-based system that allows our wholesale customers to access their accounts at any time. We use Internet-based systems to assist with fuel inventory management and procurement and an integrated distribution fuel system for financial accounting, procurement, billing and inventory management.

In certain areas where our convenience stores are located, state or local laws limit the hours of operation for the sale of alcoholic beverages and restrict the sale of alcoholic beverages and tobacco products to persons younger than a certain age. State and local regulatory agencies have the authority to approve, revoke, suspend or deny applications for and renewals of permits and licenses relating to the sale of alcoholic beverages, as well as to issue fines to convenience stores for the improper sale of alcoholic beverages and tobacco products. Failure to comply with these laws may result in the loss of necessary licenses and the imposition of fines and penalties on us.

Our Pipeline Systems segment includes an integrated pipeline and terminal network comprised of approximately 6,000 miles of refined product pipeline (including the pipeline of J.C. Nolan), approximately 6,000 miles of crude oil pipeline (including the pipelines of ET-S Permian), approximately 2,000 miles of ammonia pipeline and 69 terminals.

The following details our pipelines and storage facilities, excluding our investments in J.C. Nolan and ET-S Permian, in the Pipeline Systems segment:

Through our investment in J.C. Nolan, we provide diesel fuel storage in Midland, Texas with storage capacity of 130,000 barrels, and transport diesel fuel from a tank farm in Hebert, Texas to Midland, Texas on a 500 mile pipeline with a throughput capacity of approximately 36 thousand barrels per day.

Through our investment in ET-S Permian, we operate more than 5,000 miles of crude oil and water gathering pipelines and provide crude oil storage capacity in excess of 11 million barrels.

Through our Terminals segment, we operate four transmix processing facilities and 83 terminals (two in Europe, six in Hawaii, nine in Canada, 13 in the Greater Caribbean and 53 in the continental United States). Transmix is the mixture of various off-specification refined products created in the supply chain (primarily in pipelines and terminals) when various products interface with each other. Transmix processing plants separate this mixture and return it to merchantable products of gasoline and distillates. Our terminals provide storage and distribution services to support our fuel distribution business and other third-party customers.

Our Refinery segment is composed of the Burnaby Refinery, which was acquired in the Parkland Acquisition, with an operational capacity of approximately 55,000 barrels per day. The refinery consumes primarily sweet conventional crude oil and sweet synthetic crude oil to produce gasoline, diesel and jet fuel among other products. The refinery meets federal and provincial regulations for lower carbon intensity transportation fuels through a combination of co-processing of bio feedstocks (i.e. canola oil, tallow, tall oil and others) and blending of low-carbon intensity fuels such as bio-diesel, renewable diesel, ethanol and others. Fuel from the refinery is sold primarily through Sunoco-owned retail network in British Columbia (“BC”), directly to Vancouver International Airport, and to commercial and cardlock customers.

As of December 31, 2025, our real estate and lease arrangements were as follows:

In the Fuel Distribution segment, we compete primarily with other independent motor fuel distributors. The markets for distribution of motor fuel and the retail store industry are highly competitive and fragmented, which result in narrow margins. We have numerous competitors, some of which may have significantly greater resources and name recognition than we do. Significant competitive factors include the availability of major brands, customer service, price, range of services offered and quality of service, among others. We rely on our ability to provide value-added, reliable service and control our operating costs in order to maintain our margins and competitive position. Additionally, we face strong competition in the market for the sale of retail gasoline and merchandise. Our competitors include service stations of large integrated oil companies, independent gasoline service stations, convenience stores, fast food stores, supermarkets, drugstores, dollar stores, club stores and other similar retail outlets, some of which are well-recognized national or regional retail systems. The number of competitors varies depending on the geographical area. Competition also varies with gasoline and convenience store offerings. The principal competitive factors affecting our retail marketing operations include gasoline and diesel acquisition costs, site location, product price, selection and quality, site appearance and cleanliness, hours of operation, store safety, customer loyalty and brand recognition. We compete by pricing gasoline competitively, combining our retail gasoline business with convenience stores that provide a wide variety of products, and using advertising and promotional campaigns.

In the Pipeline Systems segment, we compete primarily with common carrier and proprietary pipelines owned and operated by major integrated and large independent oil companies and other pipeline companies in our service areas. Competition between common carrier pipelines is based primarily on transportation charges, quality of customer service and proximity to end users. Trucks may deliver products competitively for short-haul destinations; however, trucking costs render that mode of transportation noncompetitive with pipeline options for long-haul destinations or for larger volumes.

In the Terminals segment, we compete primarily with both major energy and chemical companies as well as independent terminal owners. Although major energy and chemical company terminals often have the same capabilities as terminals owned by independent operators, they generally do not provide terminalling services to third parties. In many instances, even major energy and chemical companies that have storage and terminalling facilities are also significant customers of independent terminal operators, especially terminals located in cost-effective locations near key transportation links, such as deep-water ports. Major energy and chemical companies also need independent terminal storage when their proprietary storage facilities are inadequate due to size constraints, the nature of the stored material or specialized handling requirements. Independent terminal owners generally compete on the basis of the location and versatility of terminals, service and price. A favorably located terminal will have access to various cost-effective transportation modes both to and from the terminal. Transportation modes typically include waterways, railroads, roadways and pipelines. Terminal versatility is a function of the operator’s ability to offer complex handling requirements for diverse products. The services typically provided by the terminal include, among other things, the safe storage of the product at specified temperature, moisture and other conditions, as well as receipt at and delivery from the terminal, all of which must comply with applicable environmental regulations. A terminal operator’s ability to obtain attractive pricing is often dependent on the quality, versatility and reputation of the facilities owned by the operator. Operators with versatile storage capabilities typically require less modification prior to usage, ultimately making the storage cost to the customer more attractive. On the West Coast, regulatory priorities continue to increase demand for renewable fuels in the region, while at the same time, obtaining permits for greenfield projects remains difficult, which both add more value to our existing assets.

In the Refinery segment, our Burnaby Refinery competes with other refineries owned by major energy companies. The majority of the Burnaby Refinery’s production remains in British Columbia, Canada but faces competition with Alberta, Canada-based refineries which consume crude from Alberta, Canada and sell to the British Columbia market with transportation through the Trans Mountain Pipeline (“TMPL”) and other means. Competition is based primarily on transportation charges, reliability of supply and proximity to end users.

Our business exhibits some seasonality due to our customers’ increased demand for motor fuel during the late spring and summer months, as compared to the fall and winter months. Travel, recreation and construction activities typically increase in these months in the geographic areas in which we operate, increasing the demand for motor fuel. Therefore, the volume of motor fuel that we distribute is typically somewhat higher in the second and third quarters of our fiscal year. As a result, our results from operations may vary from period to period. Our commercial operations experience higher volumes in the winter months as a result of higher demand for diesel and heating oil in the winter.

Related to our retail store operations, we maintain customary levels of fuel and merchandise inventories and carry corresponding payable balances to suppliers of those inventories. In addition, Sunoco, LLC purchases and stores a significant amount of unbranded fuel in bulk. We also have rental obligations related to leased locations. Our working capital needs will typically fluctuate over the medium to long term with the price of crude oil, and over the short term due to the timing of motor fuel tax, sales tax, interest and rent payments.

Sunoco is subject to various federal, state, provincial and local environmental laws and regulations, including those relating to underground storage tanks; the release or discharge of hazardous materials into the air, water and soil; the generation, storage, handling, use, transportation and disposal of regulated materials and wastes; the exposure of persons to regulated materials; and the remediation of contaminated soil, groundwater or other environmental media. For more information, see “Sunoco’s operations are subject to federal, state, provincial and local laws and regulations pertaining to environmental protection and operational safety that may require significant expenditures or result in liabilities that could have a material adverse effect on Sunoco’s business” in “Item 1A. Risk Factors” in this Annual Report on Form 10-K.

Environmental laws and regulations can restrict or impact Sunoco’s business activities in many ways, such as:

•requiring remedial action to mitigate releases of hydrocarbons, hazardous substances or wastes caused by its operations or attributable to former operators;

•requiring capital expenditures to comply with environmental control requirements; and

•enjoining the operations of facilities deemed to be in noncompliance with environmental laws and regulations.

Failure to comply with environmental laws and regulations may trigger a variety of administrative, civil and criminal enforcement measures, including the assessment of monetary penalties, the imposition of remedial requirements and the issuance of orders enjoining, imposing restrictions on or otherwise curtailing future operations. Certain environmental statutes impose strict, joint and several liability for costs required to clean up and restore sites where hydrocarbons, hazardous substances or wastes have been released or disposed of.

Moreover, neighboring landowners and other third parties may file claims for personal injury and property damage allegedly caused by the release of hydrocarbons, hazardous substances or other wastes into the environment.

Sunoco does not believe that compliance with federal, state, provincial or local environmental laws and regulations will have a material adverse effect on its financial position, results of operations or cash available for distribution to its unitholders, including SunocoCorp. Any future change in regulatory requirements could cause it to incur significant costs. We incorporate by reference into this section the disclosures included in Note 15 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

Certain environmental laws, including the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (“CERCLA”), impose strict, and under certain circumstances, joint and several, liability on the owner and operator as well as former owners and operators of properties for the costs of investigation, removal or remediation of contamination and also impose liability for any related damages to natural resources without regard to fault. In addition, under CERCLA and similar state laws, as persons who arrange for the transportation, treatment or disposal of hazardous substances, Sunoco also may be subject to similar liability at sites where such hazardous substances are released. Sunoco may also be subject to third-party claims alleging property damage and/or personal injury in connection with releases of or exposure to hazardous substances at, from or in the vicinity of, our current properties or off-site waste disposal sites.

Sunoco is required to comply with federal and state financial responsibility requirements to demonstrate that it has the ability to pay for remediation or to compensate third parties for damages incurred as a result of a release of regulated materials from its underground storage tank systems. It meets these requirements primarily by maintaining insurance, which it purchases from private insurers.

The Burnaby Refinery is subject to several federal, BC provincial and municipal laws, regulations and bylaws that apply to the assessment, management and disposal of pollution, toxic substances and hazardous wastes. For example, the BC Environmental Management Act (“BCEMA”) imposes absolute, retroactive, joint and several liability on several classes of responsible parties, including current or previous owners or operators of contaminated sites, and persons that generated or arranged for the transport of the contaminating substance that agreed to handle the substance in a manner that caused a site to become contaminated. In addition, the BCEMA requires Sunoco to develop and implement a spill contingency plan for the transport of certain hazardous substances, including aviation fuel, crude oil, gasoline and kerosene, by pipeline or highway.

At the federal level, the Canadian Environmental Protection Act (“CEPA”) imposes requirements for managing toxic substances and other pollution, including those related to petroleum storage tanks. Sunoco, along with certain corporate officers, may be subject to administrative fines, penalties and compliance orders for any failure to comply with these regulations. Sunoco is also subject to the federal Dangerous Goods Transportation Act and similar provincial laws and regulations when transporting or handling hazardous materials over road or water.

Sunoco is currently involved in the investigation and remediation of contamination at motor fuel storage and gasoline store sites where releases of regulated substances have been detected. It accrues for anticipated future costs and the related probable state reimbursement amounts for remediation activities. Accordingly, it has recorded estimated undiscounted liabilities for these sites totaling $168 million as of December 31, 2025. As of December 31, 2025, Sunoco has additional reserves of $254 million that represent its estimate for future asset retirement obligations for underground storage tanks.

Sunoco is required to make financial expenditures to comply with regulations governing underground storage tanks (“USTs”) adopted by federal, state and local regulatory agencies. Pursuant to the Resource Conservation and Recovery Act of 1976 (“RCRA”), as amended, the EPA has established a comprehensive regulatory program for the detection, prevention, investigation and cleanup of leaking underground storage tanks. State or local agencies are often delegated the responsibility for implementing the federal program or developing and implementing equivalent state or local regulations. Additionally, with respect to the Burnaby Refinery, the federal Storage Tank Systems for Petroleum Products and Allied Petroleum Products Regulations impose technical standards for design, installation, operation and removal of federally regulated tanks. Sunoco may be required in the future to remove USTs, aboveground storage tanks and in-ground lifts containing petroleum-based products and hazardous substances should they represent a risk of release or threatened release into the environment. Sunoco has a comprehensive program in place for performing routine tank testing and other compliance activities, which are intended to promptly detect and investigate any potential releases. To date, compliance with applicable underground or other petroleum storage tank requirements have not had a material adverse impact on Sunoco’s business, though we cannot guarantee this will always be the case.

The Clean Air Act and similar state laws impose requirements on emissions to the air from motor fueling, storage and transportation activities in certain areas of the country, including those that do not meet state or national ambient air quality standards. These laws and implementing regulations may require the installation of vapor recovery systems to control emissions of volatile organic compounds to the air during the motor fueling process or otherwise in the course of our operations. For example, in October 2024, the EPA finalized changes to its new source performance standards (“NSPS”) for new, modified and reconstructed storage vessels containing volatile organic liquids, a term which includes certain of our products. The EPA’s final rule created new NSPS subpart Kc, which broadened the definition of modification for storage tanks (which would result in significantly broader application of this rule to existing tanks), introduced more stringent emission control requirements for certain tanks, imposed additional annual monitoring requirements for certain tanks, and require control of degassing events, amongst other matters. Costs to comply with new rules under the Clean Air Act can be substantial. In addition, under the Clean Air Act and comparable state and local laws, permits are typically required to emit regulated air pollutants into the atmosphere. Although we can give no assurances, we are aware of no changes to air quality regulations that will have a material adverse effect on our financial condition, results of operations or cash available for distribution to our unitholders.

Various federal, state, provincial and local agencies have the authority to prescribe product quality and volatility specifications for the motor fuels that Sunoco sells, including with respect to products produced at the Burnaby Refinery, largely in an effort to reduce air pollution. Failure to comply with these regulations can result in substantial penalties. To date, compliance with applicable product quality and volatility specifications for motor fuels has not had a material adverse impact on Sunoco’s business, though we cannot guarantee this will always be the case.

In Canada, CEPA and similar provincial and local laws and regulations impose restrictions, permitting obligations and other requirements with respect to emissions of pollutants from industrial facilities, including the Burnaby Refinery. These laws and regulations require Sunoco to meet specified air contaminant emissions limits, undertake air quality monitoring activities, implement odor management activities and meet reporting obligations, among other requirements. Governmental authorities may also impose fees on emissions. If Sunoco fails to comply with applicable laws or permit obligations, it may be subject to significant fines and penalties.

In recent years, there have been a number of efforts at the federal, state and provincial levels focused on reducing greenhouse gas (“GHG”) emissions from various sources in the United States and in Canada. With respect to the United States, at both the state and the federal level, legislators have from time to time considered legislation to reduce GHG emissions in the United States such as a carbon emissions tax or a cap-and-trade program or direct emission regulation by the EPA. For example, in 2022 President Biden signed the Inflation Reduction Act of 2022 (“IRA 2022”) into law, which created significant incentives for renewable energy initiatives and imposed a fee on excess methane emissions from certain oil and gas facilities. The EPA issued a final rule implementing the fee in November 2024. However, in February 2025, Congress repealed the rule using the Congressional Review Act, and the One Big Beautiful Bill Act (“OBBBA”), enacted in July 2025, delayed implementation of the fee until 2034. We cannot predict with any certainty whether, how, or the timing for when the Trump Administration or Congress may take further action to repeal or revise this requirement in the IRA 2022. Notwithstanding the EPA’s recent final rule repealing the “Endangerment Finding” that underlies the majority of its GHG-related regulations, GHG emissions have been regulated by the EPA under previous administrations pursuant to the Clean Air Act as well as by state environmental authorities. For example, the EPA previously finalized new criteria pollutant and GHG emissions standards for light and medium-duty vehicles, including passenger cars, vans, pickups, sedans and sport utility vehicles for model years 2027 through 2032 and beyond. However, in February 2026, the EPA issued final rules rescinding the “Endangerment Finding” underpinning the majority of EPA’s GHG regulations and GHG emission standards for new motor vehicles and engines. Litigation challenging these rules is expected. As a result, there is significant uncertainty with respect to regulation of GHG emissions. Additionally, OBBBA eliminates electric vehicle credits previously available for new and used electric vehicles and commercial fleets. However, we cannot predict whether or not these regulatory repeals will ultimately be successful or if future administrations may seek to restore incentives and further promote or mandate the adoption of electric vehicles.

New federal or state restrictions on emissions of GHGs that may be imposed in areas of the United States in which Sunoco conducts business and that apply to its operations could adversely affect the demand for its products. However, on his first day in office, President Trump issued several Executive Orders rescinding many of the previous administration’s climate-related initiatives, including directing agencies to immediately pause the disbursement of certain funds, including funding for GHG mitigation projects. Even absent any significant GHG-related rulemakings in the near-term at the federal level, several states in which Sunoco operates, such as California, Colorado and Pennsylvania, may continue to aggressively pursue the regulation of GHG emissions.

With respect to Canada, legislators at the federal and provincial levels have implemented or proposed to implement a number of regulations pertaining to GHG emissions. For example, Sunoco is required to submit annual GHG emissions reports with respect to the Burnaby Refinery pursuant to the CEPA. Further, in 2018, Canada enacted the Greenhouse Gas Pollution Pricing Act, which set federal standards for carbon pricing and allowed federal and provincial governments to impose a “tax” on carbon emissions. However, in March 2025, Prime Minister Mark Carney removed the federal consumer carbon tax, and in April 2025, BC repealed the provincial consumer carbon tax.

Future efforts to reinstate these taxes or otherwise impose fees on GHG emissions could have a material adverse impact on our business. At the provincial level, the BC Greenhouse Gas Industrial Reporting and Control Act (“GGIRCA”) imposes emissions performance standards and ongoing emissions reporting and reduction requirements for certain industrial facilities, with payment obligations to the provincial government for emissions in excess of statutory limits. The GGIRCA further establishes a compliance mechanism that includes creation, trading and usage of compliance credits, which are generated by facilities that emit GHGs below their specified limit or from specified offset project proponents.

The profitability of the Burnaby Refinery and its business are dependent upon opportunities and obligations to create, sell, purchase and retire compliance credits, legislated carbon-intensity standard considerations and legislated and market pricing stringency considerations in which such compliance credits are made to be tradeable. Changes impacting these credits, including changing market conditions may negatively impact Sunoco’s profitability or otherwise increase compliance costs, which may in turn adversely affect our Refinery Segment business and results of operations.

At the international level, the United States, Canada and 194 other countries previously reached an agreement during the 21st Conference of the Parties to the United Nations Framework Convention on Climate Change (the “Paris Agreement”), a long-term, international framework convention designed to address climate change over the next several decades. However, in January 2025, President Trump issued an executive order withdrawing the United States from the Paris Agreement. In January 2026, President Trump announced the United States’ withdrawal from the United Nations Framework Convention on Climate Change. State or local governments may, however, elect to continue to participate in international climate change initiatives and pursue state- or regional-level climate change-related regulations. Any efforts to control and/or reduce GHG emissions by the United States or other countries, or concerted conservation efforts that result in reduced consumption, could adversely impact demand for Sunoco’s products and, in turn, our financial position and results of operations.

Climate change may also result in various physical risks, such as the increased frequency or intensity of extreme weather events or changes in meteorological and hydrological patterns that could adversely impact Sunoco’s operations or those of its supply chains. Such physical risks may result in damage to Sunoco’s facilities or its customers’ facilities or otherwise adversely impact its operations, such as to the extent changing weather and temperature trends reduce the demand for our products or frequency with which consumers may visit its locations or impact the cost or availability of insurance. Moreover, certain parties, including local and state governments, have from time to time filed lawsuits against various fossil fuel energy companies seeking damages for alleged physical impacts resulting from climate change or relating to false or misleading statements related to fossil fuel’s contribution to climate change. In addition, several states, including New York and Vermont, have passed climate change-related “Superfund” laws that seek to impose liability for alleged damages from climate change on certain types of entities. Other states are also considering the adoption of such laws. Further, there are increasing financial risks to companies in the fossil fuel sector as members of the general financial and investment communities increase sustainability considerations in their practices. There is also a risk that financial institutions will be required to adopt policies that have the effect of reducing the funding provided to the fossil fuel sector, although this trend has waned in recent years. To the extent implemented or pursued, these efforts may adversely affect the market for our securities and our ability to access capital and financial markets in the future.

Separately, in March of 2024, the SEC has published a rule establishing a framework for reporting of climate risks, targets and metrics. However, the rule is currently paused pending litigation, with such litigation held in abeyance until the SEC reconsiders, repeals or otherwise modifies the rule. In March 2025, the SEC voted to end its defense of the rule, though further action has not been taken at this time to repeal the rule. Similarly, in October 2023 the Governor of California signed the Climate Corporate Data Accountability Act (“CCDAA”) and Climate-Related Financial Risk Act (“CRFRA”) into law. The CCDAA requires both public and private U.S. companies that are “doing business in California” and that have a total annual revenue of $1 billion to publicly disclose and verify, on an annual basis, Scope 1, 2, and 3 GHG emissions. Both laws are vague and potentially overbroad with respect to their applicability, appearing to require only minimal contacts with California. The CRFRA requires the disclosure of a climate-related financial risk report in line with certain stakeholder frameworks every other year for public and private companies that are “doing business in California” and have total annual revenue of $500 million. Reporting under both laws would begin in 2026; however, both the CCDAA and CRFRA are currently subject to litigation, and in November 2025, the U.S. Court of Appeals for the Ninth Circuit stayed enforcement of the CRFRA pending the outcome of litigation, and we cannot predict the final outcome. Currently, the ultimate impact of these laws on Sunoco’s business is uncertain, but to the extent implemented, Sunoco may face additional costs to comply with these disclosure requirements as well as increased costs of and restrictions on access to capital. Separately, enhanced climate related disclosure requirements could lead to reputational or other harm with customers, regulators, investors or other stakeholders and could also increase Sunoco’s litigation risks relating to alleged climate-related damages resulting from its operations, statements alleged to have been made by us or others in our industry regarding climate change risks, or in connection with any future disclosures Sunoco may make regarding reported emissions, particularly given the inherent uncertainties and estimations with respect to calculating and reporting GHG emissions. These various political, regulatory, financial, physical and litigation risks related to climate change have the potential to adversely impact Sunoco’s operations and financial performance.

The U.S. Federal Water Pollution Control Act, as amended, (the “Clean Water Act”), and analogous state laws, impose restrictions and strict controls regarding the discharge of pollutants into navigable waters of the United States (“WOTUS”). The definition of WOTUS has been subject to repeated change in recent years. Most recently, the EPA issued a final WOTUS rule in September 2023 that is currently only implemented in 24 states due to ongoing litigation. In November 2025, the EPA issued a proposed rule to further update and narrow the definition of WOTUS. To the extent any action further expands the scope of the Clean Water Act’s jurisdiction, it could cause increased costs and delays with respect to obtaining permits for dredge and fill activities in wetland areas. Federal and state regulatory agencies can impose administrative, civil and/or criminal penalties for non-compliance with discharge permits or other requirements of the Clean Water Act, and can also pursue injunctive relief to enforce compliance with the Clean Water Act and analogous laws. Spill prevention control and countermeasure requirements of federal and state laws require containment and equipment to monitor, mitigate or prevent contamination of waters in the event of a refined product overflow, rupture, or leak from above-ground pipelines and storage tanks. The Clean Water Act also requires Sunoco to maintain spill prevention control and countermeasure plans at its terminal facilities with above-ground storage tanks and pipelines.

The U.S. Oil Pollution Act of 1990 (“OPA 90”) amended certain provisions of the Clean Water Act as they relate to the release of petroleum products into navigable waters. OPA 90 subjects owners of facilities to strict, joint and potentially unlimited liability for containment and removal costs, natural resource damages and certain other consequences of an oil spill. State laws also impose requirements relating to the prevention of oil releases and the remediation of areas. In addition, the OPA 90 requires that most fuel transport and storage companies maintain and update various oil spill prevention and oil spill contingency plans. Facilities that are adjacent to water require the engagement of Federally Certified Oil Spill Response Organizations to be available to respond to a spill on water from above ground storage tanks or pipelines.

Transportation and storage of refined products over and adjacent to water involves risk and potentially subjects Sunoco to strict, joint, and potentially unlimited liability for removal costs and other consequences of an oil spill where the spill is into navigable waters, along shorelines or in the exclusive economic zone of the United States. In the event of an oil spill into navigable waters, substantial liabilities could be imposed upon us. The Clean Water Act imposes restrictions and strict controls regarding the discharge of pollutants into navigable waters, with the potential of substantial liability for the violation of permits or permitting requirements.

In Canada, the BCEMA and other federal, provincial and local laws, such as the Petroleum Refinery Liquid Effluent Regulations issued under the federal Fisheries Act, impose permitting obligations and restrictions on the direct and indirect discharge of wastes and deleterious materials into land and water. Governmental authorities can impose administrative penalties or other regulatory consequences for failure to comply with these laws or permits issued thereunder or for harm to sensitive marine populations or their habitat, which penalties can be significant.

If permits or other authorizations from the federal government are required, Sunoco’s future operations may be subject to broad environmental review under the National Environmental Policy Act (“NEPA”). NEPA requires federal agencies to evaluate the environmental impacts of all “major federal actions” significantly affecting the quality of the human environment, which may include the granting of a federal permit for a major development project, such as a pipeline. Procedures for implementing NEPA vary at the agency level, and in their evaluations, agencies may consider impacts of the proposed action on air and water quality, wildlife, cultural resources, geology, socioeconomics and aesthetics. As a result of NEPA reviews, agencies may decide to deny permits or other authorizations for a project or to condition such authorizations on modifications or mitigation measures. Further, authorizations and reviews under NEPA are often subject to appeal or litigation, which may lead to further delays.

The Endangered Species Act, or ESA, restricts activities that may affect endangered or threatened species or their habitats. While some of Sunoco’s operations may be located in areas that are designated as habitats for such species, Sunoco believes that it is in substantial compliance with the ESA. However, the designation of previously unlisted or threatened species could cause Sunoco to incur additional costs or become subject to operating restrictions in the affected areas.

Some of Sunoco’s pipelines are subject to regulation by the Pipeline and Hazardous Materials Safety Administration (“PHMSA”), pursuant to the Hazardous Liquids Pipeline Safety Act of 1979 (“HLPSA”). The HLPSA was amended by the Pipeline Safety Act of 1992, the Accountable Pipeline Safety and Partnership Act of 1996, the Pipeline Safety Improvement Act of 2002 (“PSIA”), as reauthorized and amended by the Pipeline Inspection, Protection, Enforcement and Safety Act of 2006, the Pipeline Safety, Regulatory Certainty and Job Creation Act of 2011 (“2011 Pipeline Safety Act”) and the Protecting Our Infrastructure of Pipelines and Enhancing Safety Act of 2020. The HLPSA regulates safety requirements in the design, construction, operation and maintenance of crude oil and NGL pipeline facilities, while the PSIA establishes mandatory inspections for all U.S. crude oil, NGLs and hazardous liquid transmission pipelines in certain high risk areas, such as high-consequence areas (“HCAs”) or moderate consequence areas (“MCAs”).

In October 2025, members of Congress introduced the Pipeline Safety Act of 2025, which would reauthorize appropriation for PHMSA and modernize pipeline safety regulations.

PHMSA has developed regulations that require pipeline operators to implement integrity management programs, including more frequent inspections and other measures to ensure pipeline safety in HCAs and MCAs. The regulations require operators, including us, to:

•perform ongoing assessments of pipeline integrity;

•identify and characterize applicable threats to pipeline segments that could impact certain high risk areas;

•improve data collection, integration and analysis;

•repair and remediate pipelines as necessary; and

•implement preventive and mitigating actions.

The 2011 Pipeline Safety Act, among other things, increased the maximum civil penalty for pipeline safety violations and directed the Secretary of Transportation to promulgate rules or standards relating to expanded integrity management requirements, automatic or remote controlled valve use, excess flow valve use, leak detection system installation and testing to confirm the material strength of pipe operating above 30% of specified minimum yield strength in HCAs. Consistent with the 2011 Pipeline Safety Act, PHMSA finalized rules that increased the maximum administrative civil penalties for violation of the pipeline safety laws and regulations to $200,000 per violation per day, with a maximum of $2,000,000 for a related series of violations. In December 2024, those maximum civil penalties were increased to $272,926 and $2,729,245, respectively, to account for inflation. The PHMSA has also issued a final rule applying safety regulations to certain rural low-stress hazardous liquid pipelines that were not covered previously by some of its safety regulations.

Following legislation enacted by Congress, PHMSA has issued or proposed regulations that either seek to impose new obligations on pipeline operations or expand existing pipeline safety requirements. In the Fiscal Year 2021 Omnibus Appropriations Bill, Congress authorized PHMSA’s spending through fiscal year 2023 and directed the Agency to move forward with several regulatory actions: the promulgation of rules related to changes in class location of existing pipelines, pipeline integrity and maintenance, and the management of idled pipelines, amongst other matters. An example of PHMSA’s rulemaking under this directive was a 2022 rule, expanding regulations for the installation of rupture mitigation valves and establishing of a minimum rupture detection standard. PHMSA also released final regulations in January 2025 related to the management of methane emissions from pipelines, but the Trump Administration subsequently withdrew these regulations before formal publication in the Federal Register, and PHMSA has not announced any intention to re-propose these or any similar rules. Separately, on July 1, 2025 and August 21, 2025, PHMSA issued final rules amending its pipeline safety regulations to incorporate updated industry standards. However, in September 2025, industry groups requested a stay of enforcement of the July 2025 final rule, and PHMSA stated it would use its enforcement discretion to allow regulated entities to operate under the outdated industry standards through January 1, 2027. We cannot predict the capital and operating expenditures related to Sunoco’s compliance with future PHMSA rulemakings, and such rulemakings may require it to incur significant costs to maintain compliance.

States are largely preempted by federal law from regulating pipeline safety for interstate lines but most are certified by the DOT to assume responsibility for enforcing federal intrastate pipeline regulations and inspection of intrastate pipelines. States may adopt stricter standards for intrastate pipelines than those imposed by the federal government for interstate lines; however, states vary considerably in their authority and capacity to address pipeline safety. State standards may include requirements for facility design and management in addition to requirements for pipelines. We do not anticipate any significant difficulty in complying with applicable state laws and regulations; however, we cannot guarantee that this will or will always be the case.

Sunoco regularly reviews all existing and proposed pipeline safety requirements and work to incorporate the new requirements into procedures and budgets. Sunoco expects to incur increasing regulatory compliance costs, based on the intensification of the regulatory environment and upcoming changes to regulations as outlined above, consistent with other similarly situated midstream companies. In addition to regulatory changes, costs may be incurred if there is an accidental release of a commodity transported by Sunoco’s system, or a regulatory inspection identifies a deficiency in its required programs and corrective action is required.

Interstate common carrier pipeline operations are subject to rate regulation by the FERC under the Interstate Commerce Act (“ICA”), the Energy Policy Act of 1992 (“EPAct of 1992”), and related rules and orders. The ICA requires that tariff rates for petroleum pipelines be “just and reasonable” and not unduly discriminatory and that such rates and terms and conditions of service be filed with the FERC. This statute also permits interested persons to challenge proposed new or changed rates. The FERC is authorized to suspend the effectiveness of such rates for up to seven months, though rates are typically not suspended for the maximum allowable period. If the FERC finds that the new or changed rate is unlawful, it may require the carrier to pay refunds for the period that the rate was in effect. The FERC also may investigate, upon complaint or on its own motion, rates that are already in effect and may order a carrier to change its rates prospectively.

Upon an appropriate showing, a shipper may obtain reparations for damages sustained for a period of up to two years prior to the filing of a complaint.

The FERC generally has not investigated interstate rates on its own initiative when those rates, like those Sunoco charges, have not been the subject of a protest or a complaint by a shipper. However, the FERC could investigate Sunoco’s rates at the urging of a third party if the third party is either a current shipper or has a substantial economic interest in the tariff rate level. Although no assurance can be given that the tariff rates charged by Sunoco ultimately will be upheld if challenged, management believes that the tariff rates now in effect for Sunoco’s pipelines are within the maximum rates allowed under current FERC policies and precedents.

Sunoco is able to use various FERC-authorized rate change methodologies for its interstate pipelines, including indexed rates, cost-of-service rates, market-based rates and negotiated rates. Typically, it adjusts its rates annually in accordance with the FERC indexing methodology, which currently allows a pipeline to change its rates within prescribed ceiling levels that are tied to an inflation index. It is possible that the index may result in a negative rate adjustments in some years, or that changes in the index might not be large enough to fully reflect actual increases in our costs.

To the extent Sunoco relies on cost-of-service ratemaking to establish or support its rates, the issue of the proper allowance for federal and state income taxes could arise. In July 2016, the United States Court of Appeals for the District of Columbia Circuit issued an opinion in United Airlines, Inc., et al. v. FERC, finding that the FERC had failed to demonstrate that permitting an interstate petroleum products pipeline organized as a master limited partnership, or MLP, to include an income tax allowance in the cost of service underlying its rates, in addition to the discounted cash flow return on equity, would not result in the pipeline partnership owners double recovering their income taxes. The court vacated the FERC’s order and remanded to the FERC to consider mechanisms for demonstrating that there is no double recovery as a result of the income tax allowance.

In March 2018, the FERC issued a Revised Policy Statement on Treatment of Income Taxes in which the FERC found that an impermissible double recovery results from granting an MLP pipeline both an income tax allowance and a return on equity pursuant to the FERC’s discounted cash flow methodology. The FERC revised its previous policy, stating that it would no longer permit an MLP pipeline to recover an income tax allowance in its cost of service. The FERC stated it will address the application of the United Airlines decision to non-MLP partnership forms as those issues arise in subsequent proceedings. In July 2018, the FERC dismissed requests for rehearing and clarification of the March 2018 Revised Policy Statement, but provided further guidance, clarifying that a pass-through entity will not be precluded in a future proceeding from arguing and providing evidentiary support that it is entitled to an income tax allowance and demonstrating that its recovery of an income tax allowance does not result in a double recovery of investors’ income tax costs. On July 31, 2020, the United States Court of Appeals for the District of Columbia Circuit issued an opinion upholding FERC’s March 2018 Revised Policy Statement, as clarified and revised on rehearing. In light of the rehearing order’s clarification regarding individual entities’ ability to argue in support of recovery of an income tax allowance and the court’s subsequent opinion upholding denial of an income tax allowance to a master limited partnership, the impacts the FERC’s policy on the treatment of income taxes may have on the rates an interstate pipeline held in a tax-pass-through entity can charge for the FERC regulated transportation services are unknown at this time.

Effective January 2018, the 2017 Tax Cuts and Jobs Act changed several provisions of the federal tax code, including a reduction in the maximum corporate tax rate. With the lower tax rate, and as discussed immediately above, the tariff rates allowed by the FERC under its rate base methodology may be impacted by a lower income tax allowance component. The timing and impact to Sunoco’s pipelines of any tax-related policy change is unknown at this time and varies based on the circumstances of each pipeline.

The EPAct of 1992 required the FERC to establish a simplified and generally applicable methodology to adjust tariff rates for inflation for interstate petroleum pipelines. As a result, the FERC adopted an indexing rate methodology which, as currently in effect, allows common carriers to change their rates within prescribed ceiling levels that are tied to changes in the Producer Price Index for Finished Goods, or PPI-FG. The FERC’s indexing methodology is subject to review every five years.

The indexing methodology is applicable to existing rates, including grandfathered rates, with the exclusion of market-based rates. A pipeline is not required to raise its rates up to the index ceiling, but it is permitted to do so and rate increases made under the index are presumed to be just and reasonable unless a protesting party can demonstrate that the portion of the rate increase resulting from application of the index is substantially in excess of the pipeline’s increase in costs. Under the indexing rate methodology, in any year in which the index is negative, pipelines must file to lower their rates if those rates would otherwise be above the rate ceiling.

In December 2020, FERC issued an order setting the indexed rate at PPI-FG plus 0.78% during the five-year period commencing July 1, 2021 and ending June 30, 2026. The FERC received requests for rehearing of its December 17, 2020 order and on January 20, 2022, granted rehearing and modified the oil index. Specifically, for the five-year period commencing July 1, 2021 and ending June 30, 2026, FERC-regulated liquids pipelines charging indexed rates were permitted to adjust their indexed ceilings annually by PPI-FG minus 0.21%. FERC directed liquids pipelines to recompute their ceiling levels for July 1, 2021 through June 30, 2022, as well as the ceiling levels for the period July 1, 2022 through June 30, 2023, based on the new index level. Where an oil pipeline’s filed rates exceeded its ceiling levels, FERC ordered such oil pipelines to reduce the rate to bring it into compliance with the recomputed ceiling level to be effective March 1, 2022. Some parties sought rehearing of the January 20 order with FERC, which was denied by FERC on May 6, 2022.

Certain parties have appealed the January 20 and May 6 orders. On July 26, 2024, the D.C. Circuit ruled in LEPA v. FERC that FERC violated the Administrative Procedure Act because the January 20 order modified the index without following notice and comment. As a result, the D.C. Circuit vacated the January 20 order and on September 17, 2024, the Commission reinstated the index level established by its original December 17 order, directed pipelines to file an informational filing to show their recomputed ceiling levels reflecting the reinstated index level and stated that pipelines could file to prospectively increase their indexed rates to their recomputed levels. On October 17, 2024, FERC issued a Supplemental Notice of Proposed Rulemaking (“Supplemental NOPR”) that proposed a reduction to the then-currently effective index by one percent. On November 20, 2025, FERC withdrew the Supplemental NOPR and confirmed that the PPI-FG-0.78% index established in December 2020 will remain in place through June 30, 2026. On the same day, FERC approved limited relief for pipelines. Oil pipelines with index-based rates may recover applicable rate differences from March 1, 2022 to September 17, 2024, but only if such pipelines charged the maximum rate allowed under the applicable index ceiling during the relevant time period. Parties have since filed requests for clarification or rehearing, as well as court appeals, to determine whether pipelines may recover rate differences in other scenarios.

In addition to terminating the Supplemental NOPR proceeding, on November 20, 2025, FERC issued an Order Denying Rehearing of the Reinstatement Order and Granting Remedial Relief (“Remedial Relief Order”), which granted remedial relief to liquids pipelines for the locked-in period of March 1, 2022 to September 17, 2024, when the lower index was effective under the order vacated by the D.C. Circuit in LEPA v. FERC.

Also on November 20, 2025, the FERC issued a Notice of Proposed Rulemaking on the 2026 Five-Year Oil Pipeline Index (“2026 Index NOPR”), proposing to use the Producer Price Index for Finished Goods (PPI-FG) minus 1.42% as the index level beginning July 1, 2026 to June 30, 2031. The 2026 Index NOPR is currently in the midst of the standard notice and comment period.

On December 18, 2025, the Commission issued an Order Denying Petition for Emergency Relief (“Emergency Relief Order Denial”), which denied a petition requesting emergency relief from invoices issued by a liquid pipeline company to recover amounts of indexed rates for the period from March 1, 2022, to September 17, 2024 (Locked-In Period) and explained that, consistent with the Remedial Relief Order, pipelines that charged the maximum rates permitted under the Commission’s now-vacated January 2022 rehearing order during the Locked-In Period may invoice shippers to recover the amounts that would have been chargeable under the December 2020 order.

In January 2026, multiple shippers have filed petitions for review at the D.C. Circuit of the (i) Remedial Relief Order, (ii) Order Terminating Supplemental NOPR, and (iii) Emergency Relief Order Denial. These appeals are pending.

On December 15, 2022, the FERC issued a Proposed Policy Statement on Oil Pipeline Affiliate Committed Service, which addresses whether a contract for committed transportation service complies with the ICA where the only shipper to obtain the committed service is an affiliate of the regulated entity. If adopted, the proposed policy statement would create a rebuttable presumption that affiliate contracts are unduly discriminatory and not just and reasonable in certain circumstances and require a pipeline to produce additional evidentiary support for affiliate contracts rates and terms. This follows a trend of increased scrutiny by FERC on affiliated contracts across all industries regulated by the FERC. The FERC has taken no further action on the proposed policy statement.

In addition to federally regulated body oversight, various states, including Colorado, Kansas, Louisiana, North Dakota and Texas, maintain commissions focused on the rates and practices of common carrier pipelines offering services within their borders. Although the applicable state statutes and regulations vary, they generally require that intrastate pipelines publish tariffs setting forth all rates, rules and regulations applying to intrastate service, and generally require that pipeline rates and practices be just, reasonable and nondiscriminatory.

Shippers may challenge tariff rates, rules and regulations on our pipelines. In most instances, state commissions have not initiated investigations of the rates or practices of pipelines in the absence of shipper complaints. There are no pending challenges or complaints regarding our tariffs or tariff rates.

In addition, as noted above, the rates, terms and conditions for shipments of crude oil or petroleum products on Sunoco’s pipelines could be subject to regulation by the FERC under the ICA and the EPAct of 1992 if the crude oil or petroleum products are transported in interstate or foreign commerce whether by its pipelines or other means of transportation. Since Sunoco does not control the entire transportation path of all crude oil or petroleum products shipped on our pipelines, FERC regulation could be triggered by our customers’ transportation decisions.

Our ammonia pipeline is subject to regulation by the Surface Transportation Board (the “STB”) pursuant to the ICA applicable to such pipelines (which differs from the ICA applicable to interstate liquids pipelines). Under that regulation, the ammonia pipeline’s rates, classifications, rules and practices related to the interstate transportation of anhydrous ammonia must be reasonable and, in providing interstate transportation, the ammonia pipeline may not subject a person, place, port or type of traffic to unreasonable discrimination. Similar to the crude and refined products pipelines, the rates for transportation services on the ammonia pipeline are required to be in a tariff which is posted publicly on Sunoco’s website, however, that tariff is not required to be on file with the STB. The STB does not prescribe an indexing approach similar to the EP Act but rates under the STB must be reasonable and the pipeline may not subject a person, place, port or type of traffic to unreasonable discrimination.

The Petroleum Marketing Practices Act (the “PMPA”) is a federal law that governs the relationship between a refiner and a distributor, as well as between a distributor and branded dealer, pursuant to which the refiner or distributor permits a distributor or dealer to use a trademark in connection with the sale or distribution of motor fuel. Under the PMPA, Sunoco may not terminate or fail to renew a branded distributor contract, unless certain enumerated preconditions or grounds for termination or non-renewal are met and it also complies with the prescribed notice requirements. Additionally, Sunoco is subject to state petroleum franchise laws as well as laws specific to gasoline retailers and dealers, including state laws that regulate its relationships with third parties to whom it leases sites and supplies motor fuels. Sunoco’s operations at the Burnaby Refinery are also subject to reporting obligations under the Fuel Price Transparency Act. Finally, Sunoco is subject to laws regarding fuel standards. For more information, see “Sunoco is subject to federal laws related to the RFS” and “Sunoco is subject to federal, state and local laws and regulations that govern the product quality specifications of refined petroleum products it purchases, stores, transports, and sells to its distribution customers” in “Item 1A. Risk Factors” in this Annual Report on Form 10-K.

Sunoco is subject to the requirements of the Occupational Safety and Health Act (“OSHA”) and comparable state statutes that regulate the protection of the health and safety of workers. In addition, OSHA’s hazard communication standards require that information be maintained about hazardous materials used or produced in operations and that this information be provided to employees, state and local government authorities and citizens. We believe that Sunoco is in substantive compliance with the applicable OSHA requirements.

Sunoco is also subject to the BC Worker’s Compensation Act and Occupational Health and Safety Regulation with respect to the Burnaby Refinery. We believe Sunoco is in substantial compliance with these requirements.

Sunoco’s remaining retail locations are subject to regulation by federal agencies and to licensing and regulations by state and local health, sanitation, safety, fire and other departments relating to the development and operation of convenience stores, including regulations related to zoning and building requirements and the preparation and sale of food.

Sunoco’s operations are also subject to federal and state laws governing such matters as wage rates, overtime, working conditions and citizenship requirements. At the federal level, there are proposals under consideration from time to time to increase minimum wage rates.

As of December 31, 2025, Sunoco employed an aggregate of 8,910 employees, 628 of which are represented by labor unions. We and our subsidiaries believe that our relations with our employees are good.

In order to accomplish our objectives, Sunoco must continue to attract and retain top talent. It seeks to accomplish this by fostering a culture that is guided by its ethics and principles, that respects all people and cultures, and that focuses on health and safety.

Ethics and Principles. We are committed to operating our business in a manner that honors and respects all people and the communities in which we do business. We recognize that people are our most valued resource, and we are committed to hiring and investing in employees who strive for excellence and live by our core values: working safely, corporate stewardship, ethics and integrity, entrepreneurial mindset, supporting our people, excellence and results, and social responsibility. We value our employees for what they bring to our organization by embracing those from all backgrounds, cultures, and experiences. We also believe that the keys to our success have been the cultivation of an atmosphere of belonging and respect within our family of partnerships and sustaining organizations that promote and support all of the communities in which we do business. These are the principles upon which we build and strengthen relationships among our people, our stakeholders, and those within the communities we support.

Respecting All People and All Cultures. We believe strict adherence to our Code of Business Conduct and Ethics is not only right, but is in the best interest of the Partnership, its unitholders, its customers, and the industry in general. The Partnership's policies require that business be conducted in a lawful and ethical manner at all times. Every employee acting on behalf of the Partnership must adhere to these policies. Please refer to “Item 10. Directors, Executive Officers and Corporate Governance” for additional information on our Code of Business Conduct and Ethics.

Commitment to Health and Safety. Sunoco’s goal is operational excellence, which means an injury and incident-free workplace. To achieve this, we strive to hire and maintain a qualified and dedicated workforce and encourage safety and safety accountability throughout our daily operations.

Sunoco’s environmental, health and safety professionals provide environmental and safety training to our field representatives. This group also assists others throughout the organization in identifying continuous training for personnel, including the training that is required by applicable laws, regulations, standards, and permit conditions. Sunoco’s safety standards and expectations are clearly communicated to all employees and contractors with the expectation that each individual has the obligation to make safety the highest priority. Its safety culture promotes an open environment for discovering, resolving, and sharing safety challenges. Sunoco strives to eliminate unwanted safety events through a comprehensive process that promotes leadership, employee involvement, communication, and personal responsibility to comply with standard operating procedures and regulatory requirements, effective risk reduction processes, maintaining clean facilities, contractor safety, and personal wellness.

Below we have provided a summary of our key risk factors, followed by detail of these and other risks that should be reviewed when considering an investment in our securities. The risk factors set forth below are not all the risks we face and other factors that we face in the ordinary course of our business, that are currently considered immaterial or that are currently unknown to us may impact our future operations.

Results of Operations and Financial Condition. Our results of operations and financial condition could be impacted by many risks that are beyond our control, including the following:

•cash distributions are not guaranteed and may fluctuate with our performance and other external factors;

•general economic, financial, and political conditions, including the impact of tariffs;

•the imposition or increase of tariffs on steel or other raw materials, or changes in trade agreements or trade relations;

•changes in the prices of motor fuel;

•demand for motor fuel, including consumer preference for alternative motor fuels or improvements in fuel efficiency;

•demand for and supply of crude oil, refined products, renewable fuels, and anhydrous ammonia;

•seasonal trends;

•dangers inherent in the storage and transportation of motor fuel, crude oil, renewable fuels and anhydrous ammonia;

•operational and business risks associated with our refinery, pipelines and fuel storage terminals;

•tariff and/or contractually determined rates and fees we charge and the revenue we realize for our services;

•domestic and foreign governmental laws, regulations, sanctions, embargoes, and taxes;

•events or developments associated with our branded suppliers;

•extreme weather events that may be more severe or frequent than historically experienced and that may be attributable to changes in climate due to adverse effects of an industrialized economy;

•competition and fragmentation within the wholesale motor fuel distribution industry;

•competition within the convenience store industry, including the impact of new entrants;

•possible increased costs related to land use and facilities and equipment leases;

•possible future litigation;

•potential loss of key members of our senior management team;

•failure to attract and retain qualified employees;

•failure to insure against risks incident to our business;

•terrorist attacks and threatened or actual war;

•cybersecurity attacks, data breaches and other disruptions affecting us, or our service providers;

•disruption of our information systems;

•failure to protect sensitive customer, employee or vendor data, or to comply with applicable regulations relating to data security and privacy;

•failure to obtain trade credit terms to adequately fund our ongoing operations;

•our dependence on cash flow generated by our subsidiaries; and

•potential impairment of goodwill and intangible assets.

Acquisitions and Future Growth. Our business, results of operations, cash flows, financial condition and future growth could be impacted by the following:

•failure to make acquisitions on economically acceptable terms, including as a result of recent increases in cost of capital resulting from Federal Reserve policies and changes in financial institutions’ policies or practices concerning businesses linked to fossil fuels, or to successfully integrate acquired assets;

•any acceleration of the domestic and/or international transition to a low carbon economy as a result policy changes or otherwise; and

•failure to manage risks associated with acquisitions.

Regulatory Matters. Our business, results of operations, cash flows, financial condition and future growth could be impacted by the following:

•significant expenditures or liabilities resulting from federal, state, provincial and local laws, regulations and bylaws pertaining to environmental protection, operational safety, pipeline safety or the Renewable Fuel Standard (“RFS”) or Canada’s federal and provincial renewable fuel blending and fuel emissions-intensity legislation, including the Clean Fuel Regulations and Low Carbon Fuels Act;

•changes in demand for motor fuel, crude oil, renewable fuels or other petroleum products resulting from federal, state and/or provincial regulations that may discourage the use or storage of petroleum products;

•significant expenditures or penalties associated with federal, state and local laws and regulations that govern the product quality specifications of refined petroleum products we purchase and sell;

•changes in federal, state or local laws and regulations pertaining to the facilities and operations of third parties that supply fuel to or transport for our storage terminals;

•laws, regulations and policies governing the rates, terms and conditions of our services;

•failure to recover the full amount of increases in the costs of our pipeline or refinery operations;

•costs and liabilities resulting from performance of pipeline integrity programs and related repairs;

•new or more stringent pipeline safety controls or enforcement of legal requirements;

•impacts to our business as a result of the energy transition and legislative, regulatory and financial risks relating to climate change; and

•regulatory provisions of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”) and the rules adopted thereunder.

Indebtedness. Our business, results of operations, cash flows and financial condition, as well as our ability to make distributions and the market value of our common units, could be impacted by the following:

•our debt levels;

•increases in interest rates, including the impact to the relative value of our distributions to yield-oriented investors; and

•restrictions and financial covenants associated with our debt agreements.

Our General Partner. Our stakeholders could be impacted by risks related to our General Partner, including:

•our General Partner’s and its affiliates’ conflicts of interest with us and contractually-limited duties;

•our General Partner’s limited liability regarding our obligations;

•our General Partner’s ability to approve the issuance of partnership securities and specify the terms of such securities; and

•cost reimbursements due to our General Partner and its affiliates for services provided to us or on our behalf.

Our Partnership Agreement. Our stakeholders could be impacted by risks related to our Partnership Agreement, including:

•the requirement that we distribute all of our available cash;

•the limited liability and duties of our General Partner and restrictions on the remedies available for actions taken;

•the potential need to issue common units in connection with a resetting of the target distribution levels related to our IDRs;

•our common unitholders’ limited voting rights and lack of rights to elect our General Partner or its directors;

•limitations on our common unitholders’ ability to remove our General Partner without its and SunocoCorp’s consent;

•potential transfer of the General Partner interest or the control of our General Partner to a third party;

•the potential requirement for unitholders to sell their common units at an undesirable time or price;

•our ability to issue additional units without unitholder approval;

•potential sales of substantial amounts of our common units in the public or private markets;

•restrictions on the voting rights of unitholders owning 20% or more of our outstanding common units;

•the dependence of our distributions primarily on our cash flow and not solely on profitability;

•our unitholders’ potential liability to repay distributions; and

•the lack of certain corporate governance requirements by the NYSE for a publicly traded partnership like us.

Our unitholders could be impacted by tax risks, including:

•our potential to be taxed as a corporation or otherwise become subject to a material amount of entity-level taxation;

•the potential for our unitholders to be required to pay taxes on their share of our income even if they do not receive any cash distributions from us; and

•unique tax issues faced by tax-exempt entities from owning common units.

Cash distributions to unitholders is principally dependent upon cash generated from operations. The amount of cash generated from operations will fluctuate from quarter to quarter based on a number of factors, some of which are beyond our control, which include, among others:

•demand for motor fuel in the markets we serve, including the result of secular trends towards increased usage of electric vehicles and/or seasonal fluctuations in demand for motor fuel;

•competition from other companies that sell motor fuel products or have convenience stores in the market areas in which we or our commission agents or dealers operate;

•the amount of crude oil and refined petroleum products transported through our subsidiaries’ pipelines;

•the level of competition from other midstream, transportation and storage and retail marketing companies, refinery operators and other energy providers;

•regulatory action affecting the supply of or demand for motor fuel, crude oil, refined petroleum products, our operations, our existing contracts or our operating costs;

•prevailing economic conditions;

•the price of crude oil, feedstock at our refining operations and refined petroleum products;

•rising interest rates and slowing economic growth;

•the accelerated transition to a low carbon economy;

•geopolitical events such as the conflicts in Ukraine and Venezuela and political instability in the Middle East;

•supply, extreme weather and logistics disruptions; and

•volatility of margins for motor fuel.

In addition, the actual amount of cash we will have available for distribution will depend on other factors such as:

•the level and timing of capital expenditures we make;

•the cost of acquisitions, if any;

•our debt service requirements, distributions on our Series A Preferred Units and other liabilities;

•fluctuations in our general working capital needs;

•reimbursements made to our General Partner and its affiliates for all direct and indirect expenses they incur on our behalf pursuant to the Partnership Agreement;

•our ability to borrow funds at favorable interest rates and access capital markets;

•restrictions contained in debt agreements to which we are a party;

•the level of costs related to litigation and regulatory compliance matters; and

•the amount of cash reserves established by our General Partner in its discretion for the proper conduct of our business.

If our cash flow from operations is insufficient to satisfy our needs, we cannot be certain that we will be able to obtain bank financing or access the capital markets. Further, incurring additional debt may significantly increase our interest expense and financial leverage and issuing additional limited partner interests may result in significant unitholder dilution and would increase the aggregate amount of cash required to maintain the cash distribution rate which could materially decrease our ability to pay distributions. If additional capital resources are unavailable to us, our business, financial condition, results of operations and ability to make distributions could be materially adversely affected.

We own and operate pipelines and terminals and, like others in our industry, we use significant amounts of steel in our projects and rely on our ability to obtain that steel in an affordable way to maintain our operating margins. Any imposition of or increase in tariffs on steel and/or other raw materials could increase our growth project costs, which may impact the profitability of new projects and our maintenance capital expenditures, potentially in excess of budgeted amounts.

On March 12, 2025 the U.S. government imposed a 25% tariff on steel imports, which was increased to 50% on June 4, 2025, and on April 2, 2025, the U.S government announced a 10% tariff on product imports from almost all countries and individualized higher tariffs on certain other countries. Several tariff announcements have been followed by announcements of limited exemptions and temporary pauses. These actions have caused uncertainty and volatility in financial markets and may result in retaliatory measures on U.S. goods. The ultimate impact of these tariffs is unknown at this time. Additionally, ongoing changes in U.S. and foreign government trade policies, including potential modifications to existing trade agreements and further restrictions on free trade, could introduce additional uncertainty. Any escalation of trade tensions, additional tariffs, retaliatory measures by foreign governments or shifts in U.S. or international trade policies could adversely impact our supply chain and increase costs, particularly on our expansion projects. A trade war or other significant changes in trade regulations could have an adverse effect on our business and results of operations.

The U.S. inflation rate remained relatively stable through 2024 and 2025, after an extended period of rising rates, which began in 2022. A sustained increase in inflation may continue to increase our costs for labor, services and materials, which, in turn, could cause our operating costs and capital expenditures to increase. Further, our customers face inflationary pressures and resulting impacts, such as the tight labor market and supply chain disruptions. The rate and scope of these various inflationary factors may increase our operating costs and capital expenditures materially, which may not be readily recoverable in the prices of our services and may have an adverse effect on our costs, operating margins, results of operations and financial condition. Additionally, the Federal Reserve and other central banks have implemented policies in an effort to curb inflationary pressure on the costs of goods and services across the U.S., including the significant increases in prevailing interest rates that occurred during 2022 and 2023 as a result of the 525 aggregate basis point increase in the federal funds rate, and the associated macroeconomic impact on slowdown in economic growth could negatively impact our business. While the Federal Reserve reduced benchmark interest rates by 100 basis points in late 2024, and 75 basis points in late 2025, the prospect of additional interest rate cuts remains uncertain and the continuation of rates at the current level could have the effects of raising the cost of capital and depressing economic growth, either of which—or the combination thereof—could hurt the financial and operating results of our business.

General economic, financial, and political conditions may have a material adverse effect on our results of operations and financial condition. For example, on March 12, 2025, the U.S. government imposed a 25% tariff on steel imports, which was increased to 50% on June 4, 2025, and on April 2, 2025, the U.S. government announced a 10% tariff on product imports from almost all foreign countries and individualized higher tariffs on certain other countries. Several tariff announcements have been followed by announcements of limited exemptions and temporary pauses. These actions have caused uncertainty and volatility in financial markets and may result in retaliatory measures on U.S. goods. It is possible that our operations may be affected by the resulting volatility in pricing and demand. Similarly, declines in consumer confidence and/or consumer spending, changes in unemployment, significant inflationary or deflationary changes or disruptive regulatory or geopolitical events could contribute to increased volatility and diminished expectations for the economy and our markets, including the market for our goods and services, and lead to demand or cost pressures that could negatively and adversely impact our business. These conditions could affect each of our business segments.

Examples of such conditions could include:

•a general or prolonged decline in, or shocks to, regional or broader macro-economies;

•regulatory changes that could impact the markets in which we operate, such as immigration, tariffs or trade reform laws or regulations prohibiting or limiting hydraulic fracturing, which could reduce demand for or supply of our goods and services or lead to pricing, currency, or other pressures; and

•deflationary economic pressures, which could hinder our ability to operate profitably in view of the challenges inherent in making corresponding deflationary adjustments to our cost structure.

In addition, volatility in the capital markets resulting from tariff announcements could also limit our ability to access capital on favorable terms, which could have an adverse impact on our ability to finance new projects and/or acquisitions.

The nature of these types of risks, which are often unpredictable, makes them difficult to plan for, or otherwise mitigate, and they are generally uninsurable—which compounds their potential impact on our business.

Our operating results are influenced by prices for motor fuel, crude oil, refinery feedstock and refined petroleum products. General economic and political conditions, acts of war or terrorism and instability in oil producing regions, particularly in the Middle East, South America, Russia and Africa could significantly impact crude oil supplies, refinery feedstock and refined product petroleum costs. Significant increases or high volatility in petroleum costs could impact consumer demand for motor fuel and convenience merchandise. Such volatility makes it difficult to predict the impact that future petroleum costs fluctuations may have on our operating results and financial condition. We are subject to dealer tank wagon pricing structures at certain locations further contributing to margin volatility. A significant change in any of these factors could materially impact both wholesale and retail fuel margins, the volume of motor fuel we distribute or sell, and overall customer traffic, each of which in turn could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders.

Significant increases in wholesale motor fuel prices could impact us as some of our customers may have insufficient credit to purchase motor fuel from us at their historical volumes. Higher prices for motor fuel may also reduce our access to trade credit support or cause it to become more expensive.

Sales of refined motor fuels accounted for approximately 92% of Sunoco’s total revenues and 42% of Sunoco’s profit for the year ended December 31, 2025. A significant decrease in demand for motor fuel in the areas we serve could significantly reduce our revenues and our ability to make distributions to our unitholders. Our revenues are dependent on various trends, such as trends in commercial truck traffic, travel and tourism in our areas of operation, and these trends can change. Regulatory action, including government imposed fuel efficiency standards, may also affect demand for motor fuel. Because certain of our operating costs and expenses are fixed and do not vary with the volumes of motor fuel we distribute, our costs and expenses might not decrease ratably or at all should we experience such a reduction. As a result, we may experience declines in our profit margin if our fuel distribution volumes decrease.

Any technological advancements, regulatory changes or changes in consumer preferences causing a significant shift toward alternative motor fuels could reduce demand for the conventional petroleum based motor fuels we currently sell. Additionally, a shift toward electric, hydrogen, natural gas or other alternative-power vehicles could fundamentally change our customers’ shopping habits or lead to new forms of fueling destinations or new competitive pressures.

New technologies have been developed and from time to time governmental mandates have been implemented to improve fuel efficiency, which may ultimately result in decreased demand for petroleum-based fuel. For example, the EPA previously finalized new criteria pollutant and GHG emissions standards for light and medium-duty vehicles, including passenger cars, vans, pickups, sedans and sport utility vehicles for model years 2027 through 2032 and beyond. However, following the change in U.S. presidential administrations, the EPA in February 2026 finalized rules rescinding these standards and the GHG “Endangerment Finding,” which underpins the majority of EPA’s GHG regulations and GHG emissions standards for new motor vehicles and engines. Additionally, the Trump Administration has taken steps to reduce or eliminate incentives for zero-emission vehicles, and OBBBA, passed by Congress in July 2025, eliminates electric vehicle credits previously available for new and used electric vehicles and commercial fleets. However, we cannot predict whether or not these regulatory repeals will ultimately be successful or if future administrations may seek to restore incentives and further promote or mandate the adoption of electric vehicles. Any of these or similar actions could result in fewer visits to our convenience stores or independently operated commission agents and dealer locations, a reduction in demand from our wholesale customers, decreases in both fuel and merchandise sales revenue, or reduced profit margins, any of which could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders.

Similarly, any sustained decrease in demand for crude oil, refined products, refinery feedstock, renewable fuels or anhydrous ammonia in the markets our pipelines and terminals serve that extends beyond the expiration of our existing throughput and deficiency agreements could result in a significant reduction in throughputs in our pipelines and storage in our terminals, which would reduce our cash flows and impair our ability to make distributions to our unitholders. Factors that tend to decrease market demand include:

•a recession, high interest rates, inflation or other adverse economic conditions that result in lower spending by consumers on gasoline, diesel and travel;

•events that negatively impact global economic activity, travel and demand generally;

•higher fuel taxes or other governmental or regulatory actions that increase, directly or indirectly, the cost of gasoline;

•an increase in aggregate automotive engine fuel economy;

•new government and regulatory actions or court decisions requiring the phase out or reduced use of gasoline-fueled vehicles;

•the increased use of and public demand for use of alternative fuel sources or electric vehicles;

•an increase in the market price of crude oil that increases refined product prices, which may reduce demand for refined products and increase demand for alternative products; and

•adverse weather events resulting in decreased corn acres planted, which may reduce demand for anhydrous ammonia.

We rely in part on consumer travel and spending patterns, and may experience more demand for gasoline in the late spring and summer months than during the fall and winter. Travel, recreation and construction are typically higher in these months in the geographic areas in which we or our commission agents and dealers operate, increasing the demand for motor fuel that we sell and distribute. Therefore, our revenues and cash flows are typically higher in the second and third quarters of our fiscal year. As a result, our results from operations may vary widely from period to period, affecting our cash flow.

Our operations are subject to significant hazards and risks inherent in transporting and storing motor fuel crude oil, refinery feedstock, refined petroleum products, and anhydrous ammonia. These hazards and risks include, but are not limited to, traffic accidents, fires, explosions, spills, discharges, and other releases, any of which could result in distribution difficulties and disruptions, environmental pollution, governmentally-imposed fines or clean-up obligations, personal injury or wrongful death claims, and other damage to our properties and the properties of others. Any such event not covered by our insurance could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders. Additionally, our pipelines, terminals, storage assets and refinery operations are generally long-lived assets, and some have been in service for many years. The age and condition of our assets could result in increased maintenance or repair expenditures in the future. If any of our facilities, or those of our customers or suppliers, suffer significant damage or are forced to shut down for a significant period of time, it may have a material adverse effect on our results of operations and our financial condition as a whole.

Our pipelines, fuel storage terminals and refinery are subject to operational and business risks, the most significant of which include the following:

•our inability to renew a ground lease for certain of our pipelines or fuel storage terminals or at the Burnaby Refinery on similar terms or at all;

•our dependence on third parties to supply our fuel storage terminals and refinery feedstock;

•outages on our pipelines or at our fuel storage terminals or the Burnaby Refinery or interrupted operations due to weather-related or other natural causes;

•the threat that the nation’s terminal infrastructure and the Burnaby Refinery may be a future target of terrorist organizations;

•the volatility in the prices of the products transported on our pipelines or stored at our fuel storage terminals or our refinery feedstock and the resulting fluctuations in demand for our storage services;

•the effects of a sustained recession or other adverse economic conditions;

•the possibility of federal and/or state regulations that may discourage our customers from transporting or storing gasoline, diesel fuel, ethanol and jet fuel at our fuel storage terminals or reduce the demand by consumers for petroleum products, and possibility of federal, state or provincial regulation in Canada, particularly with respect to the Burnaby Refinery;

•competition from other pipelines and fuel storage terminals that are able to provide our customers with comparable transportation service or storage capacity at lower prices or from other refineries servicing the Lower Mainland in Canada; and

•climate change legislation or regulations that restrict emissions of GHGs could result in increased operating and capital costs and reduced demand for our transportation and storage services.

The occurrence of any of the above situations, among others, may affect operations at our fuel storage terminals or the Burnaby Refinery and may adversely affect our business, financial condition, results of operations, cash flows and ability to make distributions to our unitholders.

We believe that the success of our operations is dependent, in part, on the continuing favorable reputation, market value, and name recognition associated with the motor fuel brands sold at our convenience stores and at stores operated by our independent, branded dealers and commission agents. Erosion of the value of those brands could have an adverse impact on the volumes of motor fuel we distribute, which in turn could have a material adverse effect on our business, financial condition, results of operations and ability to make distributions to our unitholders.

A substantial portion of our wholesale distribution, refinery operations and retail networks are located in regions susceptible to severe storms, including hurricanes. A severe storm could damage our facilities or communications networks, or those of our suppliers or our customers, as well as interfere with our ability to distribute motor fuel to our customers or our customers’ ability to operate their locations. If warmer temperatures, or other climate changes, lead to changes in extreme weather events, including increased frequency, duration or severity, these weather-related risks could become more pronounced. Any weather-related catastrophe or disruption could have a material adverse effect on our business, financial condition and results of operations, potentially causing losses beyond the limits of the insurance we currently carry.

The market for distribution of wholesale motor fuel is highly competitive and fragmented, which results in narrow margins. We have numerous competitors, some of which may have significantly greater resources and name recognition than us. We rely on our ability to provide value-added, reliable services and to control our operating costs in order to maintain our margins and competitive position. If we fail to maintain the quality of our services, certain of our customers could choose alternative distribution sources and our margins could decrease. While major integrated oil companies have generally continued a strategy of limited direct retail operation and the corresponding wholesale distribution to such sites, such major oil companies could shift from this strategy and decide to distribute their own products in direct competition with us, or large customers could attempt to buy directly from the major oil companies. The occurrence of any of these events could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders.

We face competition in all aspects of our business and can give no assurances that we will be able to compete effectively against our competitors. Our competitors include major energy and chemical companies, some of which have greater financial resources, more pipelines or storage terminals, greater capacity pipelines or storage terminals and greater access to supply than we do. Certain of our competitors also have advantages in competing for acquisitions or other new business opportunities because of their financial resources and synergies in operations. As a consequence of increased competition in the industry or market conditions, some customers are and others may be in the future reluctant to renew or enter into long-term contracts or contracts that provide for minimum throughput amounts. Our inability to renew or replace a significant portion of our current contracts as they expire, to enter into contracts for newly acquired, constructed or expanded assets and to respond appropriately to changing market conditions would have a negative effect on our revenue, cash flows and ability to make quarterly distributions to our unitholders.

The geographic areas in which we operate and supply independently operated commission agent and dealer locations are highly competitive and marked by ease of entry and constant change in the number and type of retailers offering products and services of the type we and our independently operated commission agents and dealers sell in our stores. Our convenience stores and the commission agents and dealer locations we supply compete with other convenience store chains, independently owned convenience stores, motor fuel stations, supermarkets, drugstores, discount stores, dollar stores, club stores, mass merchants and local restaurants. Over the past two decades, several non-traditional retailers, such as supermarkets, hypermarkets, club stores and mass merchants, have impacted the convenience store industry, particularly in the geographic areas in which we operate and supply, by entering the motor fuel retail business. These non-traditional motor fuel retailers have captured a significant share of the motor fuels market, and we expect their market share will continue to grow.

In some of our markets, our competitors have been in existence longer and have greater financial, marketing, and other resources than we or our independently operated commission agents and dealers do. As a result, our competitors may be able to respond better to changes in the economy and new opportunities within the industry. To remain competitive, we must constantly analyze consumer preferences and competitors’ offerings and prices to ensure that we offer a selection of convenience products and services at competitive prices to meet consumer demand.

We must also maintain and upgrade our customer service levels, facilities and locations to remain competitive and attract customer traffic to our stores. We may not be able to compete successfully against current and future competitors, and competitive pressures faced by us could have a material adverse effect on our business, results of operations and cash available for distribution to our unitholders.

We do not own all of the land on which our retail service stations are located. We have rental agreements for approximately 61% of the Partnership, commission agent or dealer operated retail service stations where we currently control the real estate. We also have rental agreements for certain logistics facilities. As such, we are subject to the possibility of increased costs under rental agreements with landowners, primarily through rental increases and renewals of expired agreements. We are also subject to the risk that such agreements may not be renewed. Additionally, certain facilities and equipment (or parts thereof) used by us are leased from third parties for specific periods. Our inability to renew leases or otherwise maintain the right to utilize such facilities and equipment on acceptable terms, or the increased costs to maintain such rights, could have a material adverse effect on our financial condition, results of operations and cash flows.

Like other pipeline and storage logistics services providers, certain of our pipelines, storage terminals and other facilities are located on land owned by third parties and governmental agencies that we have obtained the right to utilize for these purposes through contract (rather than through outright purchase). Many of our rights-of-way or other property rights are perpetual in duration, but others are for a specific period of time. In addition, some of our facilities are located on leased premises. A potential loss of property rights through our inability to renew right-of-way contracts or leases or otherwise retain property rights on acceptable terms or the increased costs to renew such rights could adversely affect our financial condition, results of operations and cash flows available for distribution to our unitholders.

Following the Parkland Acquisition, we own and operate the Burnaby Refinery, which produces and supplies fuel within the Lower Mainland in BC. The Burnaby Refinery has two crude units, including a 25,000 barrel per day crude unit and a 30,000 barrel per day splitter, that are designed to process Canadian light and medium sweet crudes.

Key operational risks at the Burnaby Refinery include: supply disruptions of crude oil and bio-feedstocks, product offtake contract issues or interruptions, operational availability, labor and material shortages, compliance with regulatory requirements, including GHG emission and low-carbon fuel intensity production requirements, and local community opposition. Major accidents could cause significant damage and may result in operational interruptions, loss of licenses, fines, reputational damage, injuries or fatalities. Large amounts of power, heat by way of natural gas and large volumes of water are used to refine crude oil, the supply of which is not in our control, and even a temporary interruption of power, natural gas or water could adversely affect continuous operations. Unanticipated costs and delays during maintenance may negatively impact our operational results. Scheduled and unscheduled maintenance and repairs at the Burnaby Refinery may reduce revenue and increase our operating costs, impacting our financial and operational results.

Additionally, we contract with third parties for the supply of crude oil and other feedstock to the Burnaby Refinery. Crude oil sourced by the Burnaby Refinery is delivered from Alberta by the TMPL. Interruptions or apportionment on the TMPL’s pipeline system can result in us temporarily ceasing or decreasing processing operations at the Burnaby Refinery and may materially affect our business, financial condition and results of operations. The Burnaby Refinery could see variability in its crude deliveries as the capacity on the pipeline fluctuates from time to time, which can impact committed as well as uncommitted linespace, based on operating conditions and planned and/or unplanned maintenance. In addition to the TMPL line capacity, extreme or unexpected weather events may affect the operation of the TMPL. Significant operational delays, changes in tariffs and unanticipated costs could adversely impact the refinery.

Refining gross margins are primarily driven by commodity prices and are a function of the difference between the costs of feedstock (primarily crude oil) and the market prices for the marketing of finished products (such as gasoline, diesel, jet fuel, lubricants, fuel oil and fuel and lubricant additives). Prices for commodities are determined by global and regional marketplaces and are influenced by many factors, including supply and demand balances, inventory levels, industry refinery operations, import and export balances, currency fluctuations, seasonal demand, political climate, disruptions at the refinery resulting from unplanned outages due to severe weather, fires or other operational events and plant capacity utilization. Sustained low refining margins may have an adverse effect on our revenue, profitability and ability to service debt and pay distributions.

The Burnaby Refinery faces hazards related to hydrocarbon supply and processing, including, but not limited to, fires, explosions, railcar or marine vessel incidents, oil spills, migration of harmful substances, corrosion, vandalism, terrorism and other accidents that may occur at or during transport to or from sites. The consequences of an accidental spill or release at or near any marine terminal used in connection with our operations could be significant, given the complexities of addressing releases occurring in marine environments or along populated coastlines.

Such incidents could result in significant disruptions to offshore shipping activities and impede our ability to operate in any affected areas.

These hazards may interrupt operations, cause injuries or fatalities, cause loss of or damage to equipment, property, information technology or control systems and data, or result in environmental damage that may include pollution of water, land or air. The consequences could expose us to business interruptions, potential liabilities, modifications to or revocation of existing regulatory approvals, administrative, civil and criminal fines and other environmental damages, or reputational impacts.

Entry into a new line of business in a new jurisdiction may also subject us to new laws and regulations with which we are not familiar and may lead to increased litigation and regulatory risk. In addition, there is some risk as it relates to indigenous groups asserting aboriginal or treaty rights in various regions of western Canada, particularly in BC. Such claims may affect many businesses operating in western Canada as the claims are litigated or settled with the federal and provincial governments. The federal and provincial governments have a duty to consult with indigenous people on actions and decisions that may affect their aboriginal or treaty rights and, in certain cases, accommodate their concerns. The government’s duty to consult may be triggered if we apply to obtain or renew significant permits, leases, licenses or other approvals for our operations in the traditional territories of indigenous groups. Our management team has not engaged in the refinery operations business in recent years and continues to familiarize itself with the Canadian regulatory landscape, which imposes more stringent requirements than those in the other jurisdictions in which we operate. If we are unable to successfully implement the acquired business of Parkland, in particular, the Burnaby Refinery, our revenue and profitability may not grow as we expect, our competitiveness may be materially and adversely affected and our reputation and business may be harmed.

We are exposed to various litigation claims in the ordinary course of our wholesale business operations, including, but not limited to, dealer litigation and industry-wide or class-action claims arising from the products we carry, the equipment or processes we use or employ or industry-specific business practices. If we were to become subject to any such claims, our defense costs and any resulting awards or settlement amounts may not be fully covered by our insurance policies. Additionally, our retail operations are characterized by a high volume of customer traffic and by transactions involving a wide array of product selections. These operations carry a higher exposure to consumer litigation risk when compared to the operations of companies operating in many other industries. Consequently, we are frequently party to individual personal injury, bad fuel, products liability and other legal actions in the ordinary course of our business. While we believe these actions are generally routine in nature, incidental to the operation of our business and immaterial in scope, if our assessment of any action or actions should prove inaccurate our financial condition and results of operations could be adversely affected. Additionally, several fossil fuel companies have been the targets of litigation alleging, among other things, that such companies created public nuisances by producing and marketing fuels that contributed to climate change or that the companies have been aware of the adverse effects of climate change but failed to adequately disclose those impacts. While we cannot predict the likelihood of success of such suits, to the extent the plaintiffs prevail, we could face significant costs or decreased demand for our services, which could adversely affect our financial condition and results of operations.

We are dependent on the expertise and continued efforts of our General Partner’s senior management team. If, for any reason, our senior executives do not continue to be active, our business, financial condition, or results of operations could be adversely affected. We do not maintain key man life insurance for our senior executives or other key employees.

Our continued success depends on our ability to attract and retain qualified personnel in all areas of our business. We compete with other businesses in our market with respect to attracting and retaining qualified employees. A tight labor market, increased overtime and a higher full-time employee ratio may cause labor costs to increase. A shortage of qualified employees may require us to enhance wage and benefits packages in order to compete effectively in the hiring and retention of such employees or to hire more expensive temporary employees. No assurance can be given that our labor costs will not increase, or that such increases can be recovered through increased prices charged to customers. We are especially vulnerable to labor shortages in oil and gas drilling areas when energy prices drive higher exploration and production activity.

We are not fully insured against all risks incident to our business. We may be unable to obtain or maintain insurance with the coverage that we desire at reasonable rates. As a result of market conditions, the premiums and deductibles for certain of our insurance policies have increased and could continue to do so. Certain insurance coverage could become unavailable or available only for reduced amounts of coverage.

If we were to incur a significant liability for which we were not fully insured, it could have a material adverse effect on our business, financial condition, results of operations and ability to make distributions to our unitholders.

Our business is affected by general economic conditions and fluctuations in consumer confidence and spending, which can decline as a result of numerous factors outside of our control. Terrorist attacks or threats, whether within the United States or abroad, rumors or threats of war, actual conflicts involving the United States, its allies or other countries or regions where we operate, or military or trade disruptions impacting our suppliers or our customers may adversely impact our operations by increasing our operating costs, reducing customer demand, disrupting supply chains, or limiting our ability to operate certain locations or serve certain markets. Specifically, strategic targets such as energy related assets (which could include refineries that produce the motor fuel we purchase, ports in which crude oil is delivered or attacks to the electrical grid) may be at greater risk of future terrorist attacks than other targets in North America, the Greater Caribbean and Europe. These occurrences could have an adverse impact on energy prices, including prices for motor fuels, and an adverse impact on our operations. Any or a combination of these occurrences could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders and could increase volatility in our financial performance and results from period to period.

The security and integrity of our information technology (“IT”) infrastructure and physical assets is critical to our business and our ability to perform day-to-day operations and deliver services. In addition, in the ordinary course of our business, we collect, process, transmit and store sensitive data, including intellectual property, our proprietary business information and that of our customers, suppliers and business partners, as well as personally identifiable information, in our data centers and on our networks. We also engage third parties, such as service providers and vendors, who provide a broad array of software, technologies, tools, and other products, services and functions (e.g., human resources, finance, data transmission, communications, risk, compliance, among others) that enable us to conduct, monitor and/or protect our business, operations, systems and data assets.

Our IT and IT infrastructure, physical assets and data, may be vulnerable to unauthorized access, computer viruses, malicious attacks and other events (e.g., distributed denial of service attacks or ransomware attacks) that are beyond our control. These events can result from malfeasance by external parties, such as hackers, or due to human error by our or our service providers’ employees and contractors (e.g., due to social engineering or phishing attacks). In addition, our providers’ work-from-home arrangements may present additional operational and cybersecurity risks to our IT infrastructure and physical assets.

We and certain of our service providers have, from time to time, been subject to cybersecurity attacks and other security incidents. The frequency and magnitude of cybersecurity attacks is expected to increase and attackers are becoming more sophisticated. We may be unable to anticipate, detect or prevent future attacks, particularly as the methodologies used by attackers change frequently or are not recognized until launched, and we may be unable to investigate or remediate incidents because attackers are increasingly using techniques and tools designed to circumvent controls, to avoid detection, and to remove or obfuscate forensic evidence.

Moreover, our increasingly broad global operating footprint may increase our exposure to cybersecurity risks, as a larger and more geographically dispersed workforce requires broader access to our information systems and intranet, which may increase the likelihood of unauthorized access, data breaches or other cyber incidents. Breaches of our IT infrastructure or physical assets, or other disruptions, could result in damage to our assets, safety incidents, damage to the environment, potential liability or the loss of contracts, and have a material adverse effect on our operations, financial position and results of operations. A successful cybersecurity attack or other security incident could compromise our networks and the information stored there could be accessed, publicly disclosed, lost or stolen. Any such access, disclosure or loss could result in legal claims or proceedings, regulatory investigations and enforcement, penalties and fines, increased costs for system remediation and compliance requirements, disruption of our operations, damage to our reputation, loss of confidence in our products and services, any or all of which could have a material adverse effect on our business and results. We may be required to invest significant additional resources to comply with evolving cybersecurity regulations and to modify and enhance our information security and controls, and to investigate and remediate any security vulnerabilities. Any losses, costs or liabilities may not be covered by, or may exceed the coverage limits of, any or all of our applicable insurance policies. See “Item 1C. Cybersecurity” for additional information on our cybersecurity risk management, strategy and governance.

We depend on our information systems to manage numerous aspects of our business transactions and provide analytical information to management. Our information systems are an essential component of our business and growth strategies, and a serious disruption to our information systems could significantly limit our ability to manage and operate our business efficiently. These systems are vulnerable to, among other things, damage and interruption from power loss or natural disasters, computer system and network failures, loss of telecommunications services, physical and electronic loss of data, security breaches and computer viruses, which could result in a loss of sensitive business information, systems interruption or the disruption of our business operations.

To protect against unauthorized access or attacks, we have implemented infrastructure protection technologies and disaster recovery plans, but there can be no assurance that a technology systems breach or systems failure will not have a material adverse effect on our financial condition or results of operations. See “Item 1C. Cybersecurity” for additional information on our cybersecurity risk management, strategy and governance.

A significant portion of our revenues and cash flows are generated from our customers’ payments of fees under throughput contracts and storage agreements. Failure to renew existing contracts or enter into new contracts on acceptable terms or a material reduction in utilization under existing contracts could result from many factors, including:

•sustained low crude oil prices;

•a material decrease in the supply or price of crude oil;

•a material decrease in demand for refined products, renewable fuels or anhydrous ammonia in the markets served by our pipelines and terminals;

•political, social or economic instability in the United States, Canada or another country that has a detrimental impact on our customers and our ability to conduct our operations;

•competition for customers from companies with comparable assets and capabilities;

•scheduled turnarounds or unscheduled maintenance at refineries or production facilities of customers we serve;

•operational problems or catastrophic events affecting our assets or the customers we serve;

•environmental or regulatory proceedings or other litigation that compel the cessation of all or a portion of the operations of our assets or those of the customers we serve;

•increasingly stringent environmental, health, safety and security regulations;

•a decision by our current customers to redirect products transported in our pipelines or stored in our terminals to markets not served by our pipelines or terminals, or to transport or store crude oil, refined products or anhydrous ammonia by means other than our pipelines or storage terminals; and

•a decision by our current customers to shut down, limit operations of or sell one or more of the refineries/production facilities we serve to a purchaser that elects not to use our pipelines or terminals.

In the normal course of our business as a motor fuel, food service and merchandise retailer, we obtain large amounts of personal data, including credit and debit card information from our customers. In recent years several retailers have experienced data breaches resulting in exposure of sensitive customer data, including payment card information. While we have invested significant amounts in the protection of our information systems and maintain what we believe are adequate security controls over personally identifiable customer, employee and vendor data provided to us, a breakdown or a breach in our systems that results in the unauthorized release of personally identifiable customer or other sensitive data could nonetheless occur and have a material adverse effect on our reputation, operating results and financial condition. Such a breakdown or breach could also materially increase the costs we incur to protect against such risks. Also, a material failure on our part to comply with regulations relating to our obligation to protect such sensitive data or to the privacy rights of our customers, employees and others could subject us to fines or other regulatory sanctions and potentially to lawsuits.

Cybersecurity attacks are rapidly evolving and becoming increasingly sophisticated, and recent developments in the space of artificial intelligence increase the cybersecurity attack surface. A successful cybersecurity attack resulting in the loss of sensitive customer, employee or vendor data could adversely affect our reputation, results of operations, financial condition and liquidity, and could result in litigation against us or the imposition of penalties. Moreover, a security breach could require that we expend significant additional resources to upgrade further the security measures that we employ to guard against cybersecurity attacks. See “Item 1C. Cybersecurity” for additional information on our cybersecurity risk management, strategy and governance.

Our business is impacted by the availability of trade credit to fund fuel purchases. An actual or perceived downgrade in our liquidity or operations (including any credit rating downgrade by a rating agency) could cause our suppliers to seek credit support in the form of additional collateral, limit the extension of trade credit, or otherwise materially modify their payment terms.

Any material changes in our payment terms, including early payment discounts, or availability of trade credit provided by our principal suppliers could impact our liquidity, results of operations and cash available for distribution to our unitholders.

Power costs constitute a significant portion of our operating expenses. We use mainly electric power at our pipeline pump stations and terminals, and such electric power is furnished by various utility companies. Requirements for utilities to use less carbon intensive power or to add pollution control devices also could cause our power costs to increase; our cash flows may be adversely affected, which could adversely affect our ability to make distributions to our unitholders.

We are a holding company with no material assets other than the equity interests in our subsidiaries. Our subsidiaries conduct all of our operations and own all of our assets. These subsidiaries are distinct legal entities and, under certain circumstances, legal and contractual restrictions may limit our ability to obtain cash from our subsidiaries and our subsidiaries may not be able to, or be permitted to, make distributions to us. In the event that we do not receive distributions from our subsidiaries, we may be unable to meet our financial obligations or make distributions to our unitholders.

As of December 31, 2025, our consolidated balance sheet reflected $3.03 billion of goodwill and $2.41 billion of intangible assets. Goodwill is recorded when the purchase price of a business exceeds the fair value of the tangible and separately measurable intangible net assets. GAAP require us to test goodwill and indefinite-lived intangible assets for impairment on an annual basis or when events or circumstances occur, indicating that goodwill or indefinite-lived intangible assets might be impaired. Long-lived assets such as intangible assets with finite useful lives are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. If we determine that any of our goodwill or intangible assets were impaired, we would be required to take an immediate charge to earnings. Impairment charges are allowed to be removed from our debt covenant calculations. See Note 9 to our consolidated financial statements included in “Item 8. Financial Statements and Supplementary Data.”

A portion of our strategy to grow our business is dependent on our ability to make acquisitions that result in an increase in cash flow. The acquisition component of our growth strategy is based, in part, on our expectation of ongoing strategic divestitures of wholesale fuel distribution assets by industry participants. If we are unable to make acquisitions from third parties for any reason, including if we are unable to identify attractive acquisition candidates or negotiate acceptable purchase contracts, we are unable to obtain financing for these acquisitions on economically acceptable terms, we are outbid by competitors, or we or the seller are unable to obtain all necessary consents, our future growth and ability to increase distributions to unitholders will be limited. In addition, if we consummate any future acquisitions, our capitalization and results of operations may change significantly, and unitholders will not have the opportunity to evaluate the economic, financial, and other relevant information considered in determining the application of these funds and other resources. Finally, we may complete acquisitions which at the time of completion we believe will be accretive, but which ultimately may not be accretive. If any of these events were to occur, our future growth would be limited.

Integration of assets and businesses acquired in past acquisitions or future acquisitions with our existing business will be a complex, time-consuming and costly process, particularly given that assets acquired to date significantly increased our size and diversified the geographic areas in which we operate. A failure to successfully integrate the acquired assets or businesses, such as Parkland, with our existing business in a timely manner may have a material adverse effect on our business, financial condition, results of operations or cash available for distribution to our unitholders.

The difficulties of integrating past and future acquisitions with our business include, among other things:

•operating a larger combined organization in new geographic areas and new lines of business;

•hiring, training or retaining qualified personnel to manage and operate our growing business and assets;

•integrating management teams and employees into existing operations and establishing effective communication and information exchange with such management teams and employees;

•diversion of management’s attention from our existing business;

•assimilation of acquired assets and operations, including additional regulatory programs, operational philosophies and complex systems;

•loss of customers, suppliers or key employees;

•maintaining an effective system of internal controls in compliance with the Sarbanes-Oxley Act of 2002 as well as other regulatory compliance and corporate governance matters;

•integrating new technology systems for financial reporting; and

•assuming contractual obligations of acquired businesses, potential unknown liabilities and unforeseeable increased expenses as a result of such acquisitions.

If any of these risks or other unanticipated liabilities or costs were to materialize, then desired benefits from past acquisitions and future acquisitions could result in a negative impact to our future results of operations. In addition, acquired assets may perform at levels below the forecasts used to evaluate them, due to factors beyond our control. If the acquired assets perform at levels below the forecasts, then our future results of operations could be negatively impacted.

Also, our reviews of proposed business or asset acquisitions are inherently imperfect because it is generally not feasible to perform an in-depth review of each such proposal given time constraints imposed by sellers. Even if performed, a detailed review of assets and businesses may not reveal existing or potential problems, and may not provide sufficient familiarity with such business or assets to fully assess their deficiencies and potential. Inspections may not be performed on every asset, and environmental problems, such as groundwater contamination, may not be observable even when an inspection is undertaken.

We acquired Parkland, a Canadian corporation, indirectly through Sunoco Retail, a wholly owned corporate subsidiary of ours. The acquisition involved the creation of a separate public company, SunocoCorp, within our ownership structure, and resulted in our expansion into jurisdictions where we did not previously have an operating footprint, which may expose us to additional regulatory, operational and geopolitical risks. See “—Regulatory Matters—We operate assets outside of the United States, which exposes us to different legal and regulatory requirements and additional risk” for more information.

The combination of two independent businesses is complex, costly and time consuming, and we will be required to continue to devote significant management attention and resources to integrating the business practices and operations of Parkland into the Partnership to achieve, among other things, the targeted cost synergies associated with the acquisition. To the extent we are unable to successfully integrate the business and operations of Parkland into the Partnership, and to the extent we are unable to successfully manage the creation and associated expenses of SunocoCorp, our business, results of operations and our ability to achieve the anticipated benefits of the acquisition may be adversely affected.

Any acquisitions involve potential risks, including, among others:

•the validity of our assumptions about revenues, capital expenditures and operating costs of the acquired business or assets, as well as assumptions about achieving synergies with our existing business;

•the validity of our assessment of environmental and other liabilities, including legacy liabilities;

•the costs associated with additional debt or equity capital, which may result in a significant increase in our interest expense and financial leverage resulting from any additional debt incurred to finance the acquisition, or the issuance of additional common units on which we will make distributions, either of which could offset the expected accretion to our unitholders from such acquisition and could be exacerbated by volatility in the equity or debt capital markets;

•a failure to realize anticipated benefits, such as increased available cash per unit, enhanced competitive position or new customer relationships;

•a decrease in our liquidity by using a significant portion of our available cash or borrowing capacity to finance the acquisition;

•the incurrence of other significant charges, such as impairment of goodwill or other intangible assets, asset devaluation or restructuring charges; and

•the risk that our existing financial controls, information systems, management resources and human resources will need to grow to support future growth and we may not be able to react timely.

We have acquired assets and businesses and we are not always indemnified by the seller for liabilities that precede our ownership. In addition, in some cases, we have indemnified the previous owners and operators of acquired assets or businesses. Some of our assets have been used for many years to refine, transport and store crude oil and refined products, and past releases could require costly future remediation. If a significant release or event occurred in the past, the liability for which was not retained by the seller, or for which indemnification by the seller is not available, it could adversely affect our financial position and results of operations. Conversely, if liabilities arise from assets we have sold, we could incur costs related to those liabilities if the buyer possesses valid indemnification rights against us with respect to those assets.

In August 2022, President Biden signed the IRA 2022, which contains hundreds of billions in incentives for the development of renewable energy, clean hydrogen, clean fuels, electric vehicles and supporting infrastructure and carbon capture and sequestration, amongst other provisions. In addition, the IRA 2022 amended the Clean Air Act to impose a fee on the emission of methane from sources required to report their GHG emissions to the EPA, including those sources in the onshore petroleum and natural gas production categories. However, the OBBBA amended the Clean Air Act to postpone the implementation of the fee until 2034. Although the OBBBA made various changes to the incentives created under the IRA 2022, including elimination of electric vehicle credits, if the incentives offered for various clean energy industries referenced above are pursued in the future, it could further accelerate the transition of the economy away from the use of fossil fuels and decrease demand for gasoline and diesel, increase our compliance and operating costs and consequently adversely affect our business.

Our operations are subject to increasingly stringent international, federal, state and local environmental, health, safety and security laws and regulations, including those relating to: terminals and underground storage tanks; refinery operations; the release or discharge of regulated materials into the air, water and soil; the generation, storage, handling, use, transportation and disposal of hazardous materials; the exposure of persons to regulated materials; and the health and safety of our employees. A violation of, liability under, or noncompliance with these laws and regulations, or any future environmental law or regulation, could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders.

In the United States, regulations under the Clean Water Act, OPA 90 and state laws impose regulatory burdens on terminal operations. Spill prevention control and countermeasure requirements of federal and state laws require containment to mitigate or prevent contamination of waters in the event of a refined product overflow, rupture or leak from above-ground pipelines and storage tanks. The Clean Water Act also requires us to maintain spill prevention control and countermeasure plans at our terminal facilities with above-ground storage tanks and pipelines. In addition, OPA 90 requires that most fuel transport and storage companies maintain and update various oil spill prevention and oil spill contingency plans. Certain oil handling facilities that are adjacent to water require the engagement of Federally Certified Oil Spill Response Organizations to be available to respond to a spill on water from above-ground storage tanks or pipelines.

Transportation and storage of refined products over and adjacent to water involves risk and potentially subjects us to strict, joint and potentially unlimited liability for removal costs and other consequences of an oil spill where the spill is into navigable waters, along shorelines or in the exclusive economic zone of the United States. In the event of an oil spill into navigable waters, substantial liabilities could be imposed upon us. The Clean Water Act imposes restrictions and strict controls regarding the discharge of pollutants into navigable waters, with the potential of substantial liability for the violation of permits or permitting requirements.

Terminal operations and associated facilities are subject to the Clean Air Act as well as comparable state and local statutes. Under these laws, permits may be required before construction can commence on a new source of potentially significant air emissions, and operating permits may be required for sources that are already constructed. If regulations become more stringent, additional emission control technologies may be required at our facilities. Any such future obligation could require us to incur significant additional capital or operating costs. Additionally, permits or licenses may be difficult to obtain and may include public comment and other public involvement periods, which could affect agency considerations or the decisions reached. For more information, see our regulatory disclosure titled “Air Emissions and Climate Change.”

Terminal operations are subject to additional programs and regulations under OSHA, such as the Process Safety Management rule. Liability under, or a violation of compliance with, these laws and regulations, or any future laws or regulations, could have a material adverse effect on our business, financial condition, results of operations and cash available for distribution to our unitholders.

Pipeline operations are also subject to a number of environmental and safety programs and regulations. Should our operations fail to comply with applicable Department of Transportation or comparable state regulations regarding pipeline safety, we could be subject to substantial fines and penalties. In addition, the adoption of recently proposed or new laws or regulations that apply more comprehensive or stringent safety standards could require us to install new or modified safety controls, pursue new capital projects, or conduct maintenance programs on an accelerated basis, all of which could require us to incur increased operational costs that could be significant. For more information, see our regulatory disclosure titled “Pipeline Safety Regulation.”

Certain environmental laws, including CERCLA, impose strict, and under certain circumstances, joint and several, liability on the current and former owners and operators of properties for the costs of investigation and removal or remediation of contamination and also impose liability for any related damages to natural resources without regard to fault. Under CERCLA and similar state laws, as persons who arrange for the transportation, treatment, and disposal of hazardous substances, we may also be subject to liability at sites where such hazardous substances are released. We may be subject to third-party claims alleging property damage and/or personal injury in connection with releases of or exposure to hazardous substances at, from, or in the vicinity of our current or former properties or off-site waste disposal sites. Costs associated with the investigation and remediation of contamination, as well as associated third-party claims, could be substantial, and could have a material adverse effect on our business, financial condition, results of operations and our ability to service our outstanding indebtedness. In addition, the presence of, or failure to remediate, identified or unidentified contamination at our properties could materially and adversely affect our ability to sell or rent such property or to borrow money using such property as collateral.

We are required to make financial expenditures to comply with regulations governing underground storage tanks as adopted by federal, state and local regulatory agencies. Compliance with existing and future environmental laws regulating underground storage tank systems of the kind we use may require significant capital expenditures. For example, the EPA has previously published rules that amend existing federal underground storage tank rules, requiring certain upgrades to underground storage tanks and related piping to further ensure the detection, prevention, investigation, and remediation of leaks and spills.

We are required to comply with federal and state financial responsibility requirements to demonstrate that we have the ability to pay for cleanups or to compensate third parties for damages incurred as a result of a release of regulated materials from our underground storage tank systems. We seek to comply with these requirements by maintaining insurance that we purchase from private insurers and in certain circumstances, rely on applicable state trust funds, which are funded by underground storage tank registration fees and taxes on wholesale purchases of motor fuels. Coverage afforded by each fund varies and is dependent upon the continued maintenance and solvency of each fund.

We are responsible for investigating and remediating contamination at a number of our current and former properties. We are entitled to reimbursement for certain of these costs under various third-party contractual indemnities and insurance policies, subject to eligibility requirements, deductibles, and per incident, annual and aggregate caps. To the extent third parties (including insurers) do not pay for investigation and remediation, and/or insurance is not available, we will be obligated to make these additional payments, which could have a material adverse impact on our business, liquidity, results of operations and cash available for distribution to our unitholders.

Although we believe that we have a comprehensive environmental, health, and safety program, we may not have identified all environmental liabilities at all of our current and former locations; material environmental or pipeline safety conditions not known to us may exist; existing and future laws, ordinances or regulations may impose material environmental or pipeline safety liability or compliance costs on us; or we may be required to make material expenditures for the remediation of contamination or pipeline integrity and safety matters.

Further, as discussed above, with the acquisition of the Burnaby Refinery located in BC, we are subject to a number of additional regulatory and environmental requirements in Canada, which may increase our costs of compliance and, in turn, have a material adverse impact on our results of operations.

Our operations are subject to a series of risks related to climate change.

The threat of climate change continues to attract considerable attention in the United States and in foreign countries. In the United States to date, no comprehensive climate change legislation has been implemented at the federal level, although federal regulators, state and local governments, and private parties have taken (or announced that they plan to take) actions related to climate change that have or may have a significant impact on our operations. However, following the change in U.S. presidential administrations, proposals have been made to repeal or otherwise modify climate change-related requirements. For example, in February 2026, the EPA finalized a rule rescinding the GHG “Endangerment Finding,” which underpins the majority of EPA’s GHG regulations. Litigation challenging the rule is expected. As a result, there is significant uncertainty with respect to future regulation of GHG emissions. For more information, see our regulatory disclosure titled “Air Emissions and Climate Change.”

Internationally, the United Nations-sponsored Paris Agreement requires member states to individually determine and submit non-binding emissions reduction targets every five years after 2020. While previously a party to the Paris Agreement, in January 2025, President Trump issued an executive order withdrawing of the United States from the Paris Agreement and revoking any related financial commitments thereunder. State or local governments may, however, elect to continue to participate in international climate change initiatives and pursue state- or regional-level climate change-related regulations. Any efforts to control and/or reduce GHG emissions by the United States or other countries, or concerted conservation efforts that result in reduced consumption, could adversely impact demand for our products and, in turn, our financial position and results of operations. Increasingly, fossil fuel companies are also exposed to litigation risks from climate change.

Additionally, California has recently enacted a set of laws that may require climate-related disclosures from companies “doing business in California” with certain total annual revenue thresholds, though these laws are currently subject to litigation, and we cannot predict the ultimate outcome. Moreover, some other states in which we operate, such as New York and Illinois, are considering adopting climate disclosure laws. For more information, see our regulatory disclosure titled “Air Emissions and Climate Change.” Although the final form and substance of these requirements is not yet known, these rules and laws may result in additional costs to comply with any such disclosure requirements.

Climate change may also result in various physical risks, such as the increased frequency or intensity of extreme weather events or changes in meteorological and hydrological patterns that could adversely impact our operations or those of our supply chains. Such physical risks may result in damage to our facilities or otherwise adversely impact our operations, the demand for our products, the frequency with which consumers may visit our locations or the cost or availability of insurance. Moreover, certain parties, including local and state governments, have from time to time filed lawsuits against various fossil fuel energy companies seeking damages for alleged physical impacts resulting from climate change or relating to false or misleading statements related to fossil fuel’s contribution to climate change. These various political, regulatory, financial, physical and litigation risks related to climate change have the potential to adversely impact our operations and financial performance.

Supply and demand for crude oil is dependent upon a variety of factors, many of which are beyond our control. These factors include, among others, the potential adoption of new government regulations, including those related to fuel conservation measures and climate change regulations, technological advances in fuel economy and energy generation devices. For example, legislative, regulatory or executive actions intended to reduce emissions of GHGs could increase the cost of consuming crude oil, thereby potentially causing a reduction in the demand for this product. A broader transition to alternative fuels or energy sources, whether resulting from potential new government regulation, carbon taxes, governmental incentives and funding such as those provided in the IRA 2022, or consumer preferences could result in decreased demand for products like crude oil. Any decrease in demand could consequently reduce demand for our services and could have a negative effect on our business.

Attention from investors, customers, employees, regulatory bodies and other stakeholders to climate change, societal expectations on companies to address climate change or social and employment initiatives and other ESG matters, investor and societal expectations regarding voluntary ESG disclosures, and consumer demand for alternative forms of energy may result in increased costs, reduced demand for our products, reduced profits, increased investigations and litigation, heightened scrutiny of our statements and initiatives, and negative impacts on our common unit price and access to capital markets.

Moreover, while we may create and publish voluntary disclosures regarding ESG matters from time to time, many of the statements in those voluntary disclosures may be based on expectations, assumptions and hypothetical scenarios. Such expectations, assumptions and hypothetical scenarios are necessarily uncertain and may be prone to error or subject to misinterpretation given the long timelines involved and the lack of an established approach to identifying, measuring and reporting on many ESG matters. Additionally, while we may announce various voluntary ESG targets, such targets are often aspirational. We may not be able to meet or progress against such targets in the manner or on such a timeline as initially contemplated, including but not limited to as a result of unforeseen costs or technical difficulties associated with achieving such results. To the extent we meet such targets, it may be achieved through various contractual arrangements, including the purchase of various credits or offsets that may be deemed to mitigate our environmental impact instead of actual changes in our business operations. Some of these arrangements may receive scrutiny from certain constituencies.

Certain regulators, such as various state agencies, as well as nongovernmental organizations and other private actors have filed lawsuits under various securities and consumer protection laws alleging that certain ESG statements, goals or standards were misleading, false or otherwise deceptive, including for alleged “greenwashing” (i.e., the process of conveying misleading information or making false claims that overstate potential ESG benefits). Certain social and inclusion initiatives are the subject of scrutiny by both those calling for the continued advancement of such policies, as well as those who believe they should be curbed, including government actors, and the complex regulatory and legal frameworks applicable to such initiatives continue to evolve. More recent political developments could mean that the Partnership faces increasing criticism or litigation risks from certain “anti-ESG” parties, including various governmental agencies.

Such sentiment may focus on the Partnership’s environmental commitments (such as reducing GHG emissions) or its pursuit of certain employment practices or social initiatives that are alleged to be political or polarizing in nature or are alleged to violate laws based, in part, on changing priorities of, or interpretations by, federal agencies or state governments. Consideration of ESG-related factors in the Partnership’s decision-making could be subject to increasing scrutiny and objection from such anti-ESG parties. As a result, the Partnership may be subject to pressure in the media or through other means, such as governmental investigations, enforcement actions, or other proceedings, all of which could adversely affect our reputation, business, financial performance, market access and growth. Accordingly, there may be increased costs related to reviewing, implementing and managing such policies, as well as compliance and litigation risks based both on positions we do or do not take, or work we do or do not perform.

ESG activism directed at shifting funding away from companies with fossil fuel-related assets could lead to increased negative investor sentiment toward us and our industry and to the diversion of investment to other industries, which could have a negative impact on our common unit price and our access to and costs of capital. Also, institutional lenders may decide not to provide funding for fossil fuel companies based on climate change related concerns, which could affect our access to capital.

New laws, new interpretations of existing laws, increased governmental enforcement of existing laws or other developments could require us to make additional capital expenditures or incur additional liabilities. For example, at times, certain independent refiners have initiated discussions with the EPA to change the way the RFS is administered in an attempt to shift the burden of compliance from refiners and importers to blenders and distributors. Under the RFS, which requires an annually increasing amount of biofuels to be blended into the fuels used by U.S. drivers, refiners/importers are obligated to obtain renewable identification numbers (“RINs”) either by blending biofuel into gasoline or through purchase in the open market. If the obligation was shifted from the importer/refiner to the blender/distributor, the Partnership would potentially have to utilize the RINs it obtains through its blending activities to satisfy a new obligation and would be unable to sell RINs to other obligated parties, which may cause an impact on the fuel margins associated with the Partnership’s sale of gasoline. Additionally, the price of RINs is not fixed and is subject to change due to various considerations, including regulatory actions. In June 2025, the EPA proposed volume requirements for 2026 and 2027 that continue to build on the increasing volume requirements established in July 2023, though the substance of any final rule is uncertain.

Various federal, state, and local government agencies have the authority to prescribe specific product quality specifications for certain commodities, including commodities that we distribute. Changes in product quality specifications, such as reduced sulfur content in refined petroleum products, or other more stringent requirements for fuels, could reduce our ability to procure product, require us to incur additional handling costs and/or require the expenditure of capital. If we are unable to procure product or recover these costs through increased selling price, we may not be able to meet our financial obligations. Failure to comply with these regulations could result in substantial penalties.

A portion of our revenues are generated from our assets located in Canada, the Greater Caribbean northern Mexico and Europe. Our operations are subject to various risks that could have a material adverse effect on our business, results of operations and financial condition, including political and economic instability from civil unrest; labor strikes; war and other armed conflict; inflation; currency fluctuations, devaluation and conversion restrictions or other factors. Any deterioration of social, political, labor or economic conditions, including the increasing threat of terrorist organizations and drug cartels in Mexico and tensions in Venezuela, or affecting a customer with whom we do business, as well as difficulties in staffing, obtaining necessary equipment and supplies and managing foreign operations, may adversely affect our operations or financial results. We are also exposed to the risk of foreign and domestic governmental actions that may: impose additional costs on us; delay permits or otherwise impede our operations; limit or disrupt markets for our operations, restrict payments or limit the movement of funds; impose sanctions on or otherwise restrict our ability to conduct business with certain customers or persons or in certain countries; or result in the deprivation of contract rights. Our operations outside the United States may also be affected by changes in trade protection laws, policies and measures, and other regulatory requirements affecting trade and investment, including the Foreign Corrupt Practices Act and foreign laws prohibiting corrupt payments, as well as travel restrictions and import and export regulations.

Certain of the products we store and transport are produced to precise customer specifications. If the quality and purity of the products we receive are not maintained or a product fails to perform in a manner consistent with the quality specifications required by our customers, customers have sought, and could in the future seek, replacement of the product or damages for costs incurred as a result of the product failing to perform as guaranteed. We also have faced, and could in the future face, other claims by our customers if our assets do not operate as expected by our customers or our services otherwise do not meet our customers’ expectations. Successful claims or a series of claims against us result in unforeseen expenditures and could result in the loss of one or more customers.

Provisions of the Dodd-Frank Act and rules adopted by the Commodity Futures Trading Commission (the “CFTC”), the SEC and other prudential regulators establish federal regulation of the physical and financial derivatives, including over-the-counter derivatives market and entities, such as us, participating in that market. While most of these regulations are already in effect, the implementation process is still ongoing and the CFTC continues to review and refine its initial rulemakings through additional interpretations and supplemental rulemakings. As a result, any new regulations or modifications to existing regulations could significantly increase the cost of derivative contracts, materially alter the terms of derivative contracts, reduce the availability and/or liquidity of derivatives to protect against risks we encounter, reduce our ability to monetize or restructure our existing derivative contracts, and increase our exposure to less creditworthy counterparties. Any of these consequences could have a material adverse effect on our financial condition, results of operations and cash available for distribution to our unitholders.

The CFTC has re-proposed speculative position limits for certain futures and option contracts in the major energy markets and for swaps that are their economic equivalents, although certain bona fide hedging transactions would be exempt from these position limits provided that various conditions are satisfied. The CFTC has also finalized a related aggregation rule that requires market participants to aggregate their positions with certain other persons under common ownership and control, unless an exemption applies, for purposes of determining whether the position limits have been exceeded. If adopted, the revised position limits rule and its finalized companion rule on aggregation may create additional implementation or operational exposure. In addition to the CFTC federal speculative position limit regime, designated contract markets (“DCMs”) also maintain speculative position limit and accountability regimes with respect to contracts listed on their platform as well as aggregation requirements similar to the CFTC’s final aggregation rule. Any speculative position limit regime, whether imposed at the federal-level or at the DCM-level may impose added operating costs to monitor compliance with such position limit levels, addressing accountability level concerns and maintaining appropriate exemptions, if applicable.

The Dodd-Frank Act requires that certain classes of swaps be cleared on a derivatives clearing organization and traded on a DCM or other regulated exchange, unless exempt from such clearing and trading requirements, which could result in the application of certain margin requirements imposed by derivatives clearing organizations and their members. The CFTC and prudential regulators have also adopted mandatory margin requirements for uncleared swaps entered into between swap dealers and certain other counterparties. We currently qualify for and rely upon an end-user exception from such clearing and margin requirements for the swaps we enter into to hedge our commercial risks. However, the application of the mandatory clearing and trade execution requirements and the uncleared swaps margin requirements to other market participants, such as swap dealers, may adversely affect the cost and availability of the swaps that we use for hedging.

In addition to the Dodd-Frank Act, the European Union and other foreign regulators have adopted and are implementing local reforms generally comparable with the reforms under the Dodd-Frank Act. Implementation and enforcement of these regulatory provisions may reduce our ability to hedge our market risks with non-U.S. counterparties and may make transactions involving cross-border swaps more expensive and burdensome. Additionally, the lack of regulatory equivalency across jurisdictions may increase compliance costs and make it more difficult to satisfy our regulatory obligations.

We depend upon third-party pipelines and other facilities that provide delivery options to and from our fuel storage terminals and transmix processing facilities. Since we do not own or operate these pipelines or other facilities, their continuing operation in their current manner is not within our control. If any of these third-party facilities become partially or fully unavailable, or if the quality specifications for their facilities change so as to restrict our ability to utilize them, our financial condition and results of operations could be adversely affected.

Our facilities, in the U.S. and internationally, operate under a number of federal, state and local permits, licenses and approvals with terms and conditions containing a significant number of prescriptive limits and performance standards in order to operate. These limits and standards require a significant amount of monitoring, recordkeeping and reporting in order to demonstrate compliance with the underlying permit, license or approval. Noncompliance or incomplete documentation of our compliance status may result in the imposition of fines, penalties and injunctive relief. In addition, public protest, political activism and responsive government intervention have made it more difficult for energy companies to acquire the permits required to complete planned infrastructure projects. A decision by a government agency to deny or delay issuing a new or renewed permit, license or approval, or to revoke or substantially modify an existing permit, license or approval, or to impose additional requirements on the renewal could have a material adverse effect on our ability to continue or expand our operations and on our financial condition, results of operations, cash flows and ability to make distributions to our unitholders.

Pursuant to the ICA and various other laws, the FERC regulates tariff rates and terms and conditions of service for interstate crude oil and refined products movements on common carrier pipelines. The FERC requires that these rates be just and reasonable and not unduly discriminatory with respect to any shipper. The FERC or shippers may challenge required pipeline tariff filings, including rates and terms and conditions of service. Further, other than for rates set under market-based rate authority, if a new rate is challenged by protest and investigated by the FERC, the FERC may require amounts refunded where such amounts were collected in excess of the deemed just and reasonable rate. In addition, shippers may challenge by complaint tariff rates and terms and conditions of service even after they take effect, and the FERC may order a carrier to change its rates prospectively to a just and reasonable level. A complaining shipper also may obtain reparations for damages sustained during the two years prior to the date of the complaint.

We are able to use various FERC-authorized rate change methodologies for our interstate pipelines, including indexed rates, cost-of-service rates, market-based rates and negotiated rates. Typically, we adjust our rates annually in accordance with the FERC indexing methodology, which currently allows a pipeline to change its rates within prescribed ceiling levels that are tied to an inflation index. It is possible that the index may result in negative rate adjustments in some years, or that changes in the index might not be large enough to fully reflect actual increases in our costs. The FERC’s indexing methodology is subject to review and revision every five years, with the most recent five-year review occurring in 2025 and 2026. See our regulatory disclosure titled “Regulation of Interstate Crude Oil and Products Pipelines” for additional information on FERC’s indexing methodology.

The FERC has granted us authority to charge market-based rates on some of our pipelines, which are not subject to cost-of-service or indexing constraints. If we were to lose market-based rate authority, however, we could be required to establish rates on some other basis, such as cost-of-service, which could reduce our revenues and cash flows. Additionally, competition constrains our rates in various markets, which may force us to reduce certain rates to remain competitive.

Pursuant to the ICC Termination Act of 1995 (“ITA”), the STB regulates interstate pipelines carrying products other than gas, oil or water, including the anhydrous ammonia we transport. Unlike the ICA, which allows the FERC to investigate a carrier’s rates on its own initiative, ITA prescribes the STB may only investigate issues in response to complaints by shippers and other interested parties. Further, carriers are not required by the ITA or the STB to report rates charged to transport anhydrous ammonia or other commodities, and the STB does not routinely collect such information. Adverse changes in the FERC’s or STB’s rate change methodologies or challenges to our rates that result in significant damages could negatively affect our cash flows, results of operations and our ability to make distributions to our unitholders.

The operations of the third parties on whom we rely for transportation services are subject to complex and stringent laws and regulations that require obtaining and maintaining numerous permits, approvals and certifications from various federal, state and local government authorities. These third parties may incur substantial costs in order to comply with existing laws and regulations. If existing laws and regulations governing such third-party services are revised or reinterpreted, or if new laws and regulations become applicable to their operations, these changes may affect the costs that we pay for services. Similarly, a failure to comply with such laws and regulations by the third parties could have a material adverse effect on our financial condition and results of operations.

We had $13.39 billion of debt outstanding as of December 31, 2025, which includes approximately $3.65 billion aggregate principal amount of debt we assumed and issued in connection with the Parkland Acquisition. We have the ability to incur additional debt under our Credit Facility and the indentures governing our senior notes. The level of our future indebtedness could have important consequences to us, including:

•making it more difficult for us to satisfy our obligations with respect to our senior notes and our credit agreement governing our Credit Facility;

•limiting our ability to borrow additional amounts to fund working capital, capital expenditures, acquisitions, debt service requirements, the execution of our growth strategy and other activities;

•requiring us to dedicate a substantial portion of our cash flow from operations to pay interest and principal on our debt, which would reduce our cash flow available to make distributions to our unitholders and to fund working capital, capital expenditures, acquisitions, execution of our growth strategy and other activities;

•making us more vulnerable to adverse changes in general economic conditions, our industry and government regulations and in our business by limiting our flexibility in planning for, and making it more difficult for us to react quickly to, changing conditions; and

•placing us at a competitive disadvantage compared with our competitors that have less debt.

In addition, we may not be able to generate sufficient cash flow from our operations to repay our indebtedness when it becomes due and to meet other cash needs. Our ability to service our debt depends upon, among other things, our financial and operating performance as impacted by prevailing economic conditions, and financial, business, regulatory and other factors, some of which are beyond our control. In addition, our ability to service our debt will depend on market interest rates, since the rates applicable to a portion of our borrowings fluctuate. If we are not able to pay our debts as they become due, we will be required to pursue one or more alternative strategies, such as selling assets, refinancing or restructuring our indebtedness or selling additional debt or equity securities. We may not be able to refinance our debt or sell additional debt or equity securities or our assets on favorable terms, if at all, and if we must sell our assets, it may negatively affect our ability to generate revenues.

Borrowings under our Credit Facility bear interest at variable interest rates. Should variable interest rates rise, the amount of cash we would otherwise have available for distribution would ordinarily be expected to decline, which could impact our ability to make distributions on our Series A Preferred Units or to maintain or grow our quarterly distributions. Additionally, an increase in interest rates in lower risk investment alternatives, such as United States treasury securities, could cause investors to demand a relatively higher distribution yield on our common units, which, unless we are able to raise our distribution, would imply a lower trading price for our common units. Consequently, rising interest rates could cause a significant decline in the market value of our common units.

We are dependent upon the earnings and cash flow generated by our operations in order to meet our debt service obligations and to allow us to make cash distributions to our unitholders. The operating and financial restrictions and covenants in our credit agreement, the indentures governing our senior notes, the indentures governing NuStar’s senior notes, the agreements governing the revenue bonds issued by the Parish of St. James, Louisiana pursuant to the Gulf Opportunity Zone Act of 2005 (the “GoZone Bonds”) and any future financing agreements may restrict our ability to finance future operations or capital needs, to engage in or expand our business activities or to pay distributions to our unitholders. For example, our credit agreement, the indentures governing our senior notes, the indentures governing the NuStar senior notes and the agreements governing the GoZone Bonds restrict our ability to, among other things:

•incur certain additional indebtedness;

•incur, permit, or assume certain liens to exist on our properties or assets;

•make certain investments or enter into certain restrictive material contracts;

•make distributions;

•repurchase units; and

•merge or dispose of all or substantially all of our assets.

In addition, our credit agreement contains covenants requiring us to maintain certain financial ratios. See “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources” for additional information.

Our future ability to comply with these restrictions and covenants is uncertain and will be affected by the levels of cash flow from our operations and other events or circumstances beyond our control. If market or other economic conditions deteriorate, our ability to comply with these covenants may be impaired. If we violate any provisions of our credit agreement, the indentures governing our senior notes, the indentures governing the NuStar senior notes, the agreements governing the GoZone Bonds or any agreements governing future indebtedness that are not cured or waived within the appropriate time period provided therein, a significant portion of our indebtedness may become immediately due and payable, our ability to make distributions to our unitholders will be inhibited and our lenders’ commitment to make further loans to us may terminate. We might not have, or be able to obtain, sufficient funds to make these accelerated payments.

Energy Transfer owns and controls our General Partner and, following the Parkland Acquisition, has delegated its power and authority to appoint all of the directors of our General Partner to SunocoCorp pursuant to that certain Delegation Agreement, dated October 27, 2025, by and among Energy Transfer, the General Partner and SunocoCorp (the “Delegation Agreement”). Energy Transfer, as sole member of the managing member of SunocoCorp, controls the appointment of the directors by SunocoCorp under the Delegation Agreement. Although our General Partner has a contractual obligation to manage us in a manner it believes is not adverse to us, the executive officers and directors of our General Partner also have a contractual duty to manage our General Partner in a manner beneficial to Energy Transfer. Therefore, conflicts of interest may arise between Energy Transfer and its affiliates, including our General Partner and SunocoCorp, on the one hand, and us and our unitholders, on the other hand. In resolving these conflicts of interest, our General Partner may favor its own interests and the interests of its affiliates over the interests of our common unitholders. These conflicts include the following situations, among others:

•Our General Partner’s affiliates, including Energy Transfer, SunocoCorp and their respective affiliates, are not prohibited from engaging in other business or activities, including those in direct competition with us.

•In addition, neither our Partnership Agreement nor any other agreement requires Energy Transfer to pursue a business strategy that favors us. The affiliates of our General Partner have contractual duties to make decisions in their own best interests and in the best interest of their owners, which may be contrary to our interests. In addition, our General Partner is allowed to take into account the interests of parties other than us or our unitholders, such as Energy Transfer, in resolving conflicts of interest.

•Certain officers and directors of our General Partner are officers or directors of affiliates of our General Partner, including SunocoCorp, and also devote significant time to the business of these entities and are compensated accordingly.

•Affiliates of our General Partner, including Energy Transfer and SunocoCorp, are not limited in their ability to compete with us and may offer business opportunities or sell assets to parties other than us.

•Our Partnership Agreement provides that our General Partner may, but is not required to, in connection with its resolution of a conflict of interest, seek “special approval” of such resolution by appointing a conflicts committee of the General Partner’s board of directors composed of one or more independent directors to consider such conflicts of interest and to either, itself, take action or recommend action to the board of directors, and any resolution of the conflict of interest by the conflicts committee shall be conclusively deemed to be approved by our unitholders.

•Except in limited circumstances, our General Partner has the power and authority to conduct our business without unitholder approval.

•Our General Partner determines the amount and timing of asset purchases and sales, borrowings, repayment of indebtedness and issuances of additional partnership securities and the level of reserves, each of which can affect the amount of cash that is distributed to our unitholders.

•Our General Partner determines the amount and timing of any capital expenditure and whether a capital expenditure is classified as a maintenance capital expenditure or an expansion capital expenditure. These determinations can affect the amount of cash that is distributed to our unitholders.

•Our General Partner may cause us to borrow funds in order to permit the payment of cash distributions, even if the purpose or effect of the borrowing is to make incentive distributions on the IDRs.