Exhibit 99.1

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FOR IMMEDIATE RELEASE

MERIT MEDICAL REPORTS THIRD QUARTER 2025 RESULTS AND UPDATES FULL-YEAR GUIDANCE

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Highlights†

† Comparisons above are calculated for the current quarter compared with the third quarter of 2024, unless otherwise specified. Amounts stated in this release are rounded, while percentages are calculated from the underlying amounts.

* Constant currency revenue; constant currency revenue, organic; non-GAAP gross profit and margin; non-GAAP operating income and margin; non-GAAP net income; non-GAAP EPS; and free cash flow figures (used here and below) are non-GAAP financial measures. A reconciliation of these financial measures to their most directly comparable GAAP financial measures is included under the heading “Non-GAAP Financial Measures” below.

SOUTH JORDAN, Utah, October 30, 2025 -- Merit Medical Systems, Inc. (NASDAQ: MMSI), a leading global manufacturer and marketer of healthcare technology, today announced revenue of $384.2 million for the quarter ended September 30, 2025, an increase of 13.0% compared to the quarter ended September 30, 2024. Constant currency revenue for the third quarter of 2025 increased 12.5% compared to the prior year period and constant currency revenue, organic, for the third quarter of 2025 increased 7.8% compared to the prior year period.

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“Merit delivered better-than-expected financial performance in the third quarter, with top and bottom-line results exceeding the high-end of the company’s expectations,” said Martha G. Aronson, Merit’s President and CEO. “We have increased our 2025 revenue and non-GAAP earnings per share guidance to reflect the stronger-than-expected third quarter results and remain confident in our team’s ability to deliver strong execution, stable constant currency growth, improving profitability and solid cash flow generation this year.”

Ms. Aronson continued: “I am proud to join the Merit Medical team and am committed to working closely with the executive leadership team, Fred and the rest of Merit’s Board of Directors to achieve a smooth transition and continued strong execution towards our Continued Growth Initiatives Program and related financial targets for the three-year period ending December 31, 2026.”

Merit’s revenue by operating segment and product category for the three and nine-month periods ended September 30, 2025 and 2024 was as follows (unaudited; in thousands, except for percentages):

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Merit’s GAAP gross margin for the third quarter of 2025 was 48.5%, compared to GAAP gross margin of 46.4% for the third quarter of 2024. Merit’s non-GAAP gross margin* for the third quarter of 2025 was 53.6%, compared to non-GAAP gross margin* of 50.9% for the third quarter of 2024.

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Merit’s GAAP net income for the third quarter of 2025 was $27.8 million, or $0.46 per share, compared to GAAP net income of $28.4 million, or $0.48 per share, for the third quarter of 2024. Merit’s non-GAAP net income* for the third quarter of 2025 was $54.9 million, or $0.92 per share, compared to non-GAAP net income* of $51.2 million, or $0.86 per share, for the third quarter of 2024.

As of September 30, 2025, Merit had cash and cash equivalents of $392.5 million and total debt obligations of $747.5 million, compared to cash and cash equivalents of $376.7 million and total debt obligations of $747.5 million as of December 31, 2024. Merit had available borrowing capacity of approximately $697 million as of September 30, 2025.

Fiscal Year 2025 Financial Guidance

Based upon the information currently available to Merit’s management, for the year ending December 31, 2025, absent the potential impact of trade policies and related actions implemented by the U.S. and other countries subsequent to today’s date, material acquisitions, non-recurring transactions or other factors beyond Merit’s current expectations, Merit anticipates the following financial results:

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Revenue and Earnings Guidance*

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*Percentage figures approximated; dollar figures may not foot due to rounding

(1) Merit’s non-GAAP earnings per share reflect the dilutive impact of its 3.00% Convertible Senior Notes due 2029 (the “Convertible Notes”) calculated using the if-converted method of approximately $0.04 per share for the year ending December 31, 2025. Any offsetting impacts of the capped call associated with the Convertible Notes are not considered.

(2) “Prior Guidance” reflects Merit’s full-year 2025 financial guidance, previously introduced on July 30, 2025.

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2025 Net Sales Guidance - % Change from Prior Year (Constant Currency) Reconciliation*

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*Percentage figures approximated and may not foot due to rounding

(1)“Prior Guidance” reflects Merit’s full-year 2025 financial guidance, previously introduced on July 30, 2025.

Merit does not provide guidance for GAAP reported financial measures (other than revenue) or a reconciliation of forward-looking non-GAAP financial measures to the most directly comparable GAAP reported financial measures (other than revenue) because Merit is unable to predict with reasonable certainty the financial impact of various items which could impact Merit’s future financial results, such as expenses attributable to acquisitions or other extraordinary transactions, non-cash expenses related to amortization or write-off of previously acquired tangible and intangible assets, certain employee termination benefits, performance-based stock compensation expenses, expenses resulting from non-ordinary course litigation or administrative proceedings and resulting settlements, governmental proceedings, and changes in governmental or industry regulations. These items are uncertain, depend on various factors, and could have a material impact on GAAP reported results for the guidance period. For the same reasons, Merit is unable to address the significance of the unavailable information, which could be material to future results. Specifically, Merit is not, without unreasonable effort, able to reliably predict the impact of these items and Merit believes inclusion of a reconciliation of these forward-looking non-GAAP measures to their GAAP counterparts could be confusing to investors or cause undue reliance.

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Merit’s financial guidance for the year ending December 31, 2025 is subject to risks and uncertainties identified in this release and Merit’s filings with the U.S. Securities and Exchange Commission (the “SEC”). This guidance is based on information and estimates available to Merit as of October 30, 2025. Should known or unknown risks or uncertainties materialize or should underlying assumptions prove inaccurate, actual results will likely vary, and could vary materially, from past results and those anticipated, estimated or projected.

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CONFERENCE CALL

Merit will hold its investor conference call today, Thursday, October 30, 2025, at 5:00 p.m., Eastern Time. To access the conference call, please pre-register using the following link. Registrants will receive confirmation with dial-in details. A live webcast and slide deck will also be available at merit.com.

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CONSOLIDATED BALANCE SHEETS

(in thousands)

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CONSOLIDATED STATEMENTS OF INCOME

(Unaudited, in thousands except per share amounts)

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CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited, in thousands)

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Non-GAAP Financial Measures

Although Merit’s financial statements are prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”), Merit’s management believes that the non-GAAP financial measures referenced in this release may provide investors with useful information regarding the underlying business trends and performance of Merit’s ongoing operations and can be useful for period-over-period comparisons of such operations. Non-GAAP financial measures used in this release include:

Merit’s management team uses these non-GAAP financial measures to evaluate Merit’s profitability and efficiency, to compare operating and financial results to prior periods, to evaluate changes in the results of its operating segments, and to measure and allocate financial resources internally. However, Merit’s management does not consider such non-GAAP measures in isolation or as an alternative to measures determined in accordance with GAAP.

Readers should consider non-GAAP measures used in this release in addition to, not as a substitute for, financial reporting measures prepared in accordance with GAAP. These non-GAAP financial measures generally exclude some, but not all, items that may affect Merit’s net income. In addition, they are subject to inherent limitations as they reflect the exercise of judgment by management about which items are excluded. Merit believes it is useful to exclude such items in the calculation of non-GAAP gross profit and margin, non-GAAP operating income and margin, non-GAAP net income, and non-GAAP earnings per share (in each case, as further illustrated in the reconciliation tables below) because such amounts in any specific period may not directly correlate to the underlying performance of Merit’s business operations and can vary significantly between periods as a result of factors such as acquisition or other extraordinary transactions, non-cash expenses related to amortization or write-off of previously acquired tangible and intangible assets, certain employee termination benefits, expenses resulting from non-ordinary course litigation or administrative proceedings and resulting settlements, governmental proceedings or changes in tax or industry regulations, gains or losses on disposal of certain assets, equity method investment loss (income) from equity investees, and debt issuance costs. Merit may incur similar types of expenses in the future, and the non-GAAP financial information included in this release should not be viewed as a statement or indication that these types of expenses will not recur. Additionally, the non-GAAP financial measures used in this release may not be comparable with similarly titled measures of other companies. Merit urges readers to review the reconciliations of its non-GAAP financial measures to their most directly comparable GAAP financial measures included herein, and not to rely on any single financial measure to evaluate Merit’s business or results of operations.

Constant Currency Revenue

Merit’s constant currency revenue is prepared by converting the current-period reported revenue of subsidiaries whose functional currency is a currency other than the U.S. dollar at the applicable foreign exchange rates in effect during the comparable prior-year period and adjusting for the effects of hedging transactions on reported revenue, which are recorded in the U.S. dollar. The constant currency revenue adjustments of ($1.9) million and $ (0.8) million to reported revenue for the three and nine-month periods ended September 30, 2025, respectively, were calculated using the applicable average foreign exchange rates for the three and nine-month periods ended September 30, 2024.

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Constant Currency Revenue, Organic

Merit’s constant currency revenue, organic, is defined, with respect to prior fiscal year periods, as GAAP revenue. With respect to current fiscal year periods, constant currency revenue, organic, is defined as constant currency revenue (as defined above), less revenue from certain acquisitions. For the three-month period ended September 30, 2025, Merit’s constant currency revenue, organic, excludes revenues attributable to products acquired in connection with (i) Merit’s merger transaction with Biolife Delaware, L.L.C. (“Biolife”) in May 2025 (the “Biolife Merger”) and (ii) the assets acquired from Cook Medical Holdings LLC in November 2024 (the “Cook Transaction”). For the nine-month period ended September 30, 2025, Merit’s constant currency revenue, organic, excludes revenues attributable to products acquired in connection with (i) the Biolife Merger, (ii) the Cook Transaction and (iii) the assets acquired from EndoGastric Solutions, Inc. in July 2024.

Non-GAAP Gross Profit and Margin

Non-GAAP gross profit is calculated by reducing GAAP cost of sales by amounts recorded for amortization of intangible assets and inventory mark-up related to acquisitions. Non-GAAP gross margin is calculated by dividing non-GAAP gross profit by reported net sales.

Non-GAAP Operating Income and Margin

Non-GAAP operating income is calculated by adjusting GAAP operating income for certain items which are deemed by Merit’s management to be outside of core operations and vary in amount and frequency among periods, such as expenses related to acquisitions or other extraordinary transactions, non-cash expenses related to amortization or write-off of previously acquired tangible and intangible assets, certain employee termination benefits, performance-based stock compensation expenses, expenses resulting from non-ordinary course litigation or administrative proceedings and resulting settlements, governmental proceedings, and changes in governmental or industry regulations, as well as other items referenced in the tables below. Non-GAAP operating margin is calculated by dividing non-GAAP operating income by reported net sales.

Non-GAAP Net Income

Non-GAAP net income is calculated by adjusting GAAP net income for the items set forth in the definition of non-GAAP operating income above, as well as for expenses related to debt issuance costs, gains or losses on disposal of certain assets, equity method investment loss (income) from equity investees, and other items set forth in the tables below.

Non-GAAP EPS

Non-GAAP EPS is defined as non-GAAP net income divided by the diluted shares outstanding for the corresponding period.

Free Cash Flow

Free cash flow is defined as cash flow from operations calculated in accordance with GAAP, less capital expenditures for property and equipment calculated in accordance with GAAP, as set forth in the consolidated statement of cash flows.

Other Non-GAAP Financial Measure Reconciliations

The following tables set forth supplemental financial data and corresponding reconciliations of non-GAAP financial measures to Merit’s corresponding financial measures prepared in accordance with GAAP, in each case, for the three and nine-month periods ended September 30, 2025 and 2024. The non-GAAP income adjustments referenced in the following tables do not reflect non-performance-based stock compensation expense of $4.6 million and $3.1 million for the three-month periods ended September 30, 2025 and 2024, respectively and $13.9 million and $9.6 million for the nine-month periods ended September 30, 2025 and 2024, respectively.

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Reconciliation of GAAP Net Income to Non-GAAP Net Income

(Unaudited, in thousands except per share amounts)

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Note: Certain per-share impacts may not sum to totals due to rounding.

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Reconciliation of GAAP Net Income to Non-GAAP Net Income

(Unaudited, in thousands except per share amounts)

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Note: Certain per-share impacts may not sum to totals due to rounding.

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Reconciliation of Reported Operating Income to Non-GAAP Operating Income

(Unaudited, in thousands except percentages)

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Note: Certain percentages may not sum to totals due to rounding.

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Reconciliation of Reported Revenue to Constant Currency Revenue (Non-GAAP), and Constant Currency Revenue, Organic (Non-GAAP)

(Unaudited, in thousands except percentages)

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