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______________

______________

(Mark One)

Commission File Number: 001-39778

______________

(Exact Name of Registrant as Specified in Its Charter)

______________

(Address of Principal Executive Offices) (Zip Code)

(Registrant’s Telephone Number, Including Area Code)

______________

______________

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 ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation 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 ☒ 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 is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of April 20, 2023, 412,406,745 shares of the registrant's Class A common stock were outstanding, 217,848,017 shares of the registrant's Class B common stock were outstanding, no shares of the registrant’s Class C common stock were outstanding, and 9,200,000 shares of the registrant’s Class H common stock were outstanding.

This Quarterly Report on Form 10-Q contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995, about us and our industry that involve substantial risks and uncertainties. All statements other than statements of historical facts contained in this Quarterly Report on Form 10-Q, including statements regarding our strategy, future financial condition, future operations, projected costs, prospects, plans, objectives of management, and expected market growth, are forward-looking statements. In some cases, you can identify forward-looking statements because they contain words such as “may,” “will,” “shall,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” “goal,” “objective,” “seeks,” or “continue” or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. Forward-looking statements contained in this Quarterly Report on Form 10-Q include, but are not limited to, statements about:

•the effects of macroeconomic conditions, including inflation, slower growth or recession, higher interest rates, high unemployment and foreign currency fluctuations, on the demand for travel or similar experiences;

•the effects of supply constraints on availability of Host homes;

•our ability to effectively manage our exposure to fluctuations in foreign currency exchange rates;

•the continued effects of the COVID-19 pandemic, including as a result of new strains or variants of the virus, as well as other highly infectious diseases, on our business, the travel industry, travel trends, and the global economy generally;

•our expectations regarding our financial performance, including our revenue, costs, Adjusted Earnings Before Interest, Taxes, Depreciation and Amortization (“EBITDA”), and Free Cash Flow;

•our expectations regarding future operating performance, including Nights and Experiences Booked, Gross Booking Value (“GBV”), Average Daily Rates (“ADR”), and GBV per Night and Experience Booked;

•our ability to attract and retain Hosts and guests;

•our ability to compete in our industry;

•our expectations regarding the resilience of our model, including in areas such as domestic travel, short-distance travel, travel outside of top cities, and long-term stays;

•seasonality, including the return of pre-COVID-19 pandemic patterns of seasonality, and the effects of seasonal trends on our results of operations;

•our expectations regarding the impact of our marketing strategy, and our ability to continue to attract guests and Hosts to our platform through direct and unpaid channels;

•anticipated trends, developments, and challenges in our industry, business, and the highly competitive markets in which we operate;

•our ability to anticipate market needs or develop new or enhanced offerings and services to meet those needs;

•our ability to manage expansion into international markets and new businesses;

•our ability to stay in compliance with laws and regulations that currently apply or may become applicable to our business both in the United States and internationally and our expectations regarding various laws and restrictions that relate to our business;

•our expectations regarding our income tax liabilities, including anticipated increases in foreign taxes, and the adequacy of our reserves;

•our ability to effectively manage our growth and expand our infrastructure and maintain our corporate culture, and our employee initiatives;

•our ability to identify, recruit, and retain skilled personnel, including key members of senior management;

•the safety, affordability, and convenience of our platform and our offerings;

•our ability to successfully defend litigation brought against us;

•the sufficiency of our cash, cash equivalents, and investments to meet our liquidity needs;

•our ability to maintain, protect, and enhance our intellectual property;

•our ability to make required payments under our credit agreement and to comply with the various requirements of our indebtedness;

•the impact of the ongoing military action between Russia and Ukraine on our business;

•human capital management, including our Live and Work Anywhere policy and diversity and belonging initiatives and commitments;

•environmental, social, and governance matters, including our Net Zero emissions and climate-related initiatives and commitments; and

•our plan to make distributions to our Host Endowment Fund.

We caution you that the foregoing list does not contain all of the forward-looking statements made in this Quarterly Report on Form 10-Q. You should not rely upon forward-looking statements as predictions of future events. We have based the forward-looking statements contained in this Quarterly Report on Form 10-Q primarily on our current expectations, estimates, forecasts, and projections about future events and trends that we believe may affect our business, results of operations, financial condition, and prospects. Although we believe that we have a reasonable basis for each forward-looking statement contained in this Quarterly Report on Form 10-Q, we cannot guarantee that the future results, levels of activity, performance, or events and circumstances reflected in the forward-looking statements will be achieved or occur at all. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties, and other factors described in the section titled “Risk Factors” and elsewhere in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022. Moreover, we operate in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward-looking statements contained in this Quarterly Report on Form 10-Q. The results, events, and circumstances reflected in the forward-looking statements may not be achieved or occur, and actual results, events, or circumstances could differ materially from those described in the forward-looking statements.

The forward-looking statements made in this Quarterly Report on Form 10-Q relate only to events as of the date on which the statements are made available. We undertake no obligation to update any forward-looking statements made in this Quarterly Report on Form 10-Q to reflect events or circumstances after the date of this Quarterly Report on Form 10-Q or to reflect new information or the occurrence of unanticipated events, except as required by law. We may not actually achieve the plans, intentions, or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements.

Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures, or investments we may make.

In addition, statements that “we believe” and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date of this Quarterly Report on Form 10-Q, and while we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information. These statements are inherently uncertain, and you are cautioned not to unduly rely upon these statements.

You should read this Quarterly Report on Form 10-Q and the documents that we reference in this Quarterly Report on Form 10-Q and have filed as exhibits to this Quarterly Report on Form 10-Q, completely and with the understanding that our actual future results may be materially different from what we expect. We qualify all of the forward-looking statements in this Quarterly Report on Form 10-Q by these cautionary statements.

(in millions, except par value)

(unaudited)

(in millions, except per share amounts)

(unaudited)

(unaudited)

(unaudited)

*Amounts round to zero and do not change rounded totals.

(unaudited)

Airbnb, Inc. (the “Company” or “Airbnb”) was incorporated in Delaware in June 2008 and is headquartered in San Francisco, California. The Company operates a global platform for unique stays and experiences. The Company’s marketplace model connects Hosts and guests (collectively referred to as “customers”) online or through mobile devices to book spaces and experiences around the world.

The accompanying unaudited condensed consolidated financial statements (“financial statements”) have been prepared in conformity with generally accepted accounting principles in the United States of America (“U.S. GAAP”) and the applicable rules and regulations of the Securities and Exchange Commission (the “SEC”) regarding interim financial information. Certain information and note disclosures normally included in the consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this Quarterly Report on Form 10-Q should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2022, included in the Company’s Annual Report on Form 10-K, filed with the SEC on February 17, 2023. The results for the interim periods are not necessarily indicative of results for the full year. The Company has changed its presentation from thousands to millions and, as a result, any necessary rounding adjustments have been made to prior period disclosed amounts. Certain immaterial amounts in prior periods have been reclassified to conform with current period presentation.

In the opinion of management, these financial statements reflect all adjustments, consisting only of normal recurring adjustments, which are necessary for the fair statement of the condensed consolidated financial position, results of operations and cash flows for these interim periods.

The accompanying financial statements include the accounts of the Company and its wholly-owned subsidiaries and variable interest entities (“VIE”) in which the Company is the primary beneficiary in accordance with consolidation accounting guidance. All intercompany transactions have been eliminated in consolidation.

The Company determines, at the inception of each arrangement, whether an entity in which it has made an investment or in which it has other variable interest in is considered a VIE. The Company consolidates a VIE when it is deemed to be the primary beneficiary. The primary beneficiary of a VIE is the party that meets both of the following criteria: (i) has the power to direct the activities that most significantly affect the economic performance of the VIE; and (ii) has the obligation to absorb losses or the right to receive benefits that in either case could potentially be significant to the VIE. Periodically, the Company determines whether any changes in its interest or relationship with the entity impact the determination of whether the entity is still a VIE and, if so, whether the Company is the primary beneficiary. If the Company is not deemed to be the primary beneficiary in a VIE, the Company accounts for the investment or other variable interest in a VIE in accordance with applicable U.S. GAAP. As of March 31, 2023, the Company’s consolidated VIEs were not material to the financial statements.

The preparation of the Company’s financial statements in conformity with U.S. GAAP requires management to make certain estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The Company regularly evaluates its estimates, including those related to bad debt reserves, fair value of investments, useful lives of long-lived assets and intangible assets, valuation of goodwill and intangible assets from acquisitions, contingent liabilities, insurance reserves, revenue recognition, valuation of common stock, stock-based compensation, and income and non-income taxes, among others. Actual results could differ materially from these estimates.

As the impact of the uncertain macroeconomic conditions, including inflation and rising interest rates, continues to evolve, estimates and assumptions about future events and their effects cannot be determined with certainty and therefore require increased judgment. These estimates and assumptions may change in future periods and will be recognized in the financial statements as new events occur and additional information becomes known. To the extent the Company’s actual results differ materially from those estimates and assumptions, the Company’s future financial statements could be affected.

The Company considers all highly-liquid investments with original maturities of greater than 90 days to be short-term investments. Short-term investments include time deposits, which are accounted for at amortized cost, and available-for-sale debt securities that consist of corporate debt securities, commercial paper, certificates of deposit, U.S. government and government agency debt securities (“government bonds”), and mortgage-backed and asset-backed securities. The Company determines the appropriate classification of its investments at the time of purchase. The Company determines realized gains or losses on the sale of equity and debt securities on a specific identification method.

Unrealized gains and non-credit related losses on available-for-sale debt securities are reported as a component of accumulated other comprehensive income (loss) (“AOCI”) in stockholders’ equity. Realized gains and losses and impairments are reported within other expense, net in the condensed consolidated statements of operations. The assessment for impairment takes into account the severity and duration of the decline in value, adverse changes in the market or industry of the investee, the Company’s intent to sell the security, and whether it is more likely than not that it will be required to sell the security before recovery of the amortized cost basis.

The Company’s equity investments with readily determinable fair values are measured at fair value on a recurring basis with changes in fair value recognized within other expense, net in the condensed consolidated statements of operations.

The Company’s primary objective for holding derivative instruments is to manage foreign currency exchange rate risk. The Company enters into master netting arrangements to mitigate credit risk in derivative transactions by permitting net settlement of transactions with the same counterparty. All derivative instruments are recorded in the condensed consolidated balance sheets at fair value. The accounting treatment for derivative gains and losses is based on intended use and hedge designation.

Gains and losses arising from amounts that are included in the assessment of cash flow hedge effectiveness are initially deferred in AOCI and subsequently reclassified into earnings when the hedged transaction affects earnings and in the same line item within the condensed consolidated statement of operations. The Company does not exclude any components in the assessment of hedge effectiveness for forwards and options.

When it is no longer probable that a forecasted hedged transaction will occur in the initially identified time period, hedge accounting is discontinued and the Company accounts for the associated derivatives as undesignated derivative instruments. Gains and losses associated with derivatives no longer designated as hedging instruments in AOCI are recognized immediately in other expense, net, if it is probable that the forecasted hedged transaction will not occur by the end of the initially identified time period or within an additional two month period thereafter. In rare circumstances, the additional period of time may exceed two months due to extenuating circumstances related to the nature of the forecasted transaction that are outside the control or influence of the Company.

Gains and losses arising from changes in the fair value of derivative instruments that are not designated as accounting hedges are recognized in the condensed consolidated statement of operations in other expenses, net.

The Company presents derivative assets and liabilities at their gross fair values in the condensed consolidated balance sheets, even if they are subject to master netting arrangements with the counterparties. The Company classifies cash flows related to derivative instruments as operating activities in the condensed consolidated statement of cash flows.

In March 2022, the FASB issued ASU 2022-01, Derivatives and Hedging (Topic 815), which clarifies the guidance on fair value hedge accounting of interest rate risk for portfolios of financial assets. The standard is effective for public entities in fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. Early adoption is permitted on any date on or after the issuance of ASU 2017-12. The Company adopted the standard during the first quarter of 2023, which did not have an impact on the Company's financial statements.

In June 2022, the FASB issued ASU 2022-03, Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions, which clarifies the guidance of equity securities that are subject to a contractual sale restriction as well as includes specific disclosure requirements for such equity securities. The standard is effective for public entities in fiscal years beginning after December 15, 2023, including interim periods within those fiscal years and will be applied prospectively. Early adoption is permitted. The Company is evaluating the impact on the Company’s financial statements.

There are other new accounting pronouncements issued by the FASB that the Company has adopted or will adopt, as applicable, and the Company does not believe any of these accounting pronouncements have had, or will have, a material impact on its financial statements or disclosures.

The following table reconciles cash, cash equivalents, and restricted cash reported on the Company’s condensed consolidated balance sheets to the total amount presented in the condensed consolidated statements of cash flows (in millions):

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in millions):

			December 31, 2022			March 31, 2023
Indirect taxes payable			$	418		$	671
Compensation and employee benefits			380			300
Indirect tax reserves			206			214
Gift card liability			141			141
Operating lease liabilities, current			59			48
Other			672			745
Total accrued expenses and other current liabilities			$	1,876		$	2,119

Payments to Customers

The Company makes payments to customers as part of its incentive programs (composed of referral programs and marketing promotions) and refund activities. The payments are generally in the form of coupon credits to be applied toward future bookings or as cash refunds.

The following table summarizes total payments made to customers (in millions):

The following table presents revenue disaggregated by listing location (in millions):

The following tables summarize the Company’s investments by major security type (in millions):

(1)Unrealized gain (loss) on equity investments were immaterial for the three months ended March 31, 2022 and 2023.

(2)Classified within other assets, noncurrent on the condensed consolidated balance sheets.    

(3)No impairment charges recorded for the three months ended March 31, 2022 and 2023.

(4)As of December 31, 2022 and March 31, 2023, the cumulative downward adjustments for observable price changes and impairment were $56.2 million.

As of December 31, 2022 and March 31, 2023, the Company does not have any available-for-sale debt securities for which the Company has recorded credit related losses.

Unrealized gains and losses, net of tax before reclassifications from AOCI to other expense, net were not material for the three months ended March 31, 2022 and 2023. Realized gains and losses reclassified from AOCI to other expense, net were not material for the three months ended March 31, 2022 and 2023.

Debt securities in an unrealized loss position had an estimated fair value of $748.3 million and $816.6 million, and unrealized losses of $19.4 million and $18.3 million as of December 31, 2022 and March 31, 2023, respectively. A total of $92.3 million and $39.0 million of these securities, with unrealized losses of $12.9 million and $12.5 million, were in a continuous unrealized loss position for more than twelve months as of December 31, 2022 and March 31, 2023, respectively.

The following table summarizes the contractual maturities of the Company’s available-for-sale debt securities (in millions):

As of December 31, 2022 and March 31, 2023, the carrying values of the Company’s equity method investments were $13.8 million and $10.1 million, respectively. The Company recorded unrealized losses of $1.3 million and $3.7 million for the three months ended March 31, 2022 and 2023, respectively, within other expense, net in the condensed consolidated statements of operations, representing its proportionate share of net income or loss based on the investee’s financial results. The Company recorded no impairment charges related to the carrying value of equity method investments for the three months ended March 31, 2022 and 2023.

The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis (in millions):

The following table presents additional information about investments that are measured at fair value for which the Company has utilized Level 3 inputs to determine fair value (in millions):

There were no transfers of financial instruments into or out of Level 3 during the three months ended March 31, 2022 and 2023.

Note 6. Derivative Instruments and Hedging

The Company has a portion of its business denominated and transacted in foreign currencies, which subjects the Company to foreign exchange risk, and uses derivative instruments to manage financial exposures that occur in the normal course of business. The Company does not hold or issue derivatives for trading or speculative purposes.

The Company may elect to designate certain derivatives to partially offset its business exposure to foreign exchange risk. However, the Company may choose not to hedge certain exposures for a variety of reasons including accounting considerations or the prohibitive economic cost of hedging particular exposures. There can be no assurance the hedges will offset more than a portion of the financial impact resulting from movements in foreign exchange rates.

To protect revenue from fluctuations in foreign currency exchange rates, the Company may enter into forward contracts, option contracts, or other instruments, and may designate these instruments as cash flow hedges. The Company generally hedges portions of its forecasted foreign currency exposure associated with revenue, typically for up to 18 months. During the three months ended March 31, 2023, the Company initiated a foreign exchange cash flow hedging program to minimize the effects of foreign currency fluctuations on future revenue.

The Company may also enter into derivative instruments that are not designated as accounting hedges to offset a portion of the foreign currency exchange gains and losses generated by the remeasurement of certain assets and liabilities denominated in non-functional currencies.

The following table summarizes the effect of derivative instruments on the Company’s condensed consolidated balance sheets (in millions):

(1)Derivative assets and derivatives liabilities are measured using Level 2 inputs.

To limit credit risk, the Company generally enters into master netting arrangements with the respective counterparties to the Company’s derivative contracts, under which the Company is allowed to settle transactions with a single net amount payable by one party to the other. As of March 31, 2023, the potential effect of these rights of off-set associated with the Company’s derivative contracts would be a reduction to both derivative assets and liabilities of $17.0 million, resulting in net derivative assets of $0.4 million and net derivative liabilities of $22.9 million.

The effect of derivative instruments designated as hedging instruments on the condensed consolidated statements of operations was not material for the three months ended March 31, 2023.

The following table summarizes the activity of derivative instruments designated as cash flow hedges and the impact of these derivative contracts on AOCI (in millions):

As of March 31, 2023, cumulative unrealized losses recorded in AOCI related to derivative instruments designated as hedging instruments were $4.1 million.

The following table presents the activity of derivative instruments not designated as hedging instruments and the impact of these derivative contracts on the condensed consolidated statements of operations (in millions):

The total notional amount of outstanding foreign currency derivatives designated as cash flow hedges was $494.3 million as of March 31, 2023.

The total notional amount of outstanding derivatives not designated as hedging instruments was $2.4 billion and $3.3 billion as of December 31, 2022 and March 31, 2023, respectively.

Note 7. Debt

In 2021, the Company issued $2.0 billion aggregate principal amount of 0% convertible senior notes due 2026 (the "2026 Notes") pursuant to an indenture, dated March 8, 2021 (the "Indenture"), between the Company and U.S. Bank National Association, as trustee.

As of both December 31, 2022 and March 31, 2023, total outstanding debt, net of unamortized debt discount and debit issuance costs, was $2.0 billion. For the three months ended March 31, 2022 and 2023, interest expense of $1.0 million was recorded for the 2026 Notes relating to amortization of the debt discount and debt issuance costs.

As of March 31, 2023, the if-converted value of the 2026 Notes did not exceed the outstanding principal amount.

As of March 31, 2023, the total estimated fair value of the 2026 Notes was $1.8 billion and was determined based on a market approach using actual bids and offers of the 2026 Notes in an over-the-counter market on the last trading day of the period, or Level 2 inputs.

In 2022, the Company entered into a five-year unsecured Revolving Credit Agreement, which provides for initial commitments by a group of lenders led by Morgan Stanley Senior Funding, Inc. of $1.0 billion (“2022 Credit Facility”). The 2022 Credit Facility provides a $200.0 million sub-limit for the issuance of letters of credit.

The 2022 Credit Facility contains customary events of default, affirmative and negative covenants, including restrictions on the Company’s and certain of its subsidiaries’ ability to incur debt and liens, undergo fundamental changes, as well as certain financial covenants. The Company was in compliance with all financial covenants as of March 31, 2023.

No amounts were drawn under the 2022 Credit Facility as of December 31, 2022 and March 31, 2023, and outstanding letters of credit totaled $28.5 million as of both December 31, 2022 and March 31, 2023.

The following table summarizes total stock-based compensation expense (in millions):

									Three Months Ended March 31,
												2022			2023
Operations and support												$	12		$	15
Product development												118			149
Sales and marketing												21			28
General and administrative												44			48
Stock-based compensation expense												$	195		$	240

A summary of stock option and restricted stock unit (“RSU”) activity under the Company’s equity incentive plans was as follows (in millions, except per share amounts):

The Company has commitments including purchase obligations for web-hosting services and other commitments for brand marketing. As of March 31, 2023, there were no material changes outside the ordinary course of business to the Company’s commitments, as disclosed in its Annual Report on Form 10-K for the year ended December 31, 2022.

Some states and localities in the United States and elsewhere in the world impose transient occupancy or lodging accommodations taxes (“Lodging Taxes”) on the use or occupancy of lodging accommodations or other traveler services. As of March 31, 2023, the Company collects and remits Lodging Taxes in approximately 32,400 jurisdictions on behalf of its Hosts. Such Lodging Taxes are generally remitted to tax jurisdictions within a 30 to 90-day period following the end of each month.

As of December 31, 2022 and March 31, 2023, the Company had an obligation to remit Lodging Taxes collected from guests on bookings in these jurisdictions totaling $250.6 million and $423.6 million, respectively. These payables were recorded in accrued expenses and other current liabilities on the condensed consolidated balance sheets.

In jurisdictions where the Company does not collect and remit Lodging Taxes, the responsibility for collecting and remitting these taxes primarily rests with Hosts. The Company has estimated liabilities in a certain number of jurisdictions with respect to state, city, and local taxes related to lodging where management believes it is probable that the Company can be held jointly liable with Hosts for taxes and the related amounts can be reasonably estimated. As of December 31, 2022 and March 31, 2023, accrued obligations related to these estimated taxes, including estimated penalties and interest, totaled $70.6 million and $77.8 million, respectively. With respect to lodging and related taxes for which a loss is probable or reasonably possible, the Company is unable to determine an estimate of the possible loss or range of loss beyond the amounts already accrued.

The Company’s potential obligations with respect to Lodging Taxes could be affected by various factors, which include, but are not limited to, whether the Company determines, or any tax authority asserts, that the Company has a responsibility to collect lodging and related taxes on either historical or future transactions or by the introduction of new ordinances and taxes which subject the Company’s operations to such taxes. Accordingly, the ultimate resolution of Lodging Taxes may be greater or less than reserve amounts that the Company has recorded.

The Company is currently involved in disputes brought by certain states and localities involving the payment of Lodging Taxes. These jurisdictions are asserting that the Company is liable or jointly liable with Hosts to collect and remit Lodging Taxes. These disputes are in various stages and the Company continues to vigorously defend these claims. The Company believes that the statutes at issue impose a Lodging Tax obligation on the person exercising the taxable privilege of providing accommodations, or the Company’s Hosts.

The imposition of such taxes on the Company could increase the cost of a guest booking and potentially cause a reduction in the volume of bookings on the Company’s platform, which would adversely impact the Company’s results of operations. The Company will continue to monitor the application and interpretation of lodging and related taxes and ordinances and will adjust accruals based on any new information or further developments.

The Company is under audit and inquiry by various domestic and foreign tax authorities with regard to non-income tax matters. The subject matter of these contingent liabilities primarily arises from the Company’s transactions with its customers, as well as the tax treatment of certain employee benefits and related employment taxes. In jurisdictions with disputes connected to transactions with customers , disputes involve the applicability of transactional taxes (such as sales, value-added, and similar taxes) to services provided, as well as the applicability of withholding tax on payments made to such Hosts. Due to the inherent complexity and uncertainty of these matters and judicial processes in certain jurisdictions, the final outcomes may exceed the estimated liabilities recorded.

As of December 31, 2022 and March 31, 2023, the Company accrued a total of $134.6 million and $135.7 million of estimated tax liabilities, including interest, related to Hosts’ withholding tax obligations, respectively.

The Company has identified reasonably possible exposures related to withholding income taxes, transactional taxes, and business taxes and has not accrued for these amounts since the likelihood of the contingent liability is less than probable. The Company estimates that the reasonably possible loss related to these matters in excess of the amounts accrued is between $262.0 million to $282.0 million; however, no assurance can be given as to the outcomes and the Company could be subject to significant additional tax liabilities.

With respect to all other withholding tax on payments made to Hosts and transactional taxes for which a loss is probable or reasonably possible, the Company is unable to determine an estimate of the possible loss or range of loss beyond the amounts already accrued.

In addition, as of December 31, 2022 and March 31, 2023, the Company accrued a total of $32.6 million and $33.1 million of estimated tax liabilities related to employment taxes on certain employee benefits, respectively.

The Company is subject to regular payroll tax examinations by various international, state and local jurisdictions. Although management believes its tax withholding remittance practices are appropriate, the Company may be subject to additional tax liabilities, including interest and penalties, if any tax authority disagrees with the Company’s withholding and remittance practices, or if there are changes in laws, regulations, administrative practices, principles or interpretations related to payroll tax withholding in the various international, state and local jurisdictions.

The Company has been and is currently a party to various legal and regulatory matters arising in the normal course of business. Such proceedings and claims, even if not meritorious, can require significant financial and operational resources, including the diversion of management’s attention from the Company’s business objectives.

The Company operates in a complex legal and regulatory environment and its operations are subject to various U.S. and foreign laws, rules, and regulations, including those related to: Internet activities; short-term rentals, long-term rentals and home sharing; real estate, property rights, housing and land use; travel and hospitality; privacy and data protection; intellectual property; competition; health and safety; protection of minors; consumer protection; employment; payments, money transmission, economic and trade sanctions, anti-corruption and anti-bribery; taxation; and others. In addition, the nature of the Company’s business exposes it to inquiries and potential claims related to the compliance of the business with applicable law and regulations. In some instances, applicable laws and regulations do not yet exist or are being applied, interpreted or implemented to address aspects of the Company’s business, and such adoption or interpretation could further alter or impact the Company’s business.

In certain instances, the Company has been party to litigation with municipalities relating to or arising out of certain regulations. In addition, the implementation and enforcement of regulation can have an impact on the Company’s business.

The Company has been and is currently subject to claims relating to intellectual property, including alleged patent infringement. Adverse results in such lawsuits may include awards of substantial monetary damages, costly royalty or licensing agreements, or orders preventing the Company from offering certain features, functionalities, products, or services, and may also cause the Company to change its business practices or require development of non-infringing products or technologies, which could result in a loss of revenue or otherwise harm its business. To date, the Company has not incurred any material costs as a result of such cases and has not recorded any material liabilities in its financial statements related to such matters.

The Company is currently involved in, and may in the future be involved in, legal proceedings, claims, and government investigations in the ordinary course of business. These include proceedings, claims, and investigations relating to, among other things, regulatory matters, commercial matters, intellectual property, competition, tax, employment, pricing, discrimination, consumer rights, personal injury, and property rights.

The Australian Competition and Consumer Commission (“ACCC”) commenced proceedings against Airbnb, Inc. and Airbnb Ireland UC alleging that Airbnb has breached the Australian Consumer Law by making false and misleading representations, because certain users were shown prices and charged in U.S. dollars versus Australian dollars. The Company disputes the allegations of the ACCC.

Depending on the nature of the proceeding, claim, or investigation, the Company may be subject to monetary damage awards, fines, penalties, and/or injunctive orders. Furthermore, the outcome of these matters could materially adversely affect the Company’s business, results of operations, and financial condition. The outcomes of legal proceedings, claims, and government investigations are inherently unpredictable and subject to significant judgment to determine the likelihood and amount of loss related to such matters. While it is not possible to determine the outcomes, the Company believes based on its current knowledge that the resolution of all such pending matters will not, either individually or in the aggregate, have a material adverse effect on the Company’s business, results of operations, financial condition, or cash flows.

The Company establishes an accrued liability for loss contingencies related to legal matters when a loss is both probable and reasonably estimable. These accruals represent management’s best estimate of probable losses. Such currently accrued amounts are not material to the Company’s financial statements. However, management’s views and estimates related to these matters may change in the future, as new events and circumstances arise and the matters continue to develop. Until the final resolution of legal matters, there may be an exposure to losses in excess of the amounts accrued. With respect to outstanding legal matters, based on current knowledge, the amount or range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on the Company’s business, results of operations, financial condition, or cash flows. Legal fees are expensed as incurred.

The Company offers AirCover coverage, which includes but is not limited to, the Company’s Host Damage Protection program that provides protection of up to $3.0 million for direct physical loss or damage to a Host’s covered property caused by guests during a confirmed booking and when the Host and guest are unable to resolve the dispute. The Company retains risk and also maintains insurance from third parties on a per claim basis to protect the Company’s financial exposure under this program. In addition, through third-party insurers and self-insurance mechanisms, including a wholly-owned captive insurance subsidiary, the Company provides insurance coverage for third-party bodily injury or property damage liability claims that occur during a stay. The Company’s Host Liability Insurance and Experiences Liability Insurance consists of a commercial general liability policy, with Hosts and the Company as named insureds and landlords of Hosts as additional insureds. The Host Liability Insurance and Experiences Liability Insurance provides primary coverage for up to $1.0 million per occurrence, subject to a $1.0 million cap per listing location, and includes various market standard conditions, limitations, and exclusions.

The Company has entered into indemnification agreements with certain of its employees, officers and directors. The indemnification agreements and the Company’s Amended and Restated Bylaws (the “Bylaws”) require the Company to indemnify its directors and officers and those employees who have entered into indemnification agreements to the fullest extent not prohibited by Delaware law. Subject to certain limitations, the indemnification agreements and Bylaws also require the Company to advance expenses incurred by its directors and officers and those employees who have entered into indemnification agreements. No demands have been made upon the Company to provide indemnification or advancement under the indemnification agreements or the Bylaws, and thus, there are no indemnification or advancement claims that the Company is aware of that could have a material adverse effect on the Company’s business, results of operations, financial condition, or cash flows.

In the ordinary course of business, the Company has included limited indemnification provisions in certain agreements with parties with whom the Company has commercial relations, which provisions are of varying scope and terms with respect to indemnification of certain matters, which may include losses arising out of the Company’s breach of such agreements or out of intellectual property infringement claims made by third parties. It is not possible to determine the maximum potential loss under these indemnification provisions due to the limited history of prior indemnification claims and the unique facts and circumstances involved in each particular provision. To date, no significant costs have been incurred, either individually or collectively, in connection with the Company’s indemnification provisions.

The Company’s tax provision for interim periods is determined by using an estimated annual effective tax rate, adjusted for discrete items arising in that quarter. In each quarter, the Company updates the estimated annual effective tax rate and makes a year-to-date adjustment to the provision. The estimated annual effective tax rate is subject to significant volatility due to several factors, including accurately predicting the Company’s pre-tax and taxable income and loss and the mix of jurisdictions to which they relate, intercompany transactions, audit-related developments, and changes in statutes, regulations, case law, and administrative actions.

The Company recorded income tax expense of $10.7 million and $13.4 million for the three months ended March 31, 2022 and 2023, respectively, which were primarily driven by current tax on U.S. and foreign earnings and the accrual of interest on certain uncertain tax positions.

In determining the need for a valuation allowance, the Company weighs both positive and negative evidence in the various jurisdictions in which it operates to determine whether it is more likely than not that its deferred tax assets are recoverable. The Company regularly assesses all available evidence, including cumulative historic losses and forecasted earnings. Due to cumulative losses in the United States during the prior three years, including tax deductible stock compensation, and based on all available positive and negative evidence, the Company does not believe it is more likely than not that its U.S. deferred tax assets will be realized as of March 31, 2023. Accordingly, a full valuation allowance has been established in the United States, and no deferred tax assets and related tax benefit have been recognized in the financial statements. However, given the Company’s current earnings and anticipated future earnings, the Company believes that there is a reasonable possibility that within the next 12 months, sufficient positive evidence may become available to allow the Company to reach a conclusion that some portion of or the entire U.S. valuation allowance will no longer be needed. Release of the valuation allowance would result in the recognition of material U.S. federal and state deferred tax assets and a corresponding decrease to income tax expense in the period the release is recorded. The exact timing and amount of the valuation allowance release are subject to change on the basis of the level of sustained U.S. profitability that the Company is able to actually achieve, as well as the amount of tax deductible stock compensation dependent upon the Company’s publicly traded share price, foreign currency movements, and macroeconomic conditions, among other factors.

The Company’s significant tax jurisdictions include the United States, California, and Ireland. The Company is currently under examination for income taxes by the Internal Revenue Service (“IRS”) for the 2013, 2016, 2017, and 2018 tax years. The primary issue under examination in the 2013 audit is the valuation of the Company’s international intellectual property which was sold to a subsidiary in 2013. In the year ended December 31, 2019, new information became available which required the Company to remeasure its reserve for unrecognized tax benefits. The Company recorded additional tax expense of $196.4 million during the year ended December 31, 2019. In December 2020, the Company received a Notice of Proposed Adjustment (“NOPA”) from the IRS which proposed an increase to the Company’s U.S. taxable income that could result in additional income tax expense and cash liability of $1.3 billion, plus penalties and interest, which exceeds its current reserve recorded in its consolidated financial statements by more than $1.0 billion. The Company disagrees with the proposed adjustment and intends to vigorously contest it. In February 2021, the Company submitted a protest to the IRS describing its disagreement with the proposed adjustment and requesting the case to be transferred to the IRS Independent Office of Appeals (“IRS Appeals”). In December 2021, the Company received a rebuttal from the IRS with the same proposed adjustments that were in the NOPA. In January 2022, the Company entered into an administrative dispute process with IRS Appeals. The Company will continue to pursue all available remedies to resolve this dispute, including petitioning the U.S. Tax Court (“Tax Court”) for redetermination if an acceptable outcome cannot be reached with IRS Appeals, and if necessary, appealing the Tax Court’s decision to the appropriate appellate court. The Company believes that adequate amounts have been reserved for any adjustments that may ultimately result from these examinations. If the IRS prevails in the assessment of additional tax due based on its position and such tax and related interest and penalties, if any, exceeds the Company’s current reserves, such outcome could have a material adverse impact on the Company’s financial position and results of operations, and any assessment of additional tax could require a significant cash payment and have a material adverse impact on the Company’s condensed consolidated statements of cash flow.

On August 16, 2022, the Inflation Reduction Act was signed into law, with tax provisions primarily focused on implementing a 15% minimum tax on global adjusted financial statement income and a 1% excise tax on share repurchases. The Inflation Reduction Act became effective beginning in fiscal year 2023. The Company does not anticipate the new law to have a material impact on the current year, and will continue to evaluate its impact as further information becomes available.

The following table sets forth the computation of basic and diluted net income (loss) per share attributable to common stockholders for the periods indicated (in millions, except per share amounts):

As of both March 31, 2022 and 2023, RSUs to be settled in 9.6 million shares of Class A common stock were excluded from the table below because they are subject to market conditions that were not achieved as of such date. As of March 31, 2022 and 2023, 0.5 million and 0.3 million shares of RSAs were excluded from the table below because they are subject to performance conditions that were not achieved as of such date.

Additionally, the following securities were not included in the computation of diluted shares outstanding because the effect would be anti-dilutive (in millions):

(1)Holders of the 2026 Notes who convert their 2026 Notes in connection with certain corporate events that constitute a make-whole fundamental change are entitled to an increase in the conversion rate. The 11.1 million shares represents the maximum number of shares that could have been issued upon conversion after considering the make-whole fundamental change adjustment on an unweighted basis.

The Company’s board of directors approved a share repurchase program with authorization to purchase up to $2.0 billion of the Company's Class A common stock at management’s discretion.

During the three months ended March 31, 2023, the Company repurchased and subsequently retired 4.0 million shares of common stock for $492.7 million. As of March 31, 2023, the Company had $7.3 million available to repurchase shares pursuant to the share repurchase program.

The Inflation Reduction Act imposed a nondeductible 1% excise tax on the net value of certain stock repurchases made after December 31, 2022. For the three months ended March 31, 2023, the excise tax on share repurchases was not material.

On May 8, 2023, the Company’s board of directors approved a share repurchase program with authorization to purchase up to $2.5 billion of the Company's Class A common stock at management’s discretion. Share repurchases under the share repurchase program may be made through a variety of methods, which may include open market purchases, privately negotiated transactions, block trades or accelerated share repurchase transactions or by any combination of such methods. Any such repurchases will be made from time to time subject to market and economic conditions, applicable legal requirements and other relevant factors. The share repurchase program does not obligate the Company to repurchase any specific number of shares and may be modified, suspended or terminated at any time at the Company’s discretion.

We are a community based on connection and belonging—a community that was born in 2007 when two Hosts welcomed three guests to their San Francisco home, and has grown to over 4 million Hosts who have welcomed over 1.4 billion guest arrivals to over 100,000 cities and towns in almost every country and region across the globe. Hosts on Airbnb are everyday people who share their worlds to provide guests with the feeling of connection and being at home. We have five stakeholders and are designed with all of them in mind. Along with employees and shareholders, we serve Hosts, guests, and the communities in which they live. We intend to make long-term decisions considering all of our stakeholders because their collective success is key for our business to thrive.

We operate a global marketplace, where Hosts offer guests stays and experiences on our platform. Our business model relies on the success of Hosts and guests (collectively referred to as “customers”) who join our community and generate consistent bookings over time. As Hosts become more successful on our platform and as guests return over time, we benefit from the recurring activity of our community.

For the three months ended March 31, 2023, revenue grew by 20% to $1.8 billion, compared to the same period in the prior year, primarily due to a 19% increase in Nights and Experiences Booked of 19.0 million driving a 19% increase in Gross Booking Value of $3.2 billion. The growth in revenue demonstrated the continued strong travel demand. On a constant-currency basis, revenue increased 24% for the three months ended March 31, 2023, compared to the same period in the prior year.

We generated net income of $116.8 million for the three months ended March 31, 2023, an improvement from a net loss of $18.8 million in the same period in the prior year. Our net profit margin increased to 6% from negative 1%, compared to the same period in the prior year, primarily due to higher interest income resulting from increased interest rates.

Our net cash provided by operating activities was $1.6 billion for the three months ended March 31, 2023, compared to $1.2 billion, in the same period in the prior year, and we generated Free Cash Flow1 of $1.6 billion. The increase was driven by our revenue growth and increase in deferred revenue for unearned fees of $145.1 million.

During the three months ended March 31, 2023, we repurchased 4.0 million shares of common stock for $492.7 million, leaving $7.3 million available to repurchase under our share repurchase program.

We track the following key business metrics and financial measures that are not calculated and presented in accordance with generally accepted accounting principles in the United States of America (“ U.S. GAAP”) (“non-GAAP financial measures”) to evaluate our operating performance, identify trends, formulate financial projections, and make strategic decisions. Accordingly, we believe that these key business metrics and non-GAAP financial measures provide useful information to investors and others in understanding and evaluating our results of operations in the same manner as our management team. We believe that non-GAAP financial information, when taken collectively, may be helpful to investors because it provides consistency and comparability with past financial performance, and assists in comparisons with other companies, some of which use similar non-GAAP financial information to supplement their U.S. GAAP results.

These key business metrics and non-GAAP financial measures are presented for supplemental informational purposes only, should not be considered a substitute for financial information presented in accordance with U.S. GAAP, and may be different from similarly titled metrics or measures presented by other companies. A reconciliation of each non-GAAP financial measure to the most directly comparable financial measure stated in accordance with U.S. GAAP is provided under the subsection titled “— Adjusted EBITDA” and “— Free Cash Flow” below.

1 A reconciliation of non-generally accepted accounting principal financial measures to the most comparable generally accepted accounting principal financial measures is provided under the subsection titled “Key Business Metrics and Non-GAAP Financial Measures— Adjusted EBITDA” and “— Free Cash Flow” below.

Investors are encouraged to review the related U.S. GAAP financial measures and the reconciliation of these non-GAAP financial measures to their most directly comparable U.S. GAAP financial measures.

Nights and Experiences Booked is a key measure of the scale of our platform, which in turn drives our financial performance. Nights and Experiences Booked on our platform in a period represents the sum of the total number of nights booked for stays and the total number of seats booked for experiences, net of cancellations and alterations that occurred in that period. For example, a booking made on February 15 would be reflected in Nights and Experiences Booked for our quarter ended March 31. If, in the example, the booking were canceled on May 15, Nights and Experiences Booked would be reduced by the cancellation for our quarter ended June 30. A night can include one or more guests and can be for a listing with one or more bedrooms. A seat is booked for each participant in an experience. Substantially all of the bookings on our platform to date have come from nights. We believe Nights and Experiences Booked is a key business metric to help investors and others understand and evaluate our results of operations in the same manner as our management team, as it represents a single unit of transaction on our platform.

For the first quarter of 2023, we had 121.1 million Nights and Experiences Booked, a 19% increase from 102.1 million for the same prior year period. Nights and Experiences Booked grows as we attract new customers to our platform and as repeat guests increase their activity on our platform. Our Nights and Experiences Booked increased from prior year levels driven by growth across all regions.

GBV represents the dollar value of bookings on our platform in a period and is inclusive of Host earnings, service fees, cleaning fees, and taxes, net of cancellations and alterations that occurred during that period. The timing of recording GBV and any related cancellations is similar to that described in the subsection titled “— Key Business Metrics and Non-GAAP Financial Measures — Nights and Experiences Booked” above. Revenue from the booking is recognized upon check-in; accordingly, GBV is a leading indicator of revenue. The entire amount of a booking is reflected in GBV during the quarter in which booking occurs, whether the guest pays the entire amount of the booking upfront or elects to use our Pay Less Upfront program. Growth in GBV reflects our ability to attract and retain customers and reflects growth in Nights and Experiences Booked.

For the first quarter of 2023, our GBV was $20.4 billion, a 19% increase from $17.2 billion for the same prior year period. The increase in our GBV was primarily due to an increase in Nights and Experiences Booked, combined with sustained elevated average daily rates. Similar to Nights and Experiences Booked, our GBV improvement was driven by growth in bookings in all regions.

Our non-GAAP financial measures include Adjusted EBITDA, Free Cash Flow, and revenue growth rates in constant currency, which are described below. A reconciliation of each non-GAAP financial measure to the most directly comparable financial measure stated in accordance with U.S. GAAP is provided below. Investors are encouraged to review the related U.S. GAAP financial measures and the reconciliation of these non-GAAP financial measures to their most directly comparable U.S. GAAP financial measures.

The following table summarizes our non-GAAP financial measures, along with the most directly comparable U.S. GAAP measure, for each period presented below (in millions):

We define Adjusted EBITDA as net income or loss adjusted for (i) provision for (benefit from) income taxes; (ii) other income (expense), net, interest expense, and interest income; (iii) depreciation and amortization; (iv) stock-based compensation expense and stock-settlement obligations related to the IPO; (v) acquisition-related impacts consisting of gains (losses) recognized on changes in the fair value of contingent consideration arrangements; (vi) net changes to the reserves for lodging taxes for which management believes it is probable that we may be held jointly liable with Hosts for collecting and remitting such taxes; and (vii) restructuring charges.

The above items are excluded from our Adjusted EBITDA measure because these items are non-cash in nature, or because the amount and timing of these items is unpredictable, not driven by core results of operations and renders comparisons with prior periods and competitors less meaningful. We believe Adjusted EBITDA provides useful information to investors and others in understanding and evaluating our results of operations, as well as provides a useful measure for period-to-period comparisons of our business performance. Moreover, we have included Adjusted EBITDA in this Quarterly Report on Form 10-Q because it is a key measurement used by our management internally to make operating decisions, including those related to operating expenses, evaluating performance, and performing strategic planning and annual budgeting.

Adjusted EBITDA also excludes certain items related to transactional tax matters, for which management believes it is probable that we may be held jointly liable with Hosts in certain jurisdictions, and we urge investors to review the detailed disclosure regarding these matters included in the notes to our financial statements included elsewhere in this Quarterly Report on Form 10-Q.

Adjusted EBITDA has limitations as a financial measure, should be considered as supplemental in nature, and is not meant as a substitute for the related financial information prepared in accordance with U.S. GAAP. These limitations include the following:

•Adjusted EBITDA does not reflect interest income (expense) and other income (expense), net, which include unrealized and realized gains and losses on foreign currency exchange, investments, and financial instruments;

•Adjusted EBITDA excludes certain recurring, non-cash charges, such as depreciation of property and equipment and amortization of intangible assets, and although these are non-cash charges, the assets being depreciated and amortized may have to be replaced in the future, and Adjusted EBITDA does not reflect all cash requirements for such replacements or for new capital expenditure requirements;

•Adjusted EBITDA excludes stock-based compensation expense, which has been, and will continue to be for the foreseeable future, a significant recurring expense in our business and an important part of our compensation strategy;

•Adjusted EBITDA excludes acquisition-related impacts consisting of gains (losses) recognized on changes in the fair value of contingent consideration arrangements. The contingent consideration, which was in the form of equity, was valued as of the acquisition date and is marked-to-market at each reporting period based on factors including our stock price; and

•Adjusted EBITDA does not reflect net changes to reserves for lodging taxes for which management believes it is probable that we may be held jointly liable with Hosts for collecting and remitting such taxes.

Because of these limitations, you should consider Adjusted EBITDA alongside other financial performance measures, including net income (loss) and our other U.S. GAAP results.

The following is a reconciliation of Adjusted EBITDA to the most comparable U.S. GAAP measure, net income (loss) (in millions, except percentages):

We define Free Cash Flow as net cash provided by (used in) operating activities less purchases of property and equipment. We believe that Free Cash Flow is a meaningful indicator of liquidity that provides information to our management and investors about the amount of cash generated from operations, after purchases of property and equipment, that can be used for strategic initiatives, including continuous investment in our business, growth through acquisitions, and strengthening our balance sheet. Our Free Cash Flow is impacted by the timing of GBV because we collect our service fees at the time of booking, which is generally before a stay or experience occurs. Funds held on behalf of our customers and amounts payable to our customers do not impact Free Cash Flow, except interest earned on these funds. Free Cash Flow has limitations as an analytical tool and should not be considered in isolation or as a substitute for analysis of other U.S. GAAP financial measures, such as net cash provided by (used in) operating activities. Free Cash Flow does not reflect our ability to meet future contractual commitments and may be calculated differently by other companies in our industry, limiting its usefulness as a comparative measure.

For the three months ended March 31, 2023, Free Cash Flow was $1.6 billion, representing 87% of revenue, compared to $1.2 billion, representing 79% of revenue, for the three months ended March 31, 2022. The increase was primarily driven by net income and growth in unearned fees of $145.1 million.

The following is a reconciliation of Free Cash Flow to the most comparable U.S. GAAP cash flow measure, net cash provided by operating activities (in millions, except percentages):

									Three Months Ended March 31,
												2022			2023
Revenue												$	1,509		$	1,818
Net cash provided by operating activities												$	1,202		$	1,587
Purchases of property and equipment												(6)			(6)
Free Cash Flow												$	1,196		$	1,581
Free Cash Flow as a percentage of revenue												79		%	87		%
Other cash flow components:
Net cash used in investing activities												$	(197)		$	(183)
Net cash provided by financing activities												$	2,204		$	2,286

In addition to revenue growth rates derived from revenue presented in accordance with U.S. GAAP, we disclose below the percentage change in our current period revenue from the corresponding prior period by comparing results using constant currencies. We present constant currency revenue growth rate information to provide a framework for assessing how our underlying revenue performed excluding the effect of changes in exchange rates. We use the percentage change in constant currency revenues for financial and operational decision-making and as a means to evaluate period-to-period comparisons. We believe the presentation of revenue on a constant currency basis in addition to the U.S. GAAP presentation helps improve the ability to understand our performance because it excludes the effects of foreign currency volatility that are not indicative of our core operating results. We calculate the percentage change in constant currency by determining the change in the current period revenue over the prior comparable period where current period foreign currency revenue is translated using the exchange rates of the comparative period.

Our business is seasonal, reflecting typical travel behavior patterns over the course of the calendar year. In a typical year, the first, second, and third quarters have higher Nights and Experiences Booked than the fourth quarter, as guests plan for travel during the peak travel season, which is in the third quarter for North America and EMEA. Our business metrics, including GBV and Adjusted EBITDA, can also be impacted by the timing of holidays and other events. We experience seasonality in our GBV that is generally consistent with the seasonality of Nights and Experiences Booked. Revenue and Adjusted EBITDA have historically been, and are expected to continue to be, highest in the third quarter when we have the most check-ins, which is the point at which we recognize revenue. Seasonal trends in our GBV impact Free Cash Flow for any given quarter. Our costs are relatively fixed across quarters or vary in line with the volume of transactions, and we historically achieve our highest GBV in the first and second quarters of the year with comparatively lower check-ins. As a result, increases in unearned fees make our Free Cash Flow and Free Cash Flow as a percentage of revenue the highest in the first two quarters of the year. We typically see a slight decline in GBV and a peak in check-ins in the third quarter, which results in a decrease in unearned fees and a lower sequential decrease in Free Cash Flow, and a greater decline in GBV in the fourth quarter, where Free Cash Flow is typically lower. As our business matures and travel continues to recover post the COVID-19 pandemic, other seasonal trends may develop, or these existing seasonal trends may become more extreme.

The following table sets forth our results of operations for the periods presented (in millions):