ALLEGIANT TRAVEL COMPANYSECOND QUARTER 2026 FINANCIAL RESULTS*

About this update from Allegiant Travel Company

Second quarter 2026 GAAP loss per share of $(0.21) (1) Second quarter 2026 adjusted diluted earnings per share of $2.19 (2)(3)(4) , up 78.0 percent year-over-year * Second quarter results include the financial performance of Sun Country only from and after the date the acquisition closed on May 13, 2026 LAS VEGAS., Aug. 4, 2026 /PRNewswire/ -- Allegiant Travel Company  (NASDAQ: ALGT) today reported the below financial results for second quarter 2026, as well as comparisons to the prior year. "Our record quarterly revenue and strong second-quarter operating margin, achieved despite materially higher fuel costs, demonstrate the strength and resiliency of Allegiant's business model," stated Greg Anderson, chief executive officer of Allegiant Travel Company. "Despite a 6.8 percent capacity reduction, standalone Allegiant increased unit revenue 24.6 percent year over year and expanded adjusted operating margin 0.4 percentage points to 9.0 percent, keeping us on track to rank among the industry leaders in full-year operating margin. "For the combined company, adjusted earnings per share of $2.19 were well above our guidance range. The upside was supported by strong operating results and approximately seven weeks of Sun Country earnings following our mid-May close. We are pleased with the pace of integration and are confident that we will achieve a minimum of $140 million in annual run-rate synergies within three years of close. "Commercially, we are expanding customer choice through Allegiant First, which will debut on select aircraft next year; our new distribution agreement with Expedia, which is bringing in new customers to Allegiant; and our award-winning cobrand credit card, for which bank remuneration increased 23.6 percent year over year. "Looking to the second half of 2026, leisure demand remains strong, and we expect the combined company's third-quarter unit revenue growth to be approximately in line with the 24.6 percent increase achieved by standalone Allegiant in the second quarter. Given fuel volatility, we will continue to trim off-peak flying while preserving the peak-period schedule. For the full year we are introducing combined-company adjusted earnings per share guidance of more than $6.00, reflecting the addition of Sun Country and current fuel prices. "In closing, none of this happens without our team members, and I want to express my gratitude to Team Allegiant and Team Sun Country. We have never been better positioned, and I'm excited to build on this momentum in the quarters ahead as the leading leisure airline in the United States." Second Quarter 2026 Results and Highlights Balance Sheet, Cash and Liquidity Capital Expenditures Guidance, subject to revision Certain forward-looking financial information in the following tables is not presented in accordance with accounting principles generally accepted in the U.S. ("GAAP"). Non-GAAP financial figures may be useful to stakeholders, but should not be considered a substitute for GAAP figures. In reliance on the 'unreasonable efforts' exception in Item 10(e)(1)(i)(B) of SEC Regulation S-K, a reconciliation to the most comparable GAAP financial measure is not provided for adjusted earnings per share and adjusted operating margin in the table below. The Company is not able to reconcile these Non-GAAP financial figures without unreasonable effort because the special charge adjustments will not be known until the end of the indicated future periods and any range of projected values would be too broad to be meaningful. As a result, this information would not be significant to investors. The below guidance is for the combined Allegiant and Sun Country entity. Aircraft Fleet Plan by End of Period The table above is management's best estimate and is provided based on the Company's current plans and is subject to change. The numbers include aircraft expected to be in service at the end of each period and exclude both aircraft that we expect to take delivery of but not to be placed in service until a subsequent period as well as aircraft in temporary storage. The numbers exclude three aircraft owned by the Company but on operating lease to other carriers. Allegiant Travel Company will host a conference call with analysts at 4:30 p.m. ET Tuesday, August 4, 2026 to discuss its second quarter 2026 financial results. A live broadcast of the conference call will be available via the Company's Investor Relations website homepage at http://ir.allegiantair.com . The webcast will also be archived in the "Events & Presentations" section of the website. Allegiant Travel Company Las Vegas-based Allegiant (NASDAQ: ALGT) is an integrated travel company with an airline at its heart, focused on connecting customers with the people, places and experiences that matter most. Through Allegiant Air and Sun Country Airlines, the Company serves approximately 22 million annual customers across scheduled passenger, charter and cargo operations. Together, the airlines operate more than 650 routes serving nearly 175 cities throughout the United States and select international destinations. Allegiant is committed to providing affordable travel options, operational excellence and long-term value for customers, employees, communities and shareholders. For more information, visit us at Allegiant.com. Media information, including photos, is available at http://gofly.us/iiFa303wrtF. Media Inquiries: [email protected] Investor Inquiries: [email protected] Under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, statements in this press release that are not historical facts are forward-looking statements. These forward-looking statements are only estimates or predictions based on our management's beliefs and assumptions and on information currently available to our management. Forward-looking statements include our statements regarding future airline operations, revenue, expenses and earnings, available seat mile growth, expected capital expenditures, the cost of fuel, the timing of aircraft acquisitions and retirements, the number of contracted aircraft to be placed in service in the future, our ability to consummate announced aircraft transactions, estimated tax rate, as well as other information concerning future results of operations, business strategies, financing plans, industry environment and potential growth opportunities. Forward-looking statements include all statements that are not historical facts and can be identified by the use of forward-looking terminology such as the words "believe," "expect," "guidance," "anticipate," "intend," "plan," "estimate", "project", "hope" or similar expressions. Forward-looking statements involve risks, uncertainties and assumptions. Actual results may differ materially from those expressed in the forward-looking statements. Important risk factors that could cause our results to differ materially from those expressed in the forward-looking statements generally may be found in our periodic reports filed with the Securities and Exchange Commission at www.sec.gov. These risk factors include, without limitation, regulatory reviews of, and production limits on, Boeing impacting our aircraft delivery schedule, an accident involving, or problems with, our aircraft, public perception of our safety, our reliance on our automated systems, our reliance on Boeing to deliver aircraft under contract to us on a timely basis, risk of breach of security of personal data, volatility of fuel costs, labor issues and costs, the ability to obtain regulatory approvals as needed in connection with our fleet and network, the effect of economic conditions on leisure travel, debt covenants and balances, the impact of government regulations on the airline industry, the ability to finance aircraft to be acquired, the ability to obtain necessary government approvals to offer international service, terrorist attacks, risks inherent to airlines, our competitive environment, our reliance on third parties who provide facilities or services to us, the impact of the possible loss of key personnel, economic and other conditions in markets in which we operate, increases in maintenance costs and availability of outside maintenance contractors to perform needed work on our aircraft on a timely basis and at acceptable rates, cyclical and seasonal fluctuations in our operating results, the perceived acceptability of our environmental, social and governance efforts, the risk that the combined company after the Sun Country acquisition will not realize expected benefits, cost savings, accretion, synergies and/or growth from the Sun Country acquisition or that any of the foregoing may take longer to realize or be more costly to achieve than expected, the diversion of management's attention and time from ongoing business operations and opportunities to integration matters, the risk that the integration of Sun Country's operations will be materially delayed or will be more costly or difficult than expected or that Allegiant is otherwise unable to successfully integrate Sun Country's businesses into its businesses, and reputational risk and potential adverse reactions of Allegiant's or Sun Country's customers, suppliers, employees, labor unions or other business partners, including those resulting from the completion of the Sun Country acquisition and the integration of the companies. Any forward-looking statements are based on information available to us today and we undertake no obligation to update publicly any forward-looking statements, whether as a result of future events, new information or otherwise. Detailed financial information follows:

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