PASCO, Wash. Feb. 12, 2026 — Allegiant (NASDAQ: ALGT) today begins service from Tri-Cities Airport (PSC) to John Wayne Airport, Orange County (SNA) in California. To celebrate, the company is offering one-way fares on the new route as low as $52.* “We’re excited to begin offering Pasco travelers nonstop flights to Southern California,” said Drew Wells, Allegiant’s chief commercial officer. “This expansion reflects our commitment to delivering travel that’s more accessible, affordable, and enjoyable. Our brand of service and low fares continues to resonate with travelers who are looking to build the vacation of their dreams at unbeatable value.” The new flights will operate up to twice weekly. Flight days, times and the lowest fares can be found only at Allegiant.com. “This is such an exciting milestone for our airport and our community,” said Buck Taft, Director of Tri-Cities Airport. “Orange County is a highly requested destination, so we’re especially proud to see this service take flight today. Allegiant has been a valued PSC partner for over two decades, consistently operating routes that provide both affordable and convenient travel options for the Tri-Cities region.” Allegiant offers a unique option to Pasco-area travelers with low base airfare and savings on rental cars and hotels. Travelers can book their entire vacation with Allegiant for less.   *About the introductory one-way fares: Seats and dates are limited and fares are not available on all flights. Flights must be purchased byFeb. 14, 2026 for travel by May 10, 2026. Price displayed includes taxes, carrier charges & government fees. Fare rules, routes and schedules are subject to change without notice. Optional baggage charges and additional restrictions may apply. For more details, optional services and baggage fees, please visit Allegiant.com. Allegiant – Together We FlyTM 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. Since 1999, Allegiant Air has linked travelers in small-to-medium cities to world-class vacation destinations with all-nonstop flights and industry-low average fares. Today, Allegiant serves communities across the nation, with base airfares less than half the cost of the average domestic roundtrip ticket. For more information, visit us at Allegiant.com. Media information, including photos, is available at http://gofly.us/iiFa303wrtF