RNG Continues to Lead as the Easy-to-Switch Clean Fuel for Multi-Sector Fleets Signing New Agreements With Clean Energy

Clean Energy Fuels Corp. (NASDAQ: CLNE), the largest provider of the cleanest fuel for the transportation market, has announced a slew of deals with trucking, refuse, and transit fleets nationwide. The agreements span renewable natural gas (RNG) fueling infrastructure and RNG supply, representing the continued growth of clean fuel adoption across multiple sectors.

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Clean Energy Renewable Natural Gas (RNG) Station, LAX, Los Angeles, California

"2025 was a rough year for other alternatives that didn't live up to the hype. But fleets continue to seek proven solutions to meet sustainability targets and they're finding that the RNG metrics deliver on multiple fronts – it's clean, affordable, has diesel-like capability, is domestically produced, and there is a robust fueling infrastructure already in place," said Chad Lindholm, senior vice president at Clean Energy. "These new agreements that we're announcing today reflect that growing recognition across diverse fleet applications."

Clean Energy has extended its partnership with Ecology Transportation Services, one of Southern California's largest adopters of RNG for trucking. The agreement will supply Ecology's fleet of 150 RNG vehicles with an estimated 2.1 million gallons of RNG annually. The trucks will fuel at Clean Energy stations across California, Arizona, and Nevada.

Clean Energy's long-term partner Recology, one of the largest waste haulers in the western U.S., is expanding its commitment to RNG with upgrades to its fueling station in Seattle and a newly completed station in Snohomish, WA. Clean Energy will provide operations and maintenance services for both sites, supporting Recology's growth in the greater Seattle region. Clean Energy continues to partner with WM, providing operations and maintenance services for more than 85 WM RNG stations across the U.S. and Canada, helping to keep 8,000 of WM's RNG-powered refuse trucks on the road.

Washington Metropolitan Area Transit Authority (WMATA) has extended its relationship with Clean Energy, awarding a new operations and maintenance contract to support its natural gas bus fleet. The agreement covers five million gallons of fuel to support over 400 buses which will serve the local community. Clean Energy has provided services for WMATA stations for over a decade, and the transit agency recently commissioned two new natural gas stations to serve its fleet.

Clean Energy has signed an operations and maintenance agreement with ABM Facility Services to maintain three transit bus fueling stations for the City of Phoenix. Clean Energy has maintained the sites since 2016, which supply RNG to 335 natural gas buses, dispensing approximately 4.7 million gallons of fuel annually.

Clean Energy will begin providing RNG to 78 Arlington Transit (ART) buses in Virginia, totaling approximately 750,000 gallons annually. ART selected Clean Energy through a competitive process for RNG supply to support its GHG emissions reduction goals. Clean Energy will continue to provide repair and maintenance services to ART.

The City of Scottsdale, AZ, has extended its maintenance contract with Clean Energy to continue supporting 49 of its refuse vehicles with approximately 441,000 gallons of fuel each year. The city has long utilized natural gas vehicles for its waste operations, demonstrating its commitment to cleaner municipal services.

Clean Energy will continue to operate and maintain Nashville International Airport's natural gas station under a new agreement to provide 63 shuttle buses and fleet vehicles with approximately 350,000 gallons of fuel annually. Since designing and building their fueling site in 2016, Clean Energy has helped the airport move towards cleaner ground transportation aligned with the airport's sustainability goals.

The City of Fort Smith in Arkansas has signed an RNG supply agreement to fuel its refuse trucks. Clean Energy built the city's RNG station in 2021 and continues to maintain the site since commissioning.

According to the EPA, agriculture accounts for nearly 10 percent of U.S. GHG emissions, and the transportation sector accounts for another 28%. Capturing waste methane from farms and turning it into a transportation fuel reduces emissions in both industries. RNG is one of the only fuels to receive a negative carbon-intensity rating, significantly lowering GHG emissions on a lifecycle basis when compared to diesel, and it costs significantly less than diesel at the pump.

About Clean Energy

Clean Energy Fuels Corp. is the country's largest provider of the cleanest fuel for the transportation market. Our mission is to decarbonize transportation through the development and delivery of renewable natural gas (RNG), a sustainable fuel derived by capturing methane from organic waste. Clean Energy allows thousands of vehicles, from airport shuttles to city buses to waste and heavy-duty trucks, to reduce their amount of climate-harming greenhouse gas. We operate a vast network of fueling stations across the U.S. and Canada as well as RNG production facilities at dairy farms. Visit www.cleanenergyfuels.com and follow @ce_renewables on X and LinkedIn.

Forward-looking Statements

This news release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 that involve risks, uncertainties and assumptions, including without limitation statements about: the amounts and timing of natural gas expected to be produced or consumed; the timing and scope of construction, maintenance, and other projects; the numbers and timing of vehicles expected to be deployed, fueled, maintained, or financed; the characteristics and performance of natural gas engines and trucks; the potential development of the market for RNG; the environmental and other benefits of Clean Energy's fuels; the availability of environmental, tax and other government regulations, programs and incentives; and the impacts of legislative and regulatory developments. Actual results and the timing of events could differ materially from those anticipated in these forward-looking statements. The forward-looking statements made herein speak only as of the date of this press release and, unless otherwise required by law, Clean Energy undertakes no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances. Additionally, the reports and other documents Clean Energy files with the SEC (available at www.sec.gov) contain risk factors, which may cause actual results to differ materially from the forward-looking statements contained in this news release.

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Clean Energy media contact:

Kimberly Fleer

1-949-437-1447

kimberly.fleer@cleanenergyfuels.com

Clean Energy investor contact:

Thomas Driscoll

1-949-437-1191

thomas.driscoll@cleanenergyfuels.com