Clean Energy to Report First Quarter 2015 Financial Results on May 11; Conference Call To Follow at 1:30 p.m. Pacific

Clean Energy Fuels Corp. (Nasdaq:CLNE) announced today it will release financial results for the first quarter of 2015 on Monday, May 11, 2015 after market close, followed by an investor conference call at 4:30 p.m. Eastern time (1:30 p.m. Pacific). President and Chief Executive Officer of Clean Energy Andrew J. Littlefair and Chief Financial Officer Bob Vreeland will host the call.

Investors interested in participating in the live call can dial 1.877.407.4018 from the U.S. and international callers can dial 1.201.689.8471. A telephone replay will be available approximately two hours after the call concludes through Thursday, June 11 by dialing 1.877.870.5176 from the U.S., or 1.858.384.5517 from international locations, and entering Replay Pin Number 13606820.

There also will be a simultaneous, live webcast available on the Investor Relations section of the Company's web site at www.cleanenergyfuels.com, which will be available for replay for 30 days.

About Clean Energy Fuels Corp.

Clean Energy Fuels Corp. (Nasdaq: CLNE) is the largest provider of natural gas fuel for transportation in North America. We build and operate compressed natural gas (CNG) and liquefied natural gas (LNG) fueling stations; manufacture CNG and LNG equipment and technologies for ourselves and other companies; develop renewable natural gas (RNG) production facilities; and deliver more CNG, LNG and Redeem RNG fuel than any other company in the U.S. For more information, visit www.cleanenergyfuels.com.

Investor Contact:Clean Energy Fuels Corp.Tony KritzerDirector of Investor Relations949.437.1403