X0202 4 2007-05-24 0001368265 Clean Energy Fuels Corp. CLNE 0001400209 Littlefair Andrew J 3020 OLD RANCH PARKWAY, SUITE 200 SEAL BEACH CA 90740 1 1 0 0 President & CEO Stock Option (right to buy) 12.00 2007-05-24 4 A 0 525000 0 A 2017-05-24 Common Stock 525000 525000 D The stock option was granted to the reporting person under the Issuer's 2006 Equity Incentive Plan. The option vests as to 1/6 of the total shares subject to the option upon effectiveness of the Issuer's initial public offering, 1/6 will vest upon the completion of six months of service following the effective date of the offering, and thereafter, 1/3 will vest upon the completion of each subsequent year of service until the option is fully vested. /s/ Mitchell W. Pratt, Attorney-in-Fact 2007-05-25