Stock Trading History of Mitchell Warren I

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Mitchell Warren I since year 2005. The trader's CIK number is 1400256. At the time of this reporting, Mitchell Warren I is the Director of Clean Energy Fuels Corp. . (stock ticker symbol CLNE). See this page for all insider trading activities at Clean Energy Fuels Corp. .

Stock purchases, sales, and option exercises reported by insider *Mitchell Warren I* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-28	CLNE	Clean Energy Fuels Corp.	Option Exercise	5,000	2.96	14,800
2008-05-29	CLNE	Clean Energy Fuels Corp.	Sale	5,000	14.65	73,238
2008-05-28	CLNE	Clean Energy Fuels Corp.	Sale	5,000	14.21	71,050
2008-05-29	CLNE	Clean Energy Fuels Corp.	Option Exercise	5,000	2.96	14,800
2007-06-22	CLNE	Clean Energy Fuels Corp.	Sale	19,764	11.30	223,333
2007-06-06	CLNE	Clean Energy Fuels Corp.	Purchase	100	12.71	1,271

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Mitchell Warren I (Director of Clean Energy Fuels Corp. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.