CLEAN ENERGY FUELS CORP

Ticker: CLNE CUSIP: 184499101 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

Note: Option positions (PUT/CALL) are excluded.

Q1 2012
Shares 15,300 Value ($000) $326 Avg Close — Range —
Q4 2011
Shares 15,300 Value ($000) $191 Avg Close — Range —
Q3 2011
Shares 15,300 Value ($000) $170 Avg Close — Range —