GEVO INC

CUSIP: 374396109 Class: CMN

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q3 2013
Shares 800 Value ($000) $2 Avg Close — Range —
Q2 2013
Shares 800 Value ($000) $2 Avg Close — Range —