GEVO INC

CUSIP: 374396109 Class: CMN

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2013
Shares 10,071 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 33,140 Value ($000) $64 Avg Close — Range —
Q2 2013
Shares 17,461 Value ($000) $35 Avg Close — Range —