GEVO INC

CUSIP: 374396109 Class: CMN

SOMERVILLE KURT F's Holding History (CIK: 0001215208)

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

Q1 2015
Shares 20,000 Value ($000) $4 Avg Close — Range —
Q3 2014
Shares 20,000 Value ($000) $7 Avg Close — Range —
Q2 2014
Shares 10,000 Value ($000) $9 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $12 Avg Close — Range —