GEVO INC

CUSIP: 374396307 Class: COM PAR

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2018
Shares 15 Value ($000) $0 Avg Close — Range —
Q4 2017
Shares 15 Value ($000) $0 Avg Close — Range —
Q3 2017
Shares 115 Value ($000) $0 Avg Close — Range —