BAKER HUGHES INC

CUSIP: 57224107 Class: Common Stock

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

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

Q3 2016
Shares 20,102 Value ($000) $1,015 Avg Close — Range —
Q2 2016
Shares 75,279 Value ($000) $3,397 Avg Close — Range —
Q3 2015
Shares 36,311 Value ($000) $1,890 Avg Close — Range —
Q1 2015
Shares 13,572 Value ($000) $863 Avg Close — Range —
Q4 2014
Shares 16,476 Value ($000) $924 Avg Close — Range —