OPOWER INC

CUSIP: 68375Y109 Class: COMM STK

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

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

Q1 2016
Shares 7,605 Value ($000) $52 Avg Close — Range —
Q1 2015
Shares 4,086 Value ($000) $41 Avg Close — Range —
Q3 2014
Shares 100 Value ($000) $2 Avg Close — Range —