COMPUWARE CORP

CUSIP: 205638109 Class: COM

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

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

Q3 2014
Shares 22,298 Value ($000) $237 Avg Close — Range —
Q2 2014
Shares 89,871 Value ($000) $898 Avg Close — Range —
Q1 2014
Shares 133,115 Value ($000) $1,398 Avg Close — Range —
Q2 2013
Shares 10,600 Value ($000) $110 Avg Close — Range —