DIGITAL GENERATION INC

CUSIP: 25400B108 Class: COM

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

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

Q4 2013
Shares 6,576 Value ($000) $84 Avg Close — Range —
Q2 2013
Shares 30,212 Value ($000) $223 Avg Close — Range —