DIGITAL RIV INC

CUSIP: 25388B104 Class: COM

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

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

Q4 2014
Shares 27,960 Value ($000) $691 Avg Close — Range —
Q3 2014
Shares 400 Value ($000) $6 Avg Close — Range —
Q2 2014
Shares 2,000 Value ($000) $31 Avg Close — Range —
Q3 2013
Shares 3,480 Value ($000) $62 Avg Close — Range —
Q2 2013
Shares 8,602 Value ($000) $161 Avg Close — Range —