DRESSER-RAND GROUP INC

CUSIP: 261608103 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2015
Shares 88,285 Value ($000) $7,094 Avg Close — Range —
Q4 2014
Shares 57,736 Value ($000) $4,723 Avg Close — Range —
Q3 2014
Shares 8,296 Value ($000) $682 Avg Close — Range —
Q2 2014
Shares 1,699 Value ($000) $108 Avg Close — Range —
Q1 2014
Shares 974 Value ($000) $57 Avg Close — Range —
Q3 2013
Shares 1,249 Value ($000) $78 Avg Close — Range —
Q2 2013
Shares 153 Value ($000) $9 Avg Close — Range —