DRESSER-RAND GROUP INC

CUSIP: 261608103 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2015
Shares 89,039 Value ($000) $7,584 Avg Close — Range —
Q1 2015
Shares 85,256 Value ($000) $6,851 Avg Close — Range —
Q4 2014
Shares 191,011 Value ($000) $15,625 Avg Close — Range —
Q1 2014
Shares 12,665 Value ($000) $740 Avg Close — Range —