PLUM CREEK TIMBER CO INC

CUSIP: 729251108 Class: COM

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

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

Q2 2015
Shares 49,507 Value ($000) $2,008 Avg Close — Range —
Q3 2014
Shares 21,828 Value ($000) $851 Avg Close — Range —