PLUM CREEK TIMBER CO INC

CUSIP: 729251108 Class: COM

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q4 2013
Shares 282,009 Value ($000) $13,116 Avg Close — Range —
Q3 2013
Shares 281,068 Value ($000) $13,162 Avg Close — Range —
Q2 2013
Shares 265,896 Value ($000) $12,409 Avg Close — Range —