PLUM CREEK TIMBER CO INC

CUSIP: 729251108 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2015
Shares 726,959 Value ($000) $34,690 Avg Close — Range —
Q3 2015
Shares 791,296 Value ($000) $31,320 Avg Close — Range —
Q2 2015
Shares 726,244 Value ($000) $29,465 Avg Close — Range —
Q1 2015
Shares 710,142 Value ($000) $30,857 Avg Close — Range —
Q4 2014
Shares 708,972 Value ($000) $30,338 Avg Close — Range —
Q3 2014
Shares 689,810 Value ($000) $26,907 Avg Close — Range —
Q2 2014
Shares 691,820 Value ($000) $31,201 Avg Close — Range —
Q1 2014
Shares 651,045 Value ($000) $27,368 Avg Close — Range —
Q4 2013
Shares 635,943 Value ($000) $29,578 Avg Close — Range —
Q3 2013
Shares 650,642 Value ($000) $30,470 Avg Close — Range —
Q2 2013
Shares 632,648 Value ($000) $29,527 Avg Close — Range —