POLYPORE INTL INC

CUSIP: 73179V103 Class: CMN

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q2 2015
Shares 206,612 Value ($000) $12,372 Avg Close — Range —
Q1 2015
Shares 206,612 Value ($000) $12,169 Avg Close — Range —
Q4 2014
Shares 19,690 Value ($000) $926 Avg Close — Range —
Q3 2014
Shares 13,305 Value ($000) $518 Avg Close — Range —
Q2 2014
Shares 13,340 Value ($000) $637 Avg Close — Range —
Q2 2013
Shares 13,560 Value ($000) $546 Avg Close — Range —