POLYPORE INTL INC

CUSIP: 73179V103 Class: CMN

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2015
Shares 2,527 Value ($000) $151 Avg Close — Range —
Q1 2015
Shares 527 Value ($000) $31 Avg Close — Range —
Q4 2014
Shares 3,863 Value ($000) $182 Avg Close — Range —
Q3 2014
Shares 2,929 Value ($000) $114 Avg Close — Range —
Q1 2014
Shares 3,394 Value ($000) $116 Avg Close — Range —
Q3 2013
Shares 3,816 Value ($000) $156 Avg Close — Range —