POLYPORE INTL INC

CUSIP: 73179V103 Class: CMN

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q2 2015
Shares 14,110 Value ($000) $845 Avg Close — Range —
Q1 2015
Shares 18,553 Value ($000) $1,092 Avg Close — Range —
Q4 2014
Shares 64,145 Value ($000) $3,017 Avg Close — Range —
Q3 2014
Shares 79,070 Value ($000) $3,076 Avg Close — Range —
Q2 2014
Shares 78,622 Value ($000) $3,752 Avg Close — Range —
Q1 2014
Shares 142,044 Value ($000) $4,859 Avg Close — Range —
Q4 2013
Shares 356,554 Value ($000) $13,869 Avg Close — Range —
Q3 2013
Shares 457,795 Value ($000) $18,755 Avg Close — Range —
Q2 2013
Shares 455,561 Value ($000) $18,359 Avg Close — Range —