PLX TECHNOLOGY INC

CUSIP: 693417107 Class: CMN

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

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

Q1 2014
Shares 266 Value ($000) $2 Avg Close — Range —
Q4 2013
Shares 2,066 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 1,566 Value ($000) $9 Avg Close — Range —
Q2 2013
Shares 8,666 Value ($000) $41 Avg Close — Range —