PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

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

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

Q1 2014
Shares 1,937 Value ($000) $23 Avg Close — Range —
Q4 2013
Shares 700 Value ($000) $8 Avg Close — Range —