PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2015
Shares 2,389,383 Value ($000) $32,830 Avg Close — Range —
Q2 2015
Shares 2,291,682 Value ($000) $23,581 Avg Close — Range —
Q1 2015
Shares 2,262,322 Value ($000) $21,628 Avg Close — Range —
Q4 2014
Shares 2,143,833 Value ($000) $22,767 Avg Close — Range —
Q3 2014
Shares 2,069,326 Value ($000) $24,770 Avg Close — Range —
Q2 2014
Shares 2,029,121 Value ($000) $27,089 Avg Close — Range —
Q1 2014
Shares 1,917,970 Value ($000) $23,130 Avg Close — Range —
Q4 2013
Shares 1,885,731 Value ($000) $21,855 Avg Close — Range —
Q3 2013
Shares 1,915,170 Value ($000) $19,075 Avg Close — Range —
Q2 2013
Shares 1,923,928 Value ($000) $23,222 Avg Close — Range —