PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q3 2015
Shares 84,568 Value ($000) $1,162 Avg Close — Range —
Q2 2015
Shares 84,868 Value ($000) $873 Avg Close — Range —
Q1 2015
Shares 88,074 Value ($000) $842 Avg Close — Range —
Q4 2014
Shares 89,374 Value ($000) $949 Avg Close — Range —
Q3 2014
Shares 88,993 Value ($000) $1,065 Avg Close — Range —
Q2 2014
Shares 88,087 Value ($000) $1,176 Avg Close — Range —
Q1 2014
Shares 87,487 Value ($000) $1,055 Avg Close — Range —
Q4 2013
Shares 87,087 Value ($000) $1,009 Avg Close — Range —
Q3 2013
Shares 86,587 Value ($000) $862 Avg Close — Range —
Q2 2013
Shares 83,835 Value ($000) $1,012 Avg Close — Range —
Q1 2013
Shares 87,025 Value ($000) $956 Avg Close — Range —