PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q3 2015
Shares 20,408 Value ($000) $280 Avg Close — Range —
Q2 2015
Shares 20,408 Value ($000) $210 Avg Close — Range —
Q1 2015
Shares 20,408 Value ($000) $195 Avg Close — Range —
Q4 2014
Shares 20,408 Value ($000) $217 Avg Close — Range —
Q3 2014
Shares 20,408 Value ($000) $244 Avg Close — Range —
Q2 2014
Shares 20,408 Value ($000) $272 Avg Close — Range —
Q1 2014
Shares 20,408 Value ($000) $246 Avg Close — Range —
Q4 2013
Shares 31,600 Value ($000) $366 Avg Close — Range —
Q3 2013
Shares 31,600 Value ($000) $315 Avg Close — Range —
Q2 2013
Shares 31,600 Value ($000) $381 Avg Close — Range —