PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q3 2015
Shares 67,525 Value ($000) $928 Avg Close — Range —
Q2 2015
Shares 65,052 Value ($000) $669 Avg Close — Range —
Q1 2015
Shares 71,678 Value ($000) $685 Avg Close — Range —
Q4 2014
Shares 59,059 Value ($000) $627 Avg Close — Range —
Q3 2014
Shares 55,282 Value ($000) $662 Avg Close — Range —
Q2 2014
Shares 54,005 Value ($000) $721 Avg Close — Range —
Q1 2014
Shares 53,180 Value ($000) $641 Avg Close — Range —
Q4 2013
Shares 44,048 Value ($000) $511 Avg Close — Range —
Q3 2013
Shares 40,851 Value ($000) $407 Avg Close — Range —
Q2 2013
Shares 156,655 Value ($000) $1,891 Avg Close — Range —