PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q3 2015
Shares 1,589,411 Value ($000) $21,839 Avg Close — Range —
Q2 2015
Shares 1,578,204 Value ($000) $16,240 Avg Close — Range —
Q1 2015
Shares 1,638,106 Value ($000) $15,661 Avg Close — Range —
Q4 2014
Shares 1,603,293 Value ($000) $17,027 Avg Close — Range —
Q3 2014
Shares 1,703,196 Value ($000) $20,387 Avg Close — Range —
Q2 2014
Shares 1,567,830 Value ($000) $20,930 Avg Close — Range —
Q1 2014
Shares 1,671,731 Value ($000) $20,161 Avg Close — Range —
Q4 2013
Shares 1,603,307 Value ($000) $18,582 Avg Close — Range —
Q3 2013
Shares 1,543,724 Value ($000) $15,375 Avg Close — Range —
Q2 2013
Shares 1,566,687 Value ($000) $18,910 Avg Close — Range —