PREMIERE GLOBAL SVCS INC

CUSIP: 740585104 Class: CMN

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q3 2013
Shares 18,500 Value ($000) $184 Avg Close — Range —
Q2 2013
Shares 18,500 Value ($000) $223 Avg Close — Range —