WEST CORP

CUSIP: 952355204 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q2 2017
Shares 3,700 Value ($000) $86 Avg Close — Range —
Q1 2017
Shares 3,800 Value ($000) $93 Avg Close — Range —
Q4 2016
Shares 3,800 Value ($000) $94 Avg Close — Range —
Q3 2016
Shares 3,700 Value ($000) $82 Avg Close — Range —
Q2 2016
Shares 4,500 Value ($000) $88 Avg Close — Range —
Q1 2016
Shares 4,500 Value ($000) $103 Avg Close — Range —
Q4 2015
Shares 4,500 Value ($000) $97 Avg Close — Range —
Q3 2015
Shares 4,500 Value ($000) $101 Avg Close — Range —
Q2 2015
Shares 4,500 Value ($000) $135 Avg Close — Range —