WEST CORP

CUSIP: 952355204 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q2 2017
Shares 114,550 Value ($000) $2,672 Avg Close — Range —
Q1 2017
Shares 115,154 Value ($000) $2,813 Avg Close — Range —
Q4 2016
Shares 115,168 Value ($000) $2,852 Avg Close — Range —
Q3 2016
Shares 96,530 Value ($000) $2,132 Avg Close — Range —
Q2 2016
Shares 61,828 Value ($000) $1,216 Avg Close — Range —
Q1 2016
Shares 50,875 Value ($000) $1,161 Avg Close — Range —
Q4 2015
Shares 50,882 Value ($000) $1,098 Avg Close — Range —
Q3 2015
Shares 51,025 Value ($000) $1,143 Avg Close — Range —
Q2 2015
Shares 56,341 Value ($000) $1,696 Avg Close — Range —
Q1 2015
Shares 44,089 Value ($000) $1,488 Avg Close — Range —
Q4 2014
Shares 56,590 Value ($000) $1,868 Avg Close — Range —
Q3 2014
Shares 57,838 Value ($000) $1,704 Avg Close — Range —
Q2 2014
Shares 46,434 Value ($000) $1,245 Avg Close — Range —