WEST CORP

CUSIP: 952355204 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q3 2017
Shares 1,233 Value ($000) $29 Avg Close — Range —
Q2 2017
Shares 1,233 Value ($000) $29 Avg Close — Range —
Q1 2017
Shares 1,233 Value ($000) $30 Avg Close — Range —
Q4 2016
Shares 1,233 Value ($000) $31 Avg Close — Range —
Q3 2016
Shares 1,233 Value ($000) $27 Avg Close — Range —
Q2 2016
Shares 978 Value ($000) $19 Avg Close — Range —
Q1 2016
Shares 978 Value ($000) $22 Avg Close — Range —
Q4 2015
Shares 978 Value ($000) $21 Avg Close — Range —
Q3 2015
Shares 409 Value ($000) $9 Avg Close — Range —
Q2 2015
Shares 209 Value ($000) $6 Avg Close — Range —