WEST CORP

CUSIP: 952355204 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q3 2014
Shares 8,646 Value ($000) $255 Avg Close — Range —
Q2 2014
Shares 8,883 Value ($000) $238 Avg Close — Range —