WEST CORP

CUSIP: 952355AN5 Class: CORP

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q3 2016
Shares 4,575,000 Value ($000) $4,501 Avg Close — Range —
Q2 2016
Shares 4,575,000 Value ($000) $4,272 Avg Close — Range —
Q1 2016
Shares 4,575,000 Value ($000) $4,214 Avg Close — Range —
Q4 2015
Shares 4,500,000 Value ($000) $3,910 Avg Close — Range —
Q3 2015
Shares 3,000,000 Value ($000) $2,783 Avg Close — Range —
Q2 2015
Shares 2,000,000 Value ($000) $1,878 Avg Close — Range —
Q1 2015
Shares 2,000,000 Value ($000) $1,960 Avg Close — Range —