PROOFPOINT INC

CUSIP: 743424AA1 Class: CONV BND

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

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

Q3 2014
Shares 21,571,000 Value ($000) $25,452 Avg Close — Range —
Q2 2014
Shares 21,571,000 Value ($000) $26,211 Avg Close — Range —
Q1 2014
Shares 17,000,000 Value ($000) $20,076 Avg Close — Range —
Q4 2013
Shares 16,500,000 Value ($000) $17,753 Avg Close — Range —