PROOFPOINT INC

CUSIP: 743424AC7 Class: CONVERT

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

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

Q1 2016
Shares 26,264,000 Value ($000) $25,424 Avg Close — Range —
Q4 2015
Shares 26,264,000 Value ($000) $27,963 Avg Close — Range —
Q3 2015
Shares 31,760,000 Value ($000) $33,529 Avg Close — Range —
Q2 2015
Shares 28,496,000 Value ($000) $30,834 Avg Close — Range —