PROOFPOINT INC

CUSIP: 743424AB9 Class: CONV

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

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

Q1 2016
Shares 2,000,000 Value ($000) $2,925 Avg Close — Range —
Q3 2015
Shares 250,000 Value ($000) $406 Avg Close — Range —
Q2 2015
Shares 339,000 Value ($000) $573 Avg Close — Range —
Q1 2015
Shares 18,354,000 Value ($000) $29,313 Avg Close — Range —
Q4 2014
Shares 17,754,000 Value ($000) $24,400 Avg Close — Range —