PTC THERAPEUTICS INC

CUSIP: 69366JAA9 Class: CONV

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

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

Q2 2016
Shares 10,998,000 Value ($000) $5,229 Avg Close — Range —
Q1 2016
Shares 10,998,000 Value ($000) $4,189 Avg Close — Range —
Q4 2015
Shares 10,998,000 Value ($000) $10,183 Avg Close — Range —
Q3 2015
Shares 12,598,000 Value ($000) $11,137 Avg Close — Range —