PROOFPOINT INC

CUSIP: 743424AD5 Class: NOTE

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q2 2018
Shares 18,038,000 Value ($000) $26,524 Avg Close — Range —
Q1 2018
Shares 24,174,000 Value ($000) $35,382 Avg Close — Range —
Q4 2017
Shares 24,162,000 Value ($000) $30,331 Avg Close — Range —
Q3 2017
Shares 24,187,000 Value ($000) $30,317 Avg Close — Range —
Q2 2017
Shares 23,038,000 Value ($000) $28,789 Avg Close — Range —
Q1 2017
Shares 7,876,000 Value ($000) $8,983 Avg Close — Range —
Q4 2016
Shares 7,871,000 Value ($000) $8,908 Avg Close — Range —
Q3 2016
Shares 8,021,000 Value ($000) $9,293 Avg Close — Range —
Q2 2016
Shares 3,702,000 Value ($000) $3,991 Avg Close — Range —