PROOFPOINT INC

CUSIP: 743424AF0 Class: NOTE

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

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

Q2 2021
Shares 175,000 Value ($000) $220 Avg Close — Range —
Q1 2021
Shares 175,000 Value ($000) $188 Avg Close — Range —
Q4 2020
Shares 175,000 Value ($000) $197 Avg Close — Range —
Q3 2020
Shares 175,000 Value ($000) $175 Avg Close — Range —