PROOFPOINT INC

CUSIP: 743424103 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q3 2013
Shares 66,526 Value ($000) $2,137 Avg Close — Range —
Q2 2013
Shares 146,404 Value ($000) $3,550 Avg Close — Range —