PROS HOLDINGS INC

CUSIP: 74346Y103 Class: Common Stock

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

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

Q1 2015
Shares 179,939 Value ($000) $4,446 Avg Close — Range —
Q4 2014
Shares 78,240 Value ($000) $2,150 Avg Close — Range —