EXA CORP

CUSIP: 300614500 Class: COM

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

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

Q3 2013
Shares 44,793 Value ($000) $694 Avg Close — Range —
Q2 2013
Shares 62,518 Value ($000) $644 Avg Close — Range —