EXA CORP

CUSIP: 300614500 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2016
Shares 200 Value ($000) $3 Avg Close — Range —
Q2 2016
Shares 3,900 Value ($000) $56 Avg Close — Range —
Q1 2016
Shares 300 Value ($000) $4 Avg Close — Range —
Q2 2015
Shares 300 Value ($000) $3 Avg Close — Range —