PSIVIDA CORP

CUSIP: 74440J101 Class: COM

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

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

Q4 2016
Shares 100 Value ($000) $0 Avg Close — Range —
Q4 2015
Shares 2,279 Value ($000) $11 Avg Close — Range —
Q3 2015
Shares 2,504 Value ($000) $9 Avg Close — Range —
Q2 2015
Shares 9,846 Value ($000) $37 Avg Close — Range —