STEEL EXCEL INC

CUSIP: 858122203 Class: COM

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

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

Q1 2016
Shares 685 Value ($000) $7 Avg Close — Range —
Q4 2015
Shares 885 Value ($000) $13 Avg Close — Range —