UNIVERSAL STAINLESS & ALLOY

CUSIP: 913837100 Class: Common Stock

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

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

Q1 2017
Shares 1,000 Value ($000) $17 Avg Close — Range —
Q3 2016
Shares 1,700 Value ($000) $18 Avg Close — Range —
Q2 2016
Shares 3,400 Value ($000) $37 Avg Close — Range —
Q4 2015
Shares 800 Value ($000) $7 Avg Close — Range —