OLYMPIC STEEL INC

Ticker: ZEUS CUSIP: 68162K106 Class: Common Stock

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

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

Q3 2018

Shares 400 Value ($000) $8 Avg Close $21.76 Range $19.92 - $24.23

Q1 2017

Shares 600 Value ($000) $11 Avg Close $22.72 Range $18.05 - $27.93

Q2 2016

Shares 5,800 Value ($000) $158 Avg Close $22.36 Range $15.41 - $27.48

Q1 2016

Shares 3,400 Value ($000) $59 Avg Close $11.88 Range $7.98 - $17.50

Q3 2015

Shares 3,539 Value ($000) $35 Avg Close $12.65 Range $6.40 - $17.92

Q2 2015

Shares 200 Value ($000) $3 Avg Close $16.44 Range $10.44 - $20.93

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	400	$8	$21.76	$19.92 - $24.23
Q1 2017	600	$11	$22.72	$18.05 - $27.93
Q2 2016	5,800	$158	$22.36	$15.41 - $27.48
Q1 2016	3,400	$59	$11.88	$7.98 - $17.50
Q3 2015	3,539	$35	$12.65	$6.40 - $17.92
Q2 2015	200	$3	$16.44	$10.44 - $20.93