OLYMPIC STEEL INC

Ticker: ZEUS CUSIP: 68162K106 Class: Common Stock

BOKF, NA's Holding History (CIK: 0000009634)

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

Q2 2017

Shares 8,725 Value ($000) $170 Avg Close $18.32 Range $15.83 - $24.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	8,725	$170	$18.32	$15.83 - $24.00