OLYMPIC STEEL INC

Ticker: ZEUS CUSIP: 68162K106 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2013

Shares 66,487 Value ($000) $1,847 Avg Close $27.10 Range $24.46 - $29.48

Q2 2013

Shares 45,609 Value ($000) $1,117 Avg Close $23.38 Range $19.54 - $26.83

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2013	66,487	$1,847	$27.10	$24.46 - $29.48
Q2 2013	45,609	$1,117	$23.38	$19.54 - $26.83