OLYMPIC STEEL INC

Ticker: ZEUS CUSIP: 68162K106 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2018

Shares 240 Value ($000) $3 Avg Close $18.17 Range $13.72 - $21.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	240	$3	$18.17	$13.72 - $21.41