RYERSON HLDG CORP

Ticker: RYZ CUSIP: 783754104 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2017

Shares 664,826 Value ($000) $6,914 Avg Close $9.33 Range $8.25 - $11.05

Q3 2017

Shares 880,957 Value ($000) $9,558 Avg Close $8.81 Range $7.65 - $11.03

Q2 2017

Shares 1,820,320 Value ($000) $18,021 Avg Close $10.62 Range $7.80 - $14.65

Q1 2017

Shares 709,517 Value ($000) $8,939 Avg Close $11.37 Range $9.25 - $14.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	664,826	$6,914	$9.33	$8.25 - $11.05
Q3 2017	880,957	$9,558	$8.81	$7.65 - $11.03
Q2 2017	1,820,320	$18,021	$10.62	$7.80 - $14.65
Q1 2017	709,517	$8,939	$11.37	$9.25 - $14.85