RELIANCE, INC. — Director's Dealing 2010

Dec 23, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RELIANCE STEEL & ALUMINUM CO (RS)
CIK: 0000861884
Period of Report: 2010-12-22

Reporting Person: RUSTAND KAY (VP, General Counsel, Corp Sec)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-22	Common Stock	M	2500	$33.70	Acquired	25514	Direct
2010-12-22	Common Stock	S	2500	$51.78	Disposed	23014	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-22	Options to Acquire Common Stock	$33.70	M	2500	Disposed	2016-04-27	Common Stock (2500)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1052	Indirect
Common Stock	624	Indirect
Common Stock	1800	Indirect

Footnotes

F1: The price reported represents the weighted average sale price of the shares disposed of. The actual sale prices ranged from $51.77 to $51.80. The Reporting Person has provided to the Issuer and hereby undertakes to provide upon request by the U.S. Securities and Exchange Commission Staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F2: The Company received the allocation for the 2009 plan year under the Reliance Steel & Aluminum Co. Employee Stock Ownership Plan ("ESOP") on May 18, 2010. The Reporting Person acquired 112 ESOP shares for the 2009 plan year.

F3: The options vested and became exercisable in four equal annual installments beginning on April 27, 2010 which was the first anniversary of the date on which the options were granted.

F4: In the aggregate, the Reporting Person beneficially owns a total of 37,500 options (with various exercise prices and expiration dates) as of the date of this report.