Form: 4

Statement of changes in beneficial ownership of securities

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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OMB Number: 3235-0287
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
MACBETH JAMES P
(Last) (First) (Middle)
350 S. GRAND AVENUE
SUITE 5100
(Street)
LOS ANGELES CA 90071
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
RELIANCE STEEL & ALUMINUM CO [ RS ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Sr. V.P. Carbon Steel Ops
3. Date of Earliest Transaction (Month/Day/Year)
04/21/2008
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 04/21/2008 M 50,000 A $12.54 108,159 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 300 D $62.13 107,859 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 100 D $62.12 107,759 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 500 D $62.11 107,259 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 600 D $62.08 106,659 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 1,200 D $62.07 105,459 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 2,700 D $62.06 102,759 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 100 D $62.05 102,659 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 900 D $62.04 101,759 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 1,500 D $62.03 100,259 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 600 D $62.02 99,659 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 2,400 D $62.01 97,259 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 600 D $62 96,659 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 300 D $61.99 96,359 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 100 D $61.98 96,259 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 600 D $61.97 95,659 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 100 D $61.96 95,559 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 1,800 D $61.95 93,759 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 100 D $61.94 93,659 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 900 D $61.93 92,759 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 700 D $61.92 92,059 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 900 D $61.91 91,159 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 100 D $61.9 91,059 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 300 D $61.89 90,759 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 500 D $61.88 90,259 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 1,000 D $61.87 89,259 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 800 D $61.86 88,459 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 300 D $61.85 88,159 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 1,200 D $61.84 86,959 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Common Stock 04/21/2008 S 500 D $61.83 86,459 I Held by Trustees of the James and Linda MacBeth 2006 Trust dated April 20, 2006
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Options to Acquire Common Stock $12.54 04/21/2008 M 50,000 10/20/2007 10/20/2008 Common Stock 50,000 $0 150,000 D
Explanation of Responses:
Remarks:
James P. MacBeth by Karla R. Lewis as his Attorney-in-Fact 04/23/2008
** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.