SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person* LEUCADIA NATIONAL CORP (Last) (First) (Middle) 315 PARK AVE SOUTH (Street) NEW YORK NY 10010 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/29/2011	3. Issuer Name and Ticker or Trading Symbol MUELLER INDUSTRIES INC [ MLI ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	3,816,046	I(1)	See Explanation(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* LEUCADIA NATIONAL CORP (Last) (First) (Middle) 315 PARK AVE SOUTH (Street) NEW YORK NY 10010 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Baldwin Enterprises, Inc. (Last) (First) (Middle) 529 EAST SOUTH TEMPLE (Street) SALT LAKE CITY UT 84102 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* PHLCORP HOLDING LLC (Last) (First) (Middle) 529 EAST SOUTH TEMPLE (Street) SALT LAKE CITY UT 84102 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BEI Arch Holdings, LLC (Last) (First) (Middle) 529 EAST SOUTH TEMPLE (Street) SALT LAKE CITY UT 84102 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BEI-Longhorn LLC (Last) (First) (Middle) 529 EAST SOUTH TEMPLE (Street) SALT LAKE CITY UT 84102 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Reflects shares of Mueller Industries, Inc. common stock directly owned by BEI-Longhorn, LLC ("BEI Longhorn") and indirectly owned by BEI Arch Holdings, LLC ("BEI Arch"), Baldwin Enterprises, Inc. ("Baldwin"), Phlcorp Holding LLC ("Phlcorp") and Leucadia National Corporation ("Leucadia"). BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia. See Exhibit 99.1.

Remarks:

	Leucadia National Corporation, /s/ Barbara L. Lowenthal, Vice President and Comptroller	08/03/2011
	** 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 5 (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).
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