Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
STEINBERG JOSEPH S
  2. Issuer Name and Ticker or Trading Symbol
MUELLER INDUSTRIES INC [MLI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O LEUCADIA NATIONAL CORPORATION, 315 PARK AVE SOUTH
3. Date of Earliest Transaction (Month/Day/Year)
09/06/2011
(Street)

NEW YORK, NY 10010
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 09/06/2011   P   14,620 A $ 42.3954 (1) 10,149,879 I (2) See Explanation (2)
Common Stock 09/06/2011   P   117,380 A $ 42.9349 (3) 10,267,259 I (2) See Explanation (2)
Common Stock 09/07/2011   P   64,400 A $ 43.319 (4) 10,331,659 I (2) See Explanation (2)
Common Stock 09/07/2011   P   32,600 A $ 44.4876 (5) 10,364,259 I (2) See Explanation (2)
Common Stock 09/08/2011   P   56,571 A $ 44.8605 (6) 10,420,830 I (2) See Explanation (2)
Common Stock 09/08/2011   P   2,029 A $ 45.5809 (7) 10,422,859 I (2) See Explanation (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
STEINBERG JOSEPH S
C/O LEUCADIA NATIONAL CORPORATION
315 PARK AVE SOUTH
NEW YORK, NY 10010
  X      

Signatures

 /s/ Joseph S. Steinberg   09/08/2011
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Reflects weighted average per share purchase price of separately priced transactions at a range of $41.65-$42.65. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.
(2) Reflects shares of Mueller Industries, Inc. common stock beneficially owned by Leucadia National Corporation ("Leucadia"). The Reporting Person is a significant shareholder, a director and the President of Leucadia. The Reporting Person disclaims beneficial ownership of the Issuer's common stock owned directly and indirectly by Leucadia, except to the extent of his pecuniary interest, if any.
(3) Reflects weighted average per share purchase price of separately priced transactions at a range of $42.66-$43.20. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.
(4) Reflects weighted average per share purchase price of separately priced transactions at a range of $43.07-$44.06. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.
(5) Reflects weighted average per share purchase price of separately priced transactions at a range of $44.112-$44.77. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.
(6) Reflects weighted average per share purchase price of separately priced transactions at a range of 44.45-$45.45. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.
(7) Reflects weighted average per share purchase price of separately priced transactions at a range of $45.46-$45.77. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.

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