ITEM 7.01 Regulation FD Disclosure

On March 26, 2009, Mueller Industries, Inc. (the "Company") mailed a letter to its stockholders, customers, & employees, a copy of which is attached as Exhibit
99.1. The letter to shareholders may contain certain material non-public information regarding the Company's business, fiscal year 2008 financial results and outlook for fiscal year 2009.

Mueller Industries, Inc. does not intend for this Item 7.01 or Exhibit 99.1 to be treated as "filed" for purposes of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference into its filings under the Securities Act of 1933, as amended.

ITEM 8.01 Other Events

Beginning on or about March 26, 2009, the Company plans to send a letter to certain of its stockholders regarding the Company's 2009 Annual Meeting of Stockholders. A copy of the form of this letter is attached as Exhibit
99.2. Exhibit 99.2 may be deemed "soliciting materials" within the meaning of the Exchange Act and the regulations of the Securities and Exchange Commission ("SEC") issued thereunder.

Important Information

On March 26, 2009, the Company filed a definitive proxy statement with the SEC in connection with its 2009 Annual Meeting of Stockholders. Investors are encouraged to read the proxy statement in its entirety. The proxy statement and any other materials filed by the Company with the SEC can be obtained free of charge at the SEC's website at http://www.sec.gov or from the Company at http://www.muellerindustries.com.

ITEM 9.01 Financial Statements and Exhibits.

(d) Exhibits

99.1 Letter to Stockholders, Customers & Employees
99.2 Form of letter to be sent to certain stockholders beginning on or about March 26, 2009

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