MUELLER INDUSTRIES INC — Director's Dealing 2009

May 18, 2009

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: MUELLER INDUSTRIES INC (MLI)
CIK: 0000089439
Period of Report: 2009-05-07

Reporting Person: HANSEN JOHN B (President, Mfg Operations)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4477	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (Right to Buy)	$20.403	2012-02-13	Common Stock (1556)		Direct
Employee Stock Option (Right to Buy)	$16.615	2013-02-10	Common Stock (2490)		Direct
Employee Stock Option (Right to Buy)	$20.718	2014-02-10	Common Stock (3735)		Direct
Employee Stock Option (Right to Buy)	$31.22	2015-02-23	Common Stock (4000)		Direct
Employee Stock Option (Right to Buy)	$35.05	2016-07-28	Common Stock (7500)		Direct
Employee Stock Option (Right to Buy)	$36.91	2017-07-27	Common Stock (6000)		Direct
Employee Stock Option (Right to Buy)	$26.485	2018-07-25	Common Stock (6000)		Direct

Footnotes

F1: 1,245 options exercisable on 2/10/2007 and 2/10/2008

F2: 1,245 options exercisable on 2/10/2007, 2/10/2008, and 2/10/2009

F3: Exercisable in 20% increments annually beginning 2/23/2006

F4: Exercisable in 20% increments annually beginning 7/28/2007

F5: Exercisable in 20% increments annually beginning 7/27/2008

F6: Exercisable in 20% increments annually beginning 7/25/2009