MUELLER INDUSTRIES INC — Director's Dealing 2012

May 4, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MUELLER INDUSTRIES INC (MLI)
CIK: 0000089439
Period of Report: 2012-05-02

Reporting Person: FULVIO GENNARO J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-02	Common Stock	M	2000	$33.345	Acquired	3000	Direct
2012-05-02	Common Stock	F	1458	$45.715	Disposed	1542	Direct
2012-05-03	Common Stock	A	1000	—	Acquired	2542	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-02	Stock Options (Right to Buy)	$33.345	M	2000	Disposed	2012-05-03	Common Stock (2000)	Direct
2012-05-03	Stock Options (Right to Buy)	$46.38	A	2000	Acquired	2022-05-03	Common Stock (2000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11081	Indirect

Footnotes

F1: These shares will vest on May 3, 2013.

F2: Represents shares of common stock held by Mr. Fulvio's spouse.

F3: In May of 2011, Mr. Fulvio gifted 81 shares of common stock to his spouse. This gift was not previously reported.