MUELLER INDUSTRIES INC — Director's Dealing 2011

May 6, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MUELLER INDUSTRIES INC (mli)
CIK: 0000089439
Period of Report: 2011-05-04

Reporting Person: HERMANSON TERRY (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Common Stock	M	2000	$37.33	Acquired	3000	Direct
2011-05-04	Common Stock	F	1919	$38.89	Disposed	1081	Direct
2011-05-05	Common Stock	A	1000	—	Acquired	2081	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-04	Stock Option (Right to Buy)	$37.33	M	2000	Disposed	2011-05-04	Common Stock (2000)	Direct
2011-05-05	Stock Option (Right to Buy)	$36.94	A	2000	Acquired	2021-05-05	Common Stock (2000)	Direct

Footnotes

F1: These shares shall vest on the first anniversary of the Vesting Commencement Date.