RESTATED CERTIFICATE OF INCORPORATION
MUELLER INDUSTRIES, INC.
February 8, 2007
Mueller Industries, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby
certifies as follows:
1. The name of the corporation is Mueller Industries, Inc. (the "Corporation"). The Corporation was originally
incorporated under the name MBNR Corporation.
2. The original Certificate of Incorporation of the Corporation was filed with the Secretary of State of the State of
Delaware on October 3, 1990. Certificates of Amendment to the original Certificate of Incorporation were filed
on October 23, 1990 and May 8, 1996.
4. Pursuant to Section 245 of the General Corporation Law of the State of Delaware (the "GCL"), this Restated
Certificate of Incorporation only restates and integrates and does not further amend the provisions of the
Corporation's original Certificate of Incorporation as heretofore amended or supplemented. There is no
discrepancy between the provisions of the original Certificate of Incorporation as heretofore amended or
supplemented and the provisions of the Restated Certificate of Incorporation.
5. This Restated Certificate of Incorporation was duly adopted in accordance with Section 245 of the GCL by
resolution of the Board of Directors of the Corporation at a meeting held on February 8, 2007.
6. The text of the Certificate of Incorporation of the Corporation as heretofore amended or supplemented is
hereby restated to read in its entirety as follows:
The name of the Corporation is MUELLER INDUSTRIES, INC.
The Corporation is organized pursuant to the GCL.
The address of the Corporation's registered office in the State of Delaware is 1209 Orange Street, in the City of
Wilmington, County of New Castle, and the appointed registered agent of the Corporation shall be The
Corporation Trust Company at the address of the Corporation's registered office.
The purposes for which the