STOCK OPTION AGREEMENT
This Option Agreement (the "Agreement") is made as of the 9th day of October, 1998, between Mueller
Industries, Inc., a Delaware corporation (the "Company"), and William D. O'Hagan (the "Optionee").
WHEREAS, the Company desires to afford the Optionee the opportunity to purchase shares of Common Stock,
par value $.01 per share (the "Common Stock"), of the Company.
NOW, THEREFORE, in connection with the mutual covenants hereinafter set forth and for other good and
valuable consideration, the receipt and adequacy of which is hereby acknowledged, the parties hereto agree as
1. Grant of Option. By action of its Board of Directors dated October 9, 1998, the Company hereby grants to
the Optionee the right and option (the "Option") to purchase up to, but not exceeding in the aggregate, 200,000
shares of Common Stock, on the terms and conditions herein set forth. Provided that the Compensation
Committee gives its prior written approval, Optionee shall have the right to transfer all or part of the options
granted hereunder to family members or family trusts.
2. Definitions; Conflicts. The Option is not being granted pursuant to the Mueller Industries, Inc. 1994 Stock
Option Plan (the "Plan"), and shall be exercisable only for shares of Common Stock held in treasury by the
Company. The Company shall at all times maintain a sufficient number of treasury shares to allow for the exercise
of the vested and exercisable portion of the Option. Notwithstanding that the Option is not being granted under
the Plan, the terms and provisions of the Plan are incorporated herein by reference as if it had been so granted,
except for the provisions of Sections 3, 5(h) and 8 thereof.
3. Purchase Price. The purchase price of each share of Common Stock covered by the Option shall be
$15.9375 (the "Purchase Price").
4. Term of Options. The term of the Option shall be ten (10) years from the date hereof, subject to earlier
termination as provided in
Section 6 hereof.
5. Vesting of