X0306 4 2013-04-29 0 0000089439 MUELLER INDUSTRIES INC MLI 0001317884 Federbush Alexander Philip 1020 FIFTH AVENUE NEW YORK NY 10028 1 0 0 0 Common Stock 2013-04-29 4 M 0 2000 32.56 A 8000 D Common Stock 2013-04-29 4 F 0 1281 50.82 D 6719 D Common Stock 2000 I See footnote. Stock Option (Right-to-Buy) 32.56 2013-04-29 4 M 0 2000 0 D 2008-05-01 2013-05-01 Common Stock 2000 0 D Includes 1,000 shares owned by a corporation in which Mr. Federbush is an officer and 1,000 shares owned by Mr. Federbush's spouse. Anthony Steinriede, Attorney-in-Fact 2013-04-30