MLI insider transactions

Director Goldman Scott Jay sold $255,820 worth of shares (2,000 units at $127.91) as part of a pre-agreed trading plan, decreasing direct ownership by 5% to 40,867 units (SEC Form 4)

Amendment: New insider Pieralisi Daniel claimed ownership of 42,458 shares (SEC Form 3)

Director Hermanson Terry was granted 1,222 shares, increasing direct ownership by 1% to 87,970 units (SEC Form 4)

Director Goldman Scott Jay was granted 1,222 shares, increasing direct ownership by 3% to 42,867 units (SEC Form 4)

Director Drummond William C. was granted 1,222 shares, increasing direct ownership by 7% to 18,485 units (SEC Form 4)

Director Hansen John B was granted 1,222 shares, increasing direct ownership by 1% to 91,886 units (SEC Form 4)

Director Donovan Elizabeth M was granted 1,222 shares, increasing direct ownership by 5% to 28,085 units (SEC Form 4)

Director Herzog Charles P Jr received a gift of 1,222 shares, was granted 1,222 shares and gifted 1,222 shares (SEC Form 4)

Director Gladstein Gary S was granted 1,222 shares, increasing direct ownership by 4% to 32,100 units (SEC Form 4)

New insider Mueller Industries Inc claimed ownership of 42,458 shares (SEC Form 3)

Director Gladstein Gary S covered exercise/tax liability with 919 shares and exercised 9,778 shares at a strike of $12.62, increasing direct ownership by 40% to 30,878 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. sold $14,177,389 worth of shares (103,266 units at $137.29), decreasing direct ownership by 11% to 804,911 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. gifted 26,672 shares, decreasing direct ownership by 2% to 908,177 units (SEC Form 4)

Director Hermanson Terry gifted 13,500 shares, decreasing direct ownership by 13% to 86,748 units (SEC Form 4)

Director Goldman Scott Jay sold $527,037 worth of shares (4,430 units at $118.97), decreasing direct ownership by 10% to 41,645 units (SEC Form 4)

Director Hansen John B sold $116,710 worth of shares (1,000 units at $116.71), decreasing direct ownership by 1% to 90,664 units (SEC Form 4)

Director Goldman Scott Jay exercised 4,978 shares at a strike of $12.62 and covered exercise/tax liability with 548 shares, increasing direct ownership by 11% to 46,075 units (SEC Form 4)

Hermanson Terry decreased direct ownership by 2% to 100,248 units (SEC Form 5)

Goldman Scott Jay decreased direct ownership by 0.24% to 41,645 units (SEC Form 5)

Director Goldman Scott Jay sold $459,964 worth of shares (4,234 units at $108.64), decreasing direct ownership by 9% to 41,745 units (SEC Form 4)

Director Goldman Scott Jay exercised 4,800 shares at a strike of $12.62 and covered exercise/tax liability with 566 shares, increasing direct ownership by 10% to 45,979 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. sold $36,378,440 worth of shares (350,000 units at $103.94), decreasing direct ownership by 16% to 1,069,241 units (SEC Form 4)

Director Hansen John B sold $105,710 worth of shares (1,000 units at $105.71), decreasing direct ownership by 1% to 91,664 units (SEC Form 4)

EVP, CFO & Treasurer Martin Jeffrey Andrew sold $6,312,729 worth of shares (66,029 units at $95.61), decreasing direct ownership by 18% to 305,358 units (SEC Form 4)

EVP, Gen. Counsel, Secretary Miritello Christopher John exercised 5,330 shares at a strike of $12.29, increasing direct ownership by 4% to 131,018 units (SEC Form 4)

Director Hansen John B sold $183,915 worth of shares (2,000 units at $91.96), decreasing direct ownership by 1% to 92,664 units (SEC Form 4)

EVP, CFO & Treasurer Martin Jeffrey Andrew was granted 24,000 shares, increasing direct ownership by 7% to 371,387 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. was granted 90,000 shares, increasing direct ownership by 8% to 1,277,241 units (SEC Form 4)

EVP, Gen. Counsel, Secretary Miritello Christopher John was granted 6,500 shares, increasing direct ownership by 5% to 125,688 units (SEC Form 4)

EVP, CFO & Treasurer Martin Jeffrey Andrew was granted 48,000 shares and covered exercise/tax liability with 43,571 shares, increasing direct ownership by 1% to 347,387 units (SEC Form 4)

EVP, Gen. Counsel, Secretary Miritello Christopher John was granted 15,000 shares and covered exercise/tax liability with 14,353 shares, increasing direct ownership by 0.55% to 119,188 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. was granted 150,000 shares and covered exercise/tax liability with 127,070 shares, increasing direct ownership by 2% to 1,187,241 units (SEC Form 4)

Chief Manufacturing Officer Sigloch Steffen was granted 44,000 shares and covered exercise/tax liability with 45,217 shares, decreasing direct ownership by 1% to 119,158 units (SEC Form 4)

Chief Manufacturing Officer Sigloch Steffen sold $1,617,956 worth of shares (19,585 units at $82.61), decreasing direct ownership by 14% to 120,375 units (SEC Form 4)

Amendment: Chief Manufacturing Officer Sigloch Steffen sold $1,521,128 worth of shares (19,584 units at $77.67), decreasing direct ownership by 12% to 139,960 units (SEC Form 4)

Chief Manufacturing Officer Sigloch Steffen sold $1,521,128 worth of shares (19,584 units at $77.67), decreasing direct ownership by 12% to 139,960 units (SEC Form 4)

Director Hansen John B gifted 250 shares, was granted 2,130 shares and sold $244,353 worth of shares (3,130 units at $78.07), decreasing direct ownership by 1% to 93,664 units (SEC Form 4)

Director Hermanson Terry was granted 2,130 shares, increasing direct ownership by 2% to 102,212 units (SEC Form 4)

Director Drummond William C. was granted 2,130 shares, increasing direct ownership by 14% to 17,263 units (SEC Form 4)

Director Donovan Elizabeth M was granted 2,130 shares, increasing direct ownership by 9% to 26,863 units (SEC Form 4)

Director Herzog Charles P Jr was granted 2,130 shares, gifted 2,130 shares and received a gift of 2,130 shares (SEC Form 4)

Director Gladstein Gary S was granted 2,130 shares, increasing direct ownership by 11% to 22,019 units (SEC Form 4)

Director Goldman Scott Jay was granted 2,130 shares, increasing direct ownership by 5% to 41,745 units (SEC Form 4)

Director Hermanson Terry sold $743,422 worth of shares (10,000 units at $74.34), decreasing direct ownership by 9% to 100,082 units (SEC Form 4)

Director Gladstein Gary S exercised 9,778 shares at a strike of $14.39, increasing direct ownership by 97% to 19,889 units (SEC Form 4)

Director Goldman Scott Jay sold $1,210,901 worth of shares (16,483 units at $73.46), decreasing direct ownership by 29% to 39,615 units (SEC Form 4)

Chief Manufacturing Officer Sigloch Steffen sold $1,466,097 worth of shares (19,584 units at $74.86), decreasing direct ownership by 11% to 159,544 units (SEC Form 4)

Chief Manufacturing Officer Sigloch Steffen sold $1,263,269 worth of shares (15,298 units at $82.58), decreasing direct ownership by 8% to 179,128 units (SEC Form 4)

Chief Manufacturing Officer Sigloch Steffen sold $2,151,586 worth of shares (27,184 units at $79.15), decreasing direct ownership by 12% to 194,426 units (SEC Form 4)

Director Goldman Scott Jay sold $798,100 worth of shares (10,000 units at $79.81), decreasing direct ownership by 15% to 56,098 units (SEC Form 4)

Director Goldman Scott Jay exercised 9,778 shares at a strike of $14.39 and covered exercise/tax liability with 1,756 shares, increasing direct ownership by 14% to 66,098 units (SEC Form 4)

Goldman Scott Jay gifted 200 shares, decreasing direct ownership by 0.34% to 58,076 units (SEC Form 5)

Director Herzog Charles P Jr sold $1,380,600 worth of shares (15,000 units at $92.04) (SEC Form 4)

EVP, Gen. Counsel, Secretary Miritello Christopher John covered exercise/tax liability with 714 shares and exercised 10,000 shares at a strike of $12.29, increasing direct ownership by 8% to 118,541 units (SEC Form 4)

Director Hansen John B sold $83,090 worth of shares (1,000 units at $83.09), decreasing direct ownership by 1% to 94,914 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. sold $7,023,500 worth of shares (100,000 units at $70.23), decreasing direct ownership by 8% to 1,164,311 units (SEC Form 4)

Chairman of the Board & CEO Christopher Gregory L. sold $6,765,300 worth of shares (100,000 units at $67.65), decreasing direct ownership by 7% to 1,264,311 units (SEC Form 4)

Director Hansen John B sold $672,400 worth of shares (10,000 units at $67.24), decreasing direct ownership by 8% to 95,914 units (SEC Form 4)

EVP, Gen. Counsel, Secretary Miritello Christopher John was granted 9,000 shares, increasing direct ownership by 9% to 109,255 units (SEC Form 4)

EVP, CFO & Treasurer Martin Jeffrey Andrew was granted 28,000 shares, increasing direct ownership by 9% to 342,958 units (SEC Form 4)