Ternium's Steel Market and Financial Performance

Ternium's Performance Steel Shipments Mexico (thousand tons) 1,679 1,717 1,574 Other Markets (thousand tons) 10% 2,066 1,873 Slabs 791 677 666 558 -18% 185 155 455 201 182 63 1Q22 2Q22 3Q22 4Q22 1Q23 1Q22 2Q22 3Q22 4Q22 1Q23 Southern Region (thousand tons) Steel Shipments 1Q23 587 601 584 589 -8% 544 1Q22 2Q22 3Q22 4Q22 1Q23 Ternium I May 2023 Mexico 67% USA 7% Colombia 4% Brazil 2% Other 2% Other Markets 15% Southern Region 18% 23

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