Exhibit 99.1 PRESS RELEASE Contact: José Luis Tinajero Mario Moreno Cortez Grupo Simec, S.A.B. de C.V. Calzada Lázaro Cárdenas 601 44440 Guadalajara, Jalisco, México 52 55 1165 1025 52 33 3770 6734 GRUPO SIMEC ANNOUNCES RESULTS OF OPERATIONS FOR THE TWELVE-MONTH PERIOD ENDED DECEMBER 31, 2021 AUDITED GUADALAJARA, MEXICO, February 28th, 2022- Grupo Simec, S.A.B. de C.V. (NYSE: SIM) ("Simec") announced today its results of operations for the twelve-month period ended December 31, 2021 and December 31, 2020. T ...