CSN Mineração S.A. (BOVESPA:CMIN3) announces a share repurchase program. Under the program, the company will repurchase up to 106,000,000 common shares. The program will be funded from available resources.

The repurchased shares will be held for permanence in treasury and subsequent disposal or cancellation, pursuant to the provisions of Article 3 of CVM Resolution No. 77/2022. The program is valid till May 1, 2023.