SÃO PAULO, Nov. 29, 2023 /PRNewswire/ -- Companhia Siderúrgica Nacional (" CSN ") (NYSE: SID ) announced today that its subsidiary, CSN Resources S.A. (" CSN Resources "), has commenced a cash tender offer (the " Tender Offer ") for any and all of its outstanding 7.625% Senior Unsecured Guaranteed Notes due 2026 (the " Notes "). The Notes are fully, unconditionally and irrevocably guaranteed by CSN.