Announcement of Private Exchange Offer for Any and All of CSN Inova Ventures’ Outstanding 6.750% Senior Notes due 2028 and Consent Solicitation

São Paulo, July 30, 2026 (GLOBE NEWSWIRE) -- Companhia Siderúrgica Nacional (“CSN”) (NYSE: SID) announced today that its subsidiary, CSN Inova Ventures (formerly CSN Islands XI Corp.) (the “Issuer”), an exempted company incorporated under the laws of the Cayman Islands and a direct wholly-owned subsidiary of CSN, has commenced an offer to exchange (the “Exchange Offer”) any and all of its outstanding 6.750% Senior Notes due 2028 (the “2028 Notes”) held by Eligible Holders, as defined below, for the Issuer’s 11.000% Senior Notes due 2030 (the “New Notes”) and cash. The 2028 Notes are fully, unconditionally and irrevocably guaranteed by CSN.

The New Notes are subject to an interest rate decrease by 50 basis points to 10.500% per annum if (i) the aggregate principal amount of the New Notes is reduced by at least US$200 million and (ii) such reduction occurs and is given effect by DTC at any time prior to February 12, 2028 (the “Step Down Deadline”). The Issuer may redeem the New Notes, in whole or in part, at any time and from time to time, at a redemption price equal to 100% of the principal amount of New Notes plus accrued and unpaid interest to, but excluding, the redemption date.