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

São Paulo, Aug. 11, 2026 (GLOBE NEWSWIRE) -- Companhia Siderúrgica Nacional (“ CSN ”) (NYSE: SID) announced today the final results of the offer to exchange (the “ Exchange Offer ”) conducted by 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. The Issuer announced today that the Minimum Participation Condition has been satisfied. The aggregate principal amount of 2028 Notes validly tendered and not validly withdrawn at or prior to the Expiration Time was US$1,007,324,000, representing 77.49% of outstanding 2028 Notes. Subject to the satisfaction of the remaining conditions set forth in the Offering Memorandum, the Issuer expects to accept for exchange all 2028 Notes validly tendered (and not validly withdrawn) at or prior to the Expiration Time.