Public Announcement for Open Offer for acquisition of equity shares from the public shareholders of the Company by acquirers.

Date: July 30, 2026 The Deputy Manager Corporate Relations Department, BSE Limited P. J. Towers, Dalal Street, Mumbai - 400001 Ref.: Scrip Code - BSE - 531667 Dear Sir/Madam, Sub: Disclosure pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Ref: Public Announcement for Open Offer for the acquisition of Equity Shares from the Public Shareholders of RR MetalMakers India Limited (“Target Company”) by RB International Holdings Limited (“Acquirer 1”), Suyog Yogesh Desai (“Acquirer 2”) and Nikita Suyog Desai (“Acquirer 3”) (Acquirer 1, Acquirer 2 and Acquirer 3 are collectively referred as the “Acquirers”) pursuant to and in compliance with the requirements of the SEBI (SAST) Regulations (the “Open Offer” or “Offer”). Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company has received a copy of the Public Announcement, issued by Vivro Financial Services Private Limited dated July 30, 2026 (“Public Announcement”) in relation to an Open Offer to the Public Shareholders of the Company issued by Acquirers for acquiring the equity shares of the Company as per the requirements of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulation 2011. A copy of the Public Announcement received by the Company is enclosed herewith. Kindly take the same in your records and disseminate it to the shareholders. Thanking You, Yours Faithfully, For RR MetalMakers India Limited, Harshika Kothari Company Secretary & Compliance Officer Membership No.: A61964 Encl.: As above. GSTIN No.: 27AACCS1022K1ZL CIN No.: L51901MH1995PLC331822 Registered Office : B-001 & B-002, Ground Floor, Antop Hill Warehousing Complex Ltd, Barkat Ali Naka, Salt Pan Road, Wadala (E), Mumbai - 400 037, Maharashtra. Corporate Office :2nd Floor, Sugar House, 93/95, Kazi Sayed Street, Mumbai - 400 003. Ph.: 022-6192 5555 / 56 • Email: info@rrmetalmakers.com • Website : www.rrmetalmakers.com