Commencement of commercial production/operations

September 25, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, Plot No. C-1, G Block, Scrip Code: 532884 Symbol: REFEX Dalal Street, Fort, Mumbai – 400001 Bandra-Kurla Complex, Bandra(E), Mumbai – 400051 RE: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations") read with SEBI Master Circular bearing reference no. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 (“SEBI Master Circular”). Subject: Commencement of Commercial Operations of Ready-Mix Concrete (RMC) Business under the Coal & Ash Handling Business Unit of Refex Industries Limited Dear Sir/ Ma’am, Refex Industries Limited (“the Company”) has commenced its Ready-Mix Concrete (“RMC”) business We wish to inform you that, as part of its forward integration strategy, , leveraging its existing capabilities and expertise in the Coal and Ash Handling business to expand into downstream construction materials and further strengthen its presence in the infrastructure and construction ecosystem. Mr. Anil Kulkarni, Chief Business Officer The RMC business is headed by . lease-based, asset-light The RMC business involves the production and supply of ready-mix concrete for residential, commercial, industrial and model infrastructure projects. The Company proposes to undertake the RMC business through a , facilitating faster market entry and scalable expansion while enabling optimised capital deployment. In this regard, the Company has commenced commercial operations at its first RMC plant located at Wadmukhwadi, Pune, Maharashtra, with effect from September 25, 2026. You are requested to take the above information on record and disseminate the same on your website. Thanking you. Refex Industries Limited Yours faithfully, For & on behalf of Ankit Poddar Company Secretary & Compliance Officer ACS-25443