Disruption of Operations

October 08, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G, 20th Floor, P.J. Towers, Bandra Kurla Complex, Bandra (E), Dalal Street, Mumbai – 400 051 Mumbai – 400 001. NSE Scrip Symbol: AONESTEELS BSE Scrip Code: 544952 Dear Sir/ Madam, Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Intimation of Fire incident at factory premises Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that a fire incident occurred at approximately 01:27 AM on October 08, 2026, at Furnace-4 of the Ferro Plant located at Chikantapur, Ballari, Karnataka. Upon occurrence, the plant management and security personnel swiftly intervened, and the fire was promptly brought under control and extinguished. The exact cause of the fire is presently under investigation and the Company is extending full cooperation to the concerned authorities. The Company is in the process of assessing the extent of damage/ loss caused by the incident and evaluating its impact on operations, if any. The Company is actively undertaking all necessary precautionary and preventive measures to avoid recurrence of such incidents. Furthermore, the details required under Regulation 30 of the SEBI Listing Regulations read along with the SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026, are enclosed herewith as Annexure 1. Kindly take the above information on record. Thanks & Regards, For A-One Steels India Limited (Formerly known as A-One Steels India Private Limited and A-One Steel and Alloys Private Limited) Pooja Sara Nagaraja Company Secretary and Compliance Officer Membership No: A52496 Annexure 1: Disclosures in terms of SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026 Particulars Details / Information The financial loss and damage caused by the fire are currently under evaluation. The exact 1. Expected quantum of loss/ damage caused quantum will be determined following the outcome of the root-cause investigation by the concerned authorities. The damage caused due to the fire accident is covered under insurance. The Company has reported the incident to the insurance company. As specified above that the financial loss and damage caused by the fire are currently under Whether loss/ damage covered by insurance evaluation. or not including amount Estimated impact on the production/ 3. Not applicable operations in case of strikes/lock outs; Factory/ unit where the strike/ lock out takes 4. Not applicable place including reasons for such strike.