Action(s) taken or orders passed

(An ISO 9001:2015; ISO 14001:2015 and 45001:2018 certified company) CIN: L85110KA1954PLC000759; Website: www.sandurgroup.com Email ID: secretarial@sandurgroup.com REGISTERED OFFICE CORPORATE OFFICE ‘SATYALAYA’, No.266 ‘SANDUR HOUSE’, No.9 Ward No.1, Palace Road Bellary Road, Sadashivanagar Sandur – 583 119, Ballari District Bengaluru – 560 080 Karnataka, India Karnataka, India Tel: +91 8395260300 Tel: +91 80 4152 0176 - 79 / 4547 3000 SMIORE / SEC / 2026-27 / 46 9 September 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G Dalal Street Bandra-Kurla Complex Mumbai - 400 001 Mumbai - 400 051 S crip Code: 504918 Symbol: SANDUMA Symbol: SANDUMA Dear Sir/ Madam, Sub: Disclosure under Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) “SEBI (LODR)” Regulations, 2015 Pursuant to the provisions of Regulation 30 read with Schedule III of SEBI (LODR) Regulations, 2015, this is to inform Stock Exchanges that Royal Sandur Metals Private Limited (formerly Arjas Steel Private Limited), Material Subsidiary of the Company, has received a penalty order under Section 114 of the Customs Act, 1962 on 8 September 2026. The requisite details as per sub-para 20 of Para of Part A of Schedule III of SEBI (LODR) Regulations, 2015, are as follows: Name of the Authority Office of the Principal Commissioner of Customs, Chennai-III Nature and details of the action(s) taken or Imposition of penalty amounting to ₹12 lakh order(s) passed under Section 114 of the Customs Act, 1962. Date of receipt of direction or order, including 8 September 2026 any ad-interim or interim orders, or any other communication from the authority Details of the violation(s)/ contravention(s) Non-payment of export duty by Sundaram committed or alleged to be committed Fasteners Limited (SEZ unit) on export goods procured from Royal Sandur Metals Private Limited (formerly Arjas Steel Private Limited) located in the Domestic Tariff Area (DTA), during the period from 22 May 2022 to 18 November 2022 [prior to acquisition of Royal Sandur Metals Private Limited (formerly Arjas Steel Private Limited) by the Company]. MINES OFFICE: Deogiri - 583112, Sandur Taluk, Ballari District; Tel: +91 8395 271028 PLANT OFFICE: Metal & Ferroalloy Plant, Vyasankere, Mariyammanahalli – 583 222, Hosapete Taluk, Vijayanagara District; Tel: +91 8394 294802 / 805 Page 1 of 2 The Sandur Manganese & Iron Ores Limited The penalty has been imposed primarily on the ground that the export duty leviable on the goods supplied as DTA to the SEZ unit was not paid by the SEZ unit. Impact on financial, operation or other activities There is no material impact on financial or of the listed entity, quantifiable in monetary operational or other activities of the Company. terms to the extent possible Royal Sandur Metals Private Limited (formerly Arjas Steel Private Limited) is reviewing the order and assessing further legal recourse in this regard. Stock Exchanges are requested to kindly take the same on record. Thank you for The Sandur Manganese & Iron Ores Limited Neha Thomas Company Secretary & Compliance Officer ICSI Membership No.: A60853 Page 2 of 2