Pursuant to Regulation 30 of the SEBI (LODR) Regulations, 2015, this is to inform you that M/s. G R Shah & Associates has been appointed as Secretarial Auditor of the Company with immediate effect.

Date: 04th November, 2026 The Secretary, Department of Corporate Services, BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400001, MH BSE Code: 540082 Dear Sir/Madam Subject: Appointment of Secretarial Auditor of the Company Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform you that M/s. G R Shah & Associates has been appointed as Secretarial Auditor of the Company with immediate effect. The details as required under Regulation 30 of SEBI (Listing Obligations and 'Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025- CFD-POD2/I/3762/2026 dated January 30, 2026 w.r.t. appointment of Secretarial Auditor, of listed entity are enclosed in "Annexure I". Request you to take the same on your records. For, RIDDHI STEEL AND TUBE LIMITED Rajeshkumar Ramkumar Mittal Managing Director DIN: 00878934 Riddhi Steel and Tube Ltd. Mo : +91 9512711555 | Ph : 079 29700722 / 23 83/84, Village : Kamod, Opp. Devraj Industrial Park, Email : info@riddhitubes.com Piplaj - Pirana Road, Post : Aslali, Ahmedabad-382427. www.riddhitubes.com Gujarat, India. CIN : L27106GJ2001PLC039978 Annexure I Disclosure of Information pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 A Details which a listed entity needs to disclose for the events that are deemed to be material as specified in Para A of Part A of Schedule III of Listing Regulations 7 Change in directors, key managerial personnel (Managing Director, Chief Executive Officer, Chief Financial Officer, Company Secretary etc.), Auditor and Compliance Officer: Sr. Details of Events Information of Such Events 1 Reason for change viz. appointment, The Board on the recommendation of Audit resignation, removal, death or Committee, has appointed M/s. G R Shah & otherwise; Associates Practising Company Secretaries, as the Secretarial Auditor of the Company for Financial Year 2026-27. 2. Date of appointment/cessation (as 04th November, 2026; Term: for the Financial applicable) & term of appointment; Year 2026-27 3. Brief Profile (in case of Name of Secretarial Auditor: M/s. G R Shah & appointment) Associates, Practising Company Secretaries. Field of Experience: Mr. Gaurang Shah, Proprietor of M/s. G R Shah & Associates, Practising Company Secretaries, Ahmedabad, possesses more than a decade of rich professional experience in the areas of corporate laws, legal and regulatory compliance, secretarial compliances, ROC matters under the Companies Act, 2013, listing and SEBI compliances, corporate governance, secretarial audits, FEMA compliances, management consultancy, compliance reporting, and advisory services. 4. Disclosure of relationships between Not Applicable directors (in case of appointment of a director). Riddhi Steel and Tube Ltd. Mo : +91 9512711555 | Ph : 079 29700722 / 23 83/84, Village : Kamod, Opp. Devraj Industrial Park, Email : info@riddhitubes.com Piplaj - Pirana Road, Post : Aslali, Ahmedabad-382427. www.riddhitubes.com Gujarat, India. CIN : L27106GJ2001PLC039978