Change in Auditors

RHI MAGNESITA RHI MAGNESITA INDIA LTD. (Formerly Orient Refractories Ltd.) 19th & 20th Floor, DLF Square, M-Block, Phase I, Jacranda Marg, DLF City, Gurugram, Haryana-122002 T +91 124 4299000 E corporate.india@rhimagnesita.com www.rhimagnesitaindia.com 30 September 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, Bandra Kurla Complex, Dalal Street, Mumbai-400001 Bandra (East), Mumbai STOCK CODE: 534076 STOCK CODE: RHIM Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with sub-para 7 of Para A PartA of Schedule Il of SEBI Listing Regulations, we wish to inform that, the shareholders of the Company at the 16" Annual General Meeting (‘AGM’) held on September 29, 2026, has, inter-alia, approved the appointment of M/s. B S R & Co. LLP, Chartered Accountants (Firm Registration No. 101248W/W 100022, as the Statutory Auditors of the Company, for the period of five (5) consecutive years to hold office from the conclusion of the 16™ Annual General Meeting until the conclusion of the 21st Annual General Meeting of the Company to be held in the year 2031. We enclose herewith brief details of the aforesaid appointment in Annexure A. The above information is also available on the website of the Company www.rnimagnesitaindia.com Thanking you, Yours faithfully, For RHI Magnesita India Limited Sanja ma Company Secretary (ICSI Membership No.: A17021) Encl: As above Registered Office: Unit No.705, 7th Floor, Lodha Supremus, Kanjurmarg Village Road, Kanjurmarg (East), Mumbai-400042 Tel : 022 - 4985120 CIN: L28113MH2010PLC312871 Appendix A S. No. Particulars Details Name of the Firm M/s. BS R & Co. Chartered Accountants LLP (Firm Registration No.101248W/ W- 100022) Reason for change viz. appointment, Appointment reappointment, resignation, removal, death or otherwise; Date of appointment/reappotntmentt 29 September 2026 cessation—{as—appteabtey—and term of appointment/re-appotntment Appointment for the period of five (5) consecutive years to hold office from the conclusion of the 16"™ Annual General Meeting until the conclusion of the 21st Annual General Meeting of the Company to be held in the year 2031 Brief Profile (in case of appointment). B SR & Co. was constituted on 27 March 1990 as a partnership firm and was thereafter converted into limited liability partnershipi.e. B SR &Co. LLP, on 14 October 2013. The registration no. of the firm is 101248W/W- 100022. The registered office of the firm is at 14th Floor, Central B Wing and North C Wing, Nesco IT Park 4, Nesco Centre, Western Express Highway, Goregaon (East), Mumbai- 400063. B SR & Co. LLP is a member entity of BS R & Affiliates, a network registered with the Institute of Chartered Accountants of India. The firm has over 4000 staff and 170+ Partners and has offices across 14 locations. Disclosure of relationships between Not Applicable Directors (in case of appointment of a director)