Certificate under SEBI (Depositories and Participants) Regulations, 2018

RHI MAGNESITA INDIA LTD. 19th & 20th Floor, DLF Square, M-Block, Phase II, Jacaranda Marg, DLF City, Gurugram, Haryana 122002 T +91 124 4299000 E corporate.india@rhimagnesita.com www.rhimagnesitaindia.com 10 July 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 Dear Sir/Ma’am, Sub: Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 In compliance with Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018, we are forwarding herewith copy of certificate received from M/s. Skyline Financial Services Private Limited, the Registrar and Share Transfer Agent of the Company, for the quarter ended 30 June 2026. Thanking you, Yours faithfully for RHI Magnesita India Limited Sanjay Kumar 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, T +91 22 49851200 CIN: L28113MH2010PLC312871 Skviife Skyline Financial Services Pvt. Ltd. Financ!aJySeM(!sQ g SEBI Registered Category-1 Registrars & Share Transfer Agent Regd. & Corp. Office : D-153 A, 1st Floor, Okhla Industrial Area, Phase-l, New Delhi - 110 020 Tel.: +91-11-40450193-97, 26812682-83, E-mail: info@skylinerta.com, Website: www.skylinerta.com CIN No.: U74899DL1995PTC071324 Dated: July 01, 2026 Ref: SFSPL/RTA/ June/2026 The Company Secretary RHI MAGNESITA INDIA LIMITED 19TH AND 20TH FLOOR DLF SQUARE, M BLOCK, PHASE-Il, JACARANDA MARG, HARYANAN 122002 Subject: Confirmation Certificate in the matter of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir, In accordance with Regulation 74(5) of the SEB! (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th June, 2026, w.r.t. physical share certificates received for dematerialization of securities from the depository participant (Equity Shares) of the Company, “ RHI MAGNESITA INDIA LIMITED ” CIN: L28113MH2010PLC312871, We hereby confirm and certify the following: a) The securities comprised in the said certificate(s) have been listed on the Stock Exchange where the earlier issued securities are listed: b) The said certificate(s) after due verification have been mutilated and cancelled and the name of depository has been substituted in our records as registered owner within 15 days. This is for your information and records. Thanking you, For Skyline Financial Services Private Limited Parveen Sharma Authorised Signatoh Mumbai Office: A-506, Dattani Plaza, Andheri Kurla Road, Safeed Pool, Mumbai-400072 Tel.: +91-22-49721245, 28511022, E-mail: mumbai@skylinerta.com