The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for Dalmia Bharat Refractories Ltd

BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, Bandra Kurla Complex Dalal Street, Mumbai-400001 Bandra (East), Mumbai RHI Magnesita India Ltd 19th & 20th Floor, DLF Square, M-Block, Phase II, Jacaranda Marg, DLF City, Gurugram, Haryana 122002 Format for disclosures under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 RHI Magnesita India Ltd Name of the Target Company (TC) Dalmia Bharat Refractories Limited Name(s) of the acquirer/Seller and Persons Acting in Concert (PAC) with the acquirer Whether the acquirer belongs to Promoter/Promoter group BSE Limited and National Stock Exchange of India Name(s) of the Stock Exchange(s) where the shares of TC are Limited Listed Number % w.r.t. total % w.r.t. total share/voting diluted Details of the acquisition / disposal as follows capital share/voting wherever capital of the TC applicable (*) (**) Before the acquisition/disposal under consideration of: a) Shares carrying voting rights 2,70,20,000 13.08% 13.08% b) Shares in the nature of encumbrance (pledge/ lien/ Nil Nil Nil non disposal undertaking/ others) c) Voting rights (VR) otherwise than by shares Nil Nil Nil d) Warrants/convertible securities/any other instrument that entitles the acquirer to receive shares carrying voting Nil Nil Nil rights in the T C (specify holding in each category) e) Total (a+b+c+d) 2,70,20,000 13.08% 13.08% Details of acquisition/sale a) Shares carrying voting rights acquired/sold 2,70,20,000 13.08% 13.08% b) VRs acquired /sold otherwise than by shares Nil Nil Nil c) Warrants/convertible securities/any other instrument Nil Nil Nil that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) acquired/sold d) Shares encumbered / invoked/released by the acquirer Nil Nil Nil Total (a+b+c+/-d) 2,70,20,000 13.08% 13.08% After the acquisition/sale, holding of: Nil Nil Nil a) Shares carrying voting rights b) Shares encumbered with the acquirer Nil Nil c) VRs otherwise than by shares Nil Nil d) Warrants/convertible securities/any other instrument that entitles the acquirer to receive shares carrying Nil Nil Nil voting rights in the TC (specify holding in each category) after acquisition Total (a+b+c+d) Nil Nil Nil Open Market (BSE Limited and National Stock Mode of acquisition / sale (e.g. open market / off-market / Exchange of India Limited) public issue / rights issue / preferential allotment / inter-se transfer etc). During the period 21.05.2026 till 22.09.2026 Date of acquisition / sale of shares / VR or date of receipt of intimation of allotment of shares, whichever is applicable 20,65,01,426 Equity Shares of Re. 01/- each Equity shares capital / total voting capital of the TC before the said acquisition / sale 20,65,01,426 Equity Shares of Re. 01/- each Equity shares capital/ total voting capital of the TC after the said acquisition / sale 20,65,01,426 Equity Shares of Re. 01/- each Total diluted share/voting capital of the TC after the said acquisition (*) Total share capital/ voting capital to be taken as per the latest filing done by the company to the Stock Exchange under Clause 35 of the listing Agreement. (**) Diluted share/voting capital means the total number of shares in the TC assuming full conversion of the outstanding convertible securities/warrants into equity shares of the TC. For and on behalf of Dalmia Bharat Refractories Limited Soumya Sharma Company Secretary & Compliance Officer Membership No. A60934 Place: Delhi Date: 24.09.2026