Investment in KUS Renewable Private Limited, a Special Purpose Vehicle, for setting up 49.5 MW Captive Wind Power Plant for supply of Wind Power to the Cement Plant of the Company located at Satna, Madhya Pradesh.

September 25, 2026 The National Stock Exchange of India Limited The BSE Limited, Exchange Plaza, Bandra-Kurla Complex, Corporate Relationship Department, Bandra (East), Mumbai - 400 051. P. J. Towers, Dalal Street, Fort, Mumbai - 400 023. Code: PRSMJOHNSN Code: 500338 Dear Sir, Sub.: Disclosure under Regulation 30 of the SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Board of Directors of the Company, at its meeting held today, has approved an investment not exceeding ₹ 40 Crores in the Equity and/or Redeemable Preference Shares capital of KUS Renewable Private Limited (“KUS”). KUS is a Special Purpose Vehicle incorporated by Purvah Green Power Private Limited (“PGPPL”), which is a subsidiary of Calcutta Electric Supply Corporation (“CESC”) Limited. KUS will set up a 49.5 MW Captive Wind Power Project to supply dedicated renewable power to the cement plant of the Company located at Satna, Madhya Pradesh on the terms and conditions of the Power Purchase Agreement proposed to be entered into between the Company and KUS. This will further integrate sustainability initiatives of the Company with operational excellence by increasing renewable energy utilisation, improving energy efficiency, and enhancing resource optimisation, thereby meeting its Environmental, Social, and Governance (ESG) targets. Details required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 are provided in the enclosed Annexure. The meeting commenced at 09.30 a.m. and concluded at 09.52 a.m. The above is for your information and record. Thanking you, Yours faithfully, for PRISM JOHNSON LIMITED SHAILESH DHOLAKIA Company Secretary & Compliance Officer Encl.: As above ANNEXURE Details required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 are as follows: Sr. Details of events that need to be provided Information of such event(s) (a) Name of the target entity, details in brief such KUS Renewable Private Limited as size, turnover etc. (“KUS”) (b) Whether the acquisition would fall within (i) The proposed acquisition does related party transaction(s) and whether the not fall within related party promoter/ promoter group/ group companies transaction. have any interest in the entity being acquired? If yes, nature of interest and details thereof (ii) The promoter/promoter group/ and whether the same is done at “arm’s group companies have no length” interest in the proposed acquisition. (c) Industry to which the entity being acquired Power Generation (Wind Power). belongs (d) Objects and impact of acquisition (including To purchase cheaper renewable but not limited to, disclosure of reasons for power which will enable the acquisition of target entity, if its business is Company to reduce the cost of outside the main line of business of the listed production of cement. entity) This will further integrate sustainability initiatives of the Company with operational excellence by increasing renewable energy utilisation, improving energy efficiency, and enhancing resource optimisation, thereby meeting its Environmental, Social, and Governance (ESG) targets. (e) Brief details of any governmental or None regulatory approvals required for the acquisition (f) Indicative time period for completion of the Latest by 31st October 2027 acquisition (g) Consideration - whether cash consideration Cash Consideration through normal or share swap or any other form and details of banking channel the same (h) Cost of acquisition and/or the price at which Not exceeding ₹ 40 Crores the shares are acquired (i) Percentage of shareholding/control acquired Equity shares with voting rights and / or number of shares acquired representing at least 26.5% of the equity share capital of KUS will be acquired apart from Redeemable Preference Shares. (j) Brief background about the entity acquired in KUS Renewable Private Limited is terms of products/line of business acquired, a Special Purpose Vehicle date of incorporation, history of last 3 years incorporated in India on September turnover, country in which the acquired entity 26, 2024 by Purvah Green Power has presence and any other significant Private Limited (PGPPL) which is information (in brief) a subsidiary of Calcutta Electric Supply Corporation (CESC) Limited. KUS will set up a 49.5 MW Captive Wind Power Project at Tehsil Alot, District Ratlam, Madhya Pradesh for supply of dedicated renewable power to the cement plant of the Company located at Satna, Madhya Pradesh on the terms and conditions of the Power Purchase Agreement proposed to be entered into between the Company and KUS. Turnover of KUS in preceding two financial year was NIL as KUS is yet to commence its business operation.