Corrigendum

CORPORATE IDENTITY NUMBER - L14292JH1975GOI001223 An ISO 9001 : 2015 & ISO 37001 : 2016 Certified Company Ref. No. CMPDI/CS/2026-27/32 Dated: 21-07-2026 Listing Department, National Stock Exchange of India Limited, Exchange Plaza, Bandra Kurla Complex, Bandra (E), Mumbai – 400051. Ref: ISIN – INE05HV01027 Subject: Clarification regarding Interim Dividend in Announcement text. This is with reference to letter No. CMPDI/CS/2026-27/28 Dated: 20-07-2026 which was announced on NSE platform at 20.07.2026 on 10.13 PM. In the said platform the text disseminated in the NSE platform is shown as “Central Mine Planning & Design Institute Limited has informed the Exchange that Board of Directors at its meeting held on July 20, 2026, declared Interim Dividend of Rs. 52.5 per equity share.” Which is incorrect. The Correct Text will be “Central Mine Planning & Design Institute Limited has informed the Exchange that Board of Directors at its meeting held on July 20, 2026, declared Interim Dividend of Rs.1.05 per equity share.” And is revised on 20.07.2026 at 11.09 PM. In both the announcements the PDF was correctly uploaded. Shareholders, investors and all concerned stakeholders are requested to take note of the above clarification. Yours faithfully, Company Secretary & Compliance Officer फोन नम्बर/Phone No. : 0651- 2230169 ई-मेल/E-mail: cosecretary.cmpdi@coalindia.in वेब साईट/Website: www.cmpdi.co.in CORPORATE IDENTITY NUMBER - L14292JH1975GOI001223 An ISO 9001 : 2015 & ISO 37001 : 2016 Certified Company Ref. No. CMPDI/CS/2026-27/28 Dated: 20-07-2026 To, To, Listing Department, Listing Department, Bombay Stock Exchange Limited, 14th National Stock Exchange of India Limited, Floor, P.J. Towers, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Mumbai – 400 001 Bandra (E), Mumbai – 400 051. Scrip Code 544739 Ref: ISIN – INE05HV01027 Sub: - Un-Audited Financial Results (Standalone) of Central Mine Planning & Design Institute Limited for the 1st Quarter ended 30th June’2026 and declaration of 1st Interim Dividend for FY 2026-27 Dear Sir/Madam, In terms of Regulation 30 read with Regulation 33 of the Listing Regulations 2015, we are enclosing herewith Un-Audited Financial Results (Standalone) of Central Mine Planning & Design Institute Limited (the ‘Company’) for 1st Quarter ended 30thJune’2026, which have been reviewed by the Audit Committee held on date and have been taken on record by the Board of Directors of the company at its meeting held on date. The Board meeting commenced at 20:00 Hrs and concluded at 20:40 Hrs. Further, the Board of Directors at its meeting held on date has inter alia, declared 1st Interim Dividend for the Financial Year 2026-27 @ Rs. 1.05 per equity share on the face value of Rs. 2/- as recommended by the Audit Committee of the company at its meeting held on date. The company has fixed Friday, 24th July’2026 as the “Record Date” for the purpose of determining the eligibility of shareholders for payment of 1st Interim Dividend on equity shares for the Financial year 2026-27. Payment of 1st Interim Dividend for FY 2026-27 shall be made on or before 19th August’ 2026. The results are also being uploaded on the website of the company and will also be published in the newspaper. This is for your kind information and for appropriate dissemination. Yours faithfully, Company Secretary & Compliance Officer फोन नम्बर/Phone No. : 0651- 2230169 ई-मेल/E-mail: cosecretary.cmpdi@coalindia.in वेब साईट/Website: www.cmpdi.co.in