Trading Window

CORPORATE IDENTITY NUMBER - L14292JH1975GOI001223 An ISO 9001: 2015 & ISO 37001: 2016 Certified Company पत्र संख्या/क.स./ CMPDIL/TWC/26-27/44/10 दिनांक: 29.06.2026 Listing Department, Listing Department, National Stock Exchange of India Limited, Bombay Stock Exchange Limited, Exchange Plaza, Bandra Kurla Complex, 14th Floor, P.J.Towers, Dalal Street, Mumbai- 400 051 Mumbai – 400 001 Ref: ISIN – INE05HV01027 Ref no- 544739 Dear Sir / Madam, Sub: Trading Window Closure Pursuant to the code for prevention of insider trading in the securities of Central Mine Planning & Design Institute Limited and the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and Procedure for Fair Disclosure of Unpublished Price Sensitive Information, we wish to inform that the window for trading in securities of CMPDIL (the ‘Company’) for the Designated Persons and their immediate relatives, Auditors and Connected Persons shall remain closed from July 01, 2026 till the expiry of 48 hours after the declaration of the Standalone Unaudited Financial Results of the Company for the 1st quarter ending on June 30, 2026 and the trading window shall re-open thereafter. The date of the Board meeting for consideration and approval of the Standalone Unaudited Financial Results of the Company for the 1st quarter ending on June 30, 2026 will be intimated in due course. You are requested to take note of the above. Yours sincerely, For Central Mine Planning & Design Institute Limited Abhishek Mundhra Company Secretary and Compliance Officer फोन नम्बर/Phone No. : 0651- 2230169 ई-मेल/E-mail: cosecretary.cmpdi@coalindia.in वेब साईट/Website: www.cmpdi.co.in