Intimation of Closure of Trading Window

28th September 2026 BSE LIMITED Department of Corporate Services Phiroze Jeejeebhoy Towers Dalal Street Mumbai- 400 001 Subject: Intimation of Closure of Trading Window Ref.: BSE Scrip ID: CHEMCRUX BSE Scrip Code: 540395 Dear Sir /Madam It is hereby informed that in compliance with the SEBI (Prohibition of Insider Trading) Regulations, 2015 and in accordance with the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons, please take note that the Trading Window for dealing in the securities of the Company will remain closed for all Designated Persons including their immediate relatives and connected persons (as defined in the Code) with effect from 1st October 2026 for the purpose of consideration of Unaudited Financial Results for the quarter and half year ending on 30th September 2026. The Trading Window shall open 48 hours after the declaration of Unaudited Financial Results for the quarter and half year ending on 30th September 2026 to the Stock Exchange. The date of Board Meeting for consideration of Unaudited Financial Results for the quarter and half year ending on 30th September 2026 shall be communicated in due course. Kindly take the above on record. Thanking you For CHEMCRUX ENTERPRISES LIMITED Dipika Rajpal Company Secretary & Compliance Officer NOTICE FOR CLOSURE OF TRADING WINDOW This has reference to the Company’s Code of Conduct for Regulating, Monitoring and Reporting of Trading by Designated Persons as approved and implemented by the Company in pursuance of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and as per SEBI (Prohibition of Insider Trading) (Amendment) Regulations, 2018. All the ‘Designated Persons and connected persons’ are hereby advised to take note that in terms of trading restrictions placed under above Code and prescribed as per SEBI (Prohibition of Insider Trading) (Amendment) Regulations, 2018, the Trading Window for dealing in securities of the Company shall remain closed from 1st October 2026 for the purpose of consideration of Unaudited Financial Results for the quarter and half year ending on 30th September 2026. The Trading Window shall open 48 hours after the declaration of Unaudited Financial Results for the quarter and half year ending on 30th September 2026 to the Stock Exchange. Accordingly, all the designated persons i.e., Promoters, Directors, KMP(s), designated employees, along-with their relatives, all connected persons and others who have come into the receipt of any price sensitive information (either accidentally or otherwise) are hereby directed not to deal in securities of the Company during the period of Closure of Trading Window as stated above. For CHEMCRUX ENTERPRISES LIMITED Dipika Rajpal Company Secretary and Compliance Officer Date: 28th September 2026 Place: Vadodara