We are submitting here with disclosure of Trading Window Closure.

26th September 2026 To To The Department of Corporate Services National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Tower Bandra Kurla Complex, Bandra (E), Dalal Street, Mumbai – 400 001 Mumbai-400051 SCRIP CODE: 531109 SYMBOL: ISHANCH Ref: ISHAN DYES AND CHEMICALS LIMITED. Sub: INTIMATION FOR THE CLOSURE OF TRADING WINDOW. We hereby inform that as per the Company’s Code of Conduct for Regulating, Monitoring, Preventing and Reporting of Trading by Designated Persons and their immediate relatives pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in Equity Shares of the Company by the Designated Persons and their immediate relatives shall remain closed with effect from Thursday, 01st October, 2026 till 48 hours after the declaration of Un-Audited Standalone Financial Results of the Company for the Quarter and Half-Year ending 30th September, 2026. During the aforesaid closed trading window period, the Employees, Directors, Key Managerial Personnel and Designated Persons and their immediate relatives shall not trade in the Company’s Equity Shares. The date of Board Meeting of the Company for consideration and declaration of Un-Audited Standalone Financial Results of the Company for the Quarter and Half-Year ending 30th September 2026 will be intimated later. Kindly take the same on your records. Thank you. For and on behalf of Ishan Dyes and Chemicals Limited Shrinal P. Patel Whole-Time Director DIN – 02992519