Trading Window

TECIL CHEMICALS AND HYDRO POWER LTD. REGISTERED OFFICE CORPORATE OFFICE P.O. CHINGAVANAM 17 FLOOR, ANJANA COMPLEX, DIST.- KOTTAYAM, KERALA - 686 531 VYTTILA-AROOR BYEPASS ROAD, KUNDANNCOR, KOCHI-682 304 EMAIL ID : teciichingavanam@gmail.com TEL: 0484-4850063 / 62 /61 CIN No. : L24299K1 1945PLC001208 EMAIL ID : tecilchingavanam@gmail.com Website : www.tecilchemicals.com September 26, 2026 The Manager The Manager Listing Department, Listing Department, BSE Limited, National Stock Exchange of India Limited, Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Sth Floor, Plot No. C/1, G Block, Mumbai- 400 001 Bandra-Kurla Complex, Bandra-East, Mumbai- 400 051 Scrip Code: 506680 Symbol: TECILCHEM SUB: INTIMATION OF TRADING WINDOW CLOSURE Dear Sir/Madam, Pursuant to SEBI (Prohibition of Insider Trading) Regulations,2015 (as amended), the Trading Window for dealing in securities of the Company by Directors, Promoters, Designated Employees, Immediate relatives and Specified Connected Persons of the Company shall remain closed with effect from October 1, 2026 till 48 hours after the declaration of Un audited Financial Results for the quarter and half year ending September 30, 2026, in terms of the Insider Trading - Code of Conduct of the Company. The date of the meeting of the Board to approve the Un audited Financial Results of the Company for the quarter and half year ending September 30, 2026 will be informed in the due course of time. Kindly take the same on record and suitably disseminate to all concerned. Yours Truly, For TECIL Chemicals and Hydro Power Limited Jofin John Company Secretary & Compliance Officer