We would like to inform you that in compliance of the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's 'Code of Internal Procedures and Conduct for Regulating, Monitoring and Reporting of Trading in Securities by Designated Persons" ('Insider Trading Code'), the Trading Window for dealing in the securities of the Company for all the Designated Persons, including their immediate relatives and other Insiders, ....

HFCL/SEC/26-27 September 29, 2026 BSE Ltd. National Stock Exchange of India Ltd. st th 1 Floor, New Trading Wing, Rotunda Building Exchange Plaza, 5 Floor, C – 1, Block G Phiroze Jeejeebhoy Towers, Dalal Street, Fort Bandra – Kurla Complex, Bandra (E) Mumbai – 400001 Mumbai – 400051 Security Code No.: 500183 Security Code No.: HFCL corp.relations@bseindia.com cmlist@nse.co.in Subject: Intimation of Closure of Trading Window in terms of the SEBI (Prohibition of Insider Trading) Regulations, 2015 Dear Sir(s)/ Madam, We would like to inform you that in compliance of the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company’s “Code of Internal Procedures and Conduct Insider Trading Code for Regulating, Monitoring and Reporting of Trading in Securities by Designated Persons" (“ ”), the Trading Window for dealing in the securities of the Company for all shall remain closed with effect from September 30, 2026, the Designated Persons, including their immediate relatives and other Insiders, as per the Insider Un-audited Financial Results for the Trading Code, for the purpose of 2nd quarter and half year ending September 30, 2026, till 48 hours after the announcement consideration of the , both standalone and consolidated, of the aforesaid Financial Results. The date of the Board meeting to consider the aforesaid Financial Results, shall be intimated separately. We request to take the above information on your records and disseminate the same on your respective websites. Thanking you, For HFCL Limited Yours faithfully, (Manoj Baid) President & Company Secretary Regd. Office: Plot No. 38, Institutional Area, Sector 32, Gurugram-122001, Haryana, Tel: 91-124-4310000, Fax: +91-124-4310050 Corporate Identity Number: L64200HR1987PLC148689