Trading Window

September 25, 2026 The Manager, The Secretary Listing Department, BSE Limited National Stock Exchange of India Ltd. 25th Floor, New Trading Ring, Rotunda “Exchange Plaza”, C-1, Block G, Building, PhirozeJeejeebhoy Towers, Bandra-Kurla Complex, Bandra (E), Dalal Street, Fort, Mumbai – 400 051 Mumbai – 400 001 Symbol: HPL Scrip Code: 540136 Sub: Intimation of Trading Window Closure Dear Sir/Ma’am, This is to inform that in terms of the Company's Code of Conduct as formulated under SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in the securities of the Company shall remain closed for all Designated Persons and their immediate relatives w.e.f. October 01, 2026 till 48 hours after the declaration of financial results for the quarter ended September 30, 2026. In case, trading window end date is on trading holiday then trading window will remain closed till next succeeding day which is not a trading holiday. This is for your kind information and record please. Thanking You, For HPL Electric & Power Limited Vivek Kumar Company Secretary