Closure of Trading Window for the quarter ended 30th September 2026

HIGHWAY INFRASTRUCTURE LIMITED CIN: L42909MP2006PLC018398 REG. OFFICE ADDRESS: 57-FA, SCHEME NO. 94, PIPLIYAHANA JUNCTION, RING ROAD, INDORE, (M.P.) – 452016, INDIA Tel: +91-731-2590013, 4047177 E-Mail: hiplindore@gmail.com, Visit us at: www.highwayinfrastructure.in 28th September, 2026 To, To, The Secretary, The Secretary, Corporate Relationship Department Listing Department BSE Limited National Stock Exchange of India Ltd. P. J. Towers, Dalal Street Exchange Plaza, BKC, Bandra (E) M umbai- MH 400001 Mumbai - MH 400051 Scrip Symbol: HILINFRA | Scrip Code: 544477 | ISIN: INE00RL01028 Subject: Intimation under SEBI (Prohibition of Insider Trading) Regulations, 2015 - Closure of Trading Window Dear Sir/Madam, Pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Insiders, we wish to inform you that the Trading Window for dealing in the securities of the Company shall remain closed with effect from 1st October, 2026 for all insiders, including designated persons and their immediate relatives, till 48 hours after the declaration of the unaudited financial results for the quarter ended September 30, 2026. The closure is in view of the consideration and approval of the unaudited financial results of the Company for the aforesaid quarter. During the aforesaid period, all Promoters, Directors, Key Managerial Personnel, Designated Employees, Connected Persons, and their immediate relatives are strictly advised not to trade in the securities of the Company. This intimation is being submitted for your information and records. Thank You. For Highway Infrastructure Limited Palak Rathore Company Secretary & Compliance Officer Membership No. – A73755