General Updates

To 01st September 2026 Listing Department Listing Department BSE Limited National Stock Exchange of India Limited 25th Floor, P. J. Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra Kurla Complex, Bandra East, Mumbai – 400 001. Mumbai – 400 051. Scrip Code: 505368 Scrip Code: SEMAC Dear Sir / Madam, Sub: Cut-Off Dates for Annual General Meeting for the Financial year ended 31st March 2026 Ref: Submission of Notice of 49th Annual General Meeting to be held on Friday, 25th September 2026 dated 14th August 2026. With reference to the earlier communications regarding the 49th Annual General Meeting of the Company scheduled to be held on Friday, 25th September 2025 at 03:00 PM through Video Conferencing (“VC”)/ Other Audio-Visual Means (“OAVM”) We would like to inform you that the register of members and Share Transfer books of the Company will remain closed from, Saturday 19th September 2026 to Friday, 25th September 2026 (both days inclusive). A person whose name is recorded in the register of members or in the register of beneficial owners maintained by the depositories as on the cut-off date i.e. 18th September, 2026 shall be entitled to avail the facility of remote e- voting or to vote during the AGM. Kindly take the same on your records. Thanking you For Semac Construction Limited (Formerly Known as Semac Consultants Limited) Aakriti Gupta Company Secretary and Compliance Officer Semac Construction Ltd. Corporate Identity Number Registered Office: Semac Construction Ltd. (Formerly Known as Semac Consultants L42900TZ1977PLC000780 Pollachi Road, Malumachampatti. Limited.) ISO 9001 : 2015 Coimbatore - 641 021. Plot No. 505, 3rd Floor, Udyog Vihar, Phase – III, Tel : + 91 422 2610851 Gurugram, Fax : + 91 442 6655199 Haryana – 122016, India Website: www.semacconstruction.com Email: compliance.officer@semacconstruction.com Gurugram I Bengaluru I Navi Mumbai I Muscat