Please find attached the Intimation of Book Closure and cut-off dates for 50th AGM of Star Delta Transformers Limited to be held on 29th September, 2026.

STAR DELTA TRANSFORMERS LIMITED CIN: L31102MP1977PLC001393 REGT. OFFICE: 92-A, INDUSTRIAL AREA, GOVINDPURA, BHOPAL-462023 (M.P) INDIA TEL.: (0) 0755-2586680, 4261016, 2587343, 4261003, FAX: (0755)2580059 Email Id: star.delta@rediffmail.com, Website: www.stardeltatransformers.com Date: August 24th, 2026 BSE Limited, Listing Department, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400001. SCRIP CODE: 539255 Subject: Intimation of Book Closure and Cut-off Date for voting, for the 50th Annual General Meeting of the Company. Dear Sir/Madam, This is to inform you that: a) The 50th Annual General Meeting (AGM) of the Company for the Financial Year ended March 31st, 2026 will be held on Tuesday, September 29th, 2026 at 12:30 P.M. at the Registered Office of the Company at 92-A, Industrial Area, Govindpura, Bhopal (M.P.)-462023. b) The Register of members and the Share Transfer Books of the company will remain closed from Wednesday, September 23rd, 2026 to Tuesday, September 29th, 2026 (both days inclusive) for the purpose of Annual General Meeting. c) in terms of Section 108 of the Companies Act 2013 read with Companies (Management and administration) Rules 2014 as amended and Regulation 44 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, the cut-off date to record the entitlement of Members to cast their votes for the businesses to be transacted at the ensuing 50th AGM of the Company is fixed as Tuesday, September 22nd, 2026. d) The Remote E-voting period commences on Saturday, September 26th, 2026 (9:00 A.M.) and ends on Monday, September 28th 2026 (5:00 P.M.). The notice of AGM and annual report shall be sent in due course. Kindly take the above information on your record. Thanking you, Yours sincerely, For Star Delta Transformers Limited Devyanshu Tiwari Company Secretary & Compliance Officer