Intimation of cut-off/Record date for the purpose of 34th Annual General meeting

DIAMOND POWER INFRASTRUCTURE LIMITED September 3, 2026 Corporate Relations Department Listing Department BSE Limited National Stock Exchange of India Limited 2nd Floor, P.J. Towers Exchange Plaza, Plot No. C/1, G- Block, Dalal Street, Bandra Kurla Complex, Bandra (E), Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 522163 Scrip Symbol: DIACABS Sub: Intimation of Annual General Meeting and Record Date/Cut-off date Dear Sir/Madam, This is to inform you that the 34th Annual General Meeting (“AGM”) of the Company will be held on Friday, September 25, 2026, at 03:30 p.m. through Video Conferencing/Other Audio-Visual Means (“VC/OAVM”), in compliance with the applicable circulars issued by the Ministry of Corporate Affairs (“MCA”) from time to time and the Securities and Exchange Board of India (“SEBI”) in this regard. Pursuant to Regulation 42 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, Section 108 of the Companies Act, 2013 read with Rule 20 of the Companies (Management and Administration) Rules, 2014 and Regulation 44 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, Friday, September 18, 2026 has been fixed as the Cut-off Date for determining the eligibility of Members to avail the facility of e-voting and to attend the 34th Annual General Meeting of the Company. Security Code Type of Security Cut-off / Record Date Purpose BSE Scrip Code: 522163 Equity Shares Friday, September 18, For ascertaining the NSE Scrip Symbol: DIACABS 2026 names of Members entitled to avail the facility of e-voting and attend the 34th Annual General Meeting You are requested to kindly take note of the same. Thanking you, Yours sincerely, For Diamond Power Infrastructure Limited Jayesh Patel Company Secretary and Compliance Officer ICSI Mem. No.: A14898 Regd. Office & Factory: Vadadala, Phase – II Savli, Vadodara, Gujarat, India-391520 CIN: L31300GJ1992PLC018198 Email: cs@dicabs.com, Website: www.dicabs.com Tel No.- 02667-251354/251516 Fax No.-02267-251202