Pursuant to the approval accorded by the Board at its meeting held on June 18, 2026 and special resolution passed by the members of the Company by way of Postal ballot on July 19, 2026, ....

DIAMOND POWER INFRASTRUCTURE LIMITED July 23, 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 NSE: DIACABS Re: Qualified institutions placement of equity shares of face value of ₹ 1 each (the “Equity Shares”) by Diamond Power Infrastructure Limited under the provisions of Chapter VI of Securities and Exchange Board of India (Issue of Capital and Disclosure Requirements) Regulations, 2018, as amended (the “SEBI ICDR Regulations”) and Sections 42 and 62 of the Companies Act, 2013 and the rules made thereunder, each as amended (the “Company) (the “Issue”) Sub: Outcome of the meeting of the Management Committee of Board of Directors held on July 23, 2026 We wish to inform you that pursuant to our earlier intimation dated June 12, 2026 and approval of the board of directors of the Company at its meeting held on June 18, 2026 and approval of the shareholders of the Company by way of a special resolution passed by way of postal ballot on July 19, 2026, the Management Committee of the Company, in its meeting held today i.e. July 23, 2026, has inter alia considered and approved the following: (i) approval and adoption of the preliminary placement document dated July 23, 2026, and the draft of application form to be sent to eligible qualified institutional buyers inviting bids and for the purpose of receiving filled in application forms along with application amounts for subscription of Equity Shares, in connection with the Issue (“Preliminary Placement Document”); (ii) authorizing the opening of the proposed Issue today, i.e. on July 23, 2026; and (iii) approval of the floor price for the Issue as prescribed under SEBI ICDR Regulations, being ₹ 238.92 per Equity Share (“Floor Price”) based on the pricing formula as prescribed under Regulation 176 of the SEBI ICDR Regulations. We further wish to inform you that the Management Committee has fixed the ‘Relevant Date’ for the purpose of the Issue, in terms of Regulation 171(b)(i) of the SEBI ICDR Regulations as July 23, 2026 and accordingly the floor price in respect of the aforesaid Issue, based on the pricing formula as prescribed under Regulation 176(1) of the SEBI ICDR Regulations is ₹ 238.92 per Equity Share. Pursuant to Regulation 176(1) of the SEBI ICDR Regulations, and in accordance with the approval of the shareholders of the Company accorded through a special resolution passed on July 19, 2026, the Company may, at its discretion, offer a discount of not more than 5% (five percent) on the Floor Price so calculated for the Issue. The Issue price will be determined by the Company in consultation with the book running lead managers appointed in relation to the Issue. The Management Committee meeting commenced at 10:00 pm and the meeting was concluded at 10:20 pm. In relation to the qualified institutions placement, we will file the preliminary placement document dated July 23, 2026 with your office today. A copy of the same is also being made available on the website of our Company at www.dicabs.com Further, as per Company’s Code of Conduct for Prevention of Insider Trading and Code of Corporate Disclosure Practices (“Code”), the trading window for dealing in the securities of the Company had already been closed from July 1, 2026 as intimated vide our letter dated June 26, 2026 and will remain closed till 48 hours after the declaration 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 DIAMOND POWER INFRASTRUCTURE LIMITED of Unaudited Financial Results of the Company for the quarter ending June 30, 2026 and the trading window shall reopen thereafter for all ‘Specified Persons’ as defined in the Code. We request you to take the above on record, and the same be treated as compliance under Regulation 30 and other applicable regulations of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended. Thanking you, Yours faithfully For Diamond Power Infrastructure Limited Jayesh Patel Company Secretary and Compliance Officer ICSI Mem. No.: A14898 Place: Ahmedabad 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