Press Release

DIAMOND POWER INFRASTRUCTURE LIMITED Date: July 16, 2026 To, To, The Manager – Listing Department The Manager – Listing Department BSE Limited National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, BKC, Dalal Street, Mumbai – 400 001 Bandra (East), Mumbai – 400 051 Scrip Code: 522163 Symbol: DIACABS Sub: Intimation of receipt of Letter of Award / Contract Confirmation from Adani Energy Solutions Limited for supply of AL59 conductors, pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”), read with SEBI Master Circular on compliance with the provisions of the Listing Regulations by listed entities, we wish to inform you that Diamond Power Infrastructure Limited (“the Company”) has received a Contract Confirmation / Letter of Award ("LOA") dated July 16, 2026 from Adani Energy Solutions Limited for the supply of AL59 Moose and AL59 Zebra conductors. The details required under Regulation 30 of the Listing Regulations, read with the applicable SEBI Circular, are enclosed as Annexure A. A copy of the Press Release being issued by the Company in this regard is enclosed as Annexure B. This intimation is also being made available on the website of the Company at www.dicabs.com. You are requested to kindly take the above on record. Thanking you, Yours faithfully, For Diamond Power Infrastructure Limited Jayesh Patel Company Secretary ICSI M. No.: A14898 Encl.: Annexure A – Disclosure under Regulation 30; Annexure B – Press Release 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 Annexure A Disclosure of details under Regulation 30 of the Listing Regulations read with the applicable SEBI Circular – Award / Receipt of Order Sr. Particulars Details 1 Name of the entity awarding Adani Energy Solutions Limited ("AESL") — for and on behalf the order / contract of its project SPVs 2 Nature of the order / contract Receipt of Contract Confirmation / Letter of Award (LOA) for design, engineering, manufacturing, assembly, testing at manufacturer's works, packing, dispatch and transportation with transit insurance on DAP (Delivery at Place) basis, for supply of AL59 Aluminium Alloy Conductors, viz. 1,050 Km of AL59 Moose Conductor for the Tuticorin Project and 3,770 Km of AL59 Zebra Conductor for the Pune-III Project. 3 Whether order / contract Domestic awarded by domestic or international entity 4 Broad consideration / size of Rs. 1,85,16,45,098/- (Rupees One Hundred Eighty-Five the order Crore Sixteen Lakh Forty-Five Thousand Ninety-Eight only), inclusive of Packing & Forwarding (P&F) and Freight & Transit Insurance (F&TI) charges but exclusive of GST. The value inclusive of GST @ 18% is Rs. 2,18,49,41,216/-. The contract price is on a variable-price basis, reckoned at Aluminium LME of USD 2,550/MT, premium of USD 106/MT and USD/INR of 87. Final prices will be determined in accordance with the agreed Price Variation (PV) formula based on the average LME and USD/INR of the month preceding the scheduled dispatch month. Accordingly, the realised contract value may vary. 5 Scope / quantity Refer delivery schedule mentioned hereunder 6 Time period by which the Deliveries are scheduled between July 2026 and February order / contract is to be 2027, i.e. within approximately eight (8) months, as per the executed delivery schedule set out below. Delivery locations are to be intimated by AESL separately. 7 Whether the promoter / None of the promoters, promoter group or group companies promoter group / group of the Company have any interest in Adani Energy Solutions companies have any interest in Limited. The transaction is not a related party transaction. the entity that awarded the order / contract; if yes, nature of interest and details thereof 8 Whether the same would fall No. The order has been received on an arm's length basis within related party from an unrelated third party. transactions; if yes, whether at arm’s length 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 Delivery Schedule (in Km): Project Conductor Qty UoM Jul- Aug- Sep- Oct- Nov- Dec- Jan- Feb- 26 26 26 26 26 26 27 27 Tuticorin AL59 Moose 1,050 Km 500 550 — — — — — — Pune-III AL59 Zebra 3,770 Km — 570 500 500 700 500 500 500 Annexure B PRESS RELEASE Diamond Power Infrastructure Limited secures conductor supply order of Rs. 185 Crore from Adani Energy Solutions Limited Ahmedabad, July 16, 2026 — Diamond Power Infrastructure Limited (BSE: 522163 | NSE: DIACABS) ("DPIL" or "the Company"), an integrated manufacturer of power transmission and distribution equipment under the DICABS brand, today announced that it has received a Contract Confirmation / Letter of Award from Adani Energy Solutions Limited ("AESL") for the supply of AL59 aluminium alloy conductors for two of AESL's transmission projects. The award covers the design, engineering, manufacture, testing, packing, dispatch and transportation on a Delivery-at- Place (DAP) basis of: • 1,050 Km of AL59 Moose Conductor for the Tuticorin Project; and • 3,770 Km of AL59 Zebra Conductor for the Pune-III Project. The order is valued at Rs. 1,85,16,45,098/- (approximately Rs. 185.16 Crore) inclusive of packing, forwarding, freight and transit insurance, and exclusive of GST — aggregating to approximately Rs. 218.49 Crore including GST. The contract is on a variable-price basis linked to aluminium LME and USD/INR movements through an agreed price variation formula, and the realised value may therefore differ. Deliveries are scheduled between July 2026 and February 2027. Management Quote Commenting on the award, Mr. Kavish Shah, Vice President - Corporate Strategy of Diamond Power Infrastructure Limited, said: "continued confidence of a marquee customer in DPIL's conductor manufacturing capability; the order builds on the Company's existing relationship with AESL; supports visibility for FY27; and reflects the growth in India's transmission capex cycle." About Diamond Power Infrastructure Ltd Diamond Power Infrastructure Limited is an integrated power transmission and distribution solutions provider based in Gujarat, manufacturing conductors, and low-, medium-, high- and extra-high-voltage cables, along with allied products, under the "DICABS" brand. The Company's products serve utilities, infrastructure, renewables, oil and gas, defence, data centres and industrial customers across India and in export markets. The Company's equity shares are listed on BSE Limited and the National Stock Exchange of India Limited. For further information, please contact: Jayesh Patel, Company Secretary & Compliance Officer Diamond Power Infrastructure Limited Email: cs@dicabs.com | www.dicabs.com 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 Disclaimer / Forward-looking statements This press release contains statements that constitute forward-looking statements, including with respect to the execution and realised value of the order referred to above. These statements are based on current expectations and are subject to risks and uncertainties, including commodity price and foreign exchange movements under the applicable price variation formula, customer schedules, and receipt of formal purchase orders. Actual results may differ materially. The Company undertakes no o [Showing first 8,000 characters — download PDF for full document]