Receipt of order aggregating Rs. 195.48 crores placed by Rajesh Power services Limited

DIAMOND POWER INFRASTRUCTURE LIMITED August 11, 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: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Receipt of orders aggregating ₹195.48 crore placed by Rajesh Power Services Limited for supply of 11 kV Medium Voltage underground power cables for PGVCL’s Disaster Management (SDMF) and Urban Underground (SI) projects in Gujarat 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 two purchase orders, aggregating to ₹195.48 crore (basic value, excluding GST), from Rajesh Power Services Limited for the supply of 11 kV Medium Voltage (MV) underground power cables for projects of Paschim Gujarat Vij Company Limited (PGVCL) under the State Disaster Mitigation Fund (SDMF) scheme and the System Improvement (Urban Underground) programme in Gujarat, with a focus on coastal areas. The orders are to be executed over the next 12 months. 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 Rajesh Power Services Limited, Ahmedabad ("RPSL"), an EPC the order / contract contractor executing turnkey underground cabling projects awarded by Paschim Gujarat Vij Company Limited ("PGVCL"), a Government of Gujarat power distribution utility. The material is to be supplied for the account of PGVCL. 2 Nature of the order / contract Two Purchase Orders, both dated 11th August 2026, for supply of 11 kV (E) 3-core Aluminium XLPE Armoured (A2XFY) power cables: (i) PO No. PO26-27/582 — approx. 645 km of 11 kV cables (240 / 300 / 95 sq mm) for underground cabling works under PGVCL’s Disaster Management (SDMF) Scheme; and (ii) PO No. PO26-27/584 — approx. 725 km of 11 kV cables (240 / 300 / 185 / 95 sq mm) for underground cabling works under PGVCL’s System Improvement (SI) / Urban Underground programme. The projects pertain to conversion of overhead distribution networks to underground cable networks in Gujarat, with particular focus on coastal areas, to strengthen disaster resilience of the power distribution system. 3 Whether order / contract Domestic awarded by domestic or international entity 4 Broad consideration / size of Aggregate basic order value: ₹195.48 crore (excluding GST) the order [₹230.67 crore including GST], comprising: • PO No. PO26-27/582 — ₹98.21 crore basic (₹115.89 crore including GST); • PO No. PO26-27/584 — ₹97.27 crore basic (₹114.78 crore including GST). Prices are on F.O.R. site basis and are variable, linked to the IEEMA price variation formula (base months March 2026 and January 2026 respectively). The values stated above are at base prices; final realisation will be as per the applicable price variation. 5 Time period by which the The orders are to be executed over the next 12 months. order / contract is to be Supplies shall be made as per the detailed delivery schedule executed and lot-wise manufacturing clearances to be issued upon PGVCL approvals and clearance of BOQ. 6 Significant terms and Payment: 100% including all taxes and duties within 30 days conditions in brief from the date of receipt of invoice. Freight, insurance, packing and forwarding inclusive. Quantities are subject to final site survey and PGVCL approvals. Technical specifications, guarantees and testing as per PGVCL project specifications. 7 Whether the promoter / No. promoter group / group 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 Sr. Particulars Details companies have any interest in The order has been received in the ordinary course of the entity that awarded the business and at arm’s length. order / contract; if yes, nature of interest and details thereof 8 Whether the same would fall No. within related party The transaction does not fall within related party transactions; if yes, whether transactions. 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 Annexure B PRESS RELEASE Diamond Power Infrastructure Ltd (DICABS) receives Medium Voltage cable orders worth ₹195.48 crore from Rajesh Power Services Ltd for PGVCL’s disaster-resilience and urban underground projects in coastal Gujarat Orders cover approx. 1,370 km of 11 kV medium-voltage underground cables — to be executed over the next 12 months — for converting overhead power lines to underground networks under the State Disaster Mitigation Fund (SDMF) scheme and PGVCL’s System Improvement programme Vadodara, 11th August 2026: Diamond Power Infrastructure Limited ("DICABS", BSE: 522163, NSE: DIACABS), one of India’s leading manufacturers of power cables and conductors, has received two purchase orders aggregating ₹195.48 crore (basic value, excluding GST) placed by Rajesh Power Services Limited, an EPC contractor executing turnkey underground cabling projects for Paschim Gujarat Vij Company Limited (PGVCL), the power distribution utility serving the Saurashtra and Kutch regions of Gujarat. The cables will be supplied for the account of PGVCL. The cables will be deployed to convert overhead distribution lines into underground cable networks — a critical resilience measure for Gujarat’s cyclone-prone coastal districts — under two flagship programmes: • Disaster Management (SDMF) Scheme – approx. 645 km of 11 kV, 3-core aluminium XLPE armoured cables (order value ₹98.21 crore) for undergrounding of power distribution networks in coastal areas under the State Disaster Mitigation Fund, aimed at protecting power supply against cyclones and extreme weather events. • System Improvement (SI) / Urban Underground Programme – approx. 725 km of 11 kV, 3-core aluminium XLPE armoured cables (order value ₹97.27 crore) for urban underground cabling works, improving reliability, safety and aesthetics of power supply in cities across the PGVCL area. These Medium Voltage (MV) cables — in sizes ranging from 95 sq mm to 300 sq mm — will be manufactured at the Company’s integrated facility at Vadodara, Gujarat, and the orders will be executed over the next 12 months, as per the delivery schedules finalised with PGVCL. Order values are at base prices on an IEEMA price-variation basis. Commenting on the order win, Mr. Kavish Shah, Vice Presid [Showing first 8,000 characters — download PDF for full document]