Bagging/Receiving of orders/contracts

DIAMOND POWER INFRASTRUCTURE LIMITED September 17, 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 under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Receipt of order worth ~₹263.25 crore (inclusive of GST) Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with Part B of Schedule III thereto, we wish to inform you that the Company has received a purchase order dated 16 September 2026 worth approximately ₹263.25 crore (inclusive of GST) from a domestic EPC contractor for the supply of power cables and conductors for an urban power infrastructure project of Maharashtra State Electricity Distribution Company Limited (MSEDCL) in Maharashtra. A copy of the Press Release being issued by the Company in this regard is enclosed as Annexure A. The details required under Regulation 30 of the Listing Regulations, read with the applicable SEBI Circular, are 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 – Press Release Annexure B – Disclosure under Regulation 30 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 PRESS RELEASE Diamond Power Infrastructure Limited (DICABS) bags ₹263.25 crore order for cables and conductors for MSEDCL urban power infrastructure in Maharashtra Vadodara, 17 September 2026: Diamond Power Infrastructure Limited (“DPIL” or “the Company”), manufacturer of power cables and conductors under the DICABS brand, has received a purchase order worth approximately ₹263.25 crore (inclusive of GST) for the supply of DICABS make power cables and conductors for an urban power infrastructure project of the Maharashtra State Electricity Distribution Company Limited (MSEDCL) in the Bhandup region of Maharashtra. The order has been placed on the Company by a domestic EPC contractor executing the project. Order highlights • Order value: ~₹263.25 crore, inclusive of GST • End client: Maharashtra State Electricity Distribution Company Limited (MSEDCL) • Segment: Urban power distribution infrastructure – underground cabling and overhead line strengthening • Scope: MV & LV XLPE underground power cables, overhead conductors and control cables, manufactured to MSEDCL specifications • Manufacturing: at the Company’s integrated facility at Vadadala, Vadodara, Gujarat • Guarantee: 66 months from supply or 60 months from commissioning, whichever is earlier Medium-voltage XLPE underground cables form the core of the order. Underground cabling is central to urban distribution upgrades as utilities move to more reliable, weather-resilient and space-efficient networks in dense city areas. The order reinforces DICABS’ position as a preferred supplier to state distribution utilities and adds to the Company’s growing MV cable order book. The order will be priced on a variable basis linked to prevailing aluminium and copper prices and currency, in line with the Company’s practice of protecting margins against raw material volatility. Supplies will be made against a delivery schedule to be finalised following approval of technical particulars and drawings by MSEDCL. Commenting on the order, the management of DPIL said: “This order from a major state utility’s urban infrastructure programme is a strong endorsement of DICABS’ capability across medium-voltage cables, low-voltage cables and conductors under a single roof. Urban underground cabling is one of the fastest- growing segments of India’s distribution sector, and with our backward-integrated aluminium rod mills and expanding MV capacity, we are well placed to execute large, multi-product utility orders with quality and speed.” About Diamond Power Infrastructure Limited Diamond Power Infrastructure Limited, with its DICABS brand and a five-decade legacy, is a manufacturer of power cables (LV, MV, HV and EHV) and overhead conductors, with an installed capacity of 250,000 MT per annum at Vadodara, Gujarat. The Company is backward integrated with its own aluminium rod mills and captive wind power, 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 and serves power utilities, transmission companies, renewable energy developers, EPC contractors and industrial customers across India and overseas. Disclaimer: Certain statements in this release may be forward-looking and are subject to risks and uncertainties that could cause actual results to differ materially. The Company undertakes no obligation to update these statements. Order quantities are indicative and final value is subject to site survey and price variation. 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 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 A domestic EPC contractor, for a project of Maharashtra State Electricity the order / contract Distribution Company Limited (MSEDCL) 2 Nature of the order / contract Purchase order for supply of DICABS make MV & LV XLPE underground power cables, overhead conductors and control cables, as per MSEDCL specifications, for an urban power infrastructure project in the Bhandup region, Maharashtra. Pricing on a variable basis linked to aluminium / copper prices and currency. Quantities are indicative and subject to site survey. Guarantee of 66 months from supply or 60 months from commissioning, whichever is earlier. 3 Whether order / contract Domestic awarded by domestic or international entity 4 Broad consideration / size of Approximately ₹263.25 crore (inclusive of GST) the order 5 Scope / quantity supply MV & LV XLPE underground power cables, overhead conductors and control cables, manufactured to MSEDCL specifications 6 Time period by which the As per delivery schedule to be communicated after approval of GTP and order / contract is to be drawings by MSEDCL executed 7 Whether the promoter / No. promoter group / group The order has been received in the ordinary course of business and at companies have any interest in arm’s length. the entity that awarded the 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. 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