Investor Presentation

DIAMOND POWER INFRASTRUCTURE LIMITED August 13, 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.: Investor Presentation on Financial Results for Q1 FY2027 Re: ISIN-INE989C01038 Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are submitting herewith the Investor Presentation on the Unaudited Financial Results of the Company for the quarter ended June 30, 2026, for the information of the Members and other stakeholders. The Investor Presentation is also available on the website of the Company at https://dicabs.com/investor/stock-exchanges-disclosures/ Thanking you, Yours sincerely, For, Diamond Power Infrastructure Limited Jayesh Patel Company Secretary ICSI M. No.: A14898 Encl: As above 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 Q1 FY27 Results for the quarter ended 30 June 2026 · August 2026 Q1 FY27 · RESULTS FINANCIAL STATEMENTS Consolidated performance · trends · P&L & order book Q1 FY27 · PERFORMANCE SNAPSHOT Consolidated · ₹ mn · Q1 FY27 vs Q1 FY26 Revenue EBITDA PAT ₹ 6,899 mn ₹ 846 mn ₹ 585 mn Top-line Operating profit · 12.3% margin Net profit · 8.5% margin Q1 FY26 : ₹3,018 mn Q1 FY26 : ₹311 mn Q1 FY26 : ₹201 mn +129% YoY +172% YoY +191% YoY FY26 ₹19,101 mn ₹2,316 mn ₹1,582 mn ~136% ~205% FULL-YEAR Revenue EBITDA · 12.1% PAT · 8.3% L2Y Revenue CAGR L2Y PAT CAGR DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 03 Q1 FY27 · A BREAKOUT QUARTER Consolidated · ₹ mn · the business has more than doubled year-on-year REVENUE EBITDA PAT ₹6,899 ₹846 ₹585 ₹3,018 ₹311 ₹201 Q1 FY26 Q1 FY27 Q1 FY26 Q1 FY27 Q1 FY26 Q1 FY27 2.3× 2.7× 2.9× +129% YoY +172% YoY +191% YoY Revenue 2.3× · EBITDA 2.7× · PAT 2.9× — profit growing faster than sales: operating leverage at work DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 04 Q1 FY27 · KEY HIGHLIGHTS Up 129% YoY to ₹689.9 Cr, led by conductors and EHV & HV cables — volume, +129% Revenue mix and higher realisations the main drivers YoY revenue growth Operating EBITDA of ₹84.6 Cr at a 12.3% margin, up ~196 bps YoY; PAT of ₹58.5 12.3% Margins Cr, up 191% YoY EBITDA margin · +196 bps Outstanding order book of ₹3,687.55 Cr (₹36,876 mn) as on 11-Aug-2026 — up ₹3,688 Cr Order book from ₹32,404 mn at Mar-26 order book · 11-Aug-26 Ramping off the FY26 base (cables 34% / conductors 20% utilisation) — capacity 34% / 20% Capacity headroom remains the core turnaround lever FY26 util. — cables / conductors TS Conductor AECC, data-centre cables, new CCV line and export certification all ₹435 Cr Strategic progressed in the quarter data-centre orders in hand DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 05 Q1 FY27 · REVENUE, EBITDA & PAT TREND Consolidated · ₹ mn · Q1 FY25 → Q1 FY26 → Q1 FY27 REVENUE (₹ mn) EBITDA (₹ mn) PAT (₹ mn) 6,899 846 585 3,018 2,239 241 201 Q1 FY25 Q1 FY26 Q1 FY27 Q1 FY25 Q1 FY26 Q1 FY27 Q1 FY25 Q1 FY26 Q1 FY27 3.1× 3.5× 3.5× in two years in two years in two years DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 06 Q1 FY27 vs Q1 FY26 · P&L COMPARISON Consolidated · ₹ mn & % of revenue · Q1 FY27 vs Q1 FY26 Particulars Q1 FY26 % Rev Q1 FY27 % Rev YoY Revenuefromoperations 3,018 100.0 6,899 100.0 +129% Cost of goodssold 2,434 80.6 5,676 82.3 +133% Contribution 585 19.4 1,223 17.7 +109% Employeebenefits expense 46 1.5 83 1.2 +80% Other operating expenses 230 7.6 370 5.4 +61% Other income 2 0.1 77 1.1 - EBITDA 311 10.3 846 12.3 +172% Depreciation&amortisation 73 2.4 117 1.7 +60% Finance cost 37 1.2 142 2.1 +286% Profit before tax (PBT) 201 6.7 587 8.5 +191% Tax expense 0 0.0 2 0.0 - Net profit (PAT) 201 6.7 585 8.5 +191% EPS(₹, facevalue₹1) 0.38 — 1.11 — +191% DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 07 Q1 FY27 vs Q1 FY26 · MARGIN & OPERATING LEVERAGE Revenue EBITDA margin PAT margin ₹6,899 mn 12.3% 8.5% +129% YoY vs ₹3,018 +196 bps vs 10.3% (Q1 +181 bps vs 6.7% (Q1 mn FY26) FY26) Operating-cost ratio EBITDA EPS (₹1 face value) 6.6% ₹846 mn ₹1.11 down from 9.1% — operating +191% vs ₹0.38 (Q1 leverage FY26) +172% YoY vs ₹311 mn DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 08 Q1 FY27 · REVENUE BY PRODUCT & VOLTAGE CLASS Cables 63% · conductors 34% · others 3% of the quarter's ₹6,899 mn consolidated revenue Cables — by voltage class (₹ mn) Conductors — by type (₹ mn) 1.1 kV 514 AL-59 · Zebra 1,209 3.3 kV 555 AL-59 · Moose 869 11 kV 1,093 AL-59 · Panther 187 22 kV 87 AL-59 · other sizes 62 33 kV 1,907 Total — Conductors 2,327 66 kV 414 TOTAL — Q1 FY27 REVENUE 6,899 132 kV 2 Total — Cables 4,572 DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 09 ORDER BOOK Order book as on 11-Aug-2026 — ₹3,687.55 Cr across cables, conductors & data-centre products By product category · 11-Aug-2026 Outstanding order book (₹ mn) Conductors 51.4%* 36,876 32,404 MV Cables 29.0% Data Centre 11.8% LT & Solar 7.8% 20,281 11,000 TOTALOUTSTANDINGORDER BOOK ₹ 3,687.55 Cr ₹36,876 mn · 12 product lines · variable-price basis Mar-24 Mar-25 Mar-26 11-Aug-26 * ₹845 Cr of the conductor order book is executable in the next financial year (FY28) DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 10 ORDER BOOK · PRODUCT-WISE BREAKDOWN Pending executable value as on 11-August-2026 · ₹3,687.55 Cr across 12 product lines, two families * ₹845 Cr of conductors executable in FY28 TOTALORDERBOOK CONDUCTORS CABLES DATA CENTRE ₹3,687.55 Cr ₹1,896.13 Cr ₹1,791.42 Cr ₹435.00 Cr as on 11-Aug-2026 51.4%*·Product ratings 48.6%· Product ratings 11.8% · MV · in cables # Product Voltage / Type Order Value (₹Cr) Share 1 LT Cable 1.1kV 87.49 2.4% 2 Solar Cable 1.9/ 3.3 kV 199.42 5.4% 3 MVCable 11/ 22kV 545.17 14.8% 4 MVCable 33kV 414.18 11.2% 5 MVCable 66/ 6.6 kV 110.00 3.0% 6 EHVCable 110/132kV 0.16 0.0% 7 Data-CentreCable MV Cables 435.00 11.8% Total—Cables 1,791.42 48.6% 8 AL-59Conductor Zebra 531.40 14.4% 9 AL-59Conductor Moose 378.56 10.3% 10 AL-59Conductor Panther 11.72 0.3% 11 AL-59Conductor Lapwing 973.81 26.4% 12 ACSRConductor Bison 0.64 0.0% Total—Conductors 1,896.13 51.4%* TOTALORDER BOOK 3,687.55 100.0% DIAMONDPOWERINFRASTRUCTURE LIMITED | Q1FY27 | FINANCIAL PRESENTATION 11 Strategy & Business Update SIX WORKSTREAMS COMPOUNDING THE GROWTH ENGINE TS CONDUCTOR AECC ALLIANCE DATA-CENTRE PRODUCTS ECO / HTLS CONDUCTORS Licensed manufacturing partner for Aluminium- EHV / HV / LV cables plus HTLS conductor for the 850 km order secured & executed for a marquee Encapsulated Carbon-Fibre Core (AECC) — data-centre segment — ₹435 Cr MVCC order book Indian buyer, type-tested. Premium, higher- reconductoring at 30–40% lower cost. Product type- already in hand. New copper LV cables facility realisation lines —2,000 km expected in the current tested at Kinectrics lab; participated in tenders worth focused on winning more data-centre orders. FY. ₹1,200 Cr, including ₹500 Cr with PGCIL. CAPACITY ADDITIONS EXPORT & CERTIFICATIONS EHV RANGE UP TO 400 KV 4 CCV and 4 Silane lines commissioned; 1 CCV + 1 145 type tests done · NABL-accredited 700 kV UHV Deepening EHV capability —cable capability up to Silane line under commissioning before March 2027. lab · BIS certified. BASEC / CPR / UL roadmap for 500 kV. Adding 2 aluminium corrugation lines to de- LT cable plant expansion & conductor de- Europe, USA, Middle East & Africa under process — bottleneck 33 kV capacity and build 66–132 kV bottlenecking underway —June 2027. New CCV line opening export order inflow. cables. by Dec 2027. DIAMOND POWER INFRASTRUCTURE LIMITED [Showing first 8,000 characters — download PDF for full document]