Disclosure regarding Investor Presentation under Reg 30 of SEBI LODR for the Half Year ended 30th September 2026.

5th November 2026 The Manager- Listing Department, BSE Limited P.J. Towers, Dalal Street, Fort, Mumbai- 400001, Maharashtra, India. Scrip ID/Code: DESCO/544387 Sub: Disclosure regarding Investor Presentation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 of Desco Infratech Limited (“DESCO”) for the half year ended 30th September 2026 Ref: Intimation under Regulation 30 and other applicable regulations of SEBI (Listing Obligation & Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, With reference to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, Please find enclosed the Investor Presentation of Desco Infratech Limited (“DESCO”) for the half year ended 30th September 2026. The above-mentioned Investor Presentation will also be available on the website of the Company www.descoinfra.com. Kindly take the afore-mentioned submission on your records. Thank You! Yours faithfully, For, DESCO INFRATECH LIMITED CS Tripti Gaggar Company Secretary & Compliance Officer M. No.: A79044 Desco Infratech Limited H A LF YEA R LY IN VESTOR PR ES EN TATION S EPTEMB ER 30, 2026 Safe Harbour Statement This presentation and the accompanying slides have been prepared by Desco Infratech Limited, and have been prepared solely for information purposes and do not constitute any offer, recommendation or invitation to purchase or subscribe for any securities, and shall not form the basis or be relied on in connection with any contract or binding commitment whatsoever. No offering of securities of the Company will be made except by means of a statutory offering document containing detailed information about the Company. This Presentation has been prepared by the Company based on information and data which the Company considers reliable, but the Company makes no representation or warranty, express or implied, whatsoever, and no reliance shall be placed on, the truth, accuracy, completeness, fairness and reasonableness of the contents of this Presentation. This Presentation may not be all-inclusive and may not contain all of the information that you may consider material. Any liability in respect of the contents of, or any omission from, this Presentation is expressly excluded. This presentation contains certain forward-looking statements concerning the Company’s future business prospects and business profitability, which are subject to a number of risks and uncertainties and the actual results could materially differ from those in such forward looking statements. The risks and uncertainties relating to these statements include, but are not limited to, risks and uncertainties regarding fluctuations in earnings, our ability to manage growth, competition (both domestic and international),economic growth in India and abroad, ability to attract and retain highly skilled professionals, time and cost over runs on contracts, our ability to manage our international operations, government policies and actions regulations, interest and other fiscal costs generally prevailing in the economy. The Company does not undertake to make any announcement in case any of these forward-looking statements become materially incorrect in future or update any forward-looking statements made from time to time by or on behalf of the Company. Company At A Glance Building a Diversified Infrastructure Platform Across Energy & Utilities Key Highlights Desco Infratech Limited is an infrastructure company engaged Particulars Company Snapshot in delivering engineering, procurement, construction (EPC), Year of Commencement 2011 and specialized execution services across India’s energy and utility sectors. Headquarters Surat, Gujarat Geographic Presence 14 States Cities Covered 55+ Since commencing operations in 2011, the Company has steadily expanded its capabilities across City Gas Distribution, Infrastructure Projects Completed 340+ Power Distribution, Renewable Energy, Water Infrastructure, Public & Private Sector Organisations 18+ and emerging Clean Energy segments. Served BSE SME Listing April 2025 BSE Scrip Code 544387 H1 FY27 Order Book as on date ₹370+ Crore Project Bidding Capability ₹50 Crore+ Core Business Verticals Civil Power Construction Distribution CBG / Bioenergy Renewable Energy Emerging Water LNG / LCNG / CNG Infrastructure Infrastructure City Gas Distribution Positioned at the Intersection of Infrastructure, Energy and Clean Energy Established Execution Track Record Strong Position in City Gas Distribution Diversified Infrastructure Platform ₹340 Crore+ infrastructure projects CGD remains the Company's largest Presence across CGD, power distribution, executed across 14 states and 55+ business segment, supported by long- renewable-linked infrastructure, water cities, serving 18+ leading public and standing relationships with leading gas distribution and emerging clean-energy private sector organisations. distribution companies. businesses. Growth Strategy & Expansion Opportunities EXPANSION INTO HIGH GROWTH BUSINESSES STRONG ORDER Strategic expansion into CBG / bioenergy, renewable energy and LNG / LCNG / CNG VISIBILITY infrastructure. 370+ Cr (Rs.) H1 FY27 Orderbook as on Date, providing a visible base for future CBG / Renewable LNG / LCNG / Associated execution. Bioenergy Energy CNG Infrastructure infrastructure Growth Strategy & Expansion Opportunities INCREASING PROJECT SIZE CAPABILITY EXPANDING GEOGRAPHIC FOOTPRINT Following its BSE SME listing, the Company Presence across multiple states with increasing participation in southern has enhanced its bidding capability to and other high potential market. participate in projects exceeding ₹50 Crore. Targeting > ₹50 Cr. Larger Projects Project Size Capability 14+ 55+ FOCUS ON EXECUTION, SAFETY & QUALITY ❑ Established execution framework States Cities Proven project execution capabilities across complex infrastructure projects. ❑ HSE focus and long-standing client relationships. Strong emphasis on health, safety, and environmental standards. And supported repeat orders and trusted track record. Diversified Infrastructure & Execution Capabilities Desco Infrastructure Ltd operates through an EPC-led infrastructure model, providing project execution and specialised infrastructure services across energy and utility segments. City Gas Power Renewable Distribution Distribution Energy ▪ Pipeline laying and network ▪ HT & LT infrastructure ▪ Foundational infrastructure development ▪ Cable laying support ▪ Domestic PNG connections ▪ Electrical installation ▪ Renewable energy project ▪ Commercial & Industrial ▪ Erection and execution connections commissioning ▪ Solar-linked infrastructure ▪ CNG station connectivity ▪ Associated infrastructure activities ▪ Testing, commissioning and works associated works ▪ Operations & Maintenance Diversified Infrastructure & Execution Capabilities Water Clean Energy/ Civil Infrastructure Emerging Businesses Construction ▪ Water pipeline installation ▪ Compressed Bio Gas ▪ Roads, Highways, Bridges & ▪ Distribution networks ▪ Bioenergy infrastructure Infrastructure Development ▪ Utility infrastructure ▪ LNG / LCNG / CNG ▪ Water Supply Networks, ▪ Associated civil works infrastructure Pipelines & Distribution ▪ Emerging sustainable energy Systems opportunities ▪ Overhead Tanks, Open Wells & Pumping Stations ▪ Gas Pipeline & Utility Infrastructure ▪ Power Distribution & Transmission Infrastructure ▪ EPC, Engineering, Construction & Maintenance Services Business Model Business Development Engineering & Project Planning Identification of projects → Tender participation Project assessment → Engineering → Planning → Client engagement → Order acquisition → Resource allocation Operations & Maintenance Procurement & Resource Management Maintenance Support → Network O&M → 6 Material Procurement → Manpower Recurring Client Engagement Deployment → Equipment Mobilisation Project Execution Commissioning & Handover 5 4 Pipeline / in [Showing first 8,000 characters — download PDF for full document]