Analysts/Institutional Investor Meet/Con. Call Updates

Prostarm/Secretarial/2026-27/78 November 11, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Mumbai – 400 001 Bandra Kurla Complex, Bandra (E), Mumbai – 400 051 Script Code: 544410 Symbol: PROSTARM Sub: Investor Presentation for Quarter and Half Year ended September 30, 2026 Ref: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (the “SEBI Listing Regulations”) Dear Sir/Madam, This is to inform you that pursuant to Regulation 30 of the SEBI Listing Regulations, please find attached herewith the Investors Presentation for the Quarter and Half Year ended September 30, 2026. These is also being made available on the website of the Company under the tab ‘Investor’ at www.prostarm.com. Kindly take the above information on record. Thanking you, For Prostarm Info Systems Limited Sachin Gupta Company Secretary and Compliance Officer Membership No: F12500 Encl: as above Investor Presentation Q2/H1-FY27 Snapshot 18+ years 5 425+ Dealers 2,00,000+ of Industry Experience Manufacturing Facilities Pan-India Installations INR 11,207 Mn 18.75% 19.58% ROE: 11.51% Total Order in Hand 3-year Revenue CAGR 3-year PAT CAGR ROCE: 16.47% Company Overview Prostarm Info Systems is an Indian power solutions company that designs, manufactures, Revenue (INR Mn) and EBITDA margin (%) assembles and services energy storage and power conditioning equipment. 3,858 3,506 Its core products include UPS systems, inverters and lift inverters, solar hybrid inverters, lithium battery packs, servo stabilizers and isolation transformers. 2,579 1,961 It also builds battery energy storage systems (BESS) for commercial, industrial and utility 13.65% 12.98% 12.00% customers. 8.06% Beyond products, it supplies third-party batteries with buy-back of old units, provides system FY24 FY25 FY26 H1-FY27 integration and rooftop solar EPC, and earns recurring income from rentals, AMC and warranty service. H1-FY27 Segmental Revenue Breakup It serves a diverse range of sectors through a robust network of 425+ dealers, 23 branch offices, Manufactured and multiple sales channels, including tenders, GeM and OEM supplies. Power Solution Products, 27% Value-Added To meet growing demand, the Company has established a new unit and realigned its existing Third-Party Power Services, Solution Products , 1% manufacturing facilities. A 1.2 GWh (single-shift) Battery Energy Storage (BESS) plant has been set up System Integration at Jhajjar, Haryana, along with a new UPS unit in Bakrol, Gujarat in September 2026. The relocation of BESS-EPC, Solutions, Solar EPC the lithium battery manufacturing plant to Bakrol, Gujarat, and transfer of servo stabilizers and Contracts, isolation transformer operations to Mahape, Navi Mumbai in Q2-FY27. Journey Listed on BSE and NSE (3 Jun 2025) First BESS EPC order: Adani Entered AMC Converted to Electricity, 11 MW / 22 MWh services by public limited BESS LOAs: Bihar State Power managing UPS and renamed Set up Prostarm Incorporated as Generation Co. (BOOT, 30 MW / and battery Prostarm Info Bagged a Energy Systems Pvt Empaneled with Prostar Micronova 120 MWh) and KPTCL (BOO, Power Systems systems for a Systems Ltd.; significant RailTel Ltd (PESPL) as a 51% RailTel, NTPC 150 MW / 300 MWh) global ATM empaneled with order for UPS subsidiary to expand Vidyut Vyapar Private Limited in Acquired remaining 49% of brand across another major installation across manufacturing of Nigam and Pune to provide power PESPL, now wholly owned Indiaz PSU bank in the Indian Railways for UPS, solar inverters Airport Authority backup and Executed single 1.8 MW UPS North-East Circle video surveillance and batteries of India conditioning solutions order for industry load 2008 2011 2017 2019 2021 2023 2025 2010 2014 2018 2020 2022 2024 2026 Secured and Empaneled as OEM Awarded INR 136 Completed UPS Set up lithium-ion Expanded lithium- Expanded manufacturing completed a with PSU Bank Mn order from installation at battery packs unit ion battery facility facilities to 5 nationwide: major Pan-India (Bengal Circle) for 1- public Nagpur Airport Launched solar to 1,00,000 UPS installation 25 kVA UPS systems sector oil Entered hybrid inverters, kWh/year 1.2 GWh BESS plant in Jhajjar order worth INR company healthcare and bagged L&T order in Navi Mumbai UPS assembly plant in 100 Mn for ATMs Entered EPC defence sector Installed 300 kVA UPS Empaneled with Bakrol, Bagged Single order segment for as UPS supplier with isolation West Bengal for 3 MW UPS from well rooftop solar PV transformer and IGBT PHED Department known Solar Company and power plants rectifier about 33 MWh of BESS order Acquired assets and from two of the Customers know-how for isolation transformer production Strategic Initiative Built on a Strong Core, Expanding into BESS Our established businesses continue to run and grow. BESS is a new high-growth vertical built on the same foundation. NEW GROWTH VERTICAL ESTABLISHED BUSINESSES Battery Energy Storage Systems (BESS) Power Electronics System Solar EPC Value-Added • UPS Integration Services • BESS assembly & integration • Solar hybrid Inverter/Inverter • IT infrastructure • Rooftop solar • Rentals • PCS / EMS / EPC • Surveillance • Solar + storage • AMC • Stabilizers C&I and utility customer led + • Displays • After-sales support • Lithium Ion Battery existing developer projects Packs • Transformers • Other Power Solution Products One integrated platform: Product · Integration · Solutions · Lifecycle Services · Energy Storage Key Strengths 03 In-House Engineering & Manufacturing 04 Pan-India Sales & Service Network • Dedicated engineering team enabling product customisation • Operates through a widespread service • 24–96 hour heat-run and customer- infrastructure across India, enabling timely specific testing product delivery, installation, and maintenance, which strengthens customer • Manufacturing footprint across 02 Integrated Power & satisfaction and support Pune, Navi Mumbai, Jhajjar and Energy Solutions Bakrol 05 Established Institutional • Broad portfolio across UPS, • 1.2 GWh BESS assembly capacity Customer Base inverters, Li-ion batteries, at Jhajjar stabilizers and transformers • 15+ years of experience in government / institutional business • BESS, solar EPC and system integration capabilities • Customers include Tata, Adani, L&T, Airport Authority, PSU and Pvt Banks, etc • Solutions spanning product supply, installation, rental and • Executed projects for Delhi Metro, L&T, Tata lifecycle support Advanced Systems and high value state police order 01 Deep Power Electronics Expertise 06 Recurring & Lifecycle • Promoter-led team with 18+ Revenue years of experience • 1–5 year warranties, AMC and out-of- • 2,00,000+ installations warranty support across mission-critical • Rentals, battery replacement and buy- applications back programmers' • Installed base creates opportunities for repeat business and cross-selling Promoter Group Ram Agarwal Sonu Ram Agarwal Vikas Agarwal PROMOTER, CEO & WHOLE- PROMOTER & SENIOR PROMOTER, CEO & TIME DIRECTOR MANAGEMENT PERSONNEL WHOLE-TIME DIRECTOR • 18+ years in electrical and • 18+ years in finance and • 18+ years in power electronic control, energy business administration conditioning and storage and power power consumption conditioning • Business Head – Servo solutions & Transformer • Engineering Excellence • Responsible for Award for Young • MBA (Finance), KS procurement and Entrepreneur, Power School of Business inventory Electronics (Divya Media, Management, Gujarat management, Plant May 2022) University operation at Bakrol • Leads business strategy for growth and expansion • B.Com, University of Calcutta Board Of Directors Tapan Ghose Mitali Chatterjee Bhargav Chatterjee CHAIRMAN & NON-EXECUTIVE NON-EXECUTIVE MANAGING DIRECTOR INDEPENDENT DIRECTOR INDEPENDENT DIRECTOR 30+ years in electrical and 42+ years in cybersec [Showing first 8,000 characters — download PDF for full document]