Expansion of Product Portfolio to 400 kV Transformer Segment

July 24, 2026 Department of Corporate Services Listing Department Bombay Stock Exchange Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Plot No. C/1, G Block, Dalal Street, Fort, Bandra Kurla Complex, Bandra (E), Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 532717 Symbol: INDOTECH Sub: Disclosure of material event/ information pursuant to Regulation 30 (3) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Expansion of Product Portfolio to 400 kV Transformer Segment Dear Sir/ Madam, Pursuant to Regulation 30 (3) read with Para B of Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and the Company's Policy for Determination of Materiality of Events and Information, we wish to inform you that the Company has received approval from NTPC Limited to manufacture transformer in the 400 kV voltage class for Battery Energy Storage System (BESS) projects and we received order for supply of 2 nos. 90 MVA 400 kV transformers through one of the reputed EPC. This approval marks a significant milestone in the Company's technological capabilities and expands its product portfolio from the existing 220 kV range to the 400 kV range. The key details are as follows: 1. Nature of Event: Expansion of the Company's product portfolio and capability to manufacture and supply transformers in the 400 kV voltage class. 2. Background: The Company has received the necessary approval/qualification from NTPC Limited for the supply of 400 kV class transformers for BESS projects. 3. Business Impact: o Entry into the Extra High Voltage (EHV) 400 kV transformer segment. o Enhanced eligibility to participate in large utility, renewable energy, transmission and Battery Energy Storage System (BESS) projects. o Strengthening of the Company's product portfolio and competitive positioning in the power transmission sector. o Expected to provide access to higher-value business opportunities over the medium to long term. The Company shall keep the Stock Exchanges informed of any further material developments in accordance with the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Kindly take the above information on record. For Indo Tech Transformers Limited Karthick. D Compliance Officer