Announcement under Regulation 30 for new business award of HVAC Units

SL/BSE/NSE/2026-27 October 27, 2026 The Manager, Dy. General Manager, Listing Department, Department of Corporate Services, National Stock Exchange of India Ltd., BSE LIMITED, ‘Exchange Plaza’ C-1, Block G, First Floor, P.J. Towers, Bandra-Kurla Complex, Bandra (E), Dalal Street, Fort, Mumbai-400 051. Mumbai – 400001. Security ID: SUBROS Security ID: 517168 Dear Sir/Madam, Sub: Press Release –New business Award of HVAC Units Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform as below: New Delhi, October 27, 2026: The Company has received confirmation of a new business award for supply of HVAC Assembly from Maruti Suzuki India Limited (MSIL). The approximate value of the business award is Rs. 1225 Crores (value spread over the total life cycle of model for about seven years). This Business award will enhance the Company’s presence and Business growth in western region. It further strengthens Subros long-standing relationship with MSIL and reinforces our position as a leading automotive thermal systems manufacturer in India. Company Brief Subros Limited founded in 1985 as a joint venture with Suri family of India, DENSO Corporation & Suzuki Motor Corporation, Japan; is the leading manufacturer of thermal products for automotive applications in India, in technical collaboration with DENSO Corporation, Japan. The Company is the only integrated manufacturing unit in India for Auto Air Conditioning systems and Thermal Products. Subros Limited manufactures compressors, condensers, heat exchangers and all connecting elements required to complete AC loop and caters to all segments viz. Passenger Vehicles, Buses, Trucks, Refrigeration Transport and Railways. This is for your information and record please Thanking you, Yours faithfully, For SUBROS LIMITED Kamal Samtani Company Secretary SUBROS LIMITED Corporate & Registered Office: LGF, World Trade Centre, Barakhamba Lane, New Delhi 110001 (India). Tel: 23414946-49 I Website: www.subros.com I CIN:L74899DL1985PLC020134 Annexure- A Details required under Regulations 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026. Name of the entity awarding the i. Maruti Suzuki India Limited (MSIL) order(s)/contract(s); Significant terms and conditions of In terms of existing Basic Purchase order(s)/contract(s) awarded in brief; Agreement with MSIL Whether order(s) / contract(s) have iii. been awarded by domestic/ For the Domestic entity international entity; iv. Nature of order(s) / contract(s); Supply of the YM3 & YU0 HVAC Assembly v. Whether domestic or international; Domestic Seven years (approx.) commencing from Time period by which the vi. respective start of production as per o rder(s)/contract(s) is to be executed; customer milestone Broad consideration or size of the vii. Rs. 1225 Crores (approx.) order(s)/contract(s); Whether the promoter/ promoter group / group companies have any viii. interest in the entity that awarded the No order(s)/contract(s)? If yes, nature of interest and details thereof; Whether the order(s)/contract(s) would fall within related party ix. Yes, at arm’s length transactions? If yes, whether the same is done at “arm’s length”. SUBROS LIMITED Corporate & Registered Office: LGF, World Trade Centre, Barakhamba Lane, New Delhi 110001 (India). Tel: 23414946-49 I Website: www.subros.com I CIN:L74899DL1985PLC020134