Setting up of leaf Spring plant at the existing manufacturing facility under Jai Suspensions Limited, Wholly owned subsidiary of the Company.

Jamna Auto Industries Ltd. August 07, 2026 To, To, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Dalal Exchange Plaza, Plot no. C/1, G Block, Street, Mumbai- 400001 Maharashtra Bandra-Kurla Complex, Bandra (E) Mumbai - 400051, Maharashtra BSE Code: 520051 NSE Code: JAMNAAUTO Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Dear Sir, Board of Directors of the Company at their meeting held today, i.e., on August 07, 2026, has approved the setting up of Leaf Spring Manufacturing Facility at the existing manufacturing plant under M/s. Jai Suspensions Limited, wholly owned Subsidiary of the Company. The details as required under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 read dated January 30, 2026, is annexed in Annexure-A. Thanking you, For Jamna Auto Industries Limited Praveen Lakhera Company Secretary & Head-Legal Corp. Off: Unit No. 408,4th Floor, Tower-B, Vatika Mindscapes, Sector-27D, NH2, Faridabad-121003(HR.) Tel. 0129-4006885 Regd Off: Jai Spring Road, Yamuna Nagar (Haryana)-135 001, India Email Id: investor.relations@jaispring.com | Website: www.jaispring.com | CIN: L35911HR1965PLC004485 YAMUNA NAGAR | MALANPUR | CHENNAI | JAMSHEDPUR | PANTNAGAR | HOSUR | PUNE Annexure A Sr. Details of events that need to be informed Information of such events 1 Existing Capacity N.A. 2 Existing Capacity Utilization N.A. 3 Proposed Capacity Setting up of a new Leaf Spring manufacturing facility with a capacity of 1,500 MT per month. 4 Period within which the proposed capacity is Commercial production is expected to start to be added around December 2027. 5 Investment required Proposed investment required is around Rs.47 crore, subject to any increase or decrease by the management. 6 Mode of financing Primarily through internal accruals. 7 Rational To expand the manufacturing capabilities of the Group by establishing a Leaf Spring Manufacturing Facility through a brownfield expansion at Adityapur, Jharkhand enabling the subsidiary to cater primarily to OEMs and the aftermarket in East India while leveraging existing infrastructure and operational synergies. Corp. Off: Unit No. 408,4th Floor, Tower-B, Vatika Mindscapes, Sector-27D, NH2, Faridabad-121003(HR.) Tel. 0129-4006885 Regd Off: Jai Spring Road, Yamuna Nagar (Haryana)-135 001, India Email Id: investor.relations@jaispring.com | Website: www.jaispring.com | CIN: L35911HR1965PLC004485 YAMUNA NAGAR | MALANPUR | CHENNAI | JAMSHEDPUR | PANTNAGAR | HOSUR | PUNE