Analysts/Institutional Investor Meet/Con. Call Updates

August 26, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor Phiroze Jeejeebhoy Towers, Plot No. C/1, G-Block Dalal Street Mumbai – 400001, Bandra-Kurla Complex Maharashtra, India Bandra (E) MUMBAI – 400051, India Scrip Code: MSUMI Scrip Code: 543498 Ref.: Investor Meeting Dear Sir/ Madam, Pursuant to Regulation 30(6) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with part A of Schedule III to the Regulations, we wish to inform that the management of the Company intends to engage in discussions with Investors as per the following schedule: Date Place Purpose Type of Organized by Meeting Wednesday, Mumbai Investor Conference Group Elara September 2, 2026 Meetings Securities 1000 Hours (IST) to (India) Private 1650 Hours (IST) Limited The Schedule of the aforesaid meeting is subject to change due to exigencies on the part of Investor/Company. No unpublished price sensitive information pertaining to the Company is shared at the abovesaid Meeting The above is for your information and records. Thanking you, Yours truly, For Motherson Sumi Wiring India Limited Pooja Mehra Company Secretary Regd. Office: Motherson Sumi Wiring India Limited Unit – 705, C Wing, ONE BKC, G Block Bandra Kurla Complex, Bandra East Mumbai – 400051, Maharashtra (India) Tel: 022-61354800, Fax: 022-61354801 CIN No.: L29306MH2020PLC341326 E-mail: investorrelations@mswil.motherson.com website: www.mswil.motherson.com