Trading Window

June 29, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor Phiroze Jeejeebhoy Towers Plot No.C/1, G-Block Mumbai – 400001, Bandra-Kurla Complex Maharashtra, India Bandra (E) MUMBAI – 400051, India Scrip Code : MSUMI Scrip Code : 543498 Ref.: Intimation of Closure of Trading Window Dear Sir / Madam, Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 the trading window for dealing in shares of the Company shall remain closed for all designated persons including Promoters, Directors, Key Managerial Personnel, Designated Employees and their connected persons from Wednesday, July 1, 2026 until 48 hours after the declaration of the un-audited financial results by the Company for the first quarter ending June 30, 2026. Further, in terms of SEBI circular SEBI/HO/ISD/ISD-PoD-2/P/CIR/2023/124 dated July 19, 2023, the Permanent Account Number of all designated persons and their connected persons will remain frozen during aforesaid trading window closure period for trade in securities of the Company. The date of the Board Meeting to consider and approve the un-audited financial results for the first quarter ending June 30, 2026 will be intimated in due course. The above is submitted for your kind 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