General Updates

July 8, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor Phiroze Jeejeebhoy Towers Dalal Plot No. C/1, G-Block Street Bandra-Kurla Complex Mumbai- 400001, Bandra (E) Maharashtra, India MUMBAI – 400051, India Scrip Code : MSUMI Scrip Code : 543498 Subject: Dispatch of letter to shareholders whose e-mail addresses are not registered with Company/Registrar & Transfer Agent/Depository Participants. Dear Sir/ Madam, Pursuant to Regulation 36(1)(b) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith letter sent to those Members who have not registered their e-mail address(es) with the Company/ KFin Technologies Limited - Registrar and Transfer Agent/ Depository Participant(s), providing web-link of the Annual Report for the Financial Year 2025-26 and Notice of the 6th Annual General 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 Motherson Sumi Wiring India Limited Regd. Office: Unit 705, C Wing, ONE BKC, G Block, Bandra Kurla Complex, Bandra East, Mumbai - 400051, Maharashtra CIN: L29306MH2020PLC51326 Phone: +91 022 61354800; Fax: +91 022 61354801 Corporate Office: 5th Floor, Plot No. 1, Sector-127, Noida- Greater Noida Expressway, Noida-201301 (Uttar Pradesh) Phone: +91 120 6679500; Fax: +91 120 2521866; E-mail: investorrelations@mswil.motherson.com Date: July 7, 2026 Dear Member, Sub.: Notice of 6th Annual General Meeting and Annual Report of the Company for the Financial Year 2025-26 Folio No.: 10601 - 1201060100182574 We are pleased to inform you that the 6th Annual General Meeting ('AGM') of the Company will be held on Tuesday, July 28, 2026 at 1215 Hours (IST) through Video Conferencing/Other Audio-Visual Means ('VC/OAVM') in accordance with the applicable circulars issued by the Ministry of Corporate Affairs and Securities and Exchange Board of India. In compliance with Regulation 36(1)(b) of the Listing Regulations, this is to inform you that the Notice of the AGM and complete Annual Report of the Company for financial year 2025-26 are available on the website of the Company at the below path: Notice of the 6th AGM https://www.mswil.motherson.com/storage/annual- report/2025-26/AGM_Notice_2025-26.pdf Annual Report for F.Y. https://www.mswil.motherson.com/storage/annual- 2025-26 report/2025-26/MSWIL-AR-2025-26.pdf E-voting Details Cut-off date to determine entitlement for e-voting in July 21, 2026 respect of the businesses to be transacted at the AGM E-voting start date and time July 24, 2026 at 0900 Hours (IST) E-voting end date and time July 27, 2026 at 1700 Hours (IST) The Members are advised to register or update their email IDs with the Depository Participants/Registrar to receive all communications electronically. Manner of registering/updating e-mail address and other KYC details: Members holding shares in Demat form are advised to register/update the particulars of their e-mail address, bank account, change of postal address and mobile number etc. with their respective DPs. The e-mail address registered with the DPs will be used for sending official communications from the Company. NSDL has also provided a facility for registration/ updation of e-mail address through the link: https://eservices.nsdl.com/kyc-attributes/#/login . In case of any queries, Members may send an email to the Company's Registrar and Transfer Agent ('RTA') at: KFIN Technologies Limited (Unit: Motherson Sumi Wiring India Limited) Selenium Tower B, Plot Nos. 31 & 32, Gachibowli Financial District, Nanakramguda, Hyderabad - 500032, Phone No.: +914067161599 Email ID: einward.ris@kfintech.com For Motherson Sumi Wiring Limited sd/- Pooja Mehra Company Secretary