Credit Rating

July 02, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor Phiroze Jeejeebhoy Towers Plot No.C/1, G-Block Dalal Street Bandra-Kurla Complex Mumbai – 400001, Maharashtra, Bandra (E) India MUMBAI – 400051, India Scrip Code: MSUMI Scrip Code: 543498 Subject: Ratings Update Dear Sir/Madam, The rating agency, namely, India Ratings and Research Private Limited (a Fitch Group Company) (“IND-Ra”) has affirmed/ updated following ratings: S. No Particulars Rated Limits Revised Rating Previous rating (million) 1. Bank Loan Facilities INR 6,000 IND A1+ (Affirmed) IND A1+ (Assigned) The summary of rating action and rationale issued by India Ratings & Research Private Limited is available at: Link The above is submitted pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 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