Intimation of Earnings Conference Call for the second quarter and half year ended September 30, 2026

October 15, 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, Bandra (E) Maharashtra, India MUMBAI – 400051, India Scrip Code : MSUMI Scrip Code : 543498 Ref.: Intimation of Earnings Conference Call for the second quarter and half year ended September 30, 2026 Dear Sir/ Madam, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform that an Earnings Conference Call for the second quarter and half year ended September 30, 2026, has been scheduled to be held on Friday, October 30, 2026 at 1800 Hours (IST). The details for registration and for joining the call are enclosed. 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 Earnings call : Motherson Sumi Wiring India Limited (MSWIL) Subject : Q2 FY27 financial results Date : 30th October 2026 (Friday) Time : 18:00 hrs IST Management Participants • Mr Vivek Chaand Sehgal, Chairman • Mr Laksh Vaaman Sehgal, Director • Mr Anurag Gahlot, Chief Operating Officer (MSWIL) • Mr Gulshan, Chief Financial Officer (MSWIL) • Mr Pankaj Mital, President and Whole Time Director (SAMIL) Dial-in Details (Toll free) Mumbai Numbers Universally Accessible from all networks and all countries Primary Access Number + 91 22 6280 1277 + 91 22 7115 8164 International Numbers (Toll Free) USA 1 866 746 2133 UK 0 808 101 1573 Singapore 800 101 2045 Hong Kong 800 964 448 Germany 00 800 142 43444 - Click here to connect to your conference call without having to wait for an operator Please dial the numbers at least 5-10 minutes prior to the conference schedule to ensure that you are connected to your call-in time.