Credit Rating

Sundram Fasteners Limited REGISTERED & CORPORATE OFFICE 98.A. VII FLOOR DR. RADHAKRISHNAN SALAI. Email: investorshelpdesk@sf1.co.in MYLAPORE, CHENNAI - 600 004, INDIA TELEPHONE , +91 - 44 - 28478500 PAN : AAACS8779D CIN : L35999TN 1962PLCO04943 WEBSITE : www.sundram.com September 21, 2026 National Stock Exchange of India Limited By NEAPS Scrip Symbol - SUNDRMFAST Exchange Plaza, 5th Floor, Plot No. C/1, G Block, Bandra-Kurla Complex, Bandra (East), Mumbai - 400 051 BSE Limited By Listing Centre Scrip Code – 500403 Phiroze Jeejeebhoy Towers, DalaI Street, Fort, Mumbai - 400 001 Dear Sir / Madam, Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Intimation of re-afFirmation of rating In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that CRISIL Ratings Limited, credit rating agency, vide its letters dated September 21, 2026, has re-affirmed the rating for the following instruments of the Company: Instrument Name Rating Outstanding Short Term Debt CRISIL Al+ Commercial Paper Please take the above information on record. Thanking you, Yours truly, For Sundram Fasteners Limited G Anand Babu Senior Manager- Finance & Company Secretary