Announcement under regulation 30 of SEBI LODR- Disclosure on rating.

September 25, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra – Kurla Complex, Dalal Street, Mumbai - 400023 Bandra (E), Mumbai - 400051 BSE Code: 532926 Scrip Code: JYOTHYLAB Dear Sir / Madam, Sub: Update on Credit Rating pursuant to Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform you that CARE Ratings Limited (CARE), by its letter dated September 24, 2026, has informed that they have reviewed and reaffirmed the following rating of the Company: Instrument / Facility Amount Rating Rating Action Long term bank Rs. 250 crores CARE AA; Stable Reaffirmed facilities Kindly take the above on your record and disseminate the same for the information of investors. Thanking you, Yours faithfully, For Jyothy Labs Limited Shreyas Trivedi Head – Legal & Company Secretary Jyothy Labs Limited CIN: L24240MH1992PLC128651 ‘Ujala House’, Ramkrishna Mandir Road, Kondivita, Andheri (East), Mumbai 400059. Tel: +91 022-6689 2800 | Fax: +91 022-6689 2805 info@jyothy.com | www.jyothylabs.com