ESG Ratings by SES ESG Research Private Limited

QCL/SEC/2026-27/62 September 16, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Bandra- Kurla Complex, Mumbai – 400 001 Bandra (East), Mumbai – 400 051 Security Code – 539978 NSE Symbol – QUESS Dear Sir/ Madam, Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Part A of Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (SEBI Listing Regulations), we wish to inform that SES ESG Research Private Limited (SES), a SEBI-registered ESG Rating Provider, has voluntarily assigned an ESG rating of ’64.8’ to the Company based on the publicly available information. The Company’s ESG rating has improved from ‘63.3’ for the year 2025 to ‘64.8’ for the year 2026. Please note that the Company has not engaged SES for ESG Ratings, and the said rating information was communicated to the Company by BSE Limited vide their email dated September 15, 2026. The above information will also be available on the website of the Company at www.quesscorp.com. Kindly take the above information on record and oblige. Yours sincerely, For Quess Corp Limited Kundan K Lal Company Secretary & Compliance Officer Membership No.: F8393 Quess Corp Limited Quess Tower, Sky Walk Avenue, 32/4, Hosur Road, Roopena Agrahara, Bommanahalli, Bengaluru– 560068, Karnataka, India Tel: +91 080-49345666 I contactus@quesscorp.com I CIN: L74140KA2007PLC043909 www.quesscorp.com