General Updates

QCL/SEC/2026-27/61 September 12, 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 Crisil ESG Ratings & Analytics Ltd. (Crisil ESG Ratings), a SEBI-registered ESG Rating Provider, has voluntarily assigned an ESG rating of ‘66’ (Strong) to the Company based on the publicly available information. The ESG rating has improved from ‘59’ (Adequate) for the Financial Year ended March 31, 2025 to ‘66’ (Strong) for the Financial Year ended March 31, 2026. Please note that the Company has not engaged Crisil ESG Ratings, and the said rating information was communicated to the Company by Crisil ESG Ratings vide their email dated September 11, 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