Kindly refer the attachment

Ref. No.: Sec/59/2026-27 July 22, 2026 BSE Limited The National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Dalal Exchange Plaza, C–1, Block G, Bandra Kurla Street, Fort, Mumbai – 400 001 Complex, Bandra (East), Mumbai – 400 051 Scrip Code: 543334 Trading Symbol: NUVOCO Scrip ID: NUVOCO Scrip Code: NVCL 25 and NVCL 77A Dear Sir/Madam, Sub: Disclosure under Regulations 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (the “Listing Regulations”) Pursuant to Regulation 30 read with Schedule III of the Listing Regulations and SEBI Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated July 11, 2023 (updated as on January 30, 2026), we wish to inform that Company has been assigned ESG Rating of “Crisil ESG 57” by Crisil ESG Ratings & Analytics Limited (“CRISIL”) for the financial year ended March 31, 2025. The said information was received from CRISIL vide email dated July 21, 2026 at 4:52 p.m. The same is being made available on the Company’s website at www.nuvoco.com. We request you to take the above on record. Thanking you, Yours faithfully, For Nuvoco Vistas Corporation Limited Shruta Sanghavi SVP and Company Secretary Nuvoco Vistas Corp. Ltd. Registered Office: Equinox Business Park, Tower-3, East Wing, 4th Floor, Off. Bandra Kurla Complex, LBS Road, Kurla (West), Mumbai-400070 Tel: +91 (0) 22 67692500 / +91 (0) 22 67692525 | Fax: +91 (0) 22 67692572 | website: www.nuvoco.com | CIN- L26940MH1999PLC118229