Submission of Pre dispatch of Annual Report Newspaper publication regarding 23rd Annual General Meeting to be held on Saturday, 12th September, 2026 at 12:00 Noon (IST) through VC/OAVM.

12.08.2026 BSE Limited National Stock Exchange of India Limited Phiroze JeeJeebhoy Towers, Exchange Plaza, Plot no. C/1, Dalal Street, G Block, Bandra-Kurla Complex Fort, Bandra (E), Mumbai – 400 001 Mumbai - 400 051 Scrip Code: 543318 Trading Symbol: CLEAN Subject: Submission of Newspaper Publication regarding 23rd Annual General Meeting. Dear Sir/Madam Pursuant to Regulation 30 and Regulation 47 of the SEBI (Listing Obligation and Disclosure Requirements) Regulations, 2015, and in compliance with Section 108 of the Companies Act, 2013 read with Rule 20 of Companies (Management and Administration) Rules, 2014, MCA , Circular No. 03/2025 dated 22nd September, 2025 (in continuation to the circulars issued earlier in this regard), please find enclosed copies of newspaper advertisement published in Financial Express (English edition) and Loksatta (Marathi edition ) on 12th August, 2026 regarding the following – a) The 23rd Annual General Meeting of the Company to be held on Saturday, 12th September, 2026 at 12.00 Noon (IST) through Video Conferencing (VC) / Other Audio-Visual Means (OAVM); b) Notice to members for updating their bank details, e-mail addresses, income tax forms for availing tax exemptions/deduction of tax at lower rates. c) Remote e-voting/ e-voting facility offered to the members for the 23rd Annual General Meeting and other matters as required under MCA Circular. You are requested to take the same on record. Thanking You. For Clean Science and Technology Limited Ruchita Vij Company Secretary and Compliance officer Encl: As above