Trading Window

June 26, 2026 To, To The Manager The Manager, Listing Department Listing Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Bandra (E) Dalal Street MUMBAI-400 051 MUMBAI-400 001 Symbol: DENTA Scrip Code: 544345 Company Name: Denta Water and Infra Solutions Limited Dear Sir/Madam, SUB: INTIMATION OF CLOSURE OF TRADING WINDOW Pursuant to provisions of SEBI (Prohibition of Insider Trading) Regulations 2015 and code of conduct of the Company, trading window for dealing in the Company’s share will be closed for all the designated persons, their immediate relatives and other Insiders of the Company as covered under the Company’s Code of Conduct from July 1, 2026 until 48 hours after disclosure of unaudited Financial Results of the Company for the period ending June 30, 2026. The date of the Board Meeting for consideration of unaudited Financial Results for the period ending June 30, 2026, will be informed to you in due course. We request you to kindly take the above on record. Thanking You, For Denta Water and Infra Solutions Limited Sujata Gaonkar Company Secretary and Compliance Officer Denta Water and Infra Solutions Limited CIN: L70109KA2016PLC097869 #40, 3rd Floor, Sri Lakshminarayana Mansion, South End Road, Basavanagudi, Bengaluru 560004 080 - 2991 6509