Certificate under SEBI (Depositories and Participants) Regulations, 2018

July 07, 2026 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, Subject: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 Please find enclosed herewith a Certificate received under Regulation 74(5) of SEBI (Depositaries and Participants) Regulations, 2018, from M/s Integrated Registry Management Services Private Limited having its registered office at #30, Ramana Residency, 4th Cross, Sampige Road, Malleswaram, Bangalore – 560 003. the Registrar and Share Transfer Agent of the Company for the Quarter ended June 30, 2026. Kindly take the same on your record. Thanking you. For Denta Water and Infra Solutions Limited Sujata Gaonkar Company Secretary and Compliance Officer Encl.: As above Denta Water and Infra Solutions Limited CIN: L70109KA2016PLC097869 #40, 3rd Floor, Sri Lakshminarayana Mansion, South End Road, Basavanagudi, Bengaluru 560004 080 - 2991 6509 IRMSPL/DENTA/06SS/JUN2026 July6,2026 DentaWaterandInfraSolutionsLtd, 40,SriLakshminarayanaMansion, 3rdFloor,SouthEndRoad, Basavanagudi, Bangalore-560004 KindAttn:Ms.SujataGaonkar-CompanySecretary&ComplianceOfficer DearSir/Madam, Certificate pursuant to Regulation 74(5) of SEBI (Depositories and Participants) Sub: Regulations,2018-Fortheperiod01.04.2026to30.06.2026 This has reference to the Regulation 74(5) of SEBI (Depositories and Participants) Regulations 2018, we hereby confirm that we have not received any request for dematerialisation or rematerialisation of shares fortheperiod01.04.2026to30.06.2026. ThankingYou. Yoursfaithfully, ForIntegratedRegistryManagementServicesPrivateLimited SGiridhar GeneralManager. Page:1/1 INTEGRATED REGISTRYMANAGEMENT SERVICES PRIVATELTD #30, RamanaResidency,4thCross, SampigeRoad, Malleswaram,Bangalore–560003. PhoneNo.:08023460815to818 FaxNo.:08023460819 FixedDepositsrelatedquery EmailID:fd@integratedindia.in/SharesrelatedqueryEmailID:giri@integratedindia.in Regd.Office: 2ndFloor,KencesTowers,No.1,RamakrishnaStreet,NorthUsmanRoad,T. Nagar,Chennai–600017 CIN:U74900TN2015PTC101466;SEBIRegnNo: INR000000544 “Appointmentofanomineeforthesharesheldbyyouisnotanoptionbutyourright!!Pleaseexerciseyourrighttonominate”