Compliances Certificate under Reg.74(5) of SEBI (DP)Regulations, 2018

REF: SISL/CORP/2026-27 07th October 2026 BSE Limited The Manager, Listing Department Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai 400001 BSE SCRIP CODE: 523606 / DEMAT ISIN: INE438E01032 Dear Madam/Sir, Sub: Certificate under Reg. 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the period ended 01.09.2026 to 30.09.2026. In compliance with Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018. Please find the enclosed certificate received from Integrated Registry Management Services Private Limited, the Registrar and Share Transfer agent of the Company for the period ended 01.09.2026 to 30.09.2026. Kindly take the same on record. Thank you, Yours truly, for Sika Interplant Systems Limited Suraj Kumar Sahu Company Secretary & Compliance Officer M No: 35855 Encl: a/a SIKA INTERPLANT SYSTEMS LIMITED | CIN: L29190KA1985PLC007363 | www.sikaglobal.com Corporate & Sales Office: 3 Gangadharchetty Road, Bangalore 560 042 (KA) Tel: +91 (80) 49299144 | Fax: +91 (80) 25599501 | E-mail: comp.sec@sikaglobal.com Manufacturing & MRO: Sika Technology Centre, Bommasandra, Bangalore IRMSPL/SIKA/09SS/SEP2026 October6,2026 SikaInterplantSystemsLimited No03GangadharChettyRoad Dr.SharmaBuilding Bangalore–560042 KindAttn:Mr.SurajKumarSahu -CompanySecretary&ComplainceOfficer DearSir, Certificate pursuant to Regulation 74(5) of SEBI (Depositories and Participants) Sub: Regulations,2018-Fortheperiod01.09.2026to30.09.2026 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 fortheperiod01.09.2026to30.09.2026. 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”