Structural Digital Database

No. S/BC/1(18-5)/2026/105 July 21, 2026 National Stock Exchange of India Limited Scrip Code: KIOCL Through: NEAPS BSE Limited Scrip Code: 540680, Scrip Name: KIOCL Through: BSE Listing Centre Metropolitan Stock Exchange of India Limited Scrip Code: KIOCL Through: mylisting Dear Sir / Madam, Sub: Compliance Certificate on Structured Digital Database for the quarter ended 30th June, 2026 In pursuance of Regulation 3(5) of the SEBI (Prohibition of Insider Trading) Regulations, 2015, please find enclosed the Compliance Certificate issued by M/s J K Das & Associates, Practicing Company Secretaries, certifying the Structured Digital Database maintained by the Company for the quarter ended June 30, 2026, in the prescribed format. Thanking you, Yours faithfully, For KIOCL Limited, (Clafton Siddarth) Company Secretary & Compliance Officer Email: cs@ kioclltd.in Encl: as above J. K. DAS &ASSOCIATES PlotNo.883, BijanKanan Company Secretaries Bansdroni, Kolkata-700096, Tel:24102892/93 (M):9831204082 Email:jkdascs@gmail.com Web:www.jkdasassociates.com COMPLIANCE CERTIFICATE FOR THE QUARTER ENDED June, 2026 Pursuant to Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 I, Jayakrushna Das, Practicing Company Secretary, having office at PlotNo.883, Bijan Kanan Bansdroni, Kolkata-700096, appointed by KIOCL LIMITED, am aware of the compliance requirement of Structured Digital Database (SDD) pursuant to provisions of Regulation 3(5) and 3(6) of Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 (PIT Regulations) and I certify that: 1. The Company has a Structured Digital Database in place. 2. Control exists as to who can access the SDD. 3. All the UPSI disseminated in the previous quarter have been captured in the Database 4. The system has captured nature of UPSI along with date and time. 5. The database has been maintained internally and audit trail is maintained. 6. The database is non-tamperable and has the capability to maintain the records for 8 years. I also confirm that the Company was required to capture 20 numbers of events during the quarter ended 30th June, 2026 and has captured 20 numbers of the said required events. For J.K. Das & Associates, Company Secretaries CS J.K. Das Partner C. P. No. 4250 Membership No. FCS 7268 Peer Review Certificate No.1748/2022 UDIN: F007268H000834721 Place: Kolkata Date: 14-07-2026