Certificate under SEBI (Depositories and Participants) Regulations, 2018

KRN HEAT EXCHANGER AND REFRIGERATION LIMITED Registered & Work Office: Plot No.: F-46,47,48,49, EPIP, RIICO Industrial Area, Neemrana – 301705 (RJ) CIN No.: L29309RJ2017PLC058905 Contact No. 9116629184 Date: 6th October, 2026 To, To, BSE Ltd National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- Exchange Plaza, C-I Block G, Bandra Kurla Complex, Bandra 400001, Maharashtra, India (East), Mumbai-400051, Maharashtra, India Script Code: 544263 Script Symbol: KRN ISIN: INE0Q3J01015 Sub: Certificate pursuant to Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 Dear Sir/Madam, Pursuant the Regulation 74 (5) of SEBI (Depositories and Participants) Regulations, 2018, please find enclosed herewith the Certificate issued by the Registrar and Share Transfer Agent of the Company i.e. Bigshare Services Private Limited for the quarter ended on 30th September, 2026. We request you to kindly take the same on your record. Thanking You For KRN Heat Exchanger and Refrigeration Limited Jitendra Kumar Sharma Company Secretary (+91)-9116629184 info@krnheatexchanger.com www.krnheatexchanger.com Bigshare Services Pvt. Ltd. Ref No. BSS/Reg 74(5)/2026 Date: 06/10/2026 KRN HEAT EXCHANGER AND REFRIGERATION LTD PLOT NO F-46 47 48 49 EPIP RIICO INDUSTRIAL AREA NEEMRANA 301705 Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarterended 30th September2026. Dear Sir, In reference to the above captioned regulation we hereby confirm that the securities received from the depository Participants for dematerialization up to 30th September2026were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchange where the earlier issued securities are listed. We hereby confirm that the security certificates received for dematerialization have been mutilated & cancelled after due verification by the depository Participant and the name of the depositories have been substituted in register of members as registered owner within 15 days of receipt of certificate ofsecurities. Note: We hereby confirm that during the quarter ended 30th September2026, we have not received any Demat & Remat request for processing. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For Bigshare Services Pvt. Ltd., Sandeep More Authorised Signatory CIN : U99999MH1994PTC076534 Regd. Office: Office NoS6-2,6thFloor, Pinnacle Business Park,NexttoAhuraCentre, Mahakali Caves Road,Andheri(East) Mumbai-400093.Tel.:+912262638200 Fax:+9122 62638299 Email:info@bigshareonline.com Website : www.bigshareonline.com