Certificate under SEBI (Depositories and Participants) Regulations, 2018

Date: July 08, 2026 To, To, BSE Limited National Stock Exchange of India Limited Department of Corporate Services Exchange Plaza, Plot No. C/1 Phiroze Jeejeebhoy Towers, 'G' Block, Bandra – Kurla Complex Dalal Street, Bandra East, Mumbai - 400 001 Mumbai - 400 051 Scrip Code: 524091 Trading Symbol: CARYSIL Sub: Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended June 30, 2026 Dear Sir/ Madam, Please find enclosed herewith a certificate under Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended June 30, 2026 received from M/s. Bigshare Services Private Limited, Registrar and Share Transfer Agent of our Company. Kindly take the same on record. Thanking you, Yours Faithfully, For CARYSIL LIMITED REENA SHAH COMPANY SECRETARY & COMPLIANCE OFFICER Bigshare Services Pvt. Ltd. Ref No. BSS/Reg 74(5)/2026 Date: 07/07/2026 CARYSIL LIMITED A-702, 7TH FLOOR, KANAKIA WALL STREET, CHAKALA, ANDHERI KURLA ROAD, ANDHERI (EAST), MUMBAI- 400093 Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th June 2026. Ref:NSDL/CIR/II/5/2019 dated 25th January, 2019 CDSL/OPS/RTA/POLICY/2019/14 dated 25th January, 2019. SEBI vide its letter ref no. MRD/DOP2/DSA2/OW/2019/2498/1 dated 24/01/2019 In reference to the above – captioned regulation we hereby confirm that the securities received from the depository Participants for dematerialization up to 30th June 2026 were 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 of securities. 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 No S6-2, 6th Floor, Pinnacle Business Park,Next to Ahura Centre, Mahakali Caves Road, Andheri (East) Mumbai - 400 093. Tel. : +9122 6263 8200 • Fax : +9122 6263 8299 • Email : info@bigshareonline.com • Website : www.bigshareonline.com