Certificate under Reg 74 (5) for the quarter ended 30th September 2026

OTCO OTCO INTERNATIONAL LIMITED Regd. & Head Office: P-41, 9A Main, LIC colony, Jeevanbhima Nagar, HAL 3rd Stage, New Evolving With Passion Thippasandra, Bangalore-560075, Karnataka, India. Tel: + 91-9789053807 Email: info@otco.in Website: www.otco.in CIN: L17114KA2001PLC028611 Date: 8th October, 2026 BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai-400 001 Dear Sirs, Sub: Compliance under Regulation 74(5) of SEBI {Depositories & Participants) Regulations, 2018 Ref: OTCO INTERNATIONAL LIMITED (Scrip Code: 523151) In reference to the above captioned subject, we enclose herewith a confirmation certificate dated 08th October, 2026 issued by Integrated Registry Management Services Private Limited, Registrar & Share transfer Agent (RTA) of the company confirming that the compliance under regulation 74(5) of the SEBI (Depositories and Participants) Regulation, 2018 for the quarter ended 30th September, 2026. This is for your information and records. Thanking You, Yours Faithfully, For OTCO International Limited. Madhusmita Panda Company Secretary & Compliance Officer Date: 8th October, 2026 The Company Secretary Otco International Limited Ground Floor, P-41, 9A Main LIC Colony, Jeevanbhima Nagar, HAL 3rd Stage HAL 3rd Stage, New Thippasandra Bengaluru – 560075 Dear Sir/Madam, Sub: Confirmation Certificate in the matter of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulation, 2018. In reference to the above captioned subject, we hereby confirm that the securities received from the depository participants for dematerialization during the quarter ended 30th September, 2026, were confirmed (accepted / rejected) to the depositories by us and the securities comprised in the said Certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the said Certificates received for dematerialization have been mutilated and cancelled after due verification and the name of the depositories have been substituted in register of members as the registered owner within 15 days. We request you to kindly take note of the above in your records. Thanking you Yours faithfully, For Integrated Registry Management Services Private Limited S Giridhar General Manager INTEGRATED REGISTRY MANAGEMENT SERVICES PRIVATE LIMITED #30, Ramana Residency, 4th Cross, Sampige Road, Malleswaram, Bangalore – 560 003. Phone No.: 080 2346 0815 to 818 Fax No.: 080 2346 0819 Email ID: irg@integratedindia.in Regd.Office: 2nd Floor,Kences Towers, No.1, Ramakrishna Street, North Usman Road, T. Nagar, Chennai – 600 017 CIN NO U74900TN2015PTC101466; SEBI Regn No: INR000000544 “Appointment of a nominee for the shares held by you is not an option but your right!! Please exercise your right to nominate”