Closure of Trading window

Ref: SEC/JS/ September 24,2026 B S E Limited Floor 1, ‘Phiroze JeeJeebhoy Towers’ Dalal Street Mumbai - 400 001 The Listing Department National Stock Exchange of India Ltd. Exchange Plaza”, Bandra-Kurla Complex,Bandra (E) MUMBAI – 400 051 Company No. 504058 / NIPPOBATRY / Dear Sirs, Sub: Intimation of Closure of Trading Window. Pursuant to the provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended by SEBI (Prohibition of Insider Trading) (Amendment) Regulations, 2018, we wish to inform that the trading window for dealing in the securities of the company shall remain closed for all designated persons including Promoters, Directors, key managerial personnel, employees, insiders, connected persons and their immediate relatives with effect from Thursday, 01st October 2026 till 48 hours after declaration of the unaudited second quarter results of the company. During this period, they will not enter into any transactions involving securities of the Company. The Trading window will open 48 hours after the announcement/declaration of the unaudited financial results for the Half year ended 30th September 2026 to the stock exchanges. The date of Board Meeting shall be intimated to you separately. You are requested to take note of the same in your records for the purpose of further dissemination. Thanking you. Yours faithfully, For Indo National Limited J. Srinivasan Company Secretary lndo National Limited I Corporate office address: Pottipati Plaza, 3rd Floor, 77, Nungambakkam High Road, Chennai – 600034. Registered office address: No. 609, Mount Road, Lakshmi Bhawan IVth FLOOR, Chennai- 600006. CIN No: L31909TN1972PLC006196 I feedback@nippo.in I 044-2827 2711, 044-2824 2700 I www.nippo.in