N.D. Rubber Public Company Limited at its Extraordinary General Meeting of Shareholders held on 12 June 2024, resolved to approve the establishment of a subsidiary as according to the details as follows: Name of the Subsidiary: XTRONIC Company Limited Address: 196 Moo. 10 304 Industrial Park, Tha-Toom, Srimahaphot, Prachinburi 25140 Establishment Date: 31 July 2024 Business Purpose: To conduct business in the electronics industry. The target customer is a group of 5G business operators.

Registered Capital: THB 66,000,000, 66,000,000 ordinary shares at THB 1 per share Paid-up Capital: THB 66,000,000 Shareholding Proportion: N.D. Rubber Public Company Limited 99.99%; Business Type: To be a Testing Center for 5G system equipment, expected to start generating income in 2025.