Announcement on Investment by Controlled Subsidiary and Signing of Investment Agreement

Securities Code: 002993 Securities Abbreviation: Aohai Technology Announcement Number: 2026-032

Dongguan Aohai Technology Co., Ltd.

Announcement on Investment by Controlled Subsidiary and Signing of Investment Agreement

The Company and all members of the Board of Directors guarantee that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or major omissions.

Risk Warning

1. The parties have not formally signed the agreement for this investment matter, and the project implementation requires project filing, environmental impact assessment approval, and lease procedures for R&D and production facilities. Project construction, commissioning, and production require a certain period. If national or local policies are adjusted, or project approval or lease terms change, the project implementation may be subject to changes, delays, suspension, or termination.

2. The funding source for this investment project is the company's self-raised funds. There is uncertainty regarding the timely availability of funds. The company will bear certain financial risks related to fundraising, changes in credit policy, and the smooth flow of financing channels during the investment and construction process.

3. The investment amount, output value, and tax estimates in the investment agreement are preliminary estimates based on the current situation and are subject to uncertainty. They do not represent the company's commitment to future performance. The company will implement the project in phases based on its operating plan, financial situation, and the terms of the agreement.

4. This investment project is a decision made by the company based on the current market environment and its mid-to-long-term strategic development plan. However, external factors such as the macroeconomic environment, industry policies, and market demand, as well as internal factors such as the company's operational management and business expansion, involve certain uncertainties, which may lead to the risk that the investment plan and returns do not meet expectations. Investors are advised to pay attention to investment risks.

5. AI computing infrastructure and humanoid robots are two major new quality productive forces tracks, and related businesses are currently in the early stages of incubation and market development. In 2025, these businesses will not generate any operating revenue, thus accounting for zero proportion of the current revenue of Zhixin Control System Co., Ltd. Given the rapid technological iteration, market demand, and competitive landscape, there are significant variables, and the future revenue realization of these businesses remains uncertain.

Dongguan Aohai Technology Co., Ltd. (hereinafter referred to as the "Company") held the third meeting of the fourth Board of Directors on July 22, 2026, and deliberated and passed the "Proposal on Investment by Controlled Subsidiary and Signing of Investment Agreement." The details are as follows:

I. Overview of External Investment