Xilinxmen Health Sleep Technology Co., Ltd. Announcement Regarding the Unauthorized Transfer of Funds from the Accounts of the Company's Subsidiaries and the Protective Freezing of Some Bank Accounts

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Stock Code: 603008 Stock Abbreviation: Xilinmen Announcement Number: 2026-004

Xilinmen Health Sleep Technology Co., Ltd.

Announcement regarding the illegal transfer of funds from the accounts of the company’s controlled subsidiary and the protective freezing of certain bank accounts

The board of directors of the company and all directors guarantee that the content of this announcement does not contain any false records, misleading statements, or significant omissions, and assume legal responsibility for the authenticity, accuracy, and completeness of its content.

Xilinmen Health Sleep Technology Co., Ltd. (hereinafter referred to as “the Company”) has experienced illegal transfers of funds from the accounts of its controlled subsidiary, and certain bank accounts have been frozen by the Company as a protective measure. The relevant situation is announced as follows:

I. Basic Situation

Recently, the Company discovered that the bank accounts of its controlled subsidiary, Xitu Technology Co., Ltd., had funds illegally transferred, totaling 100 million yuan. Upon investigation, the Company found that relevant personnel were suspected of misappropriating Company funds for personal gain using their positions. To further prevent security risks to funds and ensure the safety of the listed company’s funds, the Company applied to the public security authority for a case investigation on March 26, 2026, and has taken protective measures to freeze relevant bank accounts. The specific situation is as follows:

(1) Information on illegally transferred bank accounts

As of the date of this announcement, the situation of illegally transferred funds from the accounts of the Company’s controlled subsidiary is as follows:

Unit: Yuan

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(2) Information on the bank accounts frozen protectively by the Company

As of the date of this announcement, the situation of bank accounts of the Company’s controlled subsidiary that are under freezing status is as follows:

Unit: Yuan

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II. Impact of Bank Account Freezing

As of the date of this announcement, the amount of funds illegally transferred from the bank accounts of the Company’s controlled subsidiary is 100,000,000.00 yuan, and the amount under protective judicial freezing is 900,070,180.00 yuan, totaling 1,000,070,180.00 yuan, accounting for 26.54% of the Company’s most recent audited net assets and 42.69% of the Company’s most recent audited cash funds.

The aforementioned bank account freezing is a proactive protective measure taken by the Company to safeguard fund security, and there is no situation of being frozen by third parties. This matter may cause certain impacts on the normal use of funds by the controlled subsidiary in the short term, but considering the Company’s cash flow situation, it will not significantly adversely affect the overall production and operation activities of the Company. The Company is currently fully cooperating with the public security authority to investigate and verify relevant matters. While ensuring the safety of account funds, it will promote the unfreezing of the frozen accounts and work hard to recover the illegally transferred funds, striving to eliminate related adverse effects as soon as possible and effectively safeguard the legal rights and interests of the Company and all shareholders.

III. Main Measures Taken by the Company

1. The Company has quickly initiated a self-inspection of fund security, strengthening the fund security control system. After ensuring the safety of account funds, it will promptly apply to the public security authority for account unfreezing, restoring normal use of the frozen accounts to minimize adverse impacts on the Company’s normal operation and business.

2. The Company has established communication channels with relevant parties, actively negotiating the return of the transferred funds, and will fully cooperate with the public security authority in handling the investigation of the case to recover the transferred funds quickly, eliminating unsafe factors of the Company’s account funds and ensuring the safety of the Company’s assets.

3. Internally, the Company will hold personnel accountable and rectify internal controls, strengthening all directors and senior management personnel’s knowledge of laws and regulations, enhancing awareness of standardized operations, effectively improving the Company’s governance and internal control management capabilities, and reinforcing the construction and execution of internal control systems.

IV. Related Risk Reminders

1. As of now, there is still a certain level of uncertainty regarding the recovery of the illegally transferred funds. If the funds cannot be recovered, it may adversely affect the Company’s net profit.

2. The unfreezing time of the bank accounts protectively frozen by the Company still has a certain level of uncertainty, which may adversely affect the short-term use of funds and normal operations of the listed company’s subsidiary.

3. The Company’s information is subject to the information disclosed in designated media. The Company will continue to monitor the progress of the above matters and fulfill its information disclosure obligations promptly. Investors are advised to pay attention to investment risks.

This announcement is hereby made.

Board of Directors of Xilinmen Health Sleep Technology Co., Ltd.

March 28, 2026

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