Securities code: 688047 Securities abbreviation: Loongson Zhongke Announcement No.: 2025-003

Loongson Zhongke Technology Co., Ltd

Announcement on the change of the signatory certified public accountant

The board of directors and all directors of the company guarantee that there is no false record, misleading statement or material omission in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Loongson Zhongke Technology Co., Ltd. (hereinafter referred to as the "Company") on September 20, 2024, 2024

On October 9, the sixth meeting of the second board of directors and the first extraordinary general meeting of shareholders in 2024 were held respectively.

The "Proposal on Changing the Accounting Firm for 2024" was reviewed and approved, and it was agreed to change the company's financial and internal control audit institution for 2024 to Zhongxinghua Certified Public Accountants (Special General Partnership) (hereinafter referred to as the abbreviation).

called "ZTE"). For details, please refer to the company's website on the Shanghai Stock Exchange on September 24, 2024

(www.sse.com.cn) The "Announcement of Loongson Zhongke on the Proposed Change of Accounting Firm in 2024" (2024-039) disclosed by Loongson.

Recently, the company received the "Notification Letter on the Change of Signing Accountant" delivered by ZTE, and the relevant changes are hereby announced as follows:

1. Basic information of this change

ZTE Huawei, the auditor of the company's 2024 annual financial statements and internal control, originally appointed Lei Jinrong as the signing certified public accountant to provide 2024 audit services for the company. In view of the change in Lei Jinrong's work, ZTE now appoints Pan Yuetian to replace Lei Jinrong as the signing certified public accountant and continue to complete the company's 2024 annual financial report audit and internal control audit related work. After the change, ZTE Huawei's project partner and signing certified public accountant for 2024 audit services is Zhao Yichao, the signing certified public accountant is Pan Yuetian, and the project quality control reviewer is Yang Li.

2. The basic information of the personnel for this change

(1) Basic information

Pan Yuetian, a certified public accountant in 2023, began to engage in public company auditing in 2020, and in 2024

Started to practice in ZTE, will start to provide audit services for companies in 2025, and signed or reviewed 0 audit reports of listed companies in the past three years.

(2) Information on creditworthiness

In the past three years, the above-mentioned personnel have not been subject to criminal punishment for their professional conduct, administrative punishment, supervision and management measures by the China Securities Regulatory Commission, its dispatched agencies, and industry authorities, or self-regulatory measures and disciplinary sanctions by self-regulatory organizations such as securities trading venues and industry associations.

(3) Independence

There are no circumstances that could affect the independence of the above-mentioned persons.

3. The impact of this change on the company

During this change, the relevant work arrangements will be handed over in an orderly manner, and the changes will not have an impact on the company's 2024 annual financial report audit and internal control audit.

The announcement is hereby made.

Board of Directors of Loongson Zhongke Technology Co., Ltd

February 27, 2025