Securities Code: 688111 Securities abbreviation: Jinshan Office Announcement No.: 2023-009

Beijing Kingsoft Office Software Co., Ltd.

Announcement on Authorizing the Continued Use of Idle Own Funds to Purchase Financial Products

the company's board of directors and all directors to ensure that the contents of this announcement does not exist any false records, misleading statements or major omissions, and the authenticity, accuracy and completeness of the contents of the legal responsibility.

Beijing Jinshan Office Software Co., Ltd. (hereinafter referred to as the "Company") was called on March 21, 2023.

The eighth meeting of the third board of directors and the seventh meeting of the third board of supervisors were held. The meeting deliberated and passed the proposal on authorizing the continued use of idle self owned funds to purchase financial products. On the premise of ensuring the daily operating capital demand and capital safety, the company (including directly or indirectly controlled subsidiaries) agreed to use temporarily idle self owned funds not exceeding RMB 8,500 million to purchase low-risk financial products with high security and good liquidity, the validity period is from the date of deliberation and approval at the annual general meeting of shareholders in 2022 to the time of the annual general meeting of shareholders in 2023. During the above amount and period, the balance of financial products shall not exceed the above limit. The transaction amount of financial products purchased by the company can be allocated according to the actual situation, and the funds within the above amount can be used on a rolling basis. At the same time, the chairman of the board of directors is authorized to sign relevant legal documents or make decisions on related matters, and agrees that the specific investment activities shall be organized and implemented by the company's finance department. The details are as follows:

1. the use of temporarily idle own funds to purchase wealth management products

1. Investment purpose

In order to improve the efficiency of the use of funds, without affecting the normal operation of the company, the use of temporarily idle own funds to buy financial products, increase the company's income.

2, the source of funds and investment quota.

The source of funds for this purchase of wealth management products is the temporarily idle self-owned funds of the company or wholly-owned or holding subsidiaries, and the amount does not exceed RMB 8,500 million. The funds can be used on a rolling basis within the validity period of the above-mentioned amount and resolution.

3. Investment varieties

The company will strictly control the risk in accordance with the relevant regulations, conduct a strict assessment of financial products, and choose the risk of more

Low, better liquidity, relatively good return on investment financial products.

4. Resolution validity

The resolution is valid from the date of approval at the 2022 Annual General Meeting to the 2023 Annual General Meeting.

5. Implementation mode

Within the limit, the board of directors of the company authorizes the chairman of the board of directors to sign relevant legal documents or make decisions on related matters. The specific investment activities are jointly organized and implemented by the company's finance department.

6. Information Disclosure

The Company will perform its information disclosure obligations in a timely manner in accordance with the requirements of the Company Law, the Securities Law, the Rules Governing the Listing of Stocks on the Shanghai Stock Exchange's Science and Technology Board and other relevant rules.

7. Description of Association Relationship

The trustees of the Company's proposed purchase of wealth management products are banks and there is no relationship with the Company.

2. Investment Risk Analysis and Risk Control Measures

1. Investment risk

(1) Due to the impact of market fluctuations, financial products have certain interest rate risk;

(2) The company will intervene in a timely and appropriate amount according to the economic situation and changes in the financial market, so the actual return on short-term investment is unpredictable;

(3) There are policy risks in investment due to changes in national macro policies and market-related policies that may affect the expected returns of financial products or the security of financial principal;

(4) The operational risk of the relevant staff.

2. Risk control measures

(1) After the approval of the board of directors of the company, the board of directors authorizes the chairman of the company to sign the relevant contract documents within the above investment amount. The relevant personnel of the company's financial department will analyze and track the investment direction of financial products and the progress of the project in a timely manner, and if the assessment finds that there are risk factors that may affect the safety of the company's funds, they will take corresponding measures in a timely manner.

measures to control investment risk.

(2) The Company and its subsidiaries purchase financial products with high security and good liquidity, with controllable risks. At the same time, we should strictly abide by the principle of prudent investment, screen investment objects, and select products issued by units with good reputation, large scale, ability to ensure the safety of funds, good operating efficiency and strong capital operation ability. The company will track the investment of wealth management products in a timely manner according to market conditions. If potential risk factors are found, it will organize an assessment and take corresponding preservation measures in a timely manner based on the assessment results to control investment risks.

(3) The Company and its subsidiaries have established and improved a special system for the management of the Company's funds in accordance with the requirements of relevant laws and regulations, standardized the approval and implementation procedures for cash management, and ensured the effective development and standardized operation of cash management matters.

(4) The board of directors of the company will perform its information disclosure obligations in a timely manner in accordance with the relevant regulations of the Shanghai Stock Exchange.

Impact of 3. on the Company

1. Based on the principles of standardized operation, risk prevention, prudent investment, and value preservation and appreciation, the company uses idle self-owned funds to purchase low-risk, high-liquidity wealth management products, which is implemented under the premise of ensuring the liquidity required for daily operations., Did not affect the company's normal production and operation.

2. Through moderate investment in capital preservation financial products, the company can improve the efficiency of capital use, increase investment efficiency, further improve the overall performance level of the company, and seek more investment returns for the company's shareholders.

4. review process

The eighth meeting of the third board of directors and the third board of supervisors held on March 21, 2023

The seven meetings deliberated and passed the proposal on authorizing the continued use of idle self owned funds to purchase financial products, and agreed that the company (including its wholly-owned and holding subsidiaries) should use temporarily idle self owned funds not exceeding RMB 8,500 million to purchase financial products, The validity period is from the date of deliberation and approval of the annual general meeting of shareholders in 2022 to the time of the annual general meeting of shareholders in 2023, Funds can be used in a rolling manner. At the same time, the chairman of the board of directors is authorized to sign relevant legal documents or make decisions on related matters, and agrees that the specific investment activities shall be organized and implemented by the company's finance department. The matter still needs to be submitted to the company's 2022 annual general meeting for consideration. The independent directors of the company expressed their independent opinions on this matter. For details, please refer to the "Beijing Jinshan Office Software Co., Ltd. Independent Directors on the Eighth Meeting of the Third Board of Directors of the Company" disclosed on the Shanghai Stock Exchange website (www.sse.com.cn) on the same day.

Independent opinion on the relevant bill.

It is hereby announced.

Beijing Kingsoft Office Software Co., Ltd.

Board of Directors

22 March 2023