Securities code: 688111 Securities abbreviation: Kingsoft Office Announcement No.: 2024-055

Beijing Kingsoft Office Software Co., Ltd

Announcement on Participation in the 2024 Semi-Annual Software Industry Collective Performance Briefing

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content.

Important Content Notes:

Meeting time: September 13, 2024 (Friday) 14:00-16:00 p.m

Venue: Shanghai Stock Exchange Roadshow Center of Shanghai Stock Exchange (website:

https://roadshow.sseinfo.com/）

The meeting was held in a way that was interactive with text on the Internet

Investors can submit by email or phone before 16:00 on September 12, 2024 (Thursday).

Issues that need to be understood and concerned are provided to the company in advance. The company will be in a text interactive session for investors

Questions of general concern are answered.

Beijing Kingsoft Office Software Co., Ltd. (hereinafter referred to as the "Company") has been released on August 21, 2024

Disclosure of the company's 2024 semi-annual report on the website of the Shanghai Stock Exchange (www.sse.com.cn). In order to facilitate investors to have a more comprehensive and in-depth understanding of the company's 2024 semi-annual operating results, financial status and development philosophy, the company will participate in the 2024 semi-annual software industry collective performance briefing hosted by the Shanghai Stock Exchange http://roadshow.sseinfo.com/.

1. Types of briefings

The investor briefing will be held in the form of online text interaction, and the company will interact and communicate with investors on the specific situation of operating results and financial indicators in the first half of 2024, and answer questions of general concern to investors within the scope of information disclosure.

2. The time and place of the briefing

(1) Meeting time: 14:00-16:00 on September 13, 2024 (Friday).

(2) The method of convening the meeting: online text interaction

(3) Venue: Shanghai Stock Exchange Roadshow Center of Shanghai Stock Exchange (website:

http://roadshow.sseinfo.com/）

(4) Investors can send them by email or phone before 16:00 on September 12, 2024 (Thursday).

The company will provide the questions that need to be understood and concerned in advance, and the company will answer the questions that investors are generally concerned about in the text interactive session.

3. Participants

Chairman: Zou Tao

General Manager: Zhang Qingyuan

Financial director: Cui Yan

Secretary of the Board of Directors: Pan Lei

Independent Director: Wang Yuhua

(In case of special circumstances, participants may be adjusted)

Fourth, the contact person and consultation method

Contact: Office of the Board of Directors

Tel: (010) 62927777-6210

E-mail: Ir@wps.cn

5. Other matters

After the investor briefing is held, investors can check the convening status and main contents of the investor briefing through the Shanghai Stock Exchange Roadshow Center (https://roadshow.sseinfo.com/).

Appearance.

The announcement is hereby made.

Beijing Kingsoft Office Software Co., Ltd

board of directors

September 5, 2024