/-- Announcement on Semi-annual Profit Distribution Plan for 2025
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-- Announcement on Semi-annual Profit Distribution Plan for 2025

Shanghai Stock Exchange
2025/08/23

Securities code: 603983 Securities abbreviation: Marubi Biologics Announcement number: 2025-023

Guangdong Marumi Biotechnology Co., Ltd.

Announcement of the 2025 Semi-annual Profit Distribution Plan

The company's board of directors and all directors guarantee that the contents of this announcement do not contain any false records, misleading statements or major omissions, and bear individual and joint liability for the authenticity, accuracy and completeness of its contents.

Important content reminder:

 Profit distribution ratio: cash dividend of RMB 2.50 (tax included) for every 10 shares.

 This profit distribution is based on the total share capital registered on the equity registration date of the equity distribution. The specific date will be specified in the equity distribution implementation announcement. If the company's total share capital changes before the equity registration date for equity distribution, it is planned to maintain the distribution ratio per share unchanged and adjust the total distribution per share accordingly, which will be disclosed in relevant announcements.

In order to actively and reasonably reward investors, share corporate value, and enhance investors' sense of gain, Guangdong Marumi Biotechnology Co., Ltd. (herein referred to as the "Company") has formulated a 2025 semi-annual profit distribution plan based on the actual operating development situation and confidence in future development, as well as the interests of shareholders.

1. Contents of the 2025 semi-annual profit distribution plan

According to the company's 2025 semi-annual report (unaudited), as of June 30, 2025, the final undistributed profit in the parent company's statement of Guangdong Marumi Biotechnology Co., Ltd. was RMB 1,517,786,571.38. According to the resolution of the board of directors, the company plans to distribute profits in the first half of 2025 based on the total share capital registered on the equity registration date for equity distribution. This profit distribution plan is as follows:

The company plans to distribute a cash dividend of RMB 2.50 (tax included) to all shareholders for every 10 shares. As of June 30, 2025, the company's total share capital is 401,000,000 shares. Based on this calculation, a total cash dividend of 100,250,000.00 yuan (tax included) is planned, accounting for 53.97% of the net profit attributable to shareholders of the listed company for the current period.

If the company's total share capital changes between the date of disclosure of this announcement and the equity registration date for the implementation of equity distribution, the company intends to maintain the distribution ratio per share unchanged and adjust the total distribution amount accordingly. If the total share capital changes subsequently, specific adjustments will be announced separately.

2. Decision-making procedures implemented by the company

(1) Convening, deliberation and voting of board of directors meetings

The company held the seventh meeting of the fifth board of directors on August 21, 2025, and reviewed and approved the 2025 semi-annual profit distribution plan. The plan is in line with the profit distribution policy stipulated in the company's articles of association and the company's shareholder return plan.

The above matters still need to be submitted to the company's first extraordinary shareholders' meeting in 2025 for review.

(2) Opinions of the Supervisory Board

The Board of Supervisors believes that the company's 2025 semi-annual profit distribution plan comprehensively takes into account the company's current operating performance and financial status, and takes into account the company's future operating development and reasonable returns to shareholders for the current period. The review process is legal and compliant, and complies with the "Company Law", "Supervisory Guidelines for Listed Companies No. 3 - Cash Dividends for Listed Companies", "Articles of Association" and other relevant regulations and the company's actual situation, and does not harm the interests of the company's shareholders, especially the interests of small and medium-sized shareholders.

3. Related risk warnings

When the company formulated this profit distribution plan, it comprehensively considered the company's development stage, future capital needs and other factors. It will not have a significant impact on the company's operating cash flow, nor will it affect the company's normal operations and long-term development.

This profit distribution plan still needs to be reviewed and approved by the company's shareholders' meeting before it can be implemented.

Announcement is hereby made.

Board of Directors of Guangdong Marumi Biotechnology Co., Ltd.

August 23, 2025