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/Betta Pharmaceuticals: Notice on Convening the 2025 Annual Shareholders Meeting
NEWS

Betta Pharmaceuticals: Notice on Convening the 2025 Annual Shareholders Meeting

Shenzhen Stock Exchange
2026/04/23

Securities code: 300558 Securities abbreviation: Betta Pharmaceuticals Announcement number: 2026-026

Beida Pharmaceutical Co., Ltd.

Notice on Convening the 2025 Annual Shareholders Meeting

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete, and contains no false records, misleading statements or major omissions.

The second meeting of the fifth board of directors of Betta Pharmaceuticals Co., Ltd. (hereinafter referred to as the "Company") decided to hold the 2025 annual shareholders' meeting (hereinafter referred to as the "shareholders' meeting") at 14:30 on May 15, 2026 (Friday). The relevant matters of this shareholders' meeting are hereby notified as follows:

1. Basic information on convening the meeting

  1. Shareholders’ meeting session: 2025 Annual Shareholders’ Meeting

  2. Convener of the shareholders’ meeting: This shareholders’ meeting was convened by the company’s board of directors as decided by the second meeting of the fifth session of the board of directors.

  3. Legality and compliance of the meeting: The second meeting of the company's fifth board of directors reviewed and approved the "Proposal on Convening the 2025 Annual Shareholders' Meeting". The convening of this shareholders' meeting complied with relevant laws and regulations, the business rules of the Shenzhen Stock Exchange and the "Articles of Association of Betta Pharmaceuticals Co., Ltd.".

  4. Date and time of meeting

On-site meeting date and time: May 15, 2026 (Friday) 14:30

Online voting time: May 15, 2026

Among them, the time for online voting through the Shenzhen Stock Exchange’s trading system is 9:15-9:25, 9:30-11:30, 13:00-15:00 on May 15, 2026; the specific time for voting through the Shenzhen Stock Exchange’s Internet voting system is any time between 9:15-15:00 on May 15, 2026.

  1. How to hold the meeting

This shareholders' meeting will be held using a combination of on-site voting and online voting. Shareholders of the company registered on the equity registration date can only choose one of on-site voting or online voting to exercise their voting rights. If there are repeated votes for the same voting right, the result of the first vote shall prevail.

(1) On-site voting: Shareholders may attend the meeting to vote on-site or entrust others to attend the on-site meeting through a power of attorney;

(2) Online voting: This shareholders’ meeting provides an online voting platform to all shareholders through the Shenzhen Stock Exchange’s trading system and Internet voting system. Shareholders of the company registered on the equity registration date can exercise their voting rights through the above systems during online voting hours.

  1. Equity registration date for the meeting: May 8, 2026 (Friday)

  2. Participants at the meeting

(1) Shareholders or their agents who hold the company’s issued voting shares on the equity registration date; all shareholders of the company’s issued voting shares registered with the China Securities Depository and Clearing Co., Ltd. Shenzhen Branch as of the market close in the afternoon on the equity registration date are entitled to attend this shareholders’ meeting and can entrust a proxy in writing to attend the meeting and vote. The shareholder’s agent does not have to be a shareholder of the company (see attachment 1 for the format of the power of attorney);

(2) Company directors and senior managers;

(3) Lawyers hired by the company;

(4) Other persons who should attend the shareholders' meeting according to relevant laws and regulations.

  1. On-site meeting location: Conference Room, Administrative Building, Betta Pharmaceuticals Co., Ltd., No. 355, Xingzhong Road, Economic and Technological Development Zone, Linping District, Hangzhou City, Zhejiang Province.

2. Matters to be considered at the meeting

  1. Coding list of proposals for this shareholders’ meeting

Remarks Proposal Code Proposal Name

Columns checked in this column can vote 100 Total proposals: all proposals except cumulative voting proposals √Non-cumulative voting proposals

1.00 2025 Board of Directors Work Report √ 2.00 Full text and summary of the 2025 Annual Report √ 3.00 Proposal on the remuneration of the company’s directors in 2025 √ 4.00 Profit distribution plan for 2025 √ 5.00 Proposal on the renewal of the accounting firm for 2026 √

About the company and its subsidiaries applying for comprehensive financing quotas and financing quotas

6.00 √

Proposal to provide guarantee for internal partial financing

Regarding the formulation of the "Remuneration Management System for Directors and Senior Management Personnel"

7.00 √

motion

  1. Proposal review and disclosure

The above proposal has been reviewed and approved at the second meeting of the fifth session of the Board of Directors, the second meeting of the Audit Committee of the fifth session of the Board of Directors, and the first meeting of the Remuneration and Assessment Committee of the fifth session of the Board of Directors. For details, please refer to the "Announcement on the Resolution of the Second Meeting of the Fifth Session of the Board of Directors" (Announcement No.: 2026-014) disclosed by the company on the cninfo.com (http://www.cninfo.com.cn, the same below) on April 23, 2026.

  1. The company’s independent directors will report their work at this annual shareholders’ meeting. The specific content of the “2025 Independent Directors’ Work Report” has been disclosed on the cninfo.com on April 23, 2026.

  2. Special tips and instructions

In order to safeguard the interests of all shareholders, especially small and medium-sized shareholders, the company will separately count and disclose the voting results of small and medium-sized investors on the proposals for this shareholders' meeting (small and medium-sized investors refer to other shareholders except the company's directors, senior managers and shareholders who individually or collectively hold more than 5% of the company's shares).

3. Notes on Proposal Coding

There are no cumulative voting proposals, mutually exclusive proposals or item-by-item voting proposals at this shareholders’ meeting. Proposal code 100 is the total proposal. Voting on proposal 100 is deemed to express the same voting opinions on all proposals.

4. Meeting registration and other matters

  1. Registration method

(1) Legal person shareholders shall be represented by their legal representative or an agent entrusted by the legal representative to attend the meeting. If the legal representative attends the meeting, he or she should present the shareholder account card, a copy of the business license with the official seal, the legal representative certificate and the ID card to go through the registration procedures; if the legal representative entrusts an agent to attend the meeting, the agent should go through the registration procedures with the agent's identity card, a copy of the business license with the official seal, the power of attorney issued by the legal representative (see attachment 1 for details), the legal representative certificate, and the legal person shareholder's stock account card.

(2) Natural person shareholders must present their identity cards and shareholder account cards to complete the registration procedures; those who entrust an agent to attend the meeting must present the agent’s identity card, power of attorney (see attachment 1 for details), the principal’s shareholder account card, and the principal’s ID card to complete the registration procedures.

(3) Non-local shareholder registration: Non-local shareholders can register by letter or fax before the registration deadline (must be delivered or faxed to the company before 17:00 on May 12, 2026, and letter registration shall be based on the local postmark date). Telephone registration is not accepted. Shareholders should carefully fill out the "Participating Shareholder Registration Form" (see Attachment 2 for the format) and attach copies of ID cards, unit certificates and shareholder securities account cards for registration confirmation.

  1. Registration time: May 12, 2026 (Tuesday) from 9:00 am to 17:00 pm.

  2. Registration location and delivery location of the power of attorney: Securities Department of Beida Pharmaceutical Co., Ltd., No. 355, Xingzhong Road, Economic and Technological Development Zone, Linping District, Hangzhou City, Zhejiang Province. Please indicate the words "Shareholders Meeting" on the letter. Postal code: 311100.

  3. Meeting contact information

Contact: Wu Lingxi, Shen Jianhao

Contact number: 0571-89265665

Fax: 0571-89265665

Contact email:[email protected]

  1. Things to note

(1) Shareholders and shareholder agents attending the on-site meeting are required to bring their original documents and arrive at the venue half an hour before the meeting in order to sign in.

(2) Participants of this shareholders’ meeting shall bear their own expenses for food, accommodation, transportation and other expenses.

5. Specific operational procedures for participating in online voting

At this shareholders' meeting, the company will provide shareholders with an online voting platform. Shareholders can participate in online voting through the trading system of the Shenzhen Stock Exchange or the Internet system (http://wltp.cninfo.com.cn). Please see Appendix 3 for the specific operational procedures for online voting.

6. Documents for reference

  1. Resolution of the second meeting of the fifth board of directors;

  2. Resolution of the second meeting of the Audit Committee of the fifth board of directors;

  3. Resolution of the first meeting of the Remuneration and Appraisal Committee of the fifth board of directors.

Announcement is hereby made.

Board of Directors of Betta Pharmaceutical Co., Ltd.

April 22, 2026

Attachment 1: Power of attorney

Attachment 2: Registration form of participating shareholders

Attachment 3: Specific operational procedures for participating in online voting

Attachment 1

Power of attorney

I hereby fully authorize Mr./Ms. to attend the 2025 Annual Shareholders Meeting of Betta Pharmaceuticals Co., Ltd. on behalf of myself/our company and to exercise voting rights on my behalf.

Name of the client: Nature of shares: Client’s ID number or business license number:

Trustee’s stock account number: Number of shares held: Shares Trustee’s name (signature): Trustee’s ID number: My/the company’s vote on the proposals of this shareholders’ meeting is as follows:

Remarks Agree Objection Abstain proposal

Proposal name The code checked in this column

Column can vote 100 Total proposals: all proposals except cumulative voting proposals √Non-cumulative voting proposals

1.00 2025 Board of Directors Work Report √ 2.00 2025 Annual Report Full Text and Summary √ 3.00

Proposal on the remuneration of company directors in 2025

√ 4.00 Profit distribution plan for 2025 √ 5.00 Proposal on the renewal of the accounting firm for 2026 √

Regarding the company and its subsidiaries’ application for comprehensive financing quotas and

6.00 √Proposal to provide guarantee for part of the financing within the financing limit

Regarding the formulation of "Remuneration Management for Directors and Senior Management Personnel"

7.00 √Proposal of "System"

If the trustee does not give clear voting instructions on the proposals for this shareholders' meeting, the trustee can vote according to his own opinions:

□Yes □No

The validity period of this power of attorney is from the date of signing of this power of attorney to the end of this shareholders' meeting.

Signature of the principal (with the official seal of the legal person shareholder):

Trustee (signature):

Commission date: month day 2026

Note:

  1. For the above-mentioned voting matters, the client can mark "√" in the "Agree", "Abstain" or "Objection" box to give voting instructions. Only one of the three can be selected. If more than one is selected or no selection is made, the client is deemed to be authorized to abstain from voting on the matters under consideration;

  2. Natural person shareholders are required to sign, and legal person shareholders are required to sign the legal representative and affix the official seal of the legal person;

  3. Please fill in the number of shares held. If not filled in, it will be regarded as all shares registered in the name of the principal;

  4. A copy of this power of attorney or a self-made version in the above format are valid.

Attachment 2

Registration form of participating shareholders

Name of legal person shareholder/name of natural person shareholder (full name)

Legal person shareholder registration number/individual shareholder ID number

Name of legal representative of legal person shareholder Contact number

Shareholder account number Number of shares held

Whether to entrust a proxy to attend the meeting? Name of trustee

Trustee ID number

Contact number Email

Contact address Postal code

Signature of shareholder (stamped by legal person shareholder):

2026 month day

P.S.:

  1. I/this unit promise that the above content filled in is true and accurate. If I/this unit is unable to participate in this shareholders' meeting due to inconsistency between the filled in content and the shareholder information recorded on the equity registration date of China Securities Depository and Clearing Co., Ltd. Shenzhen Branch, I/this unit shall bear full responsibility for the consequences. Hereby promise;

  2. The completed and signed shareholder registration form must be sent to the company by letter or fax before the registration deadline (letter registration shall be based on the local postmark date). Telephone registration will not be accepted;

  3. Please fill in this registration form completely in block letters;

  4. A copy of the above shareholder registration form or one made in the above format is valid. Annex 3

Specific procedures for participating in online voting

1. Online voting procedures

  1. Voting code: 350558, voting abbreviation: Beda Voting

  2. Fill in the decision-making form

For non-cumulative voting motions, fill in the voting opinions: agree, oppose, abstain.

  1. Shareholders voting on the general proposal are deemed to express the same opinions on all other proposals except the cumulative voting proposal. When shareholders vote repeatedly on the general proposal and specific proposals, the first valid vote shall prevail. If shareholders vote on specific proposals first and then vote on the general proposal, the voting opinions on the specific proposals that have been voted on shall prevail, and for other unvoted proposals, the voting opinions on the general proposal shall prevail. If shareholders vote on the general proposal first and then vote on the specific proposals, the voting opinions on the general proposal shall prevail.

The resolutions of this shareholders' meeting are all non-cumulative voting resolutions and there is a general resolution.

2. Voting procedures through the Shenzhen Stock Exchange trading system

  1. Voting time: Trading hours on May 15, 2026, namely 9:15-9:25, 9:30-11:30 and 13:00-15:00.

  2. Shareholders can log in to the trading client of the securities company to vote through the trading system.

3. Voting procedures through the Shenzhen Stock Exchange Internet voting system

  1. The Internet voting system will start voting at any time between 9:15-15:00 on May 15, 2026.

  2. Shareholders vote online through the Internet voting system. According to the "Implementation Rules for Online Voting of Shareholders' Meetings of Listed Companies of Shenzhen Stock Exchange (Revised in 2025)", they must undergo identity authentication and obtain a "Shenzhen Stock Exchange Digital Certificate" or "Shenzhen Stock Exchange Investor Service Password". The specific identity authentication process can be found in the Rules and Guidelines section of the Internet voting system at http://wltp.cninfo.com.cn.

  3. Based on the service password or digital certificate obtained, shareholders can log in to http://wltp.cninfo.com.cn to vote through the Shenzhen Stock Exchange’s Internet voting system within the specified time.