Shenzhen Microchip Biotechnology Co., Ltd

Short Form Report on Changes in Equity

Name of the listed company: Shenzhen Microchip Biotechnology Co., Ltd

Stock listing location: Shanghai Stock Exchange

Stock abbreviation: Chipscreen Biosciences

Stock Code: 688321

Information disclosure obligor: Sichuan Energy Development Group Co., Ltd

Address: No. 112, Tiantai Road, Chengdu High-tech Zone, China (Sichuan) Pilot Free Trade Zone Mailing address: Building 2, No. 716, Middle Section of Jiannan Avenue, Chengdu High-tech Zone

Nature of Change in Equity: Increase (Consolidation of State-Owned Assets)

Date of signing: February 2025

Disclosure Obligor Statement

1. The information disclosure obligor prepares this report in accordance with the Securities Law of the People's Republic of China (hereinafter referred to as the "Securities Law"), the Administrative Measures for the Acquisition of Listed Companies (hereinafter referred to as the "Acquisition Administrative Measures"), the Standards for the Content and Format of Information Disclosure by Companies Offering Securities to the Public No. 15 - Report on Changes in Equity (hereinafter referred to as the "Guidelines No. 15") and relevant laws, regulations and normative documents.

2. The Disclosure Obligor has obtained the necessary authorization and approval to sign this report, and its performance does not violate or conflict with any provision in the Articles of Association or Internal Rules of the Information Disclosure Obligor.

3. In accordance with the provisions of the Securities Law, the Measures for the Administration of Acquisitions and the Guidelines No. 15, this report has fully disclosed the changes in the shares in which the information disclosure obligor has an interest in Shenzhen Chipscreen Biotechnology Co., Ltd. (hereinafter referred to as Chipscreen Biotech).

As of the date of this report, the information disclosure obligor has not increased or decreased its shares in chipscreen Biosciences by any means other than the information disclosed in this report.

4. The change in equity is based on the information contained in this report. Except for the person obligated to disclose information, no other person is entrusted or authorized to provide information not included in this report and to give any explanation or explanation to this report.

5. The information disclosure obligor undertakes that there are no false records, misleading statements or material omissions in this report, and assumes individual and joint legal liability for its authenticity, accuracy and completeness.

Table of Contents

Section 1: Interpretation ...... 4

Section 2: Introduction of Information Disclosure Obligors...... 5

Section 3 Purpose of Changes in Equity ...... 8

Section 4 Methods of Changes in Equity ...... 9

Section 5 Trading of Shares of Listed Companies in the Preceding 6 Months...... 14

Section 6: Other Major Matters...... 15

Section 7: Documents for Reference...... 16

Section 1: Interpretation

In this report, unless otherwise stated, the following abbreviations shall have the following specific meanings:

Sichuan Energy Development Group and Information Disclosure refer to Sichuan Energy Development Group Co., Ltd

Disclosure obligors

Chipscreen Biosciences, listed company refers to Shenzhen Chipscreen Biotechnology Co., Ltd

Energy Investment Group means Sichuan Energy Investment Group Co., Ltd

Sichuan Investment Group means Sichuan Investment Group Co., Ltd

Sichuan Development refers to Sichuan Development (Holdings) Co., Ltd

Tianfu Qingyuan means Tianfu Qingyuan Holdings Limited

Boao Biotech means Boao Biotech Group Co., Ltd

"Merger Agreement" means the "Sichuan Provincial Investment Group Co., Ltd. and Sichuan Provincial Energy Investment Group".

Merger Agreement of a Group Limited Liability Company

"Supplemental Agreement to the Merger Agreement" means the "Sichuan Provincial Investment Group Co., Ltd. and Sichuan Provincial Energy Investment Group".

Supplemental Agreement to the Merger Agreement of the Group Limited Liability Company

Sichuan Energy Development Group Co., Ltd. and Sichuan Investment Group

"Asset Succession Delivery Agreement" means the capital of Sichuan Energy Investment Group Co., Ltd., a limited liability company

Inheritance and delivery agreement》

The merger refers to the establishment of Sichuan Energy by means of a new merger between Sichuan Investment Group and Energy Investment Group

Development Group

Settlement Date means the date on which the Asset Succession Delivery Agreement is signed

The implementation of a new merger between Sichuan Investment Group and Energy Investment Group resulted in a new establishment after the merger

The company, Sichuan Energy Development Group, directly acquired Tianfu held by Energy Investment Group

This change in equity refers to the 100% equity of Qingyuan and the direct and indirect acquisition of 71.82% of the shares of Boao Biotech

rights, so as to indirectly obtain the total holdings of Tianfu Qingyuan and Boao Biology

42,919,572 shares of the Municipal Company (accounting for the total number of shares of the listed company

10.52%）

This report refers to the short-form report on changes in equity of Shenzhen Microchip Biotechnology Co., Ltd

State-owned Assets Supervision and Administration Commission of Sichuan Province refers to the State-owned Assets Supervision and Administration Commission of the Sichuan Provincial Government

China Securities Regulatory Commission means the China Securities Regulatory Commission

Stock Exchange means the Shanghai Stock Exchange

Yuan, 10,000,000 yuan, 100 million yuan refer to RMB, 10,000,000 yuan, and 100 million yuan unless otherwise specified

There may be a difference between the sum of individual data and the relevant aggregate data in this report, which is due to rounding in the calculation of data.

Section 2: Introduction of Information Disclosure Obligors

1. Basic information of the information disclosure obligor

As of the date of signing this report, the basic information of the information disclosure obligor is as follows:

Company name: Sichuan Energy Development Group Co., Ltd

Registered address: No. 112, Tiantai Road, Chengdu High-tech Zone, China (Sichuan) Pilot Free Trade Zone

Legal representative: Wang Cheng

The registered capital is 31 billion yuan

Unified Social Credit Code 91510100MAEBRC2R6L

Type of business: Other limited liability company

Establishment date February 25, 2025

Operating period February 25, 2025 until no fixed period

Licensed projects: power generation business, transmission business, power supply (distribution) business; Non-coal minerals

resource extraction; coal mining; gas operation; Internet information services; medical services; public

fund management business; construction engineering survey; construction of construction projects; Real Estate Development Economy

Battalion; Accommodation services. (Projects subject to approval in accordance with the law can only be carried out after approval by relevant departments.)

Business activities, specific business projects are subject to the approval documents or licenses of relevant departments) 1

General items: heat production and supply [branch operation]; Production of chemical products (not included

Business scope: can be classified as chemical products) [branch operation]; research and development of new material technology; Semiconductor device specialty

manufacturing with equipment [branch operation]; Electronic components manufacturing [branch operation];

battery manufacturing [branch operation]; artificial intelligence application software development; big data services;

pension services; financing advisory services; supply chain management services; Assets invested with own funds

management services; corporate headquarters management; Business training (excluding education and training, vocational skills training

training and other training that requires a license). (Except for projects subject to approval in accordance with the law, with a business license.)

Carry out business activities independently in accordance with the law)

Mailing address: Building 2, No. 716, Middle Section of Jiannan Avenue, High-tech Zone, Chengdu

Phone 028-86671126

Zip Code 610000

Major shareholders Sichuan SASAC, holding 50.054%; Sichuan Development, holding 45.333%; Sichuan Provincial Finance

Government Office, 4.613%

2. Information disclosure obligor, directors and main responsible persons

As of the date of this report, the basic information of the directors and main responsible persons of the information disclosure obligor is as follows:

Name Position Nationality Long-term residence Whether it has been acquired from other countries or

Residency in the region

Wang Cheng Secretary of the Party Committee and Chairman of the Board of Directors China China N/A

Name Position Nationality Long-term residence Whether it has been acquired from other countries or

Residency in the region

Wu Xiaoxi, Deputy Secretary of the Party Committee, Vice Chairman, General Manager China China None

reason

Li Wenzhi Member of the Party Committee and Vice Chairman of the Board of Directors China China N/A

Mou Jun Member of the Party Committee and Vice Chairman of the Board of Directors China China N/A

Shu Yong, Deputy Secretary of the Party Committee and Director, China, China, None

Zhang Hao, Member of the Party Committee and Deputy General Manager, China, China, None

The Provincial Commission for Discipline Inspection and Supervision is stationed in Sichuan Energy Development Group

Qiu Xiao, Head of the Discipline Inspection and Supervision Group of the Youth League, Party Committee China China None

and the secretary of the Commission for Discipline Inspection

Yang Yang, Member of the Party Committee and Deputy General Manager, China, China, N/A

Li Xin Member of the Party Committee, Employee Director, Trade Union Owner China China None

mat

Jin Huang, Chief Financial Officer, China, China, None

Xiao Changqing, Deputy General Manager, China, China, None

HE Lin, Deputy General Manager, China, China, None

Jun Jiang, Director, China, China, None

Mian Wang, Director, China, China, None

Lu Zheyu Director, China, China, None

Wang Heming, Director, China, China, None

Huang Yongqing Director, China, China, None

3. The information disclosure obligor has an interest in 5% or more of the shares in other listed companies at home or abroad

As of the date of this report, except for Chipscreen Biosciences, the shares in which the information disclosure obligor has an interest in other domestic and overseas listed companies reach or exceed 5% of the issued shares of the company as follows:

Preface Name Place of Listing Stock Code Interests Held

number

Sichuan Chuantou Energy Co., Ltd. directly holds 49.26% of the shares and through its subsidiaries

1 Co., Ltd. Shanghai Stock Exchange 600674 Sichuan Chuantou Emei Ferroalloy (Group) has

Limited liability company holding 0.81%

30.43% of the shares are held directly and through subsidiaries

2 Sichuan New Energy Power Shenzhen Stock Exchange 000155 Sichuan Chemical Group Co., Ltd

7.77% of the company, Sichuan Energy Investment Holdings, a subsidiary

1.26%

3 Sichuan Energy Investment Development Co., Ltd. Hong Kong Stock Exchange 01713 through its subsidiary, Sichuan Hydropower Investment and Operation

Limited Company Group Limited 36.71%

4 Huahai Qingke Co., Ltd. Shanghai Stock Exchange 688120 Through its subsidiary, Qingkong Venture Capital Co., Ltd

28.20%

Preface Name Place of Listing Stock Code Interests Held

number

It is invested and operated through its subsidiary, Sichuan Hydropower

5 Sichuan Xichang Electric Power Co., Ltd. Shanghai Stock Exchange 600505 Group Co., Ltd. holds 18.32% of the shares

Co., Ltd. Company Sichuan Zhaojue Electric Power Co., Ltd

0.49%

6 Chengzhi Co., Ltd. Shenzhen Stock Exchange 000990 Through its subsidiary, Tianfu Qingyuan Holdings Co., Ltd

15.77%

Sichuan Guang'an Aizhong shares directly hold 2.85% of the shares and through subsidiary four

7 Co., Ltd. Shanghai Stock Exchange 600979 Sichuan Hydropower Investment and Management Group Co., Ltd

11.87%

8 Beijing Chenan Technology Co., Ltd. Shenzhen Stock Exchange 300523 Through its subsidiary, Tianfu Qingyuan Holding Co., Ltd

Limited Company 8.16%

Through its subsidiary, Tianfu Qingyuan Holdings Co., Ltd

Tus-Environmental Technology Development Division holds 4.99% of the shares, and the subsidiary clears and controls the assets

9 Co., Ltd. Shenzhen Stock Exchange 000826 Management Co., Ltd. holds 2.49% of the shares

The company is held by Tibet Qingkong Asset Management Co., Ltd

Share 0.52%

10 Changhong Jiahua Holdings Co., Ltd. Hong Kong Stock Exchange 03991 through its subsidiary, Sichuan Sichuan Investment Asset Management

Company Limited Liability Company 5.70%

Note: According to the relevant provisions of the Merger Agreement, the Supplementary Agreement to the Merger Agreement and the Asset Succession and Delivery Agreement, since the closing date, Sichuan Energy Development Group directly or indirectly holds the interests of the listed companies in the above table. As of the date of signing this report, the shares of the listed company directly held by Sichuan Energy Development Group in the above table have not yet completed the transfer registration, and the equity of the subsidiary of Sichuan Energy Development Group directly holding the shares of the listed company in the above table has not yet completed the change registration.

Section 3: The Purpose of Changes in Equity and Interests

1. The purpose of this equity change

In order to thoroughly implement the spirit of the 20th National Congress of the Communist Party of China and the Third Plenary Session of the 20th Central Committee of the Communist Party of China, fully implement General Secretary Xi Jinping's important expositions on the reform and development of state-owned enterprises and party building, as well as the important instructions on scientific planning and construction of a new energy system and the promotion of multi-energy complementary development such as water, wind, solar, hydrogen and natural gas during the inspection in Sichuan, in accordance with the decisions and arrangements of the Party Central Committee, the State Council, the Provincial Party Committee and the Provincial Government on deepening the reform of state-owned enterprises, promote the optimization of the layout and structural adjustment of the state-owned economy, and promote the strengthening of state-owned capital and state-owned enterprises. Cultivate and develop new quality productivity, enhance core functions, and enhance core competitiveness. Sichuan Investment Group and Energy Investment Group carried out strategic reorganization, adopted a new merger to form Sichuan Energy Development Group, improved the efficiency of resource allocation, gave full play to the advantages and synergies, released the dividends of reform and reorganization, effectively enhanced the energy security support and guarantee function of provincial enterprises in the construction of the national strategic hinterland, and accelerated the construction of a domestic leading and world-class modern comprehensive energy enterprise integrating source, grid, load and storage, water, wind, solar, hydrogen and natural gas.

After the completion of the merger, Sichuan Energy Development Group will directly acquire 100% of the equity of Tianfu Qingyuan held by Energy Investment Group, 71.82% of the equity of Boao Biotech directly and indirectly, and thus indirectly acquire 42,919,572 shares of the listed company (accounting for 10.52% of the total shares of the listed company) held by Tianfu Qingyuan and Boao Biotech.

2. The plan to continue to increase the shareholding of the listed company in the next 12 months

As of the date of this report, the disclosure obligor has no plans to continue to increase its shareholding in the listed company in the next 12 months. If the information disclosure obligor makes a decision to continue to increase its shares in the listed company in the future, it will strictly follow the provisions of relevant laws and regulations, perform legal procedures and do a good job in information disclosure.

Section 4: Methods of Changes in Equity and Interests

1. Changes in the shares of listed companies held by the information disclosure obligor before and after the change in equity

Before this equity change, Sichuan Energy Development Group did not directly or indirectly hold shares of listed companies; Boao Biotech directly holds 34,705,162 shares of the listed company, with a shareholding ratio of 8.51%, and Tianfu Qingyuan directly holds 8,214,410 shares of the listed company, with a shareholding ratio of 2.01%; Energy Investment Group holds 100% of the equity of Tianfu Qingyuan, directly and indirectly holds 71.82% of the equity of Boao Biotech, and indirectly holds a total of 42,919,572 shares of the listed company through Tianfu Qingyuan and Boao Biotech, with a shareholding ratio of 10.52%.

After this change in equity, Boao Biotech still directly holds 34,705,162 shares of the listed company, with a shareholding ratio of 8.51%, and Tianfu Qingyuan still directly holds 8,214,410 shares of the listed company, with a shareholding ratio of 2.01%; Sichuan Energy Development Group holds 100% of the equity of Tianfu Qingyuan, directly and indirectly holds 71.82% of the equity of Boao Biotech, and indirectly holds a total of 42,919,572 shares of the listed company through Tianfu Qingyuan and Boao Biotech, with a shareholding ratio of 10.52%; Energy Investment Group no longer has an interest in the listed company.

2. The main contents of the relevant agreements involved in this change in equity

(1) The subject of the agreement and the time of signing

On December 30, 2024, Sichuan Investment Group and Energy Investment Group signed the Merger Agreement.

On January 14, 2025, Sichuan Investment Group and Energy Investment Group signed the Supplemental Agreement to the Merger Agreement.

On February 27, 2025, Sichuan Energy Development Group, Sichuan Investment Group and Energy Investment Group signed the "Assets

Succession Closing Agreement.

(2) The main content of the agreement

1. The main contents of the Merger Agreement and the Supplemental Agreement to the Merger Agreement

(1) Sichuan Investment Group and Energy Investment Group implement a new merger, the new company name is "Sichuan Energy Development Group Co., Ltd." (hereinafter referred to as Sichuan Energy Development Group, the final registration of the company shall prevail), before the merger of Sichuan Investment Group and Energy Investment Group all assets, liabilities, business, personnel, contracts, qualifications and all other rights and obligations by Sichuan Energy Development Group inherited, undertaken or enjoyed, before the merger of Sichuan Investment Group and Energy

The subordinate branches of the investment group and the equity, shares or interests of the subsidiaries held by the investment group belong to Sichuan Energy Development Group.

(2) The headquarters of Sichuan Energy Development Group is registered in Chengdu Municipal District, Sichuan Province, with a registered capital of RMB 31 billion (the above information is subject to the company's registration), the shareholders are Sichuan SASAC, Sichuan Development and Sichuan Provincial Department of Finance, and the actual controller is Sichuan SASAC. The State-owned Assets Supervision and Administration Commission of Sichuan Province, Sichuan Development and Sichuan Provincial Department of Finance contributed 15,516,740,000 yuan (50.054%), 14,053,230,000 yuan (45.333%) and 1,430,030,000 yuan (4.613%) respectively.

(3) From the closing date, all assets (including shares/shares/equity), liabilities, business, qualifications, personnel, contracts and all other rights and obligations of Sichuan Investment Group and Energy Investment Group before the merger will be enjoyed and assumed by Sichuan Energy Development Group, and the equity or equity of the subsidiaries and subsidiaries of Sichuan Investment Group and Energy Investment Group before the merger shall be vested in Sichuan Energy Development Group. From the date of closing, both parties shall go through the above relevant procedures as soon as possible, including but not limited to handover, transfer, registration, filing, change of investor and other procedures.

2. The main content of the Asset Succession Delivery Agreement

(1) From the date of delivery (including the date of delivery, the same below), all assets, liabilities, businesses, personnel, contracts, qualifications and all other rights and obligations of Sichuan Investment Group and Energy Investment Group before the merger shall be inherited, undertaken or enjoyed by Sichuan Energy Development Group; The equity or equity of the subsidiaries and subsidiaries of Sichuan Investment Group and Energy Investment Group before the merger shall be vested in Sichuan Energy Development Group.

(2) From the date of closing, all outstanding debts, obligations and liabilities of Sichuan Investment Group and Energy Investment Group shall be borne by Sichuan Energy Development Group. The merger will involve Sichuan Energy Development Group's inheritance of debts under the bonds issued by Sichuan Investment Group and Energy Investment Group.

(3) The parties shall go through the relevant procedures for the handover and delivery of the aforesaid rights and obligations (including but not limited to transfer, transfer, registration, filing, change of investors, transfer of employee labor contracts, change of social insurance and housing provident fund accounts, etc.) as soon as possible, and the relevant change procedures involving the subsidiaries and directly held companies or enterprises of Sichuan Investment Group and Energy Investment Group shall be handled in accordance with the relevant provisions of market supervision and administration and tax law.

(4) Sichuan Energy Development Group shall, after the Asset Succession and Delivery Agreement takes effect, disclose the changes in equity in accordance with the relevant provisions of the securities regulatory authorities, and go through the share transfer registration procedures for the listed companies directly held by Sichuan Investment Group and Energy Investment Group or companies on the New Third Board.

(5) Sichuan Energy Development Group shall prepare the accounting statements of Sichuan Energy Development Group after the merger as soon as possible in accordance with the relevant provisions of the Accounting Standards for Business Enterprises.

(6) If one party needs the assistance of other parties in handling the above related matters, the other party shall be obliged to do its best to provide assistance to the extent necessary.

(7) Depending on the progress of the above-mentioned matters, Sichuan Investment Group and Energy Investment Group shall go through the relevant procedures for deregistration of the company in a timely manner in accordance with the relevant provisions of market supervision and management and tax law.

3. The relevant procedures that have been fulfilled for this change of rights and interests

(1) The main internal decision-making procedures of Sichuan Investment Group

On December 27, 2024, Sichuan Investment Group held a meeting of the board of directors and agreed to Sichuan Investment Group and Energy Investment Group

Proceed with a new merger and agree to the Merger Agreement.

On December 30, 2024, Sichuan Investment Group held a shareholders' meeting and agreed to Sichuan Investment Group and Energy Investment Group

Proceeded with a strategic reorganization by way of a new merger and agreed to the Merger Agreement.

On January 13, 2025, all shareholders of Sichuan Investment Group made a shareholder decision to approve the state-owned assets of Sichuan Province

The shareholding ratios of Sichuan Energy Development Group, Sichuan Development and Sichuan Provincial Department of Finance are 50.054%, 45.333% and 4.613% respectively.

(2) The main internal decision-making procedures of the Energy Investment Group

On December 27, 2024, the board of directors of the Energy Investment Group held a meeting and agreed to the Sichuan Investment Group and the Energy Investment Group

Proceed with a new merger and agree to the Merger Agreement.

On December 30, 2024, Energy Investment Group held a shareholders' meeting and agreed to Sichuan Investment Group and Energy Investment Group

Proceeded with a strategic reorganization by way of a new merger and agreed to the Merger Agreement.

On January 13, 2025, all shareholders of Energy Investment Group made a shareholder decision to approve the state-owned assets of Sichuan Province

The shareholding ratios of Sichuan Energy Development Group, Sichuan Development and Sichuan Provincial Department of Finance are 50.054%, 45.333% and 4.613% respectively.

(3) Approved by the Sichuan Provincial People's Government and the State-owned Assets Supervision and Administration Commission of Sichuan Province

On December 27, 2024, the State-owned Assets Supervision and Administration Commission of Sichuan Province issued the "About Sichuan Investment Group

Approval of the strategic restructuring of the limited liability company and Sichuan Energy Investment Group Co., Ltd. (Sichuan

Guo Zihan [2024] No. 137). On the same day, the State-owned Assets Supervision and Administration Commission of Sichuan Province issued the "Reply on the Strategic Restructuring of Sichuan Investment Group Co., Ltd. and Sichuan Energy Investment Group Co., Ltd." (Sichuan Guo Zihan [2024] No. 138) to Energy Investment Group.

On February 22, 2025, the Sichuan Provincial People's Government issued the Reply on the > of the < Establishment Plan of Sichuan Energy Development Group Co., Ltd. (Chuan Fu Han [2025] No. 57).

(4) The Merger Agreement and the Supplemental Agreement to the Merger Agreement were signed

On December 30, 2024, Sichuan Investment Group and Energy Investment Group signed the Merger Agreement, agreeing to Sichuan Investment Group

The group and the energy investment group implemented a new merger.

On January 14, 2025, Sichuan Investment Group and Energy Investment Group signed the Supplemental Agreement to the Merger Agreement

The amount of capital contribution and shareholding ratio of each shareholder of Sichuan Energy Development Group shall be determined.

(5) Obtain a business license

On February 25, 2025, Sichuan Energy Development Group was established and acquired the development of Chengdu high-tech industry

The "Business License" issued by the District Market Supervision and Administration Bureau with a unified social credit code of 91510100MAEBRC2R6L.

(6) Anti-monopoly review and SFC offer waiver

On February 13, 2025, the State Administration for Market Regulation issued the Anti-Monopoly Review of Concentration of Undertakings

Decision not to implement further review", it is decided not to carry out further review of the merger of Sichuan Investment Group and Energy Investment Group, and the concentration can be implemented from now on.

On 27 February 2025, the SFC agreed to exempt Sichuan Energy Development Group from the merger

Obligations of the general offer to acquire Sichuan Energy Investment Development Co., Ltd.

(7) The Asset Succession and Delivery Agreement was signed

On February 27, 2025, Sichuan Energy Development Group, Sichuan Investment Group and Energy Investment Group signed the "Capital

Production Succession Delivery Agreement", from the date of closing, all assets, liabilities, business, personnel, contracts, qualifications and all other rights and obligations of Sichuan Investment Group and Energy Investment Group before the merger shall be inherited, undertaken or enjoyed by Sichuan Energy Development Group; The subsidiaries and subordinate subsidiaries and subordinate equity or interests of Sichuan Investment Group and Energy Investment Group before the merger are attributable to Sichuan Energy Development Group.

4. The relevant procedures to be performed for this change of rights and interests

This change in equity does not involve the transfer of shares of the listed company, therefore, as of the date of signing this report, this change in equity does not need to go through the share transfer registration procedures of the listed company.

5. Restrictions on the rights of the shares related to the change in equity

As of the date of signing this report, a total of 8,214,410 shares of listed companies held by Tianfu Qingyuan are frozen, but this change in equity does not involve the transfer of shares of listed companies held by Tianfu Qingyuan. In addition to the above circumstances, the shares of listed companies involved in this equity change are all tradable shares, and there are no rights restrictions such as pledge and judicial freezing.

Section 5 Trading of shares of listed companies in the preceding 6 months

In addition to this equity change, effective from the date of the Asset Succession Delivery Agreement (February 27, 2025).

In the 6 months prior to the date, the information disclosure obligor has not bought or sold the shares of the listed company.

Section 6: Other major matters

As of the date of signing this report, in addition to the information disclosed in this report, there is no other information that the information disclosure obligor should disclose in order to avoid misunderstanding of the content of this report, and other information required by the China Securities Regulatory Commission or the stock exchange to provide information disclosure obligor in accordance with the law.

Section 7: Documents for reference

1. Documents for reference

1. A copy of the business license of the information disclosure obligor;

2. List of directors and their main responsible persons of the information disclosure obligor and their identification documents;

3. Relevant contracts, agreements and other relevant documents mentioned in this report;

4. Other documents required by the China Securities Regulatory Commission or the stock exchange for reference.

2. Locations for reference

The report and the above-mentioned documents are available for inspection at the domicile of the listed company.

Disclosure Obligor Statement

I (and the organization I represent) promise that there are no false records, misleading statements or material omissions in this report, and assume individual and joint legal responsibility for its authenticity, accuracy and completeness.

Information disclosure obligor: Sichuan Energy Development Group Co., Ltd

Legal representative:

Wang Cheng

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(There is no text on this page, it is the signature page of the "Report on Changes in Equity of Shenzhen Microchip Biotechnology Co., Ltd.")

Information disclosure obligor: Sichuan Energy Development Group Co., Ltd

Legal representative:

Wang Cheng

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schedule

Short Form Report on Changes in Equity

Basic information

Shenzhen Microchip Biotechnology Co., Ltd. has a listed company in Nanshan District, Shenzhen, Guangdong Province

Name of listed company Limited company in Xili Street, Shuguang Community Zhi

Valley Industrial Park Building B

Stock abbreviation: Chipscreen Biosciences stock code: 688321

Name of Information Disclosure Obligor Sichuan Energy Development Group Co., Ltd. Information Disclosure Meaning Chengdu, Sichuan Province

The place of registration of the company's employees

Increase in the number of shares in which the interest is held ? Decrease? No change, but is there any consistent line? Not?

Change in Contributors? moving

Disclosure of Information

Is the information disclosure obligor Yes? Not? Is the operator yes? Not?

The largest shareholder of a listed company

International control people

How to change equity (can it be through centralized trading on the stock exchange?) Assignment by agreement? Administrative transfer or change of state-owned shares

Elected) ? Indirect transfer? Obtaining new shares issued by a listed company? Enforce a court ruling? continue

Receive? Gift? Other? (Subscription of fund shares, exchangeable corporate bonds for shares)

Before disclosure by the information disclosure obligor, stock type: Not applicable

Number of shares with interest and number of shares: 0 shares

Proportion of issued shares of listed companies: 0%

proportion

After this equity change, information stock type: RMB ordinary shares

Number of shares held by the disclosure obligor: 42,919,572 shares in total (the number of shares indirectly held through Tianfu Qingyuan and Boao Biotech and the change ratio Yes)

Shareholding ratio: 10.52% in total (indirectly held through Tianfu Qingyuan and Boao Biotech)

Ownership of interests in public companies 1, When: February 27, 2025

2. Method: administrative transfer or change of state-owned shares

style

Be? Not?

Whether the funds have been fully disclosed Note: Not applicable, Sichuan Energy Development Group acquired a listed company through this merger

Yuan shares were inherited due to the new merger of Sichuan Investment Group and Energy Investment Group into Sichuan Energy Development Group

Therefore, this equity change does not involve cash payments

Whether the information disclosure obligor intently

Will it continue to grow in the next 12 months? Not?

hold

The information disclosure obligor was previously obliged

Is 6 months in the secondary market Yes? Not?

Buying and selling shares of the listed company

Where the controlling shareholder or actual controller of a listed company is involved in reducing its shareholdings, the information disclosure obligor shall also explain the following contents:

Controlling shareholder or actual controller

Whether there is damage at the time of the reduction is not applicable

Municipal corporations and shareholders' equity

title

Basic information

Controlling shareholder or actual controller

Whether there was any outstanding liquidation at the time of the reduction

Its liabilities to the company, unresolved, do not apply

In addition to the company provided for its liabilities

guarantees, or to the detriment of the company's profits

other circumstances

Whether this change in rights is required Not applicable

Ratification

Approved Not applicable

(There is no text on this page, it is the signature page of the "Appendix to the Report on Changes in Equity of Shenzhen Microchip Biotechnology Co., Ltd.")

Information disclosure obligor: Sichuan Energy Development Group Co., Ltd

Legal representative:

Wang Cheng

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