Huahai Qingke Co., Ltd

Short Form Report on Changes in Equity

Name of the listed company: Huahai Qingke Co., Ltd

Stock listing location: Shanghai Stock Exchange

Stock abbreviation: Huahai Qingke

Stock Code: 688120

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

Residence: Building 10, Area A, No. 1, Chengfei Avenue, Qingyang Industrial Concentrated Development Zone, Chengdu

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

Nature of Change in Equity: Decrease (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 Takeovers and the Guideline No. 15, this report has fully disclosed the changes in the shares in which the information disclosure obligor has an interest in Huahai Qingke Co., Ltd. (hereinafter referred to as Huahai Qingke).

As of the date of this report, except for the information disclosed in this report, the information disclosure obligor has not increased or decreased the shares in Huahai Qingke by any other means.

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 ...... 7

Section 4 Methods of Changes in Equity ...... 8

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:

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

Huahai Qingke, listed company refers to Huahai Qingke Co., Ltd

Sichuan Energy Development Group means Sichuan Energy Development 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

Qingkong Venture Capital means Qingkong Venture Capital Co., Ltd

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

Merger Agreement of the Liable Company》

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

Supplemental Agreement to the Merger Agreement of the Responsible Company》

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

"Asset Succession Delivery Agreement" refers to the Asset Succession and Delivery Agreement of the Company's Sichuan Energy Investment Group Co., Ltd

Discussion》

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

regiment

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

The implementation of the new merger between Sichuan Investment Group and Energy Investment Group led to the development of Sichuan Energy after the merger

Zhan Group directly acquired 100% of the equity of Tianfu Qingyuan held by Energy Investment Group, and intermittently

This equity change refers to the acquisition of 100% equity of Qingkong Venture Capital, thereby indirectly acquiring the equity held by Qingkong Venture Capital

66,752,273 shares of the listed company (accounting for the total number of shares of the listed company

28.20%), Energy Investment Group no longer has an interest in the listed company

This report refers to the short-form report on changes in equity of Huahai Qingke Co., Ltd

"Measures for the Administration of Takeovers" means the Measures for the Administration of Takeovers of Listed Companies

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

CSI refers to China Securities Depository and Clearing Corporation Shanghai Branch

Yuan, 10,000,000 Yuan, 100 million Yuan means RMB Yuan, 10,000,000 Yuan, 100 million Yuan, 100 million Yuan

In this report, there may be a penny difference between the sum of individual data and the relevant summary data, which is based on data

Calculated by rounding.

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 Investment Group Co., Ltd

Registered address: Building 10, Area A, No. 1, Chengfei Avenue, Qingyang Industrial Concentrated Development Zone, Chengdu

Legal representative: Wang Cheng

The registered capital is 2,5026,410,100 yuan

Unified Social Credit Code 91510000569701098H

Type of business: Other limited liability company

Date of Establishment: February 21, 2011

Operating period: February 21, 2011 until no fixed term

General business projects (the following scope does not include pre-licensed projects, and post-licensed projects are based on licenses.)

Business scope or approval document operation): investment and management of energy projects (shall not engage in illegal fundraising, absorption

financial activities such as collecting public funds). (Projects subject to approval in accordance with the law shall be approved by relevant departments.)

business activities can only be carried out after that)

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

Phone 028-80587065

Postal code 610041

Major shareholders Sichuan Development, holding 84.16%; State-owned Assets Supervision and Administration Commission of Sichuan Province, holding 15.84% of the shares

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 or not you have acquired other countries or regions

Abode

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

Mou Jun Deputy Secretary of the Party Committee and Vice Director China China None

Director, General Manager

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

Chairman, trade union

Lu Zheyu Outside Director China China None

Jun Jiang, Outside Director, China, China, None

Yin Xianzhi Outside Director China China None

Wang Heming Outside Director China China N/A

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 Huahai Qingke, the shares in which the information disclosure obligor has an interest in other listed companies in China and abroad reach or exceed 5% of the issued shares of the company as follows:

Preface Name Place of Listing Stock Code Interests Held

number

30.43% of the shares are held directly and through subsidiaries

1 Sichuan New Energy Power Shanghai Stock Exchange 000155 Sichuan Chemical Group Co., Ltd

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

1.26%

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

Limited Company Group Limited 36.71%

It is invested and operated through its subsidiary, Sichuan Hydropower

3 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%

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

15.77%

5 Sichuan Guang'an Aizhong Co., Ltd. Shanghai Stock Exchange 600979 invested and operated through its subsidiary, Sichuan Hydropower

Limited Company Group Limited 11.87%

Shenzhen Microchip Biotechnology Co., Ltd. through its subsidiary, Boao Biotechnology Co., Ltd

6 Co., Ltd. Shanghai Stock Exchange 688321 Company holds 8.51% of the shares, and its subsidiary Tianfu Qingyuan

Holding Limited 2.01%

7 Beijing Chenan Technology Co., Ltd. Shenzhen Stock Exchange 300523 through its subsidiary, Tianfu Qingyuan Holdings 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

8 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%

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 the Energy Investment Group, and indirectly obtain 100% of the equity of Qingkong Venture Capital, thereby indirectly obtaining 66,752,273 shares of the listed company (accounting for 28.20% of the total shares of the listed company) held by Qingkong Venture Capital, and the Energy Investment Group no longer has an interest in the listed company.

2. The plan to continue to increase its shareholding in the listed company or dispose of the shares in which it already has an interest 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 or dispose of its existing interests in the next 12 months. If the information disclosure obligor makes a decision to increase or continue to reduce its shares in the listed company in the future, it will strictly comply with 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 Huahai Qingke; Qingkong Venture Capital directly holds 66,752,273 shares of the listed company, with a shareholding ratio of 28.20%; Energy Investment Group holds 100% of the equity of Tianfu Qingyuan, 100% of the equity of Qingkong Venture Capital through Tianfu Qingyuan, and indirectly holds 66,752,273 shares of the listed company through Qingkong Venture Capital, with a shareholding ratio of 28.20%.

After this change in equity, Qingkong Venture Capital still directly holds 66,752,273 shares of the listed company, with a shareholding ratio of 28.20%; Sichuan Energy Development Group holds 100% of the equity of Tianfu Qingyuan, 100% of the equity of Qingkong Venture Capital through Tianfu Qingyuan, and indirectly holds 66,752,273 shares of the listed company through Qingkong Venture Capital, with a shareholding ratio of 28.20%, and 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 "Asset Commitment

Subsequent Settlement 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." (subject to the final company registration), 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 Investment Group subordinate branches and subordinate enterprises held by the equity, shares or interests of 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 of the merger, 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 closing date of the merger, both parties shall go through the above relevant procedures as soon as possible, including but not limited to transfer, 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, agreeing to the Sichuan Provincial State-owned Assets Supervision and Administration Commission,

Sichuan Development and Sichuan Provincial Department of Finance hold 50.054%, 45.333% and 4.613% of Sichuan Energy Development Group, 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 agree with the State-owned Assets Supervision and Administration Commission of Sichuan Province,

Sichuan Development and Sichuan Provincial Department of Finance hold 50.054%, 45.333% and 4.613% of Sichuan Energy Development Group, 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 "About Sichuan Province

Approval of the strategic restructuring of Investment Group Co., Ltd. and Sichuan Energy Investment Group Co., Ltd. (Sichuan Guo Zihan [2024] No. 138).

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, stipulating:

The amount of capital contributed by each shareholder of Sichuan Energy Development Group and the proportion of shareholdings.

(5) Obtain a business license

On February 25, 2025, Sichuan Energy Development Group established and acquired Chengdu High-tech Industrial Development Zone

The Business License issued by the Administration for Market Regulation 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 (SAMR) issued the Anti-Monopoly Review of Concentration of Undertakings

The decision to implement further review is not to be further reviewed for 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 waive Sichuan Energy Development Group's trigger for the merger

's obligation to make a 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 signed the "Assets

Succession Closing 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

Prior to this equity change, 66,752,273 shares of the listed company (accounting for 28.20% of the total shares of the listed company) indirectly held by the information disclosure obligor through Qingkong Venture Capital were restricted shares, and the restriction date was lifted

It is June 8, 2025, and the specific restrictions are: On June 8, 2022, Energy Investment Group committed to Huahai

Within 36 months from the date of listing, Qingke will not transfer or entrust others to manage the shares issued by Huahai Qingke directly or indirectly held by it before the public offering, nor will Huahai Qingke repurchase such shares.

Pursuant to Rule 2.4.4 of the Listing Rules of the STAR Market, within 36 months from the date of listing of the Company's shares,

The controlling shareholder or actual controller of a listed company shall not transfer or entrust others to manage the pre-IPO shares directly or indirectly held by the listed company, nor shall it propose that the listed company repurchase such shares; If the two parties to the transfer have a control relationship or are controlled by the same actual controller, they may be exempted from the above provisions after 12 months from the date of listing of the issuer's shares.

Huahai Tsingke was listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange on 8 June 2022 as of the date of this report

Since the change in equity is a situation in which both parties to the transfer are controlled by the same actual controller, and in accordance with Article 2.4.4 of the Listing Rules of the Science and Technology Innovation Board, this change in equity can be exempted from the above-mentioned restriction commitment.

After the completion of this equity change, Sichuan Energy Development Group will continue to fulfill the relevant commitments made by Energy Investment Group such as share restriction and reduction.

In addition, there are no other restrictions on the rights of the listed company indirectly held by the information disclosure obligor, such as pledge and freezing.

6. Whether the information disclosure obligor loses control over the listed company after the change in equity

After the completion of this equity change, Energy Investment Group will no longer hold shares of the listed company and no longer have control over the listed company.

7. Before the transfer of control, whether a reasonable investigation and understanding has been conducted on the transferee's qualifications, credit standings, and intention to transfer, and whether the relevant investigation has been explained

The change in equity is an approved merger of state-owned assets, and the information disclosure obligor has conducted a reasonable investigation and understanding of the subject qualifications, credit status, and transfer intention of Sichuan Energy Development Group, and believes that Sichuan Energy Development Group has the acquisition conditions of a listed company, and there is no situation stipulated in Article 6 of the "Acquisition Management Measures".

8. Whether the transferor or transferor and its affiliates have failed to pay off their liabilities to the listed company, failed to release the guarantee provided by the listed company for their liabilities, or have harmed the interests of the listed company; If there is any of the above, a specific solution should be disclosed

As of the date of signing this report, the information disclosure obligor and its affiliates have operational transactions with the listed company arising from normal business operations, and the relevant debts will continue to be performed by Sichuan Energy Development Group after the completion of this equity change. In addition to the above-mentioned normal business operations, there is no failure to pay off its liabilities to the listed company, failure to release the guarantee provided by the listed company for its liabilities, and no other circumstances that harm the interests of the listed company.

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

This 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 Investment 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 Huahai Qingke Co., Ltd.")

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

Legal representative:

Wang Cheng

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schedule

Short Form Report on Changes in Equity

Basic information

Name of listed company: Huahai Qingke Co., Ltd. Listed company Xianshuigu, Jinnan District, Tianjin

The division is located at No. 11 Juxing Road, Town

Stock abbreviation: Huahai Qingke Stock code: 688120

Name of Information Disclosure Obligor Sichuan Energy Investment Group Information Disclosure Meaning Chengdu, Sichuan Province

The place of registration of the executive of a limited liability company

Increase? Decrease? No, there is no consistent line

The number of shares in which the interest is held changes, but the number of shareholders changes. Not?

Change?

Disclosure of Information

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

The largest shareholder of the company is a listed company

International control people

Centralized trading through the stock exchange? Assignment by agreement? Administrative transfer of state-owned shares or

Equity change method (multiple selections) Change ? Indirect transfer? Obtaining new shares issued by a listed company? Enforcement Act

The court's ruling? Inherit? Gift? Other? (Subscription of fund shares, exchangeable companies.)

Debt-for-equity swap)

The information disclosure obligor owns the type of stock before disclosure: RMB ordinary shares

Number of shares and number of shares held in the listed company: 66,752,273 shares (indirectly held through Tsingkong Venture Capital)

Proportion of issued shares of the company Shareholding ratio: 28.20% (indirectly held through Qingkong Venture Capital)

After this equity change, information disclosure Stock type: not applicable

Number of shares in which the obligor has an interest Number of shares: 0 shares

and change ratio Shareholding ratio: 0.00%

Shares with interests in listed companies 1, time: February 27, 2025

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

Be? Not?

Whether the source of funds has been fully disclosed Note: Not applicable, Sichuan Energy Development Group obtained the listing through this merger

The company's shares were newly established and merged into Sichuan Energy Development due to the new establishment and merger of Sichuan Investment Group and Energy Investment Group

The Group is inherited, so this equity change does not involve cash payments

Is the information disclosure obligor intended to be? Not?

Continue to add or reduce your weight over the next 12 months

The information disclosure obligor was previously 6

Is it traded on the secondary market every month? Not?

Stocks of municipal corporations

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:

Reduction of shareholding by controlling shareholder or actual controller

When is there harm to the listed company and yes? Not?

Shareholder equity issues

Reduction of shareholding by controlling shareholder or actual controller

when there is no outstanding its to the company

The liabilities of the undischarged company are its liabilities? Not?

debt to provide security, or to the detriment of the public

other circumstances of the interests of the Division

Does this change in equity need to be approved? Not?

permit

Basic information

Be? Not?

Whether it has been approved Note: The approval of this change in equity and the progress of approval are set out in this report

"Section 4 Methods of Changes in Equity" (3) The change in rights and interests has been fulfilled

Relevant procedures" and "Fourth, the relevant procedures to be performed for this change of equity"

(There is no text on this page, it is the signed page of the "Schedule of the Report on Changes in Equity of Huahai Qingke Co., Ltd." in Simplified Form)

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

Legal representative:

Wang Cheng

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