Guangdong Dowstone Technology Co.Ltd(300409) : Announcement on the completion of industrial and commercial change registration of subsidiaries

Securities code: Guangdong Dowstone Technology Co.Ltd(300409) securities abbreviation: Guangdong Dowstone Technology Co.Ltd(300409) Announcement No.: 2022027 Guangdong Dowstone Technology Co.Ltd(300409)

Announcement on the completion of industrial and commercial change registration of subsidiaries

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions. 1、 Overview of industrial and commercial changes

On February 18, 2022, Guangdong Dowstone Technology Co.Ltd(300409) (hereinafter referred to as “the company”) held the 2nd meeting of the 5th board of directors in 2022, deliberated and adopted the proposal on introducing strategic investors to increase capital and shares of Guangdong Jiana, a wholly-owned subsidiary. In order to enhance the competitive strength of the subsidiary Guangdong Jiana Energy Technology Co., Ltd. (hereinafter referred to as “Guangdong Jiana”) and promote the rapid and steady development of the company’s lithium battery material business, the company increased the capital and shares of Guangdong Jiana by introducing strategic investors. After friendly negotiation, Ganzhou development No. 3 new energy materials industry investment fund partnership (limited partnership) (hereinafter referred to as “Ganzhou No. 3 new energy materials fund”) and Ganzhou development No. 4 new energy materials industry investment fund partnership (limited partnership) (hereinafter referred to as “Ganzhou No. 4 new energy materials fund”) have invested with their own funds, The capital of Guangdong Jiana was increased by 400 million yuan and 300 million yuan respectively in cash. After the capital increase, the registered capital of Guangdong Jiana will increase from 154475500 yuan to 166490300 yuan. Ganzhou No. 3 new energy materials fund and Ganzhou No. 4 new energy materials fund will hold 4.12% and 3.09% equity of Guangdong Jiana respectively. For details, please refer to the announcement on introducing strategic investors to increase capital and shares of Guangdong Jiana, a wholly-owned subsidiary, disclosed by the company on February 18, 2022 (Announcement No.: 2022011). 2、 Basic information of subsidiaries after industrial and commercial changes

Recently, Guangdong Jiana has received the capital increase and completed the industrial and commercial change registration procedures. The relevant registration information is as follows:

Enterprise name: Guangdong Jiana Energy Technology Co., Ltd

Nature of enterprise: limited liability company (sole proprietorship of legal person invested or controlled by non natural person)

Legal representative: Zhang Chen

Date of establishment: October 24, 2003

Registered capital: 166490300 yuan

Unified social credit code / Registration No.: 914418007545493583

Registered address: Qingtang Town, Yingde City, Guangdong Province

Business scope: research, development and sales of new energy, environmental protection and energy-saving materials and energy-saving products; Production, R & D, sales and storage of lithium battery materials, cobalt, nickel, manganese, copper, tin, tungsten, molybdenum, lead, zinc metal compounds and their products; Sales of chemical products; Import and export of goods and technologies (except for projects restricted and prohibited by the state, and those involving license operation shall be produced and operated with license); Recovery, storage, utilization, echelon utilization and sales of lithium batteries and power batteries (except lead-acid batteries). (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments)

Equity structure before and after industrial and commercial change:

Before and after change

Shareholding ratio of shareholders’ subscribed capital shareholding ratio of subscribed capital

(10000 yuan) (10000 yuan)

Wuhu Jiana Energy Technology Co., Ltd

Ganzhou No.3 new energy — 686.56 4.1237% material fund

Ganzhou No.4 new energy — 514.92 3.0928% material fund

Total 1544755 1000000% 1664903 1000000%

3、 Documents for future reference

Business license of Guangdong Jiana Energy Technology Co., Ltd.

It is hereby announced.

Guangdong Dowstone Technology Co.Ltd(300409) board of directors April 6, 2022

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