Shenzhen Kingdom Sci-Tech.Ltd(600446) : Shenzhen Kingdom Sci-Tech.Ltd(600446) announcement on the extension of the third extraordinary general meeting of shareholders in 2022

Securities code: Shenzhen Kingdom Sci-Tech.Ltd(600446) securities abbreviation: Shenzhen Kingdom Sci-Tech.Ltd(600446) Announcement No.: 2022017 bond Code: 143367 bond abbreviation: 17 Jinzheng 01

Shenzhen Kingdom Sci-Tech.Ltd(600446)

Announcement on the extension of the third extraordinary general meeting of shareholders in 2022

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear individual and joint liabilities for the authenticity, accuracy and completeness of its contents. Important content tips:

Meeting time after postponement: April 29, 2022

1、 Relevant information of the original shareholders’ meeting 1 Type and session of the original general meeting of shareholders the third extraordinary general meeting of shareholders in 2022

2. Date of the original shareholders’ meeting: April 12, 2022

3. Equity registration date of the original shareholders’ meeting

Stock category Stock Code Stock abbreviation equity registration date

A-share Shenzhen Kingdom Sci-Tech.Ltd(600446) Shenzhen Kingdom Sci-Tech.Ltd(600446) 2022 / 4 / 7

2、 Reasons for the postponement of the general meeting of shareholders

Shenzhen Kingdom Sci-Tech.Ltd(600446) (hereinafter referred to as “the company”) originally planned to hold the third extraordinary general meeting of shareholders in 2022 on April 12, 2022. For details, please refer to the website of Shanghai Stock Exchange (www.sse. Com. CN.) on March 26, 2022 The notice of Shenzhen Kingdom Sci-Tech.Ltd(600446) on convening the third extraordinary general meeting of shareholders in 2022 (Announcement No.: 2022014) disclosed.

Due to the needs of meeting preparation and work arrangement, combined with the actual situation of the company, the third extraordinary general meeting of shareholders in 2022 was postponed to 14:00 on April 29, 2022, and the original equity registration date remained unchanged.

3、 Relevant information of the postponed shareholders’ meeting 1 Date and time of the postponed on-site meeting

Date and time of the meeting: 14:00 on April 29, 2022

2. Starting and ending date and voting time of online voting after extension

Starting and ending time of online voting: from April 29, 2022

To April 29, 2022

The online voting system of Shanghai Stock Exchange is adopted. The voting time through the trading system voting platform is the trading time period on the day of the general meeting of shareholders, i.e. 9:15-9:25, 9:30-11:30, 13:00-15:00; The voting time of the shareholders’ meeting on the Internet is 9:00-15:00.

3. The equity registration date of the postponed general meeting of shareholders remains unchanged. For other relevant matters, refer to the notice of Shenzhen Kingdom Sci-Tech.Ltd(600446) on convening the third extraordinary general meeting of shareholders in 2022 (Announcement No.: 2022014) published by the company on March 26, 2022. 4、 Other matters will last for half a day. The participants will pay for their own transportation, accommodation and accommodation. Company address: conference room, 9th floor, Jinzheng technology building, Gaoxin South Wudao, Nanshan District, Shenzhen postal code: 518057 contact person: Chen Zhisheng

Tel.: 0755863989 Fax: 0755863986

Shenzhen Kingdom Sci-Tech.Ltd(600446) board of directors April 7, 2022

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