Bisu Technology International : CHANGE OF COMPANY NAME AND COMPANY LOGO

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

(formerly known as Bisu Technology Group International Limited比速科技集團國際有限公司*)

(Incorporated in Cayman Islands with limited liability)

(Stock Code: 1372)

CHANGE OF COMPANY NAME AND COMPANY LOGO

Reference is made to the announcement of China Carbon Neutral Development Group Limited 中 國碳中和發展集團有限公司 (formerly known as Bisu Technology Group International Limited 比速科技集團國際有限公司) (the "Company") of 2 March 2021, the circular of the Company of 15 March 2021 (the "Circular") and the announcement of the Company relating to the poll voting

result at the extraordinary general meeting ("EGM") of 8 April 2021, in relation to, among other things, the proposed change of name of the Company (the "Change of Company Name"). Unless the context otherwise requires, capitalised terms used in this announcement shall have the same meanings as those defined in the Circular.

The board of directors of the Company is pleased to announce that the official registered English

name of the Company has been changed from "Bisu Technology Group International Limited" to "China Carbon Neutral Development Group Limited" and the name of "中國碳中和發展集團有

限公司" has been adopted as the name of the Company in Chinese to replace its existing name in Chinese "比速科技集團國際有限公司", which was used for identification purpose only previously,

with effect from 8 April 2021.

Subsequent to the passing of the special resolution regarding the Proposed Change of Company Name at the EGM held on 8 April 2021, the Company has received at the date of this announcement the relevant certificates' copy which were issued by the Registrar of Companies in Cayman Island on 8 April 2021 regarding the abovementioned changes of English name and Chinese name of the Company.

The change of the Company's name will not, of itself, affect any rights of the Shareholders. All existing share certificates of the Company in issue bearing the former name of the Company will continue to be effective and as documents of title to the shares of the Company and will remain valid for trading, settlement, registration and delivery purposes. Accordingly, there will not be any arrangement for the free exchange of the existing share certificates for new share certificates bearing the new name of the Company. New share certificates of the Company will be issued under the new name of the Company.

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The Company has adopted a new logo with effect from 14 April 2021 which is set out below:

Further announcement(s) will be made by the Company on the completion of the consequential registration procedure pursuant to Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) in relation to the change of the Company's name, the change in the stock short name of the Company and other consequential changes as and when appropriate.

By order of the Board

China Carbon Neutral Development Group Limited

Gao Gunter

Chairman

Hong Kong, 14 April 2021

As at the date of this announcement, the executive directors are Dr. Gao Gunter, Mr. Chen Xinwei, Dr. Cui Dingjun, Mr. Di Ling and Mr. Artem Matyushok; and the independent non-executive Directors are Mr. Ip Mei Shun, Mr. Leung Tsz Wing and Mr. Yu Wai Chun.

• For identification purposes only

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