Wison Engineering Services Co. Ltd. — Director's Dealing 2021

Feb 9, 2021

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.

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WISON ENGINEERING SERVICES CO. LTD. 惠 生 工 程 技 術 服 務 有 限 公 司

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 2236)

SUPPLEMENTAL ANNOUNCEMENT IN RELATION TO SHARE OPTIONS GRANTED ON FEBRUARY 5, 2021

Reference is made to the announcement of Wison Engineering Services Co. Ltd. (the ‘‘Company’’, together with its subsidiaries, the ‘‘Group’’) dated February 5, 2021 (the ‘‘Announcement’’), in which the Company announced that Mr. Yan was appointed as an executive director of the Company, the chief executive officer of the Group and authorised representative of the Company on February 5, 2021. On the same day of this appointment, which is also the same day of his first joining the Group, Mr. Yan was granted share options involving 30,000,000 Shares (the ‘‘Options’’) under the share option scheme of the Company adopted on November 30, 2012. Unless the context otherwise requires, capitalized terms used in this announcement shall have the same meanings as defined in the Announcement.

The Board hereby announces that in response to an enquiry of the Stock Exchange and with agreement of Mr. Yan, the Company has decided to cancel the Options granted on February 5, 2021, in order to ensure that the date of grant of the Options falls outside the blackout period for directors’ dealings in relation to the announcement of the Company’s 2020 annual results (the ‘‘Blackout Period’’), in compliance with the Model Code for Securities Transactions by Directors of Listed Issuers as set out in Appendix 10 to the Listing Rules. The Company plans to grant Mr. Yan the same number of Options after the expiry of the Blackout Period.

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As at the date of this announcement, the Options have not been vested or exercised. The Directors consider that the cancellation of the Options has no significant impact on the financial position or daily operations of the Group.

By Order of the Board Wison Engineering Services Co. Ltd. ZHOU Hongliang

Executive Director

Hong Kong, February 9, 2021

As at the date of this announcement, the executive Directors are Mr. Yan Shaochun, Mr. Zhou Hongliang, Mr. Dong Hua and Mr. Zheng Shifeng; the non-executive Director is Mr. Liu Hongjun; and the independent non-executive Directors are Mr. Lawrence Lee, Mr. Tang Shisheng and Mr. Feng Guohua.

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