Jutal Offshore Oil Services : SUPPLEMENTARY ANNOUNCEMENT IN RELATION TO THE ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR ENDED 31 DECEMBER 2020

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.

巨 濤 海 洋 石 油 服 務 有 限 公 司

Jutal Offshore Oil Services Limited

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 03303)

SUPPLEMENTARY ANNOUNCEMENT IN RELATION TO

THE ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR

ENDED 31 DECEMBER 2020

Reference is made to the annual results announcement for the year ended 31 December 2020 of Jutal Offshore Oil Services Limited (the "Company", together with its subsidiaries, the "Group") (the "2020 Annual Results"). Unless otherwise defined, capitalised terms used in this announcement shall have the same meanings as those set out in the 2020 Annual Results.

In addition to the information provided in the 2020 Annual Results, the board of directors of the Company (the "Board") would like to provide further information as below:

DIVIDEND

The Board recommends the payment of a final dividend of HK0.22 per share for the year ended 31 December 2020, which is subject to the shareholders' approval in the coming annual general meeting of the Company.

The recommended final dividend, if approved by the shareholders, will be payable on Friday, 18 June 2021 to the shareholders of the Company whose names will appear on the register of members of the Company (the "Register of Members") on Tuesday, 1 June 2021.

The Register of Members will be closed from Friday, 28 May 2021 to Tuesday, 1 June 2021 (both days inclusive). In order to establish entitlements to the recommended final dividend, all transfers accompanied by the relevant Share certificates must be lodged with the Company's share registrar, Tricor Investor Services Limited, which is situated at Level 54, Hopewell Centre, 183 Queen's Road East, Hong Kong not later than 4:30 p.m. on Thursday, 27 May 2021.

Save as disclosed in this supplementary announcement, the remaining contents of the 2020 Annual Results remain unchanged.

By order of the Board

JUTAL OFFHSORE OIL SERVICES LIMITED

Wang Lishan

Chairman

Hong Kong, 31 March 2021

As at the date of this announcement, the executive directors are Mr. Wang Lishan (Chairman), Mr. Liu Lei (Deputy Chairman), Mr. Cao Yunsheng, Mr. Gao Zhiqiang, Mr. Wang Ningsheng and Mr. Liu Yunian; and the independent non-executive directors are Mr. Su Yang, Mr. Qi Daqing and Mr. Zheng Yimin.