JY GAS LIMITED — Proxy Solicitation & Information Statement 2022

Jun 23, 2022

(Incorporated in Bermuda with limited liability)

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（於百慕達註冊成立之有限公司）

(Stock code 股份代號 : 603)

24 June 2022

Dear Non-registered Holder(s)[ (Note)] ,

China Oil And Gas Group Limited (the “Company”)

- Special General Meeting (“SGM”) of the Company to be held on Friday, 15 July 2022

The SGM of the Company will be held at Suite 1518, 15th Floor, Xinhai International Business Centre, No. 9 Qianshan Road, Xiangzhou District, Zhuhai City, Guangdong Province, China on Friday, 15 July 2022 at 10:30 a.m.. Shareholders have the option of viewing and listening to the SGM through the live webcast.

To access the live webcast at the SGM

As a Non-registered Holder whose shares are held in the Central Clearing and Settlement System through banks, brokers, custodians, nominees or HKSCC Nominees Limited (together, the “Intermediary”), may opt to view and listen at the SGM through the live webcast. From 10:00 a.m. on Friday, 15 July 2022, you can log in to the SGM online platform by visiting http://meetings.computershare.com/ChinaOilAndGas_SGM2022 .

In order to view and listen the live webcast online, you need to (i) contact your Intermediary to appoint the chairman of the SGM as the proxy to attend and vote on your behalf at the SGM and (ii) provide your e-mail address to your Intermediary, before the deadline required by your Intermediary. Details regarding the SGM arrangements including the login details to access the SGM online platform will be sent by Computershare Hong Kong Investor Services Limited, the Company’s branch share registrar and transfer office in Hong Kong, to the e-mail address provided by you.

By Order of the Board China Oil And Gas Group Limited Chan Yuen Ying, Stella Company Secretary

Note: This Letter is addressed to Non-registered Holder(s) of the shares in the Company (“ Non-registered Holder ” means such person or company whose shares are held in the Central Clearing and Settlement System and who has notified the Company from time to time through Hong Kong Securities Clearing Company Limited that he/she/it wishes to receive the Corporate Communications). If you have sold or transferred your shares in the Company, please disregard this Letter.

* For identification purposes only

各位非登記持有人（附註）：

中油燃氣集團有限公司（「公司」）

- 於 2022 年 7 月 15 日（星期五）舉行之本公司股東特別大會（「股東特別大會」）

公司之股東特別大會將於 2022 年 7 月 15 日（星期五）上午 10 時 30 分假座中國廣東省珠海市香洲區前山路 9 號心海州中央 商務中心 15 樓 1518 室舉行。股東可選擇透過網絡直播觀看及參與股東特別大會。

以網絡直播觀看及參與股東特別大會

如 閣下為通過銀行、經紀、託管商、代理人或香港中央結算（代理人）有限公司（統稱「中介公司」）於中央結算及交收系 統持有股份的非登記持有人，閣下可選擇以使用網絡直播看股東特別大會。由 2022 年 7 月 15 日（星期五）上午 10 時開始， 閣下可瀏覽 http://meetings.computershare.com/ChinaOilAndGas_SGM2022 以登入股東特別大會網上平台。

閣下須 (i)聯絡 閣下之中介公司以委任股東特別大會主席作為 閣下出席及投票；及 (ii)於 閣下之中介公司所規定之期限前 向該中介公司提供 閣下之電郵地址，以便以網絡直播觀看及參與股東特別大會。有關股東特別大會安排之詳情（包括進入 股東特別大會網上平台之登入資料），將會由公司之香港股份過戶登記分處香港中央證券登記有限公司發送至 閣下所提供之 電郵地址。

承董事會命 中油燃氣集團有限公司 公司秘書 陳婉縈

2022 年 6 月 24 日

附註： 此為致公司股份非登記持有人（「 非登記持有人 」指所持有的公司股份存放於中央結算及交收系統的人士或公司，透過香港中央結算有限公司不時向公司發出通知，表示欲收 取公司通訊）。倘 閣下已出售或轉讓所持有的公司股份，則毋須理會本函件。

* 僅供識別