China BlueChemical : NOTICE OF THE EXTRAORDINARY GENERAL MEETING

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(a joint stock limited company incorporated in the People's Republic of China with limited liability)

(Stock Code: 3983)

NOTICE OF THE EXTRAORDINARY GENERAL MEETING

NOTICE IS HEREBY GIVEN that the extraordinary general meeting (the ''EGM'') of China BlueChemical Ltd. (the ''Company'') will be held at the Meeting Room, 3rd Floor, Kaikang CNOOC Mansion, No. 15, Sanqu, Anzhenxili, Chaoyang District, Beijing, the PRC, on Thursday, 28 December 2017 at 10 a.m. Unless otherwise indicated, capitalized terms used in this notice and the following resolutions shall have the same meanings as those defined in the circular of the Company dated 13 November 2017 (the ''Circular''). The EGM is for the purposes of considering and, if thought fit, passing the following resolutions:

By way of ordinary resolutions:

''THAT:

1. To consider and approve the entering into of the Dongfang 13-2 Gasfield Group Natural Gas Sale and Purchase Agreement dated 3 November 2017 among the Company, CNOOC Fudao and CNOOC China Limited, details of which are set out in the Circular; and the board of directors of the Company (the ''Board'') is hereby authorized to take such actions as are necessary to implement the Dongfang 13-2 Gasfield Group Natural Gas Sale and Purchase Agreement.

2. To consider and approve the proposed annual caps for the transactions under the Natural Gas Sale and Purchase Agreements for the three financial years commencing on 1 January 2018 and ending on 31 December 2020 as set out in the Circular; and the Board is hereby authorized to take such actions as are necessary to implement the proposed annual caps for the transactions under the Natural Gas Sale and Purchase Agreements.

3. To consider and approve the entering into of the Comprehensive Services and Product Sales Agreement dated 3 November 2017 between the Company and CNOOC, details of which are set out in the Circular; and the Board is hereby authorized to take such actions as are necessary to implement the Comprehensive Services and Product Sales Agreement.

4. To consider and approve the proposed annual caps for the transactions in relation to the provision of services and supplies and sale of products by the Group to CNOOC Group under the Comprehensive Services and Product Sales Agreement for the three financial years commencing on 1 January 2018 and ending on 31 December 2020 as set out in the Circular; and the Board is hereby authorized to take such actions as are necessary to

   implement the proposed annual caps for the transactions in relation to the provision of services and supplies and sale of products by the Group to CNOOC Group under the Comprehensive Services and Product Sales Agreement.

5. To consider and approve the entering into of the Finance Lease Agreement between the Company and CNOOC Leasing dated 3 November 2017, details of which are set out in the Circular; and the Board is hereby authorized to take such actions as are necessary to implement the Finance Lease Agreement.

6. To consider and approve the proposed annual caps for the transactions under the Finance Lease Agreement for the three financial years commencing on 1 January 2018 and ending on 31 December 2020 as set out in the Circular; and the Board is hereby authorized to take such actions as are necessary to implement the proposed annual caps for the transactions under the Finance Lease Agreement.''

By Order of the Board

China BlueChemical Ltd.* Wu Xiaoxia

Company Secretary

Beijing, the PRC

13 November 2017

As at the date of this notice, the executive director of the Company is Mr. Xia Qinglong, the non- executive directors of the Company are Mr. Chen Bi, Mr. Meng Jun and Mr. Guo Xinjun, and the independent non-executive directors of the Company are Ms. Lee Kit Ying, Mr. Lee Kwan Hung and Mr. Yu Changchun.

Notes:

1. In order to determine the list of shareholders who are entitled to attend the EGM, the registers of members will be closed from 28 November 2017 to 28 December 2017, both days inclusive, during which period no transfer of shares will be effected. Shareholders of the Company whose names appear on the registers of members of the Company on 28 December 2017 are entitled to attend the meeting.

   In order to attend and vote at the meeting, holders of H shares of the Company whose transfers have not been registered shall deposit the transfer documents together with the relevant share certificates at the H share registrar of the Company, Computershare Hong Kong Investor Services Limited at or before 4 : 30

   p.m. on 27 November 2017. The address of the transfer office of Computershare Hong Kong Investor Services Limited is Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong.

2. A shareholder entitled to attend and vote at the meeting may appoint one or more proxies to attend and vote in his stead. A proxy need not be a shareholder of the Company. Where a shareholder has appointed more than one proxy to attend the meeting, such proxies may only vote on a poll.

   The instrument appointing a proxy must be in writing under the hand of a shareholder or his attorney duly authorised in writing. If the shareholder is a corporation, that instrument must be either under its common seal or under the hand of its attorney or duly authorised attorney(s). If that instrument is signed by an attorney of the shareholder, the power of attorney authorising that attorney to sign or other authorisation document must be notarised.

   In order to be valid, in respect of holders of domestic shares or unlisted foreign shares, the proxy form together with the power of attorney or other authorisation document (if any) must be deposited at the Company's Secretary Office of the Board in China (Address: Room 1707, Kaikang CNOOC Mansion, No. 15, Sanqu, Anzhenxili, Chaoyang District, Beijing, the PRC) not less than 24 hours before the time fixed for

   holding the meeting (i.e., by 10 : 00 a.m. on Wednesday, 27 December 2017). In respect of the Company's H shares, the said documents together must be lodged at the Company's H share Registrar within the abovementioned period by holders of H shares. Completion and return of the proxy form will not preclude a shareholder from attending and voting in person at the meeting if she/he so wishes. The H Share Registrar of the Company is Computershare Hong Kong Investor Services Limited, whose address is 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong.

3. Shareholders who intend to attend the meeting in person or by proxy should return the reply slip in person, by post or by fax to the Company's Secretary Office of the Board in China (for holders of domestic shares or unlisted foreign shares) or Computershare Hong Kong Investor Services Limited (for holders of H shares) on or before Friday, 8 December 2017. The Company's Secretary Office of the Board in China is Room 1707, Kaikang CNOOC Mansion, No. 15, Sanqu, Anzhenxili, Chaoyang District, Beijing, the PRC (Tel: 0086-10-84527250, Fax: 0086-10-84527254, Post code: 100029). The address of Computershare Hong Kong Investor Services Limited is 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong.

4. Shareholders or their proxy must present proof of their identities upon attending the EGM. Should a proxy be appointed, the proxy must also present copies of his/her proxy form, or copies of appointing instrument and power of attorney, if applicable.

5. The EGM is expected to last not more than one day. Shareholder or proxies attending the EGM are responsible for their own transportation and accommodation expenses.

* For identification purposes only