China BlueChemical Ltd. — Proxy Solicitation & Information Statement 2022

Nov 11, 2022

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

(Stock Code: 3983)

Proxy Form for the First Extraordinary General Meeting of 2022

Number of shares related H Shares/Domestic to this proxy form[(note][1)] Shares/Unlisted Foreign Shares[(note][2)]

I/(We)[(note][3)] of being the holder(s) of H Share(s)/Domestic Share(s)/Unlisted Foreign Share(s)[(note][2)] of China BlueChemical Ltd.* (the ‘‘Company’’) now appoint[(note][4)] (I.D. No.: ) of

or failing him, the Chairman of the meeting as my (our) proxy to attend and vote for me (us) on the resolutions in accordance with the instructions below and on my (our) behalf at the extraordinary general meeting (the ‘‘EGM’’) to be held at 8:30 a.m. on Wednesday, 28 December 2022 at the Meeting Room, 14th Floor, Kaikang CNOOC Mansion, No. 15, Sanqu, Anzhenxili, Chaoyang District, Beijing, the PRC for the purpose of considering and, if thought fit, passing the resolutions as set out in the notice convening the said meeting. Unless otherwise indicated, capitalized terms used in this proxy form shall have the same meanings as those defined in the announcement of the Company dated 11 November 2022 (the ‘‘Announcement’’).

	By way of ordinary resolution	By way of ordinary resolution	By way of ordinary resolution	For (note 5)	Against (note 5)
1.		To consider and approve the proposed revised annual cap (the ‘‘Proposed Revised Annual CapI’’) for the provision of services and supplies and sale of products by CNOOC Group to the Groupunder the Comprehensive Services and Product Sales Agreement for the year ending 31 December2023 as set out in the Announcement; and the Board is hereby authorized to take such actions asare necessary to implement the Proposed Revised Annual Cap I.
2.		To consider and approve the proposed revised annual caps (the ‘‘Proposed Revised Annual CapsII’’) for the purchase of natural gas by the Group under the Natural Gas Sale and PurchaseAgreements for the two years ending 31 December 2022 and 2023 as set out in the Announcement;and the Board is hereby authorized to take such actions as are necessary to implement the ProposedRevised Annual Caps II.
DateNotes	:2022Signature:		:(note 4)

• (1) Please insert the number of shares registered in your name(s) to which the proxy relates. If no number is inserted, this form of proxy will be deemed to relate to all the shares in the capital of the Company registered in your name(s).

• (2) Please insert the type of shares (domestic shares or H shares or unlisted foreign shares) to which the proxy relates. Domestic shares means unlisted shares issued by the Company to domestic investors for subscription in Renminbi; H shares means overseas listed foreign shares; unlisted foreign shares means shares issued by the Company to foreign investors for subscription in foreign currency which are unlisted.

• (3) Please insert the full name(s) (in Chinese or in English, as shown in the register of members) and registered address(es) in BLOCK LETTERS.

• (4) A shareholder of the Company (the ‘‘Shareholder’’) entitled to attend and vote at the meeting may appoint one or more proxies to attend and vote in his/her stead. A proxy need not be a Shareholder. 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/her 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. To be valid, this 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) (in respect of holders of domesticorder to besharesvalid,or unlistedthe said foreigndocumentsshares)togethernot lessmustthanbe24lodgedhours (i.e.,at thebyCompany8:30 a.m.,’s HTuesday,share registrar27 Decemberwithin2022)the abovementionedbefore the time fixedperiodforbyholdingholderstheofmeeting.H shares.In registrarCompletionof theandCompanyreturn ofisthisComputershareproxy form Hongwill notKongprecludeInvestora shareholderServices Limited,from attendingwhose addressand votingis 17MinFloor,personHopewellat the meetingCentre, if183she/heQueenso’s wishes.Road East,TheWanchai,H share HongLimitedKong.’s officesPleasewillnotenot thatbe open24 Decemberon these days2022fortophysical27 Decemberdelivery2022of theare proxynot workingform. Completiondays in Hongand Kongreturn andof theComputershareproxy form willHongnotKongprecludeInvestora shareholderServices from attending and voting in person at the EGM if he/she so wishes.

• (5) IMPORTANT: IF YOU WISH TO VOTE FOR ANY RESOLUTION, TICK IN THE BOX MARKED ‘‘FOR’’. IF YOU WISH TO VOTE AGAINST ANY RESOLUTION, TICK IN THE BOX MARKED ‘‘AGAINST’’. Failure to tick the box will entitle your proxy to cast your vote at his/her discretion. Your proxy will also be entitled to vote at his/her discretion on any resolutions properly put to the EGM other than those referred to in the notice convening the EGM.

• (6) 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 thebeforeBoardThursday,in China8 (forDecemberholders2022.of domesticThe addresssharesofortheunlistedCompanyforeign’s Secretaryshares) Officeor Computershareof the BoardHongin ChinaKongisInvestorRoom 1707,ServicesKaikangLimitedCNOOC(for holdersMansion,of HNo.15,shares)Sanqu,on or Anzhenxili,Kong InvestorChaoyangServices District,Limited isBeijing,17M Floor,the PRCHopewell(Tel: Centre,0086-010-84527250,183 Queen’s RoadFax: East,0086-010-84527254,Wanchai, Hong Kong.Post code: 100029). The address of Computershare Hong

• (7) In order to determine the list of shareholders who are entitled to attend and vote at the EGM, the register of members will be closed from 28 November 2022 to Limited28transfer,DecemberataccompaniedShops20221712(bothby–1716,daysthe relevant17thinclusive),Floor,H shareduringHopewellcertificates,whichCentre,no transfermust183beQueenoflodgedshares’s RoadwithwilltheEast,be Companyeffected.Wanchai,’Ins HHongordershareKong,toregistrar,qualifynot forlaterComputershareattendancethan 4:30atHongp.m.the EGM,onKong25 allInvestorNovemberinstrumentsServices2022.of Shareholders of the Company whose names appear on the register of members of the Company on 28 December 2022 are entitled to attend the EGM.

• (8) Shareholders or their proxies must present proof of their identities upon attending the EGM.

• (9) The EGM is expected to last not more than one day. Shareholders or proxies attending the EGM are responsible for their own transportation and accommodation expenses.

• For identification purpose only