中海油服:中海油服H股公告:登记股东之提示信函及回条-以电子方式发布公司通讯安排的提示信函

(Incorporated in the People’s Republic of China as a joint stock limited liability company)
（在中华人民共和国注册成立的股份有限公司）
（Stock Code 股份代号：2883）
16 April 2025
Dear registered shareholder(s),
Reminder letter regarding the Arrangement of Electronic Dissemination of Corporate Communications (Note 1)
With reference to the notification letter dated 28 February 2024 titled “Arrangement of Electronic Dissemination of Corporate Communications”, China Oilfield
Services Limited (the “Company”) is writing to remind you that the Company has adopted electronic dissemination of corporate communications (the “Corporate
Communications”), which mean any documents issued or to be issued by the Company for the information or action of holders of any of its securities, including
but not limited to (a) the directors’ report, its annual accounts together with a copy of the auditors’ report and, where applicable, its summary financial report; (b)
the interim report and, where applicable, its summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular and (f) a proxy form.
Please note that both the English and Chinese versions of all future Corporate Communications will be available electronically on the website of the Company at
www.cosl.com.cn and the HKEXnews website at www.hkexnews.hk in place of printed copies.
Solicitation of electronic contact details
The Company have not received your email address for the electronic dissemination of Corporate Communications. To ensure timely receipt of the Actionable
Corporate Communications, the Company recommends you provide your email address by scanning your personalized QR code printed on the enclosed reply form
(the“Reply Form”).Alternatively,you may sign and return theReply Formto theCompany’sHongKong shareregistrar(the“HShareRegistrar”),Computershare
Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong.
If the Company does not receive your functional email address, until such time that the functional email address is provided to the H Share Registrar, the
Company will send the Actionable Corporate Communications in printed form in the future (Note2).
If you want to receive the Corporate Communications in printed form, please complete the enclosed Reply Form and send it to the H Share Registrar or send an
email to chinaoilfieldservices.ecom@computershare.com.hk specifying your name, address and request to receive the Corporate Communications in printed form.
Please note that such instruction shall be valid for one year starting from the receipt date of your instruction and will expire thereafter.
Should you have any queries relating to this letter, please contact the H Share Registrar at (852)2862 8688 during business hours from 9:00 a.m. to 6:00 p.m. (Hong
Kong time), Mondays to Fridays, excluding Hong Kong public holidays.
Yours faithfully,
By order of the Board
China Oilfield Services Limited
Sun Weizhou
Company Secretary
Note 1: This letter is addressed to registered shareholders of the Company who have not yet provided an email address for the timely receipt of Actionable Corporate
Communications. If you are a new registered shareholder, please read the arrangement for the electronic dissemination of corporate communications below and provide
your email address as recommended.
Note 2: Actionable Corporate Communication is any corporate communication that seeks instructions from issuer’s securities holders on how they wish to exercise their rights or
make an election as the issuer’s securities holder.
各位登记股东：
以电子方式发布公司通讯安排的提示信函（附注 1）
根据日期为 2024 年 2 月 28 日有关「以电子方式发布公司通讯之安排」之通知信函所述，中海油田服务股份有限公司（「公司」）谨此提醒 阁下，公
司已采用以电子方式发布公司通讯（「公司通讯」）之安排，该公司通讯是指公司为向其任何证券持有人提供资讯或提醒其采取行动而发布或将要发布的任何文件，包括但不限於(a) 董事报告、年度帐目以及审计报告副本以及财务报告摘要（如适用）； (b) 中期报告及其中期报告摘要（如适用）； (c)
会议通知； (d) 上市文件； (e) 通函和 (f) 委任表格。
请注意，所有未来公司通讯的英文版和中文版将在公司网站 www.cosl.com.cn 和披露易网站 www.hkexnews.hk 上提供，以代替印刷本。
徵集电子联络资料
公司尚未收到 阁下就接收公司通讯提供电子邮件地址。为确保及时收到可供采取行动的公司通讯，公司建议 阁下透过扫描本函随附之回条（「回
条」）上列印的 阁下专属二维码来提供 阁下的电子邮件地址。或者， 阁下也可以签署回条并交回公司的香港股份过户登记处（「H 股股份过户
处」）