Letter to Shareholders with Instruction Slip - Notification of Publication of 1. Annual Report for the year ended 31 March 2024; 2. Circular (together with Notice of Annual General Meeting and Proxy Form) of Proposed Grant of General Mandates to Buy Back and Issue Shares, Re-election of Retiring Directors and Continuous Appointment of Independent Non-Executive Director Who Has Served More Than Nine Years; and 3. Environmental, Social and Governance Report for the year ended 31 March 2024

(Incorporated in Hong Kong with limited liability) (于香港注册成立之有限公司) (Stock Code: 18) (股份代号：18) Dear Shareholders Oriental Enterprise Holdings Limited (the “Company”) – Notification of Publication of 1. Annual Report for the year ended 31 March 2024; 2. Circular (together with Notice of Annual General Meeting and Proxy Form) of Proposed Grant of General Mandates to Buy Back and Issue Shares Re-election of Retiring Directors and Continuous Appointment of Independent Non-Executive Director Who Has Served More Than Nine Years (“Current Corporate Communications”); and 3. Environmental Social and Governance Report for the year ended 31 March 2024 (“2024 ESG Report”) Please be informed that the Current Corporate Communications of the Company (in English and Chinese versions) are now available on the Company’s website at https://oeh.on.cc under “Corporate Information” section (the “Company Website”) and the website of Hong Kong Exchanges and Clearing Limited at https://www.hkexnews.hk (the “HKEXnews Website”).Please note that the Company’s 2024 annual general meeting will be held at 4th Floor Oriental Media Centre 23 Dai Cheong Street Tai Po Industrial Estate Hong Kong on Wednesday 21 August 2024 at 11:00 a.m..For environmental protection the Company encourages its shareholder(s) (the “Shareholder(s)”) to receive the Corporate Communications* by electronic means through the Company’s website please complete Part A of the attached Instruction Slip and return it to the Company’s Share Registrar Tricor Friendly Limited by email to oeh18-ecom@hk.tricorglobal.com by facsimile to (852) 2861 1465 by post using the pre-paid mailing label provided at the bottom of the Instruction Slip or mail directly to 17/F Far East Finance Centre 16 Harcourt Road Hong Kong.If you choose to receive the Corporate Communications by electronic means and have specified your email address in the Instruction Slip we will send you an email notification to inform you of the release of the relevant Corporate Communications on the Company’s website on the day such Corporate Communication(s) is/are sent to the Shareholders. In case you have not provided your email address we will notify you by mail instead. Shareholders who have chosen to receive the Corporate Communications by electronic means and who for any reason have difficulty in receiving or gaining access to the relevant Corporate Communications kindly complete Part B of the attached Instruction Slip and return it to the Company’s Share Registrar by using any of the above-mentioned methods. The relevant Corporate Communications will be sent to you in printed form free of charge.After your election you may also change your choice of means of receipt at any time by giving us reasonable prior notice by completing Part A of the attached Instruction Slip and return it to the Company’s Share Registrar by using any of the above-mentioned methods. We will not charge you any fee therefor. A copy of the Instruction Slip can also be obtained from the Company’s Share Registrar.The Company’s 2024 ESG Report is published in electronic form only on the Company Website and the HKEXnews Website. If you wish to receive a printed copy of the 2024 ESG Report you may submit your request to the Company’s Share Registrar by post at the above address.If you have any queries relating to this letter please contact our Share Registrar’s hotline at (852) 2980 1333 between 9:00 a.m. and 5:30 p.m. (Monday to Friday excluding public holidays).By order of the board of Oriental Enterprise Holdings Limited Ka-bong WONG Company Secretary Hong Kong 12 July 2024 Encl.* Corporate Communications refer to any documents issued or to be issued by the Company including but not limited to: (a) annual reports; (b) interim reports; (c) environmental social and governance reports; (d) notices of meetings; (e) listing documents; (f) circulars and (g) proxy forms.敬启者： 东方企控集团有限公司（「本公司」）－发布1.截至2024年3月31日止年度的年度报告； 2.通函（连同股东周年大会通告及代表委任表格）有关建议授出回购及发行股份之一般授权、重选退任董事及继续委任在任超过九年之独立非执行董事（「是次企业通讯」）；及 3.截至2024年3月31日止年度的环境、社会及管治报告（「2024年度环境、社会及管治报告」）的通知 本公司谨通知 阁下，本公司是次企业通讯（中、英文版本）已上载于本公司网站（https://oeh.on.cc）之「企业资料」内（「本公司网站」）及香港交易及结算所有限公司网站（https://www.hkexnews.hk）（「披露易网站」）。 本公司2024年股东周年大会将于2024年8月21日（星期三）上午11时正在香港大埔工业邨大昌街23号东方传媒中心4楼举行。 为保护环境，本公司鼓励各股东（「股东」）选择透过本公司网站收取企业通讯*电子版本，请填妥随附之「指示回条」甲部，并电邮至oeh18-ecom@hk.tricorglobal.com、传真至(852) 2861 1465、使用印于「指示回条」底部的已预缴邮寄标签或直接寄回香港夏悫道 16 号远东金融中心 17楼本公司股份过户登记处卓佳准诚有限公司。 如阁下选择以电子方式收取企业通讯，并已于「指示回条」填上电邮地址，本公司将会于本公司网站公布企业通讯及寄发该企业通讯予股东当日，以电邮形式通知阁下。如阁下并未提供电邮地址，本公司将以邮寄函件取代。已选择电子方式收取企业通讯的股东，如因任何理由对接收或取得有关企业通讯遇到困难，请填妥随附之「指示回条」乙部并以上述任何一种方式交回本公司股份过户登记处，均可获免费发送有关企业通讯的印刷本。 阁下作出选择后，仍可随时更改收取方式，但须给予合理时间通知，并填妥「指示回条」甲部及透过上述任何一种方式交回本公司股份过户登记处即可，费用全免。阁下亦可向本公司股份过户登记处索取「指示回条」。 本公司之2024年度环境、社会及管治报告仅以电子形式上载于本公司网站及披露易网站。倘阁下希望收取2024年度环境、社会及管治报告的印刷本，可通过邮寄方式向本公司股份过户登记处提出相关要求，地址如上。 如阁下对本函件有任何疑问，请于上午9时至下午5时30分（星期一至五，公众假期除外）致电本公司股份过户登记处热线(852)29801333查询。 承董事会命东方企控集团有限公司公司秘书黄嘉邦香港，2024年7月12日附件 * 企业通讯指由本公司发出或将予发出的任何文件，包括但不限于：(a)年度报告；(b)中期报告；(c)环境、社会及管治报告；(d)会议通告；(e)上市文件；(f)通函及(g)代表委任表格。INSTRUCTION SLIP 指示回条Please complete sign and return this Instruction Slip to the Share Registrar of Oriental Enterprise Holdings Limited (the “Company”) Tricor Friendly Limited by email to oeh18-ecom@hk.tricorglobal.com by facsimile to (852) 2861 1465 by post using the pre-paid mailing label provided at the bottom of this slip or mail directly to 17/F Far East Finance Centre 16 Harcourt Road Hong Kong.请填妥及签署下列「指示回条」，并电邮至oeh18-ecom@hk.tricorglobal.com、传真至 (852) 2861 1465、使用印于本回条底部的已预缴邮寄标签或直接寄回香港夏悫道16号远东金融中心17楼，东方企控集团有限公司（「本公司」）股份过户登记处卓佳准诚有限公司。 Part A: To elect/change the means of receipt of the future Corporate Communications* 甲部：选择／更改日后收取「企业通讯*」之方式 I/We would like to receive the Company’s future Corporate Communications: (Please “?” only one box) 本人╱吾等欲以下列方式收取日后的企业通讯：（请以「?」号选择一项） □ in printed form; or 只收取印刷本；或 □ by electronic means in lieu of in printed form. 以电子方式取代印刷本。 My/Our email address: 本人╱吾等的电邮地址： (Please ensure your email address is properly filled in for the purpose of receiving the notification of release of Corporate Communications)（请确保填上正确的电邮地址以作收取企业通讯发布通知之用） Part B: Request for printed form of current Corporate Communications 乙部：要求发送是次企业通讯之印刷本 □ I/We have chosen to receive the Corporate Communications by electronic means but would also like to receive the relevant printed form.本人╱吾等已选择透过以电子方式浏览企业通讯，但仍希望收取有关企业通讯之印刷本。 Name(s) of Shareholder(s) in English 股东的英文名称 Name(s) of Shareholder(s) in Chinese 股东的中文名称 (Please use BLOCK LETTERS) （请以大楷书写） Registered address of Shareholder(s) 股东的登记地址 Contact telephone number 联络电话 Signature(s) 签署 Date 日期 Notes 附注: 1. The above instruction will apply to all Corporate Communications of the Company to be sent to you until you inform us otherwise. 上述指示将适用于本公司的所有企业通讯，直至阁下另行通知为止。 2. If any shares are held in joint names all joint holders or the joint holder whose name stands first on the Company’s register of members should sign this Instruction Slip in order for it to be valid.如任何股份以联名方式持有，则所有联名持有人或名列本公司股东名册的首名联名持有人须于本指示回条上签署，方为有效。 3. This Instruction Slip with no box ticked or otherwise incorrectly completed will be deemed void and would assume you would like to receive the Company’s future Corporate Communications by electronic means.如在本指示回条未有作出选择或在其他方面填写不正确，本指示回条将作废及假设阁下欲以电子方式收取本公司日后的企业通讯。 4. For the avoidance of doubt no additional instructions (other than those imprinted herein) written on this Instruction Slip will be processed. 免生疑问，在本指示回条写上的任何额外指示（本回条上所印列之指示除外）将不予处理。 * Corporate Communications refer to any documents issued or to be issued by the Company including but not limited to: (a) annual reports; (b) interim reports; (c) environmental social and governance reports; (d) notices of meetings; (e) listing documents; (f) circulars and (g) proxy forms.* 企业通讯指由本公司发出或将予发出的任何文件，包括但不限于：(a)年度报告；(b)中期报告；(c)环境、社会及管治报告；(d)会议通告；(e)上市文件；(f)通函及(g)代表委任表格。 (Please cut along the dotted line 请沿虚线剪下) ?------------------------------------------------------ Please cut the mailing label and stick this on the envelope 邮寄标签 MAILING LABEL to return this Instruction Slip to us.No postage stamp necessary if posted in Hong Kong. 卓佳准诚有限公司 Otherwise please affix an appropriate stamp. Tricor Friendly Limited 阁下寄回此指示回条时，请将邮寄标签剪贴于信封上。 简便回邮号码 10 GPO Freepost No. 10 GPO如在本港投寄毋须贴上邮票，否则请贴上适当的邮票。 香港 Hong Kong