INSIDE INFORMATION COMPLETION OF ISSUANCE OF THE 2024 FIRST TRANCHE GREEN MEDIUM-TERM NOTE IN THE PRC

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.This announcement is for information purposes only and does not constitute an invitation or offer to acquire purchase or subscribe for securities nor is it calculated to invite any such offer or invitation. In particular this announcement does not constitute and is not an offer to sell or an invitation or a solicitation of any offer to buy or subscribe for any securities in Hong Kong United States or elsewhere.CHINA EVERBRIGHT GREENTECH LIMITED中国光大绿色环保有限公司 (Incorporated in the Cayman Islands with limited liability) (Stock Code: 1257) INSIDE INFORMATION COMPLETION OF ISSUANCE OF THE 2024 FIRST TRANCHE GREEN MEDIUM-TERM NOTE IN THE PRC This announcement is made by China Everbright Greentech Limited (the “Company” together with its subsidiaries the “Group”) pursuant to Rule 13.09(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”) and the Inside Information Provisions (as defined in the Listing Rules) under Part XIVA of the Securities and Futures Ordinance (Chapter 571 Laws of Hong Kong).Reference is made to the announcement of the Company dated 11 April 2023 in relation to the approval by the National Association of Financial Market Institutional Investors (“NAFMII”) in the People’s Republic of China (the “PRC”) of the Company’s registration of multiple types of debt financing instruments in the aggregate amount of not more than RMB5 billion (the “DFI”). According to the said approval the Company may issue multiple types of DFI in multiple tranches as and when appropriate within two years from the date of the notice of acceptance of registration from the NAFMII being 4 April 2023. References are also made to the announcements of the Company dated 15 May 2023 and 22 September 2023 in relation to the completion of issuance of the first tranche and second tranche of the green medium-term notes of the Company in 2023 respectively.– 1 –COMPLETION OF ISSUANCE OF THE 2024 FIRST TRANCHE GREEN MEDIUM-TERM NOTE The board of directors of the Company (the ‘‘Board’’) is pleased to announce that the Company has completed the issuance of the first tranche of the medium-term note of the Company in 2024 namely the ‘‘China Everbright Greentech Limited 2024 First Tranche Green Medium-term Note’’ (the ‘‘2024 First Tranche Green Medium-term Note’’) in the PRC on 30 May 2024. The principal terms of the 2024 First Tranche Green Medium-term Note are as follows: Issuer: The Company Principal amount: RMB1 billion Interest commencement 31 May 2024 date: Maturity period: 3+2 years with a coupon rate adjustment option exercisable by the Company and a sell back option exercisable by the investors at the end of the third interest-bearing year.Repayment date: 31 May 2029 (in the event that the investors have exercised the sell back option the repayment date of the principal of such part of 2024 First Tranche Green Medium-term Note being sold back shall be 31 May 2027 and the repayment date of the principal of such part of the 2024 First Tranche Green Medium-term Note not being sold back shall be 31 May 2029) Denomination/issue price: RMB100 per note Repayment price: At face value Coupon rate: Fixed interest rate of 2.34% per annum determined via centralized bookbuilding during the first three interest-bearing years of the 2024 First Tranche Green Medium-term Note. At the end of the third interest-bearing year the Company has the option to adjust the coupon rate of the 2024 First Tranche Green Medium-term Note. The adjusted coupon rate shall remain unchanged for the last two years.– 2 –Sell back option: The investors shall be entitled to sell all or part of the 2024 First Tranche Green Medium-term Note back to the Company after the Company publishes an announcement on the exercise of the investors’ sell back option on the 15th working day prior to the end of the third interest-bearing year of the 2024 First Tranche Green Medium-term Note.Issue method: Everbright Securities Company Limited acted as the lead underwriter and China Construction Bank Corporation Shanghai Pudong Development Bank Co. Ltd. and Bank of Ningbo Co. Ltd. acted as the joint lead underwriters for the 2024 First Tranche Green Medium-term Note which was publicly offered on the National Interbank Bond Market through book-building and centralized allocation Use of proceeds: Subject to the terms of the 2024 First Tranche Green Medium-term Note the proceeds from issuance of the 2024 First Tranche Green Medium-term Note will be used for repayment of the Group’s interest-bearing debts replenishment of the Group’s working capital and/or investment in and construction of the Group’s environmental protection projects and for other business development purposes.An announcement in respect of the issuance of the 2024 First Tranche Green Medium-term Note has been published on the websites of China Foreign Exchange Trade System National Interbank Funding Center (中国货币网) (www.chinamoney.com.cn) and Shanghai Clearing House (上海清算所) (www.shclearing.com.cn) respectively.By order of the Board China Everbright Greentech Limited ZHU Fugang Executive Director and Chief Executive Officer Hong Kong 31 May 2024 – 3 –As at the date of this announcement the members of the Board comprise: Mr. HUANG Haiqing (Chairman Non-executive Director) Mr. ZHU Fugang (Chief Executive Officer Executive Director) Mr. WANG Dianer (Vice President Executive Director) Mr. HUANG Chaoxiong (Executive Director) Mr. SONG Jian (Non-executive Director) Ms. MAO Jing (Non-executive Director) Mr. CHOW Siu Lui (Independent Non-executive Director) Prof. YAN Houmin (Independent Non-executive Director) Mr. LI Huaqiang (Independent Non-executive Director) –4–