China Suntien Green Energy Corporation Limited Board announced that in order to meet the requirements of the government of Hebei Province in natural gas contingency reserve targets, to fully demonstrate the important role of the Group for natural gas allocation and supply in Hebei Province, and to fully utilize the established peak-shaving facilities such as the LNG terminals, the Company entered into the Framework Agreement with two connected subsidiaries, Hebei Gas and Caofeidian Company, pursuant to which the Group will supply natural gas to Hebei Gas, and Caofeidian Company and/or other subsidiaries of the Company will provide the Natural Gas Related Services to Hebei Gas for a term commencing from the signing date of the Framework Agreement to 31 December 2025. Terms of the Framework Agreement: From the signing date of the framework Agreement to 31 December 2025. Scope of the services: Caofeidian Company and other subsidiaries of the Group will supply the natural gas and provide the Natural Gas Related Services To Hebei Gas in accordance with the Framework Agreement, including: Natural Gas Supply: The Group will supply natural gas to Hebei Gas in accordance with the LNG procurement demand of Hebei Gas; Tank Storage Services: Caofeidian Company will provide the Tank Storage Services for the LNG procured by Hebei Gas, and carry out daily maintenance and overhaul of those natural gas tanks to ensure the safe storage and utilization of natural gas; Terminal Utilization Services: Caofeidian Company will provide the services of LNG loading and discharging, gasification transmission, and liquid transmission in accordance with the demand of Hebei Gas; and Pipeline Transmission Services: Caofeidian Company and other subsidiaries of the Group will provide the Pipeline Transmission Services in accordance with the demand of Hebei Gas.

Fees and pricing basis: Natural Gas Supply: Hebei Gas will procure LNG resources from the Group as contingency reserve gas in accordance with the plan of contingency reserve gas of Hebei Province, and the price is determined with reference to the spot CIF price of LNG in Northeast Asia in the same period. For reference purpose, the average spot CIF price of LNG in Northeast Asia in December was USD 17.10 per million British thermal unit (MMBtu) (the price calculation period is from 16 October to 15 November 2023). However, the LNG spot prices fluctuate with seasonal and international market supply and demand conditions, and historical prices are not indicative of future prices.

Tank Storage Services: The fees of the Tank Storage Services will be charged with reference to the fees of gas storage capacity from related gas enterprises in other provinces in combination with the actual construction and operation costs of storage tanks of Caofeidian Company. For reference purpose, to the knowledge of the Company, the fees of gas storage capacity for related gas enterprises in other provinces are approximately between RMB 0.5 and RMB 1 per cubic metre per year. Terminal Utilization Services: The LNG terminal service fee to be charged by Caofeidian Company shall not be higher than the price (tax inclusive) approved by the competent pricing authorities.

If the government reapproves the LNG terminal service fee, the price will be adjusted accordingly based on the price approved by the government. The price shall not be higher than the one offered by Caofeidian Company to other LNG terminal users under the same conditions.