Common use of Pricing Policy Clause in Contracts

Pricing Policy. The construction service fee was determined by the Company and Luzhou Aviation Development in accordance with the pricing standard set out in the Company’s internal pricing document (Lu Shui Gu Fen [2022] No. 57) which was made based on the documents published by the governmental authorities from time to time, including but not limited to the Notice on Cleaning Up and Standardizing the Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting the High- Quality Development of the Industries (Guobanhan [2020] No. 129) (關於清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展意見的通知（國辦函[2020]129號）) issued by General Office of the State Council of the People’s Republic of China (國務院辦公廳), the Notice of the Implementation Plan of Sichuan Province on Cleaning Up and Standardizing Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting High-Quality Development of the Industry (Chuanfagaijiage [2021] No. 354)(四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354號）) issued by Sichuan Province Development and Reform Commission (四川省發展和改革委員會), the Notice on Forwarding Relaxation of the Price Control of Installation, Inspection and Repairment for Utilities Projects (Chuanfagaijiage [2016] No. 71) (關於轉發放開水電氣工程安裝及檢查維修價格的通知（川發改價格[2016]71號）) issued by Luzhou City Development and Reform Commission (瀘州市發展和改革委員會), and the Sichuan Province Quota of Project Quantities Detailed Pricing List for Engineering Construction (2020 version) (四川省建設工程工程量清單計價定額(2020年版)) issued by Sichuan Province Housing and Urban-Rural Development Department(四川省住房和城鄉建設廳) with their respective ancillary documents or applicable revised versions. The governmental and Company’s pricing standards provide pre- determined mechanism for calculation of construction service fees detailing the fees to be charged for each category of service and the applicable formula for calculation of fees in different scenarios under each category. While determining the construction service fee under the Luzhou Aviation Development Construction Service Agreement, the Company and Luzhou Aviation Development calculated in accordance with the pre-determined formulae based on the actual construction area of the project, the specific number of the users, the types of the construction materials and their respective market prices, and in ordinary and usual course of business and on normal commercial terms, and such terms and conditions were negotiated on an arm’s length basis and are not more favorable than those offered by the Group to Independent Third Parties.

Pricing Policy. The construction service fee was determined by the Company and Luzhou Aviation Development Lingang Investment Group in accordance with the pricing standard set out in the Company’s internal pricing document (Lu Shui Gu Fen [2022] No. 57) which was made based on the documents published by the governmental authorities from time to time, including but not limited to the Notice on Cleaning Up and Standardizing the Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting the High- High-Quality Development of the Industries (Guobanhan [2020] No. 129) (關於清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展意見的通知（國辦函[2020]129號）) issued by General Office of the State Council of the People’s Republic of China (國務院辦公廳), the Notice of the Implementation Plan of Sichuan Province on Cleaning Up and Standardizing Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting High-High- Quality Development of the Industry (Chuanfagaijiage [2021] No. 354)(四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354號354)( 四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354 號）) issued i ssued by Sichuan Province Development and Reform Commission (四川省發展和改革委員會), the Notice on Forwarding Relaxation of the Price Control of Installation, Inspection and Repairment for Utilities Projects (Chuanfagaijiage [2016] No. 71) (關於轉發放開水電氣工程安裝及檢查維修價格的通知（川發改價格[2016]71號）) issued by Luzhou City Development and Reform Commission (瀘州市發展和改革委員會), and the Sichuan Province Quota of Project Quantities Detailed Pricing List for Engineering Construction (2020 version) (四川省建設工程工程量清單計價定額(2020年版)) issued by Sichuan Province Housing and Urban-Urban- Rural Development Department(四川省住房和城鄉建設廳Department (四川省住房和城鄉建設廳) with their respective ancillary documents or applicable revised versions. The governmental and Company’s pricing standards provide pre- determined mechanism for calculation of construction service fees detailing the fees to be charged for each category of service and the applicable formula for calculation of fees in different scenarios under each category. While determining the construction service fee under the Luzhou Aviation Development Lingang Investment Group Construction Service Agreement, the Company and Luzhou Aviation Development Lingang Investment Group calculated in accordance with the pre-determined formulae based on the actual construction area of the project, the specific number of the users, the types of the construction materials and their respective market prices, and in ordinary and usual course of business and on normal commercial terms, and such terms and conditions were negotiated on an arm’s length basis and are not more favorable than those offered by the Group to Independent Third Parties.

Pricing Policy. The construction service fee was determined by the Company and Luzhou Aviation Development Lingang Investment Group in accordance with the pricing standard set out in the Company’s internal pricing document (Lu Shui Gu Fen [2022] No. 57142) which was made based on the documents published by the governmental authorities from time to time, including but not limited to the Notice on Cleaning Up and Standardizing the Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting the High- Quality Development of the Industries (Guobanhan [2020] No. 129) (關於清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展意見的通知（國辦函[2020]129號）) issued by General Office of the State Council of the People’s Republic of China (國務院辦公廳), the Notice of the Implementation Plan of Sichuan Province on Cleaning Up and Standardizing Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting High-High Quality Development of the Industry (Chuanfagaijiage [2021] No. 354)(四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354號354) (四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354號）) issued by Sichuan Province Development and Reform Commission (四川省發展和改革委員會), the Notice on Forwarding Relaxation of the Price Control of Installation, Inspection and Repairment for Utilities Projects (Chuanfagaijiage [2016] No. 71) (關於轉發放開水電氣工程安裝及檢查維修價格的通知（川發改價格[2016]71號）) issued by Luzhou City Development and Reform Commission (瀘州市發展和改革委員會), and the Sichuan Province Quota of Project Quantities Detailed Pricing List for Engineering Construction (2020 version) (四川省建設工程工程量清單計價定額(2020年版)四川省建設工程工程量清單計價定額 (2020年版）) issued by Sichuan Province Housing and Urban-Urban Rural Development Department(四川省住房和城鄉建設廳Department (四川省住房和城鄉建設廳) with their respective ancillary documents or applicable revised versions. The governmental and Company’s pricing standards provide pre- determined mechanism for calculation of construction service fees detailing the fees to be charged for each category of service and the applicable formula for calculation of fees in different scenarios under each category. While determining the construction service fee under the Luzhou Aviation Development Water Supply Pipelines Installation and Construction Service Agreement, the Company and Luzhou Aviation Development Lingang Investment Group calculated in accordance with the pre-pre- determined formulae based on the actual construction area of the project, the specific number of the users, the types of the construction materials and their respective market prices, and in ordinary and usual course of business and on normal commercial terms, and such terms and conditions were negotiated on an arm’s length basis and are not more favorable than those offered by the Group to Independent Third Parties.

Pricing Policy. The construction service fee was determined by the Company and Luzhou Aviation Lingang Industrial Development in accordance with the pricing standard set out in the Company’s internal pricing document (Lu Shui Gu Fen [2022] No. 57) which was made based on the documents published by the governmental authorities from time to time, including but not limited to the Notice on Cleaning Up and Standardizing the Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting the High- High-Quality Development of the Industries (Guobanhan [2020] No. 129) (關於清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展意見的通知（國辦函[2020]129號）) issued by General Office of the State Council of the People’s Republic of China (國務院辦公廳), the Notice of the Implementation Plan of Sichuan Province on Cleaning Up and Standardizing Charges for Urban Water Supply, Power Supply, Gas Supply and Heating Industry and Promoting High-High- Quality Development of the Industry (Chuanfagaijiage [2021] No. 354)(四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354號354)( 四川省清理規範城鎮供水供電供氣供暖行業收費促進行業高質量發展實施方案的通知（川發改價格[2021]354 號）) issued i ssued by Sichuan Province Development and Reform Commission (四川省發展和改革委員會), the Notice on Forwarding Relaxation of the Price Control of Installation, Inspection and Repairment for Utilities Projects (Chuanfagaijiage [2016] No. 71) (關於轉發放開水電氣工程安裝及檢查維修價格的通知（川發改價格[2016]71號）) issued by Luzhou City Development and Reform Commission (瀘州市發展和改革委員會), and the Sichuan Province Quota of Project Quantities Detailed Pricing List for Engineering Construction (2020 version) (四川省建設工程工程量清單計價定額(2020年版)) issued by Sichuan Province Housing and Urban-Urban- Rural Development Department(四川省住房和城鄉建設廳Department (四川省住房和城鄉建設廳) with their respective ancillary documents or applicable revised versions. The governmental and Company’s pricing standards provide pre- determined mechanism for calculation of construction service fees detailing the fees to be charged for each category of service and the applicable formula for calculation of fees in different scenarios under each category. While determining the construction service fee under the Luzhou Aviation Lingang Industrial Development Construction Service Agreement, the Company and Luzhou Aviation Lingang Industrial Development calculated in accordance with the pre-determined formulae based on the actual construction area of the project, the specific number of the users, the types of the construction materials and their respective market prices, and in ordinary and usual course of business and on normal commercial terms, and such terms and conditions were negotiated on an arm’s length basis and are not more favorable than those offered by the Group to Independent Third Parties.