Securities code: Shenzhen Changfang Group Co.Ltd(300301) securities abbreviation: Shenzhen Changfang Group Co.Ltd(300301) Announcement No.: 2022034 Shenzhen Changfang Group Co.Ltd(300301) supplementary announcement on the signing of accounts receivable guarantee agreement by shareholders holding more than 5% and their persons acting in concert Shenzhen Changfang Group Co.Ltd(300301) (hereinafter referred to as “the company”) and Shenzhen Changfang Group Co.Ltd(300301) kangmingsheng (Shenzhen) Technology Co., Ltd Li dichu, the shareholder holding more than 5% of the company’s shares, and Nie Wei, the person acting in concert, signed the accounts receivable guarantee agreement on December 31, 2019 and December 31, 2020 respectively. Now the relevant contents are supplemented and announced as follows: I Main contents of the agreement: Party A: (hereinafter referred to as Party A 1 and Party A 2 collectively referred to as “party a”) Party A 1: Li dichu Party A 2: Nie Wei Party B: Shenzhen Changfang Group Co.Ltd(300301) kangmingsheng (Shenzhen) Technology Co., Ltd. Party C: Shenzhen Changfang Group Co.Ltd(300301) whereas: 1. Party A is the general manager and legal representative of Party B, and Party A is the actual operator of Party B; Party B is the holding subsidiary of Party C; 2. As of December 31, 2019 / December 31, 2020, Party B still has a large amount of accounts receivable to be collected. On the premise of equality, voluntariness and friendly negotiation, the parties reach the following: (I) accounts receivable accounts receivable refer to the accounts receivable that have not been received by all customers of Party B by December 31, 2019 / 2020. The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions. (II) commitment of Party A 1. In the accounts receivable guarantee agreement signed on December 31, 2019, Party A actively controls the above accounts receivable and promises that the total amount of collection will not be less than 90%. If the above accounts receivable cannot be recovered due to Party A’s intentional or gross negligence or other reasons, Party A and Party A can be held jointly and severally liable for the unrecovered part. However, if the accounts receivable within the above scope are subsequently recovered, the recovered part shall be returned to Party A accordingly. 2. In the accounts receivable guarantee agreement signed on December 31, 2020, Party A ensures the authenticity of the above accounts receivable, actively controls the above accounts receivable, and promises that the total amount of the above accounts receivable will not be less than 90% during his tenure or after his resignation. If the above accounts receivable cannot be recovered due to Party A’s intentional or gross negligence or other reasons, Party A I and Party A II can be held jointly and severally liable for the unrecovered part. However, if the accounts receivable within the above scope are subsequently recovered, the recovered part shall be returned to Party A accordingly. (III) if Party B is unable to recover the accounts receivable due to force majeure, such as epidemic, war, etc., Party A shall be exempted from the responsibility for the part not recovered. 2、 Other notes: due to the negligence of the staff, the company did not disclose the above two accounts receivable guarantee agreements in time, and sincerely apologize for the inconvenience caused to the majority of investors! Please understand. The company will strengthen the management of information disclosure in the future to avoid similar things happening again. It is hereby announced Shenzhen Changfang Group Co.Ltd(300301) board of directors April 29, 2022