Hualan vaccine: other commitments made by the issuer and other responsible subjects related to the issuer’s issuance and listing

Hualan vaccine: other commitments made by the issuer and other responsible subjects related to the issuer’s issuance and listing Hualan Biological Engineering Inc(002007) vaccine Co., Ltd. (hereinafter referred to as “the issuer”) plans to issue RMB common shares (A shares) for the first time and list on the gem. In order to maintain the independence of the issuer’s business, I am the actual controller of the issuer, It is hereby committed that the business of the issuer is independent of other enterprises under my control, there is no horizontal competition or unfair related party transactions with other enterprises under my control, and I and other enterprises under my control will continue to maintain the business independence of the issuer in the future. It is hereby committed that