(1) Priority placement to the original shareholders of the issuer: the base date announced in this announcement (T- 1 on February 23rd, 2022) is all registered shareholders of the issuer. (2) Online issuance: natural persons, legal persons, securities investment funds and other investors who meet the legal requirements. (except those prohibited by national laws and regulations). (3) The self-operated account of the joint lead underwriter of this issuance shall not participate in this subscription.