Name

Background

Ownership

Yubo International Biotech Limited (“Yubo New York”)

· A holding company

· Incorporated in New York

Platinum International Biotech Co. LTD (“Platinum”)

· A Cayman Island company

· Incorporated on April 7, 2020

· A holding company

100% owned by Yubo New York

Platinum International Biotech (Hong Kong) Limited. (“Platinum HK”)

· A Hong Kong company

· Incorporated on May 4, 2020

· A holding company

100% owned by Platinum

Yubo International Biotech (Chengdu) Limited (“Yubo Chengdu”)

· A PRC company and deemed a wholly foreign owned enterprise

· Incorporated on September 4, 2020

· Subscribed capital of $1,500,000

· A holding company

100% owned by Platinum HK

Yubo International Biotech (Beijing) Limited (“Yubo Beijing”)

· A PRC limited liability company

· Incorporated on June 14, 2016

· Subscribed capital of $1,454,038 (RMB 10,000,000)

· Stem cell storage and bank

VIE of Yubo Chengdu WFOE

Yubo Jingzhi Biotechnology (ChengDu) Co. Ltd. (“Yubo Jingzhi”)

· A PRC company incorporated on January 21, 2021

73% owned by Yubo Beijing

Yubo Global Biotechnology (Chengdu) Co. Ltd (“Yubo Global”)

· A PRC company incorporated on December 20, 2020

100% owned by Platinum HK

Phoenix Club Bio-Medical Technology (Chengdu) Co., LTD (“Yubo Phoenix”)

· A PRC company incorporated on April 12, 2021.

100% owned by Yubo Beijing

EpiAis Biomedical Engineering Co., Ltd. (“Yubo Shenzhen”)

· A PRC company incorporated on January 26, 2024

70% owned by Yubo Beijing