Name of Company

Place of
Incorporation

Date of
Incorporation

Percentage of
Ownership

Principal Activities

Zai Lab (Hong Kong) Limited

Hong Kong

April 29, 2013

100%

Operating company for business development and R&D activities and commercialization of innovative medicines and device

Zai Lab (Shanghai) Co., Ltd.

Mainland
China

January 6, 2014

100%

Development and commercialization of innovative medicines and devices

Zai Lab (AUST) Pty. Ltd.

Australia

December 10, 2014

100%

Clinical trial activities

Zai Lab (Suzhou) Co., Ltd.

Mainland
China

November 30, 2015

100%

Development and commercialization of innovative medicines

Zai Biopharmaceutical (Suzhou) Co., Ltd.

Mainland
China

June 15, 2017

100%

Development and commercialization of innovative medicines

Zai Lab (US) LLC

United
States

April 21, 2017

100%

Operating company for business development, R&D activities and certain business activities, including legal, compliance and communication functions of the Company

Zai Lab International Trading (Shanghai) Co., Ltd.

Mainland
China

November 6, 2019

100%

Commercialization of innovative medicines and devices

Zai Auto Immune (Hong Kong) Limited

Hong Kong

November 4, 2020

100%

Operating company for business development and R&D activities

Zai Lab (Taiwan) Limited

Taiwan

December 10, 2020

100%

Commercialization of innovative medicines and devices

Zai Lab Trading (Suzhou) Co., Ltd.

Mainland
China

October 27, 2020

100%

Commercialization of innovative medicines