13D Filing: Billionaire Lei Zhang’s Hillhouse Capital Management Reports Stake in Beigene, Ltd. (BGNE)

This Schedule 13D is filed by Hillhouse Capital Management,
Ltd., an exempted Cayman Islands company (“Hillhouse Capital” or the “Reporting
Person“). Hillhouse Capital acts as the sole general partner of YHG Investment, L.P.
(“YHG“) and the sole management company of Gaoling Fund, L.P. (“Gaoling“) and
Hillhouse Fund II, L.P. (“Fund II“). Fund II owns BGN Holdings Limited (“BGN” and
together with Gaoling and YHG, the “Hillhouse Entities“). Hillhouse Capital is hereby deemed to be
the sole beneficial owner of, and to control the voting power of, the Ordinary Shares and ADSs representing Ordinary
Shares held by the Hillhouse Entities.

The principal business of Hillhouse Capital is investment management
and its business address is Cayman Corporate Centre, 3rd Floor, 18 Fort Street, George Town, Grand Cayman. The directors of Hillhouse Capital are
Jun Shen and Colm O’Connell. Mr. Shen and Mr. O’Connell are employees of Hillhouse Capital and Mr. Lei Zhang (“Mr. Zhang“)
is the President and Chief Investment Officer of Hillhouse Capital.

During the past five years neither the Reporting Person nor, to
the best knowledge of the Reporting Person, any of its directors or executive officers has been (i) convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors) or (ii) a party to a civil proceeding of a judicial or administrative body
of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to United States federal or state securities laws or finding any
violation with respect to such laws.

The filing of this statement should not be construed as an admission
that the Reporting Person is, for the purposes of Section 13 of the Act, the beneficial owner of the Ordinary Shares reported herein.