Column Group Ii SC 13D/A RAPT Therapeutics / COLUMN GROUP II ownership change

EXHIBIT A

Joint Filing Statement

We, the undersigned, hereby express our agreement that the attached Amendment No. 6 to Schedule 13D is filed on behalf of each of us.

Dated: January 13, 2023

THE COLUMN GROUP II, LP		THE COLUMN GROUP II GP, LP
By:	The Column Group II GP, LP	By:	/s/ James Evangelista, Attorney-in-Fact
By:	/s/ James Evangelista, Attorney-in-Fact
PONOI CAPITAL, LP		PONOI MANAGEMENT, LLC
By:	Ponoi Management, LLC	By:	/s/ James Evangelista, Attorney-in-Fact
By:	/s/ James Evangelista, Attorney-in-Fact
PONOI CAPITAL II, LP		PONOI II MANAGEMENT, LLC
By:	Ponoi II Management, LLC	By:	/s/ James Evangelista, Attorney-in-Fact
By:	/s/ James Evangelista, Attorney-in-Fact
THE COLUMN GROUP, LLC
By:	/s/ James Evangelista, Attorney-in-Fact
THE COLUMN GROUP IV, LP		THE COLUMN GROUP IV-A, LP
By:	The Column Group IV GP, LP	By:	The Column Group IV GP, LP
By:	/s/ James Evangelista, Attorney-in-Fact	By:	/s/ James Evangelista, Attorney-in-Fact
THE COLUMN GROUP IV GP, LP		TCG IV GP, LLC
By:	/s/ James Evangelista, Attorney-in-Fact	By:	/s/ James Evangelista, Attorney-in-Fact
By:	/s/ James Evangelista, Attorney-in-Fact on behalf of Peter Svennilson		/s/ James Evangelista, Attorney-in-Fact on behalf of Tim Kutzkey
By:	/s/ James Evangelista, Attorney-in-Fact on behalf of David V. Goeddel