Exhibit 99.1

AGREEMENT OF JOINT FILING

The undersigned hereby agree that a single Schedule 13G (or any amendment thereto) relating to the Class A Ordinary Shares of Burning Rock Biotech Limited shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13G.

Dated: February 13, 2024
	LAV BIOSCIENCES FUND V SUB A, L.P
	By:	/s/ Yi Shi
	Name:	Yi Shi
	Title:	Managing Partner
	LAV BIOSCIENCES FUND V, L.P.
	By:	/s/ Yi Shi
	Name:	Yi Shi
	Title:	Managing Partner
	LAV STAR LIMITED
	By:	/s/ Yi Shi
	Name:	Yi Shi
	Title:	Managing Partner
	LAV STAR OPPORTUNITIES LIMITED
	By:	/s/ Yi Shi
	Name:	Yi Shi
	Title:	Managing Partner
	YI SHI
	By:	/s/ Yi Shi
	Name:	Yi Shi