EXHIBIT C JOINT FILING AGREEMENT

EXHIBIT C

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Common Stock of Janux Therapeutics, Inc. and further agree that this agreement be included as an exhibit to such filing. Each party to the agreement expressly authorizes each other party to file on its behalf any and all amendments to such statement. Each party to this agreement agrees that this joint filing agreement may be signed in counterparts.

In evidence whereof, the undersigned have caused this Agreement to be executed on their behalf this 15^th day of November, 2023.

AVALON VENTURES XI, L.P.						AVALON BIOVENTURES SPV I, L.P.
By:		/s/ Xxxxx Xxxxxxx				By:		/s/ Xxxxx Xxxxxxx
		Name: Xxxxx Xxxxxxx						Name: Xxxxx Xxxxxxx
		Title:   Authorized Signer						Title:   Authorized Signer
AVALON VENTURES XI GP LLC						ABV SPV I GP LLC
By:		/s/ Xxxxx Xxxxxxx				By:		/s/ Xxxxx Xxxxxxx
		Name: Xxxxx Xxxxxxx						Name: Xxxxx Xxxxxxx
		Title:   Authorized Signer						Title:   Authorized Signer
AVALON BIOVENTURES I LP						AVALON BIOVENTURES GP, LLC
By:		/s/ Xxxxx Xxxxxxx				By:		/s/ Xxxxx Xxxxxxx
		Name: Xxxxx Xxxxxxx						Name: Xxxxx Xxxxxxx
		Title:   Authorized Signer						Title:   Authorized Signer
/s/ Xxxxx Xxxxxxxx						/s/ Xxxxxxx Xxxxxxxx
XXXXX XXXXXXXX						XXXXXXX XXXXXXXX
/s/ Xxxxxx Xxxxxxxx						/s/ Xxx Xxxxxxx
XXXXXX XXXXXXXX						XXX XXXXXXX, PH.D.
/s/ Xxxxx Xxxxxxx						/s/ Xxxxxx X. Xxxxx
XXXXX XXXXXXX						XXXXXX X. XXXXX
/s/ Xxxxxxx X. Xxxxxxx
XXXXXXX X. XXXXXXX, PH.D.