EXHIBIT A

JOINT FILING STATEMENT

We, the undersigned, hereby express our agreement that the attached Schedule 13G (or any amendments thereto) relating to the Common Stock of Conatus Pharmaceuticals Inc. is filed on behalf of each of us.

Dated: February 13, 2017

/s/ Paul H. Klingenstein
Paul H. Klingenstein
ABERDARE VENTURES III, L.P.
By its General Partner, Aberdare GP III, L.L.C.
By:	/s/ Paul H. Klingenstein
	Paul H. Klingenstein
	Manager
ABERDARE PARTNERS III, L.P.
By its General Partner, Aberdare GP III, L.L.C.
By:	/s/ Paul H. Klingenstein
	Paul H. Klingenstein
	Manager
ABERDARE GP III, L.L.C.
By:	/s/ Paul H. Klingenstein
	Paul H. Klingenstein
	Manager

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