EXHIBIT A

Agreement of Joint Filing

The undersigned hereby agree that a single Schedule 13G (or any amendment thereto) relating to the ordinary shares of Talend S.A. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13G.

Date: February 12, 2019

BALDERTON CAPITAL IV L1 S.À.R.L.
By:	/s/ Christophe Ponticello
Name:	Christophe Ponticello
Title:	Manager
By:	/s/ Simon Henin
Name:	Simon Henin
Title:	Manager
BALDERTON CAPITAL IV L2 S.À.R.L.
By:	/s/ Christophe Ponticello
Name:	Christophe Ponticello
Title:	Manager
By:	/s/ Simon Henin
Name:	Simon Henin
Title:	Manager
BALDERTON CAPITAL IV, L.P.
By: Balderton Capital Partners IV, L.P., Its general partner
By: Balderton Capital General Partner IV, LLC, Its general partner
By:	/s/ Andrew Carre
Name:	Andrew Carre
Title:	Manager
BALDERTON CAPITAL PARTNERS IV, L.P.
By: Balderton Capital General Partner IV, LLC, Its general partner
By:	/s/ Andrew Carre
Name:	Andrew Carre
Title:	Manager

BALDERTON CAPITAL INVESTMENTS LIMITED

By:	/s/ James Nicolle
Name:	James Nicolle
Title:	Director

SURANGA CHANDRATILLAKE

/s/ Suranga Chandratillake

Suranga Chandratillake

JEROME MISSO

/s/ Jerome Misso

Jerome Misso

GARY MAUGER

/s/ Gary Mauger

Gary Mauger

JAMES NICOLLE

/s/ James Nicolle

James Nicolle