Exhibit 99.1

AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of ordinary shares of Talend S.A.

This agreement may be executed in any number of counterparts, each of which shall be deemed an original.

EXECUTED this 15th day of March, 2018.

SILVER LAKE SUMERU FUND CAYMAN, L.P.
By:	SILVER LAKE TECHNOLOGY ASSOCIATES SUMERU CAYMAN, L.P., its general partner
By:	SLTA SUMERU (GP) CAYMAN, L.P., its general partner
By:	SILVER LAKE SUMERU (OFFSHORE) AIV GP, LTD.,
	its general partner
By:	/s/ Karen M. King
	Name: Karen M. King
	Title: Director

SILVER LAKE TECHNOLOGY INVESTORS SUMERU CAYMAN, L.P.
By:	SILVER LAKE TECHNOLOGY ASSOCIATES SUMERU CAYMAN, L.P., its general partner
By:	SLTA SUMERU (GP) CAYMAN, L.P., its general partner
By:	SILVER LAKE SUMERU (OFFSHORE) AIV GP, LTD.,
	its general partner
By:	/s/ Karen M. King
	Name: Karen M. King
	Title: Director

SILVER LAKE TECHNOLOGY ASSOCIATES SUMERU CAYMAN, L.P.
By:	SLTA SUMERU (GP) CAYMAN, L.P., its general partner
By:	SILVER LAKE SUMERU (OFFSHORE) AIV GP, LTD.,
	its general partner
By:	/s/ Karen M. King
	Name: Karen M. King
	Title: Director

SLTA SUMERU (GP) CAYMAN, L.P.
By:	SILVER LAKE SUMERU (OFFSHORE) AIV GP, LTD.,
	its general partner
By:	/s/ Karen M. King
	Name: Karen M. King
	Title: Director

SILVER LAKE SUMERU (OFFSHORE) AIV GP, LTD.
By:	/s/ Karen M. King
	Name: Karen M. King
	Title: Director