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 any amendments thereto) relating to the ordinary shares, nominal value $0.10 per share, of Atlantica Yield plc and further agree that this agreement be included as an exhibit to such Schedule 13D. Each of the undersigned expressly authorizes each other party to file on its behalf any and all amendments to such Schedule 13D. Each of the undersigned agrees that this Joint Filing Agreement may be signed in counterparts.

Dated: April 5, 2014.

[Signature pages follow]

STICHTING SEVILLE
By:	/s/ B. van Dijk
	Name: B. van Dijk
	Title: Proxyholder B
By:	/s/ Helsloot-van Riemsdijk
	Name: C.Helsloot-van Riemsdijk
	Title: Proxyholder A

ACIL LUXCO1 S.A.
By:	/s/ J. A. Mees
	Name: J. A. Mees
	Title: Director
By:	/s/ R. van 't Hoeft
	Name: R. van 't Hoeft
	Title: Director

ABG ORPHAN HOLDCO S.À R.L
By:	/s/ Jerôme Bellini
	Name: Jerôme Bellini
	Title: B Manager
By:	/s/ Virginie Deconinck
	Name: Virginie Deconinck
	Title: A Manager