• The beginning of the works, to be held in Ciudad de la Costa, are scheduled for the second half of 2015.

August 31, 2015- Abengoa (MCE: ABG.B/P SM /NASDAQ: ABGB), the international company that applies innovative technology solutions for sustainability in the energy and environment sectors, has been awarded the realization of new sanitation works in Ciudad de la Costa, Uruguay, for the state company OSE (Obras Sanitarias del Estado), responsible for drinking water supply and sanitation services in the country's hinterland.

Abengoa will be responsible for the execution of the works, the supply of material and equipment necessary for the full execution of the works and other services necessary for the construction of sanitation system in the so-called B3 area, of about 244 hectares, in Ciudad de la Costa. This involves the execution of 40.5 km of sewerage, including household connections and two pumping systems.

The execution deadline is 24 months, and works are expected to start in the second semester of 2015. The project's investment exceeds $13 million.

This project contributes to OSE's goal for environmental improvement in Ciudad de la Costa, giving people better conditions in the sanitation coverage service. Currently, 80 % of the urbanized area lacks these services and the current system is based on the use of watertight wells that are unloaded with barometric trucks and then the effluents are transferred to a treatment plant.

The implementation of this project reaffirms Abengoa's leadership in Uruguay, where it has been participating for 35 years in major projects in the country. The experience that the company has in the execution of large civil infrastructure water, energy and industry projects stands out. In particular, in the hydraulic area, Abengoa has executed projects involving more than 1,200 km of pipelines and 25 treatment plants across the country, among which stand out the Sixth Pumping Line and the remodeling of the Aguas Corrientes plant.

About Abengoa

Abengoa (MCE: ABG.B/P SM /NASDAQ: ABGB) applies innovative technology solutions for sustainability in the energy and environment sectors, generating electricity from renewable resources, converting biomass into biofuels and producing drinking water from sea water. (www.abengoa.com)

Communication Department:

Patricia Malo de Molina Meléndez.

Tel. +34 954 93 71 11

E-mail: communication@abengoa.com

Investor relations

Ignacio García Alvear.

Tel. +34 954 937 111

E-mail: ir@abengoa.com

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