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Pöyry assists in the world's longest wastewater tunnel project in Mexico


December 22, 2011 - London

PÖYRY PLC          Press release 22 December 2011

Pöyry's Urban & Mobility business group has been awarded a contract by Mexico's National Water Commission, CONAGUA, to provide technical, administrative and financial advisory services in the Emisor Oriente tunnel project in Mexico City. The value of Pöyry's assignment is EUR 8.5 million and it has been booked in the fourth quarter order stock. Pöyry's services to assure the quality of the tunnel construction started in November. The project is expected to be completed by the end of 2014.

Emisor Oriente tunnel is a part of the new drainage system in Mexico City and it will significantly reduce the risk of flooding in the city and in the surrounding areas. When completed, the 62 km long Emisor Oriente will be the longest wastewater tunnel in the world. It will run maximum 200 m underground and will have a capacity of 150 cubic meters of water per second.

"The rapid population growth in Mexico City has increased the need for water supply and resulted in more groundwater extraction. The water has been pumped from below the city, which has actually caused the city to sink. In the last 100 years, parts of Mexico City have sunk as much as forty-two feet and the city is expending a lot of effort to stop the sinking, which has already caused considerable damage to buildings, roads, and critical infrastructure. In some locations it has caused the sewage lines to become slanted - resulting in the lines running backward. Consequently, the city struggles with flooding during the rainy season. The new tunnel will improve the safety and well-being of the inhabitants", says Thierry Dugay, President of Latin America & Spain in Pöyry's Urban & Mobility business group.

Pöyry has worked in the Emisor Oriente project since May 2010, providing technical consultancy services during construction. With this new assignment, Pöyry reinforces its position as a leading expert in tunnel supervision.

PÖYRY PLC

Additional information:
Thierry Dugay, President, Business Area Latin America & Spain, Urban & Mobility Business Group, Spain
Tel. +34 91 534 13 95
Andy Goodwin, President, Urban & Mobility Business Group, Switzerland
Tel. +41 44 355 5555

Pöyry is a global consulting and engineering company dedicated to balanced sustainability and responsible business. With quality and integrity at our core, we deliver best-in-class management consulting, total solutions, and design and supervision. Our in-depth expertise extends to the fields of energy, industry, urban & mobility and water & environment. Pöyry has 7,000 experts and a local office network in about 50 countries. Pöyry's net sales in 2010 were EUR 682 million and the company's shares are quoted on NASDAQ OMX Helsinki. (Pöyry PLC: POY1V).

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Source: Pöyry Oyj via Thomson Reuters ONE

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