Stock Exchange release 13 August 2008 9.00 am Uponor's CEO Jan Lång resigns, search for a new CEO started Uponor Corporation's President and CEO Jan Lång has announced his resignation in order to assume a position in another publicly listed company. Lång will continue in his current role until late autumn. The Uponor Board will initiate a recruitment process for his successor immediately. Lång joined Uponor in June 2003 and started as CEO on 1 August 2003. During this time, Uponor has continued on a path from a versatile conglomerate to a specialist in pipe systems and housing solutions. The past five years have seen Uponor evolve from a decentralised group of companies to a unified company that operates under one brand. For further information, please contact: Jari Paasikivi, Chairman of the Board, Tel. +358 (0)500 530 375 Tarmo Anttila Vice President, Communications Tel. +358 (0)20 129 2852 DISTRIBUTION OMX Nordic Exchange - Helsinki Media www.uponor.com Uponor is a leading supplier of plumbing and heating systems for the residential and commercial building markets across Europe and North America, and a market leader in municipal infrastructure pipe systems in the Nordic countries. Uponor's key applications include floor heating and plumbing systems. The Group employs 4,250* persons globally. In 2007, Uponor's net sales (pro forma*) totalled 1,050 million euros, returning an operating profit of 12.9*%. Uponor Corporation is listed on the OMX Nordic Exchange in Helsinki, Finland. Http://www.uponor.com. *) Does not include the Infrastructure business in the UK and Ireland divested in June.