Uponor Corporation Stock exchange release 22 April 2009 Uponor announces pro forma 2008 figures for the new segments Effective 1 January 2009, Uponor applies three segments which are defined based on geographic regions and businesses, in accordance with the new Group structure published on 1 September 2008. The reporting segments are thus: - Building Solutions - Europe - Building Solutions - North America - Infrastructure Solutions - Nordic. From 1 January 2009 onwards, Uponor applies the Operating segments according to the IFRS 8 standard. The 2008 pro forma figures have been calculated based on these new standards. The new IFRS principles and the quarterly pro forma 2008 figures based on the new segments are available for browsing and for download at the company's website at www.uponor.com > Investors. The pro forma figures have not been audited. Tarmo Anttila Vice President, Communications Tel + 358 20 129 2852 DISTRIBUTION: NASDAQ OMX 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 indoor climate and tap water systems. The Group employs ca 3,800 persons in 27 countries. In 2008, Uponor's net sales totalled 950 million euros. Uponor Corporation is listed on the NASDAQ OMX Helsinki Ltd., Finland. http://www.uponor.com