Uponor Corporation Stock Exchange Release 6 November 2008 Uponor Corporation to initiate share buyback Uponor Corporation's Board of Directors has decided to initiate a share buyback of a maximum of 200,000 of the company's own shares, based on the authorisation given by the Annual General Meeting held on 13 March 2008. Uponor will buy back shares to use them as consideration in connection with the company's share-based incentive schemes. Earlier today, the Board decided on a new incentive programme for a part of the company's international management. In September 2007, a similar scheme was introduced to the company's Executive Committee. Both of them expire at the end of 2011. Shares will be bought back in public trading on the NASDAQ OMX Helsinki stock exchange for the market price quoted at the time of the buyback, as provided by the regulations on public trading of shares. The buyback will not be initiated until one week has elapsed from the public announcement of this Board resolution. The share buyback will reduce the company's unrestricted equity. Uponor Corporation Tarmo Anttila Vice President, Communications Tel. +358 (0)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 plumbing systems. The Group employs 4,200 persons in 27 countries. 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 NASDAQ OMX Helsinki Ltd., Finland. http://www.uponor.com