YIT CORPORATION STOCK EXCHANGE RELEASE APRIL 30, 2007 10:15 INCREASE IN YIT'S SHARE CAPITAL AS A CONSEQUENCE OF SHARE SUBSCRIPTIONS WITH SHARE OPTIONS From April 2 to April 20, 2007 a total of 19,972 YIT shares were subscribed for on the basis of the Series E share options and a total of 55,616 shares on the basis of the Series F share options. The increase in the share capital as a consequence of these share subscriptions, totalling EUR 477,848, was entered in the Trade Register on April 30, 2007. Departing from prior practices, the subscription price will be used in full to increase the share capital. Following the increase, YIT's share capital is EUR 146,688,843.82 and the number of shares outstanding is 126,852,260. The new shares confer all shareholder rights as from the date of registration, April 30, 2007, and they will be accepted for public trading on Helsinki Stock Exchange together with the existing shares. The objective is that trading in the shares will commence on May 2, 2007. In 2007 YIT Corporation shares can be subscribed for on the basis of Series E and F share options issued in 2004 and Series K and L share options issued in 2006. Max. 135,948 shares can still be subscribed for with Series E share options, max. 225,504 shares with Series F share options, max. 241,800 shares with Series K share options and max. 593,460 shares with Series L share options. The subscription price with the Series E options is EUR 6.80 per share, with the Series F options EUR 6.15 per share and with Series K and L options EUR 20.53 per share. The terms and conditions of the share option programmes as a whole are presented on the company's internet site www.yitgroup.com. YIT Corporation Veikko Myllyperkiö Vice President, Corporate Communications For additional information, contact: Marja Salo, Director of Administration, tel. +358 20 433 2470, marja.salo@yit.fi Jaakko Mäkynen, Vice President, Finance, tel. +358 20 433 2307, jaakko.makynen@yit.fi Distribution: Helsinki Stock Exchange, principal media, www.yitgroup.com