Notification pursuant to chapter 2, section 10 of the securities markets

Notification pursuant to chapter 2, section 10 of the securities markets act on a change of holdings According to information received by TietoEnator Corporation, on 1 March 2001 Sonera Corporation sold all the 15,596,455 TietoEnator Corporation shares held by the company and its subsidiary Sonera Sverige AB through investment brokers Enskilda Securities and UBS Warburg. As a result of this share disposal the number of TietoEnator Corporation shares and votes held by Sonera Corporation and its subsidiaries has decreased to zero. Pursuant to Chapter 2, Section 10 of the Securities Markets Act we provide the following information: 1. Name of company in which holdings have been sold TietoEnator Corporation, Trade Register Number 191.751 2. Date of change in holdings 1 March 2001 3. Exact propotion of voting rights and share capital in TietoEnator Corporation Holdings of Sonera Corporation and Sonera Sverige AB: Before sale of After sales of shares shares Shares and Shares and Shareholder votes % vote % s Sonera 14,400,000 17.17 0 0 Corporation Sonera 1,196,455 1.43 0 0 Sverige AB Total 15,596,455 18.60 0 0 TietoEnator Corporation's share capital is divided between 83,855,221 shares. Each share carries one vote. 4 Shareholder´s complete name, trade register number Sonera Corporation, Trade Register Number 740.009, Helsinki and Sonera Sverige AB, Trade Register Number 556476-3133, Kista, Sweden. Espoo, 2 March 2001 TIETOENATOR CORPORATION DISTRIBUTION Helsinki Exchanges Stockholm Stock Exchange Principal Media ------------------------------------------------------------ This information was brought to you by BIT http://www.bit.se The following files are available for download: http://www.bit.se/bitonline/2001/03/02/20010302BIT00440/bit0002.doc http://www.bit.se/bitonline/2001/03/02/20010302BIT00440/bit0002.pdf