DISCLOSURE UNDER CHAPTER 2, SECTION 10 OF THE FINNISH SECURITIES MARKETS ACT
TELESTE CORPORATION STOCK EXCHANGE RELEASE 26.2.2009 AT 10:45 DISCLOSURE UNDER CHAPTER 2, SECTION 10 OF THE FINNISH SECURITIES MARKETS ACT Teleste Corporation has received the attached notification from EM Group Oy referring to Chapter 2, Section 9 of the Finnish Securities Markets Act on a change in holdings. TELESTE CORPORATION Jukka Rinnevaara CEO ATTACHMENT: EM Group Oy's notification NOTIFICATION REFERED TO THE FINNISH SECURITIES MARKETS ACT ON A CHANGE OF HOLDINGS The holdings of EM Group Oy have exceeded twenty percent of the share capital and voting rights in Teleste Corporation. We hereby notify the Financial Supervisory Authority and Teleste Corporation of the following: 1. Name of the company in which holdings have been acquired: Teleste Corporation 2. Reason for this notification: Share purchases made on 25th February 2009 3. Date of change in holdings: 25th February 2009 4. Exact proportion of share capital and voting rights in Teleste Corporation: Holdings by EM Group Oy are now as follows: Number of shares 3 617 552 Proportion of share capital and voting rights 20.31694 %. 5. Shareholders complete name and business identity code: EM Group Oy, business identity code 0854884-7 Teleste in brief: Teleste is an international technology group founded in 1954, which is specialized in broadband data communication systems and solutions. The group is divided into two Strategic Business Units: Broadband Cable Networks and Video Networks. Broadband Cable Networks serves cable operators and a major part of its business activities are handled through direct customer contact. Video Networks supplies solutions for optical signal transmission and video network management software solutions for video surveillance and a major part of its business is handled through system integrators. Both Business Units are among the leading providers in their market areas and are globally recognized for their know-how and ability to produce technically cutting edge solutions year after year. In 2008 the group's net sales totalled EUR 109 million and the group employed 677 persons at the year-end. The company has approximately 30 offices world-wide and over 90% of Teleste's net sales are generated outside Finland. The company is listed on the NASDAQ OMX Helsinki Ltd. Visit www.teleste.com for more information. DISTRIBUTION: NASDAQ OMX Helsinki Media www.teleste.com