TELESTE CORPORATION STOCK EXCHANGE RELEASE 10.3.2008 AT 10:30 SHARES SUBSCRIBED WITH TELESTE 2002B STOCK OPTIONS A total of 3,900 shares in Teleste Corporation have been subscribed for with the stock options 2002B after the increase of shares registered on 21 December 2007. In accordance with the Terms and Conditions, the share subscription price with the stock options 2002B stock options is EUR 2.09/share. The share subscription period with the stock options 2002B commenced in February 2006. The stock option program was approved by the Annual General Meeting on 8 April 2002. These shares, 3,900 in total, have been entered into the Trade Register on 10 March 2008. As a result of the share subscriptions, the number of shares was increased by a total of 3,900 new shares. The share subscription price will be recorded under the invested non-restricted equity fund. After the increase of 3,900 shares registered on 10 March 2008, the number of Teleste shares is 17,675,205. The shares have no nominal value. The holders of the new shares are entitled to all shareholder rights from the registration date, i.e. 10 March 2008. Listing of the new shares will be applied for on the OMX Nordic Exchange Helsinki Oy together with the old shares beginning 11 March 2008. 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 2007 the group's net sales totalled EUR 125.1 million and the group employed 672 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 OMX Nordic Exchange Helsinki. Visit www.teleste.com for more information. TELESTE CORPORATION Jukka Rinnevaara CEO ADDITIONAL INFORMATION: CFO Erja Saarikoski tel. +358 2 2605 685 or +358 40 550 9677 DISTRIBUTION: OMX Nordic Exchange Helsinki Media www.teleste.com