ANNOUNCEMENT IN ACCORDANCE WITH SECTION 10 OF CHAPTER 2 OF THE FINNISH SECURITIES MARKET ACT

TELESTE CORPORATION STOCK EXCHANGE RELEASE 5.8.2008 KLO 13:30

ANNOUNCEMENT IN ACCORDANCE WITH SECTION 10 OF CHAPTER 2 OF THE FINNISH
SECURITIES MARKET ACT

In accordance with the Securities Market Act Section 9 Chapter 2, Schroder
Investment Management Limited has notified Teleste Corporation on August 4th
2008 as follows:

As a result of share transactions concluded on 22 July 2008, the holdings of
Schroder Investment Management Limited on behalf of its clients has decreased
below 5%, now representing 4.96% of the share capital and 4.42% of the voting
rights of Teleste Corporation.

Holdings by Schroder Investment Management Limited on behalf of its clients are
now as follows:

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| Number of shares/votes | Proportion of share | Proportion of voting |
| | capital | rights |
--------------------------------------------------------------------------------
| 875,518 | 4.96% | 4.96% |
--------------------------------------------------------------------------------
| 780,374 | 4.42% | 4.42% |
--------------------------------------------------------------------------------

Differences in share capital and voting right figures are due to fact that some
clients retain their right to vote.

The breakdown of holdings by client name is given below:

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| Client | No.of ord. | Proportion of | Proportion of |
| | shares held | share capital | voting rights |
--------------------------------------------------------------------------------
| ING | 15765 | .09% | 0.09% |
--------------------------------------------------------------------------------
| Schroder European Smaller | 136421 | .77% | 0.77% |
| Companies Fund | | | |
--------------------------------------------------------------------------------
| Schroder Inst.Euro Smaller | 6948 | .04% | 0.04% |
| Cos Fd | | | |
--------------------------------------------------------------------------------
| S.I.S.F.European Smaller | 611524 | 3.46% | 3.46% |
| Companies | | | |
--------------------------------------------------------------------------------
| S.I.S.F.Global Smaller | 8054 | .05% | 0.05% |
| Companies | | | |
--------------------------------------------------------------------------------
| State of Connecticut | 1662 | .01% | 0.01% |
--------------------------------------------------------------------------------
| Vanguard International | 95144 | .54% | 0.00% |
| Explorer International | | | |
| Equities | | | |
--------------------------------------------------------------------------------
| TOTAL | 875518 | 4.96% | 4.42% |
--------------------------------------------------------------------------------

TELESTE CORPORATION

Jukka Rinnevaara
CEO

DISTRIBUTION:
OMX Nordic Exchange Helsinki
Media
www.teleste.com