Notification of voting rights transmitted by euro adhoc. The issuer is
  responsible for the content of this announcement.

Person/company obliged to make the notification:
Name:    Schroders plc
Place:   London
State:   United Kingdom

Company data:
Name:    Thielert AG
Address: Helbingstraße 64-66, 22047 Hamburg
Place:   Hamburg
State:   Deutschland

24.05.2007

In accordance with § 21 Abs. 1 WpHG we have received on 22 May 2007 
the following announcements from Schroders plc, London/United 
Kingdom:

Schroders plc. is the parent company of Schroder Administration 
Limited, which itself is the parent company of Schroder Investment 
Management Limited. The registered address for all three companies is
London/United Kingdom.

1. The shareholding of Schroders plc. in Thielert AG, Helbingstraße 
64-66, D-22047 Hamburg went above the 10% threshold and amounted to 
10.81% (equivalent to 2,149,786 shares of 19,891,530 total shares) on
17 May 2007. These voting rights are in their entirety attributable 
to Schroders plc. pursuant to sec. 22 para. 1 sent. 1 no. 6 and sent.
2 and 3 WpHG.

2. The shareholding of Schroder Administration Limited in Thielert 
AG, Helbingstraße 64-66, D-22047 Hamburg went above the 10% threshold
and amounted to 10.81% (equivalent to 2,149,786 shares of 19,891,530 
total shares) on 17 May 2007. These voting rights are in their 
entirety attributable to Schroder Administration Limited pursuant to 
sec. 22 para. 1 sent. 1 no. 6 and sent. 2 and 3 WpHG.

3. The shareholding of Schroder Investment Management Ltd. in 
Thielert AG, Helbingstraße 64-66, D-22047 Hamburg went above the 10% 
threshold and amounted to 10.81% (equivalent to 2,149,786 shares of 
19,891,530 total shares) on 17 May 2007. These voting rights are in 
their entirety attributable to Schroder Investment Management Ltd. 
pursuant to sec. 22 para. 1 sent. 1 no. 6 WpHG.

Hamburg, May 2007

Thielert Aktiengesellschaft
Management Board

end of announcement                               euro adhoc 24.05.2007 09:51:23

Further inquiry note:

Branche: Machine Manufacturing
ISIN: DE0006052079
WKN: 605207
Index: SDAX, CDAX, Prime All Share, Classic All Share
Börsen: Frankfurter Wertpapierbörse / official dealing/prime standard
Börse Berlin-Bremen / free trade
Hamburger Wertpapierbörse / free trade
Baden-Württembergische Wertpapierbörse / free trade
Börse Düsseldorf / free trade
Bayerische Börse / free trade