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:    Han`s Laser Technology Co., Ltd.,
Place:   Shenzhen, China
State:   China

Company data:
Name:    PA Power Automation AG
Address: Gottlieb-Daimler-Straße  17/2, 74385 Pleidelsheim
Place:   Pleidelsheim
State:   Deutschland

06.08.2007

HAN`S LASER Technology Co., Ltd., SHENZHEN, China

To:

PA Power Automation AG
Gottlieb-Daimler-Str. 17/2

74385 Pleidelsheim

Notification of voting rights pursuant to Sections 21 and 22
German Securities Trading Act (WpHG)

Dear Mr. Hilpert,

We hereby inform you as follows:

Our voting right share in PA Power Automation AG, 
Gottlieb-Daimler-Str. 17, 74385 Pleidelsheim, Germany, pursuant to 
Section 21 (1) WpHG passed the thresholds of 3 % and 5 % on 
25.07.2007 and now amounts to 9.09 % (166,113 voting rights).

Yours sincerely,

end of announcement                               euro adhoc 06.08.2007 15:10:53

Further inquiry note:

Branche: Technology
ISIN: DE0006924400
WKN: 692440
Index: CDAX
Börsen: Börse Berlin / free trade
Börse Hamburg / free trade
Börse Stuttgart / free trade
Börse Düsseldorf / free trade
Börse München / free trade
Börse Frankfurt / regulated dealing/general standard