Frankfurt (euro adhoc) -

  Notification concerning transactions by persons discharging managerial
  responsibilities pursuant to section 15a of the WpHG, transmitted by euro
  adhoc with the aim of a Europe-wide distribution. The issuer is responsible
  for the content of this announcement.

18.06.2007

Details of the person subject to the disclosure
requirement:

Name:              Franz-Josef Kortüm
Name of contact/telephone number:
Wacker Chemie AG
Investor Relations
Tel.: +49 (0)89 6279 2769
E-Mail:  investor.relations@wacker.com

Reason for the disclosure requirement:
Reason:            Person performing managerial responsibilities
Position:          Member of an administrative or supervisory body

Details of the transaction:
Description of financial instrument: Aktie

ISIN:                DE000WCH8881
Type of transaction: sales
Date:                18.06.2007
No of items:         1250
Currency:            Euro
Price:               173.20000
Total amount traded: 216,500.00000
Place:               Frankfurt
Explanation:

Issuer subject to the publication requirement:

end of announcement                               euro adhoc 19.06.2007 12:20:03

Further inquiry note:

Wacker Chemie AG
Investor Relations
Tel.: +49 (0)89 6279 2769
E-Mail: investor.relations@wacker.com

Branche: Chemicals
ISIN: DE000WCH8881
WKN: WCH888
Index: CDAX, Classic All Share, HDAX, MDAX, Midcap Market Index,
Prime All Share
Börsen: Frankfurter Wertpapierbörse / official dealing/prime standard