Exhibit 99.1
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with
respect to the ordinary shares of SAP Aktiengesellschaft Systeme, Anwendungen,
Produkte in der Datenverarbeitung is, and any amendment thereto signed by each
of the undersigned shall be, filed on behalf of each of the undersigned pursuant
to and in accordance with the provisions of Rule 13d-1(k) promulgated under the
Securities Exchange Act of 1934, as amended. The undersigned hereby further
agree that this Joint Filing Agreement be included as an exhibit to such
statement and any such amendment. This Joint Filing Agreement may be executed in
any number of counterparts, all of which taken together shall constitute one and
the same instrument.
Dated: January 28, 2005
/s/ Xxxxx Xxxxxxxx
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Dr. Xxxxx Xxxxxxxx
Xxxxx Xxxxxxxx GmbH & Co.
Beteiligungs-KG
By: Xxxxx Xxxxxxxx Verwaltungs-GmbH,
as sole general partner
By: /s/ Xxxxx Xxxxxxxx
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Name: Dr. Xxxxx Xxxxxxxx
Title: Managing Director
Xxxxx Xxxxxxxx Verwaltungs-GmbH
By: /s/ Xxxxx Xxxxxxxx
--------------------------
Name: Dr. Xxxxx Xxxxxxxx
Title: Managing Director
