JOINT FILING AGREEMENT
Exhibit 99.1
The undersigned hereby agree that the statement on Schedule 13G/A (Amendment No. 2) 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: February 14, 2006 | ||||
| /s/ Xxxxx Xxxxxxxx | ||||
| Dr. Xxxxx Xxxxxxxx | ||||
| Xxxxx Xxxxxxxx GmbH & Co. Beteiligungs-KG |
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| By: | Xxxxx Xxxxxxxx Verwaltungs-GmbH, as sole general partner | |||
| By: | /s/ Xxxxx Xxxxxxxx | |||
| Name: | Dr. Xxxxx Xxxxxxxx | |||
| Title: | Managing Director | |||
| Xxxxx Xxxxxxxx Verwaltungs-GmbH |
||||
| By: | /s/ Xxxxx Xxxxxxxx | |||
| Name: | Dr. Xxxxx Xxxxxxxx | |||
| Title: | Managing Director | |||
