EXHIBIT A

JOINT FILING STATEMENT

We, the undersigned, hereby express our agreement that the attached Amendment No.1 to Schedule 13D is hereby filed on behalf of each of us.

Dated: February 5, 2008

SAP FRANCE S.A.
By:	/s/ MICHAEL PLOETNER*
	Name:	Michael Ploetner
	*By power of attorney
SAP AG
By:	/s/ MICHAEL PLOETNER*
	Name:	Michael Ploetner
	*By power of attorney