1. François Mahé France Serving an International Client

2. Groupe OPEN – Key figures Turn over 2006: 581 M€ Employees: 2400 Listed since 1998 Holding with 2 main activities located in 2 subs –Value added distribution: LOGIX –IT Services: TEAMLOG (listed itself) LOGIX: 430 M€ turn over - 460 employees –Belgium, NL, Poland, Denmark, Sweden, Norway, Finland, Morocco, Israel TEAMLOG: 140 M€ turn over – 1900 employees –Spain, UK and Canada

3. The story 1989: starting up with UNIX technology 1991: creation of Logix as VA distributor 1998: quotation on Paris stock exchange 2005: the group take the control of Teamlog and come in the French IT services top 10

4. Our Story with Groupe OPEN 1994: independent audit for IBM 1995: Statutory auditor 1998: as listed company a second statutory auditor, KPMG 1998: ACA joins Nexia 1999: beginning of the pan European strategy of Logix – the group choose NEXIA as auditor 2005: we become statutory auditor of Teamlog with E&Y 2006: E&Y replace KPMG as statutory auditor of the whole group

5. Nexia as auditor France Belgium NL Poland Denmark, Sweden, Norway, Finland Morocco Israel

6. Client expectations Technical answers: IFRS, local regulations, audit efficiency Services: delays, communication, report, staff stability, good coordination between auditors Proximity with audit partners

7. Key success factors for Nexia Personal relationship between partners Annual audit instructions –Responsibilities, planning –Principles and methods descriptions –Detailed audit instructions on consolidation packages –Format of report Report –Detailed on activity, risk areas, audit finding, internal control,… –Final opinion report Communication between the local and group auditors during the assignment Involvement of the teams to explain problems and propose solutions Respect of delays