1. IX European Banking Supervisors XBRL Workshop Paris 29th September - 1st October 2008 Objective: The aim of the workshop is to update CEBS members in the latest developments of the XBRL adoption in Europe, CEBS taxonomies implementation and in the XBRL specification. Tom Staneke XBRL in the Dutch Central Bank

2. Topics 1.Introduction 2.XBRL in the Dutch Central Bank 3.Implementation COREP and FINREP 4.XBRL mapping solution 5.Live demo 6.360° testing 7.Questions? 2

3. XBRL in the Dutch Central Bank 3 Pros: Political issues like reducing administrative burden Commitment towards European COREP and FINREP models To be prepared for the future Cons: Existing e-Line functionalities versus XBRL capabilities Most Dutch banks show restraint when it comes to using XBRL Resulting in: Use international taxonomies when available and build national taxonomies when needed (i.e. when asked for by banks) Support XBRL as additional import format

4. From Excel Specifications to e-Line Forms 4 Excel Specifications e-Line Forms XML Blueprints e-Line Engine

5. Chain of Reporting e-Line Outpute-Line ImportXML Format Data Warehouse 5 Administrative System XBRL Instance XML to … Conversion XBRL to XML Conversion e-Line

6. Implementation COREP and FINREP 6 Status to date: May 2006 - Proposal approved to start XBRL project Yr 06-07 - Development XBRL importer Dec 2007 - Kick off with interested parties (4 int. banks) Jun 2008 - FINREP live (14 forms with a few extensions) Aug 2008 - Questionnaire XBRL use and experience Quote 29-08-2008: In our Finrep experience, e-line has proven to be a very flexible and convenient regulatory tool to upload, validate and retrieve reported numbers. Sep 2008 - COREP live (complete set, no extensions)

7. XBRL mapping solution 7... and a question with a suprisingly simple answer: What can you use to uniquely map XBRL elements to alternative structures like e-Line schemas? Some Considerations: Business specifies reporting models in Excel Models are translated into XML Blueprints Taxonomies (COREP / FINREP) are a given Mapping data between systems not new for DNB A generic mapping solution...

8. DNB Mapping Solution 8 Excel Specifications XML Blueprints XBRL Taxonomy XBRL Instance

9. 9

10. 360° testing XBRL Instance Actual Values (txt) Predicted Values (txt) Output (xml) Excel Model Data Warehouse Data Comparison 10 e-Line

11. 11

12. Join the e-Line initiative www.joineline.eu info@joineline.eu