May Trading Update

Date: May 12, 2010

Location: Alphen aan den Rijn, Netherlands

Wolters Kluwer will issue its first quarter trading update today.

A press release outlining the results will also be issued on this day at 8:00 am CET. More information will  be posted here before the event.

If you have any queries please contact Wolters Kluwer Investor Relations at +31 (0)20 6070 407, ir@wolterskluwer.com.