Update: The Extended support will go thru April 2008, not 2007 (correcting it inline as well)
It'll take a bit of time till it shows up officially on MSDN, but we're extending the support lifecycle of the SOAP toolkit.
The new dates are as follows:
If you downloaded it from the web:
If you got it thru a product it will be supported through that product's support lifecycle.
While I'm discussing the toolkit, there are a couple of good articles on the SOAP Toolkit and Web Services. Note that they still mention the old support dates:Migrating from the Microsoft SOAP Toolkit to the .NET FrameworkIntegrating Web Services and COM Components