Microsoft announced:
1.Expression Studio 4 Ultimate and Expression Studio 4 Web Professional are no longer available for sale. As a result, the Software Store removed Expression Studio 4 Ultimate from its catalog for departments.
2.Expression Web 4 is available for free at http://www.microsoft.com/en-us/download/details.aspx?id=36179
3.Expression Design 4 is available for free at http://www.microsoft.com/en-us/download/details.aspx?id=36180
4.It will stop selling Expression Encoder 4 Pro after 2013.
See http://www.microsoft.com/expression/eng/ for details.