I believe i figured it out.

I unpacked the SQLEXPRADV_x86_ENU.exe into a folder which contained all the files needed to install SQL08 Express with Adv Svcs. In this folder were the MSI files that the CU1 patch was looking for.

I used the patch CU1 and pointed it to those specific files in the Unpacked SQLEXPRADV_x86_ENU.exe folder. This upgraded the sql server to the CU1.

According to sql server it is patched to this CU1 patch version. I will be testing the reports out when i recieve a database to test with and i will post results.