P9E001 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
P8Y001 manifest for Platform Web Services for SAS 1.9
P8X001 manifest for SAS Grid Manager Module for SAS Environment Manager 1.9