Here is a procedure you can use to find that Life Cycle information.
1.After you login to CA Support Online, enter "Allocate" into the product dropdown and select "CA Allocate DASD Space and Placement" from the list.
2.Hover over the "Knowledge Center" arrow and then select "Product Pages" from the popup menu.
3.In the right hand navigation, select "Mainframe Storage for z/OS and OS/390 Release and Support Lifecycle Dates" under the "Product Status" header.
4.On the resulting page, scroll down to find your product, and you can select any links to see the GA or EOS announcements.