Oracle Lifetime Support Policy
Oracle's page explaining the Premier, Extended and Sustaining Support levels, with links to the support-date tables for each product family.
Egisedge summary. The official content lives on Oracle's site; this page explains what it covers and how we use it.
Explains what each support level covers and when it applies. Links to the Applications policy document with the EBS 12.1 and 12.2 dates. Use it to check current Premier Support end dates before planning upgrades or renewals. Recheck it each year, as Oracle can extend dates.