Extended Support Oracle Portal 11gR1 (e.g. Portal 220.127.116.11) ends on June 30, 2017. This is published in the Oracle Lifetime Support Policy for Fusion Middleware (PDF):
Migrating to Oracle WebCenter
If you're currently using Oracle Portal, you should upgrade to the terminal release: Portal 18.104.22.168.
You consider migrating to Oracle WebCenter Portal at your earliest convenience.
What can EBS customers expect after June 2017?
After Oracle Portal enters Sustaining Support on July 1, 2017: