Please check the site on 22nd March 2015

 https://apex.oracle.com/i/index.html

Oracle Support

Oracle Application Express is a fully supported no-cost option of the Oracle Database. Therefore, your Oracle Database maintenance agreement also covers support for Oracle Application Express. Oracle’s Lifetime Support policies maximize your investment protection and provide peace of mind knowing that we’ll be there to support you.

The information below is provided in the Lifetime Support Policy: Oracle Technology Products:

http://www.oracle.com/technetwork/developer-tools/apex/application-express/apex-support-1866620.html