Oracle Support has announced that the Oracle version 9i is going to be de-supported from their support. Please take a look at an Oracle Metalink Note ID: 161818.1. In this note, you may also find the support summary information of even Oracle 7, 8, 8i, 9i and 10g.
Oracle has also declared that the first year of extended support for 9.2 would be free!!! Please take a look at the following URL for more information.