With the release of the latest quarterly patches, the list of recommended patches for managing exadata via Enterprise Manager has been updated. The details for this patch recommendation can be found in My Oracle Support Note titled Patch Requirements for Setting up Monitoring and Administration for Exadata (Doc ID 1323298.1).
This note contains the recommended patches for the OMS servers, Repository database and the Agent. It also contains the recommended plugin versions for the database, exadata and fusion middleware plugins as well as the latest bundle patches for these plugins.
A My Oracle Support note has been created providing the patching steps for this list of recommended patches. This note can be found here: Applying Enterprise Manager 12c Recommended Patches (Doc ID 1664074.1)
Also, please refer to the following whitepaper for guidance in the Enterprise Manager patch application process: Oracle Enterprise Manager Software Planned Maintenance