These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
globus-gass-copy-4_14-1_fc9:EL-5:globus-gass-copy-4.14-1.fc9.src.rpm:1244257937 globus-gass-copy-4_14-2_fc9:EL-5:globus-gass-copy-4.14-2.fc9.src.rpm:1245097492