diff --git a/ApplicationLibCode/ReservoirDataModel/Well/RigWellTargetCandidatesGenerator.cpp b/ApplicationLibCode/ReservoirDataModel/Well/RigWellTargetCandidatesGenerator.cpp
index 76dde37784..e711ac95a8 100644
--- a/ApplicationLibCode/ReservoirDataModel/Well/RigWellTargetCandidatesGenerator.cpp
+++ b/ApplicationLibCode/ReservoirDataModel/Well/RigWellTargetCandidatesGenerator.cpp
@@ -758,7 +758,7 @@ RimRegularGridCase* RigWellTargetCandidatesGenerator::generateEnsembleCandidates
     targetCase->setCellCount( resultGridCellCount );
     targetCase->createModel( "" );
 
-    std::vector<int> occupancy;
+    std::vector<int> occurrence;
 
     std::map<QString, std::vector<std::vector<double>>> resultNamesAndSamples;
     resultNamesAndSamples["TOTAL_PORV_SOIL"]      = {};
@@ -771,10 +771,23 @@ RimRegularGridCase* RigWellTargetCandidatesGenerator::generateEnsembleCandidates
     {
         auto task = progInfo.task( "Accumulating results.", 1 );
 
-        accumulateResultsForSingleCase( *eclipseCase, *targetCase, resultNamesAndSamples, occupancy );
+        accumulateResultsForSingleCase( *eclipseCase, *targetCase, resultNamesAndSamples, occurrence );
     }
 
-    createResultVector( *targetCase, "OCCUPANCY", occupancy );
+    auto createFractionVector = []( const std::vector<int>& occurrence, int maxOccurrence ) -> std::vector<double>
+    {
+        std::vector<double> fractions( occurrence.size() );
+        std::transform( occurrence.begin(),
+                        occurrence.end(),
+                        fractions.begin(),
+                        [maxOccurrence]( int value ) { return static_cast<double>( value ) / maxOccurrence; } );
+
+        return fractions;
+    };
+
+    createResultVector( *targetCase, "OCCURRENCE", occurrence );
+    std::vector<double> probability = createFractionVector( occurrence, ensemble.cases().size() );
+    createResultVector( *targetCase, "PROBABILITY", probability );
 
     for ( auto [resultName, vec] : resultNamesAndSamples )
     {
@@ -830,12 +843,12 @@ void RigWellTargetCandidatesGenerator::computeStatisticsAndCreateVectors( RimEcl
         if ( RiaStatisticsTools::isValidNumber( maxValue ) && maxValue > -std::numeric_limits<double>::max() ) maxResults[i] = maxValue;
     }
 
-    createResultVector( targetCase, "ENSEMBLE_" + resultName + "_P10", p10Results );
-    createResultVector( targetCase, "ENSEMBLE_" + resultName + "_P50", p50Results );
-    createResultVector( targetCase, "ENSEMBLE_" + resultName + "_P90", p90Results );
-    createResultVector( targetCase, "ENSEMBLE_" + resultName + "_MEAN", meanResults );
-    createResultVector( targetCase, "ENSEMBLE_" + resultName + "_MIN", minResults );
-    createResultVector( targetCase, "ENSEMBLE_" + resultName + "_MAX", maxResults );
+    createResultVector( targetCase, resultName + "_P10", p10Results );
+    createResultVector( targetCase, resultName + "_P50", p50Results );
+    createResultVector( targetCase, resultName + "_P90", p90Results );
+    createResultVector( targetCase, resultName + "_MEAN", meanResults );
+    createResultVector( targetCase, resultName + "_MIN", minResults );
+    createResultVector( targetCase, resultName + "_MAX", maxResults );
 }
 
 //--------------------------------------------------------------------------------------------------