diff --git a/DataFormats/PatCandidates/interface/IsolatedTrack.h b/DataFormats/PatCandidates/interface/IsolatedTrack.h
index 44c1fabb679dd..f7ef28eb6f624 100644
--- a/DataFormats/PatCandidates/interface/IsolatedTrack.h
+++ b/DataFormats/PatCandidates/interface/IsolatedTrack.h
@@ -121,6 +121,15 @@ namespace pat {
 
     const reco::HitPattern& hitPattern() const { return hitPattern_; }
 
+    /// helper functions for string cut parser
+    int lostInnerLayers() const {
+      return hitPattern_.trackerLayersWithoutMeasurement(reco::HitPattern::MISSING_INNER_HITS);
+    }
+    int lostLayers() const { return hitPattern_.trackerLayersWithoutMeasurement(reco::HitPattern::TRACK_HITS); }
+    int lostOuterLayers() const {
+      return hitPattern_.trackerLayersWithoutMeasurement(reco::HitPattern::MISSING_OUTER_HITS);
+    }
+
     float dEdxStrip() const { return dEdxStrip_; }
     float dEdxPixel() const { return dEdxPixel_; }
 
diff --git a/PhysicsTools/PatAlgos/python/slimming/isolatedTracks_cfi.py b/PhysicsTools/PatAlgos/python/slimming/isolatedTracks_cfi.py
index 995d59f90ed12..11d9c9b6ba500 100644
--- a/PhysicsTools/PatAlgos/python/slimming/isolatedTracks_cfi.py
+++ b/PhysicsTools/PatAlgos/python/slimming/isolatedTracks_cfi.py
@@ -24,6 +24,14 @@
     " abs(dxy) < 0.5 && abs(dz) < 0.5 && "+
     " (miniPFIsolation().chargedHadronIso()/pt < 1.0 || pt > 100)"
 )
+_exoDisappearingTrackCut = (
+    "pt > 30 && "+
+    "abs(dxy) < 0.05 && abs(dz) < 1.0 &&"+
+    "lostInnerLayers == 0 &&"+
+    "lostLayers == 0 &&"+
+    "lostOuterLayers >= 1 &&"+
+    "(pfIsolationDR03().chargedHadronIso)/pt < 0.1"
+)
 isolatedTracks = cms.EDProducer("PATIsolatedTrackProducer",
     tkAssocParamBlock,
     packedPFCandidates = cms.InputTag("packedPFCandidates"),
@@ -61,7 +69,8 @@
     useHighPurity = cms.bool(False),
 
     saveDeDxHitInfo = cms.bool(True),
-    saveDeDxHitInfoCut = cms.string("(%s) || (%s)" % (_susySoftDisappearingTrackCut,_exoHighPtTrackCut)), 
+    saveDeDxHitInfoCut = cms.string("(%s) || (%s) || (%s)" 
+      % (_susySoftDisappearingTrackCut,_exoHighPtTrackCut,_exoDisappearingTrackCut)), 
 )
 
 from Configuration.ProcessModifiers.pp_on_AA_cff import pp_on_AA