diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkExotics/share/EXOT2.py b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkExotics/share/EXOT2.py
index 7710026f72b7980f64c0cd858ffa1a443b76e46f..0b122817e60402ba639f5434e1de899d9a744891 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkExotics/share/EXOT2.py
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkExotics/share/EXOT2.py
@@ -149,6 +149,7 @@ EXOT2SlimmingHelper.ExtraVariables = ["AntiKt4TruthJets.pt.eta.phi.m","AntiKt4EM
 
 EXOT2SlimmingHelper.AllVariables = ["TruthEvents",
                                     "TruthParticles",
+                                    "TruthVertices",
                                     "LVL1JetRoIs",
                                     "HLT_xAOD__JetContainer_a4tcemsubjesFS",
                                     "HLT_xAOD__JetContainer_a4tcemsubjesISFS",