diff --git a/FDTD/operator_ext_upml.cpp b/FDTD/operator_ext_upml.cpp
index 752f950..19ca216 100644
--- a/FDTD/operator_ext_upml.cpp
+++ b/FDTD/operator_ext_upml.cpp
@@ -319,3 +319,12 @@ Engine_Extension* Operator_Ext_UPML::CreateEngineExtention()
 	Engine_Ext_UPML* eng_ext = new Engine_Ext_UPML(this);
 	return eng_ext;
 }
+
+void Operator_Ext_UPML::ShowStat(ostream &ostr)  const
+{
+	Operator_Extension::ShowStat(ostr);
+
+	ostr << " PML range\t\t: " << "[" << m_StartPos[0]<< "," << m_StartPos[1]<< "," << m_StartPos[2]<< "] to ["
+			<<  m_StartPos[0]+m_numLines[0]-1 << "," << m_StartPos[1]+m_numLines[1]-1 << "," << m_StartPos[2]+m_numLines[2]-1 << "]" << endl;
+	ostr << " Grading function\t: \"" << m_GradFunc << "\"" << endl;
+}
diff --git a/FDTD/operator_ext_upml.h b/FDTD/operator_ext_upml.h
index 9d5ca0d..ddf9a15 100644
--- a/FDTD/operator_ext_upml.h
+++ b/FDTD/operator_ext_upml.h
@@ -60,6 +60,8 @@ public:
 
 	virtual string GetExtensionName() const {return string("Uniaxial PML Extension");}
 
+	virtual void ShowStat(ostream &ostr) const;
+
 	//! Create the UPML
 	static bool Create_UPML(Operator* op, int BC[6], unsigned int size[6], string gradFunc);