diff --git a/Armory/AnalysisLib.h b/Armory/AnalysisLib.h
index b2c5a40..7944804 100644
--- a/Armory/AnalysisLib.h
+++ b/Armory/AnalysisLib.h
@@ -5,6 +5,7 @@
 #include <vector>
 #include <fstream>
 #include <string>
+#include <iostream>
 
 #include <TMacro.h>
 #include <TList.h>
@@ -16,6 +17,27 @@
 
 namespace AnalysisLib {
 
+//*######################################### Execute Python Script
+std::vector<std::string> executePythonScript(std::string command) {
+  std::vector<std::string> result;
+  printf("Python : %s \n", command.c_str());
+  FILE* pipe = popen(command.c_str(), "r");
+  if (!pipe) {
+      std::cerr << "Failed to open pipe for command: " << command << std::endl;
+      return result;
+  }
+
+  constexpr int buffer_size = 256;
+  char buffer[buffer_size];
+
+  while (fgets(buffer, buffer_size, pipe) != nullptr) {
+      result.emplace_back(buffer);
+  }
+
+  pclose(pipe);
+  return result;
+}
+
 //*######################################### TRAPEZOID 
 TGraph * TrapezoidFilter(TGraph * trace, int baseLineEnd = 80, int riseTime = 10, int flatTop = 20, float decayTime = 2000){
   ///Trapezoid filter https://doi.org/10.1016/0168-9002(94)91652-7
diff --git a/Armory/ClassReactionConfig.h b/Armory/ClassReactionConfig.h
index caeb77e..c8e1f72 100644
--- a/Armory/ClassReactionConfig.h
+++ b/Armory/ClassReactionConfig.h
@@ -225,7 +225,64 @@ inline bool ReactionConfig::LoadReactionConfig(TMacro * macro){
       if( recoilLine == 5 ) recoil[ID].decayA  = atoi(str[0].c_str());
       if( recoilLine == 6 ) recoil[ID].decayZ  = atoi(str[0].c_str());
 
-      if( recoilLine > 6 && str.size() == 4) exList[ID].Add( atoi(str[0].c_str()), atoi(str[1].c_str()), atoi(str[2].c_str()), atoi(str[3].c_str()));
+      if( recoilLine > 6 && str.size() == 4) {
+        if( str[0] == "IAEA"){
+          
+          exList[ID].Clear();
+          
+          recoil[ID].heavyA = beamA + targetA - recoil[ID].lightA;
+          recoil[ID].heavyZ = beamZ + targetZ - recoil[ID].lightZ;
+          printf(">>>>>>>>>>>>> Retrieving Ex data from IAEA website....\n");
+          std::string scriptPath = "../WebSimHelper/getEx.py " + std::to_string(recoil[ID].heavyA) + " " + std::to_string(recoil[ID].heavyZ) + " " + str[2];
+          std::vector<std::string> output = AnalysisLib::executePythonScript(scriptPath);
+
+          if( output.size() > 1 ){
+            for( size_t dudu = 1 ; dudu < output.size(); dudu ++ ){
+              printf("%s", output[dudu].c_str());
+              std::vector<std::string> dondon = AnalysisLib::SplitStr(output[dudu], " ");
+
+              if( str[1].find("all") == std::string::npos){ // only comfirm states
+                if(dondon[2].find(')') != std::string::npos  ) continue;
+                if(dondon[2].find('N') != std::string::npos  ) continue;
+                // printf("kdlsakdas ---- %s\n", str[1].c_str());
+
+                if(str[1] == "+" && dondon[2].find('+') != std::string::npos  ){
+                  // printf(" only comfim + states\n");
+                  exList[ID].Add( atoi(dondon[1].c_str()), 1.0, 1.0, atoi(str[3].c_str()));
+                }
+                if(str[1] == "-" && dondon[2].find('-') != std::string::npos  ){
+                  // printf(" only comfim - states\n");
+                  exList[ID].Add( atoi(dondon[1].c_str()), 1.0, 1.0, atoi(str[3].c_str()));
+                }
+                if( str[1] == "known"  ){
+                  // printf(" All comfim state\n");
+                  exList[ID].Add( atoi(dondon[1].c_str()), 1.0, 1.0, atoi(str[3].c_str()));
+                }
+
+              }else{
+                if(str[1] == "+all" && dondon[2].find('+') != std::string::npos  ){
+                  // printf(" All state : %s\n", str[1].c_str());
+                  exList[ID].Add( atoi(dondon[1].c_str()), 1.0, 1.0, atoi(str[3].c_str()));
+                }
+                if(str[1] == "-all" && dondon[2].find('-') != std::string::npos  ){
+                  // printf(" All state : %s\n", str[1].c_str());
+                  exList[ID].Add( atoi(dondon[1].c_str()), 1.0, 1.0, atoi(str[3].c_str()));
+                }
+                if( str[1] == "all" ){
+                  // printf(" All state \n");
+                  exList[ID].Add( atoi(dondon[1].c_str()), 1.0, 1.0, atoi(str[3].c_str()));
+                }
+
+              }
+            }
+          }else{
+            printf(" No states found from IAEA database, assume ground state.");
+            exList[ID].Add( 0, 1.0, 1.0, 0.01);
+          }
+        }else{
+          exList[ID].Add( atoi(str[0].c_str()), atoi(str[1].c_str()), atoi(str[2].c_str()), atoi(str[3].c_str()));
+        }
+      }
 
     }
 
diff --git a/WebSimHelper/getEx.py b/WebSimHelper/getEx.py
new file mode 100755
index 0000000..0f93744
--- /dev/null
+++ b/WebSimHelper/getEx.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env /usr/bin/python3
+
+import isotopeLib as iso
+
+import sys
+
+if len(sys.argv) < 3:
+  print("Usage: python getEx.py A Z Ex")
+  sys.exit(1)
+
+A = int(sys.argv[1])
+Z = int(sys.argv[2])
+Ex = float(sys.argv[3])
+ASym = iso.GetSymbol(A, Z)
+
+ExList = iso.GetExList(ASym, Ex)
+
+print(ExList)
\ No newline at end of file
diff --git a/WebSimHelper/isotopeLib.py b/WebSimHelper/isotopeLib.py
index ed42a40..60b98cd 100755
--- a/WebSimHelper/isotopeLib.py
+++ b/WebSimHelper/isotopeLib.py
@@ -41,7 +41,7 @@ except FileNotFoundError:
 ##        'ENSDFauthors', 'Extraction_date']
 
 
-def GetExList(ASym : str, maxEx : float):
+def GetExList(ASym : str, maxEx : float) ->pd.DataFrame:
   try:
     exList = lc_read_csv(livechart + "fields=levels&nuclides=" + ASym)
     exJpi = exList[['energy', 'jp']]