diff --git a/src/Solver/Mage.py b/src/Solver/Mage.py
index 28142dca6c1fc14289ca5f70e27ae89df09c75e7..d4792b7fdbe64d223015fc9c0d7f1279b38c6f6e 100644
--- a/src/Solver/Mage.py
+++ b/src/Solver/Mage.py
@@ -122,6 +122,37 @@ class Mage(AbstractSolver):
             for bound in lst.get_tab(tab):
                 self._export_BC(bound, repertory,  qlog)
 
+    @timer
+    def _export_RUG(self, study, repertory, qlog = None):
+        if qlog is not None:
+            qlog.put("Export RUG file")
+
+        # Write header
+        with open(os.path.join(repertory, f"0.RUG"), "w+") as f:
+            f.write("* This file is generate by PAMHYR, please don't modify\n")
+
+            id = 1
+            edges = study.river.edges()
+            for edge in edges:
+                sections = edge.sections
+
+                for section in sections.sections:
+                    num = f"{id:>3}"
+                    bkp = f"{section.begin_kp:>10.3f}"
+                    ekp = f"{section.end_kp:>10.3f}"
+
+                    if section.begin_kp != section.end_kp:
+                        print("TODO")
+
+                    strickler = section.begin_strickler
+                    coef_1 = f"{strickler.minor:>10.3f}"
+                    coef_2 = f"{strickler.medium:>10.3f}"
+
+                    f.write(f"K{num}      {bkp}{ekp}{coef_1}{coef_2}\n")
+                    id += 1
+
+                f.write("* END OF FILE")
+
     @timer
     def export(self, study, repertory, qlog = None):
         self._export_ST(study, repertory, qlog)
@@ -216,5 +247,6 @@ class Mage8(Mage):
         self._export_NET(study, repertory, qlog)
         self._export_ST(study, repertory, qlog)
         self._export_bound_cond(study, repertory, qlog)
+        self._export_RUG(study, repertory, qlog)
 
         return True