diff --git a/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Design/TemplateEdit.razor b/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Design/TemplateEdit.razor
index 3f8f26dd..e1e641a2 100644
--- a/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Design/TemplateEdit.razor
+++ b/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Design/TemplateEdit.razor
@@ -1013,6 +1013,10 @@
                                 {
                                     <span class="badge bg-light text-dark" aria-label="Unlocked">Unlocked</span>
                                 }
+                                @if (src.IsMesReportable)
+                                {
+                                    <span class="badge bg-success ms-1" data-test="native-mes-badge" aria-label="MES reportable">MES</span>
+                                }
                             </td>
                             <td>
                                 <div class="dropdown">
diff --git a/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Shared/AlarmStateBadges.razor b/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Shared/AlarmStateBadges.razor
index 66e9738b..5b8102c0 100644
--- a/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Shared/AlarmStateBadges.razor
+++ b/src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Shared/AlarmStateBadges.razor
@@ -24,6 +24,11 @@
         <span class="badge bg-info text-dark me-1" aria-label="Suppressed">Suppressed</span>
     }
 }
+@if (Alarm.IsMesReportable)
+{
+    <span class="badge bg-success me-1" data-test="alarm-mes-badge"
+          title="Reported by the MES alarm-status API" aria-label="MES reportable">MES</span>
+}
 <span class="font-monospace small text-muted me-1"
       aria-label="@($"Severity: {Alarm.Condition.Severity}")">sev @Alarm.Condition.Severity</span>
 @if (Alarm.Level != AlarmLevel.None)
diff --git a/tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Components/AlarmStateBadgesTests.cs b/tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Components/AlarmStateBadgesTests.cs
index d371349e..28cd0e8c 100644
--- a/tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Components/AlarmStateBadgesTests.cs
+++ b/tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Components/AlarmStateBadgesTests.cs
@@ -56,4 +56,24 @@ public class AlarmStateBadgesTests : BunitContext
         // HiLo level badge label.
         Assert.Contains("Hi", cut.Markup);
     }
+
+    /// <summary>Gitea #102: a MES-reportable alarm shows the MES badge.</summary>
+    [Fact]
+    public void MesReportableAlarm_RendersMesBadge()
+    {
+        var alarm = ActiveNativeHighUnacked() with { IsMesReportable = true };
+
+        var cut = Render<AlarmStateBadges>(p => p.Add(c => c.Alarm, alarm));
+
+        Assert.Equal("MES", cut.Find("[data-test='alarm-mes-badge']").TextContent);
+    }
+
+    /// <summary>Gitea #102: a non-reportable alarm shows no MES badge.</summary>
+    [Fact]
+    public void NonMesReportableAlarm_RendersNoMesBadge()
+    {
+        var cut = Render<AlarmStateBadges>(p => p.Add(c => c.Alarm, ActiveNativeHighUnacked()));
+
+        Assert.Empty(cut.FindAll("[data-test='alarm-mes-badge']"));
+    }
 }