diff --git a/examples/java/LinearAssignmentAPI.java b/examples/java/LinearAssignmentAPI.java
index eec04f8b93..5c4acc879a 100644
--- a/examples/java/LinearAssignmentAPI.java
+++ b/examples/java/LinearAssignmentAPI.java
@@ -1,4 +1,4 @@
-// Copyright 2010-2021 Google
+// Copyright 2010-2021 Google LLC
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/examples/python/bus_driver_scheduling_sat.py b/examples/python/bus_driver_scheduling_sat.py
index 79f8c0be9a..76766016c7 100644
--- a/examples/python/bus_driver_scheduling_sat.py
+++ b/examples/python/bus_driver_scheduling_sat.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/examples/tests/LinearSolverTests.cs b/examples/tests/LinearSolverTests.cs
index 8b162eaa51..d8ea5ece93 100644
--- a/examples/tests/LinearSolverTests.cs
+++ b/examples/tests/LinearSolverTests.cs
@@ -1,3 +1,16 @@
+// Copyright 2010-2021 Google LLC
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 using System;
 using Xunit;
 using Google.OrTools.LinearSolver;
diff --git a/examples/tests/SatSolverTests.cs b/examples/tests/SatSolverTests.cs
index baeb47adfe..9e5ec36415 100644
--- a/examples/tests/SatSolverTests.cs
+++ b/examples/tests/SatSolverTests.cs
@@ -1,3 +1,16 @@
+// Copyright 2010-2021 Google LLC
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 using System;
 using System.Collections.Generic;
 using Xunit;