diff --git a/onnxruntime/python/tools/microbench/attention.py b/onnxruntime/python/tools/microbench/attention.py
index 8e5e0df584..bc9daae445 100644
--- a/onnxruntime/python/tools/microbench/attention.py
+++ b/onnxruntime/python/tools/microbench/attention.py
@@ -1,3 +1,8 @@
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+#--------------------------------------------------------------------------
+
 import argparse
 from dataclasses import dataclass
 import numpy as np
diff --git a/onnxruntime/python/tools/microbench/benchmark.py b/onnxruntime/python/tools/microbench/benchmark.py
index d5a658ed2e..86fa98e153 100644
--- a/onnxruntime/python/tools/microbench/benchmark.py
+++ b/onnxruntime/python/tools/microbench/benchmark.py
@@ -1,3 +1,8 @@
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+#--------------------------------------------------------------------------
+
 from abc import ABC, abstractmethod
 from argparse import ArgumentParser
 import logging
diff --git a/onnxruntime/python/tools/microbench/cast.py b/onnxruntime/python/tools/microbench/cast.py
index 9f1ffae9a4..d6ae83a236 100644
--- a/onnxruntime/python/tools/microbench/cast.py
+++ b/onnxruntime/python/tools/microbench/cast.py
@@ -1,3 +1,8 @@
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+#--------------------------------------------------------------------------
+
 import argparse
 from dataclasses import dataclass
 import numpy as np
diff --git a/onnxruntime/python/tools/microbench/fast_gelu.py b/onnxruntime/python/tools/microbench/fast_gelu.py
index 3014cf6234..2d50e256a0 100644
--- a/onnxruntime/python/tools/microbench/fast_gelu.py
+++ b/onnxruntime/python/tools/microbench/fast_gelu.py
@@ -1,3 +1,8 @@
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+#--------------------------------------------------------------------------
+
 import argparse
 from dataclasses import dataclass
 import numpy as np
diff --git a/onnxruntime/python/tools/microbench/matmul.py b/onnxruntime/python/tools/microbench/matmul.py
index 8c091d97f0..1de45ee5c7 100644
--- a/onnxruntime/python/tools/microbench/matmul.py
+++ b/onnxruntime/python/tools/microbench/matmul.py
@@ -1,3 +1,8 @@
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+#--------------------------------------------------------------------------
+
 import argparse
 from dataclasses import dataclass
 import numpy as np
diff --git a/onnxruntime/python/tools/microbench/skip_layer_norm.py b/onnxruntime/python/tools/microbench/skip_layer_norm.py
index 16446d70ed..b6f8c5f9e1 100644
--- a/onnxruntime/python/tools/microbench/skip_layer_norm.py
+++ b/onnxruntime/python/tools/microbench/skip_layer_norm.py
@@ -1,3 +1,8 @@
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+#--------------------------------------------------------------------------
+
 import argparse
 from dataclasses import dataclass
 import numpy as np