diff --git a/examples/common/blemesh_platform/platform/ESP32_custom/BUILD.gn b/examples/common/blemesh_platform/platform/ESP32_custom/BUILD.gn
index 26bd0bba8..a195c7dc7 100644
--- a/examples/common/blemesh_platform/platform/ESP32_custom/BUILD.gn
+++ b/examples/common/blemesh_platform/platform/ESP32_custom/BUILD.gn
@@ -1,3 +1,14 @@
+# SPDX-FileCopyrightText: 2021 Project CHIP Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# SPDX-FileContributor: 2024 Espressif Systems (Shanghai) PTE LTD
+#
+# Modified the original code to support blemesh platform on ESP32 SoCs.
+#
+# For original code and license information, please refer to
+# https://github.com/project-chip/connectedhomeip
+
 # Copyright (c) 2021 Project CHIP Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/examples/common/blemesh_platform/platform/ESP32_custom/nimble/BLEManagerImpl.cpp b/examples/common/blemesh_platform/platform/ESP32_custom/nimble/BLEManagerImpl.cpp
index af5fd0b81..9da1fa01a 100644
--- a/examples/common/blemesh_platform/platform/ESP32_custom/nimble/BLEManagerImpl.cpp
+++ b/examples/common/blemesh_platform/platform/ESP32_custom/nimble/BLEManagerImpl.cpp
@@ -1,3 +1,14 @@
+// SPDX-FileCopyrightText: 2020-2021 Project CHIP Authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// SPDX-FileContributor: 2024 Espressif Systems (Shanghai) PTE LTD
+//
+// Modified the original code to support blemesh platform on ESP32 SoCs.
+//
+// For original code and license information, please refer to
+// https://github.com/project-chip/connectedhomeip
+
 /*
  *
  *    Copyright (c) 2020-2021 Project CHIP Authors
diff --git a/examples/common/external_platform/BUILD.gn b/examples/common/external_platform/BUILD.gn
index 17f87e4b2..1910e34a4 100644
--- a/examples/common/external_platform/BUILD.gn
+++ b/examples/common/external_platform/BUILD.gn
@@ -1,3 +1,14 @@
+# SPDX-FileCopyrightText: 2020-2021 Project CHIP Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# SPDX-FileContributor: 2022-2024 Espressif Systems (Shanghai) PTE LTD
+#
+# Modified the original code to support external platform on ESP32 SoCs.
+#
+# For original code and license information, please refer to
+# https://github.com/project-chip/connectedhomeip
+
 # Copyright (c) 2021 Project CHIP Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");