diff --git a/examples/inputs/example_03/exchanges_df.license b/examples/inputs/example_03/exchanges_df.license
new file mode 100644
index 00000000..a6ae0636
--- /dev/null
+++ b/examples/inputs/example_03/exchanges_df.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: ASSUME Developers
+
+SPDX-License-Identifier: AGPL-3.0-or-later
diff --git a/examples/inputs/example_03/exchanges_units.csv.license b/examples/inputs/example_03/exchanges_units.csv.license
new file mode 100644
index 00000000..a6ae0636
--- /dev/null
+++ b/examples/inputs/example_03/exchanges_units.csv.license
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: ASSUME Developers
+
+SPDX-License-Identifier: AGPL-3.0-or-later