diff --git a/neutron_lib/plugins/ml2/api.py b/neutron_lib/plugins/ml2/api.py
index f9b40f2ab..dfb267d7c 100644
--- a/neutron_lib/plugins/ml2/api.py
+++ b/neutron_lib/plugins/ml2/api.py
@@ -1037,6 +1037,16 @@ class ExtensionDriver(object):
         """
         pass
 
+    @property
+    def extension_aliases(self):
+        """List of extension aliases supported by the driver.
+
+        Return a list of aliases identifying the core API extensions
+        supported by the driver. By default this just returns the
+        extension_alias property for backwards compatibility.
+        """
+        return [self.extension_alias]
+
     def process_create_network(self, plugin_context, data, result):
         """Process extended attributes for create network.
 
diff --git a/releasenotes/notes/rehome-ml2-api-extaliases-4db48e113893c7a5.yaml b/releasenotes/notes/rehome-ml2-api-extaliases-4db48e113893c7a5.yaml
new file mode 100644
index 000000000..f72b5ecc7
--- /dev/null
+++ b/releasenotes/notes/rehome-ml2-api-extaliases-4db48e113893c7a5.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - The ``ExtensionDriver`` class in ``neutron_lib.plugins.ml2.api`` now
+    contains the ``extension_aliases`` property to match neutron's
+    implementation.