diff --git a/sigs.yaml b/sigs.yaml
index 362d77c..b1239d1 100644
--- a/sigs.yaml
+++ b/sigs.yaml
@@ -18,6 +18,18 @@ API:
   status: active
   url: https://wiki.openstack.org/wiki/API_SIG
 
+Extended Maintenance:
+  chairs:
+    - name: Tony Breeds
+      irc: tonyb
+      email: tony@bakeyournoodle.com
+  scope: >
+    Defining, enforcing and accompanying project teams in the application
+    of a common stable branch policy. Keeping CI working on stable branches.
+    Creating and improving related tooling and automation.
+  status: active
+  url: https://wiki.openstack.org/wiki/StableBranch
+
 FEMDC:
   chairs:
     - name: Adrien Lebre