diff --git a/SUPPORT.md b/SUPPORT.md
index 765dd15685..cb504eec1e 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -10,9 +10,9 @@ for the definitions of the support status levels etc.
 # Release Support
 
     Xen-Version: 4.17
-    Initial-Release: n/a
-    Supported-Until: TBD
-    Security-Support-Until: Unreleased - not yet security-supported
+    Initial-Release: 2022-12-12
+    Supported-Until: 2024-06-12
+    Security-Support-Until: 2025-12-12
 
 Release Notes
 : <a href="https://wiki.xenproject.org/wiki/Xen_Project_4.17_Release_Notes">RN</a>