diff --git a/exir/program/_program.py b/exir/program/_program.py
index 0c8a3da08c1..8e825f6f85b 100644
--- a/exir/program/_program.py
+++ b/exir/program/_program.py
@@ -1252,11 +1252,21 @@ def _gen_edge_manager_for_partitioners(
             preserve_ops=ops_set_to_not_decompose_by_program.get(name, []),
         )
 
+    # Merge ops_to_not_decompose into config so that downstream calls (e.g.
+    # EdgeProgramManager.transform()) carry the exception list through their
+    # verifiers automatically.
+    all_ops_not_to_decompose = list(
+        set().union(*ops_set_to_not_decompose_by_program.values())
+    )
+    config._core_aten_ops_exception_list = list(
+        set(config._core_aten_ops_exception_list) | set(all_ops_not_to_decompose)
+    )
+
     edge_manager = EdgeProgramManager(
         edge_programs,
         constant_methods,
         config,
-        list(set().union(*ops_set_to_not_decompose_by_program.values())),
+        all_ops_not_to_decompose,
     )
 
     if generate_etrecord: