diff --git a/ghc-experimental.cabal b/ghc-experimental.cabal
--- a/ghc-experimental.cabal
+++ b/ghc-experimental.cabal
@@ -6,7 +6,7 @@
 name:               ghc-experimental
 -- The project is ghc's version plus ghc-experimental's version suffix.
 -- For example, for ghc=9.10.1, ghc-experimental's version will be 9.1001.0.
-version:            9.1203.0
+version:            9.1204.0
 synopsis:           Experimental features of GHC's standard library
 description:
     This package is where experimental GHC standard library interfaces start
@@ -36,11 +36,12 @@
       GHC.TypeLits.Experimental
       GHC.TypeNats.Experimental
       Prelude.Experimental
+      GHC.Exception.Backtrace.Experimental
     if arch(wasm32)
         exposed-modules:  GHC.Wasm.Prim
     other-extensions:
     build-depends:    base >=4.20 && < 4.22,
-                      ghc-internal == 9.1203.*,
+                      ghc-internal == 9.1204.*,
                       ghc-prim >= 0.11 && < 0.14
     hs-source-dirs:   src
     default-language: Haskell2010
diff --git a/src/GHC/Exception/Backtrace/Experimental.hs b/src/GHC/Exception/Backtrace/Experimental.hs
new file mode 100644
--- /dev/null
+++ b/src/GHC/Exception/Backtrace/Experimental.hs
@@ -0,0 +1,28 @@
+{-
+Module      :  GHC.Exception.Backtrace.Experimental
+Copyright   :  (c) The GHC Team
+License     :  see libraries/ghc-experimental/LICENSE
+
+Maintainer  :  ghc-devs@haskell.org
+Stability   :  experimental
+Portability :  non-portable (GHC extensions)
+
+This module exposes experimental extensions to the Backtrace mechanism of GHC.
+-}
+module GHC.Exception.Backtrace.Experimental
+    ( -- * Backtrace mechanisms
+      BacktraceMechanism(..)
+    , getBacktraceMechanismState
+    , setBacktraceMechanismState
+    -- * Collecting backtraces
+    , Backtraces(..)
+    , displayBacktraces
+    , collectBacktraces
+    -- * Collecting exception annotations on throwing 'Exception's
+    , CollectExceptionAnnotationMechanism
+    , getCollectExceptionAnnotationMechanism
+    , setCollectExceptionAnnotation
+    , collectExceptionAnnotation
+  ) where
+
+import GHC.Internal.Exception.Backtrace