diff --git a/cardano-cli/src/Cardano/CLI/Read.hs b/cardano-cli/src/Cardano/CLI/Read.hs
index 4848f20a95..640af83a2e 100644
--- a/cardano-cli/src/Cardano/CLI/Read.hs
+++ b/cardano-cli/src/Cardano/CLI/Read.hs
@@ -638,6 +638,7 @@ data SomeSigningWitness
   | AGenesisDelegateExtendedSigningWitness  (SigningKey GenesisDelegateExtendedKey)
   | AGenesisUTxOSigningWitness              (SigningKey GenesisUTxOKey)
   | ADRepSigningWitness                     (SigningKey DRepKey)
+  | ADRepExtendedSigningWitness             (SigningKey DRepExtendedKey)
   | ACommitteeColdSigningWitness            (SigningKey CommitteeColdKey)
   | ACommitteeHotSigningWitness             (SigningKey CommitteeHotKey)
   deriving Show
@@ -673,14 +674,11 @@ categoriseSomeSigningWitness swsk =
     AGenesisDelegateSigningWitness          sk      -> AShelleyKeyWitness (WitnessGenesisDelegateKey              sk)
     AGenesisDelegateExtendedSigningWitness  sk      -> AShelleyKeyWitness (WitnessGenesisDelegateExtendedKey      sk)
     AGenesisUTxOSigningWitness              sk      -> AShelleyKeyWitness (WitnessGenesisUTxOKey                  sk)
-    ADRepSigningWitness                     sk      -> AShelleyKeyWitness (WitnessPaymentKey $ castDrep           sk)
+    ADRepSigningWitness                     sk      -> AShelleyKeyWitness (WitnessDRepKey                         sk)
+    ADRepExtendedSigningWitness             sk      -> AShelleyKeyWitness (WitnessDRepExtendedKey                 sk)
     ACommitteeColdSigningWitness            sk      -> AShelleyKeyWitness (WitnessCommitteeColdKey                sk)
     ACommitteeHotSigningWitness             sk      -> AShelleyKeyWitness (WitnessCommitteeHotKey                 sk)
 
--- TODO: Conway era - Add constrctor for SigningKey DrepKey to ShelleyWitnessSigningKey
-castDrep :: SigningKey DRepKey -> SigningKey PaymentKey
-castDrep (DRepSigningKey sk) = PaymentSigningKey sk
-
 data ReadWitnessSigningDataError
   = ReadWitnessSigningDataSigningKeyDecodeError !(FileError InputDecodeError)
   | ReadWitnessSigningDataScriptError !(FileError JsonDecodeError)
@@ -727,6 +725,7 @@ readWitnessSigningData (KeyWitnessSigningData skFile mbByronAddr) = do
       , FromSomeType (AsSigningKey AsGenesisDelegateExtendedKey ) AGenesisDelegateExtendedSigningWitness
       , FromSomeType (AsSigningKey AsGenesisUTxOKey             ) AGenesisUTxOSigningWitness
       , FromSomeType (AsSigningKey AsDRepKey                    ) ADRepSigningWitness
+      , FromSomeType (AsSigningKey AsDRepExtendedKey            ) ADRepExtendedSigningWitness
       , FromSomeType (AsSigningKey AsCommitteeColdKey           ) ACommitteeColdSigningWitness
       , FromSomeType (AsSigningKey AsCommitteeHotKey            ) ACommitteeHotSigningWitness
       ]
diff --git a/cardano-cli/test/cardano-cli-golden/Test/Golden/Governance/DRep.hs b/cardano-cli/test/cardano-cli-golden/Test/Golden/Governance/DRep.hs
index 40947e1b55..b3b4aa73fe 100644
--- a/cardano-cli/test/cardano-cli-golden/Test/Golden/Governance/DRep.hs
+++ b/cardano-cli/test/cardano-cli-golden/Test/Golden/Governance/DRep.hs
@@ -86,6 +86,24 @@ hprop_golden_governance_drep_id_hex =
 
     H.diffFileVsGoldenFile idFile idGold
 
+hprop_golden_governance_drep_extended_key_signing :: Property
+hprop_golden_governance_drep_extended_key_signing =
+  propertyOnce . H.moduleWorkspace "tmp" $ \tempDir -> do
+    skeyFile <- noteInputFile "test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/drep.skey"
+    txBody <- noteInputFile "test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/tx.body"
+
+    outGold <- H.note "test/cardano-cli-golden/files/golden/governance/drep/extended-key-signing/tx.signed"
+    outFile <- H.noteTempFile tempDir "outFile"
+
+    void $ execCardanoCLI
+      [  "conway", "transaction", "sign"
+      , "--tx-body-file", txBody
+      , "--signing-key-file", skeyFile
+      , "--out-file", outFile
+      ]
+
+    H.diffFileVsGoldenFile outFile outGold
+
 hprop_golden_governance_drep_retirement_certificate_vkey_file :: Property
 hprop_golden_governance_drep_retirement_certificate_vkey_file =
   propertyOnce . H.moduleWorkspace "tmp" $ \tempDir -> do
diff --git a/cardano-cli/test/cardano-cli-golden/files/golden/governance/drep/extended-key-signing/tx.signed b/cardano-cli/test/cardano-cli-golden/files/golden/governance/drep/extended-key-signing/tx.signed
new file mode 100644
index 0000000000..5eaaff652d
--- /dev/null
+++ b/cardano-cli/test/cardano-cli-golden/files/golden/governance/drep/extended-key-signing/tx.signed
@@ -0,0 +1,5 @@
+{
+    "type": "Witnessed Tx ConwayEra",
+    "description": "Ledger Cddl Format",
+    "cborHex": "84a50081825820829e3fd4847f53f0291370fc900b24cc7c7cc4f69676bbed9ca6e281dae9d60a00018182581d6063a11787740d8c90b6d335eefb8bb2f9e23066a3340e8c89d31ed74e1a002b2d03021a000299bd031a010f14d904d901028184108200581c8f4fefcf28017a57b41517a67d56ef4c0dc04181a11d35178dd53f4c1a001e8480f6a10081825820b18eacea2003b68e39137545e9d42ce5bca133ca0334d6a75aa9cb1fd02be7ec5840051079704c9d41192356287965e189d9fe7f693693a72a454f34e6f1c27c5523fe4c8b841931a6d7bb0f59d09b0dcc406834f990845e115a7329ef4285d38208f5f6"
+}
diff --git a/cardano-cli/test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/drep.skey b/cardano-cli/test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/drep.skey
new file mode 100644
index 0000000000..b393520d68
--- /dev/null
+++ b/cardano-cli/test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/drep.skey
@@ -0,0 +1,5 @@
+{
+  "type": "DRepExtendedSigningKey_ed25519_bip32",
+  "description": "Delegate Representative Signing Key",
+  "cborHex": "588048b9578fe1a8fde546fcf5c134a7928b5213f3c2d49766becea5e3078a96354fb3ab263592401d61853957110a688cac3137649efba52994153fb6fd6b29c585b18eacea2003b68e39137545e9d42ce5bca133ca0334d6a75aa9cb1fd02be7ec90e91f5357e2c68949f0f09717c5b9809b6a74d5f87ea35383c82841f2357564"
+}
diff --git a/cardano-cli/test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/tx.body b/cardano-cli/test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/tx.body
new file mode 100644
index 0000000000..5d18cd3311
--- /dev/null
+++ b/cardano-cli/test/cardano-cli-golden/files/input/governance/drep/extended-key-signing/tx.body
@@ -0,0 +1,5 @@
+{
+    "type": "Unwitnessed Tx ConwayEra",
+    "description": "Ledger Cddl Format",
+    "cborHex": "84a50081825820829e3fd4847f53f0291370fc900b24cc7c7cc4f69676bbed9ca6e281dae9d60a00018182581d6063a11787740d8c90b6d335eefb8bb2f9e23066a3340e8c89d31ed74e1a002b2d03021a000299bd031a010f14d904d901028184108200581c8f4fefcf28017a57b41517a67d56ef4c0dc04181a11d35178dd53f4c1a001e8480f6a0f5f6"
+}