diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index e3b4c661da..7a8f7c7c60 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -5,6 +5,10 @@
             {
                 "note": "Update ganache snapshot Exchange Proxy addresses",
                 "pr": 2612
+            },
+            {
+                "note": "Add EP flash wallet and affiliate fee transformer",
+                "pr": 2622
             }
         ]
     },
diff --git a/packages/contract-addresses/addresses.json b/packages/contract-addresses/addresses.json
index 373ab42e37..9f5ed6f4fe 100644
--- a/packages/contract-addresses/addresses.json
+++ b/packages/contract-addresses/addresses.json
@@ -37,10 +37,12 @@
         "exchangeProxy": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
         "exchangeProxyAllowanceTarget": "0xf740b67da229f2f10bcbd38a7979992fcc71b8eb",
         "exchangeProxyTransformerDeployer": "0x80a36559ab9a497fb658325ed771a584eb0f13da",
+        "exchangeProxyFlashWallet": "0x22f9dcf4647084d6c31b2765f6910cd85c178c18",
         "transformers": {
             "wethTransformer": "0x7bab5f7299e1ca123bb44eb71e6c89be7e558cc8",
             "payTakerTransformer": "0xe8c07a119452b55eee2f999478aab97f3656d841",
-            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a"
+            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a",
+            "affiliateFeeTransformer": "0x9d7174f55b50dad2e417bd567ad2da1ae4eef76d"
         }
     },
     "3": {
@@ -81,10 +83,12 @@
         "exchangeProxy": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
         "exchangeProxyAllowanceTarget": "0xf740b67da229f2f10bcbd38a7979992fcc71b8eb",
         "exchangeProxyTransformerDeployer": "0x80a36559ab9a497fb658325ed771a584eb0f13da",
+        "exchangeProxyFlashWallet": "0x22f9dcf4647084d6c31b2765f6910cd85c178c18",
         "transformers": {
             "wethTransformer": "0x7bab5f7299e1ca123bb44eb71e6c89be7e558cc8",
             "payTakerTransformer": "0xe8c07a119452b55eee2f999478aab97f3656d841",
-            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a"
+            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a",
+            "affiliateFeeTransformer": "0x9d7174f55b50dad2e417bd567ad2da1ae4eef76d"
         }
     },
     "4": {
@@ -125,10 +129,12 @@
         "exchangeProxy": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
         "exchangeProxyAllowanceTarget": "0xf740b67da229f2f10bcbd38a7979992fcc71b8eb",
         "exchangeProxyTransformerDeployer": "0x80a36559ab9a497fb658325ed771a584eb0f13da",
+        "exchangeProxyFlashWallet": "0x22f9dcf4647084d6c31b2765f6910cd85c178c18",
         "transformers": {
             "wethTransformer": "0x7bab5f7299e1ca123bb44eb71e6c89be7e558cc8",
             "payTakerTransformer": "0xe8c07a119452b55eee2f999478aab97f3656d841",
-            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a"
+            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a",
+            "affiliateFeeTransformer": "0x9d7174f55b50dad2e417bd567ad2da1ae4eef76d"
         }
     },
     "42": {
@@ -169,10 +175,12 @@
         "exchangeProxy": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
         "exchangeProxyAllowanceTarget": "0xf740b67da229f2f10bcbd38a7979992fcc71b8eb",
         "exchangeProxyTransformerDeployer": "0x80a36559ab9a497fb658325ed771a584eb0f13da",
+        "exchangeProxyFlashWallet": "0x22f9dcf4647084d6c31b2765f6910cd85c178c18",
         "transformers": {
             "wethTransformer": "0x7bab5f7299e1ca123bb44eb71e6c89be7e558cc8",
             "payTakerTransformer": "0xe8c07a119452b55eee2f999478aab97f3656d841",
-            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a"
+            "fillQuoteTransformer": "0x9b81a08ef144e7aa4925f7fd77da1e1b3990e59a",
+            "affiliateFeeTransformer": "0x9d7174f55b50dad2e417bd567ad2da1ae4eef76d"
         }
     },
     "1337": {
@@ -213,10 +221,12 @@
         "exchangeProxy": "0x4b8ce0fa221284de4aaa09be3e7bf6193444b786",
         "exchangeProxyAllowanceTarget": "0xd6724bf180441a89d08ea3aeded2c995180b9a04",
         "exchangeProxyTransformerDeployer": "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+        "exchangeProxyFlashWallet": "0xdec8629610e2f4087bd9cc441d10ca8be0c6f6c5",
         "transformers": {
             "wethTransformer": "0xb125995f5a4766c451cd8c34c4f5cac89b724571",
             "payTakerTransformer": "0x10a736a7b223f1fe1050264249d1abb975741e75",
-            "fillQuoteTransformer": "0x33def1aa867be09809f3a01ce41d5ec1888846c9"
+            "fillQuoteTransformer": "0x33def1aa867be09809f3a01ce41d5ec1888846c9",
+            "affiliateFeeTransformer": "0xc7124963ab16c33e5bf421d4c0090116622b3074"
         }
     }
 }
diff --git a/packages/contract-addresses/src/index.ts b/packages/contract-addresses/src/index.ts
index 1a7830d01e..56061e001a 100644
--- a/packages/contract-addresses/src/index.ts
+++ b/packages/contract-addresses/src/index.ts
@@ -38,10 +38,12 @@ export interface ContractAddresses {
     exchangeProxy: string;
     exchangeProxyAllowanceTarget: string;
     exchangeProxyTransformerDeployer: string;
+    exchangeProxyFlashWallet: string;
     transformers: {
         wethTransformer: string;
         payTakerTransformer: string;
         fillQuoteTransformer: string;
+        affiliateFeeTransformer: string;
     };
 }