diff --git a/reactos/sdk/include/psdk/xinput.h b/reactos/sdk/include/psdk/xinput.h
index 98d23a30af7..ccdc0233431 100644
--- a/reactos/sdk/include/psdk/xinput.h
+++ b/reactos/sdk/include/psdk/xinput.h
@@ -170,11 +170,27 @@ typedef struct _XINPUT_GAMEPAD {
     SHORT sThumbRY;
 } XINPUT_GAMEPAD, *PXINPUT_GAMEPAD;
 
+typedef struct _XINPUT_GAMEPAD_EX {
+    WORD wButtons;
+    BYTE bLeftTrigger;
+    BYTE bRightTrigger;
+    SHORT sThumbLX;
+    SHORT sThumbLY;
+    SHORT sThumbRX;
+    SHORT sThumbRY;
+    DWORD dwPaddingReserved;
+} XINPUT_GAMEPAD_EX, *PXINPUT_GAMEPAD_EX;
+
 typedef struct _XINPUT_STATE {
     DWORD dwPacketNumber;
     XINPUT_GAMEPAD Gamepad;
 } XINPUT_STATE, *PXINPUT_STATE;
 
+typedef struct _XINPUT_STATE_EX {
+    DWORD dwPacketNumber;
+    XINPUT_GAMEPAD_EX Gamepad;
+} XINPUT_STATE_EX, *PXINPUT_STATE_EX;
+
 /*
  * Defines the structure of how much vibration is set on both the
  * right and left motors in a joystick. If you're not using a 360
@@ -232,6 +248,8 @@ DWORD WINAPI XInputGetCapabilities(DWORD, DWORD, XINPUT_CAPABILITIES*);
 DWORD WINAPI XInputGetDSoundAudioDeviceGuids(DWORD, GUID*, GUID*);
 DWORD WINAPI XInputGetBatteryInformation(DWORD, BYTE, XINPUT_BATTERY_INFORMATION*);
 
+DWORD WINAPI XInputGetStateEx(DWORD, XINPUT_STATE_EX*);
+
 #ifdef __cplusplus
 }
 #endif