diff --git a/MdePkg/Include/Common/BootScript.h b/MdePkg/Include/Common/BootScript.h
index 0015988e75..59d71c1f79 100644
--- a/MdePkg/Include/Common/BootScript.h
+++ b/MdePkg/Include/Common/BootScript.h
@@ -35,6 +35,7 @@
 #define EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE          0x06
 #define EFI_BOOT_SCRIPT_STALL_OPCODE                  0x07
 #define EFI_BOOT_SCRIPT_DISPATCH_OPCODE               0x08
+#define EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE             0x09
 
 #define EFI_BOOT_SCRIPT_TABLE_OPCODE                  0xAA
 #define EFI_BOOT_SCRIPT_TERMINATE_OPCODE              0xFF
@@ -171,9 +172,15 @@ typedef struct {
   UINT16                OpCode;
   UINT8                 Length;
   EFI_PHYSICAL_ADDRESS  EntryPoint;
-  EFI_PHYSICAL_ADDRESS  Context;
 } EFI_BOOT_SCRIPT_DISPATCH;
 
+typedef struct {
+  UINT16                OpCode;
+  UINT8                 Length;
+  EFI_PHYSICAL_ADDRESS  EntryPoint;
+  EFI_PHYSICAL_ADDRESS  Context;
+} EFI_BOOT_SCRIPT_DISPATCH_2;
+
 typedef struct {
   UINT16  OpCode;
   UINT8   Length;
@@ -191,6 +198,7 @@ typedef union {
   EFI_BOOT_SCRIPT_SMBUS_EXECUTE         *SmbusExecute;
   EFI_BOOT_SCRIPT_STALL                 *Stall;
   EFI_BOOT_SCRIPT_DISPATCH              *Dispatch;
+  EFI_BOOT_SCRIPT_DISPATCH_2            *Dispatch2;  
   EFI_BOOT_SCRIPT_TERMINATE             *Terminate;
   EFI_BOOT_SCRIPT_COMMON_HEADER         *CommonHeader;
   UINT8                                 *Raw;