diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
index a539bb568c..6c333ca2f9 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.c
@@ -5042,6 +5042,220 @@ PrintInterpretedExtendedCompatibilityAer (
   return (EFI_SUCCESS);
 }
 
+/**
+  Function to interpret and print out the multicast structure
+
+  @param[in] HeaderAddress        The Address of this capability header.
+  @param[in] HeadersBaseAddress   The address of all the extended capability headers.
+  @param[in] PciExpressCapPtr     The address of the PCIe capabilities structure.
+**/
+EFI_STATUS
+EFIAPI
+PrintInterpretedExtendedCompatibilityMulticast (
+  IN CONST PCI_EXP_EXT_HDR *HeaderAddress,
+  IN CONST PCI_EXP_EXT_HDR *HeadersBaseAddress,
+  IN CONST PCIE_CAP_STURCTURE *PciExpressCapPtr
+  )
+{
+  CONST PCI_EXPRESS_EXTENDED_CAPABILITIES_MULTICAST *Header;
+  Header = (PCI_EXPRESS_EXTENDED_CAPABILITIES_MULTICAST*)HeaderAddress;
+
+  ShellPrintHiiEx(
+    -1, -1, NULL, 
+    STRING_TOKEN (STR_PCI_EXT_CAP_MULTICAST), 
+    gShellDebug1HiiHandle, 
+    Header->MultiCastCapability,
+    Header->MulticastControl,
+    Header->McBaseAddress,
+    Header->McReceiveAddress,
+    Header->McBlockAll,
+    Header->McBlockUntranslated,
+    Header->McOverlayBar
+    );
+
+  DumpHex (
+    4,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)HeaderAddress - (UINT8*)HeadersBaseAddress),
+    sizeof(PCI_EXPRESS_EXTENDED_CAPABILITIES_MULTICAST),
+    (VOID *) (HeaderAddress)
+    );
+
+  return (EFI_SUCCESS);
+}
+
+/**
+  Function to interpret and print out the virtual channel and multi virtual channel structure
+
+  @param[in] HeaderAddress        The Address of this capability header.
+  @param[in] HeadersBaseAddress   The address of all the extended capability headers.
+**/
+EFI_STATUS
+EFIAPI
+PrintInterpretedExtendedCompatibilityVirtualChannel (
+  IN CONST PCI_EXP_EXT_HDR *HeaderAddress,
+  IN CONST PCI_EXP_EXT_HDR *HeadersBaseAddress
+  )
+{
+  CONST PCI_EXPRESS_EXTENDED_CAPABILITIES_VIRTUAL_CHANNEL_CAPABILITY  *Header;
+  CONST PCI_EXPRESS_EXTENDED_CAPABILITIES_VIRTUAL_CHANNEL_VC          *CapabilityItem;
+  UINT32                                                              ItemCount;
+  Header = (PCI_EXPRESS_EXTENDED_CAPABILITIES_VIRTUAL_CHANNEL_CAPABILITY*)HeaderAddress;
+
+  ShellPrintHiiEx(
+    -1, -1, NULL, 
+    STRING_TOKEN (STR_PCI_EXT_CAP_VC_BASE), 
+    gShellDebug1HiiHandle, 
+    Header->ExtendedVcCount,
+    Header->PortVcCapability1,
+    Header->PortVcCapability2,
+    Header->VcArbTableOffset,
+    Header->PortVcControl,
+    Header->PortVcStatus
+    );
+  for (ItemCount = 0 ; ItemCount < Header->ExtendedVcCount ; ItemCount++) {
+    CapabilityItem = &Header->Capability[ItemCount];
+    ShellPrintHiiEx(
+      -1, -1, NULL, 
+      STRING_TOKEN (STR_PCI_EXT_CAP_VC_ITEM), 
+      gShellDebug1HiiHandle, 
+      ItemCount+1,
+      CapabilityItem->VcResourceCapability,
+      CapabilityItem->PortArbTableOffset,
+      CapabilityItem->VcResourceControl,
+      CapabilityItem->VcResourceStatus
+      );
+  }
+
+  DumpHex (
+    4,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)HeaderAddress - (UINT8*)HeadersBaseAddress),
+    sizeof(PCI_EXPRESS_EXTENDED_CAPABILITIES_VIRTUAL_CHANNEL_VC) + (Header->ExtendedVcCount - 1) * sizeof(PCI_EXPRESS_EXTENDED_CAPABILITIES_VIRTUAL_CHANNEL_CAPABILITY),
+    (VOID *) (HeaderAddress)
+    );
+
+  return (EFI_SUCCESS);
+}
+
+/**
+  Function to interpret and print out the resizeable bar structure
+
+  @param[in] HeaderAddress        The Address of this capability header.
+  @param[in] HeadersBaseAddress   The address of all the extended capability headers.
+**/
+EFI_STATUS
+EFIAPI
+PrintInterpretedExtendedCompatibilityResizeableBar (
+  IN CONST PCI_EXP_EXT_HDR *HeaderAddress,
+  IN CONST PCI_EXP_EXT_HDR *HeadersBaseAddress
+  )
+{
+  CONST PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR        *Header;
+  UINT32                                                       ItemCount;
+  Header = (PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR*)HeaderAddress;
+
+  for (ItemCount = 0 ; ItemCount < (UINT32)GET_NUMBER_RESIZABLE_BARS(Header) ; ItemCount++) {
+    ShellPrintHiiEx(
+      -1, -1, NULL, 
+      STRING_TOKEN (STR_PCI_EXT_CAP_RESIZE_BAR), 
+      gShellDebug1HiiHandle, 
+      ItemCount+1,
+      Header->Capability[ItemCount].ResizableBarCapability,
+      Header->Capability[ItemCount].ResizableBarControl
+      );
+  }
+
+  DumpHex (
+    4,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)HeaderAddress - (UINT8*)HeadersBaseAddress),
+    (UINT32)GET_NUMBER_RESIZABLE_BARS(Header) * sizeof(PCI_EXPRESS_EXTENDED_CAPABILITIES_RESIZABLE_BAR_ENTRY),
+    (VOID *) (HeaderAddress)
+    );
+
+  return (EFI_SUCCESS);
+}
+
+/**
+  Function to interpret and print out the TPH structure
+
+  @param[in] HeaderAddress        The Address of this capability header.
+  @param[in] HeadersBaseAddress   The address of all the extended capability headers.
+**/
+EFI_STATUS
+EFIAPI
+PrintInterpretedExtendedCompatibilityTph (
+  IN CONST PCI_EXP_EXT_HDR *HeaderAddress,
+  IN CONST PCI_EXP_EXT_HDR *HeadersBaseAddress
+  )
+{
+  CONST PCI_EXPRESS_EXTENDED_CAPABILITIES_TPH *Header;
+  Header = (PCI_EXPRESS_EXTENDED_CAPABILITIES_TPH*)HeaderAddress;
+
+  ShellPrintHiiEx(
+    -1, -1, NULL, 
+    STRING_TOKEN (STR_PCI_EXT_CAP_TPH), 
+    gShellDebug1HiiHandle, 
+    Header->TphRequesterCapability,
+    Header->TphRequesterControl
+    );
+  DumpHex (
+    8,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)Header->TphStTable - (UINT8*)HeadersBaseAddress),
+    GET_TPH_TABLE_SIZE(Header),
+    (VOID *)Header->TphStTable
+    );
+
+  DumpHex (
+    4,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)HeaderAddress - (UINT8*)HeadersBaseAddress),
+    sizeof(PCI_EXPRESS_EXTENDED_CAPABILITIES_TPH) + GET_TPH_TABLE_SIZE(Header) - sizeof(UINT16),
+    (VOID *) (HeaderAddress)
+    );
+
+  return (EFI_SUCCESS);
+}
+
+/**
+  Function to interpret and print out the secondary PCIe capability structure
+
+  @param[in] HeaderAddress        The Address of this capability header.
+  @param[in] HeadersBaseAddress   The address of all the extended capability headers.
+  @param[in] PciExpressCapPtr     The address of the PCIe capabilities structure.
+**/
+EFI_STATUS
+EFIAPI
+PrintInterpretedExtendedCompatibilitySecondary (
+  IN CONST PCI_EXP_EXT_HDR *HeaderAddress,
+  IN CONST PCI_EXP_EXT_HDR *HeadersBaseAddress,
+  IN CONST PCIE_CAP_STURCTURE *PciExpressCapPtr
+  )
+{
+  CONST PCI_EXPRESS_EXTENDED_CAPABILITIES_SECONDARY_PCIE *Header;
+  Header = (PCI_EXPRESS_EXTENDED_CAPABILITIES_SECONDARY_PCIE*)HeaderAddress;
+
+  ShellPrintHiiEx(
+    -1, -1, NULL, 
+    STRING_TOKEN (STR_PCI_EXT_CAP_SECONDARY), 
+    gShellDebug1HiiHandle, 
+    Header->LinkControl3,
+    Header->LaneErrorStatus
+    );
+  DumpHex (
+    8,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)Header->EqualizationControl - (UINT8*)HeadersBaseAddress),
+    PCIE_CAP_MAX_LINK_WIDTH(PciExpressCapPtr->LinkCap),
+    (VOID *)Header->EqualizationControl
+    );
+
+  DumpHex (
+    4,
+    EFI_PCIE_CAPABILITY_BASE_OFFSET + ((UINT8*)HeaderAddress - (UINT8*)HeadersBaseAddress),
+    sizeof(PCI_EXPRESS_EXTENDED_CAPABILITIES_TPH) - sizeof(Header->EqualizationControl) + PCIE_CAP_MAX_LINK_WIDTH(PciExpressCapPtr->LinkCap),
+    (VOID *) (HeaderAddress)
+    );
+
+  return (EFI_SUCCESS);
+}
+
 /**
   Display Pcie extended capability details
 
@@ -5094,26 +5308,25 @@ PrintPciExtendedCapabilityDetails(
     case PCI_EXPRESS_EXTENDED_CAPABILITY_EVENT_COLLECTOR_ENDPOINT_ASSOCIATION_ID:
       return PrintInterpretedExtendedCompatibilityECEA(HeaderAddress, HeadersBaseAddress);
       break;
-/**
     case PCI_EXPRESS_EXTENDED_CAPABILITY_VIRTUAL_CHANNEL_ID:
     case PCI_EXPRESS_EXTENDED_CAPABILITY_MULTI_FUNCTION_VIRTUAL_CHANNEL_ID:
-      ASSERT(FALSE);
+      return PrintInterpretedExtendedCompatibilityVirtualChannel(HeaderAddress, HeadersBaseAddress);
       break;
     case PCI_EXPRESS_EXTENDED_CAPABILITY_MULTICAST_ID: 
-// use PCIE_CAP_DEVICEPORT_TYPE(PciExpressCapPtr->PcieCapReg) == 0100b, 0101b, or 0110b
-      ASSERT(FALSE);
+      //
+      // should only be present if PCIE_CAP_DEVICEPORT_TYPE(PciExpressCapPtr->PcieCapReg) == 0100b, 0101b, or 0110b
+      //
+      return PrintInterpretedExtendedCompatibilityMulticast(HeaderAddress, HeadersBaseAddress, PciExpressCapPtr);
       break;
     case PCI_EXPRESS_EXTENDED_CAPABILITY_RESIZABLE_BAR_ID:
-      ASSERT(FALSE);
+      return PrintInterpretedExtendedCompatibilityResizeableBar(HeaderAddress, HeadersBaseAddress);
       break;
     case PCI_EXPRESS_EXTENDED_CAPABILITY_TPH_ID:
-      ASSERT(FALSE);
+      return PrintInterpretedExtendedCompatibilityTph(HeaderAddress, HeadersBaseAddress);
       break;
     case PCI_EXPRESS_EXTENDED_CAPABILITY_SECONDARY_PCIE_ID:
- // use PciExpressCapPtr link capabilities register
-     ASSERT(FALSE);
+      return PrintInterpretedExtendedCompatibilitySecondary(HeaderAddress, HeadersBaseAddress, PciExpressCapPtr);
       break;
-//**/
     default:
       ShellPrintEx (-1, -1,
         L"Unknown PCIe extended capability ID (%04xh).  No interpretation available.\r\n",
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.uni b/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.uni
index ba4c470aa2..65d058fc4b 100644
Binary files a/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.uni and b/ShellPkg/Library/UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.uni differ