diff --git a/App/Controllers/Kit/KitController.asp b/App/Controllers/Kit/KitController.asp
index 0b176ff..561086e 100644
--- a/App/Controllers/Kit/KitController.asp
+++ b/App/Controllers/Kit/KitController.asp
@@ -105,7 +105,7 @@ Class KitController
 		set Model.StidDropDown = SettingsRepository.GetStidDropDownRS()
 		set Model.ColorsDropDown = ColorsRepository.GetColorsDropDownRS()
 		set Model.Precincts = PurpleEnvelopeReportHelper().SortPrecinctColorRows(InkjetRecordsRepository.GetDistinctPrecinctsByKitId(id))
-		set Model.PrecinctBallotRanges = PurpleEnvelopeReportHelper().SortPrecinctBallotRangeRows(InkjetRecordsRepository.GetPrecinctBallotRangesByKitId(id))
+		set Model.PrecinctBallotRanges = PurpleEnvelopeReportHelper().BuildBallotRangesWithMissing(InkjetRecordsRepository.GetBallotNumbersByKitId(id))
 		On Error Resume Next
 		Model.PurpleEnvelopeElectionLabel = PurpleEnvelopeReportHelper().FormatElectionLabel(SettingsRepository.FindByName("Electiondate"))
 		If Err.Number <> 0 Then
diff --git a/App/DomainModels/InkjetRecordsRepository.asp b/App/DomainModels/InkjetRecordsRepository.asp
index 9ae3346..97689bd 100644
--- a/App/DomainModels/InkjetRecordsRepository.asp
+++ b/App/DomainModels/InkjetRecordsRepository.asp
@@ -340,6 +340,12 @@ Class InkjetRecordsRepository_Class
 		set GetDistinctPrecinctsByKitId = rs
 	End Function
 
+	Public Function GetBallotNumbersByKitId(KitID)
+		dim sql : sql = "SELECT [PRECINCT], [BALLOT_NUMBER] FROM [InkjetRecords] WHERE [KitID] = ?"
+		dim rs : set rs = DAL.Query(sql, KitID)
+		set GetBallotNumbersByKitId = rs
+	End Function
+
 	Public Function GetPrecinctBallotRangesByKitId(KitID)
 		dim sql : sql = "SELECT [PRECINCT], MIN(VAL([BALLOT_NUMBER])) AS [LowBallotNumber], MAX(VAL([BALLOT_NUMBER])) AS [HighBallotNumber] " &_
 					 "FROM [InkjetRecords] " &_
diff --git a/App/DomainModels/PurpleEnvelopeReportHelper.asp b/App/DomainModels/PurpleEnvelopeReportHelper.asp
index 4dfaa79..12766dd 100644
--- a/App/DomainModels/PurpleEnvelopeReportHelper.asp
+++ b/App/DomainModels/PurpleEnvelopeReportHelper.asp
@@ -80,6 +80,101 @@ Class PurpleEnvelopeReportHelper_Class
 		set SortPrecinctBallotRangeRows = list
 	End Function
 
+	Public Function BuildBallotRangesWithMissing(ByVal rs)
+		' Groups raw PRECINCT/BALLOT_NUMBER rows by precinct, extracts last 4 digits of
+		' the numeric portion (matching the PowerShell InkjetRecords analysis script),
+		' computes min/max and any missing numbers in that range, then returns rows
+		' sorted by precinct in descending order.
+		dim precinctNums : set precinctNums = CreateObject("Scripting.Dictionary")
+		dim precinct, rawNum, digits, i, ch, last4Str
+
+		Do Until rs.EOF
+			precinct = Trim(rs("PRECINCT") & "")
+			rawNum   = rs("BALLOT_NUMBER") & ""
+
+			digits = ""
+			For i = 1 To Len(rawNum)
+				ch = Mid(rawNum, i, 1)
+				If ch >= "0" And ch <= "9" Then digits = digits & ch
+			Next
+
+			If Len(digits) >= 4 Then
+				last4Str = Mid(digits, Len(digits) - 3, 4)
+				If precinctNums.Exists(precinct) Then
+					precinctNums(precinct) = precinctNums(precinct) & "," & last4Str
+				Else
+					precinctNums.Add precinct, last4Str
+				End If
+			End If
+			rs.MoveNext
+		Loop
+
+		If precinctNums.Count = 0 Then
+			set BuildBallotRangesWithMissing = new LinkedList_Class
+			Exit Function
+		End If
+
+		dim keys       : keys       = precinctNums.Keys
+		dim itemCount  : itemCount  = precinctNums.Count - 1
+		dim items()
+		ReDim items(itemCount)
+
+		dim k, j, n
+		dim numStrs, numArr, minVal, maxVal, presenceDict, missingList, missingCount, row
+
+		For k = 0 To itemCount
+			precinct = keys(k)
+			numStrs  = Split(precinctNums(precinct), ",")
+
+			ReDim numArr(UBound(numStrs))
+			For j = 0 To UBound(numStrs)
+				numArr(j) = CLng(numStrs(j))
+			Next
+
+			minVal = numArr(0)
+			maxVal = numArr(0)
+			For j = 1 To UBound(numArr)
+				If numArr(j) < minVal Then minVal = numArr(j)
+				If numArr(j) > maxVal Then maxVal = numArr(j)
+			Next
+
+			set presenceDict = CreateObject("Scripting.Dictionary")
+			For j = 0 To UBound(numArr)
+				If Not presenceDict.Exists(numArr(j)) Then
+					presenceDict.Add numArr(j), True
+				End If
+			Next
+
+			missingList  = ""
+			missingCount = 0
+			For n = minVal To maxVal
+				If Not presenceDict.Exists(n) Then
+					missingCount = missingCount + 1
+					If Len(missingList) > 0 Then missingList = missingList & ", "
+					missingList = missingList & CStr(n)
+				End If
+			Next
+
+			set row = new PrecinctBallotRangeRow_ViewModel_Class
+			row.PRECINCT        = precinct
+			row.LowBallotNumber  = minVal
+			row.HighBallotNumber = maxVal
+			row.MissingCount    = missingCount
+			row.MissingNumbers  = missingList
+			Set items(k) = row
+		Next
+
+		SortPrecinctItems items
+
+		dim list : set list = new LinkedList_Class
+		' Iterate in reverse for descending precinct order
+		For k = UBound(items) To 0 Step -1
+			list.Push items(k)
+		Next
+
+		set BuildBallotRangesWithMissing = list
+	End Function
+
 	Private Sub SortPrecinctItems(ByRef items)
 		If Not IsArray(items) Then Exit Sub
 
diff --git a/App/ViewModels/KitViewModels.asp b/App/ViewModels/KitViewModels.asp
index ca86e49..9022437 100644
--- a/App/ViewModels/KitViewModels.asp
+++ b/App/ViewModels/KitViewModels.asp
@@ -35,6 +35,8 @@ Class PrecinctBallotRangeRow_ViewModel_Class
 		Public PRECINCT
 		Public LowBallotNumber
 		Public HighBallotNumber
+		Public MissingCount
+		Public MissingNumbers
 End Class
 
 Class SwitchBoard_PurpleEnvelopesViewModel_Class
diff --git a/App/Views/Kit/SwitchBoardPurpleEnvelopeEdit.asp b/App/Views/Kit/SwitchBoardPurpleEnvelopeEdit.asp
index 750bc48..880e222 100644
--- a/App/Views/Kit/SwitchBoardPurpleEnvelopeEdit.asp
+++ b/App/Views/Kit/SwitchBoardPurpleEnvelopeEdit.asp
@@ -214,12 +214,14 @@
 					<table class="table table-striped table-bordered mb-0">
 						<thead>
 							<tr class="print-page-spacer" aria-hidden="true">
-								<th colspan="3"></th>
+								<th colspan="5"></th>
 							</tr>
 							<tr>
 								<th>Precinct</th>
 								<th class="num">Low Ballot Number</th>
 								<th class="num">High Ballot Number</th>
+								<th class="num">Missing Count</th>
+								<th>Missing Numbers</th>
 							</tr>
 						</thead>
 						<tbody>
@@ -234,13 +236,15 @@
 								<td><%= H(ballotRangeRow.PRECINCT) %></td>
 								<td class="num"><%= H(ballotRangeRow.LowBallotNumber) %></td>
 								<td class="num"><%= H(ballotRangeRow.HighBallotNumber) %></td>
+								<td class="num"><% If ballotRangeRow.MissingCount > 0 Then %><strong><%= H(ballotRangeRow.MissingCount) %></strong><% Else %>0<% End If %></td>
+								<td><small><%= H(ballotRangeRow.MissingNumbers) %></small></td>
 							</tr>
 						<%
 							Loop
 						Else
 						%>
 							<tr>
-								<td colspan="3">No precinct ballot data found for this kit.</td>
+								<td colspan="5">No precinct ballot data found for this kit.</td>
 							</tr>
 						<%
 						End If