Option Explicit
Sub TEST()
Dim Brr, Crr, i&, j&, xR, R&, T, A, Y, Z
Set Y = CreateObject("Scripting.Dictionary")
Set xR = Range([F1], Cells(Rows.Count, "A").End(3))
Brr = xR: Z = Array(, 2, 3, 5)
ReDim Crr(1 To UBound(Brr, 2))
For i = 1 To UBound(Brr)
A = Y(Brr(i, 1) & "")
If Not IsArray(A) Then
A = Crr
For j = 1 To UBound(Crr): A(j) = Brr(i, j): Next
Else
For j = 1 To 3: A(Z(j)) = A(Z(j)) + Brr(i, Z(j)): Next
End If
Y(Brr(i, 1) & "") = A
Next
xR.Offset(, 14).EntireColumn.ClearContents
xR.Item(1, 15).Resize(Y.Count, UBound(Crr)) = _
Application.Transpose(Application.Transpose(Y.Items))
End Sub