Superscript part of formula

Hallo
I have this code:

.Caption = format(Date, "mmmm") & ", " & format(Date, "dd") & Mid("thstndrdth", (DatePart("d", Date) Mod 10) * 2 + 1, 2) & ", " & format(Date, "yyyy")

How get i the "thstndrdth" in Superscript?
Regards
Mark

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