Still playing with alignment in the title page (bis)

texinputs/beamerthemetptnew.sty

@@ -80,6 +80,7 @@
       \ifx\insertsubtitle\@empty%
       \else%
       {%
+         \vspace{1em}%
          \usebeamercolor[fg]{subtitle}\usebeamerfont{subtitle}\raggedright{\insertsubtitle}\par
          \vfill
       }%