  We present a preliminary analysis of the photospheric activity of
CoRoT-Exo-2a, a young G7V star accompanied by a transiting hot Jupiter recently
discovered by CoRoT. We apply spot modelling techniques developed for the
analysis of the Sun as a star and capable to extract from CoRoT high precision
light curves information on the variation of the total spotted area and the
longitude of active regions along the 142 days of the observations. This
preliminary analysis shows that the active regions form within two active
longitudes separated by about 180 degrees and rotating with periods of 4.5221
and 4.5543 days, respectively, and that the total spotted area oscillates with
a period of about 28.9 days.
