  The twist-3 contribution, consisting of twist-2 transversity generalized
parton distributions (GPDs) and a twist-3 meson wave function, to deeply
virtual pion electroproduction is discussed. The twist-3 meson wave function
includes both the $q\bar{q}$ and the $q\bar{q}g$ Fock components. Two methods
to regularize the end-point singularities are introduced - quark transverse
momenta and a gluon mass. Using existing GPD parameterizations the transverse
and the transverse-transverse interference cross sections for $\pi^0$
production are calculated and compared to experimental data.
