The company said net earnings last yearwere TWD 542.29m ($17.91m), compared to TWD 632.92m in 2012.
Revenue fell to TWD 2.77bn from TWD 3.16bnover the same period.
And operating costs were up at TWD 2.44bn,against TWD 2.41bn in the previous year.
Bulker owner Taiwan Navigation has posted a lower profit for 2013 as revenue declined.
The company said net earnings last yearwere TWD 542.29m ($17.91m), compared to TWD 632.92m in 2012.
Revenue fell to TWD 2.77bn from TWD 3.16bnover the same period.
And operating costs were up at TWD 2.44bn,against TWD 2.41bn in the previous year.