NEC Corp says that in its year to March 31, computer and peripherals sales rose 12.7% at $8,320m, telecommunications equipment sales rose 5.6% to $5,778m and semiconductor sales rose 13.2% at $3,467m; exports fell 1.8% to $4,730m to account for 25.7% of the total, a decline from 28.3% in fiscal 1987.