Exaugustus Boiοannes (), son of the famous Basil Boioannes, was also a catepan of Italy, from 1041 to 1042. He replaced Michael Doukeianos after the latter's disgrace in defeat at Montemaggiore on May 4. Boioannes did not have the levies and reinforcements that Doukeianos had had at his command. He arrived only with a Varangian contingent. Boioannes decided on trying to isolate the Lombard rebels in Melfi by camping near Montepeloso. According to William of Apulia, prior to battle Exaugustus made a speech to the troops as follows: