The hand-picked "unofficial" performance awards, published in Gerbasi's 400-page official UFC book entitled "UFC Encyclopedia - The Definitive Guide to the Ultimate Fighting Championship" in October 2011, were for events prior to the introduction of the UFC Bonus Awards in January 2006.
[1][2] The first documented UFC Bonus Awards event, where fighters received official cash bonuses, was on January 16, 2006 at Ultimate Fight Night 3.
[3] Gerbasi's book reviewed 63 events prior to that date as well as subsequent events that did not have bonuses, and noted the "unofficial" awards including the official UFC Bonus Awards.
The following categories were documented: Note: Due to multiple bouts from a fighter in one event, opponent information ("def.")
From that event up until the final event with unofficial awards at The Ultimate Fighter 3 Finale, unless specifically noted as "unofficial", all other bonuses listed are official, matching the ones on the Bonus Awards page.