UFC heavyweight champion Brock Lesnar is the top earner at the pay-per-view event, receiving $400,000 to show for the headlining heavyweight unification rematch.
The main event salaries were disclosed on Saturday by Yahoo! Sports Kevin Iole via Twitter.
Mir would make $90,000 ($45,000 to show, $45,000 to win) should he defeat Lesnar for the second-straight time.
UFC welterweight champ Georges St-Pierre could tie Lesnar atop the events official payroll with a win over challenger Thiago Alves, as hes slated to make $200,000 to show and an additional $200,000 to win the co-headliner.
The official salaries for Lesnar-Mir, GSP-Alves, and Dan Henderson vs. Michael Bisping are:
* Brock Lesnar ($400,000 to show) vs. Frank Mir ($45,000 to show, $45,000 to win)
* Georges St-Pierre ($200,000 to show, $200,000 to win) vs. Thiago Alves ($60,000 to show, $60,000 to win)
* Michael Bisping ($150,000 to show, $100,000 to win) vs. Dan Henderson ($100,000 to show, $150,000 to win)
In related news, UFC President Dana White has announced that the Fight Night bonuses for UFC 100 will be a record $100,000 apiece.