The presser, which is expected to stream online, begins at 2 p.m. ET (noon MDT local time) with doors opening a half hour earlier.
The event takes place at Flames Central (219 Eighth Street SW) in downtown Calgary. UFC president Dana White and UFC-Canada head Tom Wright are scheduled to attend.
Fans are also invited to the following day's open workouts at BDB Martial Arts (3300 14th Ave. NE) with UFC fighters Jason MacDonald, Nick Ring and Mitch Clarke, as well as Calgary Stampeders Eric Fraser and Corey Mace. The event begins at 11 a.m. MDT.
Currently, no fights are rumored for the UFC 149 card, which will be the UFC's first in Calgary.