Greg Chase scored twice in the loss for the Hitmen who opened their six game WHL pre-season schedule.
Radel Fazleev, Jake Bean and Terrell Draude also scored for Calgary with Fazleev adding a pair of assists for a team leading three points. Travis Sanheim and Elliott Peterson both chipped in pair of helpers for the Hitmen who opted for a young line-up, dressing only nine returning players from last season.
After falling behind 3-0, Calgary struck for five unanswered second period goals before the Pats bounced back in the third period.
The Hitmen carried most of the play outshooting Regina 43-20 but Daniel Wapple was strong for the Pats making 38 saves to record the win. Mack Shields and Kyle Dumba split the Hitmen goaltending duties.
Calgary was 3-8 on the powerplay while Regina went 1-5.
The Hitmen are back on the ice tomorrow (Saturday) to wrap up the Regina tournament with a 3pm start against the Prince Albert Raiders.
The 72 game 2014-15 regular season schedule begins on Saturday, September 20 with the Home Opener against the Red Deer Rebels. Game time is 7:00pm at Scotiabank Saddledome.
Calgary Hitmen season tickets for the 20th anniversary season are available now at the Scotiabank Saddledome box office. In appreciation for the continued support the Hitmen receive from the community, the purchase or renewal of select 2014-15 season ticket packages will include a complimentary premium 20th anniversary jersey. For more ticket information or to order a limited edition jersey, visit www.hitmen20.com or call 403-777-4646.