Mangiapane, 27, has played in every possible game for the Flames in each of the past three seasons.
He had a breakout season in 2021-22 when he set career highs in goals (35) and points (55) over 82 games as the Flames won the Pacific Division. He scored less in 2022-23 but had a career-best 26 assists to go with 17 goals as Calgary missed the Stanley Cup playoffs.
In six NHL seasons, all spent with the Flames, Mangiapane, a former sixth-round draft pick, has totaled 175 points (95 goals, 80 assists) in 342 appearances.