After signing an exploratory one-year deal last summer, Hillen played well enough to earn himself a two-year extension.
The Penguins have won just three of their seven playoff series since winning the Cup in 2009.
Adam McQuaid scored early in the third period, Tuukka Rask posted his second shutout of the series, and the Boston Bruins swept their way to the Stanley Cup finals with a 1-0 win over the Pittsburgh Penguins on Friday night.
The Bruins and Blackhawks are one win away from meeting in the Stanley Cup Final. Here's why.