https://www.nhl.com/flames/news/flam...?tid=282300716
no mention of 2 way or not
but right in the middle of the two asks.
Flames don't have walkaway rights so Kulak is signed.
update:
one way
Wes Gilbertson @WesGilbertson
Arbitrator has ruled on #Flames D Brett Kulak — a one-year deal worth US$900,000. It’s a one-way contract.