Terms were not disclosed. Johnson and Jeanpierre were slated to be restricted free agents.
Jeanpierre, 26, started three regular season games at center for the Seahawks in 2013. He’s played in 47 regular season games for Seattle, starting eight.
The 25-year-old Johnson has appeared in 31 regular season games for Seattle in three seasons. He notched four special teams tackles and two defensive tackles in 2013, according to club statistics.