In 378 career NHL regular-season games, all with Anaheim, Ryan has accumulated 147 goals and 142 assists for 289 points.
He was originally drafted second-overall by the Ducks in the 2005 NHL Entry Draft.
Silfverberg, 22, collected 10 goals and nine assists for 19 points in 48 games with the Senators this past season.
He was selected by the Sens in the second-round (39th overall) of the 2009 NHL Entry Draft.
Noesen, 20, was drafted 21st overall by Ottawa in 2011.