Sen. Benjamin Cardin (Md.) will join the Finance Committee, becoming the only Democrat to be added to the powerful panel.
Democratic membership on the Foreign Relations panel dropped from 11 to 10. Republicans added one seat, bringing their total representation on the panel to nine lawmakers — including freshman Sens. Marco Rubio (Fla.) and Mike Lee (Utah).
Senate Judiciary Committee Democrats lost two seats from the panel, bringing their total to 10, while Republicans gained one seat. Coons and Blumenthal were added to the panel on the Democratic side; Lee was added to the Republican roster.
The Senate Democratic and Republican conferences are scheduled Thursday afternoon to complete their work on new committee ratios, as well as who will serve on each of the panels.
Several Republicans — especially those beginning their first terms — had complained that the delay in receiving committee assignments had hindered their offices’ ability to organize.
McConnell began calling Republicans on Tuesday night to inform them of their committee assignments, several GOP aides confirmed Wednesday.
Vice President Joe Biden waits to conduct a mock swearing-in ceremony with Sen. Brian Schatz, D-Hawaii, in the Capitol's Old Senate Chamber, December 2, 2014. Schatz was sworn in to serve the remainder of his term since he was appointed to the seat after Sen. Daniel Inouye, D-Hawaii, passed away.