International Launch Services (ILS) successfully inserted the Eutelsat 5 West B and the Mission Extension Vehicle-1 (MEV-1) satellites into their planned super-synchronous Transfer Orbits (SSTO) for Eutelsat of Paris, France, and SpaceLogistics LLC of Dulles, Virginia.

Source: First Proton of 2019 lofts Eutelsat 5WB, MEV-1 (Part II)