Baker Hostetler will join Bessemer Securities, Capital Guardian Trust and Victory Capital at 630 Fifth Ave./45 Rockefeller Plaza. The law firm signed a lease for 84,000 square feet on the ninth, 10 and 11th floors. It is an assignment of a lease between RCPI Landmark Properties LLC and Ropes & Gray LLP. The term is through 2012. Asking rents in the Class A, Plaza District office tower were $69 to $90.