SEATTLE-The New York-based retirement fund TIAA-CREF pays $348 million for the 40-story, three-year-old Downtown office building here as part of a $1.47-billion five-property acquisition from National Office Partners, a limited partnership of Texas-based Hines and the California Public Employees Retirement System.

BURLINGTON, MA-The technology firm re-ups with a direct lease. Terms of the deal were not disclosed.

NORWALK, CT-In a move that will consolidate operations housed in four office locations in Fairfield County, the Interpublic Group of Companies, a major advertising and marketing services firm, has signed a lease for 110,000 sf of space.

CHARLESTOWN, MA-The medical technology firm renews for space at 500 Rutherford Ave. in the Hood Business Park.