CHICAGO-The telecommunications firm is leasing 173,151 sf, or 18% of the office building near the intersection of Lake Street. MCI WorldCom will have 850 employees working there beginning in May.

DENVER-TCI has reaped $22.5 million for a decade-long investment in the 240,000-sf Terrace Tower II. The building's sale had been quietly slipped into year-end deals, with Maier & Siebel paying $37.5 million for the property.

STAMFORD, CT-The 482,852-sf International Paper Building has been sold for $105 million to 400 Atlantic Associates LLC, a partnership of three separate companies. International Paper will then lease space on four floors of the building.

SEATTLE, WA-A bright spot is Downtown Bellevue, site of four new office buildings in 2000, with 12 others in the works totaling some two million sf. The Downtown vacancy rate there is between 2.1% and 2.6%.