CHICAGO—The East Loop has suffered the loss of some key tenantsrecently, but GlenStar Properties has kept addingtenants to its refurbished office space at 55 E. Monroe, inaddition to completing the sale of 215 condominiums on the upperfloors of the building. Regus, the world's largestshared office center operator, just became the latest company tosign a long-term lease, and will occupy 21,000-square-feet startingin January 2015.

“The popularity of, and demand for, shared and collaborativework environmentsis growing exponentially,” said GlenStar'sChristian Domin in a prepared statement. He wasnot available at press time, but GlobeSt.com will provide anupdate. “Regus is the leading the way worldwide and we are pleasedthey have chosen 55 as their latest location.”

55 East Monroe, which is owned by GlenStar Properties and itspartner Walton Street Capital, was represented byDomin, who has signed a flurry of deals in the past year. InAugust, for example, NORC at theUniversity of Chicago signed a 30,000-square-footlease expansion. In the last 12 months alone, the partners havesigned more than 140,000-square-feet of new deals. Tenants nowoccupy 88% of the office space.