DALLAS — Equastone has brokered a lease for 98,894 square feet at Stemmons Place, an office tower located at 2777 N. Stemmons Fwy. in Dallas. Children’s Medical Center Dallas is the 20-story building’s newest tenant, signing a 10-year lease at the 634,381-square-foot office tower for an undisclosed amount. The Class A property is now more than 80 percent leased as a result of the transaction. Josh White, Carl Ewert and Brad Selner of Staubach represented the tenant in the transaction, and Reid Caldwell, Kim Butler and Linda Simpson of Transwestern represented the landlord.