Corporate Office Properties Trust, a real estate investment trust, and Blackstone agreed to form a joint venture to acquire interests in eight single-tenant, data center shell properties totaling 1.3m square feet and valued at $293m. "We are very pleased to expand our relationship with Blackstone. These transactions further confirm the value of our portfolio of strategically located data center shell properties and the value our development platform adds for shareholders," Stephen E. Budorick, COPT President and CEO.