 COLUMBIA, Md.--BUSINESS WIRE--Corporate Office Properties Trust COPT or the Company NYSE: OFC announces the formation of a new joint venture with funds affiliated with Blackstone Real Estate the Joint Venture. The Joint Venture acquired a 90 interest in two single-tenant, data center shell properties totaling 432,000 square feet and valued at 119 million. COPT received approximately 107 million of equity proceeds it will deploy into its 1.7 million square foot pipeline of activ 