On June 20, 2023, the Board of Trustees of Peakstone Realty Trust promoted Ms. Nina Momtazee Sitzer, the Company’s Chief Legal and Administrative Officer, Executive Vice President – Operations, and Secretary, to Chief Operating Officer and Chief Legal Officer, effective June 23, 2023. The age of Ms. Sitzer is 55. On June 22, 2023, the Company and Mr. Scott Tausk, Executive Vice President of the Company, entered into a Separation and Consulting Agreement (the “Separation Agreement”), pursuant to which Mr. Tausk’s employment with the Company will terminate effective as of June 30, 2023 (the “Separation Date”) and the Company will engage Mr. Tausk as a consultant.