On October 29, 2020, Thomas C. Ruffing, Managing Director, Head of Asset Management, of Blackstone Mortgage Trust, Inc. (the “Company” or “BXMT”), gave notice of his resignation to the Board of Directors (the “Board”) of the company, effective as of December 31, 2020 (the “Retirement Date”). Mr. Ruffing’s resignation from the Company coincides with his retirement from Blackstone. Concurrently with Mr. Ruffing’s resignation, the Board appointed Robert Sitman to serve as the Company’s Managing Director, Head of Asset Management, effective as of the Retirement Date. Mr. Sitman, is a Managing Director of the Blackstone Real Estate Debt Strategies (“BREDS”) group and is primarily responsible for the legal aspects of originating, structuring, executing and asset managing real estate debt investments.