Separation Agreement and General Release (November 2nd, 2016)

This Separation Agreement and General Release ("Agreement"), effective as of the date described in Section 12 below (the "Effective Date"), is made and entered into by and between Washington Real Estate Investment Trust ("Company") and Thomas C. Morey ("Executive").

PURCHASE AND SALE AGREEMENT Between (August 1st, 2016)

THIS PURCHASE AND SALE AGREEMENT ("Agreement") is dated as of this 26th day of April, 2016 (the "Effective Date"), and is made by and between each of the parties identified on Exhibit A-1 hereto (each, a "Seller", and collectively, and jointly and severally, the "Sellers"), and BSREP II Office Holdings LLC, a Delaware limited liability company (the "Purchaser").

Purchase and Sale Contract (August 1st, 2016)

THIS PURCHASE AND SALE CONTRACT (this "Contract") is entered into as of the 26th day of April, 2016 (the "Effective Date"), by and between AIMCO Riverside Park, L.L.C., a Delaware limited liability company, having an address at 4582 South Ulster Street, Suite 1100, Denver, Colorado 80237 ("Seller"), and WashREIT Riverside LLC, a Delaware limited liability company, having an address at c/o Washington Real Estate Investment Trust 1775 Eye Street, NW, Suite 1000, Washington, D.C. 20006 ("Purchaser").

PURCHASE AND SALE AGREEMENT Between (August 1st, 2016)

THIS PURCHASE AND SALE AGREEMENT ("Agreement") is dated as of this 26th day of April, 2016 (the "Effective Date"), and is made by and between each of the parties identified on Exhibit A-1 hereto (each, a "Seller", and collectively, and jointly and severally, the "Sellers"), and BSREP II Office Holdings LLC, a Delaware limited liability company (the "Purchaser").

First Amendment to Purchase and Sale Agreement (August 1st, 2016)

THIS FIRST AMENDMENT TO PURCHASE AND SALE AGREEMENT (this "Amendment") is made effective as of the 3rd day of June, 2016, by and between each of the parties identified as Sellers on the signature pages attached hereto (individually and collectively, "Sellers"), and BSREP II Office Holdings LLC, a Delaware limited liability company ("Purchaser").

April 5, 2014 (March 2nd, 2015)

This letter is written on behalf of Washington Real Estate Investment Trust (Washington REIT) and will confirm our verbal offer to you to join us as Executive Vice President and Chief Operating Officer on April 21, 2014. In this position, you will report to Mr. Paul McDermott, President and Chief Executive Officer.

January 18, 2015 2410 Stryker Avenue (March 2nd, 2015)

This letter is written on behalf of Washington Real Estate Investment Trust (Washington REIT) and will confirm our verbal offer to you to join us as Executive Vice President and Chief Financial Officer elect, on February 17, 2015. Immediately following the filing of the 2014 SEC Form 10-K, the Board of Trustees will formally confirm your appointment as CFO. In this position, you will report to Mr. Paul McDermott, President and Chief Executive Officer.

August 19, 2013 9709 Carriage Road Kensington, MD 20895 Re: Employment Terms Dear Paul: This Letter Agreement (Agreement) Confirms the Terms of Your Employment With Washington Real Estate Investment Trust (WRIT or the Company). (November 1st, 2013)

Position: Effective September 1, 2013 or such later date you may start as permitted below, you will serve as the President and Chief Executive Officer (CEO) of the Company, provided that your actual start date may be delayed up until October 1, 2013, subject to negotiating a departure date with Rockefeller Group Investment Management (RGIM), your current employer. The date you actually start employment will be called the Start Date. You will perform such duties as are required by and consistent with such position and such other related duties as are reasonably assigned to you from time to time by the Board of Trustees (the Board). You agree to accept such employment under the terms and conditions herein, and to devote substantially all of your professional working time and your full and best efforts, energies and abilities to WRIT on a full-time basis, provided, however, that you may engage in non-conflicting outside activities, such as boards of directors, as are approved by the B