Washington Real Estate Investment Trust entered into an Amended and Restated Credit Agreement with Wells Fargo Bank, National Association, as administrative agent, and the financial institutions party thereto as lenders and agents, which provides for aggregate revolving loan commitments of $700 million, the continuation of the existing unsecured term loan facility of $150 million and an additional unsecured term loan facility of $250 million. The Credit Agreement amends and restates that certain Credit Agreement, dated as of June 23, 2015, among Washington REIT, Wells Fargo Bank, National Association, as administrative agent, and the financial institutions party thereto as lenders and agents, which provided for aggregate revolving loan commitments of $600 million and the Tranche A Term Loan Facility (in the amount of $150 million). The Tranche B Term Loan Facility under the Credit Agreement will increase and replace the $150 million unsecured term loan facility.

The Credit Agreement includes the option to increase the revolving loan commitments or add term loans under the Credit Agreement to up to $1.5 billion in the aggregate to the extent the lenders (from the syndicate or otherwise) agree to provide additional revolving loan commitments or term loans. The Revolving Credit Facility will mature on March 29, 2022, unless extended to one or both of the two six-month extension options provided therein. The exercise of an extension option requires the payment of a fee of 0.0625% on the extended revolving loan commitments for the first extension and 0.075% on the extended revolving loan commitments for the second extension, and is subject to certain other customary conditions. The Tranche A Term Loan Facility will mature on March15, 2021 and the Tranche B Term Loan Facility will mature on July21, 2023. The Credit Agreement also provides Washington REIT with the ability to obtain letters of credit of up to $60 million in the aggregate. As ofMarch29, 2018, $150million of the Tranche A Term Loan Facility, $250 million of the Tranche B Term Loan Facility, and revolving loans in an aggregate principal amount of approximately $260 million were outstanding under the Credit Agreement.