Exhibit

We have read Item 4.01(a) of the Current Report on Form 8-K dated January 10, 2018 of Piedmont Office Realty Trust, Inc. (the “Company”) and are in agreement with the statements contained in the first sentence of the first paragraph, the second and third paragraphs, the first and second sentences of the fourth paragraph, and the fifth paragraph therein. We have no basis to agree or disagree with the other statements of the Company contained therein.