Exhibit 15 The Partners DUKE-WEEKS REALTY LIMITED PARTNERSHIP: RE: Registration Statement No. 333-04695, 333-26845 and 333-49911 With respect to the subject registration statement, we acknowledge our awareness of the use therein of our report dated October 26, 1999 related to our review of interim financial information. Pursuant to Rule 436(c) under the Securities Act of 1933, such report is not considered a part of a registration statement prepared or certified by an accountant, or a report prepared or certified by an accountant within the meaning of sections 7 and 11 of the Act. KPMG LLP Indianapolis, Indiana November 11, 1999