CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Post-Effective Amendment No. 45 to Registration
Statement No. 2-69653 on Form N-1A of our report dated August 8, 2007, relating to the financial
statements and financial highlights of Centennial Tax Exempt Trust, appearing in the Annual Report on
Form N-CSR of Centennial Tax Exempt Trust for the year ended June 30, 2007, and to the references to us
under the headings "Independent Registered Public Accounting Firm" in the Statement of Additional
Information and "Financial Highlights" in the Prospectus, which are part of such Registration Statement.

/s/ DELOITTE & TOUCHE LLP

Denver, Colorado
August 20, 2007