EX-99.77K CHNG ACCNT 4 ex77k-285.txt OPPENHEIMER INTEGRITY FUNDS February 27, 2009 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7561 Dear Sirs/Madams: We have read the Exhibit to Sub-Item 77Q of Oppenheimer Core Bond Fund's, a separate fund of Oppenheimer Integrity Funds, Form NSAR-B dated February 27, 2009, and we agree with the statements made therein. Yours truly, /s/ DELOITTE & TOUCHE LLP Denver, Colorado