EX-99.906CERT CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT I, Kenneth C. Anderson, President of ABN AMRO Funds (the "Registrant"), certify that: 1. The Form N-CSR of the Registrant (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant. Date: JULY 1, 2004 /S/ KENNETH C. ANDERSON ------------------------------- -------------------------------- Kenneth C. Anderson, President (principal executive officer) I, Gerald Dillenburg, Treasurer of ABN AMRO Funds (the "Registrant"), certify that: 1. The Form N-CSR of the Registrant (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant. Date: JULY 1, 2004 /S/ GERALD DILLENBURG ------------------------------- ----------------------------------------- Gerald Dillenburg, Senior Vice President, Secretary & Treasurer (principal financial officer)