EXHIBIT 99.906CERT CERTIFICATION PURSUANT TO RULE 30a-2(b) UNDER THE 1940 ACT AND SECTION 906 OF THE SARBANES-OXLEY ACT I, Stuart D. Bilton, Chief Executive Officer of Aston 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: 6/27/11 /s/Stuart D. Bilton ----------------------------------------- Stuart D. Bilton, Chief Executive Officer (principal executive officer) I, Laura M. Curylo, Treasurer and Chief Financial Officer of Aston 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: 6/27/11 /s/ Laura M. Curylo ----- ------------------------------------ Laura M. Curylo, Treasurer and Chief Financial Officer (principal financial officer)