EXHIBIT 12(b)

                        FORM OF SECTION 906 CERTIFICATION

David P. Marks, President, and Holly S. Baggot, Treasurer, of Ultra Series Fund
(the "Registrant"), to the best of their knowledge, each certify that:

1.  The Registrant's periodic report on Form N-CSR for the period ended June 30,
    2008 (the "Form N-CSR") fully complies with the requirements of Section
    15(d) of the Securities Exchange Act of 1934, as amended; and

2.  The information contained in the Form N-CSR fairly presents, in all material
    respects, the financial condition and results of operations of the
    Registrant.

PRESIDENT                                        TREASURER

 /s/David P. Marks                               /s/Holly S. Baggot
--------------------------------                 -------------------------------
David P. Marks                                   Holly S. Baggot

Date:  08/20/08                                  Date:   08/20/08
    ----------------------------                     ---------------------------

This statement accompanies this report and shall not be deemed filed by the
Registrant for purposes of the Securities Exchange Act of 1934.