40 86 Series Trust N-CSR Certified annual shareholder report (management investment company)

Certification Pursuant to Rule 30a-2(b) under the 1940 Act andSection 906 of the Sarbanes-Oxley Act

I, Audrey L. Kurzawa, President of 40|86 Series Trust (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:3/6/06/s/Audrey L. Kurzawa

  Audrey L. Kurzawa, President

  (principal executive officer)

I, Daniel J. Murphy, Treasurer of 40|86 Series Trust (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:3/6/06/s/Daniel J. Murphy

Daniel J. Murphy, Treasurer

 (principal financial officer)

This statement accompanies this report on Form N-CSR pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not be deemed as filed by 40|86 Strategic Income Fund for purposes of the Securities Exchange Act of 1934.