Exhibit 12(b)(1)
CERTIFICATION
Mark D. Nerud, Principal Executive Officer and Daniel W. Koors, Principal Financial Officer of the JNL Series Trust, certify that:
1. | This Form N-CSR filing for the registrant (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and |
2. | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the registrant. |
By: | /s/ Mark D. Nerud |
| Mark D. Nerud |
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Date: | March 8, 2007 |
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By: | /s/ Daniel W. Koors |
| Daniel W. Koors |
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Date: | March 8, 2007 |