Principal National Life Insurance Co Variable Life Separate Account

07/11/2025 | Press release | Distributed by Public on 07/11/2025 12:10

Prospectus by Investment Company (Form 497)

Supplement dated July 11, 2025

to the Updating Summary Prospectuses and Prospectuses dated May 1, 2025 for:

Principal® Variable Universal Life Income III

Principal® Variable Universal Life Income IV

Principal® Executive Variable Universal Life III

and to the Initial Summary Prospectuses dated May 1, 2025 for:

Principal® Variable Universal Life Income IV

Principal® Executive Variable Universal Life III

Issued by Principal National Life Insurance Company through its Principal National Life Insurance Company Variable Life Separate Account

This supplement updates information contained in the Initial Summary Prospectuses, Updating Summary Prospectuses, and Prospectuses referenced above. Please retain this supplement for future reference.

APPENDIX: UNDERLYING FUNDS AVAILABLE UNDER THE POLICY

The following changes are made to the list of Underlying Funds available under the Policy contained in the above-referenced appendix.

Effective immediately, the existing row for Wanger International is replaced with the new row below to reflect fund name and advisor changes:

Fund Company
and Fund Name
and Class
Fund Type Advisor/
Sub-Advisor
Current
Expense
Ratio
Average Annual Total Returns
1 yr 5 yr 10 yr Since
Inception
Columbia Variable Portfolio - Acorn International(1) International Equity Columbia Management Investment Advisers, LLC 1.08% -8.25% -0.72% 3.07%

Effective July 28, 2025, the existing row for Neuberger Berman AMT Sustainable Equity - Class I is replaced with the new row below to reflect a fund name change:

Fund Company
and Fund Name
and Class
Fund Type Advisor/
Sub-Advisor
Current
Expense
Ratio
Average Annual Total Returns
1 yr 5 yr 10 yr Since
Inception
Neuberger Berman AMT Quality Equity - Class I Large US Equity Neuberger Berman Investment Advisers LLC 0.89% 25.84% 13.97% 11.44%

Classification: Company Confidential

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