Supplement
dated
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
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 | ||||
| - | - | ||||||
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 | ||||
Classification: Company Confidential