0000009713 2023-08-23 2023-08-23 0000009713 ck0000009713:C000018257Member 2023-08-23 2023-08-23 pure N-4 0000009713 N-4 2022-12-31 false Principal Life Insurance Company Separate Account B <div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">APPENDIX A — INVESTMENT OPTIONS AVAILABLE UNDER THE CONTRACT</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Delete the row for American Century VP Value Fund – Class II in the table and replace with the following:</span></div><div style="margin-bottom:0.1pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:465.75pt"><tr><td style="width:1.0pt"></td><td style="width:62.50pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:210.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:61.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:37.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:37.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:43.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:45pt"><td colspan="3" rowspan="2" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">Type</span></td><td colspan="3" rowspan="2" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Portfolio </span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Advisor/Sub-advisor</span></div></td><td colspan="3" rowspan="2" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">Current Expenses (Net)</span></td><td colspan="9" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Average Annual Total Returns</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(as of 12/31/22)</span></div></td></tr><tr style="height:14pt"><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1 year</span></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">5 year</span></td><td colspan="3" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">10 year</span></td></tr><tr style="height:36pt"><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">Large Value</span></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:12pt;padding-right:2.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">American Century VP Value Fund </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> – Class II </span></div><div style="padding-right:2.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">American Century Investment Management, Inc.</span></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="padding-left:2.75pt;padding-right:2.75pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.86% </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(2)</span></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">0.31%</span></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">7.68%</span></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">10.41%</span></td></tr></table></div> <table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:465.75pt"><tr><td style="width:1.0pt"></td><td style="width:62.50pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:210.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:61.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:37.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:37.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:43.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:45pt"><td colspan="3" rowspan="2" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">Type</span></td><td colspan="3" rowspan="2" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Portfolio </span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Advisor/Sub-advisor</span></div></td><td colspan="3" rowspan="2" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">Current Expenses (Net)</span></td><td colspan="9" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Average Annual Total Returns</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(as of 12/31/22)</span></div></td></tr><tr style="height:14pt"><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1 year</span></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">5 year</span></td><td colspan="3" style="border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">10 year</span></td></tr><tr style="height:36pt"><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">Large Value</span></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:12pt;padding-right:2.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">American Century VP Value Fund </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> – Class II </span></div><div style="padding-right:2.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">American Century Investment Management, Inc.</span></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="padding-left:2.75pt;padding-right:2.75pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.86% </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(2)</span></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">0.31%</span></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">7.68%</span></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-right:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:133%">10.41%</span></td></tr></table> Large Value <span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">American Century VP Value Fund </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span> – Class II American Century Investment Management, Inc. 0.0086 0.0031 0.0768 0.1041