Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057909 | Allspring Bloomberg US Aggregate ex-Corporate Portfolio | ||
| Class/Contract C000188019 | Bloomberg US Aggregate ex-Corporate Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057910 | Allspring High Yield Corporate Bond Portfolio | ||
| Class/Contract C000188020 | High Yield Corporate Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057911 | Allspring Investment Grade Corporate Bond Portfolio | ||
| Class/Contract C000188021 | Investment Grade Corporate Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057912 | Allspring Emerging Markets Bond Portfolio | ||
| Class/Contract C000188022 | Emerging Markets Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057913 | Allspring Factor Enhanced Emerging Markets Equity Portfolio | ||
| Class/Contract C000188023 | Factor Enhanced Emerging Markets Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057914 | Allspring Factor Enhanced International Equity Portfolio | ||
| Class/Contract C000188024 | Factor Enhanced International Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057915 | Allspring Factor Enhanced U.S. Large Cap Equity Portfolio | ||
| Class/Contract C000188025 | Factor Enhanced U.S. Large Cap Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057916 | Allspring Factor Enhanced U.S. Small Cap Equity Portfolio | ||
| Class/Contract C000188026 | Factor Enhanced U.S. Small Cap Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057918 | Allspring U.S. REIT Portfolio | ||
| Class/Contract C000188028 | U.S. REIT Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057919 | Allspring Strategic Retirement Bond Portfolio | ||
| Class/Contract C000188029 | Strategic Retirement Bond Portfolio | ||
IRS No.: 000000000 | State of Incorp.: DE
Type: N-CEN | Act: 40 | File No.: 811-09689 | Film No.: 24911508