Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057909 | Wells Fargo Bloomberg Barclays US Aggregate ex-Corporate Portfolio | ||
| Class/Contract C000188019 | Wells Fargo Bloomberg Barclays US Aggregate ex-Corporate Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057910 | Wells Fargo High Yield Corporate Bond Portfolio | ||
| Class/Contract C000188020 | Wells Fargo High Yield Corporate Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057911 | Wells Fargo Investment Grade Corporate Bond Portfolio | ||
| Class/Contract C000188021 | Wells Fargo Investment Grade Corporate Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057912 | Wells Fargo Emerging Markets Bond Portfolio | ||
| Class/Contract C000188022 | Wells Fargo Emerging Markets Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057913 | Wells Fargo Factor Enhanced Emerging Markets Equity Portfolio | ||
| Class/Contract C000188023 | Wells Fargo Factor Enhanced Emerging Markets Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057914 | Wells Fargo Factor Enhanced International Equity Portfolio | ||
| Class/Contract C000188024 | Wells Fargo Factor Enhanced International Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057915 | Wells Fargo Factor Enhanced U.S. Large Cap Equity Portfolio | ||
| Class/Contract C000188025 | Wells Fargo Factor Enhanced U.S. Large Cap Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057916 | Wells Fargo Factor Enhanced U.S. Small Cap Equity Portfolio | ||
| Class/Contract C000188026 | Wells Fargo Factor Enhanced U.S. Small Cap Equity Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057918 | Wells Fargo U.S. REIT Portfolio | ||
| Class/Contract C000188028 | Wells Fargo U.S. REIT Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000057919 | Wells Fargo Strategic Retirement Bond Portfolio | ||
| Class/Contract C000188029 | Wells Fargo Strategic Retirement Bond Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0001087961 | |||
| Series S000068540 | Wells Fargo Factor Enhanced U.S. Low Volatility Equity Portfolio | ||
| Class/Contract C000219242 | Factor Enhanced U.S. Low Volatility Equity Portfolio | ||
IRS No.: 000000000 | State of Incorp.: DE
Type: N-CSRS | Act: 40 | File No.: 811-09689 | Film No.: 201283027
