| MFS Bond Portfolio | Initial Class | — | — |
| MFS Bond Portfolio | Service Class | — | — |
| MFS Government Securities Portfolio | Initial Class | — | — |
| MFS Government Securities Portfolio | Service Class | — | — |
| MFS High Yield Portfolio | Initial Class | — | — |
| MFS High Yield Portfolio | Service Class | — | — |
| MFS International Growth Portfolio | Initial Class | — | — |
| MFS International Growth Portfolio | Service Class | — | — |
| MFS International Value Portfolio | Initial Class | — | — |
| MFS International Value Portfolio | Service Class | — | — |
| MFS Massachusetts Investors Growth Stock Portfolio | Initial Class | — | — |
| MFS Massachusetts Investors Growth Stock Portfolio | Service Class | — | — |
| MFS Blended Research Core Equity Portfolio | Initial Class | — | — |
| MFS Blended Research Core Equity Portfolio | Service Class | — | — |
| MFS Mid Cap Growth Portfolio | Initial Class | — | — |
| MFS Mid Cap Growth Portfolio | Service Class | — | — |
| MFS Mid Cap Value Portfolio | Initial Class | — | — |
| MFS Mid Cap Value Portfolio | Service Class | — | — |
| MFS Money Market Portfolio | Initial Class | — | — |
| MFS Money Market Portfolio | Service Class | — | — |
| MFS New Discovery Portfolio | Initial Class | — | — |
| MFS New Discovery Portfolio | Service Class | — | — |
| MFS Capital Appreciation Portfolio | Initial Class | — | — |
| MFS Capital Appreciation Portfolio | Service Class | — | — |
| MFS Research International Portfolio | Initial Class | — | — |