Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000918571 | |||
| Series S000002678 | MFS Mid Cap Growth Series | ||
| Class/Contract C000007326 | Initial Class | ||
EIN.: 043226600 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 497K | Act: 33 | File No.: 033-74668 | Film No.: 11872694