Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000911637 | |||
| Series S000002499 | MFS Mid Cap Value Fund | ||
| Class/Contract C000006776 | A | MVCAX | |
| Class/Contract C000006777 | R4 | MVCJX | |
| Class/Contract C000006778 | 529A | EACVX | |
| Class/Contract C000006779 | 529B | EBCVX | |
| Class/Contract C000006780 | 529C | ECCVX | |
| Class/Contract C000006781 | B | MCBVX | |
| Class/Contract C000006782 | C | MVCCX | |
| Class/Contract C000006783 | I | MCVIX | |
| Class/Contract C000006785 | R1 | MVCGX | |
| Class/Contract C000006787 | R2 | MCVRX | |
| Class/Contract C000006788 | R3 | MVCHX | |
| Class/Contract C000125404 | R5 | MVCKX | |
| Status | Name | Ticker Symbol | |
| CIK 0000911637 | |||
| Series S000002500 | MFS Blended Research Core Equity Fund | ||
| Class/Contract C000006789 | A | MUEAX | |
| Class/Contract C000006790 | B | MUSBX | |
| Class/Contract C000006791 | C | MUECX | |
| Class/Contract C000006792 | I | MUSEX | |
| Class/Contract C000068492 | R1 | MUERX | |
| Class/Contract C000068493 | R2 | MUESX | |
| Class/Contract C000068494 | R3 | MUETX | |
| Class/Contract C000068495 | R4 | MUEUX | |
| Class/Contract C000068496 | R5 | MUEVX | |
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485BPOS | Act: 33 | File No.: 033-68310 | Film No.: 13618092
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485BPOS | Act: 40 | File No.: 811-07992 | Film No.: 13618094