Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000063075 | |||
| Series S000002493 | MFS Inflation-Adjusted Bond Fund | ||
| Class/Contract C000006724 | A | MIAAX | |
| Class/Contract C000006725 | R4 | MIAJX | |
| Class/Contract C000006726 | B | MIABX | |
| Class/Contract C000006727 | C | MIACX | |
| Class/Contract C000006728 | I | MIAIX | |
| Class/Contract C000006730 | R1 | MIALX | |
| Class/Contract C000006732 | R2 | MIATX | |
| Class/Contract C000006733 | R3 | MIAHX | |
| Class/Contract C000126364 | R6 | MIAKX | |
IRS No.: 042535629 | State of Incorp.: MA | Fiscal Year End: 0430
Type: N-CSRS | Act: 40 | File No.: 811-02464 | Film No.: 231033861
