Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000225604 | |||
| Series S000002427 | MFS High Income Fund | ||
| Class/Contract C000006471 | A | MHITX | |
| Class/Contract C000006472 | R4 | MHIJX | |
| Class/Contract C000006473 | 529A | EAHIX | |
| Class/Contract C000006474 | 529B | EMHBX | |
| Class/Contract C000006475 | 529C | EMHCX | |
| Class/Contract C000006476 | B | MHIBX | |
| Class/Contract C000006477 | C | MHICX | |
| Class/Contract C000006478 | I | MHIIX | |
| Class/Contract C000006480 | R1 | MHIGX | |
| Class/Contract C000006482 | R2 | MIHRX | |
| Class/Contract C000006483 | R3 | MHIHX | |
| Class/Contract C000116932 | R6 | MHIKX | |
| Status | Name | Ticker Symbol | |
| CIK 0000225604 | |||
| Series S000002428 | MFS Global High Yield Fund | ||
| Class/Contract C000006484 | A | MHOAX | |
| Class/Contract C000006485 | B | MHOBX | |
| Class/Contract C000006486 | C | MHOCX | |
| Class/Contract C000006487 | I | MHOIX | |
| Class/Contract C000064677 | R1 | MHORX | |
| Class/Contract C000064678 | R2 | MHOSX | |
| Class/Contract C000064679 | R3 | MHOTX | |
| Class/Contract C000064680 | R4 | MHOUX | |
| Class/Contract C000064681 | R6 | MHOVX | |
| Status | Name | Ticker Symbol | |
| CIK 0000225604 | |||
| Series S000002429 | MFS Municipal High Income Fund | ||
| Class/Contract C000006488 | A | MMHYX | |
| Class/Contract C000006489 | B | MMHBX | |
| Class/Contract C000006490 | C | MMHCX | |
| Class/Contract C000103072 | I | MMIIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000225604 | |||
| Series S000038262 | MFS High Yield Pooled Portfolio | ||
| Class/Contract C000118060 | Fund Shares | HYPPX | |
IRS No.: 046414785 | State of Incorp.: MA | Fiscal Year End: 0131
Type: N-CSRS | Act: 40 | File No.: 811-02794 | Film No.: 161904022
