Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000225604 | |||
| Series S000002428 | MFS High Yield Opportunities 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 | R5 | MHOVX | |
IRS No.: 046414785 | State of Incorp.: MA | Fiscal Year End: 0131
Type: 497 | Act: 33 | File No.: 002-60491 | Film No.: 121222438