Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000916053 | |||
| Series S000029393 | MassMutual Total Return Bond Fund | ||
| Class/Contract C000090284 | Class R5 | MSPSX | |
| Class/Contract C000090285 | Service Class | MSPHX | |
| Class/Contract C000090286 | Administrative Class | MSPLX | |
| Class/Contract C000090287 | Class R4 | MSPGX | |
| Class/Contract C000090288 | Class R3 | MSPNX | |
| Class/Contract C000090289 | Class I | MSPZX | |
| Class/Contract C000140415 | Class A | MPTRX | |
| Class/Contract C000240800 | Class Y | MMNNX | |
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 0930
Type: NPORT-P/A | Act: 40 | File No.: 811-08274 | Film No.: 24943005