Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000052136 | |||
| Series S000034097 | Loomis Sayles Senior Floating Rate and Fixed Income Fund | ||
| Class/Contract C000105118 | Class A | LSFAX | |
| Class/Contract C000105119 | Class C | LSFCX | |
| Class/Contract C000105120 | Class Y | LSFYX | |
IRS No.: 041990692 | State of Incorp.: MA
Type: 497 | Act: 33 | File No.: 002-11101 | Film No.: 111232993