Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006660 | Loomis Sayles Core Plus Bond Fund | ||
| Class/Contract C000018168 | Class A | NEFRX | |
| Class/Contract C000018169 | Class B | NERBX | |
| Class/Contract C000018170 | Class C | NECRX | |
| Class/Contract C000018171 | Class Y | NERYX | |
| Class/Contract C000125481 | Class N | ||
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 497 | Act: 33 | File No.: 002-98326 | Film No.: 13631730