Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006657 | Loomis Sayles Multi-Asset Income Fund | ||
| Class/Contract C000188558 | Class T | ||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006658 | Natixis U.S. Equity Opportunities Fund | ||
| Class/Contract C000188559 | Class T | ||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006660 | Loomis Sayles Core Plus Bond Fund | ||
| Class/Contract C000188560 | Class T | LCPTX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006661 | Vaughan Nelson Small Cap Value Fund | ||
| Class/Contract C000188561 | Class T | ||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000030606 | Natixis Oakmark International Fund | ||
| Class/Contract C000188562 | Class T | ||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000053352 | Mirova Global Sustainable Equity Fund | ||
| Class/Contract C000188563 | Class T | ||
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 497 | Act: 33 | File No.: 002-98326 | Film No.: 17727483