Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006658 | Natixis U.S. Equity Opportunities Fund | ||
| Class/Contract C000018161 | Class A | NEFSX | |
| Class/Contract C000018163 | Class C | NECCX | |
| Class/Contract C000018164 | Class Y | NESYX | |
| Class/Contract C000188559 | Class T | NUSTX | |
| Class/Contract C000190732 | Class N | NESNX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006660 | Loomis Sayles Core Plus Bond Fund | ||
| Class/Contract C000018168 | Class A | NEFRX | |
| Class/Contract C000018170 | Class C | NECRX | |
| Class/Contract C000018171 | Class Y | NERYX | |
| Class/Contract C000125481 | Class N | NERNX | |
| Class/Contract C000188560 | Class T | LCPTX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000006661 | Vaughan Nelson Small Cap Value Fund | ||
| Class/Contract C000018172 | Class A | NEFJX | |
| Class/Contract C000018174 | Class C | NEJCX | |
| Class/Contract C000069268 | Class Y | NEJYX | |
| Class/Contract C000188561 | Class T | NEJTX | |
| Class/Contract C000190733 | Class N | VSCNX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000030606 | Natixis Oakmark International Fund | ||
| Class/Contract C000094872 | Class A | NOIAX | |
| Class/Contract C000094873 | Class C | NOICX | |
| Class/Contract C000188562 | Class T | NIOTX | |
| Class/Contract C000190734 | Class N | NIONX | |
| Class/Contract C000190735 | Class Y | NOIYX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000053352 | Mirova Global Sustainable Equity Fund | ||
| Class/Contract C000167845 | Class A | ESGMX | |
| Class/Contract C000167846 | Class C | ESGCX | |
| Class/Contract C000167847 | Class Y | ESGYX | |
| Class/Contract C000188563 | Class T | ETSGX | |
| Class/Contract C000190736 | Class N | ESGNX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000056426 | Mirova Global Green Bond Fund | ||
| Class/Contract C000178444 | Class A | MGGAX | |
| Class/Contract C000178445 | Class N | MGGNX | |
| Class/Contract C000178446 | Class Y | MGGYX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000063873 | Mirova International Sustainable Equity Fund | ||
| Class/Contract C000206846 | Class N | MRVNX | |
| Class/Contract C000206847 | Class Y | MRVYX | |
| Class/Contract C000206848 | Class A | MRVAX | |
| Status | Name | Ticker Symbol | |
| CIK 0000770540 | |||
| Series S000070329 | Mirova U.S. Sustainable Equity Fund | ||
| Class/Contract C000223732 | Class Y | MUSYX | |
| Class/Contract C000223733 | Class A | MUSAX | |
| Class/Contract C000223734 | Class C | MUSCX | |
| Class/Contract C000223735 | Class N | MUSNX | |
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 497 | Act: 33 | File No.: 002-98326 | Film No.: 221497120