Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000787441 | |||
| Series S000006894 | MainStay Unconstrained Bond Fund | ||
| Class/Contract C000018685 | Class A | MASAX | |
| Class/Contract C000018686 | Class B | MASBX | |
| Class/Contract C000018687 | Class C | MSICX | |
| Class/Contract C000018688 | Class I | MSDIX | |
| Class/Contract C000060790 | INVESTOR CLASS | MSYDX | |
| Class/Contract C000138226 | Class R2 | MSIRX | |
| Class/Contract C000166834 | Class R3 | MSDJX | |
EIN.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 497K | Act: 33 | File No.: 033-02610 | Film No.: 17647170