Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000787441 | |||
| Series S000006903 | MainStay Common Stock Fund | ||
| Class/Contract C000018719 | Class A | MSOAX | |
| Class/Contract C000018720 | Class B | MOPBX | |
| Class/Contract C000018721 | Class C | MGOCX | |
| Class/Contract C000018722 | Class I | MSOIX | |
| Class/Contract C000057100 | Class R2 | MSORX | |
| Class/Contract C000060799 | INVESTOR CLASS | MCSSX | |
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 497 | Act: 33 | File No.: 033-02610 | Film No.: 121284981