Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000004118 | Corporate Bond Portfolio | ||
| Class/Contract C000011548 | Class A Shares | MIGAX | |
| Class/Contract C000011549 | Class I Shares | MPFDX | |
| Class/Contract C000065127 | Class L Shares | MGILX | |
| Class/Contract C000155931 | Class C | MSBOX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000004119 | Short Duration Income Portfolio | ||
| Class/Contract C000011550 | Class I Shares | MPLDX | |
| Class/Contract C000052876 | Class A Shares | MLDAX | |
| Class/Contract C000113791 | Class L | MSJLX | |
| Class/Contract C000155932 | Class C | MSLDX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000004124 | Global Strategist Portfolio | ||
| Class/Contract C000011555 | Class A Shares | MBAAX | |
| Class/Contract C000011556 | Class I Shares | MPBAX | |
| Class/Contract C000113792 | Class L | MSDLX | |
| Class/Contract C000155933 | Class C | MSSOX | |
| Class/Contract C000156275 | Class R6 | MGPOX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000004127 | Discovery Portfolio | ||
| Class/Contract C000011562 | Class A Shares | MACGX | |
| Class/Contract C000011563 | Class I Shares | MPEGX | |
| Class/Contract C000113795 | Class L | MSKLX | |
| Class/Contract C000129401 | Class R6 | MMCGX | |
| Class/Contract C000155934 | Class C | MSMFX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000035938 | High Yield Portfolio | ||
| Class/Contract C000110149 | Class I | MSYIX | |
| Class/Contract C000110150 | Class A | MSYPX | |
| Class/Contract C000110152 | Class L | MSYLX | |
| Class/Contract C000138838 | Class R6 | MSHYX | |
| Class/Contract C000155936 | Class C | MSHDX | |
| Class/Contract C000198829 | Class IR | MRHYX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000052013 | Ultra Short Income Portfolio | ||
| Class/Contract C000163598 | Institutional Class | MUIIX | |
| Class/Contract C000163599 | Class IR | MULSX | |
| Class/Contract C000163600 | Class A | MUAIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000071262 | Dynamic Value Portfolio | ||
| Class/Contract C000226177 | Class R6 | MAADX | |
| Class/Contract C000226178 | Class A | MAAUX | |
| Class/Contract C000226179 | Class C | MAAOX | |
| Class/Contract C000226180 | Class I | MAAQX | |
EIN.: 000000000 | State of Incorp.: PA | Fiscal Year End: 0930
Type: N-CSRS | Act: 40 | File No.: 811-03980 | Film No.: 241008433
