Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000004114 | Core Plus Fixed Income Portfolio | ||
| Class/Contract C000011537 | Class A Shares | MFXAX | |
| Class/Contract C000011538 | Class I Shares | MPFIX | |
| Class/Contract C000113789 | Class L | MSIOX | |
| Class/Contract C000155930 | Class C | MSCKX | |
| Class/Contract C000198828 | Class IS | MPLRX | |
| 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 | |
| Class/Contract C000161558 | Class IS | MSDSX | |
| 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 IS | 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 IS | 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 IS | MSHYX | |
| Class/Contract C000155936 | Class C | MSHDX | |
| Class/Contract C000198829 | Class IR | MRHYX | |
| Class/Contract C000222238 | Class W | MSYWX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000047474 | Strategic Income Portfolio | ||
| Class/Contract C000149052 | Class I | MSIDX | |
| Class/Contract C000149053 | Class A | MSADX | |
| Class/Contract C000149054 | Class IS | MSTCX | |
| Class/Contract C000155937 | Class C | MSPDX | |
| 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 S000063885 | Ultra-Short Municipal Income Portfolio | ||
| Class/Contract C000206865 | Institutional Class | MUIMX | |
| Class/Contract C000206866 | Class A | MUAMX | |
| Class/Contract C000206867 | Class IR | MULMX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000067372 | Senior Loan Portfolio | ||
| Class/Contract C000216642 | Class IS | MSLEX | |
| Class/Contract C000216643 | Class A | MSLGX | |
| Class/Contract C000216644 | Class C | MSLFX | |
| Class/Contract C000216645 | Class I | MSLJX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000069625 | Intermediate Municipal Income Portfolio | ||
| Class/Contract C000222082 | Class I | IMIEX | |
| Class/Contract C000222083 | Class A | IMIHX | |
| Class/Contract C000222084 | Class C | IMIJX | |
| Class/Contract C000222085 | Class IS | IMIKX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000069626 | Municipal Income Portfolio | ||
| Class/Contract C000222086 | Class I | MIPBX | |
| Class/Contract C000222087 | Class IS | MIPGX | |
| Class/Contract C000222088 | Class A | MIPDX | |
| Class/Contract C000222089 | Class C | MIPCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000741375 | |||
| Series S000071262 | Dynamic Value Portfolio | ||
| Class/Contract C000226177 | Class IS | ||
| Class/Contract C000226178 | Class A | ||
| Class/Contract C000226179 | Class C | ||
| Class/Contract C000226180 | Class I | ||
IRS No.: 000000000 | State of Incorp.: PA | Fiscal Year End: 0930
Type: N-CSRS | Act: 40 | File No.: 811-03980 | Film No.: 21988237
