Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000006773 | SDIT GOVERNMENT FUND | ||
| Class/Contract C000018362 | SDIT GOVERNMENT FUND - CLASS B | SEVXX | |
| Class/Contract C000018363 | SDIT GOVERNMENT FUND - CLASS C | SGOXX | |
| Class/Contract C000018364 | SDIT GOVERNMENT FUND - SWEEP CLASS | SGWXX | |
| Class/Contract C000018365 | SDIT GOVERNMENT FUND - CLASS A | SEOXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000006774 | SDIT TREASURY II FUND | ||
| Class/Contract C000018366 | SDIT TREASURY II FUND - CLASS B | STBXX | |
| Class/Contract C000018367 | SDIT TREASURY II FUND - CLASS C | STWXX | |
| Class/Contract C000018368 | SDIT TREASURY II FUND - CLASS A | SCPXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000006775 | SDIT MONEY MARKET FUND | ||
| Class/Contract C000018369 | SDIT MONEY MARKET FUND - CLASS B | SKBXX | |
| Class/Contract C000018370 | SDIT MONEY MARKET FUND - CLASS A | TCMXX | |
| Class/Contract C000018371 | SDIT MONEY MARKET FUND - CLASS C | SICXX | |
| Class/Contract C000018372 | SDIT MONEY MARKET FUND - SWEEP CLASS | SISXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000006776 | SDIT GOVERNMENT II FUND | ||
| Class/Contract C000018373 | SDIT GOVERNMENT II FUND - CLASS B | SVBXX | |
| Class/Contract C000018374 | SDIT GOVERNMENT II FUND - CLASS A | TCGXX | |
| Class/Contract C000018375 | SDIT GOVERNMENT II FUND - CLASS C | SGTXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000008265 | SDIT PRIME OBLIGATION FUND | ||
| Class/Contract C000022546 | SDIT PRIME OBLIGATION FUND - CLASS A | TCPXX | |
| Class/Contract C000022547 | SDIT PRIME OBLIGATION FUND - CLASS B | SPBXX | |
| Class/Contract C000022548 | SDIT PRIME OBLIGATION FUND - CLASS C | SOLXX | |
| Class/Contract C000022549 | SDIT PRIME OBLIGATION FUND - SWEEP CLASS | SPWXX | |
| Class/Contract C000022550 | SDIT PRIME OBLIGATION FUND - CLASS H | SPHXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000008266 | SDIT ULTRA SHORT DURATION BOND FUND | ||
| Class/Contract C000022551 | SDIT ULTRA SHORT DURATION BOND FUND - CLASS A | SECPX | |
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000008267 | SDIT SHORT DURATION GOVERNMENT FUND | ||
| Class/Contract C000022552 | SDIT SHORT DURATION GOVERNMENT FUND - CLASS A | TCSGX | |
| Class/Contract C000147419 | Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000008268 | SDIT INTERMEDIATE DURATION GOVERNMENT FUND | ||
| Class/Contract C000022553 | SDIT INTERMEDIATE DURATION GOVERNMENT FUND - CLASS A | TCPGX | |
| Class/Contract C000147420 | Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000008269 | SDIT GNMA FUND | ||
| Class/Contract C000022554 | SDIT GNMA FUND - CLASS A | SEGMX | |
| Class/Contract C000147421 | Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000701939 | |||
| Series S000008270 | SDIT TREASURY FUND | ||
| Class/Contract C000022555 | SDIT TREASURY FUND - CLASS A | SEPXX | |
| Class/Contract C000022556 | SDIT TREASURY FUND - CLASS B | STYXX | |
| Class/Contract C000022557 | SDIT TREASURY FUND - CLASS C | SDCXX | |
| Class/Contract C000022558 | SDIT TREASURY FUND - SWEEP CLASS | SSWXX | |
IRS No.: 236756825 | State of Incorp.: MA | Fiscal Year End: 0131
Type: N-CSRS | Act: 40 | File No.: 811-03451 | Film No.: 151148832
