Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000773674 | |||
| Series S000005965 | CAPITAL PRESERVATION FUND | ||
| Class/Contract C000016429 | INVESTOR CLASS | CPFXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773674 | |||
| Series S000005966 | GINNIE MAE FUND | ||
| Class/Contract C000016430 | INVESTOR CLASS | BGNMX | |
| Class/Contract C000016431 | A CLASS | BGNAX | |
| Class/Contract C000051002 | INSTITUTIONAL CLASS | AGMNX | |
| Class/Contract C000051003 | R CLASS | AGMWX | |
| Class/Contract C000088034 | C CLASS | BGNCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773674 | |||
| Series S000005968 | GOVERNMENT BOND FUND | ||
| Class/Contract C000016435 | INVESTOR CLASS | CPTNX | |
| Class/Contract C000016436 | A CLASS | ABTAX | |
| Class/Contract C000088035 | INSTITUTIONAL CLASS | ABTIX | |
| Class/Contract C000088036 | C CLASS | ABTCX | |
| Class/Contract C000088037 | R CLASS | ABTRX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773674 | |||
| Series S000005969 | INFLATION-ADJUSTED BOND FUND | ||
| Class/Contract C000016437 | INVESTOR CLASS | ACITX | |
| Class/Contract C000016438 | A CLASS | AIAVX | |
| Class/Contract C000016439 | INSTITUTIONAL CLASS | AIANX | |
| Class/Contract C000088038 | C CLASS | AINOX | |
| Class/Contract C000088039 | R CLASS | AIARX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773674 | |||
| Series S000005970 | SHORT-TERM GOVERNMENT FUND | ||
| Class/Contract C000016440 | INVESTOR CLASS | TWUSX | |
| Class/Contract C000016441 | A CLASS | TWAVX | |
| Class/Contract C000088040 | INSTITUTIONAL CLASS | TWUOX | |
| Class/Contract C000088041 | C CLASS | TWACX | |
| Class/Contract C000088042 | R CLASS | TWARX | |
IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 0331
Type: DEFA14A | Act: 34 | File No.: 811-04363 | Film No.: 10730908
