Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012096 | Columbia Income Fund | ||
| Class/Contract C000032979 | Class A | ||
| Class/Contract C000032980 | Class B | ||
| Class/Contract C000032981 | Class C | ||
| Class/Contract C000032982 | Class Z | ||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012097 | Columbia Intermediate Bond Fund | ||
| Class/Contract C000032983 | Class A | ||
| Class/Contract C000032984 | Class B | ||
| Class/Contract C000032985 | Class C | ||
| Class/Contract C000032986 | Class R | ||
| Class/Contract C000032987 | Class Z | ||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012098 | Columbia U.S. Treasury Index Fund | ||
| Class/Contract C000032988 | Class A | ||
| Class/Contract C000032989 | Class B | ||
| Class/Contract C000032990 | Class C | ||
| Class/Contract C000032991 | Class Z | ||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012099 | Columbia World Equity Fund | ||
| Class/Contract C000032992 | Class A | ||
| Class/Contract C000032993 | Class B | ||
| Class/Contract C000032994 | Class C | ||
EIN.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: 485BPOS | Act: 33 | File No.: 002-99356 | Film No.: 06988667
EIN.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: 485BPOS | Act: 40 | File No.: 811-04367 | Film No.: 06988668