Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000010617 | Columbia Strategic Income Fund | ||
| Class/Contract C000029358 | Class A | COSIX | |
| Class/Contract C000029359 | Class B | CLSBX | |
| Class/Contract C000029360 | Class C | CLSCX | |
| Class/Contract C000029362 | Class Z | LSIZX | |
| Class/Contract C000094661 | Class R | CSNRX | |
| Class/Contract C000094662 | Class R4 | CSIVX | |
| Class/Contract C000094663 | Class R5 | CTIVX | |
| Class/Contract C000094664 | Class W | CTTWX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012101 | Columbia High Yield Opportunity Fund | ||
| Class/Contract C000033001 | Class A | COLHX | |
| Class/Contract C000033002 | Class B | COHBX | |
| Class/Contract C000033003 | Class C | CHYCX | |
| Class/Contract C000033004 | Class Z | LHYZX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000024212 | Columbia International Bond Fund | ||
| Class/Contract C000071070 | Class A | CNBAX | |
| Class/Contract C000071071 | Class C | CNBCX | |
| Class/Contract C000071072 | Class Z | CNBZX | |
| Class/Contract C000094718 | Class I | CIBIX | |
EIN.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: 24F-2NT | Act: 33 | File No.: 002-99356 | Film No.: 111051261