Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000010620 | Columbia Tax-Exempt Fund | ||
| Class/Contract C000029373 | Columbia Tax-Exempt Fund Class A | COLTX | |
| Class/Contract C000029375 | Columbia Tax-Exempt Fund Class C | COLCX | |
| Class/Contract C000029376 | Columbia Tax-Exempt Fund Institutional Class | CTEZX | |
| Class/Contract C000126464 | Columbia Tax-Exempt Fund Advisor Class | CTERX | |
| Class/Contract C000136874 | Columbia Tax-Exempt Fund Institutional 2 Class | CADMX | |
| Class/Contract C000177149 | Columbia Tax-Exempt Fund Institutional 3 Class | CTEYX | |
| Class/Contract C000253711 | Columbia Tax-Exempt Fund Class S | CTEDX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012071 | Columbia Oregon Intermediate Municipal Bond Fund | ||
| Class/Contract C000032858 | Columbia Oregon Intermediate Municipal Bond Fund Class A | COEAX | |
| Class/Contract C000032862 | Columbia Oregon Intermediate Municipal Bond Fund Institutional Class | CMBFX | |
| Class/Contract C000122662 | Columbia Oregon Intermediate Municipal Bond Fund Institutional 2 Class | CODRX | |
| Class/Contract C000126468 | Columbia Oregon Intermediate Municipal Bond Fund Advisor Class | CORMX | |
| Class/Contract C000177150 | Columbia Oregon Intermediate Municipal Bond Fund Institutional 3 Class | CORYX | |
| Class/Contract C000253715 | Columbia Oregon Intermediate Municipal Bond Fund Class S | CMBCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012081 | Columbia Large Cap Growth Fund | ||
| Class/Contract C000032910 | Columbia Large Cap Growth Fund Class A | LEGAX | |
| Class/Contract C000032912 | Columbia Large Cap Growth Fund Class C | LEGCX | |
| Class/Contract C000032915 | Columbia Large Cap Growth Fund Institutional Class | GEGTX | |
| Class/Contract C000034322 | Columbia Large Cap Growth Fund Class E | CLGEX | |
| Class/Contract C000078989 | Columbia Large Cap Growth Fund Institutional 3 Class | CGFYX | |
| Class/Contract C000094688 | Columbia Large Cap Growth Fund Class R | CGWRX | |
| Class/Contract C000094690 | Columbia Large Cap Growth Fund Institutional 2 Class | CLWFX | |
| Class/Contract C000122672 | Columbia Large Cap Growth Fund Advisor Class | CCGRX | |
| Class/Contract C000253720 | Columbia Large Cap Growth Fund Class S | GEGDX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000027194 | Columbia Ultra Short Term Bond Fund | ||
| Class/Contract C000082083 | Columbia Ultra Short Term Bond Fund Institutional 3 Class | CMGUX | |
| Class/Contract C000206531 | Columbia Ultra Short Term Bond Fund Advisor Class | CUSHX | |
| Class/Contract C000206532 | Columbia Ultra Short Term Bond Fund Institutional Class | CUSBX | |
| Class/Contract C000210388 | Columbia Ultra Short Term Bond Fund Class A | CUSOX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000048610 | Columbia U.S. Social Bond Fund | ||
| Class/Contract C000153243 | Columbia U.S. Social Bond Fund Class A | CONAX | |
| Class/Contract C000153244 | Columbia U.S. Social Bond Fund Class C | CONCX | |
| Class/Contract C000153245 | Columbia U.S. Social Bond Fund Advisor Class | CONFX | |
| Class/Contract C000153246 | Columbia U.S. Social Bond Fund Institutional 2 Class | COVNX | |
| Class/Contract C000153247 | Columbia U.S. Social Bond Fund Institutional Class | CONZX | |
| Class/Contract C000177151 | Columbia U.S. Social Bond Fund Institutional 3 Class | CONYX | |
EIN.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: N-CEN | Act: 40 | File No.: 811-04367 | Film No.: 241366958