Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000012070 | Columbia Mid Cap Growth Fund | ||
| Class/Contract C000032847 | Columbia Mid Cap Growth Fund Class A | CBSAX | |
| Class/Contract C000032849 | Columbia Mid Cap Growth Fund Class C | CMCCX | |
| Class/Contract C000032852 | Columbia Mid Cap Growth Fund Class R | CMGRX | |
| Class/Contract C000032853 | Columbia Mid Cap Growth Fund Class V | CBSTX | |
| Class/Contract C000032854 | Columbia Mid Cap Growth Fund Institutional Class | CLSPX | |
| Class/Contract C000078986 | Columbia Mid Cap Growth Fund Institutional 3 Class | CMGYX | |
| Class/Contract C000094669 | Columbia Mid Cap Growth Fund Institutional 2 Class | CMGVX | |
| Class/Contract C000121789 | Columbia Mid Cap Growth Fund Advisor Class | CPGRX | |
EIN.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: 497 | Act: 33 | File No.: 002-99356 | Film No.: 22556255