Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000021575 | Columbia Select Large Cap Growth Fund | ||
| Class/Contract C000061818 | Columbia Select Large Cap Growth Fund Class A | ELGAX | |
| Class/Contract C000061819 | Columbia Select Large Cap Growth Fund Class C | ELGCX | |
| Class/Contract C000061820 | Columbia Select Large Cap Growth Fund Class R | URLGX | |
| Class/Contract C000061821 | Columbia Select Large Cap Growth Fund Institutional Class | UMLGX | |
| Class/Contract C000122687 | Columbia Select Large Cap Growth Fund Advisor Class | CSRRX | |
| Class/Contract C000122688 | Columbia Select Large Cap Growth Fund Institutional 2 Class | CGTRX | |
| Class/Contract C000122689 | Columbia Select Large Cap Growth Fund Institutional 3 Class | CCWRX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000036204 | Multi-Manager Growth Strategies Fund | ||
| Class/Contract C000179754 | Multi-Manager Growth Strategies Fund Institutional Class | CZMGX | |
| Class/Contract C000216708 | Multi-Manager Growth Strategies Fund Institutional 3 Class | CABGX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059353 | Columbia Adaptive Retirement 2020 Fund | ||
| Class/Contract C000194738 | Columbia Adaptive Retirement 2020 Fund Advisor Class | CARGX | |
| Class/Contract C000194739 | Columbia Adaptive Retirement 2020 Fund Institutional 3 Class | CARHX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059354 | Columbia Adaptive Retirement 2030 Fund | ||
| Class/Contract C000194740 | Columbia Adaptive Retirement 2030 Fund Advisor Class | CARLX | |
| Class/Contract C000194741 | Columbia Adaptive Retirement 2030 Fund Institutional 3 Class | CARMX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059355 | Columbia Adaptive Retirement 2040 Fund | ||
| Class/Contract C000194742 | Columbia Adaptive Retirement 2040 Fund Advisor Class | CAROX | |
| Class/Contract C000194743 | Columbia Adaptive Retirement 2040 Fund Institutional 3 Class | CARQX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059356 | Columbia Adaptive Retirement 2050 Fund | ||
| Class/Contract C000194744 | Columbia Adaptive Retirement 2050 Fund Advisor Class | CARSX | |
| Class/Contract C000194745 | Columbia Adaptive Retirement 2050 Fund Institutional 3 Class | CARUX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059357 | Columbia Adaptive Retirement 2060 Fund | ||
| Class/Contract C000194746 | Columbia Adaptive Retirement 2060 Fund Institutional 3 Class | CARVX | |
| Class/Contract C000194747 | Columbia Adaptive Retirement 2060 Fund Advisor Class | CARKX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059358 | Columbia Solutions Aggressive Portfolio | ||
| Class/Contract C000194748 | Columbia Solutions Aggressive Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000059359 | Columbia Solutions Conservative Portfolio | ||
| Class/Contract C000194749 | Columbia Solutions Conservative Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000061632 | Columbia Adaptive Retirement 2025 Fund | ||
| Class/Contract C000199605 | Columbia Adaptive Retirement 2025 Fund Advisor Class | CAAHX | |
| Class/Contract C000199606 | Columbia Adaptive Retirement 2025 Fund Institutional 3 Class | CAIDX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000061633 | Columbia Adaptive Retirement 2035 Fund | ||
| Class/Contract C000199607 | Columbia Adaptive Retirement 2035 Fund Advisor Class | CARJX | |
| Class/Contract C000199608 | Columbia Adaptive Retirement 2035 Fund Institutional 3 Class | CAIEX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000061634 | Columbia Adaptive Retirement 2045 Fund | ||
| Class/Contract C000199609 | Columbia Adaptive Retirement 2045 Fund Advisor Class | CARPX | |
| Class/Contract C000199610 | Columbia Adaptive Retirement 2045 Fund Institutional 3 Class | CAIHX | |
| Status | Name | Ticker Symbol | |
| CIK 0000773757 | |||
| Series S000061635 | Columbia Adaptive Retirement 2055 Fund | ||
| Class/Contract C000199611 | Columbia Adaptive Retirement 2055 Fund Advisor Class | CARFX | |
| Class/Contract C000199612 | Columbia Adaptive Retirement 2055 Fund Institutional 3 Class | CAIJX | |
IRS No.: 363376651 | State of Incorp.: MA | Fiscal Year End: 0630
Type: N-CSRS | Act: 40 | File No.: 811-04367 | Film No.: 231448896
