Series and Classes/Contracts Information:
| New | |||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000009184 | Columbia Acorn Fund | ||
| Class/Contract C000122735 | Columbia Acorn Fund Class R4 | ||
| Class/Contract C000122736 | Columbia Acorn Fund Class R5 | ||
| Class/Contract C000122737 | Columbia Acorn Fund Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000009185 | Columbia Acorn International | ||
| Class/Contract C000122738 | Columbia Acorn International Class R4 | ||
| Class/Contract C000122739 | Columbia Acorn International Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000009186 | Columbia Acorn USA | ||
| Class/Contract C000122740 | Columbia Acorn USA Class R4 | ||
| Class/Contract C000122741 | Columbia Acorn USA Class R5 | ||
| Class/Contract C000122742 | Columbia Acorn USA Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000009187 | Columbia Acorn Select | ||
| Class/Contract C000122743 | Columbia Acorn Select Class R4 | ||
| Class/Contract C000122744 | Columbia Acorn Select Class R5 | ||
| Class/Contract C000122745 | Columbia Acorn Select Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000009188 | Columbia Acorn International Select | ||
| Class/Contract C000122746 | Columbia Acorn International Select Class R5 | ||
| Class/Contract C000122747 | Columbia Acorn International Select Class Y | ||
| Class/Contract C000122748 | Columbia Acorn International Select Class R4 | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000009189 | Columbia Thermostat Fund | ||
| Class/Contract C000122749 | Columbia Thermostat Fund Class R4 | ||
| Class/Contract C000122750 | Columbia Thermostat Fund Class R5 | ||
| Class/Contract C000122751 | Columbia Thermostat Fund Class Y | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000033621 | Columbia Acorn European Fund | ||
| Class/Contract C000122752 | Columbia Acorn European Fund Class R5 | ||
| Status | Name | Ticker Symbol | |
| CIK 0000002110 | |||
| Series S000033622 | Columbia Acorn Emerging Markets Fund | ||
| Class/Contract C000122753 | Columbia Acorn Emerging Markets Fund Class R4 | ||
| Class/Contract C000122754 | Columbia Acorn Emerging Markets Fund Class R5 | ||
IRS No.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485BPOS | Act: 33 | File No.: 002-34223 | Film No.: 121187092
IRS No.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485BPOS | Act: 40 | File No.: 811-01829 | Film No.: 121187093
