CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form N-1A of Columbia Acorn Trust of our reports dated February 18, 2022, relating to the financial statements and financial highlights, which appear in the Annual Reports on Form N-CSR of the funds indicated in Appendix A for the year ended December 31, 2021. We also consent to the references to us under the headings Financial Highlights and Independent Registered Public Accounting Firm in such Registration Statement.
/s/PricewaterhouseCoopers LLP
Minneapolis, Minnesota
April 27, 2022
Appendix A
Fund Name
Columbia Acorn European FundSM
Columbia Acorn® Fund
Columbia Acorn International®
Columbia Acorn International SelectSM
Columbia Acorn USA®
Columbia Thermostat FundSM