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Welcome to Columbia Threadneedle Investments

Retirement Plan Account Access
For Plan Participants


Effective November 1, 2018, the mailing addresses related to your Columbia fund account will change. The new regular and overnight mail addresses for Retirement Plan participants will be:


Regular mail address
Columbia Management Investment Services Corp.
Attn: Retirement Plan Services
P.O. Box 219104
Kansas City, MO 64121-9104


Overnight mail address
Columbia Management Investment Services Corp.
c/o DST Asset Manager Solutions, Inc.
Attn: Retirement Plan Services
430 W 7th Street, STE 219104
Kansas City, MO 64105-1407