POWER OF ATTORNEY

City of Boston

Commonwealth of Massachusetts

With respect to each of Columbia Seligman Premium Technology Growth Fund, Inc.,
Tri-Continental Corporation, and any other closed-end investment company for
which Columbia Management Investment Advisers, LLC now or hereafter serves as
investment adviser, the undersigned hereby appoints Scott R. Plummer, Paul B.
Goucher, Christopher O. Petersen, Joseph D'Alessandro, Ryan C. Larrenaga or
Megan E. Garcy, attorney-in-fact and agent, with full power of substitution and
resubstitution, for in name and stead, to sign and file Forms 3, 4 and 5
(Initial Statement of Beneficial Ownership of Securities, Statement of Changes
in Beneficial Ownership, and Annual Statement of Changes in Beneficial
Ownership of Securities promulgated under Section 16(a) of the Securities
Exchange Act of 1934), or further amendments thereto, and any and all
applications or other documents to be filed with the Securities and Exchange
Commission (the SEC) pertaining thereto, including, but not limited to, such
applications as may be necessary to file electronically with the SEC, with full
power and authority to do and perform all acts and things requisite and
necessary to be done on the premises.

Dated the 4th day of April, 2017


/s/ James Robert Cielinski
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James Robert Cielinski