Columbia Seligman Premium Technology Growth Fund Inc. declared a second-quarter distribution, pursuant to its managed distribution policy, in the amount of $0.4625 per share, which is equal to a quarterly rate of 2.3125% (9.25% annualized) of the $20.00 offering price in the Fund’s initial public offering in November 2009. The second-quarter distribution of $0.4625 per share is equal to a quarterly rate of 1.3704% (5.48% annualized) of the Fund’s market price of $33.75 per share as of April 30, 2021. The distribution will be paid on May 25, 2021 (the Payment Date) to Stockholders of record on May 17, 2021. The ex-dividend date is May 14, 2021. It is anticipated that the Fund will make a subsequent distribution under its managed distribution policy in the month of August.