The Boards of Directors of Flaherty & Crumrine Preferred Income Opportunity Fund Inc. declared dividend of $0.0680 per share for the month of February, March and April 2021, payable on February 26, 2021, March 31, 2021, April 30, 2021, respectively with record date of February 19, 2021, March 24, 2021, April 23, 2021 and ex-dividend date of February 18, 2021, March 23, 2021, April 22, 2021, respectively.