PrairieSky Royalty Ex-Dividend Reminder By: Market News Video August 25, 2017 at 10:05 AM EDT On 8/29/17, PrairieSky Royalty Ltd (PSK. A) will trade ex-dividend, for its monthly dividend of $0.0625, payable on 9/15/17. Read More >> Related Stocks: Vaneck Unconventional Oil & Gas ETF