 DALLAS, May 18, 2021 PRNewswire -- Simmons Bank, as Trustee of the Cross Timbers Royalty Trust NYSE:CRT, today declared a cash distribution to the holders of its units of beneficial interest of 0.077704 per unit, payable on June 14, 2021, to unitholders of record on May 28, 2021. The following table shows underlying oil and gas sales and average prices attributable to the current month and prior month distributions. 