 DALLAS, June 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 0.104054 per unit, payable on July 15, 2021, to unitholders of record on June 30, 2021. The following table shows underlying oil and gas sales and average prices attributable to the current month and prior month distributions. 