 DALLAS, Aug. 20, 2021 PRNewswire -- Simmons Bank, as Trustee of the Permian Basin Royalty Trust NYSE: PBT Permian today declared a cash distribution to the holders of its units of beneficial interest of 0.019552 per unit, payable on September 15, 2021, to unit holders of record on August 31, 2021. This months distribution decreased from the previous month as the result of decreased production of oil and gas due to the timing of receipts offset by an increase in the pricing for oil and gas for the Texas Royalty Properties during the month of June. 