 FORT WORTH, Texas, July 20, 2021 PRNewswire -- PermRock Royalty Trust NYSE: PRT the Trust today declared a monthly cash distribution to record holders of its trust units representing beneficial interests in the Trust Trust Units as of July 30, 2021 and payable on August 13, 2021 in the amount of 735,116.19 0.060425 per Trust Unit, based principally upon production during the month of May 2021. The following table displays underlying oil and natural gas sales volumes and average received wellhead prices attributable to the current and prior month net profits interest calculations: Underlying Sales Volumes Average Price Oil Natural Gas Oil per Bbl Natural Gas per Mcf Bbls BblsD Mcf McfD Current Month 33,277 1,073 40,794 1,316 63.22 3.76 Prior Month 32,719 1,091 45,470 1,516 59.98 3.90 Oil cash receipts for the properties underlying the Trust totaled 2.10 million for the current month, an increase of 0.14 million from the prior months distribution period. 