 FORT WORTH, Texas, May 18, 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 May 28, 2021 and payable on June 14, 2021 in the amount of 678,860.43 0.055801 per Trust Unit, based principally upon production during the month of March 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 34,094 1,100 40,289 1,300 61.23 4.20 Prior Month 28,062 1,002 41,455 1,481 57.44 3.96 Oil cash receipts for the properties underlying the Trust totaled 2.09 million for the current month, an increase of 0.48 million from the prior months distribution period. 