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Exhibit 99.01 NuStar Energy L.P. Reports Strong Second Quarter of 2021 Earnings Results Earnings and EBITDA Beats Consensus Estimates Sustainability Presentation Released Refined Product Systems Exceed 100 Percent of Pre - Pandemic Run Rate Permian Crude System Volumes Average 481,000 Barrels Per Day in July / On Track to Exit 2021 at Around 500,000 West Coast Renewable Fuels Distribution System Continues to Handle Roughly 30 Percent of California's Renewable Diesel Volumes Announces Sale of Nine Terminals to Sunoco LP which will Improve Debt Metrics / Lower Leverage SAN ANTONIO , August 5 , 2021 - NuStar Energy L.P. ( NYSE : NS ) today reported net income of $ 63 million for the second quarter of 2021 , or $ 0.25 per unit , compared to net income of $ 30 million , or a $ 0.06 net loss per unit for the second quarter of 2020. Earnings before interest , taxes , depreciation and amortization ( EBITDA ) were $ 189 million for the second quarter of 2021 , up $ 27 million or 17 percent from $ 162 million for the second quarter of 2020 . Distributable cash flow ( DCF ) available to common limited partners was $ 97 million for the second quarter of 2021 , up $ 35 million or 56 percent compared to $ 62 million in the second quarter of 2020. The distribution coverage ratio to common limited partners was 2.22 times for the second quarter of 2021 and 2.03 times for the six months ended June 30 , 2021 . “ Strong improvement in our EBITDA was driven by outperformance across our core strategic asset footprint : our refined products systems , our crude assets and our West Coast Renewable Fuels Network , ” said NuStar president and CEO Brad Barron . Refined Product Systems Back to 100 Percent of Pre - Pandemic Run Rate " Refined product demand has continued to improve as more and more Americans have returned to normal day - to - day activities , " said Barron . " After dipping to an average of 95 percent in the first quarter due to Winter Storm Uri , our second quarter average rebounded back up to 105 percent of pre - pandemic demand , and we are now forecasting 100 percent for the full year . “ Our second quarter refined product throughputs are up 34 percent over the second quarter of 2020 , and also up 19 percent over first quarter 2021. And as vaccination efforts progress , we expect to continue to see sustained recovery in refined product demand in the U.S. and in Mexico , and we continue to expect our refined products systems to perform at around 100 percent of our pre- pandemic run - rate for the remainder of 2021. " Crude Asset Demand Continues to Strengthen Barron continued , “ The strengthening refined product demand we have seen has also increased U.S. refiners ' demand for crude , contributing to higher throughputs for our crude pipelines in the second quarter , which are up 17 percent over the second quarter of 2020 and 13 percent over the first quarter of 2021 .