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Exhibit 99.1 SUNOCO LP News Release Sunoco LP Announces First Quarter 2021 Financial and Operating Results and Development of Refined Products Terminal in Brownsville , Texas • • • Reports solid first quarter results generating net income of $ 154 million , Adjusted EBITDA ( 1 ) of $ 157 million and Distributable Cash Flow , as adjusted ( ¹ ) of $ 108 million Reaffirms full - year 2021 Adjusted EBITDA ( ¹ ) ( 2 ) guidance of $ 725 to $ 765 million Expands midstream footprint with development of a refined products terminal in Brownsville , Texas DALLAS , May 6 , 2021 - Sunoco LP ( NYSE : SUN ) ( “ SUN ” or the “ Partnership " ) today reported financial and operating results for the three- month period ended March 31 , 2021 . The Partnership's solid first quarter results demonstrate the durability of its business and management's capacity to navigate difficult operating conditions as SUN faced the combined challenges in the quarter from persistently rising commodity prices , ongoing impacts of COVID - 19 , and the effects of Winter Storm Uri . For the three months ended March 31 , 2021 , net income was $ 154 million versus a net loss of $ 128 million in the first quarter of 2020 . Adjusted EBITDA ( 1 ) for the quarter was $ 157 million compared with $ 209 million in the first quarter of 2020. The decline in Adjusted EBITDA ( ¹ ) reflects lower reported fuel volume and margins partially offset by a decline in total operating expenses ( ³ ) . Distributable Cash Flow , as adjusted ( ¹ ) , for the quarter was $ 108 million , compared to $ 159 million a year ago . Volumes and Margins The Partnership sold 1.76 billion gallons of fuel in the first quarter of 2021 versus 1.90 billion in the first quarter of 2020 , a 7.5 % decline . Fuel margin for all gallons sold was 10.3 cents per gallon for the quarter compared to 13.1 cents per gallon a year ago . Fuel margin for the first quarter of 2021 included an $ 18.5 million annual make - up payment under the fuel supply agreement with 7 - Eleven , Inc. versus a $ 12.8 million annual make - up payment in first quarter of 2020. SUN expects volumes to continue to improve through the remainder of the year with increased economic activity . Brownsville , Texas Refined Products Terminal During the quarter , the Partnership advanced its midstream diversification strategy with the development of a refined products terminal at the Port of Brownsville . The greenfield terminal , with 560,000 barrels of storage , will provide supply flexibility to SUN's existing fuel distribution business in South Texas , and position SUN to sell into the growing fuels export market to Mexico . SUN expects the terminal to be in service by the second quarter of 2022 with a total investment of approximately $ 55 million of which approximately $ 40 million will be invested in 2021 . Distribution and Coverage On April 22 , 2021 , the Board of Directors of SUN's general partner declared a distribution for the first quarter of 2021 of $ 0.8255 per unit , or $ 3.3020 per unit on an annualized basis . The distribution will be paid on May 19 , 2021 1