NuStar Energy L.P. | Business Contracts

Lease Agreement between NuStar Logistics, L.P. as Tenant and NS San Antonio TX Landlord, LLC as Landlord, dated March 21, 2023 (Filed With SEC on March 24, 2023)

Form of 2022 Non-employee Director Restricted Unit Award Agreement under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on February 23, 2023)

Description of Securities (Filed With SEC on February 23, 2023)

Second Amended and Restated 5-Year Revolving Credit Agreement, dated as of January 28, 2022, among NuStar Logistics, L.P., NuStar Energy L.P., NuStar Pipeline Operating... (Filed With SEC on January 31, 2022)

Fifth Amendment to Receivables Financing Agreement, dated as of September 3, 2020, by and among NuStar Finance, LLC, as Borrower, NuStar Energy L.P., as initial Servicer, and PNC... (Filed With SEC on September 3, 2020)

Form of 2022 Restricted Unit Award Agreement under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on February 23, 2023)

Form of 2022 Performance Cash Award Agreement under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on May 6, 2022)

Form of 2021 Non-employee Director Restricted Unit Award Agreement under the NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on February 24, 2022)

Form of 2021 Restricted Unit Award Agreement under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on February 24, 2022)

Description of Securities (Filed With SEC on February 24, 2022)

Form of 2021 Performance Cash Award Agreement under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on August 6, 2021)

Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on April 30, 2021)

Form of 2020 Restricted Unit Award Agreement under the NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on February 25, 2021)

Description of Securities (Filed With SEC on February 25, 2021)

Ninth Amendment to Amended and Restated 5-Year Revolving Credit Agreement, dated as of February 16, 2021, among NuStar Logistics, L.P., NuStar Energy L.P., NuStar Pipeline... (Filed With SEC on February 18, 2021)

Tenth Supplemental Indenture, dated as of September 14, 2020, among NuStar Logistics, L.P., as Issuer, NuStar Energy L.P., as Guarantor, NuStar Pipeline Operating Partnership... (Filed With SEC on September 14, 2020)

Underwriting Agreement, dated September 9, 2020, by and among NuStar Energy L.P., NuStar Logistics, L.P., NuStar Pipeline Operating Partnership L.P., Riverwalk Logistics, L.P.,... (Filed With SEC on September 14, 2020)

Form of 2020 Performance Cash Award Agreement under the NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on August 7, 2020)

First Supplement and Amendment to Lease Agreement (Series 2010B), dated June 1, 2020, among the Parish of St. James, State of Louisiana, NuStar Logistics, L.P., NuStar Energy L.P.... (Filed With SEC on June 5, 2020)

First Supplement and Amendment to Lease Agreement (Series 2011), dated June 1, 2020, among the Parish of St. James, State of Louisiana, NuStar Logistics, L.P., NuStar Energy L.P.... (Filed With SEC on June 5, 2020)

First Supplement and Amendment to Lease Agreement (Series 2010A), dated June 1, 2020, among the Parish of St. James, State of Louisiana, NuStar Logistics, L.P., NuStar Energy L.P.... (Filed With SEC on June 5, 2020)

First Supplement and Amendment to Lease Agreement (Series 2010), dated June 1, 2020, among the Parish of St. James, State of Louisiana, NuStar Logistics, L.P., NuStar Energy L.P.... (Filed With SEC on June 5, 2020)

First Supplement and Amendment to Lease Agreement (Series 2008), dated June 1, 2020, among the Parish of St. James, State of Louisiana, NuStar Logistics, L.P., NuStar Energy L.P.... (Filed With SEC on June 5, 2020)

Lease Agreement, dated June 1, 2008, between the Parish of St. James, State of Louisiana and NuStar Logistics, L.P (Filed With SEC on June 5, 2020)

Lease Agreement, dated October 1, 2010, between the Parish of St. James, State of Louisiana and NuStar Logistics, L.P (Filed With SEC on June 5, 2020)

Twelfth Amendment to Letter of Credit Agreement, dated as of April 16, 2020, among NuStar Logistics, L.P., NuStar Energy L.P., the Lenders party thereto and Mizuho Bank, Ltd., as... (Filed With SEC on May 8, 2020)

Term Loan Credit Agreement dated as of April 19, 2020 among NuStar Logistics, L.P., NuStar Energy L.P., the lenders party thereto and Oaktree Fund Administration, LLC (Filed With SEC on April 21, 2020)

Eighth Amendment to Amended and Restated 5-Year Revolving Credit Agreement, dated as of April 6, 2020, among NuStar Logistics, L.P., NuStar Energy L.P., NuStar Pipeline Operating... (Filed With SEC on April 7, 2020)

Seventh Amendment to Amended and Restated 5-Year Revolving Credit Agreement, dated as of March 6, 2020, among NuStar Logistics, L.P., NuStar Energy L.P., NuStar Pipeline Operating... (Filed With SEC on March 6, 2020)

Description of Securities (Filed With SEC on February 27, 2020)

Purchase Agreement, dated as of November 25, 2019, by and between NuStar Energy L.P. and William E. Greehey (Filed With SEC on November 26, 2019)

Sixth Amendment to Amended and Restated 5-Year Revolving Credit Agreement, dated as of September 12, 2019, among NuStar Logistics, L.P., NuStar Energy L.P., NuStar Pipeline... (Filed With SEC on September 12, 2019)

Form of 2019 Performance Unit Award Agreement under the NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on August 9, 2019)

Maturity Extension Letter (Amendment No. 6) to Letter of Credit Agreement and Subsidiary Guaranty Agreement dated as of July 15, 2019 among NuStar Logistics, L.P., NuStar Energy... (Filed With SEC on August 9, 2019)

Underwriting Agreement, dated May 16, 2019, by and among NuStar Logistics, L.P., NuStar Pipeline Operating Partnership L.P., Riverwalk Logistics, L.P., NuStar GP, LLC, NuStar GP,... (Filed With SEC on May 22, 2019)

Ninth Supplemental Indenture, dated as of May 22, 2019, among NuStar Logistics, L.P., as Issuer, NuStar Energy L.P., as Guarantor, NuStar Pipeline Operating Partnership L.P., as... (Filed With SEC on May 22, 2019)

Share Purchase and Sale Agreement dated May 9, 2019 by and among NuStar Pipeline Holding Company, LLC and NuStar Terminals Delaware, Inc. and GTI Statia Holdings N.V (Filed With SEC on May 13, 2019)

Eleventh Amendment to Letter of Credit Agreement, dated as of April 10, 2019, among NuStar Logistics, L.P., NuStar Energy L.P., the Lenders party thereto and Mizuho Bank, Ltd., as... (Filed With SEC on May 10, 2019)

Fourth Amendment to Receivables Financing Agreement, dated as of April 29, 2019, by and among NuStar Finance, LLC, as Borrower, NuStar Energy L.P., as initial Servicer, Mizuho... (Filed With SEC on April 29, 2019)

Form of Non-Employee Director Restricted Unit Award Agreement under the NuStar Energy L.P. Long-Term Incentive Plan (Filed With SEC on April 23, 2019)

Form of Restricted Unit Award Agreement under the NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on April 23, 2019)

NuStar Energy L.P. 2019 Long-Term Incentive Plan (Filed With SEC on April 23, 2019)

NuStar Energy L.P. (42)