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    <div style="text-align: center; font-weight: bold;">&#8220;As filed with the Securities and Exchange Commission on May 2, 2023</div>
    <div style="text-align: right; font-weight: bold;">Registration No. 333-</div>
    <div>
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    <div style="text-align: center; font-size: 14pt; font-weight: bold;">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</div>
    <div style="text-align: center; font-size: 12pt; font-weight: bold;">Washington, D.C. 20549</div>
    <div>&#160;</div>
    <div style="text-align: center; font-size: 18pt; font-weight: bold;">FORM S-8</div>
    <div>&#160;</div>
    <div style="text-align: center; font-weight: bold;">REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933</div>
    <div style="font-weight: 400;"> <br>
    </div>
    <div style="font-size: 24pt; font-weight: bold;">
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      <div style="text-align: center;">NUSTAR ENERGY L.P.</div>
    </div>
    <div style="text-align: center;">(Exact name of registrant as specified in its charter)</div>
    <div style="text-align: center;"> <br>
    </div>
    <div style="text-align: center;">
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    <div>&#160;</div>
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            <div style="text-align: center; font-weight: bold;">Delaware</div>
            <div style="text-align: center;">(State or other jurisdiction of incorporation or organization)</div>
          </td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 49%; vertical-align: top;">
            <div style="text-align: center; font-weight: bold;">74-2956831</div>
            <div style="text-align: center;">(I.R.S. Employer Identification No.)</div>
          </td>
        </tr>
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          <td style="width: 49%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 49%; vertical-align: top;">&#160;</td>
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          <td style="width: 49%; vertical-align: top;">
            <div style="text-align: center; font-weight: bold;">19003 IH 10 West</div>
            <div style="text-align: center; font-weight: bold;">San Antonio, Texas</div>
            <div style="text-align: center;">(Address of Principal Executive Offices)</div>
          </td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 49%; vertical-align: top;">
            <div style="text-align: center; font-weight: bold;">78257</div>
            <div style="text-align: center;">(Zip Code)</div>
          </td>
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    <div>&#160;</div>
    <div style="text-align: center; font-weight: bold;">AMENDED AND RESTATED NUSTAR ENERGY L.P. 2019 LONG-TERM INCENTIVE PLAN</div>
    <div style="text-align: center;">(Full title of plan)</div>
    <div style="text-align: center;"> <br>
    </div>
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    <div>&#160;</div>
    <div style="text-align: center; font-weight: bold;">Amy L. Perry</div>
    <div style="text-align: center; font-weight: bold;">Executive Vice President &#8211; Strategic Development and General Counsel</div>
    <div style="text-align: center; font-weight: bold;">NuStar Energy L.P.</div>
    <div style="text-align: center; font-weight: bold;">19003 IH-10 West</div>
    <div style="text-align: center; font-weight: bold;">San Antonio, Texas 78257</div>
    <div style="text-align: center; font-weight: bold;">(210) 918-2000</div>
    <div style="text-align: center;">(Name, address and telephone number, including area code, of agent for service)</div>
    <div style="text-align: center;"> <br>
    </div>
    <div>
      <hr noshade="noshade" align="center" style="height: 2px; width: 25%; color: #000000; background-color: #000000; text-align: center; margin-left: auto; margin-right: auto; border: none;"></div>
    <div>&#160;</div>
    <div style="text-align: justify;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company or an emerging growth company. See the definitions of &#8220;large
      accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</div>
    <div>&#160;</div>
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          <td style="width: 4.31%; vertical-align: top;">&#160;</td>
          <td style="width: 40%; vertical-align: top;">
            <div>Large accelerated filer&#160; &#9746;</div>
          </td>
          <td style="width: 56%; vertical-align: top;">
            <div>Accelerated filer&#160; &#9744;</div>
          </td>
        </tr>
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          <td style="width: 4.31%; vertical-align: top;">&#160;</td>
          <td style="width: 40%; vertical-align: top;">
            <div>Non-accelerated filer&#160; &#9744;</div>
          </td>
          <td style="width: 56%; vertical-align: top;">
            <div style="font-size: 8pt;"><font style="font-size: 10pt;">Smaller reporting company&#160; </font>&#9744;</div>
          </td>
        </tr>
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          <td style="width: 4.31%; vertical-align: top;">&#160;</td>
          <td style="width: 40%; vertical-align: top;">&#160;</td>
          <td style="width: 56%; vertical-align: top;">
            <div>Emerging growth company&#160; &#9744;</div>
          </td>
        </tr>

    </table>
    <div style="text-align: justify; font-size: 8pt;"><font style="font-size: 10pt; color: #000000;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or
        revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.&#160;&#160; </font>&#9744;</div>
    <div><br>
    </div>
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    <div style="text-align: center; font-weight: bold;">NOTE</div>
    <div>&#160;</div>
    <div style="text-align: center; font-weight: bold;">REGISTRATION OF ADDITIONAL COMMON UNITS AND INCORPORATION OF CERTAIN INFORMATION BY REFERENCE PURSUANT TO GENERAL INSTRUCTION E OF FORM S-8</div>
    <div>&#160;</div>
    <div style="text-align: justify;">This Registration Statement on Form S-8 is being filed by NuStar Energy L.P. (the &#8220;Registrant&#8221;), relating to 3,954,000 common units representing limited partner interests of the Registrant (the &#8220;Common Units&#8221;),
      issuable to eligible employees, consultants and directors of NuStar GP, LLC, the Registrant and their respective affiliates under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (the &#8220;Plan&#8221;). The Registrant filed with the
      Securities and Exchange Commission (the &#8220;Commission&#8221;) on April 24, 2019 a Registration Statement on Form S-8 (Registration No. 333-231004) and on April 30, 2021 a Registration Statement on Form S-8 (Registration No. 333-255637) relating to Common
      Units issuable to eligible employees, consultants and directors of NuStar GP, LLC, the Registrant and their respective affiliates under the Plan (the &#8220;Prior Registration Statements&#8221;). The Prior Registration Statements are currently effective. This
      Registration Statement relates to securities of the same class as those to which the Prior Registration Statements relate and is submitted in accordance with General Instruction E of Form S-8 regarding Registration of Additional Securities. Pursuant
      to General Instruction E of Form S-8, the contents of the Prior Registration Statements are incorporated herein by reference and made part of this Registration Statement, except as amended hereby.</div>
    <div>&#160;</div>
    <div style="text-align: center; font-weight: bold;">PART II</div>
    <div>&#160;</div>
    <div style="text-align: center; font-weight: bold;">INFORMATION REQUIRED IN REGISTRATION STATEMENT</div>
    <div>&#160;</div>
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              <div style="text-align: left; font-weight: bold;">ITEM 3.</div>
            </td>
            <td style="align: left; vertical-align: top; width: auto;">
              <div style="text-align: left; font-weight: bold;">INCORPORATION OF DOCUMENTS BY REFERENCE.</div>
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    <div>&#160;</div>
    <div style="text-align: justify;">The following documents previously filed by the Registrant with the Commission are incorporated by reference into this Registration Statement:</div>
    <div>&#160;</div>
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          </td>
          <td style="width: 18pt; vertical-align: top;">(1)</td>
          <td style="width: auto; vertical-align: top; text-align: justify;">
            <div>The Registrant&#8217;s Annual Report on Form 10-K for the fiscal year ended December 31, 2022, filed with the Commission on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/1110805/000111080523000010/ns-20221231.htm">February 23, 2023</a>;</div>
          </td>
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    <div>&#160;</div>
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          <td style="width: 18pt;"><br>
          </td>
          <td style="width: 18pt; vertical-align: top;">(2)</td>
          <td style="width: auto; vertical-align: top; text-align: justify;">
            <div>The Registrant&#8217;s Current Reports on Form 8-K, filed with the Commission on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/1110805/000111080523000006/ns-20230215.htm">February 16, 2023</a><font style="color: rgb(0, 0, 0);">,</font>
              <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/1110805/000114036123013732/brhc10050121_8k.htm">March 24, 2023<font style="color: rgb(0, 0, 0);">;</font></a> and <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/1110805/000111080523000019/ns-20230427.htm">April 28, 2023</a><br>
            </div>
          </td>
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    <div>&#160;</div>
    <table cellspacing="0" cellpadding="0" id="z434d711a32f84596941c783b1899f4b6" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

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          </td>
          <td style="width: 18pt; vertical-align: top;">(3)</td>
          <td style="width: auto; vertical-align: top; text-align: justify;">
            <div>The description of the Common Units under the caption &#8220;Description of Common Units,&#8221; contained in the Registrant&#8217;s registration statement on Form S-4 (File No. 333-223671) initially filed with the Commission on March 15, 2018, and any
              amendments or reports filed for the purpose of updating such description.</div>
          </td>
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    </table>
    <div>&#160;</div>
    <div style="text-align: justify;">All documents subsequently filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), after the date of this
      Registration Statement and prior to the filing of a post-effective amendment to this Registration Statement which indicates that all securities offered hereby have been sold or that deregisters all securities then remaining unsold, shall be deemed to
      be incorporated by reference herein and to be a part hereof from the respective dates of filing of such documents (such documents, and the documents enumerated above, being herein referred to as &#8220;Incorporated Documents&#8221;).</div>
    <div>&#160;</div>
    <div style="text-align: justify;">Any statement contained in an Incorporated Document shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in any other subsequently
      filed Incorporated Document modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.</div>
    <div>&#160;</div>
    <div style="text-align: justify;">Notwithstanding the foregoing, unless specifically stated to the contrary, none of the information disclosed by the Registrant under Items 2.02 or 7.01 of any Current Report on Form 8-K, including the related exhibits
      under Item 9.01, that the Registrant may from time to time furnish to the Commission will be incorporated by reference into, or otherwise included in, this Registration Statement.</div>
    <div>&#160;</div>
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            <td style="vertical-align: top; width: 45pt;">
              <div style="text-align: left; font-weight: bold;">ITEM 8.</div>
            </td>
            <td style="align: left; vertical-align: top; width: auto;">
              <div style="text-align: left; font-weight: bold;">EXHIBITS.</div>
            </td>
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    </div>
    <div>&#160;</div>
    <table cellspacing="0" cellpadding="0" border="0" id="zdf077302ed5043d0bd2d6a957393398d" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

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          <td style="width: 10.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div>
              <div style="font-weight: bold;">Exhibit Number</div>
            </div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: bottom; border-bottom: 2px solid rgb(0, 0, 0);">
            <div>
              <div style="text-align: center; font-weight: bold;">Exhibit Description</div>
            </div>
          </td>
          <td style="width: 2%; vertical-align: bottom; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: bottom; border-bottom: 2px solid rgb(0, 0, 0);">
            <div>
              <div style="text-align: center; font-weight: bold;">Incorporated by Reference</div>
            </div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000091205702011661/a2074268zex-3_3.txt">4.1</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Amended and Restated Certificate of Limited Partnership of Shamrock Logistics, L.P. (n/k/a NuStar Energy L.P.), effective January 1, 2002</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Annual Report on Form 10-K for year ended December 31, 2001 (File No. 001-16417), Exhibit 3.3</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000111080507000004/f8kexh3vli.htm">4.2</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Amendment to Certificate of Limited Partnership of Valero L.P. (n/k/a NuStar Energy L.P.), dated March 21, 2007 and effective April 1, 2007</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div>NuStar Energy L.P.&#8217;s Current Report on Form 8-K filed March 27, 2007 (File No. 001-16417), Exhibit 3.01</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000119312518222276/d687254dex31.htm">4.3</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Eighth Amended and Restated Agreement of Limited Partnership of NuStar Energy L.P., dated as of July 20, 2018</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Current Report on Form 8-K filed July 20, 2018 (File No. 001-16417), Exhibit 3.1</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000095012900004133/ex3-7.txt">4.4</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Certificate of Limited Partnership of Riverwalk Logistics, L.P., dated as of June 5, 2000</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Registration Statement on Form S-1 filed August 14, 2000 (File No. 333-43668), Exhibit 3.7</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000091205702011661/a2074268zex-3_16.txt">4.5</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>First Amended and Restated Limited Partnership Agreement of Riverwalk Logistics, L.P., dated as of April 16, 2001</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Annual Report on Form 10-K for year ended December 31, 2001 (File No. 001-16417), Exhibit 3.16</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000095012900004133/ex3-9.txt">4.6</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Certificate of Formation of Shamrock Logistics GP, LLC (n/k/a NuStar GP, LLC), dated as of December 7, 1999</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Registration Statement on Form S-1 filed August 14, 2000 (File No. 333-43668), Exhibit 3.9</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000091205702011661/a2074268zex-3_14.txt">4.7</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Certificate of Amendment to Certificate of Formation of Shamrock Logistics GP, LLC (n/k/a NuStar GP, LLC), dated as of December 31, 2001</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Annual Report on Form 10-K for year ended December 31, 2001 (File No. 001-16417), Exhibit 3.14</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000119312507108394/dex302.htm">4.8</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Certificate of Amendment to Certificate of Formation of Valero GP, LLC (n/k/a NuStar GP, LLC), dated March 21, 2007 and effective April 1, 2007</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Quarterly Report on Form 10-Q for quarter ended March 31, 2007 (File No. 001-16417), Exhibit 3.02</div>
          </td>
        </tr>
        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/1110805/000119312518222276/d687254dex32.htm">4.9</a></div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Second Amended and Restated Limited Liability Company Agreement of NuStar GP, LLC, dated as of July 20, 2018</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar Energy L.P.&#8217;s Current Report on Form 8-K filed July 20, 2018 (File No. 001-16417), Exhibit 3.2</div>
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        <tr>
          <td style="width: 10.18%; vertical-align: top;">
            <div><a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/1110805/000111080523000019/ns-20230427.htm">4.10</a></div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
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            <div>Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
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              <div>NuStar Energy L.P.&#8217;s Current Report on Form 8-K filed April 28, 2023 (File No. 001-16417), Exhibit 10.1</div>
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          <td style="width: 10.18%; vertical-align: top;">
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Opinion of Sidley Austin LLP with respect to the validity of issuance of securities</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
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          <td style="width: 10.18%; vertical-align: top;">
            <div><a href="brhc20052199_ex23-1.htm">23.1</a></div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div>*</div>
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          <td style="width: 10.18%; vertical-align: top;">
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
            <div>*</div>
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          <td style="width: 10.18%; vertical-align: top;">
            <div><a href="#POWEROFATTORNEY">24.1</a></div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">
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          <td style="width: 10.18%; vertical-align: top;">
            <div><a href="brhc20052199_ex107.htm">107</a></div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 44%; vertical-align: top;">
            <div>Filing fee table</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 42%; vertical-align: top;">&#160;</td>
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      <hr noshade="noshade" align="left" style="height: 2px; width: 15%; color: #000000; background-color: #000000; margin-left: 0px; margin-right: auto; border: none;">* Filed herewith.</div>
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    <div style="text-align: center; font-weight: bold;">SIGNATURES</div>
    <div>&#160;</div>
    <div style="text-align: justify;">Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this
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    <div>&#160;</div>
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          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="vertical-align: top;" colspan="2">
            <div style="color: rgb(0, 0, 0);">NUSTAR ENERGY L.P.</div>
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        </tr>
        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="vertical-align: top;" colspan="2">&#160;</td>
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        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="width: 5%; vertical-align: top;">
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          <td style="width: 45%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">Riverwalk Logistics, L.P.</div>
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        </tr>
        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="width: 5%; vertical-align: top;">&#160;</td>
          <td style="width: 45%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">its general partner</div>
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        <tr>
          <td style="width: 50%; vertical-align: top;" rowspan="1">&#160;</td>
          <td style="width: 5%; vertical-align: top;" rowspan="1">&#160;</td>
          <td style="width: 45%; vertical-align: top;" rowspan="1">&#160;</td>
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        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="width: 5%; vertical-align: top;">
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          <td style="width: 45%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">NuStar GP, LLC</div>
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        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="width: 5%; vertical-align: top;">&#160;</td>
          <td style="width: 45%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">Its general partner</div>
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        </tr>
        <tr>
          <td style="width: 50%; vertical-align: top;" rowspan="1">&#160;</td>
          <td style="width: 5%; vertical-align: top;" rowspan="1">&#160;</td>
          <td style="width: 45%; vertical-align: top;" rowspan="1">&#160;</td>
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        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="width: 5%; vertical-align: top;">
            <div style="color: rgb(0, 0, 0);">By:</div>
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          <td style="width: 45%; vertical-align: top; border-bottom: 2px solid black;">
            <div style="color: rgb(0, 0, 0);">/s/ Bradley C. Barron</div>
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        </tr>
        <tr>
          <td style="width: 50%; vertical-align: top;">&#160;</td>
          <td style="width: 5%; vertical-align: top;">&#160;</td>
          <td style="width: 45%; vertical-align: top;">
            <div><font style="color: #000000;">Bradley C. Barron, Chairman of the Board </font>President and Chief Executive Officer</div>
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    <div><br>
    </div>
    <div style="text-align: center; color: #000000; font-weight: bold;">POWER OF ATTORNEY<a name="POWEROFATTORNEY"><!--Anchor--></a></div>
    <div>&#160;</div>
    <div style="text-align: justify; color: #000000;">KNOWN TO ALL PERSONS BY THESE PRESENTS, we, the undersigned officers and directors of NuStar Energy L.P., hereby severally constitute and appoint Bradley C. Barron, Thomas R. Shoaf and Amy L. Perry,
      each acting alone as an attorney-in-fact with the full power of substitution, for and in the name, place and stead of each of us in any and all capacities, to sign any and all amendments to this Registration Statement, and to file the same, with all
      exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorneys-in-fact, or either of their substitute or substitutes, may do or cause to be done by
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    <div>&#160;</div>
    <div style="text-align: justify; color: #000000;">Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.</div>
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            <div>
              <div style="text-align: center; font-weight: bold;">Signature</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
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              <div style="text-align: center; font-weight: bold;">Date</div>
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        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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        <tr>
          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ Bradley C. Barron</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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        <tr>
          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Bradley C. Barron</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">
            <div style="text-align: center;">(Principal Executive Officer)</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ Thomas R. Shoaf</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Executive Vice President and Chief Financial Officer</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
          </td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Thomas R. Shoaf</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">
            <div style="text-align: center;">(Principal Financial Officer)</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ Jorge A. del Alamo</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Senior Vice President and Controller</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Jorge A. del Alamo</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">
            <div style="text-align: center;">(Principal Accounting Officer)</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ J. Dan Bates</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Director</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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        <tr>
          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">J. Dan Bates</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ Jelynne LeBlanc Burley</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Director</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Jelynne LeBlanc Burley</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ William B. Burnett</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Director</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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        <tr>
          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">William B. Burnett</div>
          </td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ Ed A. Grier</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Director</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Ed A. Grier</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
            <div style="text-align: center;">/s/ Dan J. Hill</div>
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          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">Director</div>
          </td>
          <td style="width: 2%; vertical-align: top; padding-bottom: 2px;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Dan J. Hill</div>
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
        </tr>
        <tr>
          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 28.86%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
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          <td style="width: 2%; vertical-align: top;" colspan="1">&#160;</td>
          <td style="width: 47%; vertical-align: top;">&#160;</td>
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          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 47%; vertical-align: top;">&#160;</td>
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          <td style="width: 47%; vertical-align: top; padding-bottom: 2px;">
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          <td style="width: 19.86%; vertical-align: top; padding-bottom: 2px;">
            <div style="text-align: center;">May 2, 2023</div>
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          <td style="width: 28.86%; vertical-align: top;">
            <div style="text-align: center;">Martin Salinas, Jr.</div>
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          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 28.86%; vertical-align: top;">&#160;</td>
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          <td style="width: 47%; vertical-align: top;">&#160;</td>
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          <td style="width: 19.86%; vertical-align: top;">&#160;</td>
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            <div style="text-align: center;">May 2, 2023</div>
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            <div style="text-align: center;">Suzanne Allford Wade</div>
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[{"type": "S-8", "sequence": "1", "filename": "brhc20052199_s8.htm", "description": "S-8", "secsgml_size_bytes": 55568}]
{"company-data": {"conformed-name": "NuStar Energy L.P.", "cik": "0001110805", "assigned-sic": "4610", "irs-number": "742956831", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-271572", "film-number": "23877408"}, "business-address": {"street1": "19003 IH-10 WEST", "city": "SAN ANTONIO", "state": "TX", "zip": "78257", "phone": "(210) 918-2000"}, "mail-address": {"street1": "19003 IH-10 WEST", "city": "SAN ANTONIO", "state": "TX", "zip": "78257"}, "former-company": [{"former-conformed-name": "VALERO L P", "date-changed": "20020110"}, {"former-conformed-name": "SHAMROCK LOGISTICS LP", "date-changed": "20000331"}]}
"As filed with the Securities and Exchange Commission on May 2, 2023
Registration No. 333-
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
NUSTAR ENERGY L.P.
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of incorporation or organization)
74-2956831
(I.R.S. Employer Identification No.)
19003 IH 10 West
San Antonio, Texas
(Address of Principal Executive Offices)
78257
(Zip Code)
AMENDED AND RESTATED NUSTAR ENERGY L.P. 2019 LONG-TERM INCENTIVE PLAN
(Full title of plan)
Amy L. Perry
Executive Vice President – Strategic Development and General Counsel
NuStar Energy L.P.
19003 IH-10 West
San Antonio, Texas 78257
(210) 918-2000
(Name, address and telephone number, including area code, of agent for service)
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company or an emerging growth company. See the definitions of "large
      accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer  ☒
Accelerated filer  ☐
Non-accelerated filer  ☐
Smaller reporting company
☐
Emerging growth company  ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or
        revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.
☐
NOTE
REGISTRATION OF ADDITIONAL COMMON UNITS AND INCORPORATION OF CERTAIN INFORMATION BY REFERENCE PURSUANT TO GENERAL INSTRUCTION E OF FORM S-8
This Registration Statement on Form S-8 is being filed by NuStar Energy L.P. (the "Registrant"), relating to 3,954,000 common units representing limited partner interests of the Registrant (the "Common Units"),
      issuable to eligible employees, consultants and directors of NuStar GP, LLC, the Registrant and their respective affiliates under the Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan (the "Plan"). The Registrant filed with the
      Securities and Exchange Commission (the "Commission") on April 24, 2019 a Registration Statement on Form S-8 (Registration No. 333-231004) and on April 30, 2021 a Registration Statement on Form S-8 (Registration No. 333-255637) relating to Common
      Units issuable to eligible employees, consultants and directors of NuStar GP, LLC, the Registrant and their respective affiliates under the Plan (the "Prior Registration Statements"). The Prior Registration Statements are currently effective. This
      Registration Statement relates to securities of the same class as those to which the Prior Registration Statements relate and is submitted in accordance with General Instruction E of Form S-8 regarding Registration of Additional Securities. Pursuant
      to General Instruction E of Form S-8, the contents of the Prior Registration Statements are incorporated herein by reference and made part of this Registration Statement, except as amended hereby.
PART II
INFORMATION REQUIRED IN REGISTRATION STATEMENT
ITEM 3.
INCORPORATION OF DOCUMENTS BY REFERENCE.
The following documents previously filed by the Registrant with the Commission are incorporated by reference into this Registration Statement:
(1)
The Registrant's Annual Report on Form 10-K for the fiscal year ended December 31, 2022, filed with the Commission on
February 23, 2023
;
(2)
The Registrant's Current Reports on Form 8-K, filed with the Commission on
February 16, 2023
,
March 24, 2023
;
and
April 28, 2023
(3)
The description of the Common Units under the caption "Description of Common Units," contained in the Registrant's registration statement on Form S-4 (File No. 333-223671) initially filed with the Commission on March 15, 2018, and any
              amendments or reports filed for the purpose of updating such description.
All documents subsequently filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), after the date of this
      Registration Statement and prior to the filing of a post-effective amendment to this Registration Statement which indicates that all securities offered hereby have been sold or that deregisters all securities then remaining unsold, shall be deemed to
      be incorporated by reference herein and to be a part hereof from the respective dates of filing of such documents (such documents, and the documents enumerated above, being herein referred to as "Incorporated Documents").
Any statement contained in an Incorporated Document shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in any other subsequently
      filed Incorporated Document modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
Notwithstanding the foregoing, unless specifically stated to the contrary, none of the information disclosed by the Registrant under Items 2.02 or 7.01 of any Current Report on Form 8-K, including the related exhibits
      under Item 9.01, that the Registrant may from time to time furnish to the Commission will be incorporated by reference into, or otherwise included in, this Registration Statement.
ITEM 8.
EXHIBITS.
Exhibit Number
Exhibit Description
Incorporated by Reference
4.1
Amended and Restated Certificate of Limited Partnership of Shamrock Logistics, L.P. (n/k/a NuStar Energy L.P.), effective January 1, 2002
NuStar Energy L.P.'s Annual Report on Form 10-K for year ended December 31, 2001 (File No. 001-16417), Exhibit 3.3
4.2
Amendment to Certificate of Limited Partnership of Valero L.P. (n/k/a NuStar Energy L.P.), dated March 21, 2007 and effective April 1, 2007
NuStar Energy L.P.'s Current Report on Form 8-K filed March 27, 2007 (File No. 001-16417), Exhibit 3.01
4.3
Eighth Amended and Restated Agreement of Limited Partnership of NuStar Energy L.P., dated as of July 20, 2018
NuStar Energy L.P.'s Current Report on Form 8-K filed July 20, 2018 (File No. 001-16417), Exhibit 3.1
4.4
Certificate of Limited Partnership of Riverwalk Logistics, L.P., dated as of June 5, 2000
NuStar Energy L.P.'s Registration Statement on Form S-1 filed August 14, 2000 (File No. 333-43668), Exhibit 3.7
4.5
First Amended and Restated Limited Partnership Agreement of Riverwalk Logistics, L.P., dated as of April 16, 2001
NuStar Energy L.P.'s Annual Report on Form 10-K for year ended December 31, 2001 (File No. 001-16417), Exhibit 3.16
4.6
Certificate of Formation of Shamrock Logistics GP, LLC (n/k/a NuStar GP, LLC), dated as of December 7, 1999
NuStar Energy L.P.'s Registration Statement on Form S-1 filed August 14, 2000 (File No. 333-43668), Exhibit 3.9
4.7
Certificate of Amendment to Certificate of Formation of Shamrock Logistics GP, LLC (n/k/a NuStar GP, LLC), dated as of December 31, 2001
NuStar Energy L.P.'s Annual Report on Form 10-K for year ended December 31, 2001 (File No. 001-16417), Exhibit 3.14
4.8
Certificate of Amendment to Certificate of Formation of Valero GP, LLC (n/k/a NuStar GP, LLC), dated March 21, 2007 and effective April 1, 2007
NuStar Energy L.P.'s Quarterly Report on Form 10-Q for quarter ended March 31, 2007 (File No. 001-16417), Exhibit 3.02
4.9
Second Amended and Restated Limited Liability Company Agreement of NuStar GP, LLC, dated as of July 20, 2018
NuStar Energy L.P.'s Current Report on Form 8-K filed July 20, 2018 (File No. 001-16417), Exhibit 3.2
4.10
Amended and Restated NuStar Energy L.P. 2019 Long-Term Incentive Plan
NuStar Energy L.P.'s Current Report on Form 8-K filed April 28, 2023 (File No. 001-16417), Exhibit 10.1
5.1
Opinion of Sidley Austin LLP with respect to the validity of issuance of securities
*
23.1
Consent of KPMG LLP
*
23.2
Consent of Sidley Austin LLP (contained in Exhibit 5.1)
*
24.1
Powers of Attorney Power of Attorney (set forth on the signature page of this Registration Statement)
*
107
Filing fee table
* Filed herewith.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this
      Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of San Antonio, State of Texas, on May 2, 2023.
NUSTAR ENERGY L.P.
By:
Riverwalk Logistics, L.P.
its general partner
By:
NuStar GP, LLC
Its general partner
By:
/s/ Bradley C. Barron
Bradley C. Barron, Chairman of the Board
President and Chief Executive Officer
POWER OF ATTORNEY
KNOWN TO ALL PERSONS BY THESE PRESENTS, we, the undersigned officers and directors of NuStar Energy L.P., hereby severally constitute and appoint Bradley C. Barron, Thomas R. Shoaf and Amy L. Perry,
      each acting alone as an attorney-in-fact with the full power of substitution, for and in the name, place and stead of each of us in any and all capacities, to sign any and all amendments to this Registration Statement, and to file the same, with all
      exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorneys-in-fact, or either of their substitute or substitutes, may do or cause to be done by
      virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ Bradley C. Barron
Chairman of the Board, President and Chief Executive
May 2, 2023
Bradley C. Barron
(Principal Executive Officer)
/s/ Thomas R. Shoaf
Executive Vice President and Chief Financial Officer
May 2, 2023
Thomas R. Shoaf
(Principal Financial Officer)
/s/ Jorge A. del Alamo
Senior Vice President and Controller
May 2, 2023
Jorge A. del Alamo
(Principal Accounting Officer)
/s/ J. Dan Bates
Director
May 2, 2023
J. Dan Bates
/s/ Jelynne LeBlanc Burley
Director
May 2, 2023
Jelynne LeBlanc Burley
/s/ William B. Burnett
Director
May 2, 2023
William B. Burnett
/s/ Ed A. Grier
Director
May 2, 2023
Ed A. Grier
/s/ Dan J. Hill
Director
May 2, 2023
Dan J. Hill
/s/ Robert J. Munch
Director
May 2, 2023
Robert J. Munch
/s/ W. Grady Rosier
Director
May 2, 2023
W. Grady Rosier
/s/ Martin Salinas, Jr.
Director
May 2, 2023
Martin Salinas, Jr.
/s/ Suzanne Allford Wade
Director
May 2, 2023
Suzanne Allford Wade