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&lt;p class="MsoNormal"&gt;&lt;strong&gt;&lt;em&gt;&lt;font style="font-size: 16.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;1. Interim Period Disclosures -&lt;/font&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="text-align: justify; margin: 14.0pt 0in 14.0pt 0in;"&gt;&lt;font style="font-size: 16.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;Because this is an interim period presentation, this report should be read along with the Products (SE) Pipe Line Corporation (&amp;#8220;the Company&amp;#8221;, &amp;#8220;our&amp;#8221;) 2025 Annual Form 6 financial statements for more information. For the three months ended March 31, 2026, there have been no significant changes to the disclosures in our 2025 Form 6, Page 122, Notes to Financial Statements.&lt;/font&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="margin: 14.0pt 0in 14.0pt 0in;"&gt;&lt;strong&gt;&lt;em&gt;&lt;font style="font-size: 16.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;2. Commitments and Contingencies - &lt;/font&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="text-align: justify; margin: 14.0pt 0in 14.0pt 0in;"&gt;&lt;strong&gt;&lt;em&gt;&lt;font style="font-size: 16.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;Legal Matters -&lt;/font&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="text-align: justify; line-height: 120%; margin: 3.0pt 0in 14.0pt 0in;"&gt;&lt;font style="font-size: 16.0pt; line-height: 120%; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;We are party to various legal, regulatory, and other matters arising from the day-to-day operations of our business that may result in claims against the Company. Although no assurance can be given, we believe, based on our experiences to date and taking into account accrued liabilities and insurance, that the ultimate resolution of such items will not have a material adverse impact to our financial position, cash flows, or operating results. We believe we have numerous and substantial defenses to the matters to which we are a party and intend to vigorously defend the Company. When we determine a loss is probable of occurring and is reasonably estimable, we accrue an undiscounted liability for such contingencies based on our best estimate using information available at that time. If the estimated loss is a range of potential outcomes and there is no better estimate within the range, we accrue the amount at the low end of the range. We disclose contingencies where an adverse outcome may be material or, in the judgment of management, we conclude the matter should otherwise be disclosed.&lt;/font&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="text-align: justify; line-height: 120%; margin: 3.0pt 0in 14.0pt 0in;"&gt;&lt;font style="font-size: 16.0pt; line-height: 120%; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;There are currently no material legal proceedings against the Company as of March 31, 2026. &lt;/font&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="text-align: justify; line-height: 120%; margin: 3.0pt 0in 14.0pt 0in;"&gt;&lt;strong&gt;&lt;em&gt;&lt;font style="font-size: 16.0pt; line-height: 120%; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial;"&gt;Environmental Matters -&lt;/font&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p class="MsoNormal" style="text-align: justify; background: white;"&gt;&lt;font style="font-size: 16.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial; color: black; mso-color-alt: windowtext;"&gt;We are subject to environmental cleanup and enforcement actions from time to time. In particular, the Comprehensive Environmental Response, Compensation and Liability Act generally imposes joint and several liability for cleanup and enforcement costs on current and predecessor owners and operators of a site, among others, without regard to fault or the legality of the original conduct, subject to the right of a liable party to establish a "reasonable basis" for apportionment of costs. Our operations are also subject to federal, state, and local laws and regulations relating to protection of the environment. Although we believe our operations are in substantial compliance with applicable environmental laws and regulations, risks of additional costs and liabilities are inherent in our operations, and there can be no assurance that we will not incur significant costs and liabilities. Moreover, it is possible that other developments could result in substantial costs and liabilities to us, such as increasingly stringent environmental laws, regulations, and enforcement policies under the terms of authority of those laws, and claims for damages to property or persons resulting from our operations. Although it is not possible to predict the ultimate outcomes, we believe that the resolution of the environmental matters, and other matters to which we are a party, will not have a material adverse effect on our financial position, cash flows, or operating results. &lt;/font&gt;&lt;/p&gt;
&lt;p&gt;&amp;#160;&lt;/p&gt;&lt;/div&gt;</ferc:NotesToFinancialStatementsTextBlock>
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  <ferc:AttestationName id="Tag324" contextRef="C1">Howard E. Hamilton, Jr.</ferc:AttestationName>
  <ferc:AttestationTitle id="Tag325" contextRef="C1">Vice President</ferc:AttestationTitle>
  <ferc:CorporateOfficerCertificationSignature id="Tag326" contextRef="C1">/s/ Howard E. Hamilton, Jr.</ferc:CorporateOfficerCertificationSignature>
  <ferc:AttestationDate id="Tag327" contextRef="C1">2026-06-04</ferc:AttestationDate>
  <ferc:FormType id="Tag328" contextRef="C1">6-Q</ferc:FormType>
  <ferc:RespondentLegalName id="Tag329" contextRef="C1">Products (SE) Pipe Line Corporation</ferc:RespondentLegalName>
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  <ferc:AddressOfPrincipalOfficeAtEndOfPeriod id="Tag333" contextRef="C1">1001 Louisiana Street, Suite 1000, Houston, TX 77002</ferc:AddressOfPrincipalOfficeAtEndOfPeriod>
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          <xhtml:span style="font-family: arial, helvetica, sans-serif; font-size: 18pt;">Includes salaries and wages from affiliates.</xhtml:span>
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          <xhtml:span style="font-family: arial, helvetica, sans-serif; font-size: 18pt;">Cash and Cash equivalents consists of Cash (Account 10) of $2,553,126 and Temporary Investments (Account 11) of $38,356,290.</xhtml:span>
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          <xhtml:span style="font-family: arial, helvetica, sans-serif; font-size: 18pt;">Cash and Cash Equivalents consists of Temporary Investments (Account 11) of $14,617,027</xhtml:span>.</xhtml:p>
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          <xhtml:span style="font-family: arial, helvetica, sans-serif; font-size: 24px;">Cash and Cash equivalents consists of Cash (Account 10) of $4,884,986 and Temporary Investments (Account 11) of $26,333,639.</xhtml:span>
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          <xhtml:span style="font-family: arial, helvetica, sans-serif; font-size: 18pt;">Cash and Cash Equivalents at End of Period consists of Cash (Account 10) of $4,535,224 and Temporary Investments (Account 11) of $18,691,895.</xhtml:span>
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          <xhtml:span style="font-size: 18.0pt; line-height: 115%; font-family: 'Arial',sans-serif;">Pursuant to the Federal Energy Regulatory Commission's Order Denying Petition and Granting Remedies issued November 20, 2025, we have included in Page 300, in revenue account 210, the amount of $12,720,039 related to correcting invoices from March 1, 2022 to September 17, 2024.</xhtml:span>
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