xbrli:pure iso4217:USD utr:mi utr:in utr:bbl C010819 2024-01-01 2024-12-31 C010819 ScheduleCompaniesControlledByRespondentAbstract 2024-01-01 2024-12-31 C010819 ScheduleStatementOfAccumulatedOtherComprehensiveIncomeAndHedgingActivitiesAbstract 2024-01-01 2024-12-31 C010819 ScheduleAppropriatedRetainedIncomeAbstract 2024-01-01 2024-12-31 C010819 ScheduleInvestmentsInAffiliatedCompaniesAbstract 2024-01-01 2024-12-31 C010819 ScheduleInvestmentsInCommonStocksOfAffiliatedCompaniesAbstract 2024-01-01 2024-12-31 C010819 ScheduleInvestInComStocksOfAffiliatedCoCoControlledDirectlyByRespOtherThanThroughTitleToSecuritiesAbstract 2024-01-01 2024-12-31 C010819 ScheduleUndividedJointInterestPropertyAbstract 2024-01-01 2024-12-31 C010819 ScheduleAccruedDepreciationUndividedJointInterestPropertyAbstract 2024-01-01 2024-12-31 C010819 ScheduleAmortizationBaseAndReserveAbstract 2024-01-01 2024-12-31 C010819 ScheduleNoncarrierPropertyAbstract 2024-01-01 2024-12-31 C010819 ScheduleOtherDeferredChargesAbstract 2024-01-01 2024-12-31 C010819 ScheduleLongTermDebtAbstract 2024-01-01 2024-12-31 C010819 ScheduleCapitalStockAbstract 2024-01-01 2024-12-31 C010819 ScheduleCapitalStockChangesDuringTheYearAbstract 2024-01-01 2024-12-31 C010819 ScheduleIncomeFromNoncarrierPropertyAbstract 2024-01-01 2024-12-31 C010819 ScheduleInterestAndDividendIncomeAbstract 2024-01-01 2024-12-31 C010819 SchedulePaymentsForServicesRenderedByOtherThanEmployeesAbstract 2024-01-01 2024-12-31 C010819 ScheduleStatisticsOfOperationsOwnedByRespondentButOperatedByOthersAbstract 2024-01-01 2024-12-31 C010819 ScheduleFootnotesAbstract 2024-01-01 2024-12-31 C010819 Targa Resources Corp 2024-01-01 2024-12-31 C010819 Targa Resources Corp 2024-12-31 C010819 Chief Executive Officer, Meloy, Matthew 2024-01-01 2024-12-31 C010819 President - Logistics and Transportation, Pryor, D. Scott 2024-01-01 2024-12-31 C010819 Chief Commercial Officer, Muraro, Robert 2024-01-01 2024-12-31 C010819 Chief Financial Officer, Byers, William 2024-01-01 2024-12-31 C010819 Executive Vice President and General Counsel, Shrader, Gerald 2024-01-01 2024-12-31 C010819 Jennifer Kneale - Director 2024-01-01 2024-12-31 C010819 Gerald Shrader - Director 2024-01-01 2024-12-31 C010819 2024-12-31 C010819 2023-12-31 C010819 2023-01-01 2023-12-31 C010819 2022-12-31 C010819 Other: 2024-01-01 2024-12-31 C010819 Other: 2024-01-01 2024-12-31 C010819 Other: 2024-01-01 2024-12-31 C010819 Other: 2024-01-01 2024-12-31 C010819 APIC 2024-01-01 2024-12-31 C010819 Other: 2024-01-01 2024-12-31 C010819 Other: 2024-01-01 2024-12-31 C010819 Lease Payments 2024-01-01 2024-12-31 C010819 Lease Payments 2023-01-01 2023-12-31 C010819 Targa Liquids Marketing & Trade, Accounts Receivable 2024-01-01 2024-12-31 C010819 Targa Downstream LLC, Accounts Receivable 2024-01-01 2024-12-31 C010819 Targa Liquids Marketing & Trade, Accounts Receivable 2024-12-31 C010819 Targa Downstream LLC, Accounts Receivable 2024-12-31 C010819 Targa Resources Partners LP 2024-01-01 2024-12-31 C010819 Targa NGL Pipeline Company LLC 2024-01-01 2024-12-31 C010819 Minor Accounts 2024-01-01 2024-12-31 C010819 Targa Resources Partners LP 2024-12-31 C010819 Targa NGL Pipeline Company LLC 2024-12-31 C010819 Minor Accounts 2024-12-31 C010819 Defered Income Tax Assets/Liabilities: 2024-01-01 2024-12-31 C010819 Federal 2024-01-01 2024-12-31 C010819 State 2024-01-01 2024-12-31 C010819 Other (Specify) 2024-01-01 2024-12-31 C010819 Accumulated Defered Income Tax Assets/Liabilities: 2024-01-01 2024-12-31 C010819 Federal 2023-12-31 C010819 State 2023-12-31 C010819 Federal 2024-12-31 C010819 State 2024-12-31 C010819 0 2024-01-01 2024-12-31 C010819 ferc:OilProductsMember 2023-01-01 2023-12-31 C010819 ferc:OilProductsMember 2024-01-01 2024-12-31 C010819 ferc:InterstateTransportationMember 2023-01-01 2023-12-31 C010819 ferc:InterstateTransportationMember 2024-01-01 2024-12-31 C010819 ferc:IntrastateTransportationMember 2024-01-01 2024-12-31 C010819 Alabama 2024-01-01 2024-12-31 C010819 Alaska 2024-01-01 2024-12-31 C010819 Arizona 2024-01-01 2024-12-31 C010819 Arkansas 2024-01-01 2024-12-31 C010819 California 2024-01-01 2024-12-31 C010819 Colorado 2024-01-01 2024-12-31 C010819 Connecticut 2024-01-01 2024-12-31 C010819 Delaware 2024-01-01 2024-12-31 C010819 Florida 2024-01-01 2024-12-31 C010819 Georgia 2024-01-01 2024-12-31 C010819 Hawaii 2024-01-01 2024-12-31 C010819 Idaho 2024-01-01 2024-12-31 C010819 Illinois 2024-01-01 2024-12-31 C010819 Indiana 2024-01-01 2024-12-31 C010819 Iowa 2024-01-01 2024-12-31 C010819 Kansas 2024-01-01 2024-12-31 C010819 Kentucky 2024-01-01 2024-12-31 C010819 Louisiana 2024-01-01 2024-12-31 C010819 Maine 2024-01-01 2024-12-31 C010819 Maryland 2024-01-01 2024-12-31 C010819 Massachusetts 2024-01-01 2024-12-31 C010819 Michigan 2024-01-01 2024-12-31 C010819 Minnesota 2024-01-01 2024-12-31 C010819 Mississippi 2024-01-01 2024-12-31 C010819 Missouri 2024-01-01 2024-12-31 C010819 Montana 2024-01-01 2024-12-31 C010819 Nebraska 2024-01-01 2024-12-31 C010819 Nevada 2024-01-01 2024-12-31 C010819 New Hampshire 2024-01-01 2024-12-31 C010819 New Jersey 2024-01-01 2024-12-31 C010819 New Mexico 2024-01-01 2024-12-31 C010819 New York 2024-01-01 2024-12-31 C010819 North Carolina 2024-01-01 2024-12-31 C010819 North Dakota 2024-01-01 2024-12-31 C010819 Ohio 2024-01-01 2024-12-31 C010819 Oklahoma 2024-01-01 2024-12-31 C010819 Oregon 2024-01-01 2024-12-31 C010819 Pennsylvania 2024-01-01 2024-12-31 C010819 Rhode Island 2024-01-01 2024-12-31 C010819 South Carolina 2024-01-01 2024-12-31 C010819 South Dakota 2024-01-01 2024-12-31 C010819 Tennessee 2024-01-01 2024-12-31 C010819 Texas 2024-01-01 2024-12-31 C010819 Utah 2024-01-01 2024-12-31 C010819 Vermont 2024-01-01 2024-12-31 C010819 Virginia 2024-01-01 2024-12-31 C010819 Washington 2024-01-01 2024-12-31 C010819 West Virginia 2024-01-01 2024-12-31 C010819 Wisconsin 2024-01-01 2024-12-31 C010819 Wyoming 2024-01-01 2024-12-31 C010819 District of Columbia 2024-01-01 2024-12-31 C010819 Other (Specify): 2024-01-01 2024-12-31 C010819 Settlement of Intercompany Payables 2024-01-01 2024-12-31 C010819 Settlement of Intercompany Receivables 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (GP 20) ,  Galena Park (GP 20) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (CPL 8) ,  Galena Park (CPL 8) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (GP 20) ,  Galena Park (GP 20) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (CPL 8) ,  Galena Park (CPL 8) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (GP12) ,  Galena Park (GP12) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (GP12) ,  Galena Park (GP12) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Mustang) ,  Galena Park (Mustang) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Mustang) ,  Galena Park (Mustang) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (North Route) ,  Galena Park (North Route) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (North Route) ,  Galena Park (North Route) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (South Route) ,  Galena Park (South Route) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (South Route) ,  Galena Park (South Route) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Targa 12) ,  TX/LA Border (Targa 12) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Targa 12) ,  TX/LA Border (Targa 12) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, LA, TX/LA Border (Targa 12), LC 12 Station (Targa 12) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, LA, TX/LA Border (Targa 12), LC 12 Station (Targa 12) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Channelview 6) ,  Galena Park (Channelview 6) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Channelview 6) ,  Galena Park (Channelview 6) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Channel X) ,  Galena Park (Channel X) 2024-01-01 2024-12-31 C010819 (A) - Targa Gulf Coast Pipeline, TX,  Mont Belvieu (Channel X) ,  Galena Park (Channel X) 2024-01-01 2024-12-31 C010819 ferc:WhollyOwnedAndOperatedByRespondentMember 2024-01-01 2024-12-31 C010819 ferc:OilProductsTrunkMember 2024-01-01 2024-12-31 C010819 Texas, Various ferc:OilProductsMember 2024-01-01 2024-12-31 C010819 Louisiana, Various ferc:OilProductsMember 2024-01-01 2024-12-31 C010819 Texas, Various 2024-01-01 2024-12-31 C010819 Louisiana, Various 2024-01-01 2024-12-31 Targa Gulf Coast NGL Pipeline LLC Targa Gulf Coast NGL Pipeline LLC 2020-09-20 Targa Gulf Coast NGL Pipeline LLC Targa Gulf Coast NGL Pipeline LLC Delaware N/A N/A N/A N/A <div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Use this Space to Enter any Important Changes During the Quarter/Year</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%">1.</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%;padding-left:9.66pt">N/A</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%">2.</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%;padding-left:9.66pt">N/A</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%">3.</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%;padding-left:9.66pt">N/A</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%">4.</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%;padding-left:9.66pt">N/A</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%">5.</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:11pt;font-weight:400;line-height:112%;padding-left:9.66pt">N/A</span></div> Targa Gulf Coast NGL Pipeline LLC Targa Gulf Coast NGL Pipeline LLC Targa Gulf Coast NGL Pipeline LLC Targa Gulf Coast NGL Pipeline LLC <span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Company Business</span><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Targa Gulf Coast NGL Pipeline LLC (the “Company” or “TGCPL”) is a Delaware limited liability company engaged in the business of transporting natural gas liquids (“NGLs”) in interstate commerce subject to the jurisdiction of the Federal Energy Regulatory Commission (“FERC”) under the Interstate Commerce Act (“ICA”).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Effective October 1, 2020, TGCPL leased one hundred percent of the capacity of certain pipelines from Targa NGL Pipeline Company LLC. TGCPL leases an eight-inch diameter pipeline, a 20-inch diameter pipeline, and a 12-inch diameter pipeline that run between Mont Belvieu, Texas, and Galena Park, Texas. Each of these pipelines is regulated under the ICA and is part of an extensive mixed NGL and purity NGL pipeline receipt and delivery system that provides interstate and intrastate transportation of NGLs. TGCPL also leases a 20-inch diameter pipeline that runs between Mont Belvieu, Texas, and Galena Park, Texas and a 12-inch diameter pipeline that runs between Mont Belvieu, Texas and Lake Charles, Louisiana, each of which transport NGLs and that have qualified for a waiver of applicable FERC regulatory requirements under the ICA based on current circumstances. TGCPL also leases pipelines that provide only intrastate service between Mont Belvieu, Texas, and Galena Park, Texas, and intermediate locations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">On October 31, 2005, Targa Resources Corp. acquired Dynegy Midstream Services, Limited Partnership, including its wholly-owned subsidiary, Dynegy NGL Pipeline, LLC. On November 8, 2005, Targa Resources Inc. renamed Dynegy NGL Pipeline Company, LLC, “Targa NGL Pipeline Company LLC”.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">TGCPL is a wholly-owned subsidiary of Targa Downstream LLC, a Delaware limited liability company.</span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Basis of Presentation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The financial statements and supporting schedules were prepared in accordance with the Uniform System of Accounts as prescribed by the FERC. The FERC-approved tariff establishes rates, terms and conditions under which the Company provides services to its customers. The Uniform System of Accounts is a comprehensive basis of accounting other than accounting principles generally accepted in the United States of America (“GAAP”). Financial accounting and reporting differences between FERC and GAAP are principally related to account classifications such as but not limited to: Plant held for sale is a current asset for GAAP and is included in Gas Plant for FERC; costs incurred and revenues collected for future plant retirement costs are classified as a regulatory liability for GAAP and as accumulated provision for depreciation for FERC; and deferred tax assets and liabilities are presented as gross assets and liabilities for FERC purposes but are netted for GAAP.</span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Income Taxes</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The Company is organized as a limited liability company and is treated as a partnership for U.S. federal and state income tax purposes. As such, the Company is generally not subject to federal or state income taxes. All revenues and expenses of the Company are reportable in the federal and state income tax returns of its members.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:115%">FERC allows adjustments to the financial statements for allowable income taxes. The below table describes the state and federal income tax provision at December 31, 2024 and the related effective tax rate.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:85.060%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.740%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">TOTAL PROVISION</span></td><td colspan="3" style="padding:0 1pt"/></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Increment/(Reduction) to State Deferred Income Tax</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(26,208)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Increment/(Reduction) to Federal Deferred Income Tax</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(413,278)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Current Provision/(Benefit) - State</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">396,538 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Current Provision/(Benefit) - Federal</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6,030,265 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Total 2024 Provision/(benefit)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">5,987,317</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Effective Tax Rate</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">21.27</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Property, Plant and Equipment</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Property, plant and equipment as of December 31, 2024, consists of pipeline assets leased through Targa NGL Pipeline company LLC.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:95.684%"><tr><td style="width:1.0%"/><td style="width:49.755%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.940%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.940%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.965%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">December 31, 2024</span></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">December 31, 2023</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Useful Life</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Capacity Finance Lease, Right-of-use Assets</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29,313,503 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29,774,314 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">25</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Property, Plant and Equipment</span></td><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">29,313,503</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">29,774,314</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Accumulated Depreciation</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(4,983,296)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(3,870,661)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 37pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Property, Plant and Equipment, net</span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">$</span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">24,330,207</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">$</span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">25,903,653</span><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:112%">For the years ended December 31, 2024 and December 31, 2023, depreciation expense was $1.2 million and $1.1 million.</span></div> Targa Gulf Coast NGL Pipeline LLC Targa Gulf Coast NGL Pipeline LLC C010819 6 Targa Gulf Coast NGL Pipeline LLC 2024 Q4 N/A 811 Louisiana Street, Suite 2100, Houston, Texas 77002 Paul Dorman Senior Manager - Projects & Property Accounting 811 Louisiana Street, Suite 2100, Houston, Texas 77002 713-584-1450 O 2025-04-17 Chris Eklof VP Senior Chief Accounting Officer Chris Eklof 2025-04-17 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Not Prepared Targa Resources Corp DE Targa Resources Partners LP DE Targa Downstream LLC DE 1.00 Chief Executive Officer President - Logistics and Transportation 1 2 Chief Commercial Officer 3 Chief Financial Officer 4 Executive Vice President and General Counsel 5 Meloy, Matthew Pryor, D. Scott Muraro, Robert Byers, William Shrader, Gerald 811 Louisiana Suite 2100 Houston, TX 77002 Jennifer Kneale - Director Gerald Shrader - Director 1 2 811 Louisiana Suite 2100 Houston, TX 77002 true 36103680 25798403 36103680 25798403 29313503 29774314 4983296 3870661 24330207 25903653 24330207 25903653 329653 329653 60763540 51702056 13168557 8946469 875018 13168557 9821487 24934697 23856614 109833 24934697 23966447 38103254 33787934 1000 1000 22659286 17913122 22660286 17914122 60763540 51702056 36103680 25798403 7050997 3582694 29052683 22215709 909046 852106 -909046 -852106 28143637 21363603 6426803 4761457 -439486 800032 22156320 15802114 22156320 15802114 22156320 15802114 17913122 13775155 22156320 15802114 8388247 7917548 30544567 23719662 25798403 19581695 25798403 19581695 4746164 4137967 22659286 1186364 1091725 -439486 800032 36103680 25798403 13407572 8947375 Other: 207090 842843 Other: Other: Other: APIC 63 64 Other: Other: Lease Payments -207090 -842843 -207090 -842843 Targa Liquids Marketing & Trade Targa Downstream LLC 1 2 Accounts Receivable Accounts Receivable 32966736 3136944 29774314 -460811 -460811 29313503 29774314 -460811 -460811 29313503 29774314 -460811 -460811 29313503 3870661 1186364 -73729 4983296 3870661 1186364 -73729 4983296 3870661 1186364 -73729 4983296 Targa Resources Partners LP Targa NGL Pipeline Company LLC 1 2 Minor Accounts 3 Accounts Payable ST Lease Payable Accounts Payable 7286566 5881866 125 Defered Income Tax Assets/Liabilities: Federal 1 2 State 3 Other (Specify) 6 Accumulated Defered Income Tax Assets/Liabilities: 11 103283 6550 -413278 -26208 -309995 -19658 109833 -439486 -329653 0 25798403 36103680 25798403 36103680 25798403 36103680 25798403 28936174 7167506 25798403 28936174 7167506 25798403 36103680 Alabama Alaska 1 2 Arizona 3 Arkansas 4 California 5 Colorado 6 Connecticut 7 Delaware 8 Florida 9 Georgia 10 Hawaii 11 Idaho 12 Illinois 13 Indiana 14 Iowa 15 Kansas 16 Kentucky 17 Louisiana 18 Maine 19 Maryland 20 Massachusetts 21 Michigan 22 Minnesota 23 Mississippi 24 Missouri 25 Montana 26 Nebraska 27 Nevada 28 New Hampshire 29 New Jersey 30 New Mexico 31 New York 32 North Carolina 33 North Dakota 34 Ohio 35 Oklahoma 36 Oregon 37 Pennsylvania 38 Rhode Island 39 South Carolina 40 South Dakota 41 Tennessee 42 Texas 43 Utah 44 Vermont 45 Virginia 46 Washington 47 West Virginia 48 Wisconsin 49 Wyoming 50 District of Columbia 51 Other (Specify): 52 125 1564 1689 710 Settlement of Intercompany Payables 8388247 720 Settlement of Intercompany Receivables 25798403 Targa Gulf Coast Pipeline, TX Targa Gulf Coast Pipeline, TX 1 2 Targa Gulf Coast Pipeline, TX 3 Targa Gulf Coast Pipeline, TX 4 Targa Gulf Coast Pipeline, TX 5 Targa Gulf Coast Pipeline, TX 6 Targa Gulf Coast Pipeline, TX 7 Targa Gulf Coast Pipeline, LA 8 Targa Gulf Coast Pipeline, TX 9 Targa Gulf Coast Pipeline, TX 9.1 Mont Belvieu (GP 20) Mont Belvieu (CPL 8) Mont Belvieu (GP12) Mont Belvieu (Mustang) Mont Belvieu (North Route) Mont Belvieu (South Route) Mont Belvieu (Targa 12) TX/LA Border (Targa 12) Mont Belvieu (Channelview 6) Mont Belvieu (Channel X) Galena Park (GP 20) Galena Park (CPL 8) Galena Park (GP12) Galena Park (Mustang) Galena Park (North Route) Galena Park (South Route) TX/LA Border (Targa 12) LC 12 Station (Targa 12) Galena Park (Channelview 6) Galena Park (Channel X) 25 23 24 28 24 32 84 22 34 1 20 8 12 20 8 8 12 12 6 8 297 297 5867633 2490969 1183364 1091725 120604 100419 25120671 25793819 2895202 2536666 28015873 28330485 0.5000 0.5000 0.5000 0.5000 0.0525 0.0503 0.0913 0.1300 0.0719 0.0902 735417 712512 1278925 1841482 2014342 2553993 345519 648016 0.2127 0.2603 9531462 6885122 28936174 25798403 204403686 182982134 5498305849 4936860204 515557 515557 515557 4990246 4990246 4990246 13093 13093 13093 5518896 5518896 5518896 9808 9808 9808 104122 104122 104122 19695 19695 19695 1186364 1186364 1186364 54913 54913 54913 131142 131142 131142 1689 1689 1689 24368 24368 24368 1532101 1532101 1532101 7050997 7050997 Texas Louisiana 16 17 Various Various 202148759 7278167 202148759 7278167 202148759 7278167 202148759 7278167 209426926 209426926 209426926 209426926 209426926 209426926 209426926 209426926 5621336424 209426926 The Workiva Platform Prior year tax provision was incorrectly allocated to the deferred tax liability account. Prior year tax provision was incorrectly allocated to the deferred tax liability account.