EPD / Enterprise Products Partners L.P. - Limited Partnership - Depositi SEC, Relazione annuale, dichiarazione di delega

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2026.

EXHIBIT 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2026. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

Enterprise Reports First Quarter 2026 Earnings

Exhibit 99.1 Enterprise Reports First Quarter 2026 Earnings Houston, Texas (Tuesday, April 28, 2026) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months ended March 31, 2026. Financial Highlights (1Q 2026 compared to 1Q 2025, as applicable) •Operating income: $1.9 billion, up 8% •Net income attributable to common unitholders: $1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 28, 2026 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 28, 2026 ENTERPRISE PRODUCTS PARTNERS L.

GUARANTY AGREEMENT

EX-10.2 EXHIBIT 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of March 27, 2026, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the “Guarantor”), is in favor of CITIBANK, N.A., as Administrative Agent (the “Agent”) for the several lenders ( “Lenders”) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS, Enterprise Produc

364-DAY REVOLVING CREDIT AGREEMENT dated as of March 27, 2026 ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BA

EX-10.1 EXHIBIT 10.1 364-DAY REVOLVING CREDIT AGREEMENT dated as of March 27, 2026 among ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., MUFG BANK, LTD., and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 27, 2026 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 27, 2026 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

RETENTION AGREEMENT

EXHIBIT 10.14 RETENTION AGREEMENT This Retention Bonus Agreement (“Agreement”) is made and entered into effective as of April 21, 2025 (the “Effective Date”), between Enterprise Products Company (“Company”) and Michael C. Hanley (“Employee”). WHEREAS, the Company and Employee desire to enter into this Agreement to provide a contingent retention payment to encourage Employee (i) to remain employed

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2025.

EXHIBIT 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2025. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guaranto

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 12/31 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2026

EXHIBIT 21.1 LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2026 Name of Subsidiary Jurisdiction of Formation Effective Ownership 38 Niente LLC Texas Enterprise Products Operating LLC – 100% Acadian Gas Pipeline System Delaware TXO-Acadian Gas Pipeline, LLC – 50% MCN Acadian Gas Pipeline, LLC – 50% Acadian Gas, LLC Delaware Duncan Energy Partners L.P. – 100% Adamana Land

Enterprise Reports Fourth Quarter 2025 Earnings

Exhibit 99.1 Enterprise Reports Fourth Quarter 2025 Earnings Houston, Texas (Tuesday, February 3, 2026) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months and year ended December 31, 2025. Year End 2025 Results Enterprise reported net income attributable to common unitholders of $5.8 billion, or $2.66 per common unit on a fully

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 3, 2026 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 3, 2026 ENTERPRISE PRODUCTS PARTNERS L.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2025 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2025 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

ENTERPRISE ELECTS HANLEY AS CHIEF COMMERCIAL OFFICER

EX-99.1 EXHIBIT 99.1 ENTERPRISE ELECTS HANLEY AS CHIEF COMMERCIAL OFFICER Houston, Texas (November 20, 2025) – Enterprise Products Partners L.P. (NYSE:EPD) today announced that the board of directors of its general partner has elected Michael C. “Tug” Hanley as executive vice president and chief commercial officer with responsibility for all commercial functions for the partnership effective Decem

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2025 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

ENTERPRISEANNOUNCES EXPANSION AND EXTENSION OF BAHIA NGL PIPELINE; EXXONMOBIL TO ACQUIRE JOINT INTEREST

EX-99.1 EXHIBIT 99.1 ENTERPRISEANNOUNCES EXPANSION AND EXTENSION OF BAHIA NGL PIPELINE; EXXONMOBIL TO ACQUIRE JOINT INTEREST Houston, Texas (November 20, 2025) – Enterprise Products Partners L.P. (NYSE: EPD) (together with its affiliates, “Enterprise”) today announced it has executed an agreement with ExxonMobil, which will acquire a 40-percent undivided joint interest (“UJI”) in Enterprise’s Bahi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2025 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

ENTERPRISE PRODUCTS OPERATING LLC $300,000,000 4.30% Senior Notes due 2028 $600,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 UNDERWRITING AGREEMENT

EX-1.1 Exhibit 1.1 ENTERPRISE PRODUCTS OPERATING LLC $300,000,000 4.30% Senior Notes due 2028 $600,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 UNDERWRITING AGREEMENT November 10, 2025 BofA Securities, Inc. J.P. Morgan Securities LLC Morgan Stanley & Co. LLC RBC Capital Markets, LLC Truist Securities, Inc. As Representatives of the several  Underwriters named in Sch

DESCRIPTION OF THE NOTES

EX-99.1 Exhibit 99.1 DESCRIPTION OF THE NOTES We have summarized below certain material terms and provisions of the notes. This summary is not a complete description of all of the terms and provisions of the notes. You should read carefully the section entitled “Description of Debt Securities” in the accompanying prospectus for a description of other material terms of the notes, the Guarantee and

ENTERPRISE PRICES $1.65 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES

EX-99.2 Exhibit 99.2 ENTERPRISE PRICES $1.65 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES Houston, Texas (Monday, November 10, 2025) – Enterprise Products Partners L.P. (NYSE:EPD) (“Enterprise”) today announced that its operating subsidiary, Enterprise Products Operating LLC (“EPO”), has priced a public offering of $1.65 billion aggregate principal amount of notes comprised of (i) $300 milli

Enterprise Products Operating LLC $300,000,000 4.30% Senior Notes due 2028 $600,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 Unconditionally Guaranteed by Enterprise Products Partners L.P.

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-283172 and 333-283172-01 PROSPECTUS SUPPLEMENT (To Prospectus dated November 12, 2024) Enterprise Products Operating LLC $300,000,000 4.30% Senior Notes due 2028 $600,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 Unconditionally Guaranteed by Enterprise Products Partners L.P. This prospectu

Security Type

Calculation of Filing Fee Tables S-3 Enterprise Products Operating LLC Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 4.

Enterprise Products Operating LLC Enterprise Products Partners L.P. PRICING TERM SHEET

FWP Filed Pursuant to Rule 433 Issuer Free Writing Prospectus dated November 10, 2025 Registration Statement No.

SUBJECT TO COMPLETION, DATED NOVEMBER 10, 2025

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-283172 and 333-283172-01 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities, and we are not soliciting an offer to buy these securities, in any jurisdiction where the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODU

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2025.

EXHIBIT 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2025. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarant

Enterprise Reports Third Quarter 2025 Earnings; Increases Buyback Authorization to $5 Billion

Exhibit 99.1 Enterprise Reports Third Quarter 2025 Earnings; Increases Buyback Authorization to $5 Billion Houston, Texas (Thursday, October 30, 2025) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and nine months ended September 30, 2025. Enterprise reported net income attributable to common unitholders of $1.3 billion and $1.4 b

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 30, 2025 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 30, 2025 ENTERPRISE PRODUCTS PARTNERS L.

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

UNITED STATES Entity Level Project [Member] Pioneer Gas Plant [Member] Meeker Gas Plant [Member] Federal Government [Member] Oil and Natural Gas [Member] NGL Pipelines & Services [Member]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ENTERPRISE PRODUCTS PARTNERS L.P. (Exact Name of Registrant as Specified in Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ENTERPRISE PRODUCTS PARTNERS L.

Resource Extraction Payment Report

Resource Extraction Payment Report Unless the context requires otherwise, references to the “Partnership,” “we,” “us” and “our” refer to Enterprise Products Partners L.

XBRL INSTANCE DOCUMENT

iso4217:USD 0001061219 epd:EntityLevelProjectMember 2024-01-01 2024-12-31 0001061219 epd:PioneerGasPlantMember 2024-01-01 2024-12-31 0001061219 epd:MeekerGasPlantMember 2024-01-01 2024-12-31 0001061219 country:US 2024-01-01 2024-12-31 0001061219 2024-01-01 2024-12-31 0001061219 1 2024-01-01 2024-12-31 0001061219 2 2024-01-01 2024-12-31 0001061219 3 2024-01-01 2024-12-31 2000000 2000000 301000 301000 136000 136000 2000000 2000000 437000 437000 2437000 2437000 2.

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at

EXHIBIT 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2025. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS P

greement between Brent B. Secrest and Enterprise Products Company dated effective May 1, 2025

EXHIBIT 10.1 CONFIDENTIAL SEPARATION AND RELEASE AGREEMENT 1.Separation Date. I, Brent B. Secrest (“Employee” or “I”), acknowledge that I resigned my employment with Enterprise Products Company (the “Company”) effective May 1, 2025 (“Separation Date”). I further acknowledge and agree that I resigned from all positions and titles I held with any and all members of the Company Group (as defined belo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 28, 2025 ENTERPRISE PRODUCTS P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 28, 2025 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Second Quarter 2025 Earnings

Exhibit 99.1 Enterprise Reports Second Quarter 2025 Earnings Houston, Texas (Monday, July 28, 2025) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and six months ended June 30, 2025. Enterprise reported net income attributable to common unitholders of $1.4 billion for the second quarters of 2025 and 2024. On a fully diluted basis,

UNITED STATES DEPARTMENT OF COMMERCE

Exhibit 99.1   UNITED STATES DEPARTMENT OF COMMERCE Principal Deputy Assistant Secretary for Export Administration Washington, D.C. 20230 July 2, 2025 Mr. Greg Delong Enterprise Products 1200 N Broadway Street La Porte, TX 77571 Via email to: [email protected] Dear Mr. Delong: This letter is in reference to my prior letters dated June 1, 2025 and June 25, 2025. The June 1, 2025 letter informed yo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 2, 2025 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 2, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Orga

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 25, 2025 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 25, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Org

UNITED STATES DEPARTMENT OF COMMERCE

eEX-99.1 Exhibit 99.1   UNITED STATES DEPARTMENT OF COMMERCE Principal Deputy Assistant Secretary for Export Administration Washington, D.C. 20230 June 25, 2025 Mr. Greg Delong Enterprise Products 1200 N Broadway Street La Porte, TX 77571 Via email to: [email protected] Dear Mr. Delong: The Bureau of Industry and Security (BIS), U.S. Department of Commerce, is charged with administering and enfor

Underwriting Agreement, dated June 17, 2025, by and among Enterprise Products Partners L.P., Enterprise Products OLPGP, Inc. and Enterprise Products Operating LLC and Citigroup Global Markets Inc., BBVA Securities Inc., Deutsche Bank Securities Inc., Scotia Capital (USA) Inc. and TD Securities (USA) LLC, as representatives of the several underwriters named on Schedule I thereto.

Exhibit 1.1 Execution Version ENTERPRISE PRODUCTS OPERATING LLC $500,000,000 4.30% Senior Notes due 2028 $750,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 UNDERWRITING AGREEMENT June 17, 2025 Citigroup Global Markets Inc. BBVA Securities Inc. Deutsche Bank Securities Inc. TD Securities (USA) LLC Scotia Capital (USA) Inc. As Representatives of the several Underwriter

ENTERPRISE PRICES $2.0 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES

Exhibit 99.2 ENTERPRISE PRICES $2.0 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES Houston, Texas (Tuesday, June 17, 2025) – Enterprise Products Partners L.P. (NYSE:EPD) (“Enterprise”) today announced that its operating subsidiary, Enterprise Products Operating LLC (“EPO”), has priced a public offering of $2.0 billion aggregate principal amount of notes comprised of (i) $500 million principal

DESCRIPTION OF THE NOTES

Exhibit 99.1 DESCRIPTION OF THE NOTES We have summarized below certain material terms and provisions of the notes. This summary is not a complete description of all of the terms and provisions of the notes. You should read carefully the section entitled “Description of Debt Securities” in the accompanying prospectus for a description of other material terms of the notes, the Guarantee and the Base

20, 2025, among Enterprise Products Operating LLC, as Issuer, Enterprise Products Partners L.P., as Parent Guarantor, and U.S. Bank Trust Company, National Association, as Series Trustee (incorporated by reference to Exhibit 4.4 to Form 8-K filed June 20, 2025).

EX-4.4 Exhibit 4.4 ENTERPRISE PRODUCTS OPERATING LLC, AS ISSUER ENTERPRISE PRODUCTS PARTNERS L.P., AS PARENT GUARANTOR and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS SERIES TRUSTEE FORTIETH SUPPLEMENTAL INDENTURE Dated as of June 20, 2025 to Indenture dated as of October 4, 2004 4.30% Senior Notes due 2028 4.60% Senior Notes due 2031 5.20% Senior Notes due 2036 TABLE OF CONTENTS Page ARTICL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 17, 2025 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 17, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Org

Enterprise Products Operating LLC $500,000,000 4.30% Senior Notes due 2028 $750,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 Unconditionally Guaranteed by Enterprise Products Partners L.P.

Filed Pursuant to Rule 424(b)(5) Registration No. 333-283172 and 333-283172-01 PROSPECTUS SUPPLEMENT (To Prospectus dated November 12, 2024) Enterprise Products Operating LLC $500,000,000 4.30% Senior Notes due 2028 $750,000,000 4.60% Senior Notes due 2031 $750,000,000 5.20% Senior Notes due 2036 Unconditionally Guaranteed by Enterprise Products Partners L.P. This prospectus supplement relates to

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 Enterprise Products Operating LLC Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 4.

Enterprise Products Operating LLC Enterprise Products Partners L.P. PRICING TERM SHEET

Filed Pursuant to Rule 433 Issuer Free Writing Prospectus dated June 17, 2025 Registration Statement No.

SUBJECT TO COMPLETION, DATED JUNE 17, 2025

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-283172 and 333-283172-01 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities, and we are not soliciting an offer to buy these securities, in any jurisdiction where the offer

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 23, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Orga

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2025.

EXHIBIT 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2025. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 1, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Organ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 29, 2025 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 29, 2025 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports First Quarter 2025 Earnings

Exhibit 99.1 Enterprise Reports First Quarter 2025 Earnings Houston, Texas (Tuesday, April 29, 2025) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months ended March 31, 2025. Enterprise reported net income attributable to common unitholders of $1.4 billion, or $0.64 per common unit on a fully diluted basis, for the first quarter

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 21, 2025 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 21, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

364-Day Revolving Credit Agreement, dated as of March 28, 2025, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Citibank, N.A., as Administrative Agent, and certain financial institutions named therein, as Co-Syndication Agents and Co-Documentation Agents.

EXHIBIT 10.1 364-DAY REVOLVING CREDIT AGREEMENT dated as of March 28, 2025 among ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., MUFG BANK, LTD., and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITSUI BANKI

Guaranty Agreement, dated as of March 28, 2025, by Enterprise Products Partners L.P. in favor of Citibank, N.A., as administrative agent.

EXHIBIT 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of March 28, 2025, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the “Guarantor”), is in favor of CITIBANK, N.A., as Administrative Agent (the “Agent”) for the several lenders ( “Lenders”) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS, Enterprise Products Opera

First Amendment to Revolving Credit Agreement, dated as of March 28, 2025, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Wells Fargo Bank, National Association, as Administrative Agent, and certain financial institutions named therein, as Co-Syndication Agents and Co-Documentation Agents.

EXHIBIT 10.5 FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT THIS FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT (this “First Amendment”) is made and entered into as of the 28th day of March, 2025 (the “First Amendment Effective Date”), among ENTERPRISE PRODUCTS OPERATING LLC, a Texas limited liability company (“Borrower”), WELLS FARGO BANK, NATIONAL ASSOCIATION, as administrative agent (in such capa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 28, 2025 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 28, 2025 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2024.

EXHIBIT 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2024. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guaranto

Enterprise Products Partners L.P. Insider Trading Policy.

EXHIBIT 19.1 INSIDER TRADING POLICY This policy applies to all employees, directors, advisory directors and honorary directors of Enterprise Products Company and its affiliates. The securities of Enterprise Products Partners L.P. (“EPD”) are traded on the New York Stock Exchange (“NYSE”). EPD, as well as its “insiders” – officers, directors, advisory directors, honorary directors, significant secu

List of Consolidated Subsidiaries as of February 1, 2025.

EXHIBIT 21.1 LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2025 Jurisdiction Name of Subsidiary of Formation Effective Ownership 38 Niente LLC Texas Enterprise Products Operating LLC – 100% Acadian Gas Pipeline System Delaware TXO-Acadian Gas Pipeline, LLC – 50% MCN Acadian Gas Pipeline, LLC – 50% Acadian Gas, LLC Delaware Duncan Energy Partners L.P. – 100% Adamana Land

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 12/31 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 4, 2025 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 4, 2025 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Fourth Quarter 2024

Exhibit 99.1 Enterprise Reports Results for Fourth Quarter 2024 Houston, Texas (Tuesday, February 4, 2025) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months and year ended December 31, 2024. Fourth Quarter and Year End 2024 Financial Highlights Three Months Ended December 31, Year Ended December 31, 2024 2023 2024 2023 ($ in m

As filed with the Securities and Exchange Commission on November 12, 2024

As filed with the Securities and Exchange Commission on November 12, 2024 Registration No.

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Enterprise Products Partners L.

Form T-1 Statement of Eligibility of Trustee for Subordinated Debt Securities.

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

Form T-1 Statement of Eligibility of Trustee for Senior Debt Securities.

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2024.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2024. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 29, 2024 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 29, 2024 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Third Quarter 2024

Exhibit 99.1 Enterprise Reports Results for Third Quarter 2024 Houston, Texas (Tuesday, October 29, 2024) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and nine months ended September 30, 2024. Enterprise reported net income attributable to common unitholders of $1.4 billion, or $0.65 per unit on a fully diluted basis, for the th

XBRL INSTANCE DOCUMENT

0001061219 2023-01-01 2023-12-31 0001061219 epd:ProjectMember 2023-01-01 2023-12-31 0001061219 country:US epd:FederalGovernmentMember 2023-01-01 2023-12-31 0001061219 1 2023-01-01 2023-12-31 2.

Resource Extraction Payment Report as required by Item 2.01 of this Form SD.

EX-99.1 Exhibit 99.1 Resource Extraction Payment Report Project-level disclosure The table below sets forth our payments made to governments for the fiscal year ended December 31, 2023, by project and type of payment. (in USD and in thousands) For the year ended December 31, 2023 Project Name Country/Major Subnational Jurisdiction Government Resource Extraction Method Taxes(1) Royalties Fees Produ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM SD Specialized Disclosure Report ENTERPRISE PRODUCTS PARTNERS L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction

SD UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM SD Specialized Disclosure Report ENTERPRISE PRODUCTS PARTNERS L.

XBRL TAXONOMY EXTENSION SCHEMA

Project [Member] UNITED STATES U.S. Federal Government [Member] Federal Government Oil And Natural Gas [Member]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS P

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2024.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2024. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2024 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2024 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

Thirty-Ninth Supplemental Indenture, dated as of August 8, 2024, among Enterprise Products Operating LLC, as Issuer, Enterprise Products Partners L.P., as Parent Guarantor, and U.S. Bank Trust Company, National Association, as Series Trustee (incorporated by reference to Exhibit 4.4 to Form 8-K filed August 8, 2024).

EX-4.4 Exhibit 4.4 ENTERPRISE PRODUCTS OPERATING LLC, AS ISSUER ENTERPRISE PRODUCTS PARTNERS L.P., AS PARENT GUARANTOR and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS SERIES TRUSTEE THIRTY-NINTH SUPPLEMENTAL INDENTURE Dated as of August 8, 2024 to Indenture dated as of October 4, 2004 4.95% Senior Notes due 2035 5.55% Senior Notes due 2055 TABLE OF CONTENTS Page ARTICLE I THE NOTES Section 1

Underwriting Agreement, dated August 1, 2024, by and among Enterprise Products Partners L.P., Enterprise Products OLPGP, Inc. and Enterprise Products Operating LLC and Mizuho Securities USA LLC, Barclays Capital Inc., BMO Capital Markets Corp., SMBC Nikko Securities America, Inc. and Wells Fargo Securities, LLC, as representatives of the several underwriters named on Schedule I thereto.

Exhibit 1.1 ENTERPRISE PRODUCTS OPERATING LLC $1,100,000,000 4.95% Senior Notes due 2035 $1,400,000,000 5.55% Senior Notes due 2055 UNDERWRITING AGREEMENT August 1, 2024 Mizuho Securities USA LLC Barclays Capital Inc. BMO Capital Markets Corp. SMBC Nikko Securities America, Inc. Wells Fargo Securities, LLC As Representatives of the several Underwriters named in Schedule I to the Underwriting Agree

DESCRIPTION OF THE NOTES

Exhibit 99.1 DESCRIPTION OF THE NOTES We have summarized below certain material terms and provisions of the notes. This summary is not a complete description of all of the terms and provisions of the notes. You should read carefully the section entitled “Description of Debt Securities” in the accompanying prospectus for a description of other material terms of the notes, the Guarantee and the Base

ENTERPRISE PRICES $2.5 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES

Exhibit 99.2 ENTERPRISE PRICES $2.5 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES Houston, Texas (Thursday, August 1, 2024) – Enterprise Products Partners L.P. (NYSE:EPD) (“Enterprise”) today announced that its operating subsidiary, Enterprise Products Operating LLC (“EPO”), has priced a public offering of $2.5 billion aggregate principal amount of notes comprised of (i) $1.1 billion principa

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2024 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

Enterprise Products Operating LLC $1,100,000,000 4.95% Senior Notes due 2035  $1,400,000,000 5.55% Senior Notes due 2055  Unconditionally Guaranteed by Enterprise Products Partners L.P.

424B5 Filed Pursuant to Rule 424(b)(5) Registration No. 333-261416 333-261416-01 PROSPECTUS SUPPLEMENT (To Prospectus dated November 30, 2021) Enterprise Products Operating LLC $1,100,000,000 4.95% Senior Notes due 2035  $1,400,000,000 5.55% Senior Notes due 2055  Unconditionally Guaranteed by Enterprise Products Partners L.P. This prospectus supplement relates to our offering of two series of sen

Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Operating LLC (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities

EXHIBIT 107.1 Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Operating LLC (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Security Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Registered Securitie

SUBJECT TO COMPLETION, DATED AUGUST 1, 2024

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-261416 333-261416-01 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities, and we are not soliciting an offer to buy these securities, in any jurisdiction where the offer or

Enterprise Products Operating LLC Enterprise Products Partners L.P. PRICING TERM SHEET

Filed Pursuant to Rule 433 Issuer Free Writing Prospectus dated August 1, 2024 Registration Statement No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 30, 2024 ENTERPRISE PRODUCTS P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 30, 2024 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Second Quarter 2024

Exhibit 99.1 Enterprise Reports Results for Second Quarter 2024 Houston, Texas (Tuesday, July 30, 2024) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and six months ended June 30, 2024. Enterprise reported net income attributable to common unitholders of $1.4 billion, or $0.64 per unit on a fully diluted basis, for the second qua

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2024.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2024. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

Enterprise Reports First Quarter 2024 Earnings

Exhibit 99.1 Enterprise Reports First Quarter 2024 Earnings Houston, Texas (Tuesday, April 30, 2024) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months ended March 31, 2024. Enterprise reported net income attributable to common unitholders of $1.5 billion, or $0.66 per unit on a fully diluted basis, for the first quarter of 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 30, 2024 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 30, 2024 ENTERPRISE PRODUCTS PARTNERS L.

EPDU / Enterprise Products Partners L.P. - Preferred Security / WILLIAMS RANDA DUNCAN - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. **)* ENTERPRISE PRODUCTS PARTNERS L.P. (Name of Issuer) Common Units (Title of Class of Securities) 293792-10-7 (CUSIP Number) Richard H. Bachmann 1100 Louisiana Street, 10th Floor Houston, Texas 77002 (713) 381-6500 (Name, Address and Telephone N

Guaranty Agreement, dated as of March 29, 2024, by Enterprise Products Partners L.P. in favor of Citibank, N.A., as administrative agent (incorporated by reference to Exhibit 10.2 to Form 8-K filed March 29, 2024).

Exhibit 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of March 29, 2024, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the “Guarantor”), is in favor of CITIBANK, N.A., as Administrative Agent (the “Agent”) for the several lenders ( “Lenders”) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS, Enterprise Products Opera

364-Day Revolving Credit Agreement, dated as of March 29, 2024, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Citibank, N.A., as Administrative Agent, and certain financial institutions named therein, as Co-Syndication Agents and Co-Documentation Agents (incorporated by reference to Exhibit 10.1 to Form 8-K filed March 29, 2024).

Exhibit 10.1 364-DAY REVOLVING CREDIT AGREEMENT dated as of March 29, 2024 among ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., MUFG BANK, LTD., and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITSUI BANKI

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 29, 2024 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2023.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2023. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guaranto

List of Consolidated Subsidiaries as of February 1, 2024.

Exhibit 21.1 LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2024 Jurisdiction Name of Subsidiary of Formation Effective Ownership 38 Niente LLC Texas Enterprise Products Operating LLC – 100% Acadian Gas Pipeline System Delaware TXO-Acadian Gas Pipeline, LLC – 50% MCN Acadian Gas Pipeline, LLC – 50% Acadian Gas, LLC Delaware Duncan Energy Partners L.P. – 100% Adamana Land

Retention Bonus Agreement between R. Daniel Boss and Enterprise Products Company dated effective April 15, 2019.

EXHIBIT 10.21 RETENTION BONUS AGREEMENT This Retention Bonus Agreement (“Agreement”) is made and entered into effective as of April 15, 2019 (the “Effective Date”), between Enterprise Products Company (“Company”) and Richard Daniel Boss (“Employee”). WHEREAS, the Company and Employee desire to enter into this Agreement to provide a contingent retention payment to encourage Employee (i) to remain e

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 12/31 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

Enterprise Products Partners L.P. Policy on Recoupment of Incentive Compensation.

Exhibit 97.1 ENTERPRISE PRODUCTS PARTNERS L.P. POLICY ON RECOUPMENT OF INCENTIVE COMPENSATION Adopted: November 8, 2023 Effective Date: October 2, 2023 Introduction The Board of Directors (the “Board”) of Enterprise Products Holdings LLC, the general partner (the “General Partner”) of Enterprise Products Partners L.P. (the “Partnership”), has adopted this Policy on Recoupment of Incentive Compensa

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 12, 2024 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 1, 2024 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 1, 2024 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Fourth Quarter 2023

Exhibit 99.1 Enterprise Reports Results for Fourth Quarter 2023 Houston, Texas (Thursday, February 1, 2024) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months and year ended December 31, 2023. Fourth Quarter and Year End 2023 Financial Highlights Three Months Ended December 31, Year Ended December 31, ($ in millions, except per

Thirty-Eighth Supplemental Indenture, dated as of January 11, 2024, among Enterprise Products Operating LLC, as Issuer, Enterprise Products Partners L.P., as Parent Guarantor, and U.S. Bank Trust Company, National Association, as Series Trustee (incorporated by reference to Exhibit 4.4 to Form 8-K filed January 11, 2024).

EX-4.4 Exhibit 4.4 Execution Version ENTERPRISE PRODUCTS OPERATING LLC, AS ISSUER ENTERPRISE PRODUCTS PARTNERS L.P., AS PARENT GUARANTOR and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS SERIES TRUSTEE THIRTY-EIGHTH SUPPLEMENTAL INDENTURE Dated as of January 11, 2024 to Indenture dated as of October 4, 2004 4.60% Senior Notes due 2027 4.85% Senior Notes due 2034 TABLE OF CONTENTS Page ARTICLE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 11, 2024 ENTERPRISE PRODU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 11, 2024 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

DESCRIPTION OF THE NOTES

EX-99.1 Exhibit 99.1 DESCRIPTION OF THE NOTES We have summarized below certain material terms and provisions of the notes. This summary is not a complete description of all of the terms and provisions of the notes. You should read carefully the section entitled “Description of Debt Securities” in the accompanying prospectus for a description of other material terms of the notes, the Guarantee and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 2, 2024 ENTERPRISE PRODUC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 2, 2024 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or O

ENTERPRISE PRICES $2.0 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES

EX-99.2 Exhibit 99.2 ENTERPRISE PRICES $2.0 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES Houston, Texas (Tuesday, January 2, 2024) – Enterprise Products Partners L.P. (NYSE:EPD) (“Enterprise”) today announced that its operating subsidiary, Enterprise Products Operating LLC (“EPO”), has priced a public offering of $2.0 billion aggregate principal amount of notes comprised of (i) $1.0 billion

Underwriting Agreement, dated January 2, 2024, by and among Enterprise Products Partners L.P., Enterprise Products OLPGP, Inc. and Enterprise Products Operating LLC and MUFG Securities Americas Inc., Citigroup Global Markets Inc., Credit Agricole Securities (USA) Inc., PNC Capital Markets LLC and TD Securities (USA) LLC, as representatives of the several underwriters named on Schedule I thereto.

Exhibit 1.1 ENTERPRISE PRODUCTS OPERATING LLC $1,000,000,000 4.60% Senior Notes due 2027 $1,000,000,000 4.85% Senior Notes due 2034 UNDERWRITING AGREEMENT January 2, 2024 MUFG Securities Americas Inc. Citigroup Global Markets Inc. Credit Agricole Securities (USA) Inc. PNC Capital Markets LLC TD Securities (USA) LLC As Representatives of the several Underwriters named in Schedule I to the Underwrit

Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Operating LLC (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Prop

EX-FILING FEES EXHIBIT 107.1 Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Operating LLC (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Security Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Regis

Enterprise Products Operating LLC $1,000,000,000 4.60% Senior Notes due 2027 $1,000,000,000 4.85% Senior Notes due 2034 Unconditionally Guaranteed by Enterprise Products Partners L.P.

Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-261416 333-261416-01 PROSPECTUS SUPPLEMENT (To Prospectus dated November 30, 2021) Enterprise Products Operating LLC $1,000,000,000 4.60% Senior Notes due 2027 $1,000,000,000 4.85% Senior Notes due 2034 Unconditionally Guaranteed by Enterprise Products Partners L.P. This prospectus supplement relates to our offering of two ser

SUBJECT TO COMPLETION, DATED JANUARY 2, 2024

Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-230066 333-230066-01 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities, and we are not soliciting an offer to buy these securities, in any jurisdiction where the offer or

Enterprise Products Operating LLC Enterprise Products Partners L.P. PRICING TERM SHEET

Filed Pursuant to Rule 433 Issuer Free Writing Prospectus dated January 2, 2024 Registration Statement No.

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2023.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2023. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarant

Amendment No. 1 to Agreement of Limited Partnership of EPCO Unit II L.P., dated as of November 6, 2023.

EXHIBIT 10.3 AMENDMENT NO. 1 TO AGREEMENT OF LIMITED PARTNERSHIP OF EPCO UNIT II L.P. This Amendment No. 1 dated effective as of November 6, 2023 (this “Amendment”) to the Agreement of Limited Partnership of EPCO Unit II L.P., a Delaware limited partnership (the “Partnership”), is hereby adopted by (i) Enterprise Products Company, a Texas corporation, as the General Partner of the Partnership, (ii

Amendment No. 1 to Agreement of Limited Partnership of EPD 2018 Unit IV L.P., dated as of November 6, 2023.

EXHIBIT 10.2 AMENDMENT NO. 1 TO AGREEMENT OF LIMITED PARTNERSHIP OF EPD 2018 UNIT IV L.P. This Amendment No. 1 dated effective as of November 6, 2023 (this “Amendment”) to the Agreement of Limited Partnership of EPD 2018 Unit IV L.P., a Delaware limited partnership (the “Partnership”), is hereby adopted by (i) Enterprise Products Company, a Texas corporation, as the General Partner of the Partners

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 31, 2023 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 31, 2023 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Third Quarter 2023

Exhibit 99.1 Enterprise Reports Results for Third Quarter 2023 Houston, Texas (Tuesday, October 31, 2023) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and nine months ended September 30, 2023. Enterprise reported net income attributable to common unitholders of $1.3 billion, or $0.60 per common unit on a fully diluted basis for

Equity Distribution Agreement, dated September 15, 2023, by and among Enterprise Products Partners L.P., Citigroup Global Markets Inc., Barclays Capital Inc., BBVA Securities Inc., BMO Capital Markets Corp., BofA Securities, Inc., Credit Agricole Securities (USA) Inc., Deutsche Bank Securities Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC, Morgan Stanley & Co. LLC, MUFG Securities Americas Inc., RBC Capital Markets, LLC, Scotia Capital (USA) Inc., SG Americas Securities, LLC, TD Securities (USA) LLC, Truist Securities, Inc. and Wells Fargo Securities, LLC (incorporated by reference to Exhibit 1.1 to Form 8-K filed September 15, 2023).

EX-1.1 Exhibit 1.1 Execution Version ENTERPRISE PRODUCTS PARTNERS L.P. Common Units Representing Limited Partner Interests Having an Aggregate Offering Price of up to $2,538,500,000 EQUITY DISTRIBUTION AGREEMENT September 15, 2023 Citigroup Global Markets Inc. 388 Greenwich Street New York, New York 10013 Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 Barclays Capital Inc. 745 Sev

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 15, 2023 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or other jurisdiction of incorporation)

Enterprise Products Partners L.P. Up to $2,538,500,000 of Common Units

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-273870 PROSPECTUS SUPPLEMENT (To Prospectus dated August 24, 2023) Enterprise Products Partners L.P. Up to $2,538,500,000 of Common Units This prospectus supplement and the accompanying prospectus relate to the offer and sale from time to time of common units representing limited partner interests in Enterprise Products

Enterprise Products Partners L.P. 1100 Louisiana Street, 10th Floor Houston, Texas 77002 August 22, 2023

Enterprise Products Partners L.P. 1100 Louisiana Street, 10th Floor Houston, Texas 77002 August 22, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Cheryl Brown Re: Registration Statement on Form S-3 (File No. 333-273870) of Enterprise Products Partners L.P. Dear Ms. Brown: Pursuant to Rule 461 promulgated

LETTER

United States securities and exchange commission logo August 22, 2023 Randall Fowler Chief Executive Officer Enterprise Products Partners L.

As filed with the Securities and Exchange Commission on August 10, 2023

S-3 Table of Contents As filed with the Securities and Exchange Commission on August 10, 2023 Registration No.

Filing Fee Table

EX-FILING FEES EXHIBIT 107.1 Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Partners L.P. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Security Proposed Maximum Aggregate Offering Price Fee Rate Amount of Re

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2023.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2023. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS P

Enterprise Reports Results for Second Quarter 2023

Exhibit 99.1 Enterprise Reports Results for Second Quarter 2023 Houston, Texas (Tuesday, August 1, 2023) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and six months ended June 30, 2023. Enterprise reported net income attributable to common unitholders of $1.3 billion, or $0.57 per unit on a fully diluted basis, for the second qu

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 1, 2023 ENTERPRISE PRODUCTS PARTNERS L.

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2023.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2023. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guarantor”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 2, 2023 ENTERPRISE PRODUCTS PAR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 2, 2023 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports First Quarter 2023 Earnings

Exhibit 99.1 Enterprise Reports First Quarter 2023 Earnings Houston, Texas (Tuesday, May 2, 2023) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months ended March 31, 2023. Enterprise reported net income attributable to common unitholders of $1.4 billion, or $0.63 per unit on a fully diluted basis, for the first quarter of 2023,

$100,000,000 Revolving Credit Facility FOURTH AMENDED AND RESTATED CREDIT AGREEMENT dated as of March 31, 2023 EPCO HOLDINGS, INC., as Borrower, The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent CITIBANK, N.A., WELLS FARGO SECURITIES,

EX-99.3 EXHIBIT 99.3 $100,000,000 Revolving Credit Facility FOURTH AMENDED AND RESTATED CREDIT AGREEMENT dated as of March 31, 2023 among EPCO HOLDINGS, INC., as Borrower, The Lenders Party Hereto and CITIBANK, N.A., as Administrative Agent CITIBANK, N.A., WELLS FARGO SECURITIES, LLC, BARCLAYS BANK PLC, J.P. MORGAN SECURITIES LLC, MIZUHO BANK, LTD., MUFG BANK, LTD., RBC CAPITAL MARKETS, SUMITOMO M

EPD / Enterprise Products Partners L P - Unit / WILLIAMS RANDA DUNCAN - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. **)* ENTERPRISE PRODUCTS PARTNERS L.P. (Name of Issuer) Common Units (Title of Class of Securities) 293792-10-7 (CUSIP Number) Richard H. Bachmann 1100 Louisiana Street, 10th Floor Houston, Texas 77002 (713) 381-6500 (Name, Address and Telephone N

FOURTH AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT EPCO HOLDINGS, INC., as Pledgor CITIBANK, N.A., INC., as Administrative Agent, as Secured Party Effective as of March 31, 2023

EX-99.4 EXHIBIT 99.4 FOURTH AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT Between EPCO HOLDINGS, INC., as Pledgor and CITIBANK, N.A., INC., as Administrative Agent, as Secured Party Effective as of March 31, 2023 FOURTH AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT THIS FOURTH AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT (this “Agreement”) is made effective as of March 31, 2023 (th

Guaranty Agreement, dated as of March 31, 2023, by Enterprise Products Partners L.P. in favor of Citibank, N.A., as administrative agent.

EX-10.2 EXHIBIT 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of March 31, 2023, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the “Guarantor”), is in favor of CITIBANK, N.A., as Administrative Agent (the “Agent”) for the several lenders ( “Lenders”) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS, Enterprise Produc

Revolving Credit Agreement, dated as of March 31, 2023, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Wells Fargo Bank, National Association, as Administrative Agent, and certain financial institutions named therein, as Co-Syndication Agents and Co-Documentation Agents (incorporated by reference to Exhibit 10.3 to Form 8-K filed March 31, 2023).

EX-10.3 EXHIBIT 10.3 REVOLVING CREDIT AGREEMENT dated as of March 31, 2023 among ENTERPRISE PRODUCTS OPERATING LLC as Borrower The Lenders Party Hereto WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent CITIBANK, N.A., JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD. MUFG BANK, LTD. and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITSUI BANKING

Guaranty Agreement, dated as of March 31, 2023, by Enterprise Products Partners L.P. in favor of Wells Fargo Bank, National Association, as administrative agent (incorporated by reference to Exhibit 10.4 to Form 8-K filed March 31, 2023).

EX-10.4 EXHIBIT 10.4 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of March 31, 2023, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the “Guarantor”), is in favor of WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent (the “Agent”) for the several lenders ( “Lenders”) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WH

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 31, 2023 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 31, 2023 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

364-Day Revolving Credit Agreement, dated as of March 31, 2023, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Citibank, N.A., as Administrative Agent, and certain financial institutions named therein, as Co-Syndication Agents and Co-Documentation Agents (incorporated by reference to Exhibit 10.1 to Form 8-K filed March 31, 2023).

EX-10.1 EXHIBIT 10.1 364-DAY REVOLVING CREDIT AGREEMENT dated as of March 31, 2023 among ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., MUFG BANK, LTD., and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 12/31 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

Form of Employee Phantom Unit Grant Award under the 2008 Enterprise Products Long-Term Incentive Plan for awards issued on or after November 22, 2022 (incorporated by reference to Exhibit 10.4 to Form 10-K filed February 28, 2023).

EXHIBIT 10.4 Phantom Unit Grant with DERs under the 2008 Enterprise Products Long-Term Incentive Plan (Fourth Amendment and Restatement) Date of Grant: Name of Grantee: Number of Phantom Units Granted: Phantom Unit Grant Number: Enterprise Products Company (the “Company”) is pleased to inform you that you have been granted under the 2008 Enterprise Products Long-Term Incentive Plan (Fourth Amendme

List of Consolidated Subsidiaries as of February 1, 2023.

Exhibit 21.1 LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2023 Jurisdiction Name of Subsidiary of Formation Effective Ownership 38 Niente LLC Texas Enterprise Products Operating LLC – 100% Acadian Gas Pipeline System Delaware TXO-Acadian Gas Pipeline, LLC – 50% MCN Acadian Gas Pipeline, LLC – 50% Acadian Gas, LLC Delaware Duncan Energy Partners L.P. – 100% Adamana Land

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2022.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2022. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products Partners L.P. (the “Parent Guaranto

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 1, 2023 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Record 2022 Results

Exhibit 99.1 Enterprise Reports Record 2022 Results Houston, Texas (Wednesday, February 1, 2023) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three months and year ended December 31, 2022. Year Ended 2022 Results Enterprise reported net income attributable to common unitholders of $5.5 billion, or $2.50 per unit on a fully diluted bas

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 10, 2023 ENTERPRISE PRODU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 10, 2023 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

Thirty-Seventh Supplemental Indenture, dated as of January 10, 2023, among Enterprise Products Operating LLC, as Issuer, Enterprise Products Partners L.P., as Parent Guarantor, and U.S. Bank Trust Company, National Association, as Series Trustee (incorporated by reference to Exhibit 4.4 to Form 8-K filed January 10, 2023).

Exhibit 4.4 ENTERPRISE PRODUCTS OPERATING LLC, AS ISSUER ENTERPRISE PRODUCTS PARTNERS L.P., AS PARENT GUARANTOR and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS SERIES TRUSTEE THIRTY-SEVENTH SUPPLEMENTAL INDENTURE Dated as of January 10, 2023 to Indenture dated as of October 4, 2004 5.05% Senior Notes due 2026 5.35% Senior Notes due 2033 TABLE OF CONTENTS Page ARTICLE I THE NOTES Section 1.1

DESCRIPTION OF THE NOTES

Exhibit 99.1 DESCRIPTION OF THE NOTES We have summarized below certain material terms and provisions of the notes. This summary is not a complete description of all of the terms and provisions of the notes. You should read carefully the section entitled ?Description of Debt Securities? in the accompanying prospectus for a description of other material terms of the notes, the Guarantee and the Base

Underwriting Agreement, dated January 3, 2023, by and among Enterprise Products Partners L.P., Enterprise Products OLPGP, Inc. and Enterprise Products Operating LLC and J.P. Morgan Securities LLC, BofA Securities, Inc., Morgan Stanley & Co. LLC and RBC Capital Markets, LLC, as representatives of the several underwriters named on Schedule I thereto.

Exhibit 1.1 ENTERPRISE PRODUCTS OPERATING LLC $750,000,000 5.05% Senior Notes due 2026 $1,000,000,000 5.35% Senior Notes due 2033 UNDERWRITING AGREEMENT January 3, 2023 J.P. Morgan Securities LLC BofA Securities, Inc. Morgan Stanley & Co. LLC RBC Capital Markets, LLC As Representatives of the several Underwriters named in Schedule I to the Underwriting Agreement, c/o J.P. Morgan Securities LLC 383

ENTERPRISE PRICES $1.75 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES

Exhibit 99.2 ENTERPRISE PRICES $1.75 BILLION AGGREGATE PRINCIPAL AMOUNT OF SENIOR NOTES Houston, Texas (Tuesday, January 3, 2023) ? Enterprise Products Partners L.P. (NYSE:EPD) (?Enterprise?) today announced that its operating subsidiary, Enterprise Products Operating LLC (?EPO?), has priced a public offering of $1.75 billion aggregate principal amount of notes comprised of (i) $750 million princi

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 3, 2023 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or O

Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Operating LLC (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Prop

EXHIBIT 107.1 Calculation of Filing Fee Table Form 424B5 (Form Type) Enterprise Products Operating LLC (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Security Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Registered Securitie

Enterprise Products Operating LLC $750,000,000 5.05% Senior Notes due 2026 $1,000,000,000 5.35% Senior Notes due 2033 Unconditionally Guaranteed by Enterprise Products Partners L.P.

Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-230066 333-230066-01 PROSPECTUS SUPPLEMENT (To Prospectus dated November 30, 2021) Enterprise Products Operating LLC $750,000,000 5.05% Senior Notes due 2026 $1,000,000,000 5.35% Senior Notes due 2033 Unconditionally Guaranteed by Enterprise Products Partners L.P. This prospectus supplement relates to our offering of two serie

Enterprise Products Operating LLC Enterprise Products Partners L.P. PRICING TERM SHEET

Filed Pursuant to Rule 433 Issuer Free Writing Prospectus dated January 3, 2023 Registration Statement No.

SUBJECT TO COMPLETION, DATED JANUARY 3, 2023

424B3 1 d442109d424b3.htm 424B3 Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-230066 333-230066-01 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities, and we are not soliciting an offer to buy these securities, in any

FOLLOWILL ELECTED DIRECTOR OF ENTERPRISE’S GENERAL PARTNER

EXHIBIT 99.1 FOLLOWILL ELECTED DIRECTOR OF ENTERPRISE?S GENERAL PARTNER Houston, Texas (December 29, 2022) ? Enterprise Products Partners L.P. (?Enterprise? NYSE: EPD) today announced that Rebecca G. ?Becca? Followill has been elected as a director on the board of Enterprise?s general partner, Enterprise Products Holdings LLC, effective January 1, 2023. Mrs. Followill has also been appointed to se

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2022 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2022 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or other jurisdiction of incorporation) (

As filed with the Securities and Exchange Commission on November 22, 2022

As filed with the Securities and Exchange Commission on November 22, 2022 Registration No.

Calculation of Filing Fee Table.

EXHIBIT 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Enterprise Products Partners L.P. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1)(2) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price(3) Fee Rate Amount of Registration Fee Equity Common Units

As filed with the Securities and Exchange Commission on November 22, 2022

As filed with the Securities and Exchange Commission on November 22, 2022 Registration No.

Calculation of Filing Fee Table

EXHIBIT 107.1 Calculation of Filing Fee Table Form S-8 (Form Type) Enterprise Products Partners L.P. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1)(2) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price(3) Fee Rate Amount of Registration Fee Equity Common Units

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 22, 2022 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 22, 2022 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 11, 2022 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 11, 2022 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODU

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2022.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2022. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guarant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 1, 2022 ENTERPRISE PRODUCT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 1, 2022 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Third Quarter 2022

Exhibit 99.1 Enterprise Reports Results for Third Quarter 2022 Houston, Texas (Tuesday, November 1, 2022) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and nine months ended September 30, 2022. Enterprise reported net income attributable to common unitholders of $1.4 billion, or $0.62 per unit on a fully diluted basis, for the th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Guaranty Agreement, dated as of September 6, 2022, by Enterprise Products Partners L.P. in favor of Citibank, N.A., as administrative agent (incorporated by reference to Exhibit 10.2 to Form 8-K filed September 6, 2022).

EXHIBIT 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of September 6, 2022, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the ?Guarantor?), is in favor of CITIBANK, N.A., as Administrative Agent (the ?Agent?) for the several lenders ( ?Lenders?) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS, Enterprise Products Op

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 6, 2022 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

364-Day Revolving Credit Agreement, dated as of September 6, 2022, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Citibank, N.A., as Administrative Agent, and certain financial institutions named therein, as Co-Syndication Agents and Co-Documentation Agents (incorporated by reference to Exhibit 10.1 to Form 8-K filed September 6, 2022).

EXHIBIT 10.1 364-DAY REVOLVING CREDIT AGREEMENT dated as of September 6, 2022 among ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., MUFG BANK, LTD., and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITSUI BA

Sixth Amended and Restated Limited Liability Company Agreement of Enterprise Products Holdings LLC dated effective as of August 9, 2022 (incorporated by reference to Exhibit 3.9 to Form 10-Q filed August 9, 2022).

Exhibit 3.9 SIXTH AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF ENTERPRISE PRODUCTS HOLDINGS LLC A Delaware Limited Liability Company SIXTH AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF ENTERPRISE PRODUCTS HOLDINGS LLC A Delaware Limited Liability Company Table of Contents ARTICLE 1 DEFINITIONS 2 1.01 Definitions. 2 1.02 Construction. 2 ARTICLE 2 ORGANIZATION 2 2.01 For

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2022.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2022. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guarantor?)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS P

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 3, 2022 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Second Quarter 2022

Exhibit 99.1 Enterprise Reports Results for Second Quarter 2022 Houston, Texas (Wednesday, August 3, 2022) – Enterprise Products Partners L.P. (“Enterprise”) (NYSE: EPD) today announced its financial results for the three and six months ended June 30, 2022. Enterprise reported record net income attributable to common unitholders of $1.4 billion, or $0.64 per unit on a fully diluted basis, for the

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 6, 2022 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Orga

$300,000,000 Revolving Credit Facility THIRD AMENDED AND RESTATED CREDIT AGREEMENT dated as of September 7, 2021 EPCO HOLDINGS, INC., as Borrower, The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent CITIBANK, N.A., WELLS FARGO SECURITIES

EXHIBIT 99.3 $300,000,000 Revolving Credit Facility THIRD AMENDED AND RESTATED CREDIT AGREEMENT dated as of September 7, 2021 among EPCO HOLDINGS, INC., as Borrower, The Lenders Party Hereto and CITIBANK, N.A., as Administrative Agent CITIBANK, N.A., WELLS FARGO SECURITIES, LLC. BARCLAYS BANK PLC,, J.P. MORGAN SECURITIES LLC, MIZUHO BANK, LTD., MUFG BANK, LTD., RBC CAPITAL MARKETS SUMITOMO MITSUI

EPD / Enterprise Products Partners L.P. / WILLIAMS RANDA DUNCAN - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. **)* ENTERPRISE PRODUCTS PARTNERS L.P. (Name of Issuer) Common Units (Title of Class of Securities) 293792-10-7 (CUSIP Number) Richard H. Bachmann 1100 Louisiana Street, 10th Floor Houston, Texas 77002 (713) 381-6500 (Name, Address and Telephone N

THIRD AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT EPCO HOLDINGS, INC., as Pledgor CITIBANK, N.A., INC., as Administrative Agent, as Secured Party Effective as of September 7, 2021

EX-99.4 3 d348491dex994.htm EX-99.4 EXHIBIT 99.4 THIRD AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT Between EPCO HOLDINGS, INC., as Pledgor and CITIBANK, N.A., INC., as Administrative Agent, as Secured Party Effective as of September 7, 2021 THIRD AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT THIS THIRD AMENDED AND RESTATED PLEDGE AND SECURITY AGREEMENT (this “Agreement”) is made effect

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2022.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2022. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guarantor?)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

LETTER

United States securities and exchange commission logo May 4, 2022 R. Daniel Boss Executive Vice President Enterprise Products Partners L.P. 1100 Louisiana Street, 10th Floor Houston, TX 77002 Re: Enterprise Products Partners L.P. Form 10-K for the Year Ended December 31, 2021 Filed February 28, 2022 File No. 001-14323 Dear Mr. Boss: We have completed our review of your filing. We remind you that t

May 3, 2022

SIDLEY AUSTIN LLP 1000 LOUISIANA STREET SUITE 5900 HOUSTON, TX 77002 +1 713 495 4500 +1 713 495 7799 FAX AMERICA ? ASIA PACIFIC ? EUROPE May 3, 2022 VIA EDGAR Division of Corporation Finance Office of Energy & Transportation U.

Enterprise Reports First Quarter 2022 Earnings

Exhibit 99.1 Enterprise Reports First Quarter 2022 Earnings Houston, Texas (Monday, May 2, 2022) ? Enterprise Products Partners L.P. (?Enterprise?) (NYSE: EPD) today announced its financial results for the three months ended March 31, 2022. Enterprise reported net income attributable to common unitholders of $1.3 billion, or $0.59 per unit on a fully diluted basis, for the first quarter of 2022, c

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 2, 2022 ENTERPRISE PRODUCTS PARTNERS L.

LETTER

United States securities and exchange commission logo April 20, 2022 R. Daniel Boss Executive Vice President Enterprise Products Partners L.P. 1100 Louisiana Street, 10th Floor Houston, TX 77002 Re: Enterprise Products Partners L.P. Form 10-K for the Year Ended December 31, 2021 Filed February 28, 2022 File No. 001-14323 Dear Mr. Boss: We have limited our review of your filing to the financial sta

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 1, 2022 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Org

Term Loan Agreement, dated as of March 1, 2022, by and between Enterprise Products Operating LLC, as Borrower, and Wells Fargo Bank, National Association, as Lender and Administrative Agent.

EX-10.1 2 d295448dex101.htm EX-10.1 EXHIBIT 10.1 TERM LOAN AGREEMENT dated as of March 1, 2022 among ENTERPRISE PRODUCTS OPERATING LLC as Borrower WELLS FARGO BANK, NATIONAL ASSOCIATION, as Lender WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent $500,000,000 2-Year Delayed Draw Term Loan Facility TABLE OF CONTENTS ARTICLE I Definitions 1 SECTION 1.01. Defined Terms 1 SECTION 1.02. C

Guaranty Agreement, dated as of March 1, 2022, by Enterprise Products Partners L.P. in favor of Wells Fargo Bank, National Association, as Administrative Agent.

EXHIBIT 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of March 1, 2022, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the ?Guarantor?), is in favor of WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent (the ?Agent?) for the several lenders ( ?Lenders?) that are or become parties to the Term Loan Agreement defined below. W I T N E S S E T H: WHEREAS,

List of Consolidated Subsidiaries as of February 1, 2022.

Exhibit 21.1 LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2022 Name of Subsidiary Jurisdiction of Formation Effective Ownership 38 Niente LLC Texas Enterprise Products Operating LLC ? 100% Acadian Gas Pipeline System Delaware TXO-Acadian Gas Pipeline, LLC ? 50% MCN Acadian Gas Pipeline, LLC ? 50% Acadian Gas, LLC Delaware Duncan Energy Partners L.P. ? 100% Adamana Land

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 12/31 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2021.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2021. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guaranto

Enterprise Reports 2021 Results

Exhibit 99.1 Enterprise Reports 2021 Results Houston, Texas (Tuesday, February 1, 2022) ? Enterprise Products Partners L.P. (?Enterprise?) (NYSE: EPD) today announced its financial results for the three months and year ended December 31, 2021. Year Ended 2021 Results Enterprise reported net income attributable to common unitholders for 2021 of $4.6 billion, or $2.10 per unit on a fully diluted bas

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 1, 2022 ENTERPRISE PRODUCTS PARTNERS L.

As filed with the Securities and Exchange Commission on November 30, 2021

Table of Contents As filed with the Securities and Exchange Commission on November 30, 2021 Registration No.

Form T-1 Statement of Eligibility of Trustee for Senior Debt Securities.

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif

Form T-1 Statement of Eligibility of Trustee for Subordinated Debt Securities.

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif

Forward‐Looking Statements This presentation contains forward‐looking statements based on the beliefs of the company, as well as assumptions made by, and information currently available to our management team (including information published by third

Exhibit 99.1 ENTERPRISE PRODUCTS PARTNERS L.P. ALLOCATION OF CAPITAL November 17, 2021 Forward?Looking Statements This presentation contains forward?looking statements based on the beliefs of the company, as well as assumptions made by, and information currently available to our management team (including information published by third parties). When used in this presentation, words such as ?antic

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 17, 2021 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2021.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at September 30, 2021. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guarant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODU

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 2, 2021 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Third Quarter 2021

Exhibit 99.1 Enterprise Reports Results for Third Quarter 2021 Houston, Texas (Tuesday, November 2, 2021) ? Enterprise Products Partners L.P. (?Enterprise?) (NYSE: EPD) today announced its financial results for the three and nine months ended September 30, 2021. Enterprise reported net income attributable to common unitholders of $1.2 billion, or $0.52 per unit on a fully diluted basis, for the th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 15, 2021 ENTERPRISE PRO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 15, 2021 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation o

Thirty-Sixth Supplemental Indenture, dated as of September 15, 2021, by and among Enterprise Products Operating LLC, as Issuer, Enterprise Products Partners L.P., as Parent Guarantor, Wells Fargo Bank, National Association, as Original Trustee, and U.S. Bank National Association, as Series Trustee (incorporated by reference to Exhibit 4.3 to Form 8-K filed September 15, 2021).

Exhibit 4.3 Execution Version ENTERPRISE PRODUCTS OPERATING LLC, AS ISSUER ENTERPRISE PRODUCTS PARTNERS L.P., AS PARENT GUARANTOR WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ORIGINAL TRUSTEE and U.S. BANK NATIONAL ASSOCIATION, AS SERIES TRUSTEE THIRTY-SIXTH SUPPLEMENTAL INDENTURE Dated as of September 15, 2021 to Indenture dated as of October 4, 2004 3.300% Senior Notes due 2053 TABLE OF CONTENTS P

DESCRIPTION OF THE NOTES

Exhibit 99.1 DESCRIPTION OF THE NOTES We have summarized below certain material terms and provisions of the notes. This summary is not a complete description of all of the terms and provisions of the notes. You should read carefully the section entitled ?Description of Debt Securities? in the accompanying prospectus for a description of other material terms of the notes, the Guarantee and the Base

Underwriting Agreement, dated September 7, 2021, by and among Enterprise Products Partners L.P., Enterprise Products OLPGP, Inc. and Enterprise Products Operating LLC and Citigroup Global Markets Inc., Deutsche Bank Securities Inc., SG Americas Securities, LLC and U.S. Bancorp Investments, Inc., as representatives of the several underwriters named on Schedule I thereto.

Exhibit 1.1 ENTERPRISE PRODUCTS OPERATING LLC $1,000,000,000 3.300% Senior Notes due 2053 UNDERWRITING AGREEMENT September 7, 2021 Citigroup Global Markets Inc. Deutsche Bank Securities Inc. SG Americas Securities, LLC U.S. Bancorp Investments, Inc. As Representatives of the several Underwriters named in Schedule I to the Underwriting Agreement, c/o Citigroup Global Markets Inc. 388 Greenwich Stre

ENTERPRISE PRICES $1.0 BILLION PRINCIPAL AMOUNT OF SENIOR NOTES

Exhibit 99.2 ENTERPRISE PRICES $1.0 BILLION PRINCIPAL AMOUNT OF SENIOR NOTES Houston, Texas (Tuesday, September 7, 2021) ? Enterprise Products Partners L.P. (NYSE:EPD) (?Enterprise?) today announced that its operating subsidiary, Enterprise Products Operating LLC (?EPO?), has priced a public offering of $1.0 billion principal amount of Senior Notes EEE due February 15, 2053. Enterprise expects to

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2021 ENTERPRISE PROD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2021 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

CALCULATION OF REGISTRATION FEE Title of Each Class to be Registered Maximum Aggregate Offering Price Amount of Registration Fee(1) Unsecured Senior Notes $1,000,000,000 $109,100

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-230066 333-230066-01 CALCULATION OF REGISTRATION FEE Title of Each Class to be Registered Maximum Aggregate Offering Price Amount of Registration Fee(1) Unsecured Senior Notes $1,000,000,000 $109,100 (1) The filing fee, calculated in accordance with Rule 457(r) of the Securities Act of 1933, as amended, has been transmitted to

Revolving Credit Agreement, dated as of September 7, 2021, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Wells Fargo Bank, National Association, as Administrative Agent, Citibank, N.A., JPMorgan Chase Bank, N.A., Mizuho Bank, Ltd., MUFG Bank, Ltd. and Truist Bank, as Co-Syndication Agents, and Barclays Bank PLC, Royal Bank of Canada, Sumitomo Mitsui Banking Corporation, The Bank of Nova Scotia, Houston Branch, and The Toronto-Dominion Bank, New York Branch, as Co-Documentation Agents (incorporated by reference to Exhibit 10.3 to Form 8-K filed September 7, 2021).

EXHIBIT 10.3 REVOLVING CREDIT AGREEMENT dated as of September 7, 2021 among ENTERPRISE PRODUCTS OPERATING LLC as Borrower The Lenders Party Hereto WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent CITIBANK, N.A., JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD. MUFG BANK, LTD. and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITSUI BANKING CORPO

U.S. Bank National Association Statement of Financial Condition As of 6/30/2021 6/30/2021 Assets Cash and Balances Due From Depository Institutions $ 44,435,957 Securities 158,894,854 Federal Funds 2,376 Loans & Lease Financing Receivables 296,741,90

Exhibit 7 U.S. Bank National Association Statement of Financial Condition As of 6/30/2021 ($000?s) 6/30/2021 Assets Cash and Balances Due From Depository Institutions $ 44,435,957 Securities 158,894,854 Federal Funds 2,376 Loans & Lease Financing Receivables 296,741,901 Fixed Assets 6,294,698 Intangible Assets 13,278,545 Other Assets 28,204,350 Total Assets $ 547,852,681 Liabilities Deposits $ 442

Exhibit 2

Exhibit 2 c) Office of the Comptroller of the Currency I Washington, DC 20219 CERTIFICATE OF CORPORATE EXISTENCE I, Michael J.

SUBJECT TO COMPLETION, DATED SEPTEMBER 7, 2021

Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-230066 333-230066-01 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities, and we are not soliciting an offer to buy these securities, in any jurisdiction where the offer or

364-Day Revolving Credit Agreement, dated as of September 7, 2021, by and among Enterprise Products Operating LLC, as Borrower, the Lenders party thereto, Citibank, N.A., as Administrative Agent, Wells Fargo Bank, National Association, JPMorgan Chase Bank, N.A., Mizuho Bank, Ltd., MUFG Bank, Ltd. and Truist Bank, as Co-Syndication Agents, and Barclays Bank PLC, Royal Bank of Canada, Sumitomo Mitsui Banking Corporation, The Bank of Nova Scotia, Houston Branch, and The Toronto-Dominion Bank, New York Branch, as Co-Documentation Agents (incorporated by reference to Exhibit 10.1 to Form 8-K filed September 7, 2021).

EXHIBIT 10.1 364-DAY REVOLVING CREDIT AGREEMENT dated as of September 7, 2021 among ENTERPRISE PRODUCTS OPERATING LLC, as Borrower The Lenders Party Hereto CITIBANK, N.A., as Administrative Agent WELLS FARGO BANK, NATIONAL ASSOCIATION, JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., MUFG BANK, LTD., and TRUIST BANK, as Co-Syndication Agents BARCLAYS BANK PLC, ROYAL BANK OF CANADA, SUMITOMO MITSUI BA

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 7, 2021 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

305B2/A 1 d226895d305b2a.htm 305B2/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its

Guaranty Agreement, dated as of September 7, 2021, by Enterprise Products Partners L.P. in favor of Citibank, N.A., as administrative agent (incorporated by reference to Exhibit 10.2 to Form 8-K filed September 7, 2021).

EXHIBIT 10.2 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of September 7, 2021, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the ?Guarantor?), is in favor of CITIBANK, N.A., as Administrative Agent (the ?Agent?) for the several lenders ( ?Lenders?) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS, Enterprise Products Op

Exhibit 6

Exhibit 6 CONSENT In accordance with Section 321(b) of the Trust Indenture Act of 1939, the undersigned, U.

Exhibit 3

Exhibit 3 c) Office of the Comptroller of the Currency Washington, DC 20219 . CERTIFICATE OF FIDUCIARY POWERS 1, Michael J. llsu, Acting Comptroller of the Currency, do hereby certify that: I. The Office of the Comptroller of the Currency, pursuant to Revised Statutes 324, et seq, as amended, and 12 USC 1, ct seq, as amended, has possession, custody, and control of all records pertaining to the ch

Guaranty Agreement, dated as of September 7, 2021, by Enterprise Products Partners L.P. in favor of Wells Fargo Bank, National Association, as administrative agent (incorporated by reference to Exhibit 10.4 to Form 8-K filed September 7, 2021).

EXHIBIT 10.4 GUARANTY AGREEMENT THIS GUARANTY AGREEMENT, dated as of September 7, 2021, by ENTERPRISE PRODUCTS PARTNERS L.P., a Delaware limited partnership (the ?Guarantor?), is in favor of WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent (the ?Agent?) for the several lenders ( ?Lenders?) that are or become parties to the Credit Agreement defined below. W I T N E S S E T H: WHEREAS

Filed Pursuant to Rule 433

Filed Pursuant to Rule 433 Registration No. 333-230066 Registration No. 333-230066-01 September 7, 2021 The information in this pricing supplement supplements the preliminary prospectus supplement, dated September 7, 2021 (the ?Preliminary Prospectus Supplement?) and supersedes the information in the Preliminary Prospectus Supplement to the extent it is inconsistent with the information in the Pre

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2021.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at June 30, 2021. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guarantor?)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS P

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 1, 2021 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Or

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2021 ENTERPRISE PRODUCTS PARTNERS L.P. (Exact name of registrant as specified in its charter) Delaware 1-14323 76-0568219 (State or Other Jurisdiction of Incorporation or Org

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 28, 2021 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports Results for Second Quarter 2021

Exhibit 99.1 Enterprise Reports Results for Second Quarter 2021 Houston, Texas (Wednesday, July 28, 2021) ? Enterprise Products Partners L.P. (?Enterprise?) (NYSE: EPD) today announced its financial results for the three and six months ended June 30, 2021. Enterprise reported net income attributable to common unitholders of $1.1 billion, or $0.50 per unit on a fully diluted basis, for the second q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. **)* ENTERPRISE PRODUCTS PARTNERS L.P. (Name of Issuer) Common Units (Title of Class of Securities) (CUSIP

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. **)* ENTERPRISE PRODUCTS PARTNERS L.P. (Name of Issuer) Common Units (Title of Class of Securities) 293792-10-7 (CUSIP Number) Richard H. Bachmann 1100 Louisiana Street, 10th Floor Houston, Texas 77002 (713) 381-6500 (Name, Address and Telephone N

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2021.

EX-22.1 2 exhibit221.htm EXHIBIT 22.1 Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at March 31, 2021. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the “Subsidiary Issuer”) and guaranteed by Enterprise Products

Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 3, 2021 ENTERPRISE PRODUCTS PARTNERS L.

Enterprise Reports First Quarter 2021 Earnings

Exhibit 99.1 Enterprise Reports First Quarter 2021 Earnings Houston, Texas (Monday, May 3, 2021) ? Enterprise Products Partners L.P. (?Enterprise?) (NYSE: EPD) today announced its financial results for the three months ended March 31, 2021. Enterprise reported net income attributable to common unitholders of $1.3 billion, or $0.61 per unit on a fully diluted basis, for the first quarter of 2021, c

List of Consolidated Subsidiaries as of February 1, 2021.

Exhibit 21.1 LIST OF SUBSIDIARIES Enterprise Products Partners L.P. as of February 1, 2021 Name of Subsidiary Jurisdiction of Formation Effective Ownership 38 Niente LLC Texas Enterprise Products Operating LLC ? 100% Acadian Gas Pipeline System Delaware TXO-Acadian Gas Pipeline, LLC ? 50% MCN Acadian Gas Pipeline, LLC ? 50% Acadian Gas, LLC Delaware Duncan Energy Partners L.P. ? 100% Adamana Land

Annual Report - ANNUAL REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 12/31 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-14323 ENTERPRISE PRODUCTS

List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2020.

Exhibit 22.1 List of Issuers of Debt Securities Guaranteed by Enterprise Products Partners L.P. and Associated Securities at December 31, 2020. In compliance with Item 601(b)(22) of Regulation S-K, the following is a list of publicly traded debt securities issued by Enterprise Products Operating LLC (the ?Subsidiary Issuer?) and guaranteed by Enterprise Products Partners L.P. (the ?Parent Guaranto

Retention Bonus Agreement between Christian M. Nelly and Enterprise Products Company dated effective April 15, 2019 (incorporated by reference to Exhibit 10.26 to Form 10-K filed March 1, 2021).

EXHIBIT 10.26 RETENTION BONUS AGREEMENT This Retention Bonus Agreement (?Agreement?) is made and entered into effective as of April 15, 2019 (the ?Effective Date?), between Enterprise Products Company (?Company?) and Christian M. Nelly (?Employee?). WHEREAS, the Company and Employee desire to enter into this Agreement to provide a contingent retention payment to encourage Employee (i) to remain em

Form of Employee Phantom Unit Grant Award under the 2008 Enterprise Products Long-Term Incentive Plan for awards issued on or after February 3, 2021 and before November 22, 2022 (incorporated by reference to Exhibit 10.3 to Form 10-K filed March 1, 2021).

EXHIBIT 10.3 Phantom Unit Grant with DERs under the 2008 Enterprise Products Long-Term Incentive Plan (Third Amendment and Restatement) Date of Grant: Name of Grantee: Number of Phantom Units Granted: Phantom Unit Grant Number: Enterprise Products Company (the ?Company?) is pleased to inform you that you have been granted under the 2008 Enterprise Products Long-Term Incentive Plan (Third Amendment