Sec Form 4 Filing - WILLIAMS RANDA DUNCAN @ ENTERPRISE PRODUCTS PARTNERS L.P. - 2021-03-03

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person WILLIAMS RANDA DUNCAN 2. Issuer Name and Ticker or Trading Symbol ENTERPRISE PRODUCTS PARTNERS L.P. [ EPD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1100 LOUISIANA STREET, SUITE 1000 3. Date of Earliest Transaction (MM/DD/YY) 03/03/2021 (Street) HOUSTON, TX77002 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Units Representing Limited Partnership Interests 03/03/2021 P 93,437 A $ 22.55 ( 1 ) 4,839,155 I By RDW Family Trust ( 2 ) Common Units Representing Limited Partnership Interests 03/03/2021 P 93,437 A $ 22.55 ( 1 ) 4,839,155 I By DGD Family Trust ( 3 ) Common Units Representing Limited Partnership Interests 03/03/2021 P 93,437 A $ 22.55 ( 1 ) 4,839,155 I By MDF Family Trust ( 4 ) Common Units Representing Limited Partnership Interests 03/03/2021 P 93,436 A $ 22.55 ( 1 ) 4,839,154 I By SDD Family Trust ( 5 ) Series A Cumulative Convertible Preferred Units ( 6 ) 03/03/2021 S( 7 ) 15,412 ( 7 ) D ( 7 ) $ 1,000 ( 7 ) 0 I By Manxome Investors ( 8 ) Common Units Representing Limited Partnership Interests 03/04/2021 P 76,028 A $ 22.9 ( 9 ) 4,915,183 I By RDW Family Trust ( 2 ) Common Units Representing Limited Partnership Interests 03/04/2021 P 76,028 A $ 22.9 ( 9 ) 4,915,183 I By DGD Family Trust ( 3 ) Common Units Representing Limited Partnership Interests 03/04/2021 P 76,028 A $ 22.9 ( 9 ) 4,915,183 I By MDF Family Trust ( 4 ) Common Units Representing Limited Partnership Interests 03/04/2021 P 76,029 A $ 22.9 ( 9 ) 4,915,183 I By SDD Family Trust ( 5 ) Common Units Representing Limited Partnership Interests 181,950 D Common Units Representing Limited Partnership Interests 74,754,703 I By EPCO ( 10 ) Common Units Representing Limited Partnership Interests 593,479,815 I By EPCO Holdings ( 11 ) Common Units Representing Limited Partnership Interests 2,834,198 I By EPD PubCo II ( 12 ) ( 13 ) Common Units Representing Limited Partnership Interests 6,400,000 I By EPD IV ( 14 ) ( 15 ) Common Units Representing Limited Partnership Interests 1,600,000 I By EPCO II ( 16 ) ( 17 ) Common Units Representing Limited Partnership Interests 1,111,438 I By EPD PrivCo I ( 18 ) ( 19 ) Common Units Representing Limited Partnership Interests 469,923 I By RLD Grantor Trust ( 20 ) Common Units Representing Limited Partnership Interests 469,923 I By DGD Grantor Trust ( 21 ) Common Units Representing Limited Partnership Interests 469,923 I By MDD Grantor Trust ( 22 ) Common Units Representing Limited Partnership Interests 469,923 I By SDD Irrevocable Trust ( 23 ) Common Units Representing Limited Partnership Interests 455,097 I By A&W Ltd. ( 24 ) Common Units Representing Limited Partnership Interests 75,736 I By Chaswil, Ltd. ( 25 ) Common Units Representing Limited Partnership Interests 9,090 I By Spouse Common Units Representing Limited Partnership Interests 4,040 I Jointly with Spouse ( 26 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other WILLIAMS RANDA DUNCAN 1100 LOUISIANA STREET SUITE 1000 HOUSTON, TX77002 X X Enterprise Products Co 1100 LOUISIANA STREET SUITE 1000 HOUSTON, TX77002 X EPCO Holdings, Inc. 1100 LOUISIANA STREET SUITE 1000 HOUSTON, TX77002 X Signatures /s/Christopher S. Wade, Attorney-in-Fact on behalf of Randa Duncan Williams and Vice President-Legal of EPCO and EPCO Holdings 03/05/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the weighted average purchase price. These Common Units were purchased at various prices ranging from $22.21 to $22.83. Financial information regarding the number of Common Units purchased at each price will be provided upon the request of the United States Securities and Exchange Commission staff, the issuer, or a security holder of the issuer. ( 2 )These Common Units are owned directly by The Randa Duncan Williams 2018 Family Trust (the "RDW Family Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the RDW Family Trust, except to the extent of her pecuniary interest therein. ( 3 )These Common Units are owned directly by The Dannine Gale Duncan 2018 Family Trust (the "DGD Family Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the DGD Family Trust, except to the extent of her pecuniary interest therein. ( 4 )These Common Units are owned directly by The Milane Duncan Frantz 2018 Family Trust (the "MDF Family Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the MDF Family Trust, except to the extent of her pecuniary interest therein. ( 5 )These Common Units are owned directly by The Scott D. Duncan 2003 Family Trust (the "SDD Family Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the SDD Family Trust, except to the extent of her pecuniary interest therein. ( 6 )The issuer's Series A Cumulative Convertible Preferred Units ("Preferred Units") are convertible into Common Units of the issuer pursuant to and in accordance with the terms and conditions of the issuer's partnership agreement, including a floating conversion ratio based on the market price of the Common Units as of the date of conversion. ( 7 )Reflects the private sale by the holder of non-derivative securities at a $1,000 per unit sale price that is identical to the holder's initial $1,000 per unit acquisition price paid for such securities. ( 8 )Immediately prior to the sale, these Preferred Units were owned directly by Manxome Investors L.P. ("Manxome Investors"). Ms. Williams serves as a director of the entity manager of Manxome Investors' general partner. Ms. Williams disclaims beneficial ownership of the Preferred Units owned directly by Manxome Investors, except to the extent of her pecuniary interest therein. ( 9 )Represents the weighted average purchase price. These Common Units were purchased at various prices ranging from $22.58 to $23.25. Financial information regarding the number of Common Units purchased at each price will be provided upon the request of the United States Securities and Exchange Commission staff, the issuer, or a security holder of the issuer. ( 10 )These Common Units are owned directly by Enterprise Products Company ("EPCO"). Ms. Williams serves as one of three voting trustees who collectively have voting and dispositive power over a majority of the outstanding voting stock of EPCO. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by EPCO, except to the extent of her pecuniary interest therein. ( 11 )These Common Units are owned directly by EPCO Holdings, Inc. ("EPCO Holdings"), which is a direct wholly owned subsidiary of EPCO. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by EPCO Holdings, except to the extent of her pecuniary interest therein. ( 12 )These Common Units are owned directly by EPD PubCo Unit II L.P., a Delaware limited partnership ("EPD PubCo II"), established for the benefit of certain EPCO employees who are its Class B limited partners. EPCO Holdings is the sole Class A limited partner and EPCO is the general partner of EPD PubCo II. The Common Units are beneficially owned by EPCO and EPCO Holdings to the extent of the interest of EPCO Holdings in these securities as a Class A limited partner in EPD PubCo II. Ms. Williams disclaims beneficial ownership of these Common Units, except to the extent of her pecuniary interest therein. ( 13 )Within 30 days after February 22, 2023 (or an earlier vesting date), EPD PubCo II will be liquidated and expects to distribute to the Class A limited partner a total number of Common Units having a fair market value equal to $66,348,575.18. Any remaining Common Units will be either distributed to the Class B limited partners in kind, or sold with the resulting proceeds distributed, pro rata relative to their share in EPD PubCo II. The Class B limited partner interests are subject to forfeiture. ( 14 )These Common Units are owned directly by EPD 2018 Unit IV L.P., a Delaware limited partnership ("EPD IV"), established for the benefit of certain EPCO employees who are its Class B limited partners. EPCO Holdings is the sole Class A limited partner and EPCO is the general partner of EPD IV. The Common Units are beneficially owned by EPCO and EPCO Holdings to the extent of the interest of EPCO Holdings in these securities as a Class A limited partner in EPD IV. Ms. Williams disclaims beneficial ownership of these Common Units, except to the extent of her pecuniary interest therein. ( 15 )Within 30 days after December 3, 2023 (or an earlier vesting date), EPD IV will be liquidated and expects to distribute to the Class A limited partner a total number of Common Units having a fair market value equal to $172,928,000. Any remaining Common Units will be either distributed to the Class B limited partners in kind, or sold with the resulting proceeds distributed, pro rata relative to their share in EPD IV. The Class B limited partner interests are subject to forfeiture. ( 16 )These Common Units are owned directly by EPCO Unit II L.P., a Delaware limited partnership ("EPCO II"), established for the benefit of certain EPCO employees who are its Class B limited partners. EPCO Holdings is the sole Class A limited partner and EPCO is the general partner of EPCO II. The Common Units are beneficially owned by EPCO and EPCO Holdings to the extent of the interest of EPCO Holdings in these securities as a Class A limited partner in EPCO II. Ms. Williams disclaims beneficial ownership of these Common Units, except to the extent of her pecuniary interest therein. ( 17 )Within 30 days after December 3, 2023 (or an earlier vesting date), EPCO II will be liquidated and expects to distribute to the Class A limited partner a total number of Common Units having a fair market value equal to $43,232,000. Any remaining Common Units will be either distributed to the Class B limited partners in kind, or sold with the resulting proceeds distributed, pro rata relative to their share in EPCO II. The Class B limited partner interests are subject to forfeiture. ( 18 )These Common Units are owned directly by EPD PrivCo Unit I L.P., a Delaware limited partnership ("E PD PrivCo I"), established for the benefit of certain EPCO employees who are its Class B limited partners. EPCO Holdings is the sole Class A limited partner and EPCO is the general partner of EPD PrivCo I. The Common Units are beneficially owned by EPCO and EPCO Holdings to the extent of the interest of EPCO Holdings in these securities as a Class A limited partner in EPD PrivCo I. Ms. Williams disclaims beneficial ownership of these Common Units, except to the extent of her pecuniary interest therein. ( 19 )Within 30 days after February 22, 2023 (or an earlier vesting date), EPD PrivCo I will be liquidated and expects to distribute to the Class A limited partner a total number of Common Units having a fair market value equal to $26,018,763.58. Any remaining Common Units will be either distributed to the Class B limited partners in kind, or sold with the resulting proceeds distributed, pro rata relative to their share in EPD PrivCo I. The Class B limited partner interests are subject to forfeiture. ( 20 )These Common Units are owned directly by The Randa Lynn Duncan 1990 Grantor Trust (the "RLD Grantor Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the RLD Grantor Trust, except to the extent of her pecuniary interest therein. ( 21 )These Common Units are owned directly by The Dannine Gale Duncan 1990 Grantor Trust (the "DGD Grantor Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the DGD Grantor Trust, except to the extent of her pecuniary interest therein. ( 22 )These Common Units are owned directly by The Milane Diane Duncan 1990 Grantor Trust (the "MDD Grantor Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the MDD Grantor Trust, except to the extent of her pecuniary interest therein. ( 23 )These Common Units are owned directly by The Scott Daniel Duncan Irrevocable Trust (the "SDD Irrevocable Trust"), for which Ms. Williams serves as a director of an entity trustee. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by the SDD Irrevocable Trust, except to the extent of her pecuniary interest therein. ( 24 )These Common Units are owned directly by Alkek and Williams, Ltd. ("A&W Ltd."), an affiliate of Ms. Williams' spouse. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by A&W Ltd., except to the extent of her pecuniary interest therein. Includes Common Units acquired in the issuer's distribution reinvestment plan. ( 25 )These Common Units are owned directly by Chaswil, Ltd., an affiliate of Ms. Williams' spouse. Ms. Williams disclaims beneficial ownership of the Common Units owned directly by Chaswil, Ltd., except to the extent of her pecuniary interest therein. Includes Common Units acquired in the issuer's distribution reinvestment plan. ( 26 )The power of attorney under which this form was signed is on file with the Commission.

Remarks: Transaction Code S - Private sale of non-derivative securityTransaction Code P - Open market purchase of non-derivative security

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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