TXO

SEC source: 0001559432-25-000049 · wk-form4_1743542102.xml · nonDerivative · entry 3

Clum Brent W. · CIK 0001725625 · Director · Co-CEO and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 638,820

F3 · shares: 3. Represents units sold to satisfy tax withholding obligations incident to the vesting of certain equity awards. This sale is covered under a Rule 10b5-1 trading arrangement. This sale is mandated by the Issuer's policy requiring the satisfaction of tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

SEC source: 0001559432-25-000049 · wk-form4_1743542102.xml · nonDerivative · entry 2

Clum Brent W. · CIK 0001725625 · Director · Co-CEO and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 670,337

F2 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest in one year on April 1, 2026.

SEC source: 0001559432-25-000049 · wk-form4_1743542102.xml · nonDerivative · entry 1

Clum Brent W. · CIK 0001725625 · Director · Co-CEO and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 570,337

F1 · shares: Reflects the grant of common units with immediate vesting.

SEC source: 0001559432-25-000029 · wk-form4_1738704250.xml · nonDerivative · entry 3

Agosta Scott T. · CIK 0001725631 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 159,498

F3 · shares: Represents units sold to satisfy tax withholding obligations incident to the vesting of certain equity awards. This sale is covered under a Rule 10b5-1 trading arrangement. This sale is mandated by the Issuer's policy requiring the satisfaction of tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

SEC source: 0001559432-25-000029 · wk-form4_1738704250.xml · nonDerivative · entry 2

Agosta Scott T. · CIK 0001725631 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 165,273

F2 · shares: Reflects performance units. Each performance unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The performance units will vest in two substantially equal installments beginning on January 31, 2026.

SEC source: 0001559432-25-000029 · wk-form4_1738704250.xml · nonDerivative · entry 1

Agosta Scott T. · CIK 0001725631 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 141,193

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest in three substantially equal installments beginning on January 31, 2026.

SEC source: 0001559432-25-000028 · wk-form4_1738704219.xml · nonDerivative · entry 2

Simpson Gary D. · CIK 0001436414 · President, Prod & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,570

F2 · shares: Reflects performance units. Each performance unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The performance units will vest in two substantially equal installments beginning on January 31, 2026.

SEC source: 0001559432-25-000028 · wk-form4_1738704219.xml · nonDerivative · entry 1

Simpson Gary D. · CIK 0001436414 · President, Prod & Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,480

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest in three substantially equal installments beginning on January 31, 2026.

SEC source: 0001559432-25-000021 · wk-form4_1738703947.xml · nonDerivative · entry 1

ADAMS WILLIAM H III · CIK 0001182695 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,284

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2026.

SEC source: 0001559432-25-000025 · wk-form4_1738704101.xml · nonDerivative · entry 1

King Luther Jr · CIK 0001290407 · Director · 10% owner · See below

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 747,344

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2026.

SEC source: 0001559432-25-000023 · wk-form4_1738704040.xml · nonDerivative · entry 1

KEVIL PHILLIP R · CIK 0001279296 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,384

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2026.

SEC source: 0001559432-25-000027 · wk-form4_1738704187.xml · nonDerivative · entry 3

Clum Brent W. · CIK 0001725625 · Director · Pres, Business Opers and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 470,337

F3 · shares: Represents units sold to satisfy tax withholding obligations incident to the vesting of certain equity awards. This sale is covered under a Rule 10b5-1 trading arrangement. This sale is mandated by the Issuer's policy requiring the satisfaction of tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

SEC source: 0001559432-25-000027 · wk-form4_1738704187.xml · nonDerivative · entry 2

Clum Brent W. · CIK 0001725625 · Director · Pres, Business Opers and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 478,039

F2 · shares: Reflects performance units. Each performance unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The performance units will vest in two substantially equal installments beginning on January 31, 2026.

SEC source: 0001559432-25-000027 · wk-form4_1738704187.xml · nonDerivative · entry 1

Clum Brent W. · CIK 0001725625 · Director · Pres, Business Opers and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 417,839

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest in three substantially equal installments beginning on January 31, 2026.

SEC source: 0001559432-25-000026 · wk-form4_1738704146.xml · nonDerivative · entry 1

Settle Rick Jacob · CIK 0001950307 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,716

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2026.

SEC source: 0001559432-25-000003 · wk-form4_1735857649.xml · nonDerivative · entry 1

ADAMS WILLIAM H III · CIK 0001182695 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,784

F1 · price: This transaction was executed in multiple trades at prices ranging from $16.75 to $17.00. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001559432-24-000059 · wk-form4_1734644629.xml · nonDerivative · entry 3

HUTTON KEITH A · CIK 0001182688 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,120,215

SEC source: 0001559432-24-000059 · wk-form4_1734644629.xml · nonDerivative · entry 2

HUTTON KEITH A · CIK 0001182688 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100,215

F2 · price: This transaction was executed in multiple trades at prices ranging from $15.85 to $16.15. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001559432-24-000057 · wk-form4_1734566924.xml · nonDerivative · entry 3

KEVIL PHILLIP R · CIK 0001279296 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,484

SEC source: 0001559432-24-000059 · wk-form4_1734644629.xml · nonDerivative · entry 1

HUTTON KEITH A · CIK 0001182688 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,040,215

F1 · price: This transaction was executed in multiple trades at prices ranging from $15.59 to $15.65. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001559432-24-000057 · wk-form4_1734566924.xml · nonDerivative · entry 2

KEVIL PHILLIP R · CIK 0001279296 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,984

SEC source: 0001559432-24-000057 · wk-form4_1734566924.xml · nonDerivative · entry 1

KEVIL PHILLIP R · CIK 0001279296 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,484

SEC source: 0001559432-24-000033 · wk-form4_1719614281.xml · nonDerivative · entry 1

SIMPSON BOB R · CIK 0001182684 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,500,000

SEC source: 0001559432-24-000034 · wk-form4_1719614389.xml · nonDerivative · entry 1

HUTTON KEITH A · CIK 0001182688 · Director · President of Prod and Develop · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000,215

SEC source: 0000310051-24-000011 · primary_doc.xml · nonDerivative · entry 1

King Luther Jr · CIK 0001290407 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,561,530

F1 · kind: Represents Common Units sold on behalf of a separately managed account for which Luther King Capital Management Corporation (LKCM) serves as investment adviser.

F2 · balance_after: Represents (i) 1,189,400 Common Units held by LKCM Investment Partnership, L.P. (LIP) and (ii) 1,372,130 Common Units held by LKCM Private Discipline Master Fund, SPC (PDP).

F3 · balance_after: LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. LKCM Private Discipline Management, L.P. (PDP GP) holds all of the management shares of PDP. LKCM is the investment adviser for each of LIP and PDP. Mr. King is the President and controlling shareholder of LKCM and a controlling member or manager of each of LIP GP and PDP GP. Mr. King expressly disclaims beneficial ownership of the Common Units reported herein, except to the extent of his pecuniary interest therein.

SEC source: 0000310051-24-000010 · primary_doc.xml · nonDerivative · entry 2

King Luther Jr · CIK 0001290407 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,571,530

F1 · kind: Represents Common Units sold on behalf of a separately managed account for which Luther King Capital Management Corporation (LKCM) serves as investment adviser.

F2 · ownership.nature: Represents (i) 1,189,400 Common Units held by LKCM Investment Partnership, L.P. (LIP), (ii) 1,372,130 Common Units held by LKCM Private Discipline Master Fund, SPC (PDP), and (iii) 10,000 shares held by a separately managed account for which LKCM serves as investment adviser.

F3 · ownership.nature: LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. LKCM Private Discipline Management, L.P. (PDP GP) holds all of the management shares of PDP. LKCM is the investment adviser to each of LIP and PDP. Mr. King is the President and controlling shareholder of LKCM and a controlling member or manager of each of LIP GP and PDP GP. Mr. King expressly disclaims beneficial ownership of the Common Units reported herein, except to the extent of his pecuniary interest therein.

SEC source: 0000310051-24-000010 · primary_doc.xml · nonDerivative · entry 1

King Luther Jr · CIK 0001290407 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,581,530

F1 · kind: Represents Common Units sold on behalf of a separately managed account for which Luther King Capital Management Corporation (LKCM) serves as investment adviser.

F2 · ownership.nature: Represents (i) 1,189,400 Common Units held by LKCM Investment Partnership, L.P. (LIP), (ii) 1,372,130 Common Units held by LKCM Private Discipline Master Fund, SPC (PDP), and (iii) 10,000 shares held by a separately managed account for which LKCM serves as investment adviser.

F3 · ownership.nature: LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. LKCM Private Discipline Management, L.P. (PDP GP) holds all of the management shares of PDP. LKCM is the investment adviser to each of LIP and PDP. Mr. King is the President and controlling shareholder of LKCM and a controlling member or manager of each of LIP GP and PDP GP. Mr. King expressly disclaims beneficial ownership of the Common Units reported herein, except to the extent of his pecuniary interest therein.

SEC source: 0000905148-24-001274 · form4.xml · nonDerivative · entry 6

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-DTOE, Inc.

Disclosed balance after: 1,089,868

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.78 to $18.205, inclusive.

F4 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001274 · form4.xml · nonDerivative · entry 5

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-PUE, LP

Disclosed balance after: 1,985,130

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.78 to $18.205, inclusive.

F4 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001274 · form4.xml · nonDerivative · entry 4

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-DTOE, Inc.

Disclosed balance after: 1,105,105

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.17 to $18.305, inclusive.

F4 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001274 · form4.xml · nonDerivative · entry 3

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-PUE, LP

Disclosed balance after: 2,011,871

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.17 to $18.305, inclusive.

F4 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001274 · form4.xml · nonDerivative · entry 2

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-DTOE, Inc.

Disclosed balance after: 1,112,219

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.23 to $18.43, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnotes 1 through 3 of this Form 4.

F4 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001274 · form4.xml · nonDerivative · entry 1

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-PUE, LP

Disclosed balance after: 2,025,843

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.23 to $18.43, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnotes 1 through 3 of this Form 4.

F4 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001256 · form4.xml · nonDerivative · entry 2

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-DTOE, Inc.

Disclosed balance after: 1,120,778

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.15 to $18.76, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0000905148-24-001256 · form4.xml · nonDerivative · entry 1

Global Endowment Management, LP · CIK 0001512237 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEF-PUE, LP

Disclosed balance after: 2,041,432

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.15 to $18.76, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Global Endowment Management, LP controls the investment decisions of each of GEF-DTOE, Inc. and GEF-PUE, LP, and Stephanie S. Lynch has management control over Global Endowment Management, LP and accordingly may be deemed to share beneficial ownership of the common units held by each of GEF-DTOE, Inc. and GEF-PUE, LP. Stephanie S. Lynch disclaims beneficial ownership of such common units except to the extent of her pecuniary interest therein, if any.

SEC source: 0001725631-24-000003 · wk-form4_1710258785.xml · nonDerivative · entry 1

Agosta Scott T. · CIK 0001725631 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,083

SEC source: 0001725625-24-000002 · wk-form4_1710258602.xml · nonDerivative · entry 1

Clum Brent W. · CIK 0001725625 · Director · Pres, Business Opers and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 365,069

SEC source: 0000950170-24-010652 · ownership.xml · nonDerivative · entry 1

Agosta Scott T. · CIK 0001725631 · See Remarks · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,462

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest in three substantially equal annual installments beginning on January 31, 2025.

F2 · balance_after: Reflects 58,462 shares of Common Units acquired in a transaction exempt from reporting pursuant to Rule 16a-13.

SEC source: 0000950170-24-010662 · ownership.xml · nonDerivative · entry 1

ADAMS WILLIAM H III · CIK 0001182695 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,784

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2025.

SEC source: 0000950170-24-010677 · ownership.xml · nonDerivative · entry 1

King J Luther Jr · CIK 0001182691 · Director · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 743,444

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2025.

SEC source: 0000950170-24-010703 · ownership.xml · nonDerivative · entry 1

KEVIL PHILLIP R · CIK 0001279296 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,484

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2025.

SEC source: 0000950170-24-010690 · ownership.xml · nonDerivative · entry 1

Clum Brent W. · CIK 0001725625 · Director · See Remarks · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 369,406

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest in three substantially equal annual installments beginning on January 31, 2025.

F2 · balance_after: Reflects 279,406 shares of Common Units acquired in a transaction exempt from reporting pursuant to Rule 16a-13.

SEC source: 0000950170-24-010666 · ownership.xml · nonDerivative · entry 1

Settle Rick Jacob · CIK 0001950307 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,216

F1 · shares: Reflects phantom units. Each phantom unit is the economic equivalent of one common unit of the Issuer and will be settled in common units upon vesting. The phantom units will vest on January 31, 2025.

F2 · balance_after: Reflects 11,716 shares of Common Units acquired in a transaction exempt from reporting pursuant to Rule 16a-13.

SEC source: 0000950170-23-065867 · ownership.xml · nonDerivative · entry 1

KEVIL PHILLIP R · CIK 0001279296 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 1,360

SEC source: 0000310051-23-000016 · primary_doc.xml · nonDerivative · entry 1

KING LUTHER CAPITAL MANAGEMENT CORP · CIK 0000310051 · 10% owner

LKCM Investment Partnership, L.P. · CIK 0001406371 · 10% owner

LKCM Private Discipline Master Fund, SPC · CIK 0001406372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,591,530

F1 · ownership.nature: Represents (i) 1,189,400 Common Units held by LKCM Investment Partnership, L.P. (LIP), (ii) 1,372,130 Common Units held by PDLP Morningstar, LLC (PDLP), and (iii) 30,000 Common Units held by a separately managed portfolio for which Luther King Capital Management Corporation (LKCM) serves as investment adviser. The Common Units held by LIP and PDLP were received on August 1, 2023 in a pro rata distribution from MorningStar Partners II, L.P. to all of its partners for no consideration.

F2 · ownership.nature: LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. LKCM Private Discipline Management, L.P. (PDP GP) is the sole holder of management shares of LKCM Private Discipline Master Fund, SPC (PDP), which holds all of the ownership interests of PDLP. LKCM serves as the investment adviser to each of LIP and PDP. J. Luther King, Jr. is the President and controlling shareholder of LKCM and a controlling member of each of LIP GP and PDP GP. Mr. King and LKCM expressly disclaim beneficial ownership of the Common Units reported herein except to the extent of their pecuniary interest therein.

SEC source: 0000950170-23-063957 · ownership.xml · nonDerivative · entry 1

SIMPSON BOB R · CIK 0001182684 · Director · See Remarks · 10% owner · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,400,000

F1 · balance_after: Includes 4,123,110 Common Units received on August 1, 2023, in a pro rata distribution from MorningStar Partners II, L.P. to all of its partners for no consideration.

SEC source: 0000950170-23-063960 · ownership.xml · nonDerivative · entry 1

HUTTON KEITH A · CIK 0001182688 · Director · See Remarks · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,122,215

F1 · balance_after: Includes 2,942,215 Common Units received on August 1, 2023, in a pro rata distribution from MorningStar Partners II, L.P. to all of its partners for no consideration.

SEC source: 0000950170-23-063959 · ownership.xml · nonDerivative · entry 1

ADAMS WILLIAM H III · CIK 0001182695 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,784

F1 · balance_after: Includes 54,284 Common Units received on August 1, 2023, in a pro rata distribution from MorningStar Partners II, L.P. to all of its partners for no consideration.

SEC source: 0000310051-23-000015 · primary_doc.xml · nonDerivative · entry 1

King Luther Jr · CIK 0001290407 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,591,530

F1 · ownership.nature: Represents (i) 1,189,400 Common Units held by LKCM Investment Partnership, L.P. (LIP), (ii) 1,372,130 Common Units held by PDLP Morningstar, LLC (PDLP), and (iii) 30,000 Common Units held by a separately managed portfolio for which Luther King Capital Management (LKCM) serves as investment adviser. The Common Units held by LIP and PDLP were received on August 1, 2023 in a pro rata distribution from MorningStar Partners II, L.P. to all of its partners for no consideration.

F2 · ownership.nature: LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. LKCM Private Discipline Management, L.P. (PDP GP) is the sole holder of management shares of LKCM Private Discipline Master Fund, SPC (PDP), which holds all of the ownership interests in PDLP. LKCM serves as the investment adviser to each of LIP and PDP. Mr. King is the President and controlling shareholder of LKCM and a controlling member and/or partner of each of LIP GP and PDP GP. Mr. King expressly disclaims beneficial ownership of the Common Units reported herein except to the extent of his pecuniary interest therein.

SEC source: 0000950170-23-063958 · ownership.xml · nonDerivative · entry 1

KEVIL PHILLIP R · CIK 0001279296 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,984

F1 · balance_after: Includes 9,584 Common Units received on August 1, 2023, in a pro rata distribution from MorningStar Partners II, L.P. to all of its partners for no consideration.