DE ROTHSCHILD ROBERT

SEC source: 0000912282-26-000657 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 187,483

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $229.00 to $235.23, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-26-000277 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 200,757

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $186.20 to $187.01, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-26-000214 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 201,906

F2 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $181.00 to 184.06, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F3 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-26-000214 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 211,906

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $183.015 to $187.21, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F3 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-26-000059 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 222,057

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $178.945 to $185.75 inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000609 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 230,757

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000609 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 232,524

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $186.00 to $189.45 inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000208 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 236,913

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.13 to $197.21, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

SEC source: 0000912282-25-000206 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 236,913

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $192.13 to $197.21 inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

SEC source: 0000912282-25-000190 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 237,930

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $200.00 to $207.19, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

SEC source: 0000912282-25-000146 · form4.xml · nonDerivative · entry 3

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 241,834

F4 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $194.08 to $199.85, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000146 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 243,804

F3 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $193.78 to $205.15 inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000146 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 248,191

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $201.56 to $205.92, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000130 · form4.xml · nonDerivative · entry 3

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 249,528

F3 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $197.15 to $205.00, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

SEC source: 0000912282-25-000130 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 251,143

F2 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $201.95 to $207.46, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

SEC source: 0000912282-25-000130 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,497

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $215.00 to $216.205, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

SEC source: 0000912282-25-000125 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 253,000

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000125 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 253,471

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $217.00 to $225.00, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000050 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 256,768

F3 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $213.00 to $215.3550, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000050 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 258,599

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $213.00 to $213.79, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000048 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See foonote

Disclosed balance after: 259,011

F1 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $213.00 to $218.252, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000034 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 261,322

F3 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $205.00 to $206.00, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-25-000034 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 263,322

F2 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $204.30 to $208.41, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000660 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See foonote

Disclosed balance after: 266,768

F2 · price: The sale price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $131.7933 to $134.78, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000660 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See foonote

Disclosed balance after: 269,484

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000636 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 272,460

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000632 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnoe

Disclosed balance after: 273,830

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000632 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 273,930

F1 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.00 to $132.15, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000585 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 274,834

F3 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.00 to $131.20, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000585 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 275,060

F1 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.00 to $131.60, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000470 · form4.xml · nonDerivative · entry 5

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 276,768

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000470 · form4.xml · nonDerivative · entry 4

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 277,268

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000470 · form4.xml · nonDerivative · entry 3

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 277,289

F2 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.50 to $111.11, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corp., any security holder of PrimeEnergy Resources Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000470 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 277,468

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000470 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 277,968

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000247 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 295,518

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-24-000327 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

SEC source: 0000912282-24-000327 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 295,768

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000527 · form4.xml · nonDerivative · entry 3

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 313,518

SEC source: 0000912282-23-000527 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 315,540

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000527 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 315,641

F1 · ownership.nature: Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000455 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 317,518

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000455 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 317,522

F1 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $108.505, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000451 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 318,962

F1 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001140361-23-050337 · form4.xml · nonDerivative · entry 3

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 320,367

F4 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $107.31, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation., 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001140361-23-050337 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 321,614

F3 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $108.22, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation., 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001140361-23-050337 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 322,068

F1 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $109.39, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation., 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000441 · form4.xml · nonDerivative · entry 3

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 322,346

F4 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to $108.90, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation., 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000441 · form4.xml · nonDerivative · entry 2

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 322,823

F3 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.3323 to $108.70, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation., 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000912282-23-000441 · form4.xml · nonDerivative · entry 1

DE ROTHSCHILD ROBERT · CIK 0001015878 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 323,984

F1 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to $110.5313, inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation., 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 this footnote.

F2 · ownership.nature: Shares are held of record by Amrace Inc. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.