AMTM

SEC source: 0000950157-24-001377 · form4.xml · derivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · Executive Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,396

Underlying: Common Stock · 43,396 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F2 · derivative.exercise_date: This award will vest in full on November 17, 2025, subject to the reporting person's continued service through such date.

F2 · derivative.expiration_date: This award will vest in full on November 17, 2025, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 9

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,395

Underlying: Common Stock · 10,395 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F8 · derivative.exercise_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 15, 2026, subject to the reporting person's continued service through such date.

F8 · derivative.expiration_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 15, 2026, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 8

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,984

Underlying: Common Stock · 10,984 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F8 · derivative.exercise_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 15, 2026, subject to the reporting person's continued service through such date.

F8 · derivative.expiration_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 15, 2026, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 7

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,596

Underlying: Common Stock · 4,596 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F7 · derivative.exercise_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 16, 2025, subject to the reporting person's continued service through such date.

F7 · derivative.expiration_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 16, 2025, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 6

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,681

Underlying: Common Stock · 3,681 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F7 · derivative.exercise_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 16, 2025, subject to the reporting person's continued service through such date.

F7 · derivative.expiration_date: This award was originally granted by Jacobs subject to a performance condition, which was deemed satisfied based on actual performance prior to the conversion, and as a result is now solely subject to time-vesting conditions. This award will vest in full on November 16, 2025, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 5

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,273

Underlying: Common Stock · 17,273 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F6 · derivative.exercise_date: This award will vest in three equal installments on November 15, 2025, November 15, 2026 and November 15, 2027, subject to the reporting person's continued service through such date.

F6 · derivative.expiration_date: This award will vest in three equal installments on November 15, 2025, November 15, 2026 and November 15, 2027, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 4

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,106

Underlying: Common Stock · 10,106 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F5 · derivative.exercise_date: This award will vest in two equal installments on November 16, 2025 and November 16, 2026, subject to the reporting person's continued service through the applicable date.

F5 · derivative.expiration_date: This award will vest in two equal installments on November 16, 2025 and November 16, 2026, subject to the reporting person's continued service through the applicable date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 3

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,038

Underlying: Common Stock · 4,038 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F4 · derivative.exercise_date: This award will vest with respect to 1,230 RSUs on March 2, 2025 and 2,808 RSUs on March 2, 2026, subject to the reporting person's continued service through the applicable date.

F4 · derivative.expiration_date: This award will vest with respect to 1,230 RSUs on March 2, 2025 and 2,808 RSUs on March 2, 2026, subject to the reporting person's continued service through the applicable date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 2

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,178

Underlying: Common Stock · 1,178 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F3 · derivative.exercise_date: This award will vest in full on November 17, 2025, subject to the reporting person's continued service through such date.

F3 · derivative.expiration_date: This award will vest in full on November 17, 2025, subject to the reporting person's continued service through such date.

SEC source: 0000950157-24-001376 · form4.xml · derivative · entry 1

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 521

Underlying: Common Stock · 521 shares

Expires not disclosed

F1 · security: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F1 · derivative.exercise_price: These restricted stock units ("RSUs") were originally granted by Jacobs Solutions Inc. ("Jacobs") and, pursuant to the terms of the Employee Matters Agreement, dated as of November 20, 2023, by and among Jacobs, the Issuer and Amentum Parent Holdings LLC, as amended from time to time, were converted into RSUs with respect to Issuer common stock with adjustments made to the number of shares subject to the award in order to preserve the award's value. The conversion ratio was determined based on the closing price per share of Jacobs common stock on September 27, 2024 divided by the average of the volume-weighted average prices of the Issuer's common stock on the New York Stock Exchange for the period beginning on September 30, 2024 and ending on October 2, 2024.

F2 · derivative.exercise_date: This award will vest in full on March 4, 2025, subject to the reporting person's continued service through such date.

F2 · derivative.expiration_date: This award will vest in full on March 4, 2025, subject to the reporting person's continued service through such date.

SEC source: 0000950170-24-109438 · ownership.xml · nonDerivative · entry 1

JACOBS SOLUTIONS INC. · CIK 0000052988 · 10% owner

JACOBS ENGINEERING GROUP INC /DE/ · CIK 0001963960 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 29,196,261

F1 · kind: On September 18, 2024, Jacobs Solutions Inc. ("Jacobs") reported that it owned, indirectly through Jacobs Engineering Group Inc. ("JEG"), 100 shares of common stock of Amazon Holdco Inc. ("SpinCo"), which at the time was all of the issued and outstanding shares of common stock of SpinCo, par value $0.01 per share (the "SpinCo Common Stock"). Pursuant to a Separation and Distribution Agreement by and among Jacobs, SpinCo, Amentum Parent Holdings LLC and Amentum Joint Venture LP (the "Separation & Distribution Agreement"), the Jacobs Board of Directors has declared a pro rata distribution to its stockholders who hold shares of Jacobs common stock as of the close of business on September 23, 2024 (the "Record Date"), of approximately 81% of the outstanding SpinCo Common Stock (the "Distribution"). Prior to the Distribution, which is expected to occur at 4:05 p.m. Eastern time on September 27, 2024,

F2 · kind: (Continued from footnote 1) SpinCo is expected to effect a stock split (the "Stock Split") of all of the issued and outstanding shares of SpinCo Common Stock, with the Stock Split resulting in 153,280,369 shares of SpinCo Common Stock issued and outstanding, all of which will be owned directly by JEG and indirectly by Jacobs.

F3 · kind: Subject to the conditions set forth in the Separation & Distribution Agreement, Jacobs will distribute 124,084,108 shares of SpinCo Common Stock in the Distribution to shareholders who held shares of Jacobs common stock as of the close of business on the Record Date. Jacobs will retain, indirectly through JEG, the remaining 29,196,261 shares of SpinCo Common Stock at the time of the Distribution.

F1 · shares: On September 18, 2024, Jacobs Solutions Inc. ("Jacobs") reported that it owned, indirectly through Jacobs Engineering Group Inc. ("JEG"), 100 shares of common stock of Amazon Holdco Inc. ("SpinCo"), which at the time was all of the issued and outstanding shares of common stock of SpinCo, par value $0.01 per share (the "SpinCo Common Stock"). Pursuant to a Separation and Distribution Agreement by and among Jacobs, SpinCo, Amentum Parent Holdings LLC and Amentum Joint Venture LP (the "Separation & Distribution Agreement"), the Jacobs Board of Directors has declared a pro rata distribution to its stockholders who hold shares of Jacobs common stock as of the close of business on September 23, 2024 (the "Record Date"), of approximately 81% of the outstanding SpinCo Common Stock (the "Distribution"). Prior to the Distribution, which is expected to occur at 4:05 p.m. Eastern time on September 27, 2024,

F2 · shares: (Continued from footnote 1) SpinCo is expected to effect a stock split (the "Stock Split") of all of the issued and outstanding shares of SpinCo Common Stock, with the Stock Split resulting in 153,280,369 shares of SpinCo Common Stock issued and outstanding, all of which will be owned directly by JEG and indirectly by Jacobs.

F3 · shares: Subject to the conditions set forth in the Separation & Distribution Agreement, Jacobs will distribute 124,084,108 shares of SpinCo Common Stock in the Distribution to shareholders who held shares of Jacobs common stock as of the close of business on the Record Date. Jacobs will retain, indirectly through JEG, the remaining 29,196,261 shares of SpinCo Common Stock at the time of the Distribution.

F1 · balance_after: On September 18, 2024, Jacobs Solutions Inc. ("Jacobs") reported that it owned, indirectly through Jacobs Engineering Group Inc. ("JEG"), 100 shares of common stock of Amazon Holdco Inc. ("SpinCo"), which at the time was all of the issued and outstanding shares of common stock of SpinCo, par value $0.01 per share (the "SpinCo Common Stock"). Pursuant to a Separation and Distribution Agreement by and among Jacobs, SpinCo, Amentum Parent Holdings LLC and Amentum Joint Venture LP (the "Separation & Distribution Agreement"), the Jacobs Board of Directors has declared a pro rata distribution to its stockholders who hold shares of Jacobs common stock as of the close of business on September 23, 2024 (the "Record Date"), of approximately 81% of the outstanding SpinCo Common Stock (the "Distribution"). Prior to the Distribution, which is expected to occur at 4:05 p.m. Eastern time on September 27, 2024,

F2 · balance_after: (Continued from footnote 1) SpinCo is expected to effect a stock split (the "Stock Split") of all of the issued and outstanding shares of SpinCo Common Stock, with the Stock Split resulting in 153,280,369 shares of SpinCo Common Stock issued and outstanding, all of which will be owned directly by JEG and indirectly by Jacobs.

F3 · balance_after: Subject to the conditions set forth in the Separation & Distribution Agreement, Jacobs will distribute 124,084,108 shares of SpinCo Common Stock in the Distribution to shareholders who held shares of Jacobs common stock as of the close of business on the Record Date. Jacobs will retain, indirectly through JEG, the remaining 29,196,261 shares of SpinCo Common Stock at the time of the Distribution.

F4 · ownership.nature: The shares of SpinCo Common Stock retained by Jacobs are owned directly by JEG. Jacobs is an indirect beneficial owner of the retained securities.

SEC source: 0002011286-25-000062 · wk-form4_1739575076.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · Executive Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 520,893

F1 · kind: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

F1 · price: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

SEC source: 0002011286-25-000070 · wk-form4_1741210513.xml · nonDerivative · entry 1

Arnette Stephen A · CIK 0001919492 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,786

F1 · kind: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

F1 · price: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

SEC source: 0002011286-25-000089 · wk-form4_1741383523.xml · nonDerivative · entry 1

Brooks Vincent K · CIK 0001809046 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,966

F1 · kind: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

F1 · price: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

SEC source: 0002011286-25-000087 · wk-form4_1741383503.xml · nonDerivative · entry 1

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,439

F1 · kind: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.

F1 · price: Represents securities received in a pro-rata distribution in-kind by Jacobs Solutions Inc. for no consideration.