Amentum Holdings, Inc. 2025-2026 Proxy Voting Records

Description as filed by funds: Election of Directors: Steven J. Demetriou

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Steven J. Demetriou”): 216,313,497 for, 4,429,862 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 98% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,536,634 for, 32,749 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: John Heller

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: John Heller”): 220,529,787 for, 203,196 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.9% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,383 for, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Benjamin Dickson

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Benjamin Dickson”): 219,850,419 for, 878,330 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.6% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,382 for, 1 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Vincent K. Brooks

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Vincent K. Brooks”): 218,581,468 for, 1,603,151 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.2% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,460,113 for, 109,269 against, 15,731 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Ralph E. Eberhart

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Ralph E. Eberhart”): 219,946,566 for, 777,869 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.6% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,382 for, 1 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Alan E. Goldberg

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Alan E. Goldberg”): 220,522,831 for, 205,744 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.9% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,383 for, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: S. Leslie Ireland

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: S. Leslie Ireland”): 219,976,434 for, 758,788 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.6% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,382 for, 1 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Barbara L. Loughran

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Barbara L. Loughran”): 199,318,344 for, 21,071,794 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 90% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 62,095,592 for, 5,193,413 against, 296,108 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Sandra E. Rowland

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Sandra E. Rowland”): 219,952,896 for, 783,493 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.6% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,382 for, 1 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Christopher M.T. Thompson

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Christopher M.T. Thompson”): 220,520,519 for, 214,594 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.9% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,383 for, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Russell Triedman

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Russell Triedman”): 218,451,989 for, 2,278,611 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,460,112 for, 109,270 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: John Vollmer

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: John Vollmer”): 220,541,726 for, 194,808 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99.9% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,569,383 for, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Election of Directors: Connor Wentzell

Amentum Holdings, Inc.’s own tally for this item (“Elect Director: Connor Wentzell”): 218,457,519 for, 2,281,213 against, per its Form 8-K filed February 10, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The individuals listed below were elected at the Annual Meeting to serve as directors of the Company until the next annual meeting of shareholders and until their respective successors are elected:”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 90 asset managers below reported 67,460,112 for, 109,270 against, 15,730 abstained, 116 not voted.

Showing the 25 largest of 90 asset managers. See all 90 in the interactive database.

Description as filed by funds: Advisory vote to approve the Company's named executive officer compensation.

Amentum Holdings, Inc.’s own tally for this item (“3. The compensation of the Company's named executive officers for fiscal 2025”): 214,017,720 for, 5,778,604 against — passed, per its Form 8-K filed February 10, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “The stockholders approved, on an advisory basis, the compensation of the Company's named executive officers for fiscal 2025.”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Also reported under other wordings, matched to the same row of Amentum Holdings, Inc.’s official tally and shown with their own fund figures; their managers are not in the figures or the table on this card: “Say on Pay” (2 managers, 1,310 for).

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports, all 89 managers: 65,415,907 for, 2,165,960 against, 15,732 abstained, 116 not voted. Showing the 25 largest; see all in the interactive database.

Institutional-manager reports, all 508 managers: 78,924,083 for, 3,214,357 against, 764,538 withheld, 46,629 abstained, 77,476 not voted. Showing the 25 largest; see all in the interactive database.

Description as filed by funds: The ratification of the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the Company's fiscal year 2026.

Amentum Holdings, Inc.’s own tally for this item (“2. A management proposal to ratify the appointment of Ernst & Young LLP as Amentum's independent registered public accounting firm for fiscal year 2026”): 232,680,957 for, 188,696 against — passed, per its Form 8-K filed February 10, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “A management proposal to ratify the appointment of Ernst & Young LLP as Amentum's independent registered public accounting firm for fiscal year 2026 was approved.”
Support: 99.9% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 91 asset managers below reported 67,582,373 for, 15,730 abstained, 116 not voted.

Showing the 25 largest of 91 asset managers. See all 91 in the interactive database.