PPTA

SEC source: 0001104659-26-001876 · tm262506-3_4seq1.xml · nonDerivative · entry 3

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,319

F2 · price: The sale price of the stock option of CAD $36.18 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.18 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.05 to CAD $36.31, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the range set forth in this footnote (2). These shares represent shares sold to cover option exercise price.

SEC source: 0001104659-26-001876 · tm262506-3_4seq1.xml · nonDerivative · entry 2

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,500

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001876 · tm262506-3_4seq1.xml · nonDerivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001877 · tm262506-4_4seq1.xml · derivative · entry 6

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 9,500 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

F5 · derivative.exercise_date: The stock option, representing a right to purchase a total of 9,500 Common Shares, became exercisable as to 2,375 Common Shares on January 20, 2021, as to 2,375 Common Shares on January 20, 2022, as to 2,375 Common Shares on January 20, 2023, and as to the remaining 2,375 on January 20, 2024.

SEC source: 0001104659-26-001877 · tm262506-4_4seq1.xml · derivative · entry 5

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 20,000 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

F4 · derivative.exercise_date: The stock option, representing a right to purchase a total of 20,000 Common Shares, became exercisable as to 5,000 Common Shares on January 20, 2021, as to 5,000 Common Shares on January 20, 2022, as to 5,000 Common Shares on January 20, 2023, and as to the remaining 5,000 on January 20, 2024.

SEC source: 0001104659-26-001877 · tm262506-4_4seq1.xml · nonDerivative · entry 3

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,299

F2 · price: The sale price of the stock option of CAD $36.05 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. These shares represent shares sold to cover option exercise price.

SEC source: 0001104659-26-001877 · tm262506-4_4seq1.xml · nonDerivative · entry 2

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,500

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001877 · tm262506-4_4seq1.xml · nonDerivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,000

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001878 · tm262506-5_4seq1.xml · derivative · entry 6

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 9,500 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

F5 · derivative.exercise_date: The stock option, representing a right to purchase a total of 9,500 Common Shares, became exercisable as to 2,375 Common Shares on January 20, 2021, as to 2,375 Common Shares on January 20, 2022, as to 2,375 Common Shares on January 20, 2023, and as to the remaining 2,375 on January 20, 2024.

SEC source: 0001104659-26-001878 · tm262506-5_4seq1.xml · derivative · entry 5

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 20,000 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

F4 · derivative.exercise_date: The stock option, representing a right to purchase a total of 20,000 Common Shares, became exercisable as to 5,000 Common Shares on January 20, 2021, as to 5,000 Common Shares on January 20, 2022, as to 5,000 Common Shares on January 20, 2023, and as to the remaining 5,000 on January 20, 2024.

SEC source: 0001104659-26-001878 · tm262506-5_4seq1.xml · nonDerivative · entry 3

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,352

F2 · price: The sale price of the stock option of CAD $36.40 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.40 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.36 to CAD $36.56, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the range set forth in this footnote (2). These shares represent shares sold to cover option exercise price.

SEC source: 0001104659-26-001878 · tm262506-5_4seq1.xml · nonDerivative · entry 2

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,500

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001878 · tm262506-5_4seq1.xml · nonDerivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001875 · tm262506-2_4seq1.xml · derivative · entry 3

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 40,000 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

F3 · derivative.exercise_date: The stock option, representing a right to purchase a total of 40,000 Common Shares, became exercisable as to 10,000 Common Shares on January 20, 2021, as to 10,000 Common Shares on January 20, 2022, as to 10,000 Common Shares on January 20, 2023, and as to the remaining 10,000 on January 20, 2024.

SEC source: 0001104659-26-001875 · tm262506-2_4seq1.xml · nonDerivative · entry 2

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,664

F2 · price: The sale price of the stock option of CAD $36.56 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.56 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.38 to CAD $36.65, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the range set forth in this footnote (2). These shares include shares sold to cover option exercise price.

SEC source: 0001104659-26-001875 · tm262506-2_4seq1.xml · nonDerivative · entry 1

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,154

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-26-001874 · tm262506-1_4seq1.xml · derivative · entry 4

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 9,500 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

F4 · derivative.exercise_date: The stock option, representing a right to purchase a total of 9,500 Common Shares, became exercisable as to 2,375 Common Shares on January 20, 2021, as to 2,375 Common Shares on January 20, 2022, as to 2,375 Common Shares on January 20, 2023, and as to the remaining 2,375 on January 20, 2024.

SEC source: 0001104659-26-001874 · tm262506-1_4seq1.xml · nonDerivative · entry 2

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,702

F2 · price: The sale price of the stock option of CAD $36.11 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.11 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.10 to CAD $36.13, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the range set forth in this footnote (2). These shares represent shares sold to cover option exercise price.

SEC source: 0001104659-26-001874 · tm262506-1_4seq1.xml · nonDerivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,010

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

SEC source: 0001104659-25-124946 · tm2534467-1_4seq1.xml · nonDerivative · entry 3

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,510

F3 · price: The sale price of the stock option of CAD $36.25 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on December 19, 2025, of C$1.3780 = US$1.00. The sale price of CAD $36.25is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.25 to CAD $36.26, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the range set forth in this footnote (3). These shares represent shares sold to cover payment of taxes relating to the option exercise.

SEC source: 0001104659-25-124338 · tm2534270-2_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,508

Underlying: Common Shares · 378 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-124341 · tm2534270-5_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,275

Underlying: Common Shares · 378 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-124342 · tm2534270-6_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,587

Underlying: Common Shares · 378 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-124340 · tm2534270-4_4seq1.xml · derivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,579

Underlying: Common Shares · 660 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-124339 · tm2534270-3_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,185

Underlying: Common Shares · 378 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-124337 · tm2534270-1_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,464

Underlying: Common Shares · 475 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on December 22, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the fourth quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-124946 · tm2534467-1_4seq1.xml · derivative · entry 4

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 20,000 shares

Expires 2026-01-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on December 19, 2025, of C$1.3780 = US$1.00.

F4 · derivative.exercise_date: The stock option, representing a right to purchase a total of 20,000 Common Shares, became exercisable as to 5,000 Common Shares on January 20, 2021, as to 5,000 Common Shares on January 20, 2022, as to 5,000 Common Shares on January 20, 2023, and as to the remaining 5,000 on January 20, 2024.

SEC source: 0001104659-25-124946 · tm2534467-1_4seq1.xml · nonDerivative · entry 2

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,510

F2 · price: The sale price of the stock option of CAD $37.97 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on December 19, 2025, of C$1.3780 = US$1.00. The sale price of CAD $37.97 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $37.18 to CAD $38.27, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the range set forth in this footnote (2). These shares represent shares sold to cover option exercise price.

SEC source: 0001104659-25-124946 · tm2534467-1_4seq1.xml · nonDerivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

F1 · price: The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on December 19, 2025, of C$1.3780 = US$1.00.

SEC source: 0001104659-25-119787 · tm2533141-2_4seq1.xml · derivative · entry 1

Kahl Timothy Charles · CIK 0002091031 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,787

Underlying: Common Shares · 5,787 shares

Expires not disclosed

F1 · derivative.exercise_price: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU, as elected by the reporting person subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan.

F2 · derivative.exercise_date: On December 5, 2025, the reporting person was granted 5,787 RSUs, which vest in three equal installments as follows: 1,929 on December 5, 2026, 1,929 on December 5, 2027, and 1,929 on December 5, 2028, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F2 · derivative.expiration_date: On December 5, 2025, the reporting person was granted 5,787 RSUs, which vest in three equal installments as follows: 1,929 on December 5, 2026, 1,929 on December 5, 2027, and 1,929 on December 5, 2028, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-097206 · tm2528118-3_4seq1.xml · nonDerivative · entry 2

Cherry Jonathan · CIK 0002014773 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,249

F1 · kind: The sale price included on this Form 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.63 to $23.87, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the ranges set forth in this footnote (1).

F2 · price: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the settlement of Performance Share Units, which vested on October 6, 2025, when certification of the applicable performance measures occurred, and were settled in Common Shares of the Issuer following such certification.

SEC source: 0001104659-25-097206 · tm2528118-3_4seq1.xml · nonDerivative · entry 1

Cherry Jonathan · CIK 0002014773 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,160

SEC source: 0001104659-25-097204 · tm2528118-2_4seq1.xml · derivative · entry 3

Murchison Mark E · CIK 0002089444 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,000

Underlying: Common Shares · 4,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU, as elected by the reporting person subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan.

F2 · derivative.exercise_date: On October 6, 2025, the reporting person was granted 12,000 RSUs, which vest in three equal installments as follows: 4,000 on October 6, 2025, 4,000 on October 1, 2026, and 4,000 on October 1, 2027, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan..

F2 · derivative.expiration_date: On October 6, 2025, the reporting person was granted 12,000 RSUs, which vest in three equal installments as follows: 4,000 on October 6, 2025, 4,000 on October 1, 2026, and 4,000 on October 1, 2027, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan..

SEC source: 0001104659-25-097204 · tm2528118-2_4seq1.xml · derivative · entry 2

Murchison Mark E · CIK 0002089444 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,000

Underlying: Common Shares · 12,000 shares

Expires not disclosed

F1 · derivative.exercise_price: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU, as elected by the reporting person subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan.

F2 · derivative.exercise_date: On October 6, 2025, the reporting person was granted 12,000 RSUs, which vest in three equal installments as follows: 4,000 on October 6, 2025, 4,000 on October 1, 2026, and 4,000 on October 1, 2027, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan..

F2 · derivative.expiration_date: On October 6, 2025, the reporting person was granted 12,000 RSUs, which vest in three equal installments as follows: 4,000 on October 6, 2025, 4,000 on October 1, 2026, and 4,000 on October 1, 2027, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan..

SEC source: 0001104659-25-097204 · tm2528118-2_4seq1.xml · nonDerivative · entry 1

Murchison Mark E · CIK 0002089444 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU, as elected by the reporting person subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-093974 · tm2527054-1_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,130

Underlying: Common Shares · 368 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on September 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-093978 · tm2527054-4_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,897

Underlying: Common Shares · 368 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on September 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-093981 · tm2527054-6_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,209

Underlying: Common Shares · 368 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on September 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-093980 · tm2527054-5_4seq1.xml · derivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,919

Underlying: Common Shares · 559 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on September 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-093977 · tm2527054d3_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,807

Underlying: Common Shares · 368 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on September 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-093976 · tm2527054-2_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,989

Underlying: Common Shares · 483 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on September 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the third quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-087185 · tm2525206-1_4seq1.xml · nonDerivative · entry 2

Wright Michael Stephen · CIK 0001990350 · (See remarks (2))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,195

F1 · price: The sale price included on this Form 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.29 to $18.32, inclusive. The reporting person undertakes to provide 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 Common Shares sold at each separate price within the ranges set forth in this footnote (1).

SEC source: 0001104659-25-087185 · tm2525206-1_4seq1.xml · nonDerivative · entry 1

Wright Michael Stephen · CIK 0001990350 · (See remarks (2))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,195

SEC source: 0001104659-25-063138 · tm2519239-6_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,762

Underlying: Common Shares · 531 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on June 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-063133 · tm2519239-4_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,529

Underlying: Common Shares · 531 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on June 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-063136 · tm2519239-5_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,439

Underlying: Common Shares · 531 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on June 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-063131 · tm2519239-3_4seq1.xml · derivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,360

Underlying: Common Shares · 806 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on June 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-063128 · tm2519239-2_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,506

Underlying: Common Shares · 696 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on June 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-063126 · tm2519239-1_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,841

Underlying: Common Shares · 531 shares

Expires not disclosed

F1 · derivative.exercise_price: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on June 24, 2025.

F1 · derivative.exercise_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · derivative.expiration_date: A deferred share unit ("DSU") entitles the holder to receive one common share of Perpetua Resources Corp. (the "Issuer") (or, at the election of the holder and subject to the approval of the administrator of the Issuer's Omnibus Equity Incentive Plan, cash equal to the value thereof on the date of settlement) for each DSU. The Reporting Person elected to receive DSUs in lieu of a cash retainer for his service during the second quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001013594-25-000751 · form4.xml · nonDerivative · entry 1

PAULSON & CO. INC. · CIK 0001035674 · Member of 10% Owner Group

10b5-1 filing: No plan indicated

Ownership: Indirect · By Managed Funds

Disclosed balance after: 32,347,299

F1 · ownership.direct: Paulson & Co. Inc. ("Paulson") is the investment manager of investment funds (the "Funds"). John Paulson is the controlling person of Paulson. All securities reported on this Form 4 are owned by the Funds.

F2 · ownership.direct: Each of Paulson and John Paulson may be deemed to indirectly beneficially own the securities directly owned by the Funds. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Act"), the filing of this Form 4 shall not be deemed an admission by any person reporting on this Form 4 that such person, for purposes of Section 16 of the Act or otherwise, is the beneficial owner of any equity securities covered by this Form 4.