PPTA

SEC source: 0001104659-25-039611 · tm2513248-1_4seq1.xml · nonDerivative · entry 1

Wright Michael Stephen · CIK 0001990350 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,195

F1 · kind: 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 Restricted Share Units, which vested on February 16, 2025, and were settled in Common Shares of the Issuer.

F2 · 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 $13.75 to $13.94, 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 (2).

SEC source: 0001104659-25-030779 · tm2511135-6_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,231

Underlying: Common Shares · 650 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 first 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.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 first 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 first 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: 0001104659-25-030775 · tm2511135-4_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,998

Underlying: Common Shares · 650 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 first 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.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 first 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 first 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: 0001104659-25-030778 · tm2511135-5_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,908

Underlying: Common Shares · 650 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 first 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.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 first 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 first 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: 0001104659-25-030772 · tm2511135-3_4seq1.xml · derivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,554

Underlying: Common Shares · 986 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 first 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.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 first 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 first 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: 0001104659-25-030771 · tm2511135-2_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,810

Underlying: Common Shares · 852 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 first 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.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 first 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 first 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: 0001104659-25-030770 · tm2511135-1_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,310

Underlying: Common Shares · 650 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 first quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled the calendar year following the year in which the reporting person's separation from service occurs.

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 first quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled the calendar year following the year in which the reporting person's separation from service occurs.

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 first quarter of 2025. The DSUs are fully vested as of the date of grant and will be settled the calendar year following the year in which the reporting person's separation from service occurs.

SEC source: 0001104659-25-030781 · tm2511135-7_4seq1.xml · derivative · entry 3

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (5))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 20,000 shares

Expires 2025-03-20

F1 · derivative.exercise_price: The exercise price of the stock option of CAD $3.50 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 March 28, 2025, of C$1.4282 = US$1.00.

F3 · 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 March 20, 2020, exercisable as to 5,000 Common Shares on March 20, 2021, exercisable as to 5,000 Common Shares on March 20, 2022, and exercisable as to the remaining 5,000 Common Shares on March 20, 2023.

F4 · derivative.expiration_date: The expiration date was extended through termination of blackout period pursuant to terms of the Issuer's 2011 Evergreen Incentive Stock Option Plan.

SEC source: 0001104659-25-030781 · tm2511135-7_4seq1.xml · nonDerivative · entry 2

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (5))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,154

F2 · price: The sale price of the stock option of CAD $15.71 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 March 28, 2025, of C$1.4282 = US$1.00. The sale price of CAD $15.71 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $15.66 to CAD $15.82, 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).

SEC source: 0001104659-25-030781 · tm2511135-7_4seq1.xml · nonDerivative · entry 1

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (5))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,154

F1 · price: The exercise price of the stock option of CAD $3.50 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 March 28, 2025, of C$1.4282 = US$1.00.

SEC source: 0001104659-25-021846 · tm258633-3_4seq1.xml · derivative · entry 5

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,430

Underlying: Common Shares · 10,612 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. The RSUs that vested on March 5, 2025 were settled in Common Shares of the Issuer.

F5 · derivative.exercise_date: On March 5, 2022, the reporting person was granted 36,863 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F5 · derivative.expiration_date: On March 5, 2022, the reporting person was granted 36,863 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-021846 · tm258633-3_4seq1.xml · nonDerivative · entry 4

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,154

F4 · kind: 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 March 5, 2025, when certification of the applicable performance measures occurred, and were settled in Common Shares of the Issuer following such certification.

F3 · 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 $8.76 to $9.00, 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 (3).

SEC source: 0001104659-25-021846 · tm258633-3_4seq1.xml · nonDerivative · entry 3

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,619

F2 · kind: 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 Restricted Share Units, which vested on March 5, 2025, and were settled in Common Shares of the Issuer.

F3 · 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 $8.76 to $9.00, 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 (3).

SEC source: 0001104659-25-021846 · tm258633-3_4seq1.xml · nonDerivative · entry 2

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,864

SEC source: 0001104659-25-021846 · tm258633-3_4seq1.xml · nonDerivative · entry 1

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,192

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. The RSUs that vested on March 5, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-021845 · tm258633-2_4seq1.xml · derivative · entry 5

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,855

Underlying: Common Shares · 12,288 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. The RSUs that vested on March 5, 2025 were settled in Common Shares of the Issuer.

F5 · derivative.exercise_date: On March 5, 2022, the reporting person was granted 36,863 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F5 · derivative.expiration_date: On March 5, 2022, the reporting person was granted 36,863 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-021845 · tm258633-2_4seq1.xml · nonDerivative · entry 4

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,544

F4 · kind: 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 March 5, 2025, when certification of the applicable performance measures occurred, and were settled in Common Shares of the Issuer following such certification.

F3 · 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 $8.76 to $9.00, 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 (3).

SEC source: 0001104659-25-021845 · tm258633-2_4seq1.xml · nonDerivative · entry 3

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 204,111

F2 · kind: 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 Restricted Share Units, which vested on March 5, 2025, and were settled in Common Shares of the Issuer.

F3 · 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 $8.76 to $9.00, 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 (3).

SEC source: 0001104659-25-021845 · tm258633-2_4seq1.xml · nonDerivative · entry 2

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 207,706

SEC source: 0001104659-25-021845 · tm258633-2_4seq1.xml · nonDerivative · entry 1

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133,980

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. The RSUs that vested on March 5, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-021843 · tm258633-1_4seq1.xml · derivative · entry 5

Haslam Alan Douglas · CIK 0001902353 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,500

Underlying: Common Shares · 10,752 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. The RSUs that vested on March 5, 2025 were settled in Common Shares of the Issuer.

F5 · derivative.exercise_date: On March 5, 2022, the reporting person was granted 36,863 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F5 · derivative.expiration_date: On March 5, 2022, the reporting person was granted 36,863 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-021843 · tm258633-1_4seq1.xml · nonDerivative · entry 4

Haslam Alan Douglas · CIK 0001902353 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,017

F4 · kind: 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 March 5, 2025, when certification of the applicable performance measures occurred, and were settled in Common Shares of the Issuer following such certification.

F3 · 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 $8.76 to $9.00, 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 (3).

SEC source: 0001104659-25-021843 · tm258633-1_4seq1.xml · nonDerivative · entry 3

Haslam Alan Douglas · CIK 0001902353 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,738

F2 · kind: 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 Restricted Share Units, which vested on March 5, 2025, and were settled in Common Shares of the Issuer.

F3 · 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 $8.76 to $9.00, 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 (3).

SEC source: 0001104659-25-021843 · tm258633-1_4seq1.xml · nonDerivative · entry 2

Haslam Alan Douglas · CIK 0001902353 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,025

SEC source: 0001104659-25-021843 · tm258633-1_4seq1.xml · nonDerivative · entry 1

Haslam Alan Douglas · CIK 0001902353 · (See remarks (6))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,515

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. The RSUs that vested on March 5, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-018501 · tm257873-1_4seq1.xml · nonDerivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,780

F1 · price: The purchase price included on this Form 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.54 to $8.65, 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 ranges set forth in this footnote (1).

SEC source: 0001104659-25-016645 · tm257510-1_4seq1.xml · nonDerivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

F1 · price: The purchase price included on this Form 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.98 to $8.00, 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: 0001104659-25-016252 · tm257329-2_4seq1.xml · derivative · entry 1

Cherry Jonathan · CIK 0002014773 · Director · (See remarks (2))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,174

Underlying: Common Shares · 38,174 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. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.exercise_date: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.expiration_date: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.underlying_shares: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-016258 · tm257329-4_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,581

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016256 · tm257329-3_4seq1.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,295

Underlying: Common Shares · 22,904 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. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.exercise_date: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.expiration_date: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.underlying_shares: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-016251 · tm257329-7_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,348

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016263 · tm257329-6_4seq1.xml · derivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,568

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016262 · tm257329-12_4seq1.xml · derivative · entry 2

Haslam Alan Douglas · CIK 0001902353 · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,252

Underlying: Common Shares · 15,886 shares

Expires not disclosed

F3 · derivative.exercise_price: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · derivative.exercise_date: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · derivative.expiration_date: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-016260 · tm257329-11_4seq1.xml · derivative · entry 2

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,143

Underlying: Common Shares · 19,079 shares

Expires not disclosed

F3 · derivative.exercise_price: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · derivative.exercise_date: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · derivative.expiration_date: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-016261 · tm257329-5_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,660

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016259 · tm257329-10_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,258

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016257 · tm257329-9_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,958

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016253 · tm257329-8_4seq1.xml · derivative · entry 1

Dove Laura · CIK 0001920316 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,660

Underlying: Common Shares · 3,305 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

F1 · 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

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 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 DSUs are fully vested as of the date of grant and will be settled following the reporting person's separation from service.

SEC source: 0001104659-25-016250 · tm257329-1_4seq1.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,042

Underlying: Common Shares · 15,847 shares

Expires not disclosed

F3 · derivative.exercise_price: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · derivative.exercise_date: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · derivative.expiration_date: An RSU entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs will vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-25-016313 · tm257388-1_4seq1.xml · nonDerivative · entry 1

Cherry Jonathan · CIK 0002014773 · Director · (See remarks (1))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,160

SEC source: 0001104659-25-016646 · tm257510-2_4seq1.xml · nonDerivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Revocable Trust

Disclosed balance after: 70,000

F1 · price: The purchase price included on this Form 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.28 to $8.62, 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 · balance_after: Includes shares previously reported as direct ownership by the reporting person.

F2 · ownership.nature: Includes shares previously reported as direct ownership by the reporting person.

SEC source: 0001104659-25-016316 · tm257388-2_4seq1.xml · nonDerivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

SEC source: 0001104659-25-016262 · tm257329-12_4seq1.xml · nonDerivative · entry 1

Haslam Alan Douglas · CIK 0001902353 · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,763

F1 · kind: 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 Restricted Share Units ("RSU"), which vested on February 10, 2025 and February 16, 2025, and were settled in Common Shares of the Issuer following the end of the Issuer's blackout period on February 20, 2025.

F2 · 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 $9.14 to $9.29, 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 (2).

SEC source: 0001104659-25-016260 · tm257329-11_4seq1.xml · nonDerivative · entry 1

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (4))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,692

F1 · kind: 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 Restricted Share Units ("RSU"), which vested on February 10, 2025 and February 16, 2025, and were settled in Common Shares of the Issuer following the end of the Issuer's blackout period on February 20, 2025.

F2 · 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 $9.14 to $9.29, 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 (2).

SEC source: 0001104659-25-016250 · tm257329-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,580

F1 · kind: 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 Restricted Share Units ("RSU"), which vested on February 10, 2025 and February 16, 2025, and were settled in Common Shares of the Issuer following the end of the Issuer's blackout period on February 20, 2025.

F2 · 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 $9.14 to $9.29, 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 (2).

SEC source: 0001104659-25-015177 · tm257042-4_4seq1.xml · derivative · entry 2

Wright Michael Stephen · CIK 0001990350 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,391

Underlying: Common Shares · 20,695 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. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

F2 · derivative.exercise_date: On February 16, 2024, the reporting person was granted 62,086 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F2 · derivative.expiration_date: On February 16, 2024, the reporting person was granted 62,086 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.underlying_shares: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-015177 · tm257042-4_4seq1.xml · nonDerivative · entry 1

Wright Michael Stephen · CIK 0001990350 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,695

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. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-015174 · tm257042-3_4seq1.xml · derivative · entry 2

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,195

Underlying: Common Shares · 13,637 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. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

F2 · derivative.exercise_date: On February 16, 2024, the reporting person was granted 40,910 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F2 · derivative.expiration_date: On February 16, 2024, the reporting person was granted 40,910 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.underlying_shares: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-015174 · tm257042-3_4seq1.xml · nonDerivative · entry 1

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,789

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. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

SEC source: 0001104659-25-015171 · tm257042-2_4seq1.xml · derivative · entry 2

Largent Jessica Marie · CIK 0001902354 · Director · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,064

Underlying: Common Shares · 17,239 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. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.

F2 · derivative.exercise_date: On February 16, 2024, the reporting person was granted 51,718 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F2 · derivative.expiration_date: On February 16, 2024, the reporting person was granted 51,718 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F1 · derivative.underlying_shares: A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs that vested on February 16, 2025 were settled in Common Shares of the Issuer.