PPTA

SEC source: 0001104659-26-113394 · tm2626950-1_4seq1.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,836

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: 0001104659-26-113394 · tm2626950-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,000

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: 0001104659-26-111066 · tm2626211-5_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,679

Underlying: Common Shares · 907 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-111064 · tm2626211-4_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,315

Underlying: Common Shares · 747 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-111062 · tm2626211-3_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,913

Underlying: Common Shares · 747 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-111059 · tm2626211-1_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,236

Underlying: Common Shares · 747 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-111060 · tm2626211-2_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,003

Underlying: Common Shares · 747 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-078381 · tm2619104-1_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,489

Underlying: Common Shares · 828 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-078385 · tm2619104d5_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,256

Underlying: Common Shares · 828 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-078384 · tm2619104-4_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,166

Underlying: Common Shares · 828 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-078383 · tm2619104-3_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,772

Underlying: Common Shares · 1,006 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-078382 · tm2619104-2_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,568

Underlying: Common Shares · 828 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 2026. 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, 2026.

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 2026. 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 2026. 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: 0001104659-26-039365 · tm2611096-2_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,895

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 21, 2026, and were settled in Common Shares of the Issuer following the end of the Issuer's blackout period on April 1, 2026.

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 US$29.28 to US$29.44, 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: 0001104659-26-039364 · tm2611096-1_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,329

F3 · 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 21, 2026, and were settled in Common Shares of the Issuer following the end of the Issuer's blackout period on April 1, 2026.

F4 · 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 US$29.28 to US$29.44, 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 (4).

SEC source: 0001104659-26-039364 · tm2611096-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,905

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, 2026, and were settled in Common Shares of the Issuer following the end of the Issuer's blackout period on April 1, 2026.

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 US$29.58 to US$29.76, 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: 0001104659-26-036304 · tm269983-4_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,661

Underlying: Common Shares · 694 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 2026. 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 March 24, 2026.

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 2026. 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 2026. 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: 0001104659-26-036301 · tm269983-2_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,428

Underlying: Common Shares · 694 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 2026. 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 March 24, 2026.

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 2026. 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 2026. 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: 0001104659-26-036305 · tm269983-5_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,740

Underlying: Common Shares · 694 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 2026. 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 March 24, 2026.

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 2026. 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 2026. 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: 0001104659-26-036302 · tm269983-3_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,338

Underlying: Common Shares · 694 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 2026. 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 March 24, 2026.

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 2026. 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 2026. 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: 0001104659-26-036300 · tm269983-1_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,766

Underlying: Common Shares · 843 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 2026. 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 March 24, 2026.

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 2026. 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 2026. 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: 0001104659-26-031457 · tm269086-2_4seq1.xml · derivative · entry 1

Fontaine Gregory A · CIK 0002117976 · (See remarks (3))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,197

Underlying: Common Shares · 8,197 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 March 16, 2026, the reporting person was granted 8,197 RSUs, which vest in three equal installments as follows: 2,732 on February 16, 2027, 2,733 on February 16, 2028, and 2,732 on February 16, 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F2 · derivative.expiration_date: On March 16, 2026, the reporting person was granted 8,197 RSUs, which vest in three equal installments as follows: 2,732 on February 16, 2027, 2,733 on February 16, 2028, and 2,732 on February 16, 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-26-019272 · tm267193-1_4seq1.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,088

Underlying: Common Shares · 12,725 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 21, 2026 were settled in Common Shares of the Issuer.

F2 · derivative.exercise_date: On February 21, 2025, the reporting person was granted 38,174 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.

F2 · derivative.expiration_date: On February 21, 2025, the reporting person was granted 38,174 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.

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 21, 2026 were settled in Common Shares of the Issuer.

SEC source: 0001104659-26-019272 · tm267193-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,974

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.

SEC source: 0001104659-26-019276 · tm267193-2_4seq1.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,325

Underlying: Common Shares · 5,282 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 21, 2026 were settled in Common Shares of the Issuer.

F2 · derivative.exercise_date: On February 21, 2025, the reporting person was granted 15,847 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.

F2 · derivative.expiration_date: On February 21, 2025, the reporting person was granted 15,847 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.

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 21, 2026 were settled in Common Shares of the Issuer.

SEC source: 0001104659-26-019276 · tm267193-2_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,028

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.

SEC source: 0001104659-26-016657 · tm266687-1_4seq1.xml · derivative · entry 4

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (7))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,607

Underlying: Common Shares · 13,636 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.

F5 · 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, 2026 were settled in Common Shares of the Issuer.

F6 · derivative.exercise_date: On February 16, 2024, the reporting person was granted 40,910 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.

F6 · derivative.expiration_date: On February 16, 2024, the reporting person was granted 40,910 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.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, 2026 were settled in Common Shares of the Issuer.

SEC source: 0001104659-26-016657 · tm266687-1_4seq1.xml · nonDerivative · entry 3

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (7))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,746

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.

F5 · 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, 2026 were settled in Common Shares of the Issuer.

SEC source: 0001104659-26-016657 · tm266687-1_4seq1.xml · nonDerivative · entry 2

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (7))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,110

F3 · 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 February 11, 2026, when certification of the applicable performance measures occurred, and were settled in Common Shares of the Issuer following such certification.

F4 · 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 US$27.39 to US$27.93, 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 (4).

SEC source: 0001104659-26-016657 · tm266687-1_4seq1.xml · nonDerivative · entry 1

Lyon Mckinsey Margaret · CIK 0001902352 · (See remarks (7))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,562

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 10, 2026, and were settled in Common Shares of the Issuer.

F2 · price: The sale price included on this Form 4 is a weighted average price and 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 February 6, 2026, of C$1.3644 = US$1.00. These shares were sold in multiple transactions at prices ranging from US$27.40 to US$27.69, 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: 0001104659-26-014579 · tm266296-9_4seq1.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,813

Underlying: Common Shares · 21,639 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-26-014582 · tm266296-1_4seq1.xml · derivative · entry 1

Cole Andrew Phillip · CIK 0002006583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,967

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014580 · tm266296-5_4seq1.xml · derivative · entry 1

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,734

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014591 · tm266296-8_4seq1.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,243

Underlying: Common Shares · 5,123 shares

Expires not disclosed

F3 · 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

F3 · 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-26-014591 · tm266296-8_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,832

SEC source: 0001104659-26-014592 · tm266296-4_4seq1.xml · derivative · entry 1

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,038

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014590 · tm266296-3_4seq1.xml · derivative · entry 1

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,923

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014589 · tm266296-12_4seq1.xml · derivative · entry 1

Kahl Timothy Charles · CIK 0002091031 · (See remarks (2))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,320

Underlying: Common Shares · 5,533 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-26-014588 · tm266296-7_4seq1.xml · derivative · entry 1

Haddock Richie Darrin · CIK 0001977859 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,644

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014586 · tm266296-11_4seq1.xml · derivative · entry 1

Murchison Mark E · CIK 0002089444 · (See remarks (2))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,836

Underlying: Common Shares · 9,836 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-26-014585 · tm266296-2_4seq1.xml · derivative · entry 1

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,046

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014583 · tm266296-6_4seq1.xml · derivative · entry 1

Dove Laura · CIK 0001920316 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,119

Underlying: Common Shares · 2,459 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.

F2 · price: Based on the closing price of the Issuer's Common Shares on the Nasdaq Capital Market on February 11, 2026.

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: 0001104659-26-014581 · tm266296-10_4seq1.xml · derivative · entry 1

Norine James Arthur · CIK 0002100498 · (See remarks (2))

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,762

Underlying: Common Shares · 6,762 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, 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 February 16, 2027, 2028 and 2029, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

SEC source: 0001104659-26-014591 · tm266296-8_4seq1.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,120

Underlying: Common Shares · 11,310 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 10, 2026 were settled in Common Shares of the Issuer.

F2 · derivative.exercise_date: On February 10, 2023, the reporting person was granted 33,929 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.

F2 · derivative.expiration_date: On February 10, 2023, the reporting person was granted 33,929 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: 0001104659-26-014591 · tm266296-8_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,974

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 10, 2026 were settled in Common Shares of the Issuer.

SEC source: 0001104659-26-001878 · tm262506-5_4seq1.xml · nonDerivative · entry 4

Sternhell Alexander McLeod · CIK 0001902351 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,352

F3 · price: The sale price of the stock option of CAD $39.96 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 $39.96 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $39.96 to CAD $39.97, 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: 0001104659-26-001876 · tm262506-3_4seq1.xml · nonDerivative · entry 4

Malmen Jeffrey L · CIK 0001445756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,319

F3 · price: The sale price of the stock option of CAD $36.50 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 January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.50 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.41 to CAD $36.71, 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: 0001104659-26-001877 · tm262506-4_4seq1.xml · nonDerivative · entry 4

Robison Chris J · CIK 0001575837 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,799

F3 · price: The sale price of the stock option of CAD $36.50 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 January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.50 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.41 to CAD $36.81, 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: 0001104659-26-001874 · tm262506-1_4seq1.xml · nonDerivative · entry 3

Dean Robert Alan · CIK 0001902350 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,302

F3 · price: The sale price of the stock option of CAD $37.29 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 $37.29 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $37.26 to CAD $37.32, 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 range set forth in this footnote (3). These shares represent shares sold to cover payment of taxes relating to the option exercise.

SEC source: 0001104659-26-001876 · tm262506-3_4seq1.xml · derivative · entry 6

Malmen Jeffrey L · CIK 0001445756 · 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: 0001104659-26-001876 · tm262506-3_4seq1.xml · derivative · entry 5

Malmen Jeffrey L · CIK 0001445756 · 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.