LAC

SEC source: 0000912282-25-001263 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,136

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: 0000912282-25-001259 · form4.xml · derivative · entry 3

CROWLEY TIMOTHY AMBROSE · CIK 0002045503 · VP, Gov & External Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,834

Underlying: Common Shares · 11,417 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: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of RSUs on October 24, 2023, which vest as follows: 1/3 on October 24, 2024; 1/3 on October 24, 2025; and 1/3 on October 24, 2026. As of the date of this Form 3, 38,610 unvested RSUs remain.

F2 · derivative.expiration_date: Represents grant of RSUs on October 24, 2023, which vest as follows: 1/3 on October 24, 2024; 1/3 on October 24, 2025; and 1/3 on October 24, 2026. As of the date of this Form 3, 38,610 unvested RSUs remain.

SEC source: 0000912282-25-001259 · form4.xml · nonDerivative · entry 1

CROWLEY TIMOTHY AMBROSE · CIK 0002045503 · VP, Gov & External Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,477

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: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000912282-25-001256 · form4.xml · derivative · entry 3

GRANDY EDWARD · CIK 0002045063 · Sr VP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,570

Underlying: Common Shares · 13,286 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: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of RSUs on October 24, 2023, which vests as follows: 1/5 on October 24, 2023; 1/5 on October 24, 2024; 1/5 on October 24, 2025; 1/5 on October 24, 2026; and 1/5 on October 24, 2027. As of the date of this Form 3, 39,856 RSUs remain unvested.

F2 · derivative.expiration_date: Represents grant of RSUs on October 24, 2023, which vests as follows: 1/5 on October 24, 2023; 1/5 on October 24, 2024; 1/5 on October 24, 2025; 1/5 on October 24, 2026; and 1/5 on October 24, 2027. As of the date of this Form 3, 39,856 RSUs remain unvested.

SEC source: 0000912282-25-001256 · form4.xml · nonDerivative · entry 1

GRANDY EDWARD · CIK 0002045063 · Sr VP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,649

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: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000912282-25-001133 · form4.xml · derivative · entry 1

GAO YUAN · CIK 0002045666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,516

Underlying: Common Shares · 6,289 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-001140 · form4.xml · derivative · entry 1

BROWN MICHAEL JOHN · CIK 0002045597 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,421

Underlying: Common Shares · 7,468 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-001137 · form4.xml · derivative · entry 1

MONTGOMERY PHILIP · CIK 0002045343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,582

Underlying: Common Shares · 4,913 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-001135 · form4.xml · derivative · entry 1

MAGIE JINHEE · CIK 0002045368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,239

Underlying: Common Shares · 4,913 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-001131 · form4.xml · derivative · entry 1

Chubbs Fabiana · CIK 0001832935 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,939

Underlying: Common Shares · 4,913 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-001141 · form4.xml · derivative · entry 1

RUSSELL-SMITH ROBERT · CIK 0002089273 · SVP, Finance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,970

Underlying: Common Shares · 17,970 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: Represents grant of RSUs on October 22, 2025, which vest 1/3 annually beginning in 2026.

F2 · derivative.expiration_date: Represents grant of RSUs on October 22, 2025, which vest 1/3 annually beginning in 2026.

SEC source: 0000912282-25-001100 · form4.xml · nonDerivative · entry 2

GERSPACHER RICHARD · CIK 0002045424 · EVP, Capital Projects

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,691

F2 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from C$9.48 to C$9.505, inclusive. The reporting person undertakes to provide to Lithium Americas Corp., any security holder of Lithium Americas Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The average weighted price of C$9.4970 converted to U.S. dollars using an exchange rate of C$1.40 = US$1.00.

SEC source: 0000912282-25-001100 · form4.xml · nonDerivative · entry 1

GERSPACHER RICHARD · CIK 0002045424 · EVP, Capital Projects

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,889

F1 · price: Converted from Canadian sale price of C$10.05 using an exchange rate of C$1.40 = US$1.00.

SEC source: 0000912282-25-001098 · form4a.xml · derivative · entry 2

GERSPACHER RICHARD · CIK 0002045424 · EVP, Capital Projects

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,769

Underlying: Common Shares · 17,884 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: Represents grant of RSUs on January 23, 2024, which vest 1/3 annually beginning in 2025.

F2 · derivative.exercise_date: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.expiration_date: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000912282-25-001029 · form4.xml · nonDerivative · entry 2

ZAWADZKI ALEXI ILLYA · CIK 0002045478 · VP, Resource Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,005

F1 · kind: The Reporting Person's sale of LAC common shares reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 20,000 common shares, with the Reporting Person's purchase of 20,000 LAC common shares at a price of $9.5758 on October 1, 2025. The matching sales consisted of 10,000 common shares sold at $9.8325, 3,914 common shares sold at $9.78, and 6,086 common shares sold at $9.7520. The Reporting Person has agreed to pay to Lithium Americas Corp., upon settlement of the sale, $4,428.60, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs.

SEC source: 0000912282-25-001029 · form4.xml · nonDerivative · entry 1

ZAWADZKI ALEXI ILLYA · CIK 0002045478 · VP, Resource Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,005

F1 · kind: The Reporting Person's sale of LAC common shares reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 20,000 common shares, with the Reporting Person's purchase of 20,000 LAC common shares at a price of $9.5758 on October 1, 2025. The matching sales consisted of 10,000 common shares sold at $9.8325, 3,914 common shares sold at $9.78, and 6,086 common shares sold at $9.7520. The Reporting Person has agreed to pay to Lithium Americas Corp., upon settlement of the sale, $4,428.60, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs.

F2 · price: The sale price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.2128 to $9.8325, inclusive. The Reporting Person undertakes to provide to Lithium Americas Corp., any security holder of Lithium Americas Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

SEC source: 0000912282-25-000972 · form4.xml · nonDerivative · entry 1

BROWN MICHAEL JOHN · CIK 0002045597 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,201

SEC source: 0000912282-25-000807 · form4.xml · derivative · entry 1

BROWN MICHAEL JOHN · CIK 0002045597 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,953

Underlying: Common Shares · 17,636 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000800 · form4.xml · derivative · entry 1

GAO YUAN · CIK 0002045666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,227

Underlying: Common Shares · 14,851 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000805 · form4.xml · derivative · entry 1

MAGIE JINHEE · CIK 0002045368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,326

Underlying: Common Shares · 11,602 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000808 · form4.xml · derivative · entry 1

MONTGOMERY PHILIP · CIK 0002045343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,262

Underlying: Common Shares · 11,602 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000803 · form4.xml · derivative · entry 1

Chubbs Fabiana · CIK 0001832935 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,026

Underlying: Common Shares · 11,602 shares

Expires not disclosed

F1 · derivative.exercise_price: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000774 · form4.xml · nonDerivative · entry 1

ZAWADZKI ALEXI ILLYA · CIK 0002045478 · VP, Resource Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 403,919

F1 · price: Converted from Canadian withholding price of $3.90 using an exchange rate of C$1.3684 = US$1.00.

SEC source: 0000912282-26-000503 · form4a.xml · nonDerivative · entry 1

ZAWADZKI ALEXI ILLYA · CIK 0002045478 · VP, Resource Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 406,373

SEC source: 0000912282-25-000753 · form4.xml · derivative · entry 2

MAGIE JINHEE · CIK 0002045368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,079 shares

Expires 2026-10-24

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The RSUs were granted on October 24, 2023, subject to vesting provisions.

SEC source: 0000912282-25-000753 · form4.xml · nonDerivative · entry 1

MAGIE JINHEE · CIK 0002045368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,079

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000912282-25-000726 · form4.xml · derivative · entry 1

MONTGOMERY PHILIP · CIK 0002045343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,045

Underlying: Common Shares · 58,045 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The RSUs vest 1/3 annually beginning in 2026.

F2 · derivative.expiration_date: The RSUs vest 1/3 annually beginning in 2026.

SEC source: 0000912282-25-000722 · form4.xml · nonDerivative · entry 2

HASHIMOTO APRIL · CIK 0002045470 · SrVP, Finance & Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,505

SEC source: 0000912282-25-000713 · form4.xml · nonDerivative · entry 1

HASHIMOTO APRIL · CIK 0002045470 · SrVP, Finance & Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,524

SEC source: 0000912282-25-000722 · form4.xml · nonDerivative · entry 1

HASHIMOTO APRIL · CIK 0002045470 · SrVP, Finance & Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,524

SEC source: 0000912282-25-000690 · form4.xml · derivative · entry 3

HASHIMOTO APRIL · CIK 0002045470 · SrVP, Finance & Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 2,100 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.

F2 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents grant of RSUs on June 22, 2023.

F3 · derivative.expiration_date: Represents grant of RSUs on June 22, 2023.

SEC source: 0000912282-25-000690 · form4.xml · nonDerivative · entry 2

HASHIMOTO APRIL · CIK 0002045470 · SrVP, Finance & Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,292

SEC source: 0000912282-25-000644 · form4.xml · nonDerivative · entry 1

GERSPACHER RICHARD · CIK 0002045424 · EVP, Capital Projects

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,187

SEC source: 0000912282-25-000641 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,719

SEC source: 0000912282-25-000646 · form4.xml · nonDerivative · entry 1

GRANDY EDWARD · CIK 0002045063 · Sr VP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,363

SEC source: 0000912282-25-000642 · form4.xml · nonDerivative · entry 1

CROWLEY TIMOTHY AMBROSE · CIK 0002045503 · VP, Gov & External Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,060

SEC source: 0000912282-25-000643 · form4.xml · nonDerivative · entry 1

Evans Jonathan David · CIK 0001998385 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 635,144

SEC source: 0000912282-25-000690 · form4.xml · nonDerivative · entry 1

HASHIMOTO APRIL · CIK 0002045470 · SrVP, Finance & Administration

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,012

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 · balance_after: Total adjusted by one (1) share to account for RSU rounding discrepancy.

SEC source: 0000912282-25-000554 · form4.xml · nonDerivative · entry 1

BROWN MICHAEL JOHN · CIK 0002045597 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,201

SEC source: 0000912282-25-000487 · form4.xml · derivative · entry 1

BROWN MICHAEL JOHN · CIK 0002045597 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,317

Underlying: Common Shares · 16,950 shares

Expires not disclosed

F1 · security: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000490 · form4.xml · derivative · entry 1

GAO YUAN · CIK 0002045666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,376

Underlying: Common Shares · 14,273 shares

Expires not disclosed

F1 · security: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000488 · form4.xml · derivative · entry 1

MAGIE JINHEE · CIK 0002045368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,724

Underlying: Common Shares · 11,151 shares

Expires not disclosed

F1 · security: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000489 · form4.xml · derivative · entry 1

MONTGOMERY PHILIP · CIK 0002045343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,660

Underlying: Common Shares · 11,151 shares

Expires not disclosed

F1 · security: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000499 · form4.xml · derivative · entry 1

Chubbs Fabiana · CIK 0001832935 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,424

Underlying: Common Shares · 11,151 shares

Expires not disclosed

F1 · security: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.exercise_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

F1 · derivative.expiration_date: Each DSU represents the right to receive one common share of the Issuer. The underlying common shares will not be issued to the Reporting Person, and the Reporting Person shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the Reporting Person's employment or services as a director of the Issuer. Grants to U.S. eligible participants will be settled with no further action by the Reporting Person on the date that is 6 months following the Reporting Person's termination date. Grants to non-U.S. eligible participants will be settled with no further action by the Reporting Person on the 20th business day following the Reporting Person's termination date.

SEC source: 0000912282-25-000464 · form4.xml · nonDerivative · entry 1

GRANDY EDWARD · CIK 0002045063 · Sr VP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,155

SEC source: 0000912282-25-000458 · form4.xml · nonDerivative · entry 2

ZAWADZKI ALEXI ILLYA · CIK 0002045478 · VP, Resource Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 446,108

SEC source: 0000912282-25-000458 · form4.xml · nonDerivative · entry 1

ZAWADZKI ALEXI ILLYA · CIK 0002045478 · VP, Resource Development

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 449,018

F1 · shares: Represents 2022 grant of performance share units, vesting three years from grant date.

SEC source: 0000912282-25-000462 · form4.xml · nonDerivative · entry 1

BARNUM AUBREE · CIK 0002045589 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,733

SEC source: 0000912282-25-000456 · form4.xml · nonDerivative · entry 1

GRANDY EDWARD · CIK 0002045063 · Sr VP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,178

SEC source: 0000912282-25-000460 · form4.xml · nonDerivative · entry 2

Evans Jonathan David · CIK 0001998385 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 711,280

F2 · balance_after: Total adjusted by one (1) share to account for rounding discrepancy.