EU · enCore Energy Corp. · Insider Trading

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.9254 to $0.9535, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, 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 range set forth in footnote (2) to this Form 4.

The reported sale of 30,648 common shares of the Company occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 17, 2025.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was indirectly granted 102,500 restricted stock units. The restricted stock units vested one-third on October 8, 2026 and will vest one-third on October 8, 2027 and one-third on October 8, 2028.

Each restricted stock unit represents one common share of enCore Energy Corp.

Each restricted stock unit represents one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 196,499 restricted stock units. The restricted stock units vested one-half October 8, 2026 and will vest one-half October 8, 2027.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 482,589 restricted stock units. The restricted stock units vested one-third on October 8 2026 and will vest one-third on October 8, 2027 and one-third on October 8, 2028.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp. (the "Company").

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp. (the "Company").

On October 8, 2025, the reporting person was granted 175,133 restricted stock units. The restricted stock units vested one-half on October 8, 2026 and will vest one-half on October 8, 2027.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 145,000 restricted stock units. The restricted stock units vested one-half on October 8, 2026 and will vest one-half on October 8, 2027.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 231,266 restricted stock units. The restricted stock units vested one-half on October 8, 2026 and will vest one-half on October 8, 2027.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 36,000 restricted stock units. The restricted stock units vested one-third on October 8, 2026 and will vest one-third on October 8, 2027 and one-third on October 8, 2028.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 60,000 restricted stock units. The restricted stock units vested on October 1, 2026.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On October 8, 2025, the reporting person was granted 250,000 restricted stock units. The restricted stock units vested one-fourth on October 1, 2026 and will vest one-fourth on October 1, 2027, one-fourth on October 1, 2028 and one-fourth on October 1, 2029.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On September 24, 2025, the reporting person was granted 100,000 restricted stock units. The restricted stock units vested one-fourth on September 24, 2026 and will vest one-fourth on September 24, 2027, one-fourth on September 24, 2028 and one-fourth on September 24, 2029.

Represents a purchase price of $1.14 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.4002 reported by the Bank of Canada on September 18, 2026.

Represents a purchase price of $1.14 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.4002 reported by the Bank of Canada on September 18, 2026.

Represents a purchase price of $1.21 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.3909 reported by the Bank of Canada on September 14, 2026.

Each performance share unit represents the contingent right to receive one common share of the Company subject to performance objectives regarding total shareholder return performance of the Company measured against a peer group of uranium industry companies over a three-year performance period ending December 31, 2028. The number of performance share units represents the target number, and the reporting person may earn between 0% and 200% of the target number of performance share units.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp. (the "Company").

On August 17, 2026, the reporting person was granted 94,595 restricted stock units. The restricted stock units vest one-third on August 17, 2027, one-third on August 17, 2028 and one-third on August 17, 2029.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp. (the "Company").

On August 17, 2026, the reporting person was granted 162,162 restricted stock units. The restricted stock units vest one-third on August 17, 2027, one-third on August 17, 2028 and one-third on August 17, 2029.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On August 17, 2026, the reporting person was granted 70,270 restricted stock units. The restricted stock units vest on August 17, 2027.

Each performance share unit represents the contingent right to receive one common share of the Company subject to performance objectives regarding total shareholder return performance of the Company measured against a peer group of uranium industry companies over a three-year performance period ending December 31, 2028. The number of performance share units represents the target number, and the reporting person may earn between 0% and 200% of the target number of performance share units.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On August 17, 2026, the reporting person was granted 70,270 restricted stock units. The restricted stock units vest on August 17, 2027.

On August 17, 2026, the reporting person was granted 101,351 stock options. The stock options vest and become exercisable one-third on August 17, 2027, one-third on August 17, 2028 and one-third on August 17, 2029.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On August 17, 2026, the reporting person was granted 70,270 restricted stock units. The restricted stock units vest on August 17, 2027.

Each performance share unit represents the contingent right to receive one common share of the Company subject to performance objectives regarding total shareholder return performance of the Company measured against a peer group of uranium industry companies over a three-year performance period ending December 31, 2028. The number of performance share units represents the target number, and the reporting person may earn between 0% and 200% of the target number of performance share units.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On August 17, 2026, the reporting person was granted 101,351 restricted stock units. The restricted stock units vest one-third on August 17, 2027, one-third on August 17, 2028 and one-third on August 17, 2029.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp. (the "Company").

On August 17, 2026, the reporting person was granted 51,081 restricted stock units. The restricted stock units vest one-third on August 17, 2027, one-third on August 17, 2028 and one-third on August 17, 2029.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On August 17, 2026, the reporting person was granted 70,270 restricted stock units. The restricted stock units vest on August 17, 2027.

Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

On August 17, 2026, the reporting person was granted 70,270 restricted stock units. The restricted stock units vest on August 17, 2027.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.38 to $1.40, inclusive. The reporting person undertakes to provide to enCore Energy Corp., any security holder of enCore Energy 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 range set forth in footnote (2) to this form

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.36 to $1.39, inclusive. The reporting person undertakes to provide to enCore Energy Corp., any security holder of enCore Energy 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 range set forth in footnote (1) to this form

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.27 to $1.30, inclusive. The reporting person undertakes to provide to enCore Energy Corp., any security holder of enCore Energy 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 range set forth in footnote (1) to this Form 4.