CEG · Constellation Energy Corp · Insider Trading

Phantom share equivalents acquired in the reporting person's Constellation Energy Corporation stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and will be settled in cash on a 1-for-1 basis upon termination of the reporting person's service. The balance of phantom share equivalents may fluctuate due to periodic changes in the fund composition.

Phantom share equivalents acquired in the reporting person's Constellation Energy Corporation stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and will be settled in cash on a 1-for-1 basis upon termination of the reporting person's service. The balance of phantom share equivalents may fluctuate due to periodic changes in the fund composition. Balance also reflects approximately 8 share equivalents accrued on September 4, 2026 through dividend reinvestment.

This transaction was executed in multiple trades at prices ranging from $278.405 to $279.00, inclusive. The price reported reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Phantom share equivalents acquired in the reporting person's Constellation Energy Corporation stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and will be settled in cash on a 1-for-1 basis upon termination of the reporting person's service. The balance of phantom share equivalents may fluctuate due to periodic changes in the fund composition. Balance also reflects approximately 8 share equivalents accrued on June 5, 2026 through dividend reinvestment.

Balance includes approximately 20 shares acquired through quarterly automatic dividend reinvestments.

Balance includes approximately 262 shares acquired through quarterly automatic dividend reinvestments.

Balance includes approximately 82 shares acquired through quarterly automatic dividend reinvestments.

Represents restricted stock units ("RSUs") that vest in full on April 28, 2027. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Balance includes approximately 5 shares acquired through quarterly automatic dividend reinvestments.

Balance includes approximately 262 shares acquired through quarterly automatic dividend reinvestments.

Balance includes approximately 29 shares acquired through quarterly automatic dividend reinvestments.

Balance includes approximately 29 shares acquired through quarterly automatic dividend reinvestments.

Represents restricted stock units ("RSUs") that vest in full on April 28, 2027. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Balance includes approximately 5 shares acquired through quarterly automatic dividend reinvestments.

Balance includes approximately 29 shares acquired through quarterly automatic dividend reinvestments.

Represents restricted stock units ("RSUs") that vest in full on April 28, 2027. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Balance includes approximately 5 shares acquired through quarterly automatic dividend reinvestments.

Phantom share equivalents acquired in the reporting person's Constellation Energy Corporation stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and will be settled in cash on a 1-for-1 basis upon termination of the reporting person's service. The balance of phantom share equivalents may fluctuate due to periodic changes in the fund composition. Balance also reflects approximately 7 share equivalents accrued on March 20, 2026 through dividend reinvestment.

RSUs cliff vested on March 1, 2026. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

The RSU award acquired approximately 572 additional shares through automatic dividend reinvestment.

RSUs cliff vest on March 1, 2029. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Shares of Common Stock acquired from vested equity awards granted under the Issuer's Long-term Incentive Plan ("LTIP").

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

The RSU award acquired approximately 11 additional shares through automatic dividend reinvestment since February 10, 2025.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Shares of Common Stock acquired from vested equity awards granted under the Issuer's Long-term Incentive Plan ("LTIP").

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Shares of Common Stock acquired from vested equity awards granted under the Issuer's Long-term Incentive Plan ("LTIP").

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

The RSU award acquired approximately 244 additional shares through automatic dividend reinvestment since February 10, 2025.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.

Shares of Common Stock acquired from vested equity awards granted under the Issuer's Long-term Incentive Plan ("LTIP").

Shares of Common Stock acquired from vested equity awards granted under the Issuer's Long-term Incentive Plan ("LTIP").

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

The RSU award acquired approximately 30 additional shares through automatic dividend reinvestment since February 10, 2025.

Shares of Common Stock acquired from vested equity awards granted under the Issuer's Long-term Incentive Plan ("LTIP").

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Restricted stock units ("RSUs") vest in 1/3 increments on the dates of the Compensation Committee's first-quarter meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Common Stock upon vesting, and does not expire. These RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Issuer's board of directors, which vest on the same schedule as the underlying RSU award.

Performance share award granted under the LTIP for the three-year performance period referenced in Column 1 based upon the Compensation Committee's determination of performance achieved for the period. Each performance share represents the right to receive one share of Common Stock upon vesting. These performance shares do not accrue quarterly dividends. Performance share award vests immediately on the grant date.