TALO · Talos Energy Inc.

Represents shares of common stock, par value $0.01 per share, of Talos Energy Inc., withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Second Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

1. Weighted average price. These shares were sold in multiple transactions at prices ranging from $16.70 to $16.90 inclusive. The reporting persons undertake 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 shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

See attached Exhibit 99.1 to this Form 4, which is hereby incorporated herein by reference.

Weighted average price. These shares were sold in multiple transactions at prices ranging from $16.28 to $16.45 inclusive. The reporting persons undertake 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 shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

See attached Exhibit 99.1 to this Form 4, which is hereby incorporated herein by reference.

Weighted average price. These shares were sold in multiple transactions at prices ranging from $16.35 to $16.4685 inclusive. The reporting persons undertake 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 shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

See attached Exhibit 99.1 to this Form 4, which is hereby incorporated herein by reference.

Weighted average price. These shares were sold in multiple transactions at prices ranging from $16.50 to $16.895 inclusive. The reporting persons undertake 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 shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

See attached Exhibit 99.1 to this Form 4, which is hereby incorporated herein by reference.

1. Weighted average price. These shares were sold in multiple transactions at prices ranging from $16.5506 to $16.81 inclusive. The reporting persons undertake 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 shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

See attached Exhibit 99.1 to this Form 4, which is hereby incorporated herein by reference.

Represents shares withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 100% of the RSUs were settled in Shares.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 100% of the RSUs were settled in Shares.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

The restricted stock units ("RSUs") were granted on March 10, 2025 and vested on March 10, 2026. The RSUs represent the economic equivalent of one share of common stock, par value $0.01 per share (a "Share") of Talos Energy Inc. The RSUs were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan. Pursuant to the terms of the award agreement and the reporting person's settlement election, 60% of the RSUs were settled in Shares and 40% were settled in cash.

Represents shares withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Represents shares withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Represents shares withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share (a "Share"), of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 5, 2027, March 5, 2028 and March 5, 2029.

On March 9, 2026, the reporting person filed a Form 4, which inadvertently reported that he was granted 70,093 RSUs. This amended Form 4 is being filed for the purpose of amending and restating the disclosure regarding that transaction in the initial Form 4, to correctly reflect that the reporting person was granted 56,074 RSUs.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 5, 2027. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share (a "Share"), of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 5, 2027, March 5, 2028 and March 5, 2029.

On March 9, 2026, the reporting person filed a Form 4, which inadvertently reported that he was granted 70,093 RSUs. This amended Form 4 is being filed for the purpose of amending and restating the disclosure regarding that transaction in the initial Form 4, to correctly reflect that the reporting person was granted 56,074 RSUs.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 5, 2027. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 5, 2027. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share (a "Share"), of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 5, 2027, March 5, 2028 and March 5, 2029.

On March 9, 2026, the reporting person filed a Form 4, which inadvertently reported that he was granted 23,364 RSUs. This amended Form 4 is being filed for the purpose of amending and restating the disclosure regarding that transaction in the initial Form 4, to correctly reflect that the reporting person was granted 18,691 RSUs.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share (a "Share"), of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 5, 2027, March 5, 2028 and March 5, 2029.

On March 9, 2026, the reporting person filed a Form 4, which inadvertently reported that he was granted 214,174 RSUs. This amended Form 4 is being filed for the purpose of amending and restating the disclosure regarding that transaction in the initial Form 4, to correctly reflect that the reporting person was granted 171,339 RSUs.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share (a "Share"), of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 5, 2027, March 5, 2028 and March 5, 2029.

On March 9, 2026, the reporting person filed a Form 4, which inadvertently reported that he was granted 70,093 RSUs. This amended Form 4 is being filed for the purpose of amending and restating the disclosure regarding that transaction in the initial Form 4, to correctly reflect that the reporting person was granted 56,074 RSUs.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 5, 2027. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 5, 2027. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share (a "Share"), of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 5, 2027, March 5, 2028 and March 5, 2029.

On March 9, 2026, the reporting person filed a Form 4, which inadvertently reported that he was granted 70,093 RSUs. This amended Form 4 is being filed for the purpose of amending and restating the disclosure regarding that transaction in the initial Form 4, to correctly reflect that the reporting person was granted 56,074 RSUs.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 5, 2027. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

Represents shares of common stock, par value $0.01 per share, of Talos Energy Inc., withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share, of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of October 1, 2026, October 1, 2027 and October 1, 2028.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share, of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of September 18, 2026, September 18, 2027 and September 18, 2028.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share, of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of September 18, 2026, September 18, 2027 and September 18, 2028.

Represents shares of common stock, par value $0.01 per share, of Talos Energy Inc., withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Represents shares of common stock, par value $0.01 per share, of Talos Energy Inc., withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Represents shares of common stock, par value $0.01 per share, of Talos Energy Inc., withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Represents shares of common stock, par value $0.01 per share, of Talos Energy Inc., withheld to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units under the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share, of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 10, 2026, March 10, 2027 and March 10, 2028.

The restricted stock units ("RSUs") were granted pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and represent a contingent right to receive 60% of such RSUs in shares of common stock, par value $0.01 per share ("Shares") of Talos Energy Inc. and 40% of such RSUs in cash if no settlement election was made to receive 100% in Shares.

The RSUs will vest, contingent upon continued service, on March 10, 2026. Vested Shares and/or cash will be delivered to the reporting person on the date provided in such person's deferral election or the vesting date if no such election was made.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock, par value $0.01 per share, of Talos Energy Inc. The RSUs were issued pursuant to the Amended and Restated Talos Energy Inc. 2021 Long Term Incentive Plan and will vest ratably on each of March 10, 2026, March 10, 2027 and March 10, 2028.