DCTH · Delcath Systems, Inc.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

Includes an aggregate of 10,433 shares acquired under the Issuer's 2021 Employee Stock Purchase Plan.

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining 2/3 two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining 2/3 two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.

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

Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining 2/3 two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining 2/3 two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining 2/3 two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 12, 2024 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 15, 2025 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 15, 2025 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 15, 2025 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 15, 2025 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 15, 2025 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

Rosalind Opportunities Fund I L.P. exercised warrants to aquire 400,000 common shares.

Rosalind Master Fund L.P. - 1,565,844, Rosalind Opportunities Fund I L.P. - 1,734,545, Steven Salamon - 82,197, Gilad Aharon - 30,882

Each Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Rosalind Opportunities Fund I L.P. exercised warrants to aquire 400,000 common shares.

Rosalind Master Fund L.P. - 1,565,844, Rosalind Opportunities Fund I L.P. - 1,734,545, Steven Salamon - 82,197, Gilad Aharon - 30,882

Each Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Rosalind Opportunities Fund I L.P. exercised warrants to aquire 400,000 common shares.

Rosalind Master Fund L.P. - 1,565,844, Rosalind Opportunities Fund I L.P. - 1,734,545, Steven Salamon - 82,197, Gilad Aharon - 30,882

Each Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 7, 2025 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 7, 2025 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 7, 2025 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 7, 2025 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 7, 2025 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 7, 2025 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).

Converted a total of 853,954 Series E/E-1 warrants to 603,954 Pre-funded Warrants at $9.99 and 250,000 common shares at $10.00.

NA

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Converted a total of 853,954 Series E/E-1 warrants to 603,954 Pre-funded Warrants at $9.99 and 250,000 common shares at $10.00.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Converted a total of 853,954 Series E/E-1 warrants to 603,954 Pre-funded Warrants at $9.99 and 250,000 common shares at $10.00.

NA

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Converted a total of 853,954 Series E/E-1 warrants to 603,954 Pre-funded Warrants at $9.99 and 250,000 common shares at $10.00.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Converted a total of 853,954 Series E/E-1 warrants to 603,954 Pre-funded Warrants at $9.99 and 250,000 common shares at $10.00.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Converted a total of 853,954 Series E/E-1 warrants to 603,954 Pre-funded Warrants at $9.99 and 250,000 common shares at $10.00.

NA

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

N/A

Delcath repaid the DELCATH SYSTEM - 8% CONVERTIBLE NOTE in full with cash of $1,423,333.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Immediately exercisable

The Tranche B Warrants expire the earlier of (i) twenty-one (21) days following the date of the Issuer's public announcement of record at least $10,000,000 in quarterly U.S. revenue from the commercialization of HEPZATO and (ii) March 31, 2026. The Issuer announced on October 17, 2024 that it had recorded at least $10,000,000 in quarterly U.S. revenue from the commercialization of HEPZATO and therefore such Tranche B Warrants expire on November 7, 2024.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Immediately exercisable

The Tranche B Warrants expire the earlier of (i) twenty-one (21) days following the date of the Issuer's public announcement of record at least $10,000,000 in quarterly U.S. revenue from the commercialization of HEPZATO and (ii) March 31, 2026. The Issuer announced on October 17, 2024 that it had recorded at least $10,000,000 in quarterly U.S. revenue from the commercialization of HEPZATO and therefore such Tranche B Warrants expire on November 7, 2024.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

N/A

Delcath repaid the DELCATH SYSTEM - 8% CONVERTIBLE NOTE in full with cash of $1,423,333.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

N/A

Delcath repaid the DELCATH SYSTEM - 8% CONVERTIBLE NOTE in full with cash of $1,423,333.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein

Immediately exercisable

The Tranche B Warrants expire the earlier of (i) twenty-one (21) days following the date of the Issuer's public announcement of record at least $10,000,000 in quarterly U.S. revenue from the commercialization of HEPZATO and (ii) March 31, 2026. The Issuer announced on October 17, 2024 that it had recorded at least $10,000,000 in quarterly U.S. revenue from the commercialization of HEPZATO and therefore such Tranche B Warrants expire on November 7, 2024.

Reporting Persons disclaims beneficial ownership over the shares except to the extent of his or its respective pecuniary interest therein