TARA · Protara Therapeutics, Inc.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.03 to $4.14, inclusive. The reporting person undertakes to provide to TARA, any security holder of TARA, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

25% of the shares underlying the option vested on January 19, 2025 and the remaining shares have vested or will vest in equal monthly installments thereafter over the following 36 months, subject to the Reporting Person's continuous service with the Issuer as of each such date.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

1. Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of Restricted Stock Unit Awards granted to the Reporting Person on June 2, 2025.

The sale reported on this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan established by the reporting person on December 31, 2025.

The sale reported on this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan established by the reporting person on December 31, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.25 to $5.31, inclusive. The reporting person undertakes to provide to TARA, any security holder of TARA, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of a Restricted Stock Unit Award granted to the Reporting Person on January 24, 2025.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of a Restricted Stock Unit Award granted to the Reporting Person on January 24, 2025.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of a Restricted Stock Unit Award granted to the Reporting Person on January 24, 2025.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of a Restricted Stock Unit Award granted to the Reporting Person on January 24, 2025.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of Restricted Stock Unit Awards granted to the Reporting Person on January 19, 2023 and January 19, 2024.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of Restricted Stock Unit Awards granted to the Reporting Person on January 19, 2023 and January 19, 2024.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of a Restricted Stock Unit Award granted to the Reporting Person on January 19, 2024.

Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of Restricted Stock Unit Awards granted to the Reporting Person on January 19, 2023 and January 19, 2024.

25% of the shares vest on the one year anniversary of January 16, 2026 and 1/48th of the shares vest monthly thereafter over the next three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.

25% of the shares vest on the one year anniversary of January 16, 2026 and 1/48th of the shares vest monthly thereafter over the next three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.

The shares being reported are being issued pursuant to restricted stock unit awards (RSUs), each of which represents a contingent right to receive one share of Issuer's common stock. The RSUs vest in equal one third installments on the first, second and third anniversaries of January 16, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such date.

The shares being reported are being issued pursuant to restricted stock unit awards (RSUs), each of which represents a contingent right to receive one share of Issuer's common stock. The RSUs vest in equal one third installments on the first, second and third anniversaries of January 16, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such date.

25% of the shares vest on the one year anniversary of January 16, 2026 and 1/48th of the shares vest monthly thereafter over the next three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.

The shares being reported are being issued pursuant to restricted stock unit awards (RSUs), each of which represents a contingent right to receive one share of Issuer's common stock. The RSUs vest in equal one third installments on the first, second and third anniversaries of January 16, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such date.

The shares being reported are being issued pursuant to restricted stock unit awards (RSUs), each of which represents a contingent right to receive one share of Issuer's common stock. The RSUs vest in equal one third installments on the first, second and third anniversaries of January 16, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such date.

The shares being reported are being issued pursuant to restricted stock unit awards (RSUs), each of which represents a contingent right to receive one share of Issuer's common stock. The RSUs vest in equal one third installments on the first, second and third anniversaries of January 16, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such date.

The shares being reported are being issued pursuant to restricted stock unit awards (RSUs), each of which represents a contingent right to receive one share of Issuer's common stock. The RSUs vest in equal one third installments on the first, second and third anniversaries of January 16, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such date.

25% of the shares vest on the one year anniversary of January 16, 2026 and 1/48th of the shares vest monthly thereafter over the next three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.

25% of the shares vest on the one year anniversary of January 16, 2026 and 1/48th of the shares vest monthly thereafter over the next three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.

25% of the shares vest on the one year anniversary of January 16, 2026 and 1/48th of the shares vest monthly thereafter over the next three years, subject to the Reporting Person's continuous service with the Issuer as of each such date.

On June 24, 2025, the reporting person transferred 300,000 shares of common stock to The Samhold Family Trust for no consideration. Members of the reporting person's immediate family are the sole beneficiaries of the trust and a member of the reporting person's immediate family serves as a trustee thereof. The reporting person remains the beneficial owner of the securities held by the trust.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.

The shares subject to the Annual Grant will vest in full upon the first anniversary of the date of grant, subject to the Eligible Director's continuous service as a member of the Board through such vesting date and will vest in full upon a Change of Control.