PCSA · Processa Pharmaceuticals, Inc.

Distribution of time-based service award.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Distribution of time-based service award.

Each share of Series A Non-Voting Convertible Preferred Stock (the "Series A Preferred Stock") is convertible into 1,000 shares of common stock of Processa Pharmaceuticals, Inc. (the "Company"). The Preferred Stock has no expiration date.

Received in exchange for shares of common stock of Vidya Therapeutics, Inc. ("Vidya") pursuant to an Agreement and Plan of Merger, dated July 28, 2026 (the "Merger Agreement"), by and among the Company, Vidya, Venus Merger Sub I, Inc., a Delaware corporation and a wholly owned subsidiary of the Company ("Merger Sub I"), Venus Merger Sub II, LLC, a Delaware limited liability company and wholly owned subsidiary of the Company ("Merger Sub II"), at an exchange ratio of 162.811 shares of Vidya common stock for each share of Company common stock.

Under the terms of the Merger Agreement, on July 28, 2026, Merger Sub I merged with and into Vidya, with Vidya surviving the first merger as a wholly owned subsidiary of the Company, and immediately following the first merger, Vidya merged with and into Merger Sub II, with Merger Sub II surviving the second merger as a wholly owned subsidiary of the Company (such mergers, the "Merger"). Upon the closing of the Merger, shares of outstanding common stock of Vidya converted into the right to receive shares of the Company's Series A Preferred Stock in accordance with the Merger Agreement. Subject to certain conditions set forth in the Certificate of Designation of Preferences, Rights and Limitations of the Series A Preferred Stock, each share of Series A Preferred Stock is convertible into 1,000 shares of the Company's common stock.

Each share of Series A Non-Voting Convertible Preferred Stock (the "Series A Preferred Stock") is convertible into 1,000 shares of common stock of Processa Pharmaceuticals, Inc. (the "Company"). The Preferred Stock has no expiration date.

Received in exchange for shares of common stock of Vidya Therapeutics, Inc. ("Vidya") pursuant to an Agreement and Plan of Merger, dated July 28, 2026 (the "Merger Agreement"), by and among the Company, Vidya, Venus Merger Sub I, Inc., a Delaware corporation and a wholly owned subsidiary of the Company ("Merger Sub I"), Venus Merger Sub II, LLC, a Delaware limited liability company and wholly owned subsidiary of the Company ("Merger Sub II"), at an exchange ratio of 162.811 shares of Vidya common stock for each share of Company common stock.

Under the terms of the Merger Agreement, on July 28, 2026, Merger Sub I merged with and into Vidya, with Vidya surviving the first merger as a wholly owned subsidiary of the Company, and immediately following the first merger, Vidya merged with and into Merger Sub II, with Merger Sub II surviving the second merger as a wholly owned subsidiary of the Company (such mergers, the "Merger"). Upon the closing of the Merger, shares of outstanding common stock of Vidya converted into the right to receive shares of the Company's Series A Preferred Stock in accordance with the Merger Agreement. Subject to certain conditions set forth in the Certificate of Designation of Preferences, Rights and Limitations of the Series A Preferred Stock, each share of Series A Preferred Stock is convertible into 1,000 shares of the Company's common stock.

The Reporting Person is Co-Portfolio Manager and has membership interest in SilverArc Private Capital I, LLC (Ultimate General Partner), SilverArc Private Capital I, LP (General Partner), and SilverArc Private Capital Management I, LP (Management Company) for SilverArc Private Fund I, L.P. The Reporting Person may not be deemed to have voting or investment power over the shares held of record by SilverArc Private Fund I, LP. The Reporting Person disclaims beneficial ownership of such securities held of record by SilverArc Private Fund I, L.P., except to the extent of any pecuniary interest therein.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. These RSUs vested upon grant, but will not be distributed until the earlier of: (i) their termination; (ii) six month anniversary of the grant date; (iii) change of control; or (iv) their death.

Reflects the 1-for-25 reverse stock split effected by the Issuer on December 17, 2025.

Distribution of time-based service award.

Distribution of time-based service award.

Distribution of time-based service award.

Distribution of time-based service award.

Distribution of time-based service award.

Distribution of time-based service award.

Distribution of time-based service award.

Distribution of time-based service award.

Shares adjusted to correct immaterial errors made on the Form 4 filed on May 1, 2026. The corrected price per share for the purchase made on April 30, 2026 is $2.71, not $2.69, which reduces the amount purchased on April 30, 2026 by 15 shares.

Shares adjusted to correct immaterial errors made on the Form 4 filed on May 1, 2026. The corrected price per share for the purchase made on April 30, 2026 is $2.71, not $2.69, which reduces the amount purchased on April 30, 2026 by 13 shares.

Shares adjusted to correct immaterial errors made on the Form 4 filed on May 1, 2026. The corrected price per share for the purchase made on April 30, 2026 is $2.71, not $2.69, which reduces the amount purchased on April 30, 2026 by 13 shares.

Shares adjusted to correct immaterial errors made on the Form 4 filed on May 1, 2026. The corrected price per share for the purchase made on April 30, 2026 is $2.71, not $2.69, which reduces the amount purchased on April 30, 2026 by 11 shares.

Shares adjusted to correct immaterial errors made on the Form 4 filed on May 1, 2026. The corrected price per share for the purchase made on April 30, 2026 is $2.71, not $2.69, which reduces the amount purchased on April 30, 2026 by 16 shares.

Shares adjusted to correct immaterial errors.