SCHEDULE 13G/A 0000950142-25-000298 0002054587 XXXXXXXX LIVE 1 Common shares, no par value 06/30/2025 0001997296 Medicus Pharma Ltd. 58471K202 300 Conshohocken State Road Suite 200 W. Conshohocken PA 19428 Rule 13d-1(d) John Hathaway X1 800952.00 0.00 800952.00 0.00 800952.00 N 4.5 IN Consists of 800,952 held by SkinJect Partners LLC, an entity controlled by John Hathaway. John Hathaway may be deemed the beneficial owner of securities held by SkinJect Partners LLC. John Hathaway disclaims beneficial ownership of such securities except to the extent of his direct ownership. SkinJect Partners LLC DE 800952.00 0.00 800952.00 0.00 800952.00 N 4.5 OO Medicus Pharma Ltd. 300 Conshohocken State Road, Suite 200, W. Conshohocken, PA 19428 This statement is being filed on behalf of each of the following persons (collectively, the "Reporting Persons"): (i) John Hathaway; and (ii) SkinJect Partners LLC. The principal business address of each of the Reporting Persons is as follows: 285 Kappa Drive, Suite 100 Pittsburgh, PA 15238 See Row (4) of each Reporting Person's cover page. Y SkinJect Partners LLC, an entity controlled by John Hathaway, directly owns 800,952 common shares of Medicus Pharma Ltd. (the "Company"). John Hathaway may be deemed the beneficial owner of securities held by SkinJect Partners LLC. John Hathaway disclaims beneficial ownership of such securities except to the extent of his direct ownership. See Row (11) of each Reporting Person's cover page. The percentages used herein are calculated based upon on aggregate of 17,816,266 common shares reported by the Company to be outstanding as of August 11, 2025, as reflected in the Company's Quarterly Report on Form 10-Q filed on August 11, 2025. See Row (5) of each Reporting Person's cover page. See Row (6) of each Reporting Person's cover page. See Row (7) of each Reporting Person's cover page. See Row (8) of each Reporting Person's cover page. N Y Y Y Y Y Y Exhibit 99.1: Joint Filing Agreement (previously filed as Exhibit 99.1 to the Schedule 13G filed on February 10, 2025, and incorporated herein by reference). John Hathaway /s/ John Hathaway 08/12/2025 SkinJect Partners LLC /s/ John Hathaway 08/12/2025