Company Presentation & KOL Webinar MDNA11 Clinical Data Update 10 December 2025 ESMO-IO Congress 2025 Disclaimer Certain statements in this presentation may constitute "forward-looking statements" under applicable securities laws. These forward-looking statements include, but are not limited to, information about possible or assumed future results of the Medicenna Therapeutics Corp's (the "Company" or "Medicenna") business, clinical trials, drug development, financial condition, results of operations, liqui ...

Pipeline and Programs - MacroGenics' cash runway is extended through the first half of 2027[9, 10] - Lorigerlimab shows a confirmed Objective Response Rate (ORR) of 25.7% and a PSA50 response rate of 28.6% in mCRPC patients[23] - MGC026, a B7-H3 directed program, is in Phase 1 dose escalation, with dose expansion anticipated in selected indications in 2025[43] - MGC028, an ADAM9 ADC, shows potent anti-tumor activity in preclinical models, with a Phase 1 dose escalation study ongoing[50] - MGD024, a CD123 × CD3 DART molecule, is in Phase 1 dose escalation in hematological malignancies, with a Gilead collaboration commenced in October 2022[60] Financials and Partnerships - MacroGenics received $365 million in upfront and milestone payments[12] - MacroGenics is eligible to receive up to $210 million in potential regulatory milestones and up to $330 million in potential commercial milestones[12] - MacroGenics could receive 15-24% tiered royalty (after 20x cap reached)[12] - As of March 31, 2025, MacroGenics had $154.1 million in cash, cash equivalents, and marketable securities[9, 11, 72] - A $70 million upfront payment was received in June 2025[9, 12]