LAUSANNE, Switzerland, April 1, 2026 /PRNewswire/ -- ADC Therapeutics SA (NYSE:ADCT), a commercial-stage global leader and pioneer in the field of antibody drug conjugates (ADCs), today announced that the Company has made a grant of options to purchase an aggregate of 17,000 of the Company's common shares to a new employee on April 1, 2026 ("Grant").

The Grant was offered as material inducement to the employee's employment. The Grant was approved by the Compensation Committee of the Company's Board of Directors pursuant to the Company's Inducement Plan to motivate and reward the recipients to perform at the highest levels and contribute significantly to the success of the Company. The Grant was made in reliance on the employment inducement exemption under the NYSE's Listed Company Manual Rule 303A.08.

The Company is issuing this press release pursuant to Rule 303A.08. The Grant shall vest and become exercisable 25% on the first anniversary of the grant date, and 1/48th of the aggregate number of shares subject to the award on each monthly anniversary of the grant date thereafter, such that the entire award will be vested as of the fourth anniversary of the grant date, subject to continued employment with the Company.

About ADC Therapeutics

ADC Therapeutics (NYSE:ADCT) is a commercial-stage global leader and pioneer in the field of antibody drug conjugates (ADCs), transforming treatment for patients through our focused portfolio with ZYNLONTA (loncastuximab tesirine-lpyl).

ADC Therapeutics' CD19-directed ADC ZYNLONTA received accelerated approval by the FDA and conditional approval from the European Commission for the treatment of relapsed or refractory diffuse large B-cell lymphoma after two or more lines of systemic therapy. ZYNLONTA is also in development in combination with other agents and in earlier lines of therapy.

Headquartered in Lausanne (Biopôle), Switzerland, with operations in New Jersey, ADC Therapeutics is focused on driving innovation in ADC development with specialized capabilities from clinical to manufacturing and commercialization. Learn more at adctherapeutics.com and follow us on LinkedIn.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. In some cases you can identify forward-looking statements by terminology such as "may", "will", "should", "would", "expect", "intend", "plan", "anticipate", "believe", "estimate", "predict", "potential", "seem", "seek", "future", "continue", or "appear" or the negative of these terms or similar expressions, although not all forward-looking statements contain these identifying words. Forward-looking statements are subject to certain risks and uncertainties that can cause actual results to differ materially from those described. Factors that may cause such differences include, but are not limited to: the timing of the PFS events and topline data release for LOTIS-5 and the results of the trial, the timing for the sBLA submission, acceptance and outcome of review of the sBLA submission, and full FDA approval; the Company's ability to grow ZYNLONTA® revenue in the United States and potential peak revenue; whether future LOTIS-7 clinical trial results will be consistent with or different from the LOTIS-7 data presented by the Company on December 3, 2025, the timing, publication and outcome of the full LOTIS-7 trial, compendia inclusion and regulatory strategy and the commercial opportunity; expected cash runway at least to 2028 which assumes use of minimum liquidity amount required to be maintained under its loan agreement covenants; the ability of our partners to commercialize ZYNLONTA® in foreign markets, the timing and amount of future revenue and payments to us from such partnerships and their ability to obtain regulatory approval for ZYNLONTA® in foreign jurisdictions; the timing and results of the Company's clinical trials; the timing, publication and results of investigator-initiated trials including those studying FL and MZL and the potential regulatory and/or compendia strategy and the future opportunity; the timing and outcome of regulatory submissions for the Company's products or product candidates; actions by the FDA or foreign regulatory authorities; projected revenue and expenses; the Company's indebtedness, including HealthCare Royalty Management and Blue Owl and Oaktree facilities, and the restrictions imposed on the Company's activities by such indebtedness, the ability to comply with the terms of the various agreements and repay such indebtedness, the impact on our future revenue streams, and the significant cash required to service such indebtedness; the impact, if any, from the amendment to the agreement with HealthCare Royalty Management and our strategic alternatives; the Company's ability to obtain financial and other resources for its research, development, clinical, and commercial activities; and the uncertainties of international trade policies, including tariffs, sanctions, trade barriers and most favored nation drug pricing and the potential impact they may have on our business, financial condition, and results of operations. Additional information concerning these and other factors that may cause actual results to differ materially from those anticipated in the forward-looking statements is contained in the "Risk Factors" section of the Company's Annual Report on Form 10-K and in the Company's other periodic and current reports and filings with the U.S. Securities and Exchange Commission. These statements involve known and unknown risks, uncertainties and other factors that may cause actual results, performance, achievements or prospects to be materially different from any future results, performance, achievements or prospects expressed in or implied by such forward-looking statements. The Company cautions investors not to place undue reliance on the forward-looking statements contained in this document.

CONTACTS:

Investors and Media

Nicole Riley

ADC Therapeutics

Nicole.Riley@adctherapeutics.com

+1 862-926-9040

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SOURCE ADC Therapeutics SA

ADC Therapeutics Announces New Employee Inducement Grant