Exhibit (a)(1)(F)

Form of Reminder Email to Eligible Participants Regarding the Expiration of the Exchange Offer

From: AwardTraq Exchange

Subject: Exchange Offer Reminder

Hello [First Name],

We are sending this email to remind you that the previously announced Offer to Exchange Eligible Options for New Options (the “Exchange Offer”) is still open and you are able to make an election until 4pm ET on April 3, 2023 unless extended by ADC Therapeutics in accordance with the Offer to Exchange. Please read the Offer to Exchange Eligible Options for New Options, dated March 6, 2023, which is Exhibit (a)(1)(A) to the Tender Offer Statement on Schedule TO filed with the U.S. Securities and Exchange Commission on March 6, 2023 (the “Schedule TO”), the Schedule TO and all other exhibits to the Schedule TO (the foregoing documents, collectively, the “Offering Documents”), which contain the rules, procedures and other information related to this Exchange Offer. The Offering Documents can be accessed at ir.adctherapeutics.com/sec-filings/default.aspx or through the SEC website at www.sec.gov. We will send a copy of all documents, free of charge, to any employee that requests them from hr@adctherapeutics.com.

An email with the link and instructions to access the Election Form via the Exchange Portal was also previously sent to you on Monday, March 6^th, 2023. For your convenience you may access your Election Form through the Exchange Portal here: exchange.awardtraq.com

For any questions, please contact hr@adctherapeutics.com.

This notice does not constitute an offer. The full terms of the Exchange Offer are described in the Offering Documents, which can be accessed at ir.adctherapeutics.com/sec-filings/default.aspx or through the SEC website at www.sec.gov. Capitalized terms used but not otherwise defined in this email shall have the meanings set forth in the Offering Documents.

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