Seres Therapeutics to Host Fourth Quarter 2023 Financial Results and Operational Progress Conference Call and Webcast on March 5, 2024

Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that management will host a conference call and live audio webcast on March 5, 2024 at 8:30 a.m. ET to discuss fourth quarter and full year 2023 results and provide a general business update.

To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 4030622. To join the live webcast, please visit the “Investor and News” section of the Seres website at www.serestherapeutics.com.

A webcast replay will be available on the Seres website beginning approximately two hours after the event and will be archived for approximately 21 days.

About Seres Therapeutics

Seres Therapeutics, Inc. (Nasdaq: MCRB) is a commercial-stage company developing novel microbiome therapeutics for serious diseases. Seres’ lead program, VOWST™, obtained U.S. FDA approval in April 2023 as the first orally administered microbiome therapeutic to prevent recurrence of C. difficile infection (CDI) in adults following antibacterial treatment for recurrent CDI and is being commercialized in collaboration with Nestlé Health Science. Seres is evaluating SER-155 in a Phase 1b study in patients receiving allogeneic hematopoietic stem cell transplantation. For more information, please visit www.serestherapeutics.com.

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Investor and Media: Rob Windsor [e-mail]