05 Dec 2018

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION AS DEFINED UNDER THE MARKET ABUSE REGULATION (EU) NO. 596/2014 ("MAR"). UPON PUBLICATION OF THIS ANNOUNCEMENT THIS INFORMATION IS NOW CONSIDERED IN THE PUBLIC DOMAIN.

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Mereo BioPharma Group plc

("Mereo" or the "Company")

Mereo Biopharma and Oncomed Pharmaceuticals Joint Conference Call

To be effected by an all-stock transaction plus issuance of Contingent Value Rights (“CVRs”); completion expected H1 2019 

Deal broadens asset and shareholder base and extends Enlarged Group cash runway 

Enlarged Group expects to launch new NASDAQ-Listed ADR programme 

Conference call and webcast today with Dr Denise Scots-Knight and Dr John Lewicki, 8:30 a.m. ET / 1:30 p.m. GMT