MIME 2017 Annual Report

97 SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized . Mimecast Limited Date: May 29, 2018 By: /s/ Peter Bauer Peter Bauer Chief Executive Officer Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of the Registrant in the capacities and on the dates indicated. Name Title Date /s/ Peter Bauer Chairman and Chief Executive Officer (Principal Executive Officer) May 29, 2018 Peter Bauer /s/ Peter Campbell Chief Financial Officer (Principal Financial and Accounting Officer) May 29, 2018 Peter Campbell /s/ Aron Ain Director May 29, 2018 Aron Ain /s/ Christopher FitzGerald Director May 29, 2018 Christopher FitzGerald /s/ Jeffrey Lieberman Director May 29, 2018 Jeffrey Lieberman /s/ Neil Murray Director May 29, 2018 Neil Murray /s/ Hagi Schwartz Director May 29, 2018 Hagi Schwartz /s/ Stephen M. Ward Director May 29, 2018 Stephen M. Ward