MIME 2017 Annual Report

95 Incorporated by Reference Exhibit Description Schedule/ Form File Number Exhibit File Date (mm/dd/yyyy) 10.13 Lease, dated November 12, 2012, by and between Mimecast North America, Inc. and Farley White Aetna Mills, LLC F-1 333-207454 10.3 10/16/2015 10.14 First Amendment to Lease, dated October 19, 2015, by and between Mimecast North America, Inc. and Riverworks Watertown Holdings, LLC (as successor in interest to Farley White Aetna Mills, LLC) 20-F 001-37637 4.9.1 05/25/2016 10.15* Second Amendment to Lease dated as of May 26, 2017 by and between Mimecast North America, Inc. and Whetstone Riverworks Holdings, LLC (as successor in interest to Riverworks Watertown Holdings, LLC and Farley White Aetna Mills, LLC) Agreement of Lease, dated June 24, 2013, by and between Mimecast South Africa (Pty) Ltd and City Square Trading 522 (Pty) Ltd F-1 333-207454 10.4 10/16/2015 10.17 Lease dated February 17, 2017 by and between Mimecast North America, Inc. and 191 Spring Street Trust 20-F 001-37637 4.11 05/26/2017 10.18 Underlease dated April 21, 2017 by and between Simmons & Simmons LLP, Mimecast Services Limited and Mimecast Limited 20-F 001-37637 4.12 05/26/2017 10.19 Lease Agreement dated January 4, 2013 between PCPI UT Owner, LP, as successor-in-interest, and Mimecast North America, Inc., as amended by Amendment No. 1 dated March 24, 2016 and Amendment No. 2 dated April 18, 2017 20-F 001-37637 4.13 05/26/2017 10.20* Agreement for Lease dated as of January 2, 2018 by and between Bluebutton Developer Company (2012) Limited, Bluebutton Properties UK Limited, B.L.C.T. (PHC 15A) Limited, Mimecast Services Limited, and the Company, and the related Underleases 10.21* # Amended and Restated Employment Agreement dated as of September 2, 2015 between Mimecast North America, Inc. and Peter C. Bauer 10.22* # Service Agreement dated as of 22 December 2009 between Mimecast UK Limited (formerly Mimecast Limited) and Neil Murray, as amended by that certain Deed of Amendment dated as of June 12, 2015 10.23* # Employment Agreement dated as of June 12, 2015 between Mimecast North America, Inc. and Peter Campbell 10.24* # Offer Letter dated July 9, 2015 between Mimecast North America, Inc. and Edward Jennings 10.25* # Offer Letter dated July 22, 2016 between Mimecast North America, Inc. and Robert P. Nault

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