Mimecast Limited Announces Pricing of Initial Public Offering

Watertown, MA (November 18, 2015) – Mimecast Limited today announced the pricing of its initial public offering of 7,750,000 ordinary shares at a price to the public of $10 per share. All of the shares are being offered by Mimecast. In addition, Mimecast has granted the underwriters a 30-day option to purchase up to an additional 591,000 shares from the company, and up to an additional 571,500 shares from certain selling shareholders. The shares are scheduled to begin trading on the Nasdaq Global Select Market under the ticker symbol “MIME” on November 19, 2015.  The offering is expected to close on November 24, 2015.

Goldman, Sachs & Co. is acting as lead book-running manager, and Barclays Capital Inc., Jefferies LLC and RBC Capital Markets, LLC are acting as book-running managers. Oppenheimer & Co. Inc. is acting as co-manager.

A final prospectus for the offering, when available, may be obtained from Goldman, Sachs & Co., Attention: Prospectus Department, 200 West Street, New York, NY 10282, telephone: (866) 471-2526, facsimile: (212) 902-9316, or by emailing: prospectus-ny@ny.email.gs.com, from Barclays Capital Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, telephone: (888) 603-5847 or by mailing: barclaysprospectus@broadridge.com, from Jefferies LLC, Attention: Prospectus Department, 520 Madison Avenue, New York, NY 10022, telephone (877) 821-7388 or by emailing: prospectus_department@jefferies.com, and from RBC Capital Markets, LLC, 200 Vesey Street, 8th Floor, New York, NY 10281-8098; Attention: Equity Syndicate; Phone: 877-822-4089; Email: equityprospectus@rbccm.com.

A registration statement relating to these securities was filed with, and declared effective by, the Securities and Exchange Commission. The registration statement can be accessed through the SEC’s website at www.sec.gov. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor may there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Mimecast
Mimecast makes business email and data safer for more than 15,000 customers and millions of employees worldwide. Founded in 2003, the company’s cloud-based security, archiving and continuity services protect email, and deliver comprehensive email risk management in a single, fully-integrated subscription service.

Investor contact:
Robert Sanders
Mimecast
Tel: (+1) (800) 614-4530
Email: investors@mimecast.com

or

Financial Media Relations contact:
Kim Paone
Highwire PR
Tel: (+1) (415) 963-4174 ext 9
Email: kim@highwirepr.com

Disclaimer: Press releases are provided for historical purposes only. The information contained in each is accurate only as of the date the press release was originally issued.