FireEye Issues Secondary Public Offering

PRESS RELEASE

Milpitas, CA - Mar 6, 2014 – FireEye, Inc. (NASDAQ: FEYE), the leader in stopping today's advanced cyber attacks, today announced the pricing of its follow-on public offering of 14,000,000 shares of its common stock at a price to the public of $82.00 per share. Of the shares being offered, 5,582,215 are being offered by FireEye and the remaining shares are being offered by existing stockholders. FireEye will not receive any proceeds from the shares sold by existing stockholders. In addition, the underwriters have a 30-day option to purchase up to 2,100,000 additional shares of common stock from FireEye.

Morgan Stanley & Co. LLC, Barclays Capital Inc., J.P. Morgan Securities LLC, and Goldman, Sachs & Co. are acting as lead joint bookrunners for the offering, and UBS Securities LLC, Deutsche Bank Securities Inc., and Citigroup Global Markets Inc. are acting as book-running managers for the offering. Pacific Crest Securities LLC and Nomura Securities International, Inc. are acting as co-managers for the offering.

A registration statement relating to these securities has been filed with, and declared effective by, the Securities and Exchange Commission. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

The offering is being made only by means of a prospectus. A copy of the final prospectus related to the offering may be obtained, when available, from Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014; from Barclays Capital Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone:(888) 603-5847 or email: [email protected]; J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at (866) 803-9204; or from Goldman, Sachs & Co., Attention: Prospectus Department, 200 West Street, New York, NY 10282, by telephone: 1-866-471-2526, or email: [email protected].

About FireEye, Inc.

FireEye has invented a purpose-built, virtual machine-based security platform that provides real-time threat protection to enterprises and governments worldwide against the next generation of cyber attacks. These highly sophisticated cyber attacks easily circumvent traditional signature-based defenses, such as next-generation firewalls, IPS, anti-virus, and gateways. The FireEye Threat Prevention Platform provides real-time, dynamic threat protection without the use of signatures to protect an organization across the primary threat vectors and across the different stages of an attack life cycle. The core of the FireEye platform is a virtual execution engine, complemented by dynamic threat intelligence, to identify and block cyber attacks in real time. FireEye has over 1,900 customers across more than 60 countries, including over 130 of the Fortune 500.