Imprivata Announces Closing of Initial Public Offering and Full Exercise of Over-Allotment Option by Underwriters

Lexington, Mass.—June 30, 2014Imprivata(R) (NYSE: IMPR) today announced the closing of its initial public offering of 5,750,000 shares of common stock at an initial public offering price of $15.00 per share, which included 750,000 shares sold pursuant to the full exercise of the underwriters' over-allotment option. All of the shares sold in the offering were sold by Imprivata. The company's common stock is listed on the New York Stock Exchange under the symbol "IMPR."

J.P. Morgan and Piper Jaffray acted as joint book-running managers for the offering. William Blair, Wells Fargo Securities and Stephens Inc. acted as co-managers.

A registration statement relating to these securities was declared effective by the Securities and Exchange Commission on June 24, 2014. This offering was made only by means of a prospectus. Copies of the registration statement and final prospectus relating to this offering may be accessed through the Securities and Exchange Commission's website at http://www.sec.gov, or requested by contacting: J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or by telephone at (866) 803-9204; or Piper Jaffray & Co., 800 Nicollet Mall, J12S03, Minneapolis, Minnesota 55402, or by telephone at (800) 747-3924, or by e-mail at pro[email protected] .

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.

About Imprivata

Imprivata is a leading provider of authentication and access management solutions for the healthcare industry. Imprivata's single sign-on, authentication management and secure communications solutions enable fast, secure and more efficient access to healthcare information technology systems to address multiple security challenges and improve provider productivity for better focus on patient care. For more information, please visit www.imprivata.com.

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