

Before you invest, you should read the prospectus in the shelf registration statement and other documents the Company has filed with the SEC for more complete information about the Company and the Offering. Securities and Exchange Commission (" SEC") to which this communication relates. The Offering is being made pursuant to an effective shelf registration statement (including a prospectus) filed by the Company with the U.S. The underwriter proposes to offer the shares of Common Stock from time to time for sale in one or more transactions on the Nasdaq Global Select Market, in the over-the-counter market, through negotiated transactions or otherwise at market prices prevailing at the time of sale, at prices related to prevailing market prices or at negotiated prices. Jefferies LLC is acting as the sole underwriter of the Offering.

The Company is not selling any shares of Common Stock in the Offering and will not receive any proceeds from the Offering. The Selling Stockholders will receive all of the proceeds from the Offering.

The underwriter has a 30-day option to purchase up to an additional 525,000 shares of Common Stock at the public offering price, less underwriting discounts and commissions.
