[Form of Press Release]
Proteon Therapeutics, Inc.
(Proteon Therapeutics, Inc.) announced today that Stifel, Nicolaus & Company, Incorporated and JMP Securities, LLC, the book-running managing underwriters in the Companys recent public offering of shares of common stock, is [waiving] [releasing] a lock-up restriction with respect to shares of the Companys common stock held by [certain officers or directors] [an officer or director] of the Company. The [waiver] [release] will take effect on , 20 , and the shares may be sold on or after such date.
This press release is not an offer or sale of the securities in the United States or in any other jurisdiction where such offer or sale is prohibited, and such securities may not be offered or sold in the United States absent registration or an exemption from registration under the United States Securities Act of 1933, as amended.