EXHIBIT 99.1Joint Filing Agreement • February 13th, 2008 • Renaissance Technologies LLC • Biological products, (no disgnostic substances)
In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the undersigned agrees to the filing on behalf of each of a Statement on Schedule 13G, and all amendments thereto, with respect to the shares of Common Stock $.001 par value of NPS PHARMACEUTICALS, INC.
