EXHIBIT 99.1 STOCK PURCHASE AGREEMENT ------------------------ Endologix, Inc. 13900 Alton Parkway, Suite 122 Irvine, CA 92618 Ladies & Gentlemen: The undersigned, S.A.C. Capital Associates, LLC (the "Investor"), hereby confirms its agreement with you...Stock Purchase Agreement • March 10th, 2004 • Endologix Inc /De/ • Surgical & medical instruments & apparatus • New York
