Exhibit 4.3 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement ("Agreement") is entered into as of the 23rd day of July, 2004, by and among SRKP 1, Inc., a Delaware corporation (the "Company"), and the undersigned parties listed under...Registration Rights Agreement • March 30th, 2005 • SRKP 1 Inc • Blank checks • New York
Contract Type FiledMarch 30th, 2005 Company Industry Jurisdiction