Exhibit 2.4 PARTNERSHIP INTEREST PURCHASE AGREEMENT THIS PARTNERSHIP INTEREST PURCHASE AGREEMENT (this "Agreement") is made and entered into as of the 1st day of March, 2006, between, David M. Klausmeyer ("Seller"), and Sand Hills Partners L.L.C., a...Partnership Interest Purchase Agreement • March 24th, 2006 • Sand Hills Partners, LLC • Blank checks • Texas
