Exhibit 10.28 ASSIGNMENT OF RIGHTS IN STOCK PURCHASE AGREEMENT WHEREAS: a. On January 31, 2000, William McKay entered into a Stock Purchase Agreement (the "Agreement") with Smith Acquisition Company, Inc., d/b/a Southwest Products Company, Inc. (the...Assignment of Rights in Stock Purchase Agreement • May 15th, 2000 • Sunbase Asia Inc • Crude petroleum & natural gas
