TSX: SPF.UN CALGARY, June 7 /CNW/ - Superior Plus Income Fund (the "Fund") announced today that ERCO Worldwide, a division of Superior Plus Inc., has successfully closed the acquisition of the chloralkali business in Port Edwards, Wisconsin from Basic Chemicals Company, LLC, an affiliate of Occidental Chemical Corporation, for approximately U.S. $29.5 million on a debt free basis, subject to certain adjustments. The acquisition was previously announced on April 12, 2005. As previously reported, the Business is the second largest producer of potassium products in North America and has a strong competitive position with a track record of stable cash flow. Approximately 70% of its gross profit is derived from the production of potassium hydroxide (KOH) and potassium carbonate, used in various end-use applications including making agricultural chemicals, soaps, detergents, de-icing chemicals, and as electrolyte in alkaline batteries. In addition, it produces caustic soda, chlorine and hydrochloric acid, which are also produced at ERCO Worldwide's Saskatoon plant. In commenting on the acquisition, Geoffrey N. Mackey, President and CEO of Superior Plus Inc., stated that: "The acquisition is expected to be accretive to the Fund's distributions per trust unit. It is an important step towards expanding and diversifying ERCO Worldwide's operations and product line in North America. In addition, ERCO Worldwide continues to focus on increasing its operational efficiencies and pursuing other opportunities in the growing Asian and South American markets." The Fund holds 100% of Superior Plus Inc., which has four operating divisions: Superior Propane is Canada's largest distributor of propane, related products and services; ERCO Worldwide is a leading supplier of chemicals and technology to the pulp and paper and water treatment industries; Winroc is the seventh largest distributor of walls and ceilings construction products in North America; and Superior Energy Management provides fixed price natural gas supply services in Ontario and Quebec. The Fund's trust units trade on the Toronto Stock Exchange (the "TSX") under the trading symbol SPF.UN. There are 77.9 million trust units outstanding. The Fund has $10.4 million principal amount of Series 1, and $66.9 million of Series 2, 8% Convertible Unsecured Subordinated Debentures outstanding, that trade on the TSX under the trading symbols SPF.DB and SPF.DB.A, respectively. Forward Looking Statements: Except for the historical and present factual information, certain statements contained herein are forward-looking. Such forward-looking statements are not guarantees of future performance and involve a number of known and unknown risks and uncertainties which may cause the actual results of the Fund or Superior Plus Inc. in future periods to differ materially from any projections expressed or implied by such forward- looking statements and therefore should not be unduly relied upon. Any forward-looking statements are made as of the date hereof and neither the Fund nor Superior Plus undertakes any obligation to publicly update or revise such statements to reflect new information, subsequent events or otherwise.

