STEN Corporation Files Registration Statement for Subordinated Notes

MINNEAPOLIS, Feb. 23, 2007 -- STEN Corporation announced the filing of a registration statement with the Securities and Exchange Commission for the sale of up to $25 million of renewable unsecured subordinated notes with maturities from three months to ten years. Among other purposes, the Company intends to use the net proceeds from the offering to expand the automobile finance business area of its STEN Financial subsidiary.

STEN Corporation, headquartered in Minnesota, is a diversified business with a focus on developing its Colfax Financial Corporation automobile finance business. Colfax Financial serves the automobile finance business in the Arizona market. The Company also operates a chain of fast-food, drive-through restaurants under the Burger Time name. In addition, the Company provides contract manufacturing services and operates a check cashing and loan business based in Salt Lake City Utah.

STEN Corporation common stock is traded on the Nasdaq Capital Market under the symbol STEN. More information about STEN Corporation is available at the Company's website: http://www.stencorporation.com/ .

A registration statement relating to these securities has been filed with the Securities and Exchange Commission, but has not yet become effective. These securities may not be sold, nor may offers to buy be accepted prior to the time that the registration statement becomes effective. This news release does not constitute an offer to sell or the solicitation of an offer to buy the securities, nor shall there be any sale of the securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification of the securities under the laws of any such state. A copy of the prospectus, when available, may be obtained from Sumner Harrington Ltd., 11100 Wayzata Boulevard, Suite 170; Minneapolis, MN 55305.

This press release contains forward-looking statements within the meaning of the safe harbor provisions of Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), relating to future events or the future financial performance of the Company including statements with respect to growing the Company's automobile finance business. Such forward-looking statements are only predictions or statements of intention subject to risks and uncertainties and actual events or results could differ materially from those anticipated because of the risk factors described in the Company's registration statement and filings with the Securities and Exchange Commission, including, without limitation, the Company's reports on Form 10-KSB and Form 10-QSB. Because actual results may differ, shareholders and prospective investors are cautioned not to place undue reliance on such forward-looking statements which are qualified in their entirety by the risk factors referred to above.