Investor Information

Notice: President and CEO of MedClean Technologies, Inc. Publishes Letter to Shareholders MedClean Technologies, Inc. is a publicly traded company on the OTC Bulletin Board under the ticker symbol MCLN. Further information about MedClean can be found in our filings with the Securities and Exchange Commission through the SEC EDGAR Database. A copy of our prospectus dated September 21, 2009 is available by clicking here: MCLN Prospectus. A copy of our prospectus dated September 25, 2009 is available by clicking here: MCLN Prospectus. A copy of our Code of Business Conduct and Ethics dated November 2008 is available by clicking here: Code of Business Conduct and Ethics.

MedClean Technologies 3 Trowbridge Drive, Bethel, Connecticut 06801 Toll-Free: 800.360.3444 Direct: 203.798.1080 Fax: 203.798.0147

Investors may also contact our investor relations firm: Hayden IR, Cameron Donahue Phone: 651.653.1854 Mobile: 651.707.3532 Email: cameron@haydenir.com

For questions regarding address changes, lost certificates and other administrative matters, please contact our transfer agent: Securities Transfer Corporation 2591 Dallas Parkway Frisco, Texas 75034 Phone: 469.633.0101

Statements about our future expectations are "forward-looking statements" within the meaning of applicable Federal Securities Laws, and are not guarantees of future performance. When used herein, the words "may," "will," "should," "anticipate," "believe," "appear," "intend," "plan," "expect," "estimate," "approximate," and similar expressions are intended to identify such forward-looking statements. These statements involve risks and uncertainties inherent in our business including those set forth in our most recent Annual Report on Form 10-K for the year ended December 31, 2007, filed with the SEC on March 31, 2008, and other filings with the SEC, and are subject to change at any time. Our actual results could differ materially from these forward-looking statements. We undertake no obligation to update publicly any forward-looking statement.