QualSec (OTCBB: QLSC) –QualSec, developer of the NanoNose, is pleased to announce it has hired a new head for its financial team. Mark MacDonald joins QualSec as Director of Finance. Mr. MacDonald has been the Accounting Manager and Financial Analyst at US Flue-Cured Tobacco Growers, Inc. for two years, prior to which he served in the financial departments at Ganymede Software and NetIQ. He is completing a B.S.B.A. in Business at UNC Chapel Hill, concentrating in Entrepreneurial Finance. “Mr. MacDonald’s experience in managing business finance will be vital in our continued growth,” says QualSec CEO J.E. Hand. QualSec’s NanoNose is the next generation of electronic nose (eNose) technology, employing proprietary nanotechnology breakthroughs to instantaneously analyze and quantify airborne particles for the homeland security, health care, environmental, petrochemical, and food industries. For further details on the company and its products please visit the company’s website at www.qualsensors.com. QualSec believes that this press release contains forward-looking statements as that term is defined by the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to risks and uncertainties. Such statements are based on management’s current expectations and are subject to facts that could cause results to differ materially from the forward-looking statements. For further information you are encouraged to view QualSec’s filings with the Securities and Exchange Commission, including its annual report on Form 10K for the period ending December 31, 2007. The Company assumes no obligation to update the information contained in this press release.