Dynasil Ranked Number 175 Fastest Growing Company in North America on Deloitte’s 2010 Technology Fast 500™

Dynasil Corporation of America (OTCBB: DYSL.OB) today announced that it was recognized as one of the 500 fastest-growing technology companies in North America, ranked 175th on Deloitte LLP’s 2010 Technology Fast 500™, a ranking of the 500 fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. Rankings are based on percentage of fiscal year revenue growth during the five year period from 2005—2009. Dynasil revenue grew 577 percent during this period.

“The tremendous growth and success of our company is a testament to the great people that I’m privileged to work with every day,” said Dynasil’s president and chief executive officer, Craig T. Dunham. “The company’s 577 percent revenue growth achievement reflects the strength of our diversified product portfolio, bolstered by innovation, commercial initiatives, and operational excellence. “We are honored to make the Deloitte 2010 Technology Fast 500™ list. Dynasil constantly strives to introduce innovative products that anticipate our customers’ needs. We are very excited about our portfolio of products and technologies for the coming year and we continue to see exceptional opportunity for continued growth and profitability across our businesses.”

“Dynasil and the other 2010 Technology Fast 500™ winners forged ahead in a challenging economic environment to realize exceptional growth,” said Phil Asmundson, vice chairman and Deloitte’s U.S. technology, media and telecommunications leader. “Deloitte commends Dynasil for this impressive accomplishment.”

“Dynasil has proved itself to be one of the fastest growing tech companies in North America, and we are proud to honor them as one of the 2010 Technology Fast 500™,” said Mark Jenson, managing partner, venture capital services, Deloitte & Touche LLP.

Dynasil previously ranked 207 as a Technology Fast 500™ award winner for 2009.

For additional detail on the Technology Fast 500™ including selection and qualifying criteria, visit www.fast500.com.

About Dynasil: Dynasil Corporation of America (OTCBB: DYSL), is a provider of technology, products, services and solutions aimed at making the world safer and healthier. The company supplies a broad range of customers by serving their specific needs in the medical, industrial, and homeland security/defense markets. The Company has operations in New Jersey, New York, Massachusetts and the UK.

As used in this document, “Deloitte” means Deloitte LLP. Please see www.deloitte.com/us/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.

This news release may contain forward-looking statements usually containing the words "believe," "expect," “plan”, “target”, “intend” or similar expressions. These statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act. Future results of operations, projections, and expectations, which may relate to this release, involve certain risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Factors that would cause or contribute to such differences include, but are not limited to, the factors detailed in the Company's Annual Report or Form 10-K, Quarterly Reports on Form 10-Q, as well as in the Company's other Securities and Exchange Commission filings, continuation of existing market conditions and demand for our products.