Board Change

TYRATECH, INC.

("TyraTech" or "the Company")

Board Change

The Board of TyraTech, Inc. (AIM: TYR) a leading independent novel eco-technology company for human, animal and environmental health, announces that Keith Bigsby has decided to step down as Chief Financial Officer and has resigned as a director of the Company to pursue other opportunitieswith effect from 5 August 2010.

Keith Bigsby will continue to support the Company until the end of October or until a successor is found.

Alan Reade, Executive Chairman commented:

Keith has been a highly valued member of our management team and we wish him all the best in his future endeavours. I would like to thank his leadership in our initial public offering on AIM in 2007, in making great enhancements to our financial management and internal control systems, providing excellent support to the Company's commercial operations and building up strong relationships with the investment community. These achievements have formed a solid base for Tyratech going forward. His leadership will undoubtedly be missed."

Keith Bigsby commented:

"I wanted to thank Alan Reade, the Board, the Management team and all those whom I have worked with at TyraTech for the opportunity given to me and I am satisfied that I am leaving TyraTech in a very strong position with our current commercial relationships."

- Ends -

For further information please contact:

TyraTech Inc.

Alan Reade, Executive Chairman +1 321 409 7731

www.tyratech.com

Nomura Code Securities

Richard Potts +44 (0)20 7776 1200

www.nomuracode.com

Buchanan Communications

Lisa Baderoon/ Catherine Breen +44 (0)20 7466 5000

www.buchanan.uk.com