Advance Nanotech's Owlstone Granted Two Additional U.S. Patents

NEW YORK, NY, Apr 07 (MARKET WIRE) --
Advance Nanotech, Inc. (OTCBB: AVNA) announced today that its Owlstone
Nanotech, Inc. subsidiary has been been granted two additional patents by
the United States Patent office. This issuance brings the total issued
patent portfolio to four. Additionally, the Company has ten patent
applications submitted and awaiting response and four patent applications
pending submittal under PCT protection with the United States Patent and
Trademark Office.

The recently issued patents cover technology developed by Owlstone used in
both its core sensor system and surrounding components. The patents
describe several methods and embodiments of a microchip spectrometer and a
highly integrated means of sample ionization that fits within the confines
of a microchip -- sample ionization is a required functionality for
Owlstone's spectrometry solutions. In addition to utility within
Owlstone's products, the patented ionization technology could be of
benefit to other ion based analytical technologies.

About Advance Nanotech, Inc. and Owlstone Nanotech, Inc.

Advance Nanotech, Inc. (d/b/a Owlstone) is in the process of realigning
its business and becoming an operating company focused on its majority
owned subsidiary Owlstone Nanotech's next generation chemical detection
technology. Owlstone Nanotech, Inc. ("Owlstone") is a pioneer in the
commercialization of chemical detection products. The Owlstone detector is
a revolutionary dime-sized sensor that can be programmed to detect a wide
range of chemical agents that may be present in extremely small
quantities. Using leading-edge micro- and nano-fabrication techniques,
Owlstone has created a complete chemical detection sensor that is
significantly smaller and can be produced more cost effectively than
products using existing technology. There are numerous applications --
across industries from security and defense to industrial process, air
quality control and healthcare -- that depend on the rapid, accurate
detection and measurement of chemical compounds. Owlstone works with
market leaders within these industries to integrate the detector into
next generation chemical sensing products and solutions. Owlstone's
technology offers a unique combination of benefits, including small size,
low manufacturing costs, minimal power consumption, reduced
false-positives, and a customizable platform. For more information about
Advance Nanotech, Inc. and Owlstone, please visit
www.owlstonenanotech.com.

The information contained in this news release, other than historical
information, consists of forward-looking statements within the meaning of
Section 27A of the Securities Act of 1933 and Section 21E of the Exchange
Act of 1934. These statements may involve risks and uncertainties that
could cause actual results to differ materially from those described in
such statements. Although the Company believes that the expectations
reflected in such forward-looking statements are reasonable, it can give
no assurance that such expectations will prove to have been correct.
Important factors, including general economic conditions, spending
levels, market acceptance of product lines, the recent economic slowdown
affecting technology companies, the future success of scientific studies,
ability to successfully develop products, rapid technological change,
changes in demand for future products, legislative, regulatory and
competitive developments, the Company's ability to secure additional
working capital and/or generate sufficient cash flow to support its
operations, and other factors could cause actual results to differ
materially from the Company's expectations. Advance Nanotech's Annual
Report on Form 10-K, recent and forthcoming Quarterly Reports on Form
10-Q, recent Current Reports and other SEC filings discuss some of the
important risk factors that may affect Advance Nanotech's business,
results of operations and financial condition. The Company undertakes no
obligation to revise or update publicly any forward-looking statements
for any reason.

For more information, contact:

Investor Relations
Advance Nanotech, Inc.
(845) 533-4225
ir@advancenanotech.com

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