XL TechGroup, Inc.

TyraTech product launch

XL TechGroup, Inc.
16 October 2007


Press Release                                                    16 October 2007



                               XL TechGroup, Inc.

                       ('XL TechGroup' or 'the Company')



                 Commercial launch of TyraTech's first product


XL TechGroup (AIM: XLT), the systematic architect and builder of an ongoing
stream of high value new companies, announces that XL TechGroup company,
TyraTech Inc. (AIM:TYR) ('TyraTech'), the pioneer of safer, effective and
natural pesticide products, has today announced the commercial launch and first
sales of its Crawling Insect Spray product.

A division of one of the largest US food service distributors has signed a
Florida distribution agreement with TyraTech and has placed its first order for
the spray.  The agreement will enable TyraTech to target hotels, restaurant
chains, hospitals, schools and other facilities across Florida.

Dr John Scott, CEO of XL TechGroup, said: 'The market launch of its first
product is an important milestone in the development of TyraTech.  There are a
variety of significant global markets where the need for safer, natural pest
control is both significant and growing, and we look forward to further
announcements from TyraTech over the coming months.'

The TyraTech Crawling Insect Spray uses a proprietary blend of natural plant
oils to deliver a superior combination of potent broad-spectrum insect control
coupled with improved safety to humans and animals.  TyraTech's formulation is
ideal for use by the hospitality industry and other markets linked to inhabited
spaces that require effective and responsible pest control, ensuring commitment
to customer and public health.

TyraTech's Crawling Insect Spray treats a range of common pests including:
cockroaches, drain flies, fruit flies, ants, bed bugs, dust mites and spiders.
Based on a proprietary blend of plant oils, the spray's active ingredients
selectively target sensitive receptors found only in invertebrates to ensure
fast, effective pest control.  Unlike synthetic chemical insecticides,
TyraTech's product is safer for regular use in places of high human exposure
including heavily trafficked public spaces as well as food preparation and
storage areas. The product can be used while people carry on their day-to-day
activities, eliminating the need for quarantine or evacuation that is required
with many chemical pesticides.


                                    - Ends -


For further information:
XL TechGroup Inc.
John Scott / Harold Gubnitsky                              Tel: +1 321 409 7403
[email protected]
Chris Munden, Director of Investor Relations          Tel: +44 (0) 20 7398 7720
[email protected]                                            www.xltechgroup.com


Nomura Code Securities
Richard Potts, Corporate Finance                      Tel: +44 (0) 20 7776 1200
                                                             www.nomuracode.com



XL TechGroup media enquiries:
Abchurch Communications
Heather Salmond / Gareth Mead                         Tel: +44 (0) 20 7398 7700
[email protected]                       www.abchurch-group.com



NOTES TO EDITORS

About XL TechGroup

XL TechGroup is in the business of significant value creation.  Working with
major international corporate and technology partners such as AES, Procter &
Gamble and leading universities, XL TechGroup first identifies global unmet
market needs and then targets and exploits these by the systematic creation of
successful, disruptive technology businesses.  These new companies are built
from scratch, and are then managed, developed and funded by XL TechGroup through
to the point of a trade sale or a stock market listing.

XL TechGroup's unique and proven methodology selects the best opportunities in
order to create one-to-two new companies annually, where each company is
expected to achieve a realisable valuation of at least US$400 million within
four years from its creation.  While an XL TechGroup company might perform a
stock market listing at an earlier point in this four year timeframe, XL
TechGroup would retain a controlling interest and would continue to assist with
the company's development.  It is XL TechGroup's aim to deliver significant
shareholder distributions at the final exit from each company.

XL TechGroup's companies to date are:

•   AgCert International plc (LSE: AGC, www.agcert.com)
•   TyraTech Inc. (AIM: TYR, www.tyratech.com)
•   DxTech LLC (www.dxtech.com)
•   PetroAlgae LLC (www.petroalgae.com)
•   QuoNova LLC (www.quonova.com)


XL TechGroup has also established GenXL LLC as a joint venture to capture the
value of those prospects that do not fully meet XL TechGroup's US$400 million,
four year criteria but still demonstrate considerable potential worth.  Over and
above XL TechGroup's core business model, GenXL is reviewing a significant flow
of opportunities from both XL TechGroup and GEN3 in order to generate new
companies, standalone product lines and technology licensing opportunities or an
appropriate mix of these.


For further information, see www.xltechgroup.com.


About TyraTech, Inc.

TyraTech is pioneering a new class of highly effective, non-toxic, pesticides
and anti-parasitic compounds to address global agriculture, horticulture,
functional foods, healthcare and veterinary markets.  Using a revolutionary
chemoreceptor screening process, TyraTech has identified proprietary blends of
natural oils that stimulate the reactions and biological behaviour of insects
and parasites so that they can be effectively repelled or killed.  TyraTech's
technology prevents the development of resistance and avoids the environmental
concerns and human health risks of chemical solutions whilst still being at
least, if not more, effective.

The Company's products have been validated through strong partnerships with
multinational conglomerates operating within a growing US$23 billion worldwide
market that is being increasingly driven by environmental legislation and
end-user demand.

TyraTech continues to develop new product applications based on safe, natural
ingredients with a broad range of partners around the world.

For further information, see www.tyratech.com.




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