MERCATOR GROUP CLIENT HAMILTON THORNE INC. GOES PUBLIC IN CROSS BORDER TRANSACTION

 Wayland, MA, November 9, 2009 - Mercator Group LLC is pleased to announce that Hamilton Thorne, Inc. has completed a cross border merger with Calotto Capital, Inc.  As a result, Hamilton Thorne Inc. became a wholly-owned subsidiary of Hamilton Thorne, Ltd. (formerly Calotto), a publicly traded company listed on the TSX Venture Exchange (TSX Venture:HTL.V), and Hamilton Thorne's management will become the management of the Parent Company. 

Concurrent with the Merger, Hamilton Thorne, Inc. completed private placement and debt conversion financings in the gross amount of CDN$2,200,000.  Toronto-based Loewen, Ondaatje, McCutcheon Limited acted as sole agent in connection with the private placement.  Boston-based Rich May and Hennan Blaikie in Toronto acted as legal counsel to the company

Mercator provided financial advisory services to Hamilton Thorne, Inc. and in connection with the transaction, Mercator principal, David Wolf, has joined Hamilton Thorne as part-time member of the management team.  A copy of the press release describing the transaction in detail can be found at:  http://www.newswire.ca/en/releases/archive/November2009/02/c4691.html.

The Company will carry on the business of Hamilton Thorne Inc., a leading provider of advanced laser systems and instruments for the stem cell research and fertility clinic markets. Hamilton Thorne's novel miniaturized laser systems facilitate precise microsurgical procedures with stem cells and other living cells in commercial and research laboratories.

Hamilton Thorne, Inc., a wholly owned subsidiary of Hamilton Thorne, Ltd., will continue to be based in Beverly, MA. 

About Hamilton Thorne
Hamilton Thorne’s advanced laser systems and instruments are rapidly emerging as the dominant products to facilitate precise procedures in the stem cell research and fertility clinic markets. Hamilton Thorne’s lead products, the ZILOS-tk and XYClone laser systems, attach to standard inverted microscopes and operate as robotic micro-surgeons, significantly reducing time and increasing efficiency in key in-vitro fertilization, stem cell, embryo, reproductive toxicology and living cell procedures.

Hamilton Thorne’s growing customer base includes pharmaceutical companies, biotechnology companies, fertility clinics, university research centers and other commercial and academic research establishments worldwide. Current customers include world-leading research labs such as Harvard University, MIT, Yale, DuPont, Monsanto, Charles River Labs, Jackson Labs, Merck, Novartis, Pfizer, Oxford University and Cambridge.

About Mercator Group LLC
The Mercator Group provides merger and acquisition advisory services to growing middle market companies.  Mercator has worked with private equity groups as well as private and publicly held companies worldwide on both buy-side and sell-side transactional services and strategic consulting assignments.  For more information about the Mercator Group, please visitwww.mgboston.com.

For more information, please contact:
David Wolf
Mercator Group LLC
508.652.9150
dwolf@mgboston.com
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