TYLER RESOURCES INC.
TSX VENTURE : TYS

TYLER RESOURCES INC.

September 13, 2007 18:11 ET

Tyler's Requested Voluntary Termination of US Registration Under the Securities Act of 1934 is Now Effective

CALGARY, ALBERTA--(Marketwire - Sept. 13, 2007) - Tyler Resources Inc.'s (TSX VENTURE:TYS) ("Tyler") application to voluntarily terminate its US Registration under the Securities Exchange Act of 1934, as amended, became effective on September 13, 2007.

The preparation time and costs associated with preparing US filings and meeting SEC regulatory requirements were substantial. By deregistering, the Company believes that it can realize significant ongoing general, administrative and legal costs savings, as well as have more time to focus on its core business activities. Tyler will publish the information required under Rule 12g3-2(b)(1)(iii) on its website at www.tylerresources.com. Tyler continues to trade on the TSX Venture Exchange under the symbol TYS.

Scoping Study Update

Tyler has been advised that work on the previously announced scoping study is progressing well, is in its final stages, and that results are expected shortly. Once received, the Company intends to release the scoping study results as soon as practicable thereafter.

About Tyler

Tyler Resources is a well funded Canadian junior exploration company focused on base and precious metals exploration in Mexico. Tyler's primary project is the Bahuerachi property, which hosts Mexico's fourth largest mineralized porphyry deposit. The Company has now drilled in excess of 51,000 meters of combined diamond and reverse circulation drilling since 2004, making it one of the most active Canadian junior exploration companies operating in Mexico.

Jean Pierre Jutras, President/CEO/Director

Cautionary language:

Except for the historical and present factual information contained herein, the matters set forth in this news release, including words such as "expects", "projects", "plans", "anticipates" and similar expressions, are forward-looking information that represents management of Tyler's internal projections, expectations or beliefs concerning, among other things, future operating results and various components thereof or the economic performance of Tyler. The projections, estimates and beliefs contained in such forward-looking statements necessarily involve known and unknown risks and uncertainties, which may cause Tyler's actual performance and financial results in future periods to differ materially from any projections of future performance or results expressed or implied by such forward-looking statements. These risks and uncertainties include, among other things, those described in Tyler's filings with the Canadian securities authorities. Accordingly, holders of Tyler shares and potential investors are cautioned that events or circumstances could cause results to differ materially from those predicted. Tyler disclaims any responsibility to update these forward-looking statements.

The TSX Venture Exchange has neither approved nor disapproved of the contents of this press release.

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