Bontan Corporation Inc. Gets Approval for Listing in S&P Corporation Records


TORONTO, July 9, 2004 (PRIMEZONE) -- Bontan Corporation Inc. (OTCBB:BNTNF) is pleased to announce that it has been approved for listing in Standard & Poor's ("S&P") Corporation Records. Its initial listing was published in S&P's Corporation Records News edition of July 6, 2004.

The company will also be entitled to the various other benefits such as:



 -- Blue Sky/Manual exemption trading in 37 states
 -- Coverage in MarketScope, a proprietary S&P service, which
    registers over one million hits per day and is used daily by over
    100,000 investment professionals and brokers
 -- Coverage in S&P's widely utilized Stock Guide Database, which
    delivers key investment information to hundreds of thousands
    investment professionals via ADP, Reuters, Bridge and other quote
    vendors
 -- Bontan's profile to appear on S&P's website at
    www.advisorinsight.com

Mr. Kam Shah, CEO, commented, "We are happy to be included in a worldwide recognized securities manual. This exposure will improve dissemination of our corporate information to a wider audience of fund managers, brokers and investors, and will in turn greatly enhance the marketability of Bontan Corporation and its shares."

About Bontan Corporation Inc.:

Bontan Corporation Inc. is an international diversified natural resource company that operates and invests in major exploration prospects. To date, Bontan has invested in two major projects: In the first project Bontan has secured the right to acquire an indirect participation interest in an onshore oil exploration program covering 8.8 million acres in Papua New Guinea, and in the second project Bontan has acquired Astrogemas Mineracao Ltda of Brazil to facilitate the company's 50 per cent participation rights in two joint ventures to explore for and mine diamonds in the Coromandel region of Minas Gerais state in Brazil.

Through its wholly owned subsidiaries, Bontan seeks highly visible opportunities in countries around the globe with a history of natural resource production that offer exciting and attractive propositions. The company will seek to minimize risk by bringing in either joint venture, carried or working interest partners, depending on the size and scale of the project.

For further information, please contact Kam Shah, CEO, at 416-860-0175. Visit www.bontancorporation.com for more information.

For Media Relations, contact Rob Kennedy at Current Capital Corp. at 416-860-0211 or visit www.currentcapital.com.

No regulatory authority has approved nor disapproved the content of this release.

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 (the "Act"). In particular, when used in the preceding discussion, the words "plans", "confident that", "believe", "expect", or "intend to", and similar conditional expressions are intended to identify forward-looking statements within the meaning of the Act and are subject to the safe harbor created by the Act. Such statements are subject to certain risks and uncertainties and actual results could differ materially from those expressed in any of the forward-looking statements.


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