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Thallion Pharmaceuticals Inc.: Notice of Thallion Pharmaceuticals 2009 First Quarter Conference Call

MONTREAL, QUEBEC--(Marketwire - April 2, 2009) - Thallion Pharmaceuticals Inc. (TSX:TLN) will release its 2009 first quarter financial results on Wednesday, April 8, 2009 after 4:00 PM Eastern Time. The Company will subsequently hold a conference call on Wednesday, April 8, 2009 at 4:30 PM Eastern Time hosted by Mr. Lloyd M. Segal, Chief Executive Officer and Mr. Michael Singer, Chief Financial Officer. A question and answer session will follow the corporate update.

CONFERENCE CALL DETAILS

DATE: April 8, 2009

TIME: 4:30 PM Eastern Time

DIAL IN NUMBER: 416-644-3418 or 1-800-731-5319

TAPED REPLAY: 416-640-1917 or 1- 877-289-8525

REFERENCE NUMBER: 21302887#

A live audio webcast of the conference call will be available by visiting the Company's website at [ www.thallion.com ]. Please connect at least 15 minutes prior to the conference call to ensure adequate time for any software download that may be needed to hear the webcast.

About Thallion Pharmaceuticals Inc.

Thallion Pharmaceuticals Inc. (TSX:TLN) is a biotechnology company developing pharmaceutical products in the areas of oncology and infectious disease. Thallion has three clinical programs at a Phase II, or later, stage of development. Two late stage Phase II oncology trials which include: TLN-4601, a novel anti-cancer therapy derived from a nonpathogenic microorganism and TLN-232, a targeted therapy with potential efficacy in multiple oncology indications. The Company's third product candidate, Shigamabs^®, is a dual antibody product for the treatment of Shigatoxin-producing E. coli bacterial infections. Additional information about the Company can be obtained at [ www.thallion.com ].

Forward-Looking Statements

This press release contains certain forward-looking statements, including, without limitation, statements containing the words "believe", "may", "plan", "will", "estimate", "continue", "anticipate", "intend", "expect" and other similar expressions which constitute "forward-looking information" within the meaning of applicable Canadian securities laws. Forward-looking statements reflect the Company's current expectation and assumptions, and are subject to a number of risks and uncertainties that could cause actual results to differ materially from those anticipated. These forward-looking statements involve risks and uncertainties including, but not limited to, changing market conditions, the successful and timely completion of clinical studies, the establishment of corporate alliances, the impact of competitive products and pricing, new product development, uncertainties related to the regulatory approval process and other risks detailed from time-to-time in the Company's ongoing filings with the Canadian securities regulatory authorities which filings can be found at [ www.sedar.com ]. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements. The Company undertakes no obligation to publicly update or revise any forward-looking statements either as a result of new information, future events or otherwise, except as required by applicable Canadian securities laws.