Biotie Therapies - Corporate Action

SUBSCRIPTION OF SHARES IN BIOTIE PURSUANT TO A CONVERTIBLE LOAN

BIOTIE THERAPIES CORP. STOCK EXCHANGE RELEASE 11 May 2007

Pursuant to the convertible capital loan been determined by Biotie
Therapies Corp. on 25 March 2004, the total of 180,000 new shares has
been subscribed for. The new shares have been entered in the Finnish
Trade Register on 11 May 2007. Following the increase, the total
number of shares in Biotie Therapies Corp. is 90,211,860. The loan
capital converted in connection with the subscription amounts to EUR
336,375.85. The share capital has not been increased.

The subscribed shares entitle their holders to dividend as of the
financial year 2007 and to other shareholder rights as of the
registration. The new shares shall be subject to public trading on
the official list of the Helsinki Stock Exchange together with the
old shares on or about 14 May 2007.

The subscription period for the shares pursuant to the company's
convertible loans determined on 25 March 2004 commenced when the
convertible loans had been registered with the Finnish Trade Register
and it will end on 31 December 2005 or when the loan capital has been
paid back in full. So far, a total of 450,000 new shares have been
subscribed pursuant to the convertible loans determined by the
company on 25 March 2004.

Turku, 11 May 2007

Biotie Therapies Corp.


Timo Veromaa
President and CEO

For further information, please contact:

Timo Veromaa, President and CEO, Biotie Therapies Corp.
tel. +358 2 274 8901, e-mail: timo.veromaa@biotie.com

www.biotie.com



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