BioAlliance Pharma publishes its 2009 financial calendar

Paris, January 15, 2009 – BioAlliance Pharma SA (Euronext Paris – ticker code BIO) has announced
its financial calendar for 2009, which notably includes the publication dates for its revenue statements
and half-year & annual accounts, as well as the date of its shareholders’ Annual General Meeting:
February 11, 2009 Publication of the revenue statement for Q4 2008 and of the
annual revenue statement
March 6, 2009 Publication of the consolidated accounts for 2008
SFAF analyst meeting at the company’s head office
April 8, 2009 Publication of the Company’s annual report and French
“Document de Référence” for 2008
April 29, 2009 Annual General Meeting at the company’s head office
April 30, 2009 Publication of the revenue statement for Q1 2009
July 23, 2009 Publication of the revenue statement for Q2 2009
August 27, 2009 Publication of the consolidated half-year accounts as of June 30
2009. SFAF analyst meeting at the company’s head office
October 22, 2009 Publication of the revenue statement for Q3 2009
Along with other information on BioAlliance Pharma S.A., a regularly updated “Investors” section is
available on the company’s website (www.onxeo.com).

090115 Calendrier financier ENG