Combined Ordinary and Extraordinary General Meeting on April 29th 2009

Procedures for obtaining preparatory documents

BioAlliance Pharma’s shareholders are invited to attend
the Combined Ordinary and Extraordinary General Meeting to be held at 2.00 pm
on April 29th 2009 at the company’s head office (49 Boulevard du Général Martial
Valin, F-75015 Paris, France).
The official notice of the Meeting will be published in the French Republic’s Bulletin des
Annonces Légales Obligatoires (“Bulletin of Mandatory Legal Announcements”) dated March
25th, 2009 and contains the agenda, the draft resolutions and information on attendance and
voting procedures. It can be viewed on the company’s web site at:
http://www.onxeo.com/en/investisseurs/assemblee-generale/
Notice of the meeting will be published in an official journal of legal announcements on April
14th 2009.
Documents related to the meeting will be made available to shareholders from April 8th
onwards, under the conditions set out in the current legislation.
Shareholders may, in accordance with Articles R.225-88 and R.225-89 of the French
Commercial Code, consult the afore-mentioned documents (together with the information
specified in Articles R.225-81 and R.225-83 of the said Code) at the company’s head office or
request supply of the said documents and information by post/mail to a duly indicated
postal/mailing or electronic address by writing to BioAlliance Pharma (Direction Financière –
49 boulevard du Général Martial Valin, F-75015 Paris, France), faxing to +33 1 45 58 08 81
or sending an e-mail to ag2009@onxeo.com after April 8th 2008.

090325EN_AG 2009