Director/PDMR Shareholding

Allergy Therapeutics PLC
07 May 2008


                            Allergy Therapeutics plc

                   ("Allergy Therapeutics" or the "Company")



                           Director/PDMR Shareholding



7 May 2008: Allergy Therapeutics announces that on 7 May 2008 Mr Keith Carter, a
director of the Company, exercised share options over 575,000 ordinary shares of
0.1 pence each ("Ordinary Shares") awarded pursuant to the Allergy Therapeutics
2001 Share Option Plan as follows:


Name of scheme:                      Allergy Therapeutics 2001 Share Option Plan
Date of grant:                                                  18 December 2002
Date of exercise:                                                     7 May 2008
Exercise price:                                                        5.0 pence
Number of shares exercised:                                              575,000



Following the above transactions Mr Carter now holds share options over
1,929,055 Ordinary Shares. In addition Mr Carter holds 3,172,669 Ordinary
Shares, representing 3.87 per cent. of the total voting rights of the Company.





Enquiries:

Allergy Therapeutics plc                                    [phone]
Ian Postlethwaite
www.allergytherapeutics.com

Financial Dynamics                                          [phone]
David Yates
Ben Brewerton




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