HAL Allergy Extends GMP Contract Manufacturing Activities

LEIDEN, The Netherlands, July 6, 2012 /PRNewswire/ –

HAL Allergy B.V. announced that it succeeded in extending its GMP contract
manufacturing activities for clinical batch supply of both recombinant and viral products.
The Dutch inspectorate granted the permit extension after inspection of the operational
activities in the BSL2 clean rooms and development laboratory in June 2012.

In 2009 HAL Allergy opened its state-of-the-art production facility at the Bio Science
Park in Leiden. In order to offer the competences of its pharmaceutical specialists to
customers in need of reliable GMP services, the business was expanded into contract
manufacturing. During the start up of this new business, the cooperation with the contract
research organization Batavia Bioservices, for process know how and Yxion for engineering
were crucial.

“The fact that the Dutch authorities extended our GMP permit, is a big step forward in
our goal of becoming a key biotech service company. Our team of specialists offer our
clients reliable and effective services. Modern production- and laboratory facilities and
over 50 years experience in vaccine production will be key asset in partnerships with our
customers” says Harry Flore, CEO of HAL Allergy.

About HAL Allergy

The HAL Allergy Group (http://www.hal-allergy.com) was established in 1959 and is an
important European manufacturer of allergy vaccines and diagnostics. Today HAL Allergy is
a modern company with high quality pharmaceutical, manufacturing and research facilities
and many years of GMP tradition. The Group’s products are distributed via subsidiaries in
Germany, Spain, Italy, Poland, Austria and the Benelux as well as a network of
distribution partners around Europe. Currently HAL Allergy employs over 280 people
throughout Europe with more than 160 situated in the Netherlands HQ.

SOURCE HAL Allergy Group