Agreement Signed with Leading Healthcare Imaging Company

STOCKHOLM, June 29, 2011 -

XCounter AB (publ) (AIM:XCT), a technology leader in the
development and supply of specialty X-ray detectors and
tomosynthesis based 3D medical imaging, is pleased to announce that
it has signed an exclusive, worldwide agreement for the development
and supply of photon counting digital X-ray detector technologies
with a leading healthcare imaging company (”Partner”).

Under the Agreement, it is intended that XCounter, which is
headquartered in Stockholm, will develop and supply the Partner
with high speed digital 3D X-ray imaging detectors based on its
proprietary photon counting and solid-state material
technologies.

Depending on the success of the R&D-project and assuming
commencement of supply of detectors, the agreements have an
aggregate value of up to €50m over the next nine years.

As part of the Agreement but unconditional, XCounter has agreed to
seek shareholder approval to grant a Warrant to the Partner by
latest Dec 31, 2012 representing 12.5 per cent of XCounter shares
at an exercise price equal to 3x the average closing price of
XCounter’s shares 30 days prior to this announcement. Further
details to follow.

The Board now considers XCounter to be a going concern.

Mikael Strindlund, CEO of XCounter, commented, “This multi-year
co-operation with a major, market-leading healthcare imaging
company is clear evidence that XCounter is the technology leader
within low dose high image quality providers of digital X-ray
detectors. We look very much forward to a long and fruitful
co-operation with our Partner.”

About XCounterAB

XCounter AB is a leader in the development of photon counting
detector and tomosynthesis-based 3D x-ray imaging technology. It
develops and manufactures high performance x-ray detector solutions
based on state of the art technologies for applications in the
medical, dental and industrial area.

In June 2010 XCounter completed the acquisition of Oy AJAT Ltd.,
a Finnish imaging company, complementing XCounter’s photon counting
and 3D imaging competence with CdTe detector development and
production.

Headquartered in Stockholm, XCounter employs 28 people in its
facilities in Sweden and Finland.

For more detailed information, please visit:
www.xcounter.se

For further information, please contact:

XCounter AB
Mikael Strindlund          
      Tel: +46(0)8-622-23-00

Nomura Code Securities Limited    Tel
+44(0)20-7776-1200
Phil Walker/ Clare Terlouw

Capital MSL
Anna
Davies                       Tel
+44-207-307-5330
Justine Lamond

.