Change in the number of shares outstanding

During May 2009, holders of personnel options have exercised 40,000
personnel options to acquire 40,000 class B shares.

Addtech's holding of shares in treasury at the end of May amounts to
597,400 class B shares, equivalent to 2.6 percent of the total number
of shares and 1.8 percent of the votes in Addtech.

The total number of shares in Addtech is 22,732,832, divided into
1,102,470 class A shares and 21,630,362 class B shares. The number of
shares outstanding at the end of May is 22,135,432.

Stockholm, 31 May 2009

Addtech AB (publ)
For further information, contact
Kennet Göransson, CFO, +46 8 470 49 10