INVITATION TO CONFERENCE CALL ON INTERIM REPORT Comptel Corporation will announce its first quarter result on Wednesday 23 April 2008 at 8.00 am Finnish time (6.00 am UK time). International conference call will be held on the same day at 15.00 Finnish time (13.00 pm UK time). The dial number is +358 9 8248 4735, access code 45836. Interim report and presentation will be available on Comptel's website at www.comptel.com. Kindly register for the teleconference by email to samppa.seppala@comptel.com at the latest on Tuesday, 22 April 2008. Welcome to participate in the call! COMPTEL CORPORATION Samppa Seppälä Director, IR and Corporate Communications