YIT - Company Announcement

COMPETITION AUTHORITY APPROVES THE SALE OF YIT'S NETWORK SERVICES BUSINESS UNIT TO RELACOM

YIT CORPORATION                 DECEMBER 20, 2007 at 17:00                      
CORPORATE RELEASE                                                               
COMPANY ANNOUNCEMENT                                                  



COMPETITION AUTHORITY APPROVES THE SALE OF YIT'S NETWORK SERVICES BUSINESS UNIT 
TO RELACOM                                                                      

YIT Corporation sold the Network Services business unit to Relacom Finland Oy   
with a transaction agreement signed on November 20, 2007. The transaction had to
be approved by the Competition Authority before coming into force. The Finnish  
Competition Authority approved the acquisition on December 18, 2007. The deal   
will be consummated and the transaction price paid on December 31, 2007.        

The Network Services business unit was a part of YIT's Industrial and Network   
Services business segment. As of January 1, 2008 the name of the business       
segment will be Industrial Services.                                            

YIT CORPORATION                                                                 


Juha Kostiainen                                                                 
Vice President, Corporate Communications and Business Development               


For additional information, contact:                                            
Pekka Frantti, President, YIT Industrial and Network Services Ltd,              
tel. +358 50 390 0932                           
Sakari Toikkanen, Executive Vice President, YIT Corporation,                    
tel. +358 20 433 2336                                                           
Petra Thorén, Vice President, Investor Relations, YIT Corporation,              
tel. +358 20 433 2635, +358 40 764 5462                                         

Distribution: OMX Nordic Exchange Helsinki, principal media, www.yitgroup.com