The Shareholders of Pyrosequencing AB (publ), Reg. No. 556539-3138, are hereby summoned to an extraordinary general meeting of shareholders to be held on Wednesday 3 December 2003, at 5 pm at Mannheimer Swartling Advokatbyrå AB, Norrmalmstorg 4 in Stockholm, Sweden. 
                                
                            
                            
                     
         
 
 
