In the last few days, two new partners entered the Finnish Consortium: Estonia and Poland, but also one left: the Dutch were not able to commit any funding. Finland itself commits 50 million euro, the other countries between 3 and 15 million euro. Belgium is amongst the largest contribution with 15,5 million euro, Switzerland contributes 10 million euro, Sweden up to 7,1 million euro, Denmark 3 million euro, Poland and the Czech republic each 5 million euro. The other contributions were not yet decided. These are commitments for the complete costs of the system - acquisition and operation. Each country that contributes will a get a share of the access to the system related to the size of their contribution.
If the consortium will be successful, it could, later in the year, allow new partners to join the consortium, however that would not increase the central funding, of course.
With Finland leading a strong international consortium, and also Spain/Portugal and Italy/Slovenia planning to submit a proposal, it seems we have three contenders to host (at least) two pre-exascale supercomputers to be operational by the end of next year.