An Overview of the signing of the EuroHPC declaration
On March 23, 2017, seven European countries signed an agreement to start a European HPC programme that will eventually lead to European exascale supercomputers called EuroHPC. The original EuroHPC declaration was signed in Rome by France, Germany, Italy, Luxembourg, the Netherlands, Portugal and Spain. Meanwhile 25 countries have joined EuroHPC
Belgium signed the EuroHPC declaration on June 9, 2017. and Slovenia joined the EuroHPC declaration on July 17, 2017.
On October 13, 2017 Bulgaria joined EuroHPC. On October 20, 2017 Switzerland joined EuroHPC.
When EuroHPC JU was formally adopted on September 28, 2018, Switzerland was not included.
The Czech Republic signed the EuroHPC declaration on January 24, 2018
Cyprus signed the EuroHPC declaration probably on February 8, 2018
However it is not certain yet whether Cyprus will sign the EuroHPC JU from the start (News from 2018-05-01). And indeed they are not on the list of the final EuroHPC Regulation text countries of 2018-09-18.
Poland signed the EuroHPC declaration probably on May 28, 2018
On June 1st, 2018,Lithuania announced it will sign the EuroHPC Declaration. On June 23d, 2018, Austria signed the EuroHPC Declaration. On June 24, Seden and Finland signed the declaration.
On July 17, Latvia commited to join EuroHPC JU. The EuroHPC declaration has not yet been signed.
On August 24 208, Estonia signed the EuroHPC declaration
On September 13, the Romanian government adopted a memorandum to join EuroHPC. On September 27 is mentioned to be joining EuroHPC.
On September 25 2018, Denmark signed the EuroHPC declaration.
On September 28, also Ireland, Slovakia and Hungary were listed in the EuroHPC regulation. (Regulation text itself dates from September 18.)