Green Party members James Shaw, Eugenie Sage, Julie Anne Genter and Jan Logie will take up the government positions offered to the party in its deal with Labour.
The party has today announced the four would take on the roles but which portfolios they would be responsible for would be confirmed later.
However the Herald understands that Shaw, Sage and Genter will be the ministers and Logie will be an under-secretary.
It has all but been confirmed by Labour leader Jacinda Ardern that Shaw will be Climate Change Minister.
Sage is expected to be Conservation Minister and Julie Anne Genter will get an Associate Transport role.