Namibia has significant reserves of rare earth minerals such as dysprosium and terbium needed for permanent magnets in the batteries of electric cars and wind turbines.
Global manufacturers have been looking for new rare earth mineral sources as these elements soar in value due to their demand.
"In principal we have agreed on conditions, whatever the materials, we are going to process them here," Alweendo said about the approaches being taken to ensure the southern African country reaps the benefit of its resources.
Alweendo said there was demand for the southern African country's rare earth metals to power the global transition to green energy.
EU and Namibian Officials told Reuters in July they were planning a deal on hydrogen and minerals as the bloc works to reduce its dependence on Russian energy.
The European Union wants easier access to minerals in Namibia, and plans geological projects to explore the resources of a country which is nearly as big as the combined territory of France and Germany.