(Reuters) - Germany's Siemens is due to present its offer for a possible deal with French peer Alstom on Tuesday, according to a source familiar with the matter.
"The Siemens' offer should be confirmed tomorrow during the day," the source said.
He added that the French state believed that Alstom should take the time necessary to examine all the offers on the table.
A spokesman for Siemens in Frankfurt did not confirm the information.