On 22 January 1970, the German Ministry for the Economy publishes a note on the official German position on European monetary integration. On 12 February, the German Minister for the Economy, Karl Schiller, presents the German monetary plan for the establishment of an economic and monetary union by stages, more commonly known as the Schiller Plan.

On 27 January 1970, the Belgian Ministry of Finance publishes a note on a three-stage plan for European monetary solidarity.

On 26 February 1970, Hans Tietmeyer, an official in the German Ministry of the Economy and alternate member of the Werner Group, sends a report to Johann-Baptist Schöllhorn, State Secretary in the German Ministry of the Economy, on the conclusions of the meeting of the Economic and Finance Ministers of the European Community held on 23 and 24 February 1970 in Paris. He particularly mentions the remarks made at this meeting concerning a plan by stages for an economic and monetary union.

On 28 February 1970, Pierre Werner, Luxembourg Minister of State, President of the Government and Finance Minister, submits a new version of the text entitled The outlook for European financial and monetary policy, originally published in January 1968. In this new version, he proposes a five-point action plan for the achievement by stages of economic and monetary union. This document is known as the Luxembourg plan for monetary integration, or the first Werner Plan.

In his memoirs, former Luxembourg Prime Minister Pierre Werner describes the monetary plans drawn up by Belgium, Germany and Luxembourg at the beginning of the year 1970.

On 18 March 1970, the Directorate-General for Economic and Financial Affairs of the Commission of the European Communities (CEC) publishes a set of tables comparing the four plans for the achievement by stages of an economic and monetary union: the Werner Plan, the Schiller Plan, the Belgian Plan and the CEC Plan.