Five months after Alstom and Siemens Mobility announced their intention to merge their railway transport and mobility activities, the level of uncertainty concerning the social and industrial consequences of the intended merger remains unacceptably high. Therefore, trade unions defending both Alstom and Siemens Mobility’s workers from Austria, Belgium, France, Germany, Italy, Norway, Spain, Switzerland and the United Kingdom met on 14 February under the auspices of industriAll Europe in Brussels to reiterate their joint commitment to defend the future of their jobs and industry