1. Member States may require that the coordinator ensure appropriate and regular stress testing of financial conglomerates. They shall require the relevant competent authorities to cooperate fully with the coordinator.

2. For the purpose of Union-wide stress tests the ESA may, through the Joint Committee and in cooperation with the European Systemic Risk Board, established by Regulation (EU) No 1092/2010 of the European Parliament and of the Council of 24 November 2010 on the European Union macro-prudential oversight of the financial system and establishing a European Systemic Risk Board [OJ L 331, 15.12.2010, p. 1.], develop supplementary parameters that capture the specific risks associated with financial conglomerates, in accordance with Regulation (EU) No 1093/2010, Regulation (EU) No 1094/2010 and Regulation (EU) No 1095/2010. The coordinator shall communicate the results of the stress tests to the Joint Committee.