EXECUTION VERSION STOCKHOLDERS AGREEMENT THIS STOCKHOLDERS AGREEMENT (die “Vereinbarung” vom 15. On April 1, 2010 (effective date), by and between Molycorp, Inc., a Delaware corporation (the “Corporation”), and schedule 1 individuals and any other person who becomes a party to the agreement from time to time, is replaced by the performance of a Joinder contract, essentially in the form of the “shareholders” and each of the “shareholders”). The company and each of the shareholders wish, for their mutual benefit and protection, to conclude this agreement in order to present their respective rights and obligations with respect to the affairs of the company and the capital stock of the company held by the shareholders. NOW, THEREFORE, taking into account the reciprocal promises, alliances and agreements that are incorporated into them, and for other good and valuable counterparties, including the reception and adequacy of force majeure. Neither party is held responsible to the other party for the delay or delay in the performance of its obligations under this agreement if this defect or delay is caused directly or indirectly by events that are not subject to proper control of the unsused party, including the accident, fire, flood, riot , war, terrorism, the act of God, the embargo, strike, breakdown or delay of the normal source of the supply of equipment due to circumstances that are outside the control of that contracting party (which is not the normal delivery of equipment for financial reasons) or air carriers at the end of the deadline or the total or partial dismantling of the facility by any of the causes or other causes outside its appropriate control. , provided that this is not due to the fault or negligence of that party, and that it is also expected that such a delay or failure must be corrected by that contracting party as soon as possible after the origin of such a failure or delay. IN WITNESS WHEREOF, the parties have resulted in the implementation of this agreement by their duly accredited representatives from the date and year that were written in the first place. This document, accompanied by the timetables (including but not limited to the quality agreement), constitutes the complete and exclusive declaration of the terms of the agreement between the parties regarding the purpose of this agreement, and not written or written statements or agreements issued before or at the signing of the agreement, resulting (i) from a violation of one of the ABBI agreements. , the assurances, guarantees or commitments contained in this agreement; or (ii) falsified, poorly stigmatized or deteriorating products as a result of mishandling of products by ABBI or its related companies.