exhibit 10. 20 final settlement agreement and termination of bargaining relationship recitals chart industries, inc. ( “ chart ” ) for several years has operated a manufacturing facility in plaistow, new hampshire. the international brotherhood of boilermakers, iron ship builders, blacksmiths, forgers and helpers local lodge no. 752 of the afl - cio ( “ the union ” ) has been the exclusive bargaining representative of chart ’ s production and maintenance employees at the plaistow facility. chart and the union currently are party to a collective bargaining agreement for the term of august 26, 2003 through august 25, 2006. chart desires to permanently close the plaistow facility, thereby terminating its relationship with the union and the employment relationship with the union ’ s members working there. terms of agreement 1. this final settlement agreement and termination of relationship ( “ agreement ” ) is entered into by and between the union and its current and former officers, directors, trustees, agents, representatives and members and its parent, predecessor, successor and assigned organizations, and chart and its past and present parents, subsidiaries, predecessors, successors, assigns, affiliates, divisions, operations, insurers, owners, officers, directors, shareholders, employees, agents and representatives ( collectively, “ the parties ” ). 2. in consideration for the promises set forth herein, the parties agreed to the terms and conditions as set forth in the attached appendix “ a ” 3. in exchange for the consideration set forth in paragraph 2 above and the remainder of the terms and conditions set forth in this agreement, as it applies to the particular employees who will be terminated, the sufficiency of which is acknowledged and has been received, the parties further agree to the following : a. the union agrees to work expeditiously to resolve all grievances, if any, filed prior to the closing according to the collective bargaining agreements and the extension. b. the union agrees and represents that there are no unfair labor practice charges pending and is unaware of any facts or circumstances that would support an unfair labor practice charge. c. the union agrees not to file or make any demands, charges, claims, actions or lawsuits of any kind against the plaistow facility after closure, nor will the union encourage, assist, advise or represent any individual organization or entity in accomplishing the same unless required by a court of law. d. the union acknowledges that except for the consideration set forth in paragraph 1 above, chart does not owe