AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGER BY AND AMONG CHART INC., BISON CORP., AIRSEP CORPORATION, JOSEPH L. PRIEST, RAVINDER K. BANSAL, AND CHART INDUSTRIES, INC.

Definitions. Capitalized terms used but not otherwise defined herein shall have the meanings ascribed to them in the Agreement. References to Sections in this Amendment refer to such Sections of the Agreement.

Amendment. The Agreement is hereby amended as follows:

Section 1.2(a)(3) is hereby amended and restated in its entirety as follows:

The lead-in to Section 1.2(a)(5) is hereby amended and restated in its entirety as follows:

Section 1.2(a)(5)(ii) is hereby amended and restated in its entirety as follows:

Section 1.2(a)(6) is hereby amended and restated in its entirety as follows:

Section 1.2(a)(14) is hereby amended and restated in its entirety as follows:

The last two sentences of Section 2.21(a) are hereby amended and restated in their entirety as follows:

The last sentence of Section 4.13 is hereby amended and restated in its entirety as follows:

Section 6.2(d) is hereby amended and restated in its entirety as follows:

Section 9.1 is hereby amended by deleting the definition of Closing Balance Sheet.

Section 9.1 is hereby further amended to amend and restate the definition of “Closing Net Working Capital” as follows:

Section 2.4(b) of the Disclosure Schedule is hereby amended by deleting item 2 therein.

Binding Effect. Except to the extent expressly provided herein, the Agreement shall remain in full force and effect in accordance with its terms.

Counterparts. This Amendment may be executed in any number of counterparts, and by the different parties hereto in separate counterparts, each of which when executed will be deemed to be an original but all of which taken together will constitute one and the same agreement. Delivery of an executed counterpart of a signature page to this Amendment by telecopy or by electronic delivery in Adobe Portable Document Format or other electronic format based on common standards will be effective as delivery of a manually executed counterpart of this Amendment.

Miscellaneous. This Amendment shall be deemed to be a Related Agreement under the Agreement. Each of the parties hereto represents and warrants with respect to itself that (i) it has the power and authority to execute, deliver and perform its obligations under this Amendment, (ii) the execution, delivery and performance of this Amendment has been duly authorized by all requisite corporate action on the part of it, (iii) this Amendment has been duly executed and delivered by such party and, assuming due authorization, execution and delivery by the other parties hereto, represents the legal, valid and binding obligation of such party enforceable against it in accordance with its terms, subject to the effect of the General Enforceability Exceptions. Article 9 of the Agreement is incorporated herein by reference and, to the extent applicable, shall govern the terms of this Amendment.