X0303 4 2008-08-01 0 0000892553 CHART INDUSTRIES INC GTLS 0001266362 THOMAS SAMUEL F ONE INFINITY CORPORATE CENTRE DRIVE SUITE 300 GARFIELD HEIGHTS OH 44125 1 1 0 0 Chairman, CEO and President Common Stock, par value $0.01 per share 2008-08-01 4 S 0 5000 52.5768 D 90826 D Common Stock, par value $0.01 per share 130000 I By spouse Common Stock, par value $0.01 per share 20000 I By Trust Stock Option (Right to Buy) 6.50 2015-11-23 Common Stock 237388 237388 D Stock Option (Right to Buy) 6.50 2007-06-12 2015-11-23 Common Stock 356876 356876 D Stock Option (Right to Buy) 27.74 2017-08-02 Common Stock 18300 18300 D Stock Option (Right to Buy) 30.95 2018-01-02 Common Stock 18950 18950 D These securities are being sold pursuant to a written plan adopted on May 30, 2008, that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934. Price reported constitues the average weighted price of shares sold. Shares were sold at varying prices in the range of $52.07 - $53.65. The reporting person hereby undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. Held by a trust for the benefit of the reporting person's daughter. The reporting person disclaims beneficial ownership of the shares held by the trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the trust's shares for purposes of Section 16 or for any other purpose. No transaction is being reported on this line. Reported on a previously filed Form 3, Form 4 or Form 5. These options were granted on November 23, 2005 pursuant to the terms of the Chart Industries Inc. Amended and Restated 2005 Stock Incentive Plan in an exempt transaction under Rule 16b-3. The options vest annually in equal installments over five years based on continued service. These options were granted on November 23, 2005 as performance options under the Chart Industries Inc. Amended and Restated 2005 Stock Incentive Plan in an exempt transaction under Rule 16b-3 and became fully vested on June 12, 2007. These options were granted on August 2, 2007 pursuant to the terms of the Chart Industries, Inc. Amended and Restated 2005 Stock Incentive Plan in an exempt transaction under Rule 16b-3. The options vest with respect to one-fourth (1/4) of the total number of shares of common stock underlying the stock options on each of the first four anniversaries of the date of grant. These options were granted on January 2, 2008 pursuant to the terms of the Chart Industries, Inc. Amended and Restated 2005 Stock Incentive Plan in an exempt transaction under Rule 16b-3. The options vest with respect to one-fourth (1/4) of the total number of shares of common stock underlying the stock options on each of the first four anniversaries of the date of grant. /s/ Samuel F. Thomas, by Arthur C. Hall III, his attorney-in-fact pursuant to Power of Attorney dated June 29, 2006 on file with the Commission 2008-08-05