SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* FIRST RESERVE GP X INC (Last) (First) (Middle) ONE LAFAYETTE PLACE THIRD FLOOR (Street) GREENWICH CT 06830 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/25/2006	3. Issuer Name and Ticker or Trading Symbol CHART INDUSTRIES INC [ GTLS ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) X Other (specify below) See Remark 1	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock(1)	10,603,192(2)	I	See Footnote(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* FIRST RESERVE GP X INC (Last) (First) (Middle) ONE LAFAYETTE PLACE THIRD FLOOR (Street) GREENWICH CT 06830 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remark 1

1. Name and Address of Reporting Person* FIRST RESERVE GP X LP (Last) (First) (Middle) ONE LAFAYETTE PLACE THIRD FLOOR (Street) GREENWICH CT 06830 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remark 1

1. Name and Address of Reporting Person* FIRST RESERVE FUND X LP (Last) (First) (Middle) ONE LAFAYETTE PLACE THIRD FLOOR (Street) GREENWICH CT 06830 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remark 1

1. Name and Address of Reporting Person* Quintana Maritime Investors LLC (Last) (First) (Middle) ONE LAFAYETTE PLACE THIRD FLOOR (Street) GREENWICH CT 06830 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remark 1

Explanation of Responses:

1. This Form 3 is being filed in connection with the initial registration by Chart Industries, Inc. (the "Issuer") of a class of its equity securities under Section 12 of the Exchange Act of 1934, effected via the Issuer's registration statement on Form 8-A12G (File No. 000-50412) and its related registration statement on Form S-1/A under the Securities Act of 1933, dated July 20, 2006 (File No. 333-133254).

2. Pursuant to Rule 16a-1(a)(4) of the Securities Exchange Act of 1934, each Reporting Person states that this filing shall not be deemed an admission that such Reporting Person is the beneficial owner of any of the securities reported herein. Additionally, each Reporting Person disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

3. The securities of the Issuer reported herein are directly owned by FR X Chart Holdings LLC ("Holdings"). In addition to Holdings, this Form 3 is being filed on behalf of each of First Reserve GP X, Inc. ("GP X Inc."), First Reserve GP X, L.P. ("GP X"), and First Reserve Fund X, L.P. ("Fund X"), each of which may be deemed to beneficially own the securities owned by Holdings. Fund X is the sole member of Holdings. GP X is the general partner of Fund X, and GP X Inc. is the general partner of GP X.

Remarks:

(1) The Reporting Persons have included the designation of "Director" in order to satisfy potential filing obligations in the event any such Reporting Persons are deemed to be a director of the Issuer by deputization. (2) First Reserve GP X, Inc., by Anne E. Gold, Assistant Secretary, is signing for itself as the designated filer, as well as in the capacity of general partner of First Reserve GP X, L.P. First Reserve GP X, L.P., by Anne E. Gold, is signing in its capacity as general partner of First Reserve Fund X, L.P. First Reserve Fund X, L.P., by Anne E. Gold, is signing in its capacity as sole member of FR X Chart Holdings LLC

	Anne E. Gold, Authorized Person (See Remark (2))	07/25/2006
	Anne E. Gold, In Capacity as Described in Remark 2	07/25/2006
	Anne E. Gold, In Capacity as Described in Remark 2	07/25/2006
	Anne E. Gold, In Capacity as Described in Remark 2	07/25/2006
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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