SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* NOTARO FRANK J (Last) (First) (Middle) (Street) (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol IDEX CORP /DE/ [ IEX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) VP-General Counsel & Secretary
	3. Date of Earliest Transaction (Month/Day/Year) 01/31/2005
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
COMMON STOCK	02/01/2005		M		2,500	A	$23.25	2,500	D
COMMON STOCK	02/01/2005		S		2,500	D	$38.8	0	D
COMMON STOCK	02/02/2005		M		1,000	A	$23.25	1,000	D
COMMON STOCK	02/02/2005		S		1,000	D	$38.9	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
DEFERRED COMPENSATION UNITS (DCU'S)	$0	01/31/2005		A		9		(1)	(1)	COMMON STOCK	9	(1)	3,128	D
OPTIONS (RIGHT TO BUY)	$23.25	02/01/2005		M			2,500	03/24/2003	03/24/2008	COMMON STOCK	2,500	$0	120,500	D
OPTIONS (RIGHT TO BUY)	$23.25	02/02/2005		M			1,000	03/24/2003	03/24/2008	COMMON STOCK	1,000	$0	119,500	D

Explanation of Responses:

1. ACQUIRED DURING 2005 UNDER THE DIVIDEND PROVISIONS OF THE IDEX CORPORATION 1996 DEFERRED COMPENSATION PLAN FOR OFFICERS AT A PRICE PER DCU OF $37.57. EACH DCU IS EXCHANGEABLE FOR SHARES OF IDEX CORPORATION COMMON STOCK ON A ONE-FOR-ONE BASIS AT THE TIME OF RETIREMENT FROM THE COMPANY.

	FRANK J. NOTARO	02/02/2005
	** 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 4 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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