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* J P MORGAN CHASE & CO (Last) (First) (Middle) 270 PARK AVENUE (Street) NEW YORK NY 10017 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol OGLEBAY NORTON CO /OHIO/ [ ogby.og ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 06/23/2006
	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, Par Value $0.01 Per Share	06/23/2006		J(1)		35,114	A	(1)	35,114	I	See Footnote 3(3)

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
Series A Convertible Pref Shares,par value $0.01per shares	(2)	06/23/2006		C(1)			28,567	01/31/2005	12/31/2049	Common Stock, Par Value $0.01 Per Share	476,232	(2)	387,433	I	See Footnote 3(3)

Explanation of Responses:

1. The Issuer is engaged in a redemption of its Series A Convertible Preferred Shares and the holders of the Preferred Shares must elect by June 23, 2006 to either (1) convert a specified portion of its Preferred Shares into shares of Common Stock at a set and announced conversion ratio or (2) receive an aggregate amount in cash equivalent to $13.52 per Preferred Share on the redemption date of June 30, 2006. The reporting person has elected, effective June 23, 2006, to convert its specified eligible Preferred Shares (28,567) into shares of Common Stock at the announced conversion ratio of 1.2292 shares of Common Stock per Series A Convertible Preferred Share.

2. The Series A Convertible Preferred Shares of the Issuer are convertible at the option of the reporting person into shares of Common Stock at an initial ratio of one Preferred Share into one share of Common Stock, which ratio increases pursuant to the terms of the Preferred Shares over time to the current ratio of 1.2292 shares of Common Stock per Preferred Share for the conversion described in footnote 1 above.

3. Beneficial ownership of this position was acquired by J.P. Morgan Ventures Corporation, a wholly owned subsidiary of JPMorgan Chase & Co. JPMorgan Chase & Co. expressly disclaims beneficial ownership of such shares except to the extent of its respective pecuniary interest in such shares

	Anthony J. Horan	06/26/2006
	** 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 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).
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