SEC FORM 4

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

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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^*

RICZKO ELIZABETH M

(Last)

(First)

(Middle)

5900 OAKRIDGE DR

(Street)

HAMILTON

45011

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
OHIO CASUALTY CORP [ OCAS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President of Insurance

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2005

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/02/2005		M		15,969	A	$17.7	27,924	D
Common Stock	06/02/2005		S		15,969	D	$23.709	11,955	D
Common Stock	06/02/2005		M		17,333	A	$12.26	29,288	D
Common Stock	06/02/2005		S		17,333	D	$23.709	11,955	D
Common Stock	06/02/2005		M		7,272	A	$18.51	19,227	D
Common Stock	06/02/2005		S		7,272	D	$23.709	11,955	D
Common Stock	06/02/2005		M		6,000	A	$17.5	17,955	D
Common Stock	06/02/2005		M		8,281	A	$20.3438	26,236	D
Common Stock	06/02/2005		M		15,000	A	$12.375	41,236	D
Common Stock	06/02/2005		M		21,693	A	$8.99	62,929	D
Common Stock	06/02/2005		M		40,307	A	$8.99	103,236	D
Common Stock	06/02/2005		S		8,281	D	$23.709	94,955	D
Common Stock	06/02/2005		S		15,000	D	$23.709	79,955	D
Common Stock	06/02/2005		S		40,307	D	$23.709	39,648	D
Common Stock	06/02/2005		S		4,518	D	$23.7102	35,130	D
Common Stock	06/02/2005		S		8,383	D	$23.7102	26,747	D
Common Stock	06/03/2005		M		3,511	A	$18.51	30,258	D
Common Stock	06/03/2005		S		3,511	D	$23.7516	26,747	D
Common Stock	06/03/2005		M		8,667	A	$12.26	35,414	D
Common Stock	06/03/2005		S		8,667	D	$23.7516	26,747	D
Common Stock	06/03/2005		M		3,761	A	$18.51	30,508	D
Common Stock	06/03/2005		S		3,761	D	$23.7516	26,747	D
Common Stock	06/03/2005		M		3,511	A	$18.51	30,258	D
Common Stock	06/03/2005		S		3,511	D	$23.7516	26,747	D
Common Stock								7,610	I	Employee Savings Pln
Common Stock								448	I	by Spouse - IRA

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Incentive Stock Option (right to buy)	$8.99	06/02/2005		M			21,693	06/01/2002	06/01/2011	Common Stock	21,693	$0	0	D
Incentive Stock Option (right to buy)	$17.5	06/02/2005		M			6,000	01/23/1997	01/23/2006	Common Stock	6,000	$0	0	D
Incentive Stock Option (right to buy)⁽¹⁾	$18.51	06/03/2005		M			3,511	05/13/2005	05/13/2014	Common Stock	3,511	$0	0	D
Non-Qualified Stock Option (right to buy)	$8.99	06/02/2005		M			40,307	06/01/2002	06/01/2011	Common Stock	40,307	$0	0	D
Non-Qualified Stock Option (right to buy)	$12.26	06/02/2005		M			17,333	02/13/2004⁽²⁾	02/13/2013	Common Stock	17,333	$0	8,667	D
Non-Qualified Stock Option (right to buy)	$12.26	06/03/2005		M			8,667	02/13/2004⁽²⁾	02/13/2013	Common Stock	8,667	$0	0	D
Non-Qualified Stock Option (right to buy)	$12.375	06/02/2005		M			15,000	02/28/2001	02/28/2010	Common Stock	15,000	$0	0	D
Non-Qualified Stock Option (right to buy)	$17.7	06/02/2005		M			15,969	02/21/2003⁽³⁾	02/21/2012	Common Stock	15,969	$0	0	D
Non-Qualified Stock Option (right to buy)	$18.51	06/02/2005		M			7,272	05/13/2005	05/13/2014	Common Stock	7,272	$0	14,545	D
Non-Qualified Stock Option (right to buy)	$18.51	06/03/2005		M			3,511	05/13/2005	05/13/2014	Common Stock	3,511	$0	3,761	D
Non-Qualified Stock Option (right to buy)	$18.51	06/03/2005		M			3,761	05/13/2005	05/13/2014	Common Stock	3,761	$0	0	D
Non-Qualified Stock Option (right to buy)	$20.3438	06/02/2005		M			8,281	02/18/2000⁽⁴⁾	02/18/2009	Common Stock	8,281	$0	0	D

Explanation of Responses:

1. These Incentive Stock Options converted to Non-Qualified Stock Options upon exercise by the reporting person.

2. Granted pursuant to the 2002 Ohio Casualty Corporation Stock Incentive Plan; option vests in three equal annual installments beginning on February 13, 2004.

3. Granted pursuant to the Ohio Casualty Corporation 1993 Stock Incentive Plan; option vests in three equal annual installments beginning on February 21, 2003.

4. Granted pursuant to the Ohio Casualty Corporation 1993 Stock Incentive Program. The option vests over a three year period in equal installments beginning on February 18, 1999.

	By: Dan R. Carmichael For: Elizabeth M. Riczko	06/06/2005
	** 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).
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