SEC FORM 3

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^*

Ebers Kevin H

(Last)

(First)

(Middle)

W. R. BERKLEY CORPORATION

475 STEAMBOAT ROAD

(Street)

GREENWICH

06830

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/26/2008

3. Issuer Name and Ticker or Trading Symbol
BERKLEY W R CORP [ BER ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP - Information Technology

5. 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 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	16,962⁽¹⁾	D
Common Stock	4,322⁽²⁾	I	By 401(k)

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Common Stock	05/12/2001⁽³⁾	05/12/2008	Employee Stock Option (Right to Buy)	12,707	$9.35	D
Common Stock	05/09/2003⁽⁴⁾	05/09/2010	Employee Stock Option (Right to Buy)	15,188	$4.27	D
Common Stock	08/06/2005⁽⁵⁾	08/06/2012	Employee Stock Option (Right to Buy)	12,657	$10.07	D

Explanation of Responses:

1. Includes 13,875 shares of common stock underlying restricted stock units that are scheduled to vest as follows: 3,375 on August 3, 2009; and 10,500 on August 2, 2010.

2. Represents shares of W. R. Berkley Corporation common stock owned under the W. R. Berkley Corporation Profit Sharing Plan. The number of shares in this report is based on a statement of account dated February 27, 2008.

3. This option became exercisable in four equal installments on May 12, 2001, May 12, 2002, May 12, 2003 and May 12, 2004.

4. This option became exercisable in four equal installments on May 9, 2003, May 9, 2004, May 9, 2005 and May 9, 2006.

5. This option is exercisable in four equal installments. The first three installments became exercisable on August 6, 2005, August 6, 2006 and August 6, 2007. The last installment becomes exercisable on August 6, 2008.

Remarks:

	Kevin H. Ebers	02/29/2008
	** 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).
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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