BERKLEY W R CORP — Director's Dealing 2012

Dec 18, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BERKLEY W R CORP (WRB)
CIK: 0000011544
Period of Report: 2012-12-17

Reporting Person: PATAFIO CLEMENT P (VP - Corporate Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-17	Common Stock	S	63570	$39.1481	Disposed	63313	Direct
2012-12-17	Common Stock	P	63570	$39.331	Acquired	126883	Direct
2012-12-17	Common Stock	F	255	$38.93	Disposed	126628	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.10 to $39.21, inclusive. The reporting person undertakes to provide to W. R. Berkley Corporation, any security holder of W. R. Berkley Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F2: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.12 to $39.50, inclusive. The reporting person undertakes to provide to W. R. Berkley Corporation, any security holder of W. R. Berkley Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote to this Form 4.

F3: Represents payment of tax liability by withholding securities incident to the vesting of restricted stock units.

F4: Includes 63,058 restricted stock units, 41,558 of which have vested (the receipt of which has been deferred) and the balance of which are scheduled to vest as follows: 12,000 on March 2, 2015, and 9,500 on August 7, 2017.