Final Prospectus Supplement
Table of Contents

FILED PURSUANT TO RULE 424(b)(3)

UNDER THE SECURITIES ACT OF

1933 IN CONNECTION WITH

REGISTRATION NO. 333-34638

PROSPECTUS SUPPLEMENT

dated June 7, 2006

(to Prospectus dated May 8, 2000)

KILROY REALTY CORPORATION

380,333 Shares of Common Stock

 


This prospectus supplement relates to the possible issuance of 209,259 shares of common stock of Kilroy Realty Corporation, a Maryland corporation (the “Company”), to the holders of common units representing limited partnership interests in Kilroy Realty, L.P. and the possible resale of shares of common stock by these holders, and the issuance of 171,074 shares of common stock of the Company, issued in exchange for common units since May 8, 2000, the date of the prospectus to which this prospectus supplement relates, and the possible resale of these shares. The holders identified in this prospectus supplement owned or currently own common limited partnership units and have tendered or may tender their common units to Kilroy Realty, L.P. for cash redemption. We may elect to exchange their tendered units on a one-for-one basis for shares of our common stock. We will not receive any of the proceeds from the issuance of the common stock to the holders or from the resale of the shares by the holders.

Our common stock is listed on the New York Stock Exchange under the symbol “KRC.” On June 6, 2006, the last reported sales price of our common stock on the New York Stock Exchange was $67.33 per share.

 


Before you invest in our common stock, you should consider the risks discussed in “Risk Factors” included in the prospectus dated May 8, 2000, as amended or supplemented from time to time.

 


Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved these securities, or determined if this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

June 7, 2006


Table of Contents

TABLE OF CONTENTS

 

     Page

PROSPECTUS SUPPLEMENT

  

SELLING STOCKHOLDERS

   S-1

PROSPECTUS

  

RISK FACTORS

   1

THE COMPANY

   13

FORWARD LOOKING STATEMENTS

   14

USE OF PROCEEDS

   15

DESCRIPTION OF CAPITAL STOCK

   15

DESCRIPTION OF MATERIAL PROVISIONS OF THE PARTNERSHIP AGREEMENT OF KILROY REALTY L.P.

   27

EXCHANGE OF COMMON UNITS FOR COMMON STOCK

   35

MATERIAL PROVISIONS OF MARYLAND LAW AND OF OUR CHARTER AND BYLAWS

   42

MATERIAL FEDERAL INCOME TAX CONSEQUENCES

   47

ERISA CONSIDERATIONS

   61

SELLING STOCKHOLDERS

   64

PLAN OF DISTRIBUTION

   65

LEGAL MATTERS

   66

EXPERTS

   66

WHERE YOU CAN FIND MORE INFORMATION

   66

INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

   67

Unless otherwise indicated or unless the context requires otherwise, all references in this prospectus supplement to “we,” “us,” “our” or the “Company” mean Kilroy Realty Corporation, including our consolidated subsidiaries.

You should rely only on the information contained in this document or incorporated by reference. Neither we nor the holders have authorized anyone to provide you with information or make any representation that is different. If anyone provides you with different or inconsistent information, you should not rely on it. Neither this prospectus supplement nor the accompanying prospectus is an offer to sell or a solicitation of an offer to buy any securities other than the registered securities to which it relates. Neither this prospectus supplement nor the accompanying prospectus is an offer to sell or the solicitation of an offer to buy securities in any jurisdiction where, or to any person to whom, it is unlawful to make an offer or solicitation. You should not assume that the information contained in this prospectus supplement or the accompanying prospectus is correct on any date after the date of this prospectus supplement and the date on the front of the accompanying prospectus, respectively, even though this prospectus supplement and the accompanying prospectus is delivered or shares are sold pursuant to the prospectus and prospectus supplement at a later date. Since the date of this prospectus supplement, our business, financial condition, results of operations and prospects may have changed.


Table of Contents

SELLING STOCKHOLDERS

The “selling stockholders” are the persons who have received or may receive shares of our common stock registered pursuant to this registration statement in exchange for common units. The following table provides the names of the selling stockholders, the maximum number of shares of common stock issued or issuable to the selling stockholders in the exchange and the aggregate number of shares of common stock that will be owned by the selling stockholders after the exchange. The number of shares on the following table represents the number of shares of common stock into which common units held by the selling stockholders are exchangeable, including those shares that have been issued in exchanges effected to date. Since the selling stockholders may sell all, some or none of their shares, we cannot estimate the aggregate number of shares that the selling stockholders will offer pursuant to this prospectus supplement and the accompanying prospectus or that the selling stockholders will own upon completion of the offering to which this prospectus supplement and the accompanying prospectus relates.

The selling stockholders named below may from time to time offer the shares of common stock offered by this prospectus supplement and the accompanying prospectus:

 

Name

   Common Shares
Owned Prior to
the Exchange(1)
    Maximum
Number of
Common Shares
Issued or
Issuable in the
Exchange and
Available for
Resale
    Common Shares
Owned Following
the Exchange(1)(2)
    Number of
Common Shares
to be Resold
   Common Shares
Owned After
Resale(1)(3)
       Shares    Percent        Shares    Percent

Steven L. Black

   196,545     76,896 (4)   273,441    *     76,896    196,545    *

San Diego Children’s Choir

   —       3,775 (4)   3,775    *     3,775    —     

Black Family Holdings, LLC

   225,492 (5)   163,395 (5)   388,887    1.2 %   163,395    225,492    *

Rancho Santa Fe School PTO/Endowment Fund

   —       1,000 (4)   1,000    *     1,000    —     

T. Patrick Smith 2001 Trust dated 6/29/2001

   59,999     79,915 (6)   139,914    *     79,915    59,999    *

Kathi Koll

   59,999     55,352 (4)   115,351    *     55,352    59,999    *
                               

Total

   542,035     380,333 (7)   922,368      380,333    542,035   

* Represents less than 1% of the total outstanding shares of common stock.

 

(1) Based on information available to us as of the date of this prospectus supplement.

 

(2) Assumes that we exchange the common units of the selling stockholders for shares of common stock. The percentage ownership is determined for each selling stockholder by taking into account the issuance and sale of shares of common stock issued in exchange for common units of only such selling stockholder. Also assumes that no transactions with respect to common stock or common units occur other than the exchange.

 

(3) Assumes the selling stockholders sell all of their shares of common stock offered pursuant to this prospectus supplement and the accompanying prospectus. The percentage ownership is determined for each selling stockholder by taking into account the issuance and sale of shares of common stock issued in exchange for common units of only such selling stockholder.

 

(4) Represents shares of common stock issued in exchange for common units.

 

(5) Pursuant to a Loan and Collateral Account Agreement by and among Black Family Holdings, LLC and Northern Trust Bank of California, N.A. (the “Loan Agreement”), 163,395 common units that are subject to this prospectus have been pledged by Black Family Holdings, LLC to Northern Trust Bank of California, N.A. as security for a loan or other extension of credit to Black Family Holdings, LLC. Upon a default under the Loan Agreement, Northern Trust Bank of California, N.A. or any of its affiliates may be a selling holder hereunder and upon the exchange of such common units, may sell the applicable shares of common stock offered by this prospectus.

 

(6) Represents 34,051 shares of common stock issued in exchange for common units and 45,864 shares of common stock issuable, at our option, upon exchange of presently outstanding common units, 45,864 of which are subject to a pledge by T. Patrick Smith 2001 Trust dated 6/29/2001 to Bank of Marin. These shares of common stock may be issued to Bank of Marin in exchange for the pledged common units in accordance with the partnership agreement only after it has exercised its rights as pledgee of the common units.

 

(7) Represents 171,074 shares of common stock issued in exchange for common units and 209,259 shares issuable, at our option, upon exchange of presently outstanding common units.

 

S-1