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EXHIBIT 99.1

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley
Act of 2002, the undersigned officer of Arden Realty, Inc. (the Company),
hereby certifies, to such officers knowledge, that:



(i)    the accompanying Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 2002 (the Report) fully complies with the
requirements of Section 13(a) or Section 15(d), as applicable, of the
Securities Exchange Act of 1934, as amended; and



(ii)   the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Partnership.



|                      |  |                                                                                                           
|--------------------- |  | ----------------------------------------------------------------------------------------------------------
|Dated: March 25, 2003 |  | /s/ Richard S. Ziman
Richard S. Ziman
Chairman of the Board and
Chief Executive Officer
Arden Realty, Inc.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.

The foregoing certification is being furnished solely to accompany the Report
pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18
of the Securities Exchange Act of 1934, as amended, and is not to be
incorporated by reference into any filing of the Partnership, whether made
before or after the date hereof, regardless of any general incorporation
language in such filing.





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Certification of Chief Financial Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley
Act of 2002, the undersigned officer of Arden Realty, Inc. (the Company),
hereby certifies, to such officers knowledge, that:



(i)    the accompanying Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 2002 (the Report) fully complies with the
requirements of Section 13(a) or Section 15(d), as applicable, of the
Securities Exchange Act of 1934, as amended; and



(ii)   the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Partnership.



|                      |  |                                                                                                           
|--------------------- |  | ----------------------------------------------------------------------------------------------------------
|Dated: March 25, 2003 |  | /s/ Richard S. Davis
Richard S. Davis
Senior Vice President and
Chief Financial Officer
Arden Realty, Inc.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.

The foregoing certification is being furnished solely to accompany the Report
pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18
of the Securities Exchange Act of 1934, as amended, and is not to be
incorporated by reference into any filing of the Partnership, whether made
before or after the date hereof, regardless of any general incorporation
language in such filing.





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Certification of President

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley
Act of 2002, the undersigned officer of Arden Realty, Inc. (the Company),
hereby certifies, to such officers knowledge, that:



(i)    the accompanying Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 2002 (the Report) fully complies with the
requirements of Section 13(a) or Section 15(d), as applicable, of the
Securities Exchange Act of 1934, as amended; and



(ii)   the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Partnership.



|                      |  |                                                                                                           
|--------------------- |  | ----------------------------------------------------------------------------------------------------------
|Dated: March 25, 2003 |  | /s/ Victor J. Coleman
Victor J. Coleman
President, Chief Operating Officer
and Director
Arden Realty, Inc.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.

The foregoing certification is being furnished solely to accompany the Report,
and is not being filed for purposes of Section 18 of the Securities Exchange
Act of 1934, as amended, and is not to be incorporated by reference into any
filing of the Partnership, whether made before or after the date hereof,
regardless of any general incorporation language in such filing.





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Certification of Executive Vice President

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley
Act of 2002, the undersigned officer of Arden Realty, Inc. (the Company),
hereby certifies, to such officers knowledge, that:



(i)    the accompanying Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 2002 (the Report) fully complies with the
requirements of Section 13(a) or Section 15(d), as applicable, of the
Securities Exchange Act of 1934, as amended; and



(ii)   the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Partnership.



|                      |  |                                                                                                                    
|--------------------- |  | -------------------------------------------------------------------------------------------------------------------
|Dated: March 25, 2003 |  | /s/ Andrew J. Sobel
Andrew J. Sobel
Executive Vice President  Strategic
Planning and Operations
Arden Realty, Inc.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.

The foregoing certification is being furnished solely to accompany the Report,
and is not being filed for purposes of Section 18 of the Securities Exchange
Act of 1934, as amended, and is not to be incorporated by reference into any
filing of the Partnership, whether made before or after the date hereof,
regardless of any general incorporation language in such filing.





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Certification of Senior Vice President

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley
Act of 2002, the undersigned officer of Arden Realty, Inc. (the Company),
hereby certifies, to such officers knowledge, that:



(i)    the accompanying Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 2002 (the Report) fully complies with the
requirements of Section 13(a) or Section 15(d), as applicable, of the
Securities Exchange Act of 1934, as amended; and



(ii)   the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Partnership.



|                      |  |                                                                                                              
|--------------------- |  | -------------------------------------------------------------------------------------------------------------
|Dated: March 25, 2003 |  | /s/ Robert C. Peddicord
Robert C. Peddicord
Senior Vice President  Leasing
and Operations
Arden Realty, Inc.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.

The foregoing certification is being furnished solely to accompany the Report,
and is not being filed for purposes of Section 18 of the Securities Exchange
Act of 1934, as amended, and is not to be incorporated by reference into any
filing of the Partnership, whether made before or after the date hereof,
regardless of any general incorporation language in such filing.





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Certification of General Counsel

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley
Act of 2002, the undersigned officer of Arden Realty, Inc. (the Company),
hereby certifies, to such officers knowledge, that:



(i)    the accompanying Annual Report on Form 10-K of the Company for the
fiscal year ended December 31, 2002 (the Report) fully complies with the
requirements of Section 13(a) or Section 15(d), as applicable, of the
Securities Exchange Act of 1934, as amended; and



(ii)   the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Partnership.



|                      |  |                                                                                     
|--------------------- |  | ------------------------------------------------------------------------------------
|Dated: March 25, 2003 |  | /s/ David A. Swartz
David A. Swartz
General Counsel and Secretary
Arden Realty, Inc.

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to
the Securities and Exchange Commission or its staff upon request.

The foregoing certification is being furnished solely to accompany the Report,
and is not being filed for purposes of Section 18 of the Securities Exchange
Act of 1934, as amended, and is not to be incorporated by reference into any
filing of the Partnership, whether made before or after the date hereof,
regardless of any general incorporation language in such filing.