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Exhibit 10.15    
    

 
 

FIRST AMENDMENT TO
  CONSULTING AGREEMENT

        THIS
FIRST AMENDMENT TO CONSULTING AGREEMENT ("Amendment") is made and entered into as of this    day of August, 2004 by and between Pacific Coast National Bancorp
("Company") and Michael S. Hahn ("Consultant"). 

RECITALS  

        WHEREAS, the Company (formerly Western Pacific Bancorp, Inc.) and Consultant have entered into that certain
Consulting Agreement, dated November 1, 2003, by and between such parties ("Agreement"), providing for the provision of consulting services by Consultant to Company; and 

        WHEREAS, the parties mutually desire to amend certain provisions of the Agreement, which each of the undersigned agrees provides an
additional benefit to such person. 

        NOW, THEREFORE, in consideration of the foregoing, and the other promises, covenants and benefits set forth in this Amendment, the parties
hereto agree as follows: 

        1.     Term. Section 2 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        2.     Covenant Not to Compete. Section 7 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        3.     Continuing Effect. Except as otherwise provided herein, all other terms and conditions of the
Agreement shall remain in full force and effect. 

        4.     Multiple Counterparts. For the convenience of the parties hereto, this Amendment may be executed
in multiple counterparts, each of which shall be deemed an original, and all counterparts hereof so executed by the parties hereto, whether or not such counterpart shall bear the execution of each of
the parties hereto, shall be deemed to be, and shall be construed as, one and the same Amendment. A telecopy or facsimile transmission of a signed counterpart of this Amendment shall be sufficient to
bind the party or parties whose signature(s) appear thereon. 

        5.     Definitions. Any term not defined in this Amendment shall have the meaning set forth in the
Agreement. 

[signature page follows]

[signature page to Amendment]

        IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first written above. 

	PACIFIC COAST NATIONAL BANCORP	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Denis Morgan, Chairman

Personnel Committee	 	 	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Dennis Lindeman, Chairman

Executive Committee	 	 	 	 
	
CONSULTANT	
 	

 
	

 Michael S. Hahn	
 	

 

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Exhibit 10.15

FIRST AMENDMENT TO CONSULTING AGREEMENTQuickLinks
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Exhibit 10.16    
    

 
 

FIRST AMENDMENT TO
  CONSULTING AGREEMENT

        THIS
FIRST AMENDMENT TO CONSULTING AGREEMENT ("Amendment") is made and entered into as of this    day of August, 2004 by and between Pacific Coast National Bancorp
("Company") and GRCAC, LLC ("Consultant"). 

RECITALS  

        WHEREAS, the Company (formerly Western Pacific Bancorp, Inc.) and Consultant have entered into that certain
Consulting Agreement, dated November 1, 2003, by and between such parties ("Agreement"), providing for the provision of consulting services by Consultant to Company; and 

        WHEREAS, the parties mutually desire to amend certain provisions of the Agreement, which each of the undersigned agrees provides an
additional benefit to such person. 

        NOW, THEREFORE, in consideration of the foregoing, and the other promises, covenants and benefits set forth in this Amendment, the parties
hereto agree as follows: 

        1.     Term. Section 2 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        2.     Covenant Not to Compete. Section 7 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        3.     Continuing Effect. Except as otherwise provided herein, all other terms and conditions of the
Agreement shall remain in full force and effect. 

        4.     Multiple Counterparts. For the convenience of the parties hereto, this Amendment may be executed
in multiple counterparts, each of which shall be deemed an original, and all counterparts hereof so executed by the parties hereto, whether or not such counterpart shall bear the execution of each of
the parties hereto, shall be deemed to be, and shall be construed as, one and the same Amendment. A telecopy or facsimile transmission of a signed counterpart of this Amendment shall be sufficient to
bind the party or parties whose signature(s) appear thereon. 

        5.     Definitions. Any term not defined in this Amendment shall have the meaning set forth in the
Agreement. 

[signature page follows]

[signature page to Amendment]

        IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first written above. 

	PACIFIC COAST NATIONAL BANCORP	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Denis Morgan, Chairman

Personnel Committee	 	 	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Dennis Lindeman, Chairman

Executive Committee	 	 	 	 
	
CONSULTANT	
 	

 
	
GRCAC, LLC	
 	

 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Richard W. Grinyer

Managing Member	 	 	 	 

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Exhibit 10.16

FIRST AMENDMENT TO CONSULTING AGREEMENTQuickLinks
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Exhibit 10.17    
    

 
 

FIRST AMENDMENT TO
  CONSULTING AGREEMENT

        THIS
FIRST AMENDMENT TO CONSULTING AGREEMENT ("Amendment") is made and entered into as of this    day of August, 2004 by and between Pacific Coast National Bancorp
("Company") and Colin Forkner ("Consultant"). 

RECITALS  

        WHEREAS, the Company (formerly Western Pacific Bancorp, Inc.) and Consultant have entered into that certain
Consulting Agreement, dated February 1, 2004, by and between such parties ("Agreement"), providing for the provision of consulting services by Consultant to Company; and 

        WHEREAS, the parties mutually desire to amend certain provisions of the Agreement, which each of the undersigned agrees provides an
additional benefit to such person. 

        NOW, THEREFORE, in consideration of the foregoing, and the other promises, covenants and benefits set forth in this Amendment, the parties
hereto agree as follows: 

        1.     Term. Section 2 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        2.     Covenant Not to Compete. Section 7 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        3.     Continuing Effect. Except as otherwise provided herein, all other terms and conditions of the
Agreement shall remain in full force and effect. 

        4.     Multiple Counterparts. For the convenience of the parties hereto, this Amendment may be executed
in multiple counterparts, each of which shall be deemed an original, and all counterparts hereof so executed by the parties hereto, whether or not such counterpart shall bear the execution of each of
the parties hereto, shall be deemed to be, and shall be construed as, one and the same Amendment. A telecopy or facsimile transmission of a signed counterpart of this Amendment shall be sufficient to
bind the party or parties whose signature(s) appear thereon. 

        5.     Definitions. Any term not defined in this Amendment shall have the meaning set forth in the
Agreement. 

[signature page follows]

[signature page to Amendment]

        IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first written above. 

	PACIFIC COAST NATIONAL BANCORP	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Denis Morgan, Chairman

Personnel Committee	 	 	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Dennis Lindeman, Chairman

Executive Committee	 	 	 	 
	
CONSULTANT	
 	

 
	

 Colin Forkner	
 	

 

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Exhibit 10.17

FIRST AMENDMENT TO CONSULTING AGREEMENTQuickLinks
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Exhibit 10.18    
    

 
 

FIRST AMENDMENT TO
  CONSULTING AGREEMENT

        THIS
FIRST AMENDMENT TO CONSULTING AGREEMENT ("Amendment") is made and entered into as of this    day of August, 2004 by and between Pacific Coast National Bancorp
("Company") and Terry A. Stalk ("Consultant"). 

RECITALS  

        WHEREAS, the Company (formerly Western Pacific Bancorp, Inc.) and Consultant have entered into that certain
Consulting Agreement, dated August 1, 2004, by and between such parties ("Agreement"), providing for the provision of consulting services by Consultant to Company; and 

        WHEREAS, the parties mutually desire to amend certain provisions of the Agreement, which each of the undersigned agrees provides an
additional benefit to such person. 

        NOW, THEREFORE, in consideration of the foregoing, and the other promises, covenants and benefits set forth in this Amendment, the parties
hereto agree as follows: 

        1.     Term. Section 2 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        2.     Covenant Not to Compete. Section 7 of the Agreement shall be amended by substituting
"June 30, 2005" for "December 31, 2004". 

        3.     Continuing Effect. Except as otherwise provided herein, all other terms and conditions of the
Agreement shall remain in full force and effect. 

        4.     Multiple Counterparts. For the convenience of the parties hereto, this Amendment may be executed
in multiple counterparts, each of which shall be deemed an original, and all counterparts hereof so executed by the parties hereto, whether or not such counterpart shall bear the execution of each of
the parties hereto, shall be deemed to be, and shall be construed as, one and the same Amendment. A telecopy or facsimile transmission of a signed counterpart of this Amendment shall be sufficient to
bind the party or parties whose signature(s) appear thereon. 

        5.     Definitions. Any term not defined in this Amendment shall have the meaning set forth in the
Agreement. 

[signature page follows]

[signature page to Amendment]

        IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first written above. 

	PACIFIC COAST NATIONAL BANCORP	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Denis Morgan, Chairman

Personnel Committee	 	 	 	 
	

By:	
 	

 	
 	

 	
 	

 
	 	 	
 Dennis Lindeman, Chairman

Executive Committee	 	 	 	 
	
CONSULTANT	
 	

 
	

 Terry A. Stalk	
 	

 

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Exhibit 10.18

FIRST AMENDMENT TO CONSULTING AGREEMENT

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