Exhibit (b4-4) THIRTEENTH AMENDMENT TO THE CAPITOL BANCORP LTD. EMPLOYEE SAVINGS AND STOCK OWNERSHIP PLAN The Capitol Bancorp Ltd. Employee Savings and Stock Ownership Plan is hereby amended effective January 1, 2001 by adding the following participating employer at the end of the list contained: Name of Type of State of Date of Employer Entity Organization Participation -------- ------ ------------ ------------- Yuma Community Bank Corp. Arizona 1/1/2001 Bank CAPITOL BANCORP LIMITED Dated: 12-13-00 By: /s/ Joseph D. Reid -------------------- ------------------------------------ Joseph D. Reid Chairman and CEO YUMA COMMUNITY BANK Dated: 12-13-00 By: /s/ Katherine M. Brandon -------------------- ------------------------------------ Katherine Brandon, President