Company:  ARIBA INC
Form Type:  4
Filing Date:  2/29/2012 
CIK:  0001084755 
Address:  910 HERMOSA COURT 
City, State, Zip:  SUNNYVALE, California 94085 
Telephone:  (650) 930-6200 
Fiscal Year:  09/30 
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    REPORTING OWNERS
    SIGNATURES