**EXHIBIT 31.2**
**CERTIFICATION OF CHIEF FINANCIAL OFFICER AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**
I, Eric Borrmann, certify that:
     1. I have reviewed this annual report on Form 10-K of Plumtree Software, Inc.
     2. Based on my knowledge, this report does not contain any untrue statement ofa material fact or omit to state a material fact necessary to make the statements made, in light ofthe circumstances under which such statements were made, not misleading with respect to the periodcovered by this report.
     3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, and for, the periodspresented in this report;
     4. The registrant’s other certifying officer(s) and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange ActRules 13a-15(f) and 15d-15(f)) for the registrant and have:
     a. Designed such disclosure controls and procedures, or causedsuch disclosure controls and procedures to be designed under oursupervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made knownto us by others within those entities, particularly during theperiod in which this report is being prepared;
     b. Designed such internal control over financialreporting, or caused such internal control over financial reportingto be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and thepreparation of financial statements for external purposes inaccordance with generally accepted accounting principles;
     c. Evaluated the effectiveness of the registrant’s disclosurecontrols and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures,as of the end of the period covered by this report based on suchevaluation; and
     d. Disclosed in this report any change in the registrant’sinternal control over financial reporting that occurred during theregistrant’s most recent fiscal quarter (the registrant’s fourthfiscal quarter in the case of an annual report) that has materiallyaffected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting;
     5. The registrant’s other certifying officer(s) and I have disclosed, based onour most recent evaluation of internal control over financial reporting, to the registrant’sauditors and the audit committee of the registrant’s board of directors (or persons performing dueequivalent functions):
     a. All significant deficiencies in the design or operation ofinternal controls over financial reporting which are reasonablylikely to adversely affect the registrant’s ability to record,process, summarize and report financial information; and
     b. Any fraud, whether or not material, that involves managementor other employees who have a significant role in the registrant’sinternal control over financial reporting.
Date: March 11, 2005    By: /s/ Eric Borrmann      Name: Eric Borrmann      Title: Chief Financial Officer  
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