REDWOOD SHORES, Calif., Dec. 29 /PRNewswire-FirstCall/ -- In a statement today, Oracle spokesperson, Bob Wynne said, "Given Siebel's announcement today, we look forward to a favorable Siebel stockholder meeting on January 31st and completion of the merger on the same day or very soon after."

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Important Information

This document may be deemed to be solicitation material in respect of the proposed business combination of Oracle and Siebel Systems. In connection with the proposed transaction, a registration statement on Form S-4 was filed with the SEC on October 19, 2005 (Registration No. 333-129139), containing a preliminary proxy statement/prospectus and other documents filed by Oracle and Siebel Systems. STOCKHOLDERS OF SIEBEL SYSTEMS ARE ENCOURAGED TO READ THE REGISTRATION STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, INCLUDING THE PROXY STATEMENT/PROSPECTUS THAT IS PART OF THE REGISTRATION STATEMENT, BECAUSE THEY CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED BUSINESS COMBINATION. ANY OFFER OF SECURITIES WILL ONLY BE MADE PURSUANT TO A DEFINITIVE PROXY STATEMENT/PROSPECTUS. The final proxy statement/prospectus will be mailed to stockholders of Siebel Systems and investors and security holders may obtain the documents free of charge at the SEC's website, http://www.sec.gov/, from Oracle Corporation, 500 Oracle Parkway, Redwood City, California 94065, Attention: Investor Relations, or from Siebel Systems, Inc., 2207 Bridgepointe Parkway, San Mateo, California 94404, Attention: Investor Relations.

Oracle, Siebel Systems and their respective directors and executive officers and other members of management and employees may be deemed to participate in the solicitation of proxies in respect of the proposed transactions. Information regarding Oracle's directors and executive officers is available in Oracle's proxy statement for its 2005 annual meeting of stockholders, which was filed with the SEC on August 30, 2005, and information regarding Siebel Systems' directors and executive officers is available in Siebel Systems' proxy statement for its 2005 annual meeting of stockholders, which was filed with the SEC on April 29, 2005. Additional information regarding the interests of such potential participants will be included in the proxy statement/prospectus and the other relevant documents filed with the SEC when they become available.

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CONTACT: Deborah Hellinger of Oracle, +1-650-506-5158, or
deborah.hellinger@oracle.com

Web site: http://www.oracle.com/