Filed by Xerox Corporation

Pursuant to Rule 425 under the Securities Act of 1933

and deemed filed pursuant to Rule 14a-12 under the

Securities Exchange Act of 1934

Subject Company: Affiliated Computer Services, Inc.

Commission File No.: 1-12665

The proposed merger transaction involving Xerox and ACS will be submitted to the respective stockholders of Xerox and ACS for their consideration. In connection with the proposed merger, Xerox will file with the SEC a registration statement on Form S-4 that will include a joint proxy statement of Xerox and ACS that also constitutes a prospectus of Xerox. Xerox will mail the joint proxy statement/prospectus to its stockholders. Xerox and ACS urge investors and security holders to read the joint proxy statement/prospectus regarding the proposed transaction when it becomes available because it will contain important information. You may obtain a free copy of the joint proxy statement/prospectus, as well as other filings containing information about Xerox and ACS, without charge, at the SEC’s Internet site (http://www.sec.gov). Copies of the joint proxy statement/prospectus and the filings with the SEC that will be incorporated by reference in the joint proxy statement/prospectus can also be obtained, when available, without charge, from Xerox’s website, www.xerox.com, under the heading “Investor Relations” and then under the heading “SEC Filings”. You may also obtain these documents, without charge, from ACS’s website, www.acs-inc.com, under the tab “Investor Relations” and then under the heading “SEC Filings”.

Xerox, ACS and their respective directors, executive officers and certain other members of management and employees may be deemed to be participants in the solicitation of proxies from the respective stockholders of Xerox and ACS in favor of the merger. Information regarding the persons who may, under the rules of the SEC, be deemed participants in the solicitation of the respective stockholders of Xerox and ACS in connection with the proposed merger will be set forth in the joint proxy statement/prospectus when it is filed with the SEC. You can find information about Xerox’s executive officers and directors in its definitive proxy statement filed with the SEC on April 6, 2009. You can find information about ACS’s executive officers and directors in its definitive proxy statement filed with the SEC on April 14, 2009. You can obtain free copies of these documents from Xerox and ACS websites using the contact information above.

This release contains “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “will,” “should” and similar expressions, as they relate to us, are intended to identify forward-looking statements. These statements reflect management’s current beliefs, assumptions and expectations and are subject to a number of factors that may cause actual results to differ materially. These factors include but are not limited to: the unprecedented volatility in the global economy; the risk that the future business operations of ACS will not be successful; the risk that we will not realize all of the anticipated benefits from our acquisition of ACS; the risk that customer retention and revenue expansion goals for the ACS transaction will not be met and that disruptions from the ACS transaction will harm relationships with customers, employees and suppliers; the risk that unexpected costs will be incurred; the outcome of litigation and regulatory proceedings to which we may be a party; actions of competitors; changes and developments affecting our industry; quarterly or cyclical variations in financial results; development of new products and services; interest rates and cost of borrowing; our ability to protect our intellectual property rights; our ability to maintain and improve cost efficiency of operations, including savings from restructuring actions; changes in foreign currency exchange rates; changes in economic conditions, political conditions, trade protection measures, licensing requirements and tax matters in the foreign countries in which we do business; reliance on third parties for manufacturing of products and provision of services; and other factors that are set forth in the “Risk Factors” section, the “Legal Proceedings” section, the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section and other sections of our Quarterly Report on Form 10-Q for the quarters ended March 31, 2009 and June 30, 2009 and our 2008 Annual Report on Form 10-K and ACS’s 2009 Annual Report on Form 10-K filed with the Securities and Exchange Commission. Xerox assumes no obligation to update any forward-looking statements as a result of new information or future events or developments, except as required by law.

Investor Relations Xerox and ACS:  A New Solutions Provider “Where document management meets BPO”

Page 2 OUTPUT MANAGE Drawings Invoices Records Claims Applications INPUT Paper Documents Application Content Call Center Website Content Non-Paper Documents / Information Content & Document Management Finance Processes Human Resource Processes Customer Care Processes Records Management Processes Claims Processes Administrative Processes Marketing Processes Print Email Web Call Center Storage Document Lifecycle

Page 3 00101100010010001100110101010101000110010001010 00101100010010001100110101010101000110010001010 DataGlyphs ™ Annotation Lifting WordSpotting Hybrid Categorizer CategoriX ™ Document Separation Xerox Incremental Parser Create Gather Scan Delineate Categorize Index Analyze Act - - SMARTER DOCUMENT MANAGEMENT SM Structured content Automated and adaptable business processes Lean, productive work steps and enhanced decision making C C Unstructured content Manual and labor intensive business processes Complex, redundant, and non-value added steps …provides the ability to add intelligence and structure to documents digital and paper - to activate their content to streamline business processes and integrate with your structured data systems Xerox Technology CAPTURE MANAGE DELIVER

Page 4 CATEGORIZE SCAN GATHER INDEX ANALYZE ACT Xerox + ACS:  Document Process Optimization Mailroom Administration Services Document Imaging    Services Intelligent    Queue Processing (Healthcare Claims , Student Loans, Applications, etc) OCR Technology • Improved data capture CategoriX • Automated categorization ClusteriX • Pattern recognition • Reveals structure Incremental Parser • Analyze plain text • Incremental filter & analysis DataGlyphs • Encodes information on paper ACS – Provides Labor Based Savings To Client Processes Xerox – Technology To Automate Solutions

Page 5 Xerox / ACS Example – Healthcare Claims ACS Healthcare Claims Client • Mailroom Administration • Process over 200,000 claims per week • End-to-End Claims Processing • Intelligent Queue Process – Routes document processing based on operator skill level – Improved data cleansing – Increase documents that auto- adjudicate Xerox Technology Examples Categorix: automates document categorization for intelligent classification and routing – Auto categorization of incoming mailroom documents – Auto-enable Intelligent Queue Incremental Parser: automatically analyze plain text – Enables analytical processing of claims and transcriptions – Cost containment / fraud detection / quality control

Page 6 This presentation contains forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “will,” “should” and similar expressions, as they relate to us, are intended to identify forward-looking statements. These statements reflect management’s current beliefs, assumptions and expectations and are subject to a number of factors that may cause actual results to differ materially.  These factors include but are not limited to: the unprecedented volatility in the global economy; the risk that the future business operations of ACS will not be successful; the risk that we will not realize all of the anticipated benefits from our acquisition of ACS; the risk that customer retention and revenue expansion goals for the ACS transaction will not be met and that disruptions from the ACS transaction will harm relationships with customers, employees and suppliers;  the risk that unexpected costs will be incurred; the outcome of litigation and regulatory proceedings to which we may be a party; actions of competitors; changes and developments affecting our industry; quarterly or cyclical variations in financial results; development of new products and services; interest rates and cost of borrowing; our ability to protect our intellectual property rights; our ability to maintain and improve cost efficiency of operations, including savings from restructuring actions; changes in foreign currency exchange rates; changes in economic conditions, political conditions, trade protection measures, licensing requirements and tax matters in the foreign countries in which we do business; reliance on third parties for manufacturing of products and provision of services; and other factors that are set forth in the “Risk Factors” section, the “Legal Proceedings” section, the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section and other sections of Xerox’s Quarterly Report on Form 10-Q for the quarters ended March 31, 2009 and June 30, 2009, Xerox’s 2008 Annual Report on Form 10-K and ACS’s 2009 Annual Report on Form 10-K filed with the Securities and Exchange Commission.  Neither Xerox nor ACS assume any obligation to update any forward-looking statements as a result of new information or future events or developments, except as required by law. Forward-Looking Statements

Page 7 The proposed merger transaction involving Xerox and ACS will be submitted to the respective stockholders of Xerox and ACS for their consideration.  In connection with the proposed merger, Xerox will file with the SEC a registration statement on Form S-4 that will include a joint proxy statement of Xerox and ACS that also constitutes a prospectus of Xerox.  Xerox will mail the joint proxy statement/prospectus to its stockholders.  Xerox and ACS urge investors and security holders to read the joint proxy statement/prospectus regarding the proposed transaction when it becomes available because it will contain important information.  You may obtain a free copy of the joint proxy statement/prospectus, as well as other filings containing information about Xerox and ACS, without charge, at the SEC’s Internet site (http://www.sec.gov).  Copies of the joint proxy statement/prospectus and the filings with the SEC that will be incorporated by reference in the joint proxy statement/prospectus can also be obtained, when available, without charge, from Xerox’s website, www.xerox.com, under the heading “Investor Relations” and then under the heading “SEC Filings”.  You may also obtain these documents, without charge, from ACS’s website, www.acs-inc.com, under the tab “Investor Relations” and then under the heading “SEC Filings”.  Xerox, ACS and their respective directors, executive officers and certain other members of management and employees may be deemed to be participants in the solicitation of proxies from the respective stockholders of Xerox and ACS in favor of the merger.  Information regarding the persons who may, under the rules of the SEC, be deemed participants in the solicitation of the respective stockholders of Xerox and ACS in connection with the proposed merger will be set forth in the joint proxy statement/prospectus when it is filed with the SEC.  You can find information about the Xerox’s executive officers and directors in its definitive proxy statement filed with the SEC on April 6, 2009.  You can find information about ACS’s executive officers and directors in its definitive proxy statement filed with the SEC on April 14, 2009.  You can obtain free copies of these documents from Xerox and ACS websites using the contact information above.   Rule 425 Statement “ “ ” ”