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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 10-K

Commission file number 0-15325

Ascential Software Corporation
(formerly Informix Corporation)
(Exact name of registrant as specified in its charter)

        Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý    No o

        Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ý

        Indicate by check mark whether the registrant is an accelerated filer (as defined in Exchange Act Rule 12b-2). Yes ý    No o

        The aggregate market value of the voting stock held by non-affiliates of the registrant as of June 30, 2003 based on the closing sales price of the Company's common stock, as reported on The NASDAQ Stock Market, was $691.9 million. Shares of common stock held by each executive officer and director have been excluded in that such persons may be deemed to be affiliates. This determination of affiliate status is not intended as a conclusive determination for any other purpose.

        As of February 27, 2004, the registrant had 60,280,710 shares of Common Stock issued and outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant's definitive proxy statement for its annual meeting of stockholders for the fiscal year ended December 31, 2003, which will be filed with the Securities and Exchange Commission within 120 days after the end of the registrant's fiscal year, are incorporated by reference into Part III hereof.

ASCENTIAL SOFTWARE CORPORATION

ANNUAL REPORT ON FORM 10-K

TABLE OF CONTENTS

Ascential, Ascential DataStage, Ascential QualityStage, Ascential ProfileStage, Ascential Enterprise Integration Suite, and Ascential Real-Time Integration Services are trademarks of Ascential Software Corporation or its affiliates and may be registered in the United States or other jurisdictions. Other marks are the property of the owners of those marks.

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PART I

        This report contains forward-looking statements that are subject to certain risks and uncertainties that could cause actual results to differ materially from historical results or anticipated results. These risks and uncertainties include, but are not limited to, those set forth under "Management's Discussion and Analysis of Financial Condition and Results of Operations — Factors That May Affect Future Results" and elsewhere in, or incorporated by reference into, this report. Readers of this report should review carefully these factors as well as the description of risks and uncertainties, which, together with other detailed information about us, is contained in other documents and periodic reports that we file from time to time with the Securities and Exchange Commission. These forward-looking statements reflect management's opinions only and only as of the date of this report and we disclaim any obligation to update or revise these statements.

Item 1. Business

Business Overview

        Overview.    Headquartered in Westborough, Massachusetts since July 2001, Ascential Software Corporation is a leading supplier of enterprise integration solutions to the Global 2000 and other large organizations. We believe that the Ascential Enterprise Integration Suite, built upon a highly scalable platform, is the industry's only single vendor solution that addresses the full range of enterprise data integration needs, and turns data into "Intelligent Information" — information that is reliable, relevant, and complete — so organizations can make better-informed business decisions and drive their strategic application initiatives.

        We were incorporated in Delaware in 1986 and, until the third quarter of 2001, operated under the name "Informix Corporation". Effective January 1, 2001, we consolidated our business units into two operating segments: (i) Informix Software, which operated our database software systems business, and (ii) Ascential Software, which operated our extract, transform and load ("ETL") and digital asset management software and solutions business. During the third quarter of 2001, we completed the sale of our database business assets, including the name "Informix", to IBM for $1.0 billion in cash, which we refer to as the "IBM Transaction" (see Note 14 of Notes to Consolidated Financial Statements). In connection with the IBM Transaction, we changed our name to "Ascential Software Corporation" and changed the symbol under which our stock is traded on the NASDAQ National Market to "ASCL". These changes became effective in July 2001. During 2002 and 2003, after the sale of the assets related to our database business, our sole operating segment has been our Ascential Software business.

        Our revenue for 2003, 2002 and 2001 attributable to all operations were $185.6 million, $113.0 million and $481.3 million, respectively. Net income in 2003 was $15.8 million, net loss in 2002 was $63.6 million and net income in 2001 was $624.9 million. Total assets were $967.0 million and $906.3 million, respectively, in 2003 and 2002. Revenue and net income in 2001 include amounts attributable to the Informix Software assets that were sold to IBM in July 2001.

        Industry Background.    Data integration is the means by which organizations understand the data scattered throughout or external to their organization, access it and deliver it, adapted for its intended use, to enterprise applications and data warehouses. Historically, many organizations accomplished this through internal hand-coded programs that would extract data from one or more sources and deliver it to a target system. By the mid-1990s, certain companies, including Ascential, began developing packaged applications that would efficiently accomplish this basic extract, transform and load, or "ETL", function. By accessing data from various disparate sources and delivering it to the applications that require it, business users can leverage those applications to make mission-critical decisions.

        Data integration has evolved from earlier ETL functionality to encompass additional functionality, such as expanded connectivity, data profiling, data quality, bi-directional metadata (data about data)

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management, data transformation and routing and highly scalable parallel processing technology. We believe that some key factors and trends driving demand for packaged data integration solutions include the following:

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Substantial investments in enterprise applications are failing to realize expected return on investment due to inadequately addressed data issues.



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Data volume and data complexity are both expanding at a rapid pace, straining the ability of in-house coding to satisfy demand.



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"Real time" functionality is becoming a much more prevalent requirement, which in-house coding may be ill-equipped to address.



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Many in-house programming organizations do not have adequate time or resources to devote to the creation and maintenance of additional functionality such as data profiling, data quality, bi-directional metadata management and highly-scalable parallel processing technology.

        Solution.    Our products for automated data profiling, data quality management and cleansing, and data transformation address the needs of organizations that have invested in enterprise applications such as customer relationship management ("CRM"), enterprise resource planning ("ERP"), supply chain management ("SCM"), analytic applications, transactional environments, or data stores such as data warehouses and data marts.

        We have combined the functionality of all of our core integration services onto a single enterprise data integration platform that provides end-to-end metadata management. Our integration platform provides definition and history of the data used to drive strategic enterprise applications. It also provides connectivity between virtually any standard data source and any target application, and virtually unlimited scalability and performance through our parallel processing engine. This complete offering is called the Ascential Enterprise Integration Suite.

        We also offer a full range of consulting, educational and support services to assist our clients through all phases of a project. Based on demonstrated methodologies, these services represent years of accumulated capital in terms of knowledge and experience, gained through many successful engagements across a range of industries and enterprise application requirements.

        We support more than 3,000 customers in such industries as insurance, financial services, healthcare, life sciences, manufacturing, consumer goods, retail, telecommunications and government, in all major markets around the world. One of our resellers, IBM, accounted for more than 10% of our revenues in 2002. In 2003, no single customer accounted for more than 10% of our revenue. Termination of our relationship with IBM, if it were to occur, could have a negative impact on our financial results if the revenue is not replaced.

        Products.    Our products, as described below, are designed to operate as part of the Ascential Enterprise Integration Suite, or as stand-alone integration components. Our product functionality includes: automated data profiling to analyze and manage source data content and structure; data quality and cleansing to identify, correct and reconcile inaccurate, misdirected, or redundant data; and data transformation to obtain data from a source, format it as required for its intended purpose, and deliver it to a specified target system. Our products are supported by a comprehensive platform of integration services that delivers end-to-end metadata management, connectivity between virtually any standard data source and any application, and virtually unlimited scalability by virtue of massively-parallel processing technology. These applications may be deployed in any configuration to support event driven or scheduled processing, as well as deployed as enterprise web services that are called on demand by a service-oriented application. This combination of integration products built on a platform of integration services forms the Ascential Enterprise Integration Suite.

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        The Ascential Enterprise Integration Suite offers a comprehensive, modular solution that can expand with business needs or as customer budgets dictate. We believe our customers benefit from the ability to deploy the complete Ascential Enterprise Integration Suite to address the entire enterprise data integration life cycle, or use individual integration products and add other components as needed. This approach allows customers to achieve complete integration through application of the entire Ascential Enterprise Integration Suite, or to realize targeted benefits through application of one or more components of the Ascential Enterprise Integration Suite, with the ability to later add the other components to create a single, integrated solution.

Ascential ProfileStage — Source System Discovery

        Our Ascential ProfileStage product, acquired originally from Metagenix, Inc. ("Metagenix") on March 31, 2002, and significantly enhanced in our latest version 7.0, is the core data profiling product in the Ascential Enterprise Integration Suite. Ascential ProfileStage facilitates understanding of data sources by profiling source data, analyzing column values and structures, and providing target database recommendations, such as primary keys, foreign keys, and table normalizations. Based on this information, Ascential ProfileStage builds a model of the data to facilitate source-to-target mapping and automatically generates integration jobs.

Ascential QualityStage — Data Preparation and Cleansing

        Our Ascential QualityStage product, acquired through the acquisition of Vality Technology Incorporated ("Vality") on April 3, 2002, is the core data quality component of Ascential Enterprise Integration Suite. Ascential QualityStage is designed to ensure that strategic systems deliver accurate, complete information to business users seeking a single view of customers, suppliers, and products from across their enterprise. Through a user-friendly graphical interface, Ascential QualityStage provides quality control mechanisms over structured data elements — international names and addresses, phone numbers, birth dates, part numbers and descriptions, suppliers, email addresses and other data — and seeks to determine relationships among them. Based on rigorous statistical principles, Ascential QualityStage's probabilistic matching capabilities are designed to detect duplications (despite anomalous, inconsistent, and missing data values) and reconcile or discard records as appropriate.

Ascential DataStage — Data Transformation and Integration

        Ascential DataStage, our data transformation and integration solutions family, is designed to integrate enterprise information across various sources and targets within specified timeframes. Ascential DataStage features a powerful architecture designed to provide developers with increased speed and flexibility in building, deploying and managing their data integration infrastructure across all manner of analytical, operational and transactional environments. With features such as a graphical user interface driven "work as you think" design metaphor, a library of over 300 pre-built transformations, support for job reuse, versioning and sharing, and event-based job scheduling, Ascential DataStage is designed to enable companies to minimize internal resources allocated to development of integration jobs. Additionally, Ascential DataStage incorporates Packaged Application Connectivity Kits ("PACKs") for many popular enterprise applications, including SAP, Siebel, Oracle and PeopleSoft.

        Ascential DataStage TX, acquired through the acquisition of Mercator Software, Inc. ("Mercator") on September 12, 2003, extends the transformation capabilities of the Ascential Enterprise Integration Suite to support event driven, parsing, validation and transformation of complex, hierarchical data formats. This functionality is essential in many industries that rely on specific document formats such as the Electronic Data Interchange (EDI) format to conduct business with customers, financial institutions and partners.

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        The Ascential Enterprise Integration Suite and its component products are available in standard and enterprise editions. The configuration options of the products enable customers to purchase the functionality they need on a project basis, or deploy the Ascential Enterprise Integration Suite as an enterprise standard, scalable to meet the largest data integration requirement. In the enterprise edition, our patented parallel processing technology will automatically reconfigure the solution to take advantage of complex symmetric multiprocessing or massively parallel multiprocessing CPU configurations to significantly increase throughput.

        Services.    We believe that a highly skilled customer service organization is a key factor in our success in the enterprise data integration software market. While services are not necessary for customers to benefit from our software products, our professional services consultants offer customers the ability to implement their integration projects faster and can often structure implementation to optimize user-defined objectives. In addition to professional service consulting fees, services revenues consist primarily of software maintenance and support fees and customer education fees.

        We maintain both field-based and centralized corporate technical staffs to provide a comprehensive range of assistance to customers and resellers. Services include post-sales technical support, consulting, and product education. Consultants and educators provide services to customers to assist in their use of our products and their design and development of applications that utilize our products.

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Customer Care

        We also provide customer service via telephone, e-mail exchange and web site access. All of our maintenance customers have access to customer service resources, delivered by service professionals focused on resolution of customer issues.

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Consulting Services

        We offer a variety of consulting services to our customers directly and through third-party systems integrators. Consulting services include implementation assistance, project planning and deployment, and systems configuration. Our advanced consulting group is focused on helping customers implement new technologies and product releases. We complement our professional service offerings by working with leading international and regional third-party consulting and systems integration firms to provide customers with a full range of service options.

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Customer Education and Training

        We offer comprehensive education and training courses that provide a broad selection of classroom, computer-based certification, and custom education offerings intended to assist customers and resellers to optimally deploy and use our products. Training is also available to value-added resellers, systems integrators and embedded resellers.

        Strategy.    Our business objective is to continually expand our leadership position in delivering enterprise data integration software solutions to the Global 2000 and governmental entities. Key elements of our strategy to achieve this business objective are as follows:

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We have engaged in a deliberate expansion of our original ETL product offering through internal development and through external acquisitions to encompass broader connectivity, expanded support of industry standards such as web services, data profiling, data quality, rich metadata management and parallel processing technology. We currently offer end-to-end data integration, which we believe is unique in the industry and may provide us with meaningful competitive differentiation.



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We have expanded our strategic alliances with IBM, SAP, business intelligence vendors and systems integrators, among others, to broaden our market reach. By the end of 2003, the proportion of our license revenue from, or strongly influenced by, these relationships was

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approximately 36% compared to 44% in 2002. Although the percentage of our license revenue from these relationships decreased in 2003, barring unforeseen circumstances, we do not expect revenue from strategic alliances to decrease in the future as a proportion of license revenue.

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Our marketing and sales organization is seeking to increase our visibility and brand awareness through a number of initiatives, including expanding our Customer Advisory Board, conducting our annual Ascential World global user conference, conducting proactive public relations activities, participating in major industry and partner events, actively maintaining industry analyst relations, conducting web-based seminars and direct email campaigns, communicating through our web site and continual direct sales and account management contact with customers and prospects. In addition, we actively participate in several industry standards organizations such as OASIS, ACORD, SWIFT and WS-I.



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We have dedicated substantial financial resources to broadening and deepening our enterprise data integration platform, and our plan is to utilize our resources in the future to continue building out a platform that can deliver a highly differentiated enterprise data integration platform.

Sales and Marketing

        We distribute products through four main channels: direct sales end-user licensing, value-added resellers, systems integrators and embedded resellers. We also regularly receive customer referrals from enterprise application and business intelligence vendors whose customers can benefit from the data integration functionality of our products. We use a multiple channel distribution strategy to maintain broad market coverage and competitiveness. Discount policies and reseller licensing programs are intended to support each distribution channel with a minimum of channel conflict and are focused on maximizing our market reach and meeting evolving customer purchasing requirements. The principal geographic markets for our products are North America, Europe and the Asia/Pacific region. Our revenues for 2003, 2002 and 2001 attributable to operations within the United States were $99.8 million, $60.8 million and $242.4 million, or 54%, 54% and 50% of total revenues, respectively, while revenues attributable to international operations during the same periods were $85.8 million, $52.2 million and $238.9 million, or 46%, 46% and 50% of total revenues, respectively. Revenues in 2001 include amounts attributable to Informix Software, the assets of which were sold to IBM in July 2001. See Note 9 to Notes to Consolidated Financial Statements attached to this report for summary information regarding revenues derived from our geographic regions. See also "Management's Discussion and Analysis of Financial Condition and Results of Operations — Factors That May Affect Future Results" regarding risks related to our foreign operations.

        Historically, our sales patterns have demonstrated seasonality over the course of the year. Typically, the first quarter is weaker because many customers have just completed their fourth quarter and used their budget allocations for the prior year. The second quarter generally shows increases in spending over the first quarter. The third quarter tends to be weaker than the second quarter due to extensive vacation and holiday schedules, primarily in Europe, which slows software spending decision cycles. The fourth quarter has historically been the strongest revenue quarter of the year, as customers complete their capital spending for the year. Although these patterns have been prevalent in the past, there is no guarantee that these trends will continue, or that they will persist despite factors that affect the economy or IT investment by companies domestically and abroad. See "Management's Discussion and Analysis of Financial Condition and Results of Operations — Factors That May Affect Future Results".

        In support of our sales efforts, we conduct comprehensive integrated marketing programs, which include a variety of marketing activities such as telemarketing, direct mail, e-mail campaigns, local events, public relations activities, seminars, tradeshows and ongoing customer communications programs. The sales cycle begins with the generation of a sales lead, or often the receipt of a request

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for proposal or request for information from a prospective customer, followed by a qualification of the lead, analysis of the customer's needs, response to the request for proposal or request for information (if solicited by the customer), one or more presentations to the customer, proof of concept (if required), customer internal approval activities, contract negotiation and shipment to the customer. While the sales cycle from customer to customer can vary considerably, the sales cycle has in recent years ranged from approximately three to twelve months.

        Our sales and marketing strategy is based on building and maintaining our position as a category and thought leader with our customers and key industry influencers and forging strong relationships with organizations that can positively influence the sale of our products. Our customers and prospective customers often rely on third-party systems integrators or other technology partners, such as analytic, database, enterprise software and hardware vendors to structure, develop, deploy and manage an overall solution that may include our products. We have conducted several joint marketing and sales programs with partners in each of these categories and continue to invest in market development activities that include market education, seminars, direct mail campaigns and conference and exhibition participation.

Long-lived assets

        We have recorded long-lived assets, primarily property and equipment, software development costs, goodwill, and intangible assets, and in the year ended 2001, the receivable from the sale of the database business to IBM (see Note 14 of Notes to Consolidated Financial Statements). The total value of these long-lived assets was $384.1 million, $205.5 million and $220.7 million, respectively, at December 31, 2003, 2002 and 2001. In the United States, the value of these long-lived assets was $380.9 million, $202.8 million and $212.8 million at December 31, 2003, 2002 and 2001, respectively. The value of these long-lived assets attributable to international operations was $3.2 million, $2.7 million and $8.0 million at December 31, 2003, 2002 and 2001, respectively.

Licensing

End-User Licensing

        We license software to organizations worldwide through a direct sales force. Our infrastructure solutions are sold principally to Global 2000 and government agencies and organizations seeking to convert their volumes of unrefined data into reliable and reusable information assets. Our observation has been that certain organizations have begun to standardize their information solutions enterprise-wide and are entering into more global enterprise agreements. This can result in volume-based discounts for those organizations that deploy our products on a large scale.

Value-Added Reseller, Systems Integrators and OEM Licensing

        We license products to value-added resellers, such as IBM, who in turn distribute our products as part of their total solutions. A typical reseller sells our products to handle the integration of data into or from their applications (such as a data management solution or an analytic application for risk management). We also work with many business intelligence and applications vendors whose customers require the capabilities of our product. These vendors usually do not resell our products to their customers directly, but rather refer these customers to us in exchange for a referral fee. We provide specialized programs to support our reseller distribution channel. Under these programs, we have provided a combination of marketing development services, consulting and technical marketing support and discounts. Systems integrators typically do not distribute our software. In most cases they include us, on a referral basis, in a project in which one or more elements of our integration suite is required in order to fulfill their clients' needs. We also conduct business through original equipment

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manufacturers (OEMs) who include our technology as components of their offerings, but the amount of revenue from this source is not currently significant.

Maintenance and Support

        We offer our customers a variety of options with respect to software maintenance and upgrade support. Enhanced enterprise support offerings are also available for customers seeking additional services and support. We currently offer four progressive levels of maintenance offerings ranging from web-based e.Support to Premier (8:00 - 5:00 local) to Premier Anytime (24 × 7) to Enterprise Support, which incorporates service level agreements. We also provide an e.Learning facility that is a key component of our Premier, Premier Anytime and Enterprise Support offerings.

Competition

        The enterprise integration software market is extremely competitive and subject to rapid technological change and frequent new product introductions and enhancements. Our competitors in the market include in-house hand-coded solutions, vendors that develop and market certain aspects of the data integration requirement and certain business intelligence vendors who have embedded limited data transformation and loading capabilities into their offerings. Other vendors that offer ETL functionality include, among others, Informatica, Microsoft, SAS, Business Objects, Oracle and Cognos. We also face competition from private companies such as ETI, as well as various enterprise software vendors who have embedded ETL capabilities, and companies' own internal development resources. Competitors for Ascential ProfileStage, our data profiling offering, include Avellino and Evoke, among others. Competitors for Ascential QualityStage, our data quality offering, include Firstlogic, Group One and Trillium, among others. We believe that there is no single competitor that competes across the full range of our enterprise data integration platform at present. We believe that we are a strong competitor in the market with each of our data integration component products, and the recognized leader in providing end-to-end enterprise data integration.

        Competitors in the enterprise data integration market compete primarily on the basis of product performance and capabilities but also technical product support, services and price. We believe that the following factors influence our competitive position in the market:

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Breadth and completeness of each product to meet or exceed the functional requirements of its specific market.



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The ability of products to interoperate synergistically together, providing an end-to-end solution for data integration tasks, accelerating time to market while reducing overall implementation costs.



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The ability of each product to maximize investments in hardware and software, to achieve operational efficiencies, and to scale to handle extremely large data volumes.



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Reliability and serviceability of products.



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Total cost of ownership.



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The desire of customers to reduce the number of vendors with whom customers do business.



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Availability of a comprehensive services offering.



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Vendor viability and commitment to the enterprise integration market.



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The ability to develop, introduce and support innovative products and the market's acceptance of such technical innovations.

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Product Development

        Major product releases resulting from research and development projects in 2003 included the Ascential Enterprise Integration Suite 7.0, the most advanced version of our flagship enterprise integration solution, and Ascential Real-Time Integration Services (RTI Services). This breakthrough technology extends the reach of our powerful data profiling, data quality, data transformation, parallel processing, meta data and connectivity solutions by enabling the seamless interoperability of our data integration solutions within an enterprise's service-oriented architecture (SOA).

        Our current product development efforts are focused on:

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Enhancing the capabilities of our product set to support existing and emerging standards, including XML, JMS, JCA and Web Services.



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Further enhancing performance and scalability.



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Extending the real-time capabilities of our data integration infrastructure as well as expanding connectivity to enterprise applications and messaging services.



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Enhancing the ease of use of all of our infrastructure solutions.



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Extending the functionality of our data integration infrastructure to address broader market requirements, including enhanced data quality and data-centric application integration.



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Enhancing solutions to leverage new hardware platforms and emerging software industry standards, including Linux.

        There can be no assurances that our product development efforts will yield the anticipated results. In addition, we intend to adapt to the changing needs of the market in which we operate and, accordingly, any of the product development efforts described above may be terminated or delayed.

Research and Development Expenditures

        Our research and development expenditures for 2003, 2002 and 2001 were $27.5 million, $24.0 million and $87.0 million, respectively, representing approximately 15%, 21% and 18%, respectively, of net revenues for these periods. Amounts spent on research and development in 2001 included expenditures for the Informix database products sold to IBM in the IBM Transaction. Amounts spent on research and development also included expenditures attributable to product development activities relating to our content management product line which was terminated in the second quarter of 2002, and product development efforts related to our i.Sell product that was terminated in the first quarter of 2001. See "Management's Discussion and Analysis of Financial Condition and Results of Operations — Costs and Expenses."

Intellectual Property

        Certain aspects of our internal operations, products, and documentation are considered proprietary, and we rely primarily on a combination of patent, copyright, trademark and trade secret laws and other measures to protect our proprietary rights. We also rely on contractual restrictions in agreements with customers, employees and others to protect our intellectual property rights. However, we cannot ensure that these agreements will not be breached, that we would have adequate remedies for any breach or that our trade secrets will not otherwise become known.

        We currently hold nine United States patents and may continue to file patent applications in the future. We cannot ensure that any patents will result from any such applications or that, if issued, such patents will provide any meaningful competitive advantage. We believe that, because of the rapid pace of technological change in the computer software industry, factors such as the expertise, ability and experience of our employees, frequent software product enhancements and the timeliness and quality of

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support services are critical to our success. This success is also dependent, in part, upon our proprietary technology and other intellectual property rights.

        Our products are typically licensed to end-users on a "right-to-use" basis pursuant to a license that restricts the use of the products for the customer's internal business purposes. In some regions of the world, we also rely on "click wrap" licenses, which include a notice informing the end-user that, by installing the product, the end-user agrees to be bound by the license agreement displayed on the customer's computer screen. Despite such precautions, it may be possible for unauthorized third parties to copy aspects of, or the whole of, current or future products or to obtain and use information regarded as proprietary. In particular, we have licensed the source code of our products to certain customers for restricted uses under certain circumstances. We have also entered into source code escrow agreements with a number of significant customers that generally require the release of our source code to the customer in the event of our bankruptcy, insolvency, or discontinuation of our business or support of a product line, in each case where support and maintenance of the product line is not assumed by a third party. The source code for our products is protected both as a trade secret and as a copyrighted work. We cannot ensure that these protections will be adequate or that competitors will not independently develop technologies that are substantially equivalent or superior to our technology or to technology that we may acquire or develop in the future.

        We believe that our products, trademarks or other proprietary rights do not infringe the proprietary rights of third parties. However, we cannot ensure that third parties will not assert infringement claims against us with respect to current or future products or that any such assertion will not require us to enter into royalty arrangements or result in costly and time consuming litigation.

Employees

        As of December 31, 2003, we employed 856 employees, including 215 in services, 302 in sales and marketing, 228 in research and development and 111 in general and administrative functions. Of these employees, 576 were located in the United States. None of our employees in the United States are represented by a labor union or are subject to a collective bargaining agreement. Certain of our international employees are covered by the customary employment contracts and agreements of the countries in which they are employed.

Executive Officers

        The following table sets forth certain information concerning our executive officers as of December 31, 2003.

        Peter Gyenes has served as the Chairman and Chief Executive Officer of Ascential since July 2000. Mr. Gyenes has more than 30 years of experience in sales, marketing and general management positions within the computer systems and software industry. Prior to our acquisition of Ardent Software, Inc. in March 2000, he was chairman, president and Chief Executive Officer of Ardent, which he joined in May 1996. Before joining Ardent, he was president and Chief Executive Officer of Racal InterLan, Inc. Previously, Mr. Gyenes served in executive sales, marketing, and general management positions at Prime Computer Inc., Encore Computer and Data General Corporation (now part of EMC Corporation). Earlier in his career, Mr. Gyenes held technical positions with Xerox Data Systems and IBM. He serves on the boards of Applix Computer Systems, the Massachusetts Software and Internet

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Council and ViryaNet Ltd. Mr. Gyenes received a Bachelor of Arts degree in Mathematics and a Masters of Business Administration degree from Columbia University.

        Peter Fiore has served as the President of Ascential since July 2000. Previously Mr. Fiore served as Senior Vice President of Informix Corporation and President of Ascential Software, Inc., which was a subsidiary of Informix Corporation that was later merged into the Company, after serving as the head of the Informix Business Solutions business unit. Prior to the acquisition by Informix of Ardent Software, Inc. in March 2000, Mr. Fiore held the position of vice president and general manager of the data warehouse business unit of Ardent, which he joined in 1994. Before joining Ardent, Mr. Fiore directed channel marketing for CrossComm Corporation and held sales and marketing management positions at Stratus Computer, Inc. Mr. Fiore received a Bachelor of Arts degree in Engineering and Applied Sciences from Harvard University.

        Robert McBride has served as the Vice President and Chief Financial Officer of Ascential since June 2001. Mr. McBride directs our financial, operational and administrative business functions. He brings more than 30 years of financial and administrative experience at Fortune 500 information systems companies to our company. During a 17-year tenure at Data General Corporation (now part of EMC Corporation), spanning from September 1983 to January 2000, Mr. McBride served as vice president, chief administrative officer, corporate controller and corporate treasurer, among other senior financial management positions. He also held a variety of senior management positions in the Information Systems and Finance areas of Burroughs Corporation and prior to that served as an Infantry Officer in the U.S. Army. Mr. McBride received a Master's Degree in Business Administration from Washington University and a Bachelor's Degree in Economics from Ohio Wesleyan University.

        Scott Semel has served as the Vice President, Legal, General Counsel and Secretary of Ascential since August 2001. Mr. Semel manages our legal matters, and directs our worldwide legal department. Mr. Semel has more than 20 years of extensive legal experience, having previously served as general counsel and corporate secretary to NaviSite, Inc. from June 2000 through July 2001 and Designs, Inc. from December 1986 through February 2000. In addition to his corporate experience, Mr. Semel was previously engaged in the private practice of law in Boston from 1980 to 1986. He received a Bachelor of Arts degree, cum laude, from Boston University and a Juris Doctor degree from New England School of Law.

Access to SEC Filings

        Our SEC filings are available through the SEC web site at http://www.sec.gov, or through our web site at http://www.ascential.com in the Investors section under SEC filings. The annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (the "Exchange Act") are available free of charge through our Internet web site as soon as reasonably practicable after they are electronically filed with the SEC.

Item 2. Properties

        Our corporate headquarters is in a 93,000 square foot facility in Westborough, Massachusetts that was formerly occupied by Ardent Software, Inc., which was acquired by Informix Corporation in 2000. This facility also contains a significant portion of our marketing, finance, sales and administration functions and a significant portion of our customer service, manufacturing and research and development operations. The lease for the Westborough facility expires on December 31, 2008. In addition, significant parts of our research and development organizations are housed in facilities in Los Gatos, California (7,000 square feet), Milton Keynes, United Kingdom (7,000 square feet) and Boca Raton, Florida (24,000 square feet). These buildings are under lease until December 2004, September 2012 and January 2006, respectively. We also lease office space, principally for sales and support offices, in a number of facilities in the United States, Canada and outside North America. As of December 31, 2003, we controlled a total of approximately 583,000 square feet of office space and/or research and development space for these facilities.

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        Approximately 46% of our leased facility square footage is actively being utilized, 37% of the square footage has been vacated and the remaining 17% of the square footage is being sublet. Of all our leased property, approximately 65% is located in the Americas (United States, Canada and Latin America), 29% is located in Europe and the remaining 6% is located in the Asia Pacific region. Ascential maintains major sales and service offices in Paris, France (21,000 square feet), which is under lease until March 2005, London, England (19,000 square feet), which is under lease until September 2018, and Sydney, Australia (17,000 square feet), which is under lease until March 2004.

        We believe that our existing facilities are generally adequate to meet our business needs through the next twelve months although growth of our business could create the need for additional space. We have approximately 216,000 square feet of vacant space that we are seeking to sublease to third parties or surrender to landlords. Management believes that it has adequately provided for the lease obligations in excess of expected sublease income related to these vacant facilities.

Item 3. Legal Proceedings.

        On May 26, 1999, the Company entered into a memorandum of understanding regarding the settlement of pending private securities and related litigation against the Company, including a federal class action, a derivative action, and a state class action. In November 1999, the settlement was approved by the applicable federal and state courts. The settlement resolved all material litigation arising out of the restatement of the Company's financial statements that was publicly announced in November 1997. In accordance with the terms of the memorandum of understanding, the Company paid approximately $3.2 million in cash during the second quarter of 1999, and an additional amount of approximately $13.8 million of insurance proceeds was contributed directly by certain of the Company's insurance carriers on behalf of certain of the Company's current and former officers and directors. As part of the settlement, the Company also agreed to contribute a minimum of 9.0 million shares of common stock, which was required to provide a guaranteed value of $91.0 million for a maximum term of one year from the date of the final approval of the settlement by the courts. The first distributions of shares of common stock occurred in November and December of 1999 when the Company issued approximately 2.9 million shares to the plaintiff's counsel. The stock price guarantee was satisfied with respect to the first distributions of settlement shares. In April 2001, the Company issued the remaining 6.1 million of the minimum 9.0 million shares to be issued under the settlement. Pursuant to the terms of the settlement, the Company paid an additional amount of $26.2 million in cash in November 2001 to satisfy the stock price guarantee with respect to the remaining 6.1 million shares issued under the settlement. The Company's former independent auditors, Ernst & Young LLP, paid $34.0 million in cash. The total amount of the settlement was $142.0 million.

        In July 1997, the Securities and Exchange Commission (the "SEC") issued a formal order of private investigation of the Company and certain unidentified other entities and persons with respect to non-specified accounting matters, public disclosures and trading activity in the Company's securities. During the course of the investigation, the Company learned that the investigation concerned the events leading to the restatement of the Company's financial statements, including fiscal years 1994, 1995 and 1996, that was publicly announced in November 1997. The Company has entered into a settlement with the SEC regarding the investigation. Pursuant to the settlement, the Company consented to the entry by the SEC of an Order Instituting Public Administrative Proceedings Pursuant to Section 8A of the Securities Act of 1933 and Section 21C of the Securities Exchange Act of 1934, Making Findings, and Imposing a Cease and Desist Order (the "Order"). The Order was issued by the SEC on January 11, 2000. Pursuant to the Order, the Company neither admitted nor denied the findings, except as to jurisdiction, contained in the Order. The Order directs the Company to cease and desist from committing or causing any violation, and any future violation, of Section 17(a) of the Securities Act of 1933 ("Securities Act"), Sections 10(b), 13(a) and 13(b) of the Exchange Act and Rules 10b-5, 12b-20, 13a-1, 13a-13 and 13b2-1 under the Exchange Act. Pursuant to the Order, the

12

Company is also required to cooperate in the SEC's continuing investigation of other entities and persons.

        The Company is a defendant in one action filed against Unidata, Inc., a company that the Company merged with in 1998 ("Unidata"), in May 1996 in the U.S. District Court for the Western District of Washington, and was previously a defendant in another action filed in September 1996 in the U.S. District Court for the District of Colorado. The plaintiff, a company controlled by a former stockholder of Unidata and a distributor of its products in certain parts of Asia, alleged in both actions the improper distribution of certain Unidata products in the plaintiff's exclusive territory and asserted damages of approximately $30.0 million (among other relief) under claims for fraud, breach of contract, unfair competition, racketeering and corruption, and trademark and copyright infringement. Unidata denied the allegations against it in its answers to the complaints. In the Colorado action, Unidata moved that the matter be resolved by arbitration in accordance with its distribution agreement with the plaintiff. In May 1999, the U.S. District Court for the District of Colorado issued an order compelling arbitration and in September 2000, the arbitrator issued an award against the Company for $3.5 million plus attorneys' fees and expenses estimated to be approximately $0.8 million.

        The Company was also joined as a party in an action in China filed against Unidata, its former distributor and a customer, by the same plaintiff who filed the U.S. actions against Unidata and a related company. This action, filed in the Guangdong Provincial People's Superior Court in China, arose out of the same facts at issue in the U.S. actions. The Company entered into a settlement agreement with the plaintiff pursuant to which, among other things, as each of the actions was dismissed, the underlying license terminated, certain intellectual property rights were assigned to the Company by the plaintiff, and the Company was obligated to pay into escrow, and then have released from escrow to the plaintiff, certain amounts totaling approximately $16.0 million to settle all claims in all pending litigation, with the exception of potential claims for indemnity between the Company and other co-defendants relating to attorneys' fees and related amounts, if any, paid in settlement. Subsequently, the China and Denver actions were dismissed; the plaintiff's claims in the Washington State action were dismissed; the license agreement was terminated; and the intellectual property rights were assigned to the Company as of the end of the second quarter of fiscal 2002 and the full amount escrowed was released to plaintiff. During the year ended December 31, 2002, the Company paid into escrow the entire amount of the settlement of approximately $16.0 million.

        On August 8, 2001, eNet30, Inc. ("eNet30") filed suit against the Company in Nevada state court based on a consulting agreement. eNet30 alleges claims for breach of contract, breach of the covenant of good faith and fair dealing, and rescission, and seeks the return of approximately $0.6 million previously paid to the Company. On September 11, 2001, the case was moved to the United States District Court for the District of Nevada, and on October 22, 2001, the Company filed its answer and counterclaims against eNet30 for breach of contract, bad faith and unfair dealing, and unjust enrichment. In May 2002, eNet30 modified its claims to allege that it is entitled to additional damages based upon allegations of fraud and fraudulent inducement. On March 28, 2002, eNet30 declared bankruptcy. Subsequently, the Company has, subject to approval of the United States Bankruptcy and District Court for the District of Nevada, reached a settlement agreement whereby, in January 2004, the Company paid $325,000 to the bankruptcy estate of eNet30, both parties agreed to dismiss their respective claims against one another, and each party executed a release of claims against the other.

        Prior to the completion of the Mercator acquisition, Anthony Kolton, a purported shareholder of Mercator, filed an action on August 19, 2003 against the Company, Merger Sub, Mercator and certain individual directors and officers of Mercator (the "Individual Defendants") in the Court of Chancery for the State of Delaware. The complaint alleged, among other claims directed at the Individual Defendants, that the disclosures in the Schedule 14D-9 filed in connection with the Company's tender offer were incomplete and inadequate. Kolton sought an order from the Court enjoining the offer. All

13

defendants vigorously denied and continue to deny that any of them is subject to any liability whatsoever by reason of any of the matters referenced in the complaint.

        On August 22, 2003, the parties to the Action entered into a Memorandum of Understanding ("MOU") providing for settlement of the action following the making of certain additional disclosure by Mercator (which disclosure was included in an amended Schedule 14D-9 disseminated to Mercator stockholders). Pursuant to the MOU the defendants also agreed not to oppose Kolton's request for attorneys' fees not to exceed $150,000. On September 12, 2003, Ascential completed its acquisition of Mercator. On October 2, 2003, the parties entered into a Stipulation and Agreement of Settlement on the terms set forth in the MOU.

        On October 7, 2003, the Court entered an order certifying a class composed of all holders of common stock of Mercator and their successors in interest and transferees, immediate and remote, from August 2, 2003 through and including September 12, 2003, and excluding the defendants in the action, pursuant to a Stipulation of Settlement entered into by the parties to the Action, which also provides for the dismissal of the action with prejudice upon the terms and conditions stated therein. The Court conducted a Settlement Hearing on November 24, 2003, and following such hearing entered an order dismissing the litigation on the terms set forth in the Stipulation and Agreement of Settlement; including payment of Kolton's attorneys' fees not to exceed $150,000.

        From time to time, in the ordinary course of business, the Company is involved in various other legal proceedings and claims, including but not limited to those related to the operations of the former database business and/or asserted by former employees of the Company relating to their employment or compensation by the Company. The Company does not believe that any of these other proceedings and claims will have a material adverse effect on the Company's business or financial condition.

Item 4. Submission of Matters to a Vote of Security Holders

        We did not submit any matters to a vote of security holders during the fourth quarter of 2003.

PART II

Item 5. Market for Registrant's Common Equity and Related Stockholder Matters

        Our common stock is traded on the NASDAQ National Market under the symbol "ASCL." The following table lists the high and low sales prices of our common stock for the periods indicated.

        On June 17, 2003 we effected a one-for-four reverse split of our common stock. Accordingly, all per share prices have been restated as though the reverse stock split had been in effect for all periods presented.

        At February 27, 2004, there were approximately 9,596 stockholders of record of our common stock, as shown in the records of our transfer agent. Because brokers and other institutions hold many of such

14

shares on behalf of stockholders, we are unable to estimate the total number of stockholders represented by these record holders.

Dividend Policy

        We have never declared or paid cash dividends on our common stock. We expect to retain future earnings, if any, for use in the operation of our business and do not anticipate paying any cash dividends on our common stock in the foreseeable future.

Item 6. Selected Financial Data

Financial Overview

        The following selected consolidated financial data should be read in conjunction with our consolidated financial statements and the related notes, and with "Management's Discussion and Analysis of Financial Condition and Results of Operations," included elsewhere in this report. From 1999 through 2003, we have acquired six companies and disposed of the assets of our database business. Ardent Software, Inc. ("Ardent") acquired Prism Solutions, Inc. ("Prism") in April 1999, and we acquired Cloudscape, Inc. ("Cloudscape") in October 1999. In March 2000, we completed the acquisition of Ardent. We sold the assets of our database business to IBM in July 2001, (see Note 14 of Notes to Consolidated Financial Statements), and we acquired Torrent Systems Inc. ("Torrent") in November 2001. In April 2002, we acquired Vality Technology, Inc. In September 2003, we completed our acquisition of Mercator Software, Inc. (see Note 12 of Notes to Consolidated Financial Statements). On June 17, 2003 we effected a one-for-four reverse split of our common stock. Accordingly, all earnings per share figures have been restated as though the reverse stock split had been in effect for all periods presented.

Five-Year Summary

(1)

During 2003, we recorded merger, realignment and other charges totaling $3.9 million. In connection with the acquisition of Mercator, we recorded a charge of $2.0 million for in-process research and development that had not yet reached technological feasibility and had no alternative future use.

(2)

During 2002, we recorded merger, realignment and other charges of $23.7 million. In June 2002, we ceased efforts to find a buyer for our content management product line and recorded a $4.5 million charge as cost of software for the impairment of software costs previously capitalized (see Note 15 of Notes to Consolidated Financial Statements). During the fourth quarter of 2002,

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we recorded impairment losses on long-term, publicly traded equity investments of $2.2 million. In connection with the Vality acquisition, we recorded a charge of $1.2 million for in-process research and development that had not yet reached technological feasibility and had no alternative future use. During 2002, we recorded $3.0 million of adjustments to gain on sale of database business (see Note 14 of Notes to Consolidated Financial Statements). In 2002, we reversed expense accruals of $2.8 million and recorded $2.6 million of other income as a result of the $5.4 million favorable judgment rendered in a litigation matter. Effective January 1, 2002, we completed our adoption of Statement of Financial Accounting Standard No. 142, which required that goodwill and intangible assets with indefinite lives no longer be amortized, but instead be tested for impairment at least annually (see Note 11 to Notes to Consolidated Financial Statements).

(3)

In July 2001, we sold the assets of our database business to IBM (see Note 14 of Notes to Consolidated Financial Statements) which resulted in a gain of $865.7 million that was recorded in 2001. In 2001, we also recorded merger, realignment and other charges of $54.4 million. In connection with the Torrent acquisition, we recorded a charge of $5.5 million for in-process research and development that had not yet reached technological feasibility and had no alternative future use. In addition, during 2001, we recorded impairment losses on long-term investments of $10.2 million, which related to both publicly traded and non-marketable investments.

(4)

In 2000, we recorded merger, realignment and other charges of $126.8 million.

(5)

In 1999, we recorded restructuring-related adjustments that increased operating income by $0.6 million and, in connection with our acquisition of Cloudscape in October 1999, we recorded a charge of $2.8 million for merger related expenses. In addition, we recorded a charge of $97.0 million related to the settlement of private securities and related litigation. In connection with Ardent's acquisition of Prism, we recorded a charge of $9.9 million for merger and restructuring charges as well as a $5.1 million charge for in-process research and development that had not yet reached technological feasibility and had no alternative future uses.

        Selected financial data should be reviewed with "Management's Discussion and Analysis of Financial Condition and Results of Operations — Factors That May Affect Future Results" found in Item 7.

Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations

        The following Management's Discussion and Analysis of Financial Condition and Results of Operations contains certain forward-looking statements relating to future events or our future financial performance which involve risks and uncertainties. Such forward-looking statements address, for example, the functionality, characteristics, quality and performance capabilities of our current and future products and technology; the ability and desire of organizations to make more informed decisions and drive strategic application initiatives; expected transitional costs and other transitional matters arising from the IBM Transaction and the termination of our database business; industry trends; our ability to leverage our global professional services organization to accelerate the adoption of our product offerings and provide value-added services to existing customers; net loss from our content management product line; the timing of closing large license transactions and resulting quarter-to-quarter revenue fluctuations; future growth of consulting, maintenance and education revenue; future amortization costs; trends in services margins; costs associated with the content management business; potential increases in sales and research and development headcount; projected research and development expenses; anticipated investment in sales and marketing and product support; our investments in property and equipment; expected decline in bad debt expense; anticipated completion of research and development projects and associated investments required; anticipated completion of Release 6.8 of the Mercator Inside Integrator Software project; impact of realignment activities including expense reduction; continued investment in property and equipment; sufficiency of our liquid assets and other resources for our business operations, repurchases of our common

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stock, facilities, obligations and restructuring initiatives; the possibility of additional impairment charges in the future; expected transitional and severance costs and other transitional matters arising from our acquisition of Mercator and other companies; and effect of changes in interest rates, exchange rates and fluctuations of equity price of marketable securities. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of certain factors, including those set forth under "Factors That May Affect Future Results," and elsewhere in this annual report on Form 10-K. The following discussion and analysis should be read in conjunction with our consolidated financial statements and related notes appearing elsewhere in this report.

Overview

        Headquartered in Westborough, Massachusetts since July 2001, Ascential Software Corporation is a leading supplier of enterprise integration solutions to the Global 2000 and other large organizations. We believe that the Ascential Enterprise Integration Suite, built upon a highly scalable platform, is the industry's only complete solution that is intended to address the full data integration life cycle, and turns corporate data into "Intelligent Information" — information that is reliable, relevant, and complete — so organizations can make better informed business decisions and drive their strategic application initiatives.

        Our products for automated data profiling, data quality management and cleansing, and data extraction, transformation, and loading are built on an enterprise data integration platform of core integration offerings that are intended to provide end-to-end meta data management for a clear, unambiguous definition and history of the data used to drive strategic enterprise applications. We also provide connectivity between virtually any standard data source and application as well as virtually unlimited scalability through our platform to manage the massive volumes of corporate data generated through high-performance processing. This complete offering is called the Ascential Enterprise Integration Suite and is currently, we believe, the only end-to-end enterprise integration platform of its type available from a single vendor.

        We also offer a full range of consulting, educational and support services to assist customers through all phases of a project. Based on demonstrated methodologies, these services represent years of accumulated intellectual capital in terms of knowledge and experience, gained through many successful engagements across a range of industries and enterprise application requirements.

        We support more than 3,000 customers in such industries as telecommunications, insurance, financial services, healthcare, life sciences, manufacturing, consumer goods, and retail. We had 856 employees as of December 31, 2003.

        We were incorporated in Delaware in 1986 and, until the third quarter of 2001, operated under the name "Informix Corporation". Effective January 1, 2001, we consolidated our business units into two operating segments: (1) Informix Software, which operated our database software systems business, and (2) Ascential Software, which operated our extract, transform and load ("ETL") and digital asset management software and solutions business. During the third quarter of 2001, we completed the sale of the assets of our database business, including the name "Informix", to IBM for $1.0 billion in cash, which we refer to as the "IBM Transaction" (see Note 14 of Notes to Consolidated Financial Statements). In connection with the IBM Transaction, we changed our name to "Ascential Software Corporation" and changed the symbol under which our stock is traded on the NASDAQ National Market to "ASCL". These changes became effective in July 2001. After the sale of the assets of our database business, our sole operating segment has been our Ascential Software business; however, we continue to incur costs associated with the termination of our database business. Barring unforeseen circumstances, remaining costs associated with the termination of our database business for the year ended December 31, 2004 are expected to be a relatively insignificant amount.

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        Enterprises are faced with managing the exploding growth of data and gaining a more accurate view of the factors that impact their performance. Enterprises are also coping with the requirement to access data from an increasing number of disparate sources of data which frequently contain incomplete, inaccurate, inconsistent or duplicate information. We believe these organizations want to be able to use the data efficiently and effectively to increase their revenue and market share, decrease operating costs and improve asset utilization. Our overall business strategy is to establish Ascential Software Corporation as the leader in the enterprise data integration market by delivering what we believe is the industry's most comprehensive data integration product solution. We seek to accomplish this by continuing to expand our product offerings through internal development and strategic technology and business acquisitions. We are focused on accelerating revenue growth by leveraging our substantial customer base and the completeness of our enterprise data integration offerings, and by expanding our worldwide distribution through alliances with recognized industry leaders. We also intend to leverage our global professional services organization to accelerate the adoption of our product offerings and provide a variety of value-added services to our existing customers. We have targeted a revenue mix of 55% to 60% from licenses with the balance from services.

        We use a number of key metrics internally to track our progress against these objectives. We measure our progress against achieving increased market penetration by: (1) the number of new customers signed each quarter, (2) the number of our customers constituting Fortune 500 and Global 2000 companies, and (3) the amount of incremental revenue generated from new projects within our existing installed base. We monitor the success of our strategic alliances by reviewing the revenue generated from these relationships and the number of license deals and revenue generated or influenced by third parties on a quarterly basis. In order to ensure that spending is consistently monitored and resources are used appropriately, we track revenue, headcount, and spending on a weekly basis. We regularly review all relevant margin metrics, including license margins, maintenance margins, professional service margins, total service margins and operating margins. In addition, in order to maximize cash flow and to identify customer payment issues on a timely basis, we closely monitor cash collections and accounts receivable days sales outstanding ("DSO").

        On January 22, 2002, our Board of Directors endorsed the decision to divest our content management product line because it did not align with our strategic goals. We engaged an investment bank to assist in the divestiture process and sought potential buyers for the product line during the six months ended June 30, 2002. In June 2002, we ceased efforts to find a buyer for the product line as no interested buyers were identified and terminated the related operations, except for the completion of previously committed consulting and support contracts. As a result, in June 2002 we recorded a charge totaling $7.3 million consisting of $4.5 million charged to "Cost of software" for the impairment of software costs previously capitalized and $2.8 million charged to "Merger, realignment and other charges" for severance costs, computer equipment impairment costs and professional fees incurred in connection with efforts to sell the product line. There is no remaining contractual customer support obligations related to this product line.

        On September 12, 2003, we completed the acquisition of Mercator. The acquisition was made pursuant to an Agreement and Plan of Merger (the "Merger Agreement"), dated as of August 2, 2003, by and among us, Greek Acquisition Corporation, a wholly owned Delaware subsidiary ("Merger Sub) and Mercator. Pursuant to the Merger Agreement, we commenced a tender offer through Merger Sub for all outstanding shares of common stock, par value $0.01 per share, of Mercator at $3.00 per share in cash, without interest. Following expiration of the tender offer on September 11, 2003, we accepted for payment the shares of Mercator common stock tendered and exercised an option granted to us by Mercator for 19.99% of the then outstanding common stock of Mercator. As a result of the purchase of the tendered Mercator shares and the exercise of our option to purchase 19.99% of the then outstanding common stock of Mercator, through Merger Sub, we owned more than 90% of the

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common stock of Mercator. Substantially all remaining shares of Mercator have been tendered as of December 31, 2003.

        In addition, all outstanding options to purchase shares of Mercator common stock granted under the TSI International Software Ltd. 1993 Stock Option Plan, the 1996 Novera Software Inc. Stock Option Plan and the Mercator Software, Inc. 1997 Equity Incentive Plan were converted into options to purchase shares of our common stock, subject to certain adjustments.

        The aggregate cash purchase price for all of the common stock of Mercator was approximately $94.9 million, net of cash acquired from Mercator (See Note 12 to Notes to the Consolidated Financial Statements). The results of operations of Mercator from September 12, 2003 to December 31, 2003 are included in our consolidated results of operations.

        During the three months ended December 31, 2003, we commenced efforts to sell our Key/Master data entry software line, which was formerly owned by Mercator, and is not part of our core enterprise data integration offering. On January 27, 2004, we entered into a software purchase agreement with Phoenix Software International, Inc. ("Phoenix") pursuant to which we sold the rights to our Key/Master data entry product line.

Products and Services

        Our products are designed to operate as part of the Ascential Enterprise Integration Suite, or as stand-alone integration components. Our product functionality includes: automated data profiling to analyze and manage source data content and structure; data quality and cleansing to identify, correct and reconcile inaccurate or redundant data; and data extraction, transformation and loading to obtain data from a source, format it as required, and deliver it to a specified target. Our products are supported by a comprehensive platform of integration services that delivers end-to-end meta data management, connectivity between virtually any standard data source and application, and virtually unlimited scalability and performance. This combination of integration products built on a platform of integration services forms the Ascential Enterprise Integration Suite.

        The Ascential Enterprise Integration Suite offers a comprehensive, modular solution that can expand with business needs or as customer budgets dictate. Our customers can deploy the complete Ascential Enterprise Integration Suite to address the entire enterprise data integration life cycle, or use individual integration products as needed in support of more limited scope implementation requirements.

Critical Accounting Policies

        We have prepared our consolidated financial statements in accordance with accounting principles generally accepted in the United States. In preparing our financial statements, we make estimates, assumptions and judgments that can have a significant impact on our reported revenues, results from operations, and net income (loss), as well as on the value of certain assets and liabilities on our balance sheet. These estimates, assumptions and judgments about future events and their effects on our results cannot be determined with certainty, and are made based on our historical experience and on other assumptions that are believed to be reasonable under the circumstances. These estimates may change as new events occur or additional information is obtained, and we may periodically be faced with uncertainties, the outcomes of which are not within our control and may not be known for a prolonged period of time. While there are a number of accounting policies, methods and estimates affecting our financial statements described in Note 1 of Notes to Consolidated Financial Statements, the areas that we believe to be our most critical accounting policies include revenue recognition, allowance for doubtful accounts, software development costs, business combinations, goodwill and intangible assets, income taxes and merger, realignments and other charges. These areas are described below. A critical accounting policy is one that is both material to the presentation of our financial statements and

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requires us to make difficult, subjective or complex judgments that could have a material effect on our financial condition and results of operations. Critical accounting policies require us to make assumptions about matters that are uncertain at the time of the estimate, and different estimates that we could have used, or changes in the estimate that are reasonably likely to occur, may have a material impact on our financial condition or results of operations. Because the use of estimates is inherent in the financial reporting process, actual results could differ from those estimates.

Revenue Recognition

        We derive revenues from two primary sources: (1) software license revenues and (2) services revenues, which include maintenance, consulting and education revenues. While the basis for software license revenue recognition is substantially governed by the provisions of Statement of Position No. 97-2, "Software Revenue Recognition," issued by the American Institute of Certified Public Accountants ("SOP 97-2"), in the application of this standard we exercise judgment and use estimates in connection with the determination of the amount of software license and services revenues to be recognized in each accounting period.

        Generally, we sell software using primarily two types of licenses:

(1)

Perpetual licenses: software licensed on a perpetual basis to a fixed number of users with no right to return the licensed software; and



(2)

Enterprise licenses: software licensed on either a perpetual or term basis to a customer as opposed to a fixed number of users, with no right to return the licensed software.

        Generally, our software license arrangements do not include significant modification or customization of the underlying software, and as a result, we recognize license revenue when: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred; (3) customer payment is deemed fixed or determinable and (4) collection is probable. Substantially all of our license revenues are recognized in this manner. We define each of the four criteria as follows:

•

Persuasive evidence of an arrangement exists: It is our customary practice to have a written contract, which is signed by both the customer and us, or a purchase order from those customers that have previously negotiated a standard end-user license arrangement or a purchase order with negotiated governing terms or volume purchase agreement, prior to recognizing revenue on an arrangement. Sales to resellers are generally evidenced by purchase orders submitted to us under a master agreement governing the terms of the relationship. Certain reseller arrangements are structured as royalty agreements in which royalties as a percent of either list price or net sales price are due to us upon product shipment to the end-user customer. Evidence of arrangement in these circumstances consists of request for shipment, or notification of shipment, for resellers who ship duplicates directly either to end-user customers from a master copy.



•

Delivery has occurred: Software is generally delivered either through electronic delivery or physically on a compact disk using standard free-on-board shipping point terms in which title and risk of loss transfer to the customer upon shipment. For some existing customers, delivery may occur when the customer has been provided access codes if the newly purchased software is already contained on a previously delivered compact disk. It is uncommon for us to offer a specified upgrade to an existing product; however, in such instances, revenue is deferred until the future obligation is delivered. Our software solutions continue to be distributed primarily through our direct sales force; however, our indirect distribution channel continues to broaden through alliances with resellers. Revenue arrangements with resellers are recognized on a sell-through basis, that is, when we receive persuasive evidence that the reseller has sold the products to an end-user customer. Evidence of sell-through may take a variety of forms, including (1) a copy of the purchase order or contract identifying an end-user customer, and

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(2) a royalty or sell-through report from the reseller, or other documented, objective evidence of product shipment. We do not offer our resellers contractual rights of return, stock balancing, or price protection.

•

The customer's payment is deemed fixed or determinable: We assess whether fees are fixed or determinable and free of contingencies or significant uncertainties at the time of sale and recognize revenue if all other revenue recognition requirements are met. While our standard payment terms are net 30 days (subject to requirements of foreign jurisdictions), we have a practice of providing extended payment terms of less than one year on high-dollar sales to credit worthy customers. We have established a history of collection, without conce