PRESS RELEASE

Contact Information

Raining Data Corporation
17500 Cartwright Rd.
Irvine, CA 92614-5846
Brian C. Bezdek, Chief Financial Officer
Phone: (949) 442-4400
Fax: (949) 250-8187
brian.bezdek@rainingdata.com

RAINING DATA ANNOUNCES
SUPPORT FOR MICROSOFT^® .NET™ FRAMEWORK

IRVINE, CA.- February 17, 2003

Raining Data Corporation (Nasdaq: RDTA), a long-time provider of scaleable, flexible and reliable data management software, today announced the support for the Microsoft .NET Framework with the availability of the Pick® Data Provider for .NET. The Pick Data Provider allows D³®, UniData® and UniVerse® database platform users to take advantage of the .Net Framework by utilizing Microsoft Visual Studio® .NET. A Data Provider in the .NET Framework serves as a bridge between an application and a data source. Raining Data’s Pick Data Provider for .NET is designed to provide additional functionality by exposing the inherent capabilities of the Pick Data Management Environment when developing or deploying applications with the Microsoft .NET Framework.

This product is available as development and deployment software licenses:

• Pick Data Provider for the Visual Studio .NET Integrated Development Environment (IDE)
• Pick Database Server Access License Upgrades for .Net Deployment

BENEFITS AND FEATURES

The Pick Data Provider component for Visual Studio .NET is tightly integrated with the .NET Framework. It allows software developers to build Client/Server applications, Web applications or Web services using any of the programming languages supported through the .NET Common Language Runtime (CLR). These include but are not limited to ASP.NET, VB.NET, C#, C++.NET and J#.

Features of the Pick Data Provider:

• Application-to-application bridge between .NET and server-based business rules
• Smart binding and caching between visual objects and data fields and queries
• Optimistic and pessimistic locking handler
• Extensions to the event handler to allow pre and post processing of server data files
• Method extensions for file I/O and updates
• Multiple connections handling to different databases and systems
• Data Management administration tool for accounts, tables, records and server-based code

AVAILABILITY AND PRICING

Pick Data Provider for .NET is available immediately for early adopters for Raining Data’s D³ database platform and for the UniData and UniVerse (U2™) database platforms from IBM®. Full production release for D³ is anticipated by June 2003. Pricing is starting at $495 per Developer software license and $200 per Database Server Access License.

“The Pick Data Provider for .Net allows Pick and Pick-like database users to leverage their existing application code within the .NET Framework by giving them the ability to deploy solutions within the latest Microsoft architecture with minimal additional development time,” said Carlton H. Baab, President and CEO. “The combination of the Visual Studio .Net development environment with the Pick database technology creates the ability for our existing customers to protect their investment while at the same time leverage the latest Web application and XML Web Services deployment architecture,” added Baab.

About Raining Data

Raining Data Corporation (Nasdaq: RDTA), headquartered in Irvine, California, has been providing reliable data management and rapid application deployment solutions for developers of database applications for more than two decades. Raining Data's flagship products include: 1) high-performance TigerLogic™ XML Data Management Server (XDMS), which provides flexible, scaleable and extensible storage and retrieval of critical business data across a variety of structured and unstructured information sources, delivering scalability and transactional integrity of enterprise databases as well as dynamic extensibility and ease of use, mostly found in repositories and file systems; 2) D³, mvEnterprise® and mvBase® family of powerful Pick based hierarchical multi-dimensional database management systems that are the choice of more than a thousand application developers worldwide; 3) mvDesigner®, an object-oriented rapid application development (RAD) tool developed for use with multi-dimensional database applications; and 4) Omnis Studio®, a powerful, cross-platform, object-oriented RAD tool for developing sophisticated thick-client, Web-client or ultra thin-client database applications.

The Raining Data customer installed base includes more than 500,000 active users, representing over 20,000 customer sites worldwide with a significant base of diverse vertical applications. With over 140 employees in four countries, the company has an extensive distribution channel, 24x7 customer support and a strong international presence. More information about Raining Data Corporation and its products can be found at www.rainingdata.com.

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Except for the historical statements contained herein, the foregoing release contains forward-looking statements, including statements regarding the timing and availability of new products and technology as well as compatibility with third-party software and applications. These forward-looking statements are subject to risks and uncertainties. Actual results could differ materially from those expressed in any such forward-looking statements, including but not limited to the ability to penetrate new markets and attract new customers, the market acceptance of the Company’s products and updates, the success of research and development efforts and technical risks related to such products and updates, and other risks and uncertainties. Please consult the various reports and documents filed by Raining Data Corporation with the U.S. Securities and Exchange Commission, including but not limited to the Company’s most recent reports on Form 10-KSB and Form 10-QSB for factors potentially affecting the company’s future financial results. All forward-looking statements are made as of the date hereof and the Company disclaims any responsibility to update or revise any forward-looking statement provided in this news release.

Raining Data, Pick, mvDesigner, D³, mvEnterprise, mvBase, Omnis and Omnis Studio are registered trademarks and TigerLogic is a trademark of Raining Data Corporation. Microsoft and Visual Studio are registered trademarks and .Net is a trademark of the Microsoft Corporation. IBM, UniData and UniVerse are registered trademarks and U2 is a trademark of International Business Machines Corporation. All other trademarks and registered trademarks are properties of their respective owners.