PRESS RELEASE

Contact Information

Raining Data to Demo RFID Enabled ePedigree Suite
with Sun Microsystems at
HDMA/NACDS RFID Healthcare Industry
Adoption Summit – Nov. 13-16

IRVINE, Calif., November 11, 2005 – Raining Data Corporation (Nasdaq: RDTA) will demonstrate its drug pedigree management solution as part of the Sun RFID Industry Solution for Drug Authentication at the Health Care Distributors & Manufacturers Association (HDMA) and National Association of Chain Drug Stores (NACDS) joint RFID Healthcare Industry Adoption Summit being held on November 13 – 16, 2005 at the Hyatt Regency Crystal City in Arlington, Virginia. http://meetings.nacds.org/conferences/nacds_main.cfm?page_id=4462

The Sun RFID Industry Solution for Drug Authentication provides detailed guidelines to help pharmaceutical companies build an end-to-end RFID solution to automate a secure drug supply chain. It is a unique combination of Sun technologies and third-party components. Raining Data Corporation's ePharma Application Suite and TigerLogic XML Data Management Server are part of this solution, which will be shown at the Sun Microsystems booth (#413). Please visit the booth for a detailed demonstration.

Ajay Ramachandran, VP, CTO & General Manager of Raining Data’s Enterprise Applications Group will be giving a joint presentation with Vivek Khandelwal, Principal RFID Solutions Manager, Sun Microsystems, on Tuesday November 15 from 2:00 p.m. – 2:50 p.m. and Raining Data will also be hosting a luncheon on Monday, November 14th.

About Raining Data

Raining Data Corporation (Nasdaq: RDTA), headquartered in Irvine, California, offers enterprise-grade XML database management and information aggregation software solutions and has been providing reliable data management and rapid application deployment solutions for ISVs and developers of database applications for more than three decades. Raining Data's flagship products include: 1) The High-performance TigerLogic^® XML Data Management Server (XDMS), which provides flexible, scalable and extensible XML data storage as well as query and retrieval of critical business data across a variety of structured and unstructured information sources, delivering mid-tier scalability and transactional integrity across heterogeneous enterprise databases as well as dynamic extensibility and ease of use, mostly found in repositories and file systems; 2) Powerful Pick^® Universal Data Model (Pick UDM) based database management systems and components, including D^3®, mvEnterprise^® and mvBase^® that are the choice of more than a thousand application developers worldwide and .NET Integration components including the Pick Data Provider for .NET and the Pick Reporting Services Connector; and 3) Omnis Studio^®, a powerful, cross-platform, object-oriented RAD tool for developing sophisticated thick-client, Web-client or ultra thin-client database applications.

Raining Data’s installed customer base includes more than 500,000 active users representing over 20,000 customer sites worldwide, with a significant base of diverse vertical applications. With more than 160 employees and contractors in five countries, Raining Data offers 24x7 customer support and maintains a strong international presence. More information about Raining Data Corporation and its products can be found at www.rainingdata.com.

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Raining Data, Pick, mvDesigner, D³, mvEnterprise, mvBase, Omnis, Omnis Studio and TigerLogic are trademarks of Raining Data Corporation. All other trademarks and registered trademarks are properties of their respective owners.