Day Software to Demonstrate Technical Innovations with REST and AJAX at JAX 2008

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Basel, Switzerland and Newport Beach, California - April 21, 2008

Day Software (SWX: DAYN, OTCQX: DYIHY), a leading provider of global
content management software and content infrastructure software, will
present at JAX 2008, the leading European conference for enterprise
technologies and strategies, in Wiesbaden, Germany. Day will discuss
technical innovations with REST, the software architecture for
distributing hypermedia information systems, and AJAX, the concept of
asynchronous data transmission between server and browser.

Carsten Ziegeler, senior developer for JEE and portal applications at
Day Software, will give two presentations at the conference targeting
developers who deal with AJAX and REST. In his seminar "The Portlet
API 2.0 in Detail," Ziegeler will illustrate the possibilities of the
new portlet APIs (JSR 286), showing practical examples to demonstrate
detailed features such as Eventing or AJAX. In his presentation
"Sling Apache - a REST-Based Web Application Framework," Ziegeler
will explain Sling, a framework for content-based applications. Sling
builds on the REST principle and uses OSGi, a dynamic
hardware-independent software platform on which applications and
services according to the SOA paradigm can be performed for
flexibility and expansion. Ziegeler will demonstrate how to quickly
develop applications with Sling.

"REST describes a highly-scalable architecture for Web applications,
while AJAX is used to create innovative, interactive Web applications
on the client side," said Ziegeler. "To approach Java Content
Repositories via AJAX enables developers to access all of their
organization's content through one interface that fits very easily
into interactive Web applications."

Apache Sling - a REST-Based Web Application Framework
Tuesday, April 22, 2008, 18:25-18:45 pm

The Portlet API 2.0 in Detail
Wednesday, April 23, 2008, 13:30-14:30 pm

Day recently announced the JCR Cup 2008, its first annual, global
competition to promote the development of content-centric
applications based on the JSR 170 API for accessing the Java Content
Repository (JCR). Participants can use Day's CRX, a fully-compliant
JCR content repository, based on Apache Jackrabbit and using Sling,
to develop applications for blogs, wikis, business process management
(BPM), multi-channel deployment, and enterprise content management
(ECM). Entries must be submitted by July 31, 2008, and a panel of
judges will select a winner based on originality, design, programming
and proper use of the JCR. The winner will receive a 17-inch MacBook
Pro.

To schedule a meeting with Day at JAX 2008, please contact Susann
Seifert at day@lewispr.com. For terms and conditions of JCR Cup 2008,
along with details on how to register, please visit dev.day.com.

About Carsten Ziegeler
Ziegeler is senior developer for JEE and portal applications at Day
Software. He is member of the Apache Software Foundation, and has
participated in open source and freeware projects for more than 15
years. Ziegeler is involved in the communities Apache Cocoon,
Portals, Felix, Sling and the Incubator. He is also a member of the
JSR 286 specification group for the portlet API 2.0.

About Day - www.day.com
Day is a leading provider of integrated content, portal and digital
asset management software. Day's technology Communiqué offers a
comprehensive, rapidly deployable framework to unify and manage all
digital business data, systems, applications and processes through
the web.
Day is an international company, founded in 1993, and listed on the
SWX Swiss Exchange (SWX:DAYN) since April 2000. Day shares are also
traded Over the Counter (OTC) in the form of American Depositary
Receipts (OTCQX:DYIHY). Day's customers are some of the largest
global corporations and include Audi, Daimler, Deutsche Post World
Net, Deutsche Bank, InterContinental Hotels Group, McDonald's and
Volkswagen.

For further information

Jackie Cadorin Katie Eakins / Patrick
Day Software Wallace
23 Corporate Plaza Drive, Suite 280 LEWIS PR for Day Software
Newport Beach, CA 92660 T +1 619 677 2700
T +1 949 706 5300
jackie.cadorin@day.com day@lewispr.com

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Day Software Holding AG
Barfüsserplatz 6 Basel Schweiz

WKN: 936168;
ISIN: CH0010474218; Index: SPI, SPIEX, SSCI;
Listed: Main Market in SWX Swiss Exchange;