Accelrys Announces Date of Second Quarter Fiscal 2010 Financial Results and Conference Call

Accelrys, Inc. (NASDAQ: ACCL) today announced it will report financial results for its fiscal second quarter ended September 30, 2009, after the NASDAQ Market closes on Thursday, November 5, 2009. The Company will conduct a conference call and an audio webcast at 5:00 p.m. ET on the same day.

Conference Call Information

Domestic callers: 866-393-7459

International callers: +1-706-643-4624

Passcode: 37307429

Webcast information: http://ir.accelrys.com/

The webcast is also being distributed through the Thomson StreetEvents Network to both institutional and individual investors. Individual investors can listen to the call at www.fulldisclosure.com, Thomson/CCBN's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson's password-protected event management site, StreetEvents (www.streetevents.com).

A replay of the conference call, which can be accessed by dialing toll-free 800-642-1687, and outside the U.S. +1-706-645-9291, will be available beginning 6:00 p.m. ET on November 5, 2009 through 11:59 p.m. ET on February 5, 2010. The access code for the replay is 37307429.

About Accelrys:

Headquartered in San Diego, California, Accelrys develops scientific business intelligence software and solutions for the life sciences, energy, chemicals, aerospace, and consumer products industries. Our customers include many Fortune 500 companies and other commercial entities, as well as academic and government entities. We have a vast portfolio of computer-aided design modeling and simulation offerings which assist our customers in conducting scientific experiments ‘in silico’ in order to reduce the duration and cost of discovering and developing new drugs and materials. Our scientific business intelligence platform underlies most of our computer-aided design modeling and simulation offerings. Our platform can be used with our products, our competitors’ products and our customers’ proprietary predictive science products. Its flexibility, ease-of-use and advanced chemical, text and image analysis and reporting capabilities enable our customers to mine, aggregate, analyze and report scientific data from disparate sources, thereby better utilizing scientific data within their organizations. For more information about Accelrys, visit its website at http://accelrys.com/.