Cyalume Technologies Holdings Inc. (fka CYLU)

[ProActive Capital]

Cyalume Technologies To Host Earnings Conference Call & Webcast

Cyalume Technologies Holdings, Inc. (OTCBB:CYLU) announced today that it invites the investment community to participate in its Annual and Fourth Quarter 2010 Earnings Conference Call and Webcast which will be held on March 28, 2011 at 11:00 AM ET. The event is open to the public where the Company intends to discuss the firm’s results, outlook and related matters.

To attend, participants need to:
1. Dial 1-877-312-7507 or 1-253-237-1164
2. Ask for the "Cyalume Technologies Conference Call, ID No. 50417730”

A simultaneous webcast will also be available on the internet, which can be accessed through: http://investor.cyalume.com/eventdetail.cfm?eventid=94008

For those unable to attend the event live, a replay of the conference call will be available shortly after the call on the Investor Relations page of the company website at: http://investor.cyalume.com/index.cfm.

Both shareholders and non-shareholders are encouraged to attend the event or listen to the replay to keep up to speed with the world leader in chemiluminescent (chemical-light) technology.

Cyalume Technologies suite of visible and non-visible chemical-light products provide dependable training and battlefield operation light solutions to the United States and NATO country militaries, as well as to safety professionals across the globe. Products also include training and tactical chemiluminescent ammunition payloads for both military and commercial markets that offer a non-pyrotechnic, environmentally-friendly alternative to conventional ammunition. Cyalume manufactures its products in West Springfield, Massachusetts and Aix-en-Provence, France. For more information, please visit the Company's web site: www.cyalume.com.