Press releases

ISE Limited Announces Timing of First Quarter 2010 Results

SAN DIEGO -- (Marketwire -- May 10, 2010) -- ISE Limited (TSX: ISE) will release its financial results for the first quarter ended March 31, 2010 on Monday, May 17, 2010, before market hours. ISE also announced that it will host a conference call at 4:30 p.m. EDT on Monday,

May 17, 2010 to discuss its financial results.To access the call in Canada (and the US) please dial 877-718-5107. International callers may dial 719-325-4921 approximately 10 minutes prior to the start of the conference. The participant access code is 2345439.

The conference call will also be broadcast live over the Internet and available for replay for 90 days at www.isecorp.com. In addition, a replay of the call will be available via telephone for two business days, beginning two hours after the call. To listen to the replay, in the US, please dial 888-203-1112 and internationally, 719-457-0820. Enter replay access code 2345439.

About ISE Limited
ISE Limited (www.isecorp.com) is a leading developer, manufacturer and distributor of heavy duty hybrid-electric drive systems based on our core proprietary technology, which is focused on three critical subsystems: energy storage, controls software and power electronics. ISE specializes in series hybrid-electric and all-electric/zero emission technologies, and offers industry-leading energy storage systems and hybrid system components. Over the past 10 years, ISE has sold over 300 hybrid-electric drive systems that have demonstrated reliability and performance in over 12 million miles of fleet operation.

Established in 1995, ISE is headquartered in San Diego, California. ISE's history of innovation and technological leadership has resulted in the design and development of systems and components that deliver superior operating performance.

For more information visit: www.isecorp.com.

Investor Contact
Kirsten Chapman/Becky Herrick
Lippert/Heilshorn & Associates
+1 415-433-3777
bherrick@lhai.com

Company IR Contact
David Morash
Chief Financial Officer
ISE Limited
+1 858-413-1720 x655

Media Contact
Carolyn Paynton
Mktg. & Comm. Mgr.
ISE Limited
+1 858-213-8613