Theorem expands marketing communications and public relations coverage into the power supply market

San Francisco, September 6, 2008 —- Theorem Services (www.theoremservices.com) announces that it has signed an agreement with international power supply company Digital Power Corporation (Fremont, California www.digipwr.com AMEX: DPW) to provide public relations, marketing and marketing communications services in order to increase their worldwide sales. Theorem will also work with their affiliated companies, Gresham Power Electronics (Salisbury, UK) and Telkoor Power Supplies Ltd. (Natanya, Israel).

About Theorem

Theorem provides public relations, marketing and marketing communications services primarily for high technology companies in the San Francisco Bay Area. Theorem also specializes in power and power supply related companies.

Theorem is a member of PSMA, the Power Sources Manufacturer's Association.

Theorem headquarters is in Pleasanton, California. Editor and reader contact is Forrest Sass, PO Box 412, Pleasanton, California 94566 Tel 925.462.5280 forrest@theoremservices.com.