PACW PacWest Bancorp

STOCKTON, Calif., March 2 /PRNewswire-FirstCall/ -- Pac-West Telecomm, Inc. (NASDAQ:PACW), a provider of traditional and next-generation voice communications services, will report results for the fourth quarter and year- end 2005 on Wednesday, March 8, 2006, after market close. In conjunction with the earnings release, the company will host a conference call with Hank Carabelli, President and Chief Executive Officer, and Ravi Brar, Chief Financial Officer. The conference call will be held on March 8, 2006 at 1:30 p.m. Pacific Time / 4:30 p.m. Eastern Time. Investors are invited to participate by dialing 1-888-291-0829 or 706-679-7923. The call will be simultaneously webcast on Pac-West's website at http://www.pacwest.com/pacwest/about-pac-west/investor-relations.shtml . An audio replay will be available one hour following the live call through March 22, 2006 by dialing 1-800-642-1687 or 706-645-9291 (passcode #6183326). Please allow extra time prior to the call to visit the company's website to download the streaming media software required to listen to the Internet broadcast. About Pac-West Telecomm, Inc. Pac-West is a provider of advanced communications services that enable traditional and next-generation providers, carriers, and service providers to efficiently design, deploy, and deliver integrated communication solutions. Currently, Pac-West has operations in California, Nevada, Washington, Arizona, Utah, and Oregon. Founded in 1980, Pac-West Telecomm, Inc. has been offering communication services to its customers since 1982 and has been a leading provider of wholesale services to Internet Service Providers. For more information, visit http://www.pacwest.com/. Forward-Looking Statements In this press release, our use of the words "outlook," "expect," "anticipate," "estimate," "forecast," "project," "likely," "objective," "plan," "designed," "goal," "target," and similar expressions is intended to identify forward-looking statements. While these statements represent our current judgment on what the future may hold, and we believe these judgments are reasonable, actual results may differ materially due to numerous important risk factors that are described in our Annual Report on Form 10-K for the period ended December 31, 2004, as filed with the SEC on March 30, 2005, which may be revised or supplemented in subsequent reports filed by us with the SEC. Such risk factors include, but are not limited to: our level of indebtedness; an inability to generate sufficient cash to service our indebtedness; regulatory and legal uncertainty with respect to intercarrier compensation payments received by us; the migration to broadband Internet access affecting dial-up Internet access; the loss of key executive officers could negatively impact our business prospects; an increase in our network expenses; migration of our enterprise customer base to U.S. TelePacific Corp. occurring sooner or later than contemplated; the possible delisting of our common shares from the Nasdaq SmallCap Market; and our principal competitors for local services and potential additional competitors have advantages that may adversely affect our ability to compete with them. DATASOURCE: Pac-West Telecomm, Inc. CONTACT: Reid Cox of Pac-West, +1-209-926-3417, or Web site: http://www.pacwest.com/

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