PACW PacWest Bancorp

STOCKTON, Calif., Aug. 9 /PRNewswire-FirstCall/ -- Pac-West Telecomm, Inc. (NASDAQ:PACW), a nationwide provider of traditional and next-generation voice communications services, will report results for the second quarter 2006 on Friday, August 11, 2006, after market close. Instead of hosting an earnings conference call, investors are encouraged to contact Investor Relations at 209.926.3417 with any questions. 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, Oregon, Idaho, Washington D.C., Colorado, Pennsylvania, Florida, Maryland, New Jersey, North Carolina, South Carolina, New York and Alabama. 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, 2005, as filed with the SEC on March 29, 2006, 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 than contemplated; the possible delisting of our common shares from the Nasdaq Capital 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: media, John Amaya, +1-209-926-4371, or , or investors, Reid Cox, +1-209-926-3417, or , both of Pac-West Web site: http://www.pacwest.com/

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