Investor Relations

First Quarter 2005 Results

First quarter financial highlights

SLMS revenues of $9.1 million down 7.2% over prior quarter
Gross margin at 43%
Operating expenses at $16.5 million
Non-GAAP Proforma EBITDA loss of $1.7 million
Cash balance at $61.1 million

Press release

Zhone Technologies, Inc. Reports First Quarter 2005 Financial Results Demonstrating Continued Revenue and Market Growth

Financial Statements

Form 10-Q for March 31, 2005 on SEC.gov

To supplement Zhone's consolidated financial statements presented in accordance with GAAP, Zhone uses pro forma EBITDA, a non-GAAP measure Zhone believes is appropriate to enhance an overall understanding of Zhone's past financial performance and prospects for the future. The presentation of this additional information is not meant to be considered in isolation or as a substitute for measures of financial performance prepared in accordance with GAAP. A reconciliation between net loss calculated on a GAAP basis and pro forma EBITDA on a non-GAAP basis is provided in a table immediately following the Unaudited Condensed Consolidated Statements of Operations included in the press release which can be accessed from the link above.