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Corvis Corporation Reports Financial Results for the First Quarter

Recognizes Initial Revenues from the United States Government

Ends the Quarter with $448.6 million in Cash and Investments

COLUMBIA, Md., April 29 -- Corvis Corporation , a leading provider of intelligent optical networking solutions, today reported revenues of $1.5 million for its fiscal first quarter ended March 29, 2003. Revenues for the first quarter were primarily generated under the company's contracts with the United States Government, Telefonica of Spain and Broadwing Communications.

"We're pleased that this quarter we recognized our first revenues from our newest customer, the U.S. Government. We formed our government solutions group within the last year, specifically to address this market and are pleased with the speed at which we were able to deliver our solutions," said Dr. David Huber, chairman and CEO. "Corvis continues to pursue opportunities to expand the market for our leading-edge products and enhance our financial position for the long-term."

Reported net loss was $47.0 million, or $0.12 loss per share, for the current quarter as compared with a reported net loss of $71.0 million, or $0.20 loss per share, for the first quarter of 2002.

Pro forma net loss for the current quarter was $36.1 million, or $0.09 loss per share, excluding intangible assets amortization expense, equity-based expense, and restructuring and other charges compared with a pro forma net loss of $41.3 million, or $0.11 loss per share, for the first quarter of 2002.

Financial Position

Consistent with the company's prior guidance, cash, cash equivalents and investments were $448.6 million at March 29, 2003 compared to $504.4 million at December 29, 2002. This represents a net change of $55.8 million for the quarter which included payments associated with restructuring plans, other one-time payments as well as cash used to repurchase Corvis common stock under the share repurchase program.

Outlook

The company indicated that it expects revenue for its second fiscal quarter ending June 28, 2003, to be down as compared to the first quarter of 2003.

  Quarterly and Recent Events
  --  On January 29, 2003, the company announced a business restructuring
      initiative that consolidates its Research and Development
      organization and a reduction in its United States workforce of
      approximately 180 employees.  The company stated that while every
      area in the company had been affected by this restructuring, most of
      the reductions occurred in the company's Research and Development
      organization.
  --  On March 25, 2003, the company provided additional details on its
      recent commitment to invest in C III Communications, LLC, the
      Delaware limited liability company who agreed to acquire most of the
      assets and certain of the liabilities of Broadwing Communications
      Services, Inc. for $129.3 million in cash.  Corvis has agreed to
      invest approximately $128.0 million in C III Communications at the
      time of closing and an additional $50.0 million to C III
      Communications by December 31, 2003 to fund ongoing operating
      expenses.  Corvis also said it would initially retain a 96% ownership
      interest in C III Communications, but is evaluating the possibility
      of raising a portion of these funds from other investors, which could
      reduce its committed investment amount and percentage of ownership.
  --  On April 22, 2003 the company continued its restructuring efforts as
      it put plans in place to further reduce its staff across the entire
      organization. The company stated that it expects its total headcount
      to be reduced below 350 people over the next few months upon
      completion of certain initiatives related to its latest generation of
      products and services.  The company said these reductions would help
      reduce operating expenses, reduce quarterly cash burn and better
      position the company for long-term profitability. In addition, as
      part of its on-going restructuring efforts, Corvis is considering
      further reductions in Europe, including options for sale, disposition
      or shut down of Corvis France R&D.  A final decision has not been
      made but is expected in the near future.  In such an event, the
      disposition would be implemented in compliance with local laws.
  --  The company announced that interim verdicts were reached by juries in
      the U.S. Federal District Court of Delaware in its patent litigation
      with Ciena Corporation.  Certain Corvis products were found not to
      infringe on two of Ciena's patents, but were found to infringe two
      other Ciena patents.  The company indicated these jury verdicts are
      interim and that the Court must still determine additional issues of
      infringement before a judgment in the litigation is entered.   If the
      Court finds in Corvis' favor on these additional issues, the Court
      could overturn the jury verdict of infringement.  The company intends
      to continue to present its case to the courts because the company
      believes its products have always been, and will continue to be,
      designed to respect the intellectual property rights of others.

  Webcast Information

In conjunction with this announcement, Corvis will host a conference call of its first quarter financial results today at 5:30 p.m. EDT. The live broadcast of the conference will be available via Corvis' website, www.corvis.com. An archived audio of the conference call will also be available for replay purposes through the Corvis website.

About Corvis

From point-to-point links to all-optical networks to transoceanic systems, Corvis Corporation delivers innovative optical network solutions that drive carrier profitability faster than any other vendor. Headquartered in Columbia, MD, Corvis provides carriers with scalable optical networking solutions and services that dramatically reduce the overall expenses associated with building and operating networks. Carriers deploying Corvis' optical network solutions can provision new wavelength-based services and tailor dynamic service-level agreements for rapid revenue generation. For more information about Corvis, please visit its Web site www.corvis.com.

Corvis and the Corvis logo are trademarks and/or service marks of the Corvis Corporation. All other trademarks are the property of their respective owners.

Investor Note Regarding Forward Looking Statements

This announcement and the quarterly earnings conference call may contain certain forward-looking statements that are subject to risks and uncertainties. Actual results could differ materially from those currently anticipated as a result of a number of factors, including, but not limited to, the risks and uncertainties discussed under "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" in the company's filings with the Securities and Exchange Commission.

  Corvis Contact:
  Andrew G. Backman
  Vice President
  Investor and Public Relations
  (443) 259-4259
  Fax: (443) 259-4427
  investorinformation@corvis.com

                            CORVIS CORPORATION

             CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
              (Dollars in thousands, except per share data)

                                                 Quarter Ended
                                         March 29, 2003   March 30, 2002
                                           (Unaudited)     (Unaudited)

  Revenues                                    $1,517         $8,717

  Cost of sales                                1,161         10,796

  Gross profit                                   356         (2,079)

  Operating expenses:
  Research and development                    25,288         29,058
  Sales and marketing                          4,715         11,205
  General and administrative                   8,228          6,045
  Intangible assets
   amortization expense                        1,784          2,917
  Equity-based expense                         5,381         19,956
  Restructuring and other charges              3,784          2,559

  Operating loss                             (48,824)       (73,819)

  Interest and other income, net               1,794          2,783

  Net loss                                 $ (47,030)      $(71,036)

  Weighted average number of
   common shares outstanding
   (in thousands)                            402,463        360,710

  Basic and diluted net
   loss per common share                      $(0.12)        $(0.20)

                            CORVIS CORPORATION

                                PRO FORMA
           CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (a)
              (Dollars in thousands, except per share data)

                       For Discussion Purposes Only

                                                 Quarter Ended
                                         March 29, 2003   March 30, 2002
                                           (Unaudited)     (Unaudited)

  Revenues                                    $1,517         $8,717

  Cost of sales                                1,161          6,488

  Gross profit                                   356          2,229

  Operating expenses:
    Research and development                  25,288         29,058
    Sales and marketing                        4,715         11,205
    General and administrative                 8,228          6,045

  Operating loss                             (37,875)       (44,079)

  Interest and other income, net               1,794          2,783

  Pro forma net loss                       $ (36,081)      $(41,296)

  Weighted average number
   of common shares outstanding
   (in thousands)                            402,463        360,710

  Pro forma net loss per
   common share                               $(0.09)        $(0.11)

  (a)  Pro forma results exclude restructuring and other charges,
       intangible assets amortization expense, purchased research and
       development expense and equity-based expense.

       For the quarter ended March 29, 2003 restructuring and other charges
       of $3.8 million were recorded as Operating Expenses.   These charges
       were comprised of a $3.0 million charge associated with workforce
       reductions and $0.8 million of other charges.

       For the quarter ended March 30, 2002, restructuring and other
       charges of $6.9 million were recorded as $4.3 million to Cost of
       Sales, $2.6 million to Operating Expenses.

       Pro forma net loss excludes intangible asset amortization expense,
       equity-based expense and restructuring and other charges. To assess
       fully the Company's financial operating results, management believes
       that pro forma net loss is an appropriate measure of evaluating
       operating performance and liquidity of the Company, because it
       reflects more accurately operating performance of the Company for
       the reporting period by excluding those charges associated with past
       events that are not related to current operations or, in the case of
       intangible asset amortization expense and equity-based expense,
       amounts that are non-cash in nature.  This financial measure,
       however, should be considered in addition to, not as a substitute
       for or as being superior to, operating losses, cash flows, or other
       measures of financial performance prepared in accordance with U.S.
       generally accepted accounting principles ("GAAP"). A reconciliation
       of these pro forma results to U.S. GAAP is set forth on the
       following table:

                                                 Quarter Ended
                                         March 29, 2003  March 30, 2002

  Reported net loss                        $ (47,030)      $(71,036)

  Write-down of inventory & other                  -          4,308
  Restructuring & other charges                3,784          2,559
  Equity-based expense                         5,381         19,956
  Intangible asset amortization
   expense                                     1,784          2,917

  Pro forma net loss                       $ (36,081)      $(41,296)

                            CORVIS CORPORATION

                  CONDENSED CONSOLIDATED BALANCE SHEETS
              (Dollars in thousands, except per share data)

                                         March 29, 2003 December 28, 2002
  Assets

  Current assets:
    Cash and cash equivalents                 $403,860       $457,833
    Short-term investments                      16,247         24,133
    Trade accounts receivable                      336          1,781
    Inventory, net                              30,384         26,491
    Other current assets                        13,635         14,406
      Total current assets                     464,462        524,644

  Restricted cash, non-current                   2,329          2,329
  Property and equipment, net                   38,345         45,760
  Goodwill and intangible assets, net           12,181         13,965
  Long-term investments                         28,504         22,450
  Other non-current assets                       1,066          1,170
      Total assets                            $546,887       $610,318

  Liabilities and stockholders' equity
  Current liabilities:
  Notes payable, current portion                  $110           $107
  Capital lease obligations, current portion       730          1,982
  Accounts payable                              11,787         14,973
  Accrued expenses and other liabilities        25,458         31,609
  Provision for restructuring
   and other charges                             9,514         16,130
      Total current liabilities                $47,599        $64,801

  Notes payable, net of current portion          2,695          2,672
  Capital lease obligations, net
   of current portion                               17             74
  Deferred lease liability and other             2,514          2,693
  Total liabilities                             52,825         70,240
  Commitments and contingencies

  Common stock*                                  4,141          4,126
  Additional paid-in capital                 2,815,201      2,809,267
  Shareholder notes receivable                     (32)           (32)
  Treasury stock, 12,281,800 shares
   at cost of $0.77 per share                   (9,512)        (4,405)
  Accumulated other comprehensive loss          (8,019)        (8,191)
  Accumulated deficit                       (2,307,717)    (2,260,687)
  Total stockholders' equity                   494,062        540,078

      Total liabilities and
       stockholders' equity                   $546,887       $610,318

  *   $0.01 per share par value; 1,900,000,000 authorized shares;
      414,655,681 shares issued and 402,373,881 outstanding as of 3/29/03;
      407,199,303 shares issued and outstanding shares as of 12/28/02.

                            CORVIS CORPORATION

                       OTHER FINANCIAL INFORMATION
                          (Dollars in thousands)

                                                    Quarter Ended
                                            March 29, 2003  March 30, 2002

  Capital expenditures                           $ 238         $5,705
  Depreciation expense                           7,135         12,606