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Archipelago Announces Third Quarter 2005 Results

Date 24/10/2005

Archipelago Holdings, Inc. (PCX: AX), owner and operator of the Archipelago Exchange(R) (ArcaEx(R)), the nation's first totally open, all-electronic stock exchange, reported net income of $7.8 million, or $0.16 per diluted share, for the third quarter of 2005, up from the $3.0 million net income, or $0.06 per diluted share, recorded in the second quarter of 2005.

During this quarter, Archipelago continued to incur costs in connection with its announced merger with the New York Stock Exchange (NYSE). For the third quarter of 2005, the NYSE merger costs totaled $3.0 million. Excluding these merger costs, diluted earnings per share would have been $0.20. A full reconciliation of this item is included in the attached table entitled "Reconciliation of non-GAAP financial measures to GAAP measures."

On September 26, 2005, Archipelago completed the acquisition of PCX Holdings, Inc. and its subsidiaries. In connection with this acquisition, the Securities and Exchange Commission entered an order under which Archipelago undertook to divest its introducing broker, Wave Securities, by December 31, 2005. Accordingly, the results of operations and financial condition of Wave Securities are presented as discontinued. To allow for accurate financial performance comparisons going forward, all historical periods have been conformed to this presentation.

"The significant event of this quarter was the closing of our acquisition of PCX Holdings and the forthcoming opportunity to bring Archipelago's equities success to the options marketplace. As you know, we believe there is great opportunity in this area," commented Jerry Putnam, Chairman and CEO of Archipelago. "We also continued to enhance functionality, speed, connectivity, and reliability in our core equity trading products and expect to continue to leverage these advances for options trading."

    Third Quarter Financial Highlights

    * Total revenues for the third quarter of 2005 were $114.1 million as
      compared to $119.7 million for the second quarter of 2005 and $116.0
      million for the third quarter of 2004.

    * Gross margins were $47.6 million for the third quarter of 2005 as
      compared to $50.4 million for the second quarter of 2005 and $44.7
      million for the third quarter of 2004.

    * As a percentage of total revenues, gross margins were down slightly at
      41.7% for the third quarter of 2005 as compared to 42.1% for the second
      quarter of 2005 and up from 38.5% for the third quarter of 2004.

    * Indirect expenses decreased to $37.9 million for the third quarter of
      2005 from $47.9 million for the second quarter of 2005 and were up from
      third quarter 2004 indirect expenses of $32.2 million. Indirect expenses
      were down sequentially by $10.0 million primarily due to a $5.4 million
      decrease of NYSE merger expenses and a $5.5 million decrease of
      discretionary marketing and promotion expenses.

    * As of September 30, 2005, Archipelago had $133.5 million of cash and
      cash equivalents and no long-term debt obligations.

    Third Quarter Volume Highlights

    * Total U.S. market volumes decreased to 252.1 billion shares for the
      third quarter of 2005 from 258.6 billion shares for the second quarter
      of 2005. Clients executed 34.6 billion shares, or 13.7% of total U.S.
      equity securities, on ArcaEx during the third quarter of 2005 compared
      to 35.6 billion shares, or 13.8 %, for the second quarter of 2005 and
      32.8 billion, or 14.8%, for the third quarter 2004.

    * ArcaEx market share in Nasdaq-listed stocks was 23.0% for the third
      quarter 2005 -- largely inline with the 23.1% recorded in the second
      quarter of 2005, but down from the 26.5% recorded in the third quarter
      of 2004.

    * ArcaEx market share increased to 3.7% in NYSE-listed stocks from 3.3%
      for the second quarter of 2005 and 1.8% for the third quarter in 2004.

    * ArcaEx market share increased to 30.8% in AMEX-listed stocks from 29.7%
      for the second quarter of 2005 and 26.2% for the third quarter of 2004.

    * ArcaEx ETF volume grew to 6.4 billion shares, up from 6.2 billion shares
      for the second quarter of 2005 and 4.2 billion for the third quarter of
      2004.

    * The third quarter's 88.8% internal match rate was in line with a second
      quarter 2005 rate of 88.9%.  This compares favorably to a third quarter
      2004 internal match rate of 87.1%.

    Third Quarter Business Highlights

    * Archipelago announced the closing of its acquisition of PCX Holdings,
      Inc. and its subsidiaries, the Pacific Exchange, Inc. and PCX Equities,
      Inc -- officially providing a platform for the options business.

    * The Archipelago Exchange announced that Barclays Global Investors (BGI),
      a worldwide leader in exchange traded funds (ETFs), plans to transfer
      the listing of 20 of its iShares(R) exchange-traded products to ArcaEx.

    * The Archipelago Exchange added six listings -- three of which are
      exclusive listings.

    * Archipelago continued to take share in listed stocks and demonstrate
      leadership in the ETF space.

To supplement Archipelago's consolidated financial statements prepared in accordance with United States generally accepted accounting principles (GAAP) and to better reflect period-over-period comparisons, Archipelago uses non- GAAP financial measures of operating performance. A non-GAAP financial measure is a numerical measure of performance, financial position, or cash flows that either excludes or includes amounts that are not normally excluded or included in the most directly comparable measure, calculated and presented in accordance with GAAP. Non-GAAP financial measures do not replace and are not superior to the presentation of GAAP financial results but are provided to present the effects of direct costs recorded by Archipelago in connection with its announced merger with the NYSE and to improve overall understanding of the company's current financial performance and its prospects for the future. Specifically, Archipelago believes the non-GAAP financial results provide useful information to both management and investors regarding certain additional financial and business trends relating to financial condition and operating results. In addition, management uses these measures for reviewing financial results and evaluating financial performance.

Important Acquisition Information with Respect to Archipelago's Merger with the NYSE

In connection with the proposed merger of Archipelago and the NYSE, the parties filed a registration statement on Form S-4 with the Securities and Exchange Commission ("SEC") on July 21, 2005, as amended on September 14, 2005 and October 24, 2005, containing a preliminary joint proxy statement/prospectus regarding the proposed transaction. The registration statement has not yet become effective. The parties will file other relevant documents concerning the proposed transaction with the SEC.

Such final documents, however, are not currently available. ARCHIPELAGO'S SHAREHOLDERS AND MEMBERS OF THE NYSE ARE URGED TO READ THE DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS REGARDING THE PROPOSED TRANSACTION WHEN IT BECOMES AVAILABLE AND ANY OTHER RELEVANT DOCUMENTS FILED BY THE PARTIES WITH THE SEC, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Archipelago's shareholders and members of the NYSE are able to obtain a free copy of the joint proxy statement/prospectus, as well as other filings containing information about Archipelago and the NYSE, at the SEC's website (http://www.sec.gov) as they are filed with the SEC. Copies of the joint proxy statement/prospectus can also be obtained, without charge, by directing a request to Archipelago, Attention: Investor Relations, at 100 S. Wacker Drive, Suite 1800, Chicago, Illinois 60606 or calling (888) 514-7284.

Archipelago, NYSE and their respective directors and executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies from Archipelago stockholders in respect of the proposed transaction. Information regarding Archipelago's directors and executive officers is available in Archipelago's proxy statement for its 2005 annual meeting of stockholders, dated March 31, 2005. Additional information regarding the interests of such potential participants are included in the joint proxy statement/prospectus and the other relevant documents filed with the SEC when they become available.

This document shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

About Archipelago

Archipelago Holdings (PCX: AX) operates the Archipelago Exchange(R) (ArcaEx(R)) the first totally open all-electronic stock exchange in the United States. ArcaEx trades all Nasdaq-listed equity securities and exchange listed equity securities, including those listed on the New York Stock Exchange(R), American Stock Exchange(R), and Pacific Exchange(R). In addition to offering core execution services, ArcaEx provides corporate clients with listing services and innovative data products. In 2004, Archipelago launched ArcaVision to provide corporate and trading clients with more transparent market data, analytical tools and access to market-wide and ArcaEx specific trading information. Archipelago Holdings completed its initial public offering in August 2004. For more information please visit www.archipelago.com.

Certain statements in this press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on Archipelago's current expectations and involve risks and uncertainties that could cause Archipelago's actual results to differ materially from those set forth in the statements. There can be no assurance that such expectations will prove to be correct. Factors that could cause Archipelago's results to differ materially from current expectations include: general economic and business conditions, industry trends, competitive conditions, regulatory developments as well as other risks or factors identified in the Company's filings with the Securities Exchange Commission, including its Annual Report on Form 10-K for the fiscal year ended December 31, 2004 which is available on the Company's website at http://www.archipelago.com. You should not place undue reliance on forward- looking statements, which speak only as of the date of this press release. Except for any obligation to disclose material information under the Federal securities laws, Archipelago undertakes no obligation to release publicly any revisions to any forward-looking statements to reflect events or circumstances after the date of this press release.

    Contacts:  Margaret Nagle, 312-442-7083 (Press)
               Patrick Murphy, 312-442-7005 (Investor Relations)



                          Archipelago Holdings, Inc.
                    Consolidated Statements of Operations
                    (In thousands, except per share data)
                                 (unaudited)


                                              Three months ended
                                  September 30,      June 30,   September 30,
                                      2005(a)          2005          2004
    Revenues
     Transaction fees                  $98,853      $103,703       $101,615
     Market data fees                   15,080        15,841         14,250
     Listing fees                          135           123            118
    Total revenues                     114,068       119,667        115,983

    Cost of revenues
     Liquidity payments                 49,457        50,983         48,087
     Routing charges                    15,684        16,860         19,980
     Clearance, brokerage and
      other transaction expenses         1,357         1,416          3,213
    Total cost of revenues              66,498        69,259         71,280

    Gross margin                        47,570        50,408         44,703
    Gross margin as a % of total
     revenues                             41.7%         42.1%          38.5%

    Indirect expenses
     Employee compensation and
      benefits                          12,135        12,446          9,526
     Depreciation and amortization       5,262         4,996          4,071
     Communications                      4,803         4,885          4,228
     Marketing and promotion             4,689        10,172          7,751
     Legal and professional              3,121         2,354          2,644
     NYSE merger costs                   2,993         8,432              -
     Occupancy                           1,504         1,251          1,114
     General and administrative          3,379         3,363          2,893
    Total indirect expenses             37,886        47,899         32,227

    Operating income                     9,684         2,509         12,476
    Interest and other, net              1,372         1,139            739
    Income from continuing
     operations before income tax
     provision                          11,056         3,648         13,215
    Income tax provision                 4,533         1,496         (1,883)
    Income from continuing
     operations                          6,523         2,152         15,098
    Income from discontinued
     operations                          1,238           884          2,017
    Net income                           7,761         3,036         17,115
    Deemed dividend on convertible
     preferred shares                        -             -         (9,619)
    Net income attributable to
     common stockholders                $7,761        $3,036         $7,496

    Basic earnings (loss) per share
     from:
     Continuing operations               $0.14         $0.05          $0.36
     Discontinued operations              0.03          0.02           0.05
     Deemed dividend on convertible
      preferred shares                       -             -          (0.23)
    Basic earnings per share             $0.16         $0.06          $0.18(b)

    Diluted earnings (loss) per
     share from:
     Continuing operations               $0.14         $0.04          $0.34
     Discontinued operations              0.03          0.02           0.05
     Deemed dividend on convertible
      preferred shares                       -             -          (0.22)
    Diluted earnings per share           $0.16         $0.06          $0.17(b)

    Basic weighted average shares
     outstanding                        47,206        47,227         41,640(b)
    Diluted weighted average
     shares outstanding                 48,292        48,171         43,994(b)



                                                     Nine months ended
                                                        September 30,
                                                 2005(a)              2004
    Revenues
     Transaction fees                        $310,323             $324,464
     Market data fees                          45,747               38,268
     Listing fees                                 376                  324
    Total revenues                            356,446              363,056

    Cost of revenues
     Liquidity payments                       152,922              151,194
     Routing charges                           50,967               67,664
     Clearance, brokerage and other
      transaction expenses                      4,319               11,761
    Total cost of revenues                    208,208              230,619

    Gross margin                              148,238              132,437
    Gross margin as a % of total revenues        41.6%                36.5%

    Indirect expenses
     Employee compensation and benefits        35,681               28,639
     Depreciation and amortization             14,855               18,308
     Communications                            14,322               11,729
     Marketing and promotion                   17,907               12,186
     Legal and professional                     8,465                8,282
     NYSE merger costs                         11,425                    -
     Occupancy                                  4,108                2,921
     General and administrative                 9,604                6,745
    Total indirect expenses                   116,367               88,810

    Operating income                           31,871               43,627
    Interest and other, net                     3,261                  913
    Income from continuing operations
     before income tax provision               35,132               44,540
    Income tax provision                       14,200               (1,883)
    Income from continuing operations          20,932               46,423
    Income from discontinued operations         3,030                9,992
    Net income                                 23,962               56,415
    Deemed dividend on convertible
     preferred shares                               -               (9,619)
    Net income attributable to common
     stockholders                             $23,962              $46,796

    Basic earnings (loss) per share from:
     Continuing operations                      $0.44                $1.22
     Discontinued operations                     0.06                 0.26
     Deemed dividend on convertible
      preferred shares                              -                (0.25)
    Basic earnings per share                    $0.51                $1.23(b)

    Diluted earnings (loss) per share from:
     Continuing operations                      $0.44                $1.12
     Discontinued operations                     0.06                 0.24
     Deemed dividend on convertible
      preferred shares                              -                (0.23)
    Diluted earnings per share                  $0.50                $1.13(b)

    Basic weighted average shares
     outstanding                               47,192               38,006(b)
    Diluted weighted average shares
     outstanding                               48,106               41,360(b)


    (a) Excludes the results of operations of PCX Holdings, Inc. and
        subsidiaries for the four-day period ended September 30, 2005. These
        results of operations were not material.
    (b) Adjusted to reflect our reorganization from a Delaware limited
        liability company to a Delaware corporation on August 11, 2004.




                          Archipelago Holdings, Inc.
                Consolidated Statements of Financial Condition
                                (In thousands)

                                              September 30,      December 31,
                                                  2005               2004
                                               (unaudited)
    Assets
     Current assets:
      Cash and cash equivalents                   $116,267          $145,170
      Accounts receivable, net                      77,623            72,686
         Total current assets                      193,890           217,856

     Fixed assets, net                              65,429            44,738
     Goodwill                                      131,865           131,865
     Other intangible assets, net                  107,235            92,169
     Deferred tax asset, net                        22,956             5,434
     Other assets                                   10,164             7,774
         Total non-current assets                  337,649           281,980
     Assets of discontinued operations              20,227            40,172
    Total assets                                  $551,766          $540,008

    Liabilities and Stockholders' Equity
     Liabilities:
     Accounts payable and accrued expenses         $96,055           $58,710
     Deferred tax liability                         13,397             3,595
     Capital lease obligations                       1,916             1,545
         Total current liabilities                 111,368            63,850
     Liabilities of discontinued operations         16,310            15,285
         Total liabilities                         127,678            79,135

    Stockholders' equity
     Common stock                                      473               471
     Additional paid-in capital                    462,633           451,625
     Treasury stock                                (65,570)              -
     Unearned stock-based compensation              (6,205)              (19)
     Retained earnings                              32,757             8,796
         Total stockholders' equity                424,088           460,873
    Total liabilities and stockholders' equity    $551,766          $540,008




                          Archipelago Holdings, Inc.
                    Consolidated Statements of Cash Flows
                                (In thousands)
                                 (unaudited)

                                                        Nine months ended
                                                           September 30,
                                                      2005              2004

    Cash flows from operating activities:
    Income from continuing operations              $20,932           $46,423
    Adjustments to reconcile net income to
     net cash provided by operating activities:
       Depreciation and amortization of
        fixed assets                                13,582            17,087
       Amortization of intangible assets             1,273             1,221
       Provision for doubtful accounts                (787)             (500)
       Deferred taxes                                5,832            (3,280)
       Stock-based compensation                      2,239               113
       Tax benefit from stock option
        exercises                                    1,056                 -
      Changes in operating assets and
       liabilities:
        Accounts receivable                         14,675               403
        Other assets                                (1,822)           (7,226)
        Accounts payable and accrued expenses          431           (30,955)
    Net cash provided by operating activities
     of continuing operations                       57,411            23,286
    Net cash provided by operating activities
     of discontinued operations                      5,560            27,115
        Net cash provided by operating
         activities                                 62,971            50,401

    Cash flows from investing activities:
    Acquisition of business, net of cash
     acquired                                      (89,376)                -
    Additions to fixed and other intangible
     assets                                        (20,922)          (19,837)
    Net cash used in investing activities
     of continuing operations                     (110,298)          (19,837)
    Net cash provided by investing activities
     of discontinued operations                      2,952               406
        Net cash used in investing
         activities                               (107,346)          (19,431)

    Cash flows from financing activities:
    Capital contribution from discontinued
     operations                                     24,000            17,000
    Proceeds from initial public offering,
     net of underwriting discounts                     -              67,646
    Direct costs of initial public offering            -              (6,777)
    Cash distribution to former Members                -             (24,613)
    Principal payments under capital lease
     obligations                                    (1,545)           (1,756)
    Proceeds from exercises of stock options         1,529               -
    Repayment of note payable                          -              (4,429)
    Net cash provided by financing activities
     of continuing operations                       23,984            47,071
    Net cash used in financing activities
     of discontinued operations                    (24,000)          (17,000)
        Net cash provided by (used in)
         investing activities                          (16)           30,071

    Net increase (decrease) in cash and
     cash equivalents                              (44,391)           61,041
    Cash and cash equivalents at beginning
     of period                                     177,878           111,815
    Cash and cash equivalents at end of
     period                                        133,487           172,856
    Cash and cash equivalents of discontinued
     operations                                     17,220            27,926
    Cash and cash equivalents of continuing
     operations                                   $116,267          $144,930




                          Archipelago Holdings, Inc.
                                Operating Data
                                 (unaudited)

                                                  Three months ended
                                       September 30,   June 30,  September 30,
                                           2005          2005        2004

    Trading Days                                 64         64             64

    Total U.S. market volume
     (millions of shares)(1)                252,130    258,625        221,085
    Our total U.S. market volume
     (millions of shares)(1)                 34,589     35,620         32,793

    Our share of total U.S. market
     volume(1)(2)                              13.7%      13.8%          14.8%
      % of handled shares matched
        internally(3)                          11.0%      11.1%          11.5%
      % of handled shares routed out(3)         2.7%       2.7%           3.3%

    Total volume of Nasdaq-listed
     securities (millions of shares)        105,797    113,955         99,937
    Our total volume of Nasdaq-listed
     securities (millions of shares)         24,288     26,360         26,460

    Our share of total volume of
     Nasdaq-listed securities(2)               23.0%      23.1%          26.5%
      % of handled shares matched
        internally(3)                          18.4%      18.5%          20.2%
      % of handled shares routed out(3)         4.6%       4.6%           6.3%

    Total volume of NYSE-listed securities
     (millions of shares)                   128,241     127,745       104,025
    Our volume in NYSE-listed securities
     (millions of shares)                     4,721       4,239         1,843

    Our share of total volume of
     NYSE-listed securities(2)                  3.7%        3.3%          1.8%
      % of handled shares matched
        internally(3)                           2.8%        2.5%          1.2%
      % of handled shares routed out(3)         0.9%        0.8%          0.6%

    Total volume of AMEX-listed securities
     (millions of shares)                    18,092      16,925        17,124
    Our volume in AMEX-listed securities
     (millions of shares)                     5,580       5,021         4,490

    Our share of total volume on
     AMEX-listed securities(2)                 30.8%       29.7%         26.2%
      % of handled shares matched
        internally(3)                          26.3%       25.6%         22.7%
      % of handled shares routed out(3)         4.5%        4.1%          3.5%


    Our ETF volume (millions of shares)       6,376       6,215         4,190

    Our U.S. equity transaction volume
     (thousands of transactions)            119,782     119,588       103,543

    Our average U.S. equity
     transaction size (shares per
     transaction)                               289         298           317
    Our average U.S. equity transactions
     per day (thousands of transactions)      1,872       1,869         1,618

    Our average transaction-related
     revenue (per share)(4)                 $0.0029     $0.0029       $0.0031
    Our average transaction-related
     cost of revenue (per share)(5)         $0.0019     $0.0019       $0.0021
    Our average transaction-related
     gross margin (per share)(6)            $0.0010     $0.0010       $0.0010

    % of customer order volume matched
      internally(7)                            88.8%       88.9%         87.1%
    % of customer order volume routed
      out(7)                                   11.2%       11.1%         12.9%



                                                          Nine months ended
                                                            September 30,
                                                        2005             2004

    Trading Days                                         189              188

    Total U.S. market volume (millions of
     shares)(1)                                      773,602          730,466
    Our total U.S. market volume (millions
     of shares)(1)                                   106,040          104,138

    Our share of total U.S. market volume(1)(2)         13.7%            14.3%
      % of handled shares matched
        internally(3)                                   11.0%            10.9%
      % of handled shares routed out(3)                  2.7%             3.4%

    Total volume of Nasdaq-listed securities
     (millions of shares)                            341,990          334,541
    Our total volume of Nasdaq-listed
     securities (millions of shares)                  79,416           86,326

    Our share of total volume of Nasdaq-listed
     securities(2)                                      23.2%            25.8%
      % of handled shares matched
        internally(3)                                   18.5%            19.5%
      % of handled shares routed out(3)                  4.7%             6.3%

    Total volume of NYSE-listed securities
     (millions of shares)                            381,179          339,646
    Our volume in NYSE-listed securities
     (millions of shares)                             12,087            5,547

    Our share of total volume of NYSE-listed
     securities(2)                                       3.2%             1.6%
      % of handled shares matched internally(3)          2.4%             1.0%
      % of handled shares routed out(3)                  0.8%             0.6%

    Total volume of AMEX-listed securities
     (millions of shares)                             50,432           56,279
    Our volume in AMEX-listed securities
     (millions of shares)                             14,536           12,265

    Our share of total volume on AMEX-listed
     securities(2)                                      28.8%            21.8%
      % of handled shares matched internally(3)         24.8%            18.5%
      % of handled shares routed out(3)                  4.0%             3.3%

    Our ETF volume (millions of shares)               17,533           11,019

    Our U.S. equity transaction volume
     (thousands of transactions)                     355,116          304,374

    Our average U.S. equity transaction
     size (shares per transaction)                       299              342
    Our average U.S. equity transactions
     per day (thousands of transactions)               1,879            1,619

    Our average transaction-related revenue               00
     (per share)(4)                                   $0.0029         $0.0031
    Our average transaction-related cost of
     revenue (per share)(5)                           $0.0019         $0.0021
    Our average transaction-related gross
     margin (per share)(6)                            $0.0010         $0.0010

    % of customer order volume matched
      internally(7)                                      88.7%           86.3%
    % of customer order volume routed
      out(7)                                             11.3%           13.7%



    (1) U.S. market volume is calculated based on the number of shares of
        equity securities traded on the NYSE, AMEX and Nasdaq, including
        exchange-traded funds, as reported in the consolidated tape. The
        "consolidated tape" is the system that continuously provides the last
        sale price and volume of securities transactions in listed securities
        to the public.

    (2) Our market share is calculated based on the number of shares handled
        on the Archipelago system as a percentage of total volume.  For
        example, if a customer's 10,000 share buy order is matched with
        another customer's 10,000 share sell order in our internal liquidity
        pool, our handled volume will be 10,000 shares. If the buy or sell
        order were routed out, our handled volume would still be 10,000
        shares.

    (3) Represents our share of the total volume of such securities handled on
        ArcaEx that was either matched internally on ArcaEx or routed out to
        an external market center.

    (4) The per share amount is calculated based on our total revenues derived
        from transaction fees of $98.9 million, $103.7 million and $101.6
        million for the three months ended September 30, 2005, June 30, 2005
        and September 30, 2004, respectively, and $310.3 million and $324.5
        million for the nine months ended September 30, 2005 and 2004,
        respectively.

    (5) The per share amount is calculated based on our cost of revenues
        derived from transaction fees, which consist of routing charges and
        liquidity payments, of $65.1 million, $67.8 million and $68.1 million
        for the three months ended September 30, 2005, June 30, 2005 and
        September 30, 2004, respectively, and $203.9 million and $218.9
        million for the nine months ended September 30, 2005 and 2004,
        respectively. The cost of revenue from transaction fees used in the
        per share computation does not include clearance, brokerage and other
        transaction expenses.

    (6) The per share amount is calculated based on our net revenues received
        from transaction fees, and our total U.S. market volume for the
        relevant period.

    (7) The percentage of customer order volume matched internally is
        calculated by dividing the volume of customer orders executed within
        our internal liquidity pool (including the volume of both buy orders
        and sell orders) by the total volume of customer orders (again
        including the volume of both buy orders and sell orders when such
        orders are matched internally).  The percentage of customer orders
        routed out is calculated by dividing the volume of customer orders
        routed to other market centers by the total volume of customer orders.



                          Archipelago Holdings, Inc.
        Reconciliation of non-GAAP financial measures to GAAP measures
            for the three and nine months ended September 30, 2005
                    (In thousands, except per share data)
                                 (unaudited)

We use non-GAAP financial measures of operating performance. Non-GAAP measures do not replace and are not superior to the presentation of our GAAP financial results but are provided to improve overall understanding of our current financial performance and our prospects for the future.

                                               Three months      Nine months
                                                  ended             ended
                                               September 30,     September 30,
                                                   2005              2005

    Income from continuing operations
     before income tax provision, GAAP              $11,056           $35,132
    Add back:
    NYSE merger costs                                 2,993            11,425
    Income from continuing operations before
     income tax provision, non-GAAP                  14,049            46,557
    Income tax provision(1)                           5,760            19,088
    Income from continuing operations,
     non-GAAP                                         8,289            27,469
    Income from discontinued operations               1,238             3,030
    Net income, non-GAAP                             $9,527           $30,499

    Diluted earnings per share, GAAP                  $0.16             $0.50
    Net effect of adjustments                          0.04              0.14
    Diluted earnings per share, non-GAAP              $0.20             $0.63

    Diluted weighted average shares
     outstanding                                     48,292            48,106

    (1) Using a 41.0% estimated effective tax rate.