GOLDMAN SACHS GROUP INC
SC 13D, 2000-07-14
SECURITY BROKERS, DEALERS & FLOTATION COMPANIES
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<PAGE>


                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13D

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934


                             StorageNetworks, Inc.
                 _____________________________________________
                               (Name of Issuer)


                         Common Stock, $.01 per value
                 _____________________________________________
                         (Title of Class of Securities)


                                  86211E 10 3
                 _____________________________________________
                                (CUSIP Number)

Keith F. Higgins, Esq.                                David J. Greenwald, Esq.
Ropes & Gray                                          Goldman, Sachs & Co.
One International Place                               85 Broad Street
Boston, MA 02110                                      New York, NY 10004
(617) 951-7000                                        (212) 902-1000
        _______________________________________________________________
                (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                 June 30, 2000
        _______________________________________________________________
            (Date of Event which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following
box [_].

The remainder of this cover page will be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page will not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but will be subject to all other provisions of the Act (however, see the
Notes).

<PAGE>


                                 SCHEDULE 13D

CUSIP NO. 86211E 10 3


------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          Goldman, Sachs & Co
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          AF, OO, WC
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) or 2(e)                                         [X]
 5.
------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
          New York
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              0 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 450,133 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING                 0 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          10.
                              11,916,021 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          11,916,021 shares
------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          13.1%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          BD - PN - IA
------------------------------------------------------------------------------

* The power to vote 11,465,888 shares of Common Stock which may be deemed to be
beneficially owned by Goldman, Sachs & Co. has been transferred to United
States Trust Company of New York as voting trustee. See Item 6 hereof.

                                       2

<PAGE>

                                 SCHEDULE 13D

CUSIP NO. 86211E 10 3


------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          The Goldman Sachs Group, Inc.
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          AF, OO
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) or 2(e)                                         [_]
 5.
------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
          Delaware
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              25,000 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 450,133 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING
                              25,000 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          10.
                              11,916,021 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          11,941,021 shares
------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          13.2%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          HC, CO
------------------------------------------------------------------------------

* The power to vote 11,465,888 shares of Common Stock which may be deemed to be
beneficially owned by Goldman Sachs Group, Inc. has been transferred to United
States Trust Company of New York as voting trustee. See Item 6 hereof.

                                       3


<PAGE>

                                 SCHEDULE 13D

CUSIP NO. 86211E 10 3


------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          GS Capital Partners III, L.P.
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          WC
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
 5.   TO ITEMS 2(d) or 2(e)                                         [_]

------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6
          Delaware
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              0 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 0 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING
                              0 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH         10.
                              8,332,028 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          8,332,028 shares
------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          9.2%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          PN
------------------------------------------------------------------------------

* The power to vote 8,332,028 shares of Common Stock which may be deemed to be
beneficially owned by GS Capital Partners III, L.P. has been transferred to
United States Trust Company of New York as voting trustee. See Item 6 hereof.

                                       4

<PAGE>


                                 SCHEDULE 13D

CUSIP NO. 86211E 10 3


------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.    S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          GS Advisors III, L.L.C.
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                              (a) [_]
                                                                 (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          AF
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
 5.     TO ITEMS 2(d) or 2(e)                                         [_]

------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
          Delaware
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              0 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 0 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING
                              0 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH         10.
                              10,622,602 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          10,622,602 shares
------------------------------------------------------------------------------
      CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          11.7%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          OO
------------------------------------------------------------------------------

* The power to vote 10,622,602 shares of Common Stock which may be deemed to be
beneficially owned by GS Advisors III L.L.C. has been transferred to United
States Trust Company of New York as voting trustee. See Item 6 hereof.

                                       5
<PAGE>


                                 SCHEDULE 13D

CUSIP NO. 86211E 10 3


------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.    S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          GS Capital Partners III Offshore, L.P.
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                              (a) [_]
                                                                 (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          WC
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
 5.     TO ITEMS 2(d) or 2(e)                                         [_]

------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
          Cayman Islands
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              0 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 0 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING
                              0 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH         10.
                              2,290,574 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          2,290,574 shares
------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          2.5%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          PN
------------------------------------------------------------------------------

* The power to vote 2,290,574 shares of Common Stock which may be deemed to be
beneficially owned by GS Capital Partners III Offshore, L.P. has been
transferred to United States Trust Company of New York as voting trustee. See
Item 6 hereof.

                                       6

<PAGE>

                                 SCHEDULE 13D

CUSIP No. 86211E 10 3

------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          GS Capital Partners III Germany Civil Law Partnership
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          WC
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) OR 2(e)                                         [_]
 5.
------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
          Germany
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              0 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 0 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING
                              0 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          10.
                              384,650 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          384,650 shares
------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          0.4%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          PN
------------------------------------------------------------------------------

* The power to vote 384,650 shares of Common Stock which may be deemed to be
beneficially by GS Capital Partners III Germany Civil Law Partnership has been
transferred to United States Trust Company of New York as voting trustee. See
Item 6 hereof.

                                       7


<PAGE>


                                 SCHEDULE 13D

CUSIP No. 86211E 10 3

------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          Goldman, Sachs & Co. oHG
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
          AF
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) OR 2(e)                                         [_]
 5.
------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
          Germany
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF
                              0 shares
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.

     OWNED BY                 0 shares*
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING
                              0 shares
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          10.
                              384,650 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.

          384,650 shares
------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
          [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
          0.4%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
          PN
------------------------------------------------------------------------------

* The power to vote 384,650 shares of Common Stock which may be deemed to be
beneficially by Goldman, Sachs & Co. oHG been transferred to United States Trust
Company of New York as voting trustee. See Item 6 hereof.

                                       8
<PAGE>


                                 SCHEDULE 13D
          -----------
CUSIP NO. 86211E 10 3
          -----------

------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Stone Street Fund 1999, L.P.
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
           WC
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) OR 2(e)                                         [_]
 5.
------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
           Delaware
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF             0 shares

      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.
                           0 shares*
     OWNED BY
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING              0 shares

      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          10.
                           458,636 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.
           458,636 shares

------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
           [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
           0.5%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
           PN
------------------------------------------------------------------------------

* The power to vote 458,636 shares of Common Stock which may be deemed to be
beneficially owned by Stone Street Fund 1999, L.P. has been transferred to
United States Trust Company of New York as voting trustee. See Item 6 hereof.

                                       9
<PAGE>

                                 SCHEDULE 13D
CUSIP No. 86211E 10 3


------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Stone Street 1999, L.L.C.
------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 2.                                                             (a) [_]
                                                                (b) [_]
------------------------------------------------------------------------------
      SEC USE ONLY
 3.

------------------------------------------------------------------------------
      SOURCE OF FUNDS
 4.
           AF
------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEMS 2(d) OR 2(e)                                                [_]
 5.
------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6.
           Delaware
------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7.
     NUMBER OF            0 shares

      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8.
                          0 shares*
     OWNED BY
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9.
    REPORTING             0 shares

      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          10.
                          458,636 shares
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11.
           458,636 shares

------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
12.
           [_]
------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13.
           0.5%
------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON
14.
           OO
------------------------------------------------------------------------------

* The power to vote 458,636 shares of Common Stock which may be deemed to be
beneficially by Stone Street 1999, L.L.C. has been transferred to United States
Trust Company of New York as voting trustee. See Item 6 hereof.

                                      10
<PAGE>

                                 SCHEDULE 13D
                                 ------------

                             StorageNetworks, Inc.
                             --------------------

     Item 1.   Security and Issues.
               -------------------

               This statement on Schedule 13D relates to shares of common stock,
par value $.01 per share (the "Common Stock"), of StorageNetworks, Inc., a
Delaware corporation (the "Company"). The principal executive offices of the
Company are located at 100 Fifth Avenue, Waltham, Massachusetts 02451.

     Item 2.   Identity and Background.
               -----------------------

               This 13D filing is being made by GS Capital Partners III, L.P.
("GS Capital III"), GS Capital Partners III Offshore, L.P. ("GS Offshore"), GS
Capital Partners III Germany Civil Law Partnership ("GS Germany"), Stone Street
Fund 1999, L.P. ("Stone 1999" and, together with GS Capital III, GS Offshore and
GS Germany, the "Limited Partnerships"), GS Advisors III, L.L.C. ("GS
Advisors"), Goldman, Sachs & Co. oHG ("GS oHG"), Stone Street 1999, L.L.C.
("Stone L.L.C."), Goldman, Sachs & Co. ("Goldman Sachs") and The Goldman Sachs
Group, Inc. ("GS Group" and together with the Limited Partnerships, GS Advisors,
GS oHG, Stone L.L.C. and Goldman Sachs, the "Filing Persons")./1/ Goldman Sachs
and GS Group may be deemed, for purposes of this statement, to beneficially own
shares of Common Stock through the Limited Partnerships. Goldman Sachs and GS
Group each disclaims beneficial ownership of shares of Common Stock beneficially
owned by the Limited Partnerships to the extent of partnership interests in the
Limited Partnerships held by persons other than Goldman Sachs, GS Group or their
affiliates. In addition, GS Group may be deemed for purposes of this statement
to beneficially own shares of Common Stock held in client accounts with respect
to which Goldman Sachs or employees of Goldman Sachs have voting or investment
discretion, or both ("Managed Accounts"). Goldman Sachs and GS Group disclaim
beneficial ownership of shares of Common Stock held in Managed Accounts. Goldman
Sachs and GS Group may also be deemed, for purposes of this statement, to
beneficially own from time to time shares of Common Stock acquired in ordinary
course trading activities by Goldman Sachs. In addition, GS Group may be deemed
to beneficially own shares subject to a currently exercisable option held by
Randall Blumenthal, a managing director of Goldman Sachs who serves on the
Company's Board of Directors. Mr. Blumenthal has an understanding with GS Group
pursuant to which he holds these options for the benefit of GS Group.

     Each of GS Capital III and Stone 1999, Delaware limited partnerships, GS
Offshore, a Cayman Islands exempted limited partnership, and GS Germany, a
German civil law partnership, was formed for the purpose of investing in equity
and equity-related securities primarily acquired or issued in leveraged
acquisitions, reorganizations and other private equity transactions. GS
Advisors, a Delaware limited liability company, is the sole general partner of
GS Capital III and GS Offshore. GS oHG is the sole managing partner of GS
Germany. Stone L.L.C., a Delaware limited liability company, is the sole general
partner of Stone 1999. Goldman Sachs, a New

______________________
/1/ Neither the present filing nor anything contained herein shall be construed
as an admission that any Filing Person constituted a "person" for any purpose
other than Section 13(d) of the Securities Exchange Act of 1934, as amended.

                                       11
<PAGE>

York limited partnership, is an investment banking firm and a member of the New
York Stock Exchange, Inc. and other national exchanges. Goldman Sachs also
serves as the manager for GS Advisors and Stone 1999 and the investment manager
for GS Capital III, GS Offshore and GS Germany. Goldman Sachs is wholly owned,
directly and indirectly, by GS Group. GS Group is a Delaware corporation and
holding company that (directly and indirectly through subsidiaries or affiliated
companies or both) is a leading investment banking organization. The principal
business address of each Filing Person (other than GS Offshore, GS Germany and
GS oHG) is 85 Broad Street, New York, NY 10004. The principal business address
for GS Offshore is c/o Maples and Calder, P.O. Box 309, Grand Cayman, Cayman
Islands. The principal business address for each of GS Germany and GS oHG is
MesseTurm, 60308 Frankfurt am Main, Germany.

     The name, business address, present principal occupation or employment and
citizenship of each director of GS Group are set forth in Schedule I hereto and
are incorporated herein by reference. The name, business address, present
principal occupation or employment and citizenship of each executive officer of
GS Advisors are set forth in Schedule II-A-i hereto and are incorporated herein
by reference. The name, business address, present principal occupation or
employment and citizenship of each member of the Principal Investment Area
Investment Committee of Goldman Sachs, which is responsible for making all
investment and management decisions for GS Advisors on behalf of Goldman Sachs,
are set forth in Schedule II-A-ii hereto and are incorporated herein by
reference. The name, business address, present principal occupation or
employment and citizenship of each executive officer and director of Goldman,
Sachs & Co. Finanz GmbH, which is the sole managing general partner of GS oHG,
are set forth in Schedule II-B hereto and are incorporated herein by reference.
The name, business address, present principal occupation or employment and
citizenship of each executive officer of Stone L.L.C. are set forth in Schedule
II-C-i hereto and are incorporated herein by reference. The name, business
address, present principal occupation or employment and citizenship of each
member of the Stone Street Investment Committee of Goldman Sachs, which is
responsible for making all investment and management decisions for Stone L.L.C.
on behalf of Goldman Sachs, are set forth on Schedule II-C-ii hereto and are
incorporated herein by reference.

     During the last five years, none of the Filing Persons, nor, to the
knowledge of each of the Filing Persons, any of the persons listed on Schedules
I, II-A-i, II-A-ii, II-B, II-C-i and II-C-ii hereto, (i) has been convicted in a
criminal proceeding (excluding traffic violations or similar misdemeanors) or
(ii) except as set forth on Schedule III hereto, has been a party to a civil
proceeding of a judicial o administrative body of competent jurisdiction and as
a result of such proceeding was or is subject to a judgment, decree, or final
order enjoining future violations of, or prohibiting or mandating activities
subject to federal or state securities laws or finding any violation with
respect to such laws.

     Item 3.   Source and Amount of Funds or Other Consideration.
               -------------------------------------------------

     The Limited Partnerships acquired from StorageNetworks an aggregate of
5,081,298 shares of Series B Preferred Stock ("Series B Preferred") on July 1,
1999 at a purchase price of $4.92 per share for aggregate consideration of
$24,999,986.  In that transaction, GS Capital III acquired 3,692,476 shares of
Series B Preferred, GS Offshore acquired 1,015,106 shares of Series B Preferred,
GS Germany acquired 170,464 shares of Series B Preferred and Stone 1999 acquired
203,252 shares of Series B Preferred.

      In January 2000, the Limited Partnerships acquired from two of the
Company's executive officers 1,303,292 shares of Common Stock at a purchase
price of $17.13 per share (such share number and share price and those that
follow have been adjusted to reflect a 2-for-1 split of the Common Stock
effected January 26, 2000), for aggregate consideration of $11,162,696.  In that
transaction, GS Capital III

                                       12
<PAGE>

acquired 473,538 shares of Common Stock, GS Offshore acquired 130,181 shares of
Common Stock, GS Germany acquired 21,861 shares of Common Stock and Stone 1999
acquired 26,066 shares of Common Stock.

     As a result of the foregoing transactions, immediately prior to the initial
public offering of the Common Stock in July 2000 (the "IPO") the Limited
Partnerships owned 5,081,298 shares of Series B Preferred and 1,303,292 shares
of Common Stock. GS Capital III owned 3,692,476 shares of Series B Preferred and
947,076 shares of Common Stock, GS Offshore owned 1,015,106 shares of Series B
Preferred and 260,362 shares of Common Stock, GS Germany owned 170,464 shares of
Series B Preferred and 43,772 shares of Common Stock and Stone 1999 owned
203,252 shares of Series B Preferred and 52, 132 shares of Common Stock.
Effective upon the consummation of the IPO, each share of Series B Preferred was
converted into two shares of Common Stock.

     As of July 6, 2000, Goldman Sachs and GS Group may be deemed to
beneficially own, through the limited partnerships, 11,465,888 shares of Common
Stock. As of July 6, 2000, Goldman Sachs and the GS Group also may be deemed to
have beneficially owned 446,592 shares of Common Stock in Managed Accounts,
3,541 shares of Common Stock acquired in ordinary course trading activities by
Goldman Sachs and, with respect to GS Group, 25,000 shares subject to a
currently exercisable option held by Randall Blumenthal, a managing director of
Goldman Sachs who serves on the Company's Board of Directors. Schedule IV
reflects the transactions effected by Goldman Sachs during the sixty days prior
to and including July 6, 2000, all of which were effected in the ordinary course
of business. The aggregate consideration (exclusive of commissions) for the
Common Stock purchased during such period was $397,435,759.80.

    The funds used by the Limited Partnerships to purchase Common Stock as
described above were obtained by such entities from capital contributions by
their partners and from the available funds of such entities. The funds for
ordinary course trading purchases came from Goldman Sachs' working capital. The
funds used to purchase the Common Shares for Managed Accounts came from client
funds.

     None of the persons listed on Schedule I, Schedule II-A-i, II-A-ii, II-B,
II-C-i or II-C-ii hereto has contributed any funds or other consideration
towards the purchase of the securities of the Company, except insofar as they
may have partnership interests in any of the Filing Persons and have made
capital contributions to any of the Filing Persons, as the case may be.

     Item 4.   Purpose of the Transaction.
               ---------------------------

     The Limited Partnerships purchased the shares of Series B Preferred and
Common Stock for the purpose of acquiring an equity interest in the Company. In
connection with the Limited Partnerships' purchase of Series B Preferred on July
1, 1999, and pursuant to a stockholders' voting agreement entered into in
connection therewith, GS Capital III designated Randall A. Blumenthal, a
managing director of Goldman Sachs, to the Board of Directors of the Company.
The stockholders' voting agreement terminated upon the closing of the IPO.

     The shares of Common Stock which may be deemed to be held by Goldman Sachs,
other than shares which may be deemed beneficially owned through the Limited
Partnerships, were acquired in the ordinary course of business of Goldman Sachs.

     Other Plans and Proposals. Except as described above or otherwise described
     -------------------------
in the statement, none of the Filing Persons has any plans or proposals which
would relate to or would result

                                       13
<PAGE>

in any transaction event or action enumerated in paragraphs (a) through (j) of
Item 4 of Schedule 13(d). In connection with the IPO, the Limited Partnerships
agreed not to sell or otherwise dispose of any shares of Common Stock (or
securities convertible into or exchangeable for, Common Stock) during the period
beginning on the date of and continuing to and including the date 180 days
after June 29, 2000, the date of the final prospectus related to the IPO (the
"Lock-Up Agreement"). The Lock-Up Agreement is further described in Item 6.

     Each of the Filing Persons expects to evaluate on an ongoing basis the
Company's financial condition, business, operations and prospects, the market
price of the Common Stock, conditions in the securities markets generally,
general economic and industry conditions and other factors. Accordingly, each
Filing Person reserves the right to change its plans and intentions at any time,
as it deems appropriate. In particular, any one or more of Filing Persons (and
their respective affiliates) may purchase additional shares of Common Stock or
preferred stock of the Company ("Preferred Stock") or other securities of the
Company or may sell or transfer shares of Common Stock or Preferred Stock (or
any of the shares of Common Stock into which such Preferred Stock is converted
or any convertible notes, for which such Preferred Stock is exchanged)
beneficially owned by them from time to time in public or private transactions
and/or may enter into privately negotiated derivative transactions with
institutional counterparties to hedge the market risk of some or all of their
positions in the shares of Common Stock, Preferred Stock or other securities
and/or may cause any of the Limited Partnerships to distribute in kind to their
respective partners or members, as the case may be, shares of Common Stock or
Preferred Stock or other securities owned by such Limited Partnerships. Any such
transactions may be effected at any time or from time to time subject to (i) the
restrictions contained in the agreements entered into in connection with the
Common Stock and Series B Preferred purchases, as amended, and (ii) any
applicable limitations imposed on the sale of any of their Company securities by
the Securities Act of 1933, as amended, and the rules and regulations
promulgated thereunder (the "Securities Act") or other applicable law. To the
knowledge of each Filing Person, each of the persons listed on Schedules I,
II-A-i, II-A-ii, II-B, II-C-i or II-C-ii hereto may make similar evaluations
from time to time or on an ongoing basis.

     Item 5.   Interest in Securities of the Issuer
               ------------------------------------

     (a) Based on information provided to the Filing Persons by the Company,
there were 90,651,243 shares of Common Stock outstanding as of the close of
business on July 6, 2000, the closing date of the IPO.

     As of July 6, 2000, GS Capital III beneficially owned an aggregate of
8,332,028 shares of Common Stock, representing in the aggregate approximately
9.2% of the outstanding Common Stock.

     As of July 6, 2000, GS Offshore beneficially owned an aggregate of
2,290,574 shares of Common Stock, representing in the aggregate approximately
2.5% of the outstanding Common Stock.

     As of July 6, 2000, GS Advisors, as the sole general partner of GS Capital
III and GS Offshore, may be deemed to have beneficially owned an aggregate of
10,622,602 shares of Common Stock beneficially owned by GS Capital III and GS
Offshore, representing in the aggregate approximately 11.7% of the Common Stock.

                                       14
<PAGE>

     As of July 6, 2000, Stone 1999 beneficially owned and its general partner,
Stone L.L.C., may be deemed to have beneficially owned, an aggregate of 458,636
shares of Common Stock, representing in the aggregate approximately 0.5% of the
Common Stock.

     As of July 6, 2000, GS Germany beneficially owned, and his managing
partner, GS oHG, may be deemed to have beneficially owned, an aggregate of
384,650 shares of Common Stock, representing in the aggregate approximately 0.4%
of the Common Stock.

     As of July 6, 2000, each of Goldman Sachs and GS Group may be deemed to
have beneficially owned an aggregate of 11,916,021 and 11,941,021 shares of
Common Stock, respectively, including (i) 11,465,888 shares of Common Stock
beneficially owned by the Limited Partnerships as described above, (ii) 446,592
shares of Common Stock held in Managed Accounts, (iii) 3,541 shares of Common
Stock acquired in ordinary course trading activities by Goldman Sachs, and, with
respect to GS Group only, (iv) 25,000 shares subject to a currently exercisable
option held by Randall Blumenthal, a managing director of Goldman Sachs who
serves on the Company's Board of Directors, such shares representing in the
aggregate approximately 13.1% and 13.2% of the Common Stock outstanding on July
6, 2000, respectively. Goldman Sachs and GS Group disclaim beneficial ownership
of (i) the Common Stock beneficially owned by the Limited Partnerships to the
extent of partnership interests in the Limited partnerships held by persons
other than Goldman Sachs, GS Group or their affiliates and (ii) the Common Stock
held in Managed Accounts.

     None of the Filing Persons or, to the knowledge of the Filing Persons, any
of the persons listed on Schedules I, II-A-I, II-A-ii, II-B, II-C-i or II-C-ii
hereto, beneficially owned any shares of Common Stock as of July 6, 2000, other
than as set forth herein.

     (b) Each Filing Person shares the power to dispose or to direct the
disposition of shares of Common Stock beneficially owned by such Filing Person
as indicated above. The power to vote or direct the vote of the Common Stock
beneficially owned by each Filing Person as indicated above (other than those
held in Managed Accounts, as a result of ordinary course trading activities or,
with respect to GS Group, pursuant to Mr. Blumenthal's options), has been
transferred to the Voting Trustee pursuant to the Voting Trust Agreement
described in Item 6. As further described below, Limited Partnerships entered
into the Voting Trust Agreement dated as of July 6, 2000 pursuant to which the
11,465,888 shares of Common Stock which Goldman Sachs and GS Group may be deemed
to beneficially own through the Limited Partnerships were deposited into the
Voting Trust and transferred to United States Trust Company of New York as
voting trustee. Generally, the Voting Trustee will vote such Common Stock with
the majority of votes cast (not including such Common Stock) or, in certain
circumstances, in proportion to the votes cast (not including such Common Stock)
or abstain from voting.

     (c) Except with respect to transactions effected by Goldman Sachs, in its
capacity as an underwriter in the IPO (as further described in Item 6), Schedule
IV sets forth the transactions in the Common Shares which have been effected
during the 60 days prior to and including July 6, 2000, all of which were
effected in the ordinary course of business of Goldman Sachs. The transactions
in the shares of Common Stock, described in Schedule IV, were effected in The
Nasdaq National Market. The aggregate consideration (exclusive of commissions)
for the Common Stock purchased during such period was $397,435,759.80.

                                       15
<PAGE>

     Except with respect to transactions effected by Goldman Sachs in its
capacity as an underwriter in the IPO and transfers by the Limited Partnerships
in connection with the Voting Trust Agreement, and except as set forth in
Schedule IV, no transactions in the Common Stock were effected by the Filing
Persons, or, to the knowledge of any of the Filing Persons, any of the persons
listed on Schedules I, II-A-i, II-A-ii, II-B, II-C-i or II-C-ii hereto during
the sixty days prior to July 6, 2000.

     (d) Except for clients of Goldman Sachs who may have the right to receive
or the power to direct the receipt of dividends from, or the proceeds from the
sale of, any shares of Common Stock held in Managed Accounts, no other person is
known by any Filing Person to have the right to receive or the power to direct
the receipt of dividends from, or the proceeds from the sale of, any shares of
Common Stock beneficially owned by any Filing Person.

     Under the terms of the Voting Trust Agreement, the Voting Trustee is to
deliver any distributions (whether of cash, securities, or otherwise) received
from the Company to the Limited Partnerships beneficially owning the shares of
Common Stock subject to the Voting Trust, except that any distribution of voting
securities of the Company will not be delivered and will become subject to the
Voting Trust.

     (e) Not applicable

Item 6.   Contracts, Arrangements, Understandings or Relationships with respect
          ---------------------------------------------------------------------
          to the Securities of the Issuer.
          -------------------------------

     Stockholder Rights Agreement. The Limited Partnerships (which term
     ----------------------------
includes, for the purpose of this Item only, Goldman, Sachs & Co. Verwaltungs
GmbH as GS Germany's nominee) and the Company are parties to the Third Amended
and Restated Stockholder Rights Agreement dated February 29, 2000 (the
"Stockholder Rights Agreement"). Pursuant to the Stockholder Rights Agreement,
persons who held preferred stock in the Company prior to its conversion into
Common Stock on the date of the IPO and certain other holders of Common Stock
have, with respect to such shares of Common Stock (the "Registrable
Securities"), certain rights with respect to the registration of those shares
under the Securities Act. At any time on or prior to January 6, 2001, upon the
request of holders of at least 20% of the then-outstanding Registrable
Securities, the Company must file a registration statement to register such
securities provided that the Registrable Securities subject to the request have
a market value of at least $5 million (request and market value thresholds of
10% and $1 million apply to registrations on Form S-3 registration statements).
The Company may be required to effect requested registrations on up to three
occasions as well as once in every 12-month period with respect to registrations
on Form S-3. Finally, if the Company at any time proposes to register any of its
securities under the Securities Act, either for its own account or that of other
stockholders exercising registration rights, the holders of Registrable
Securities are entitled to notice of and the opportunity to include their shares
in such registration. All of these registration rights are subject to conditions
and limitations, among them the right of the underwriters of an offering to
limit the number of shares included in such registration. All expenses incurred
in connection with such registrations (other than underwriters' discounts and
commissions, but including the fees and disbursements of Company counsel) will
be borne by the Company. The selling stockholders will bear the cost of
underwriters' discounts and commissions with respect to their shares.

                                       16
<PAGE>

     Underwriting Agreement.  In connection with the IPO, an Underwriting
     ----------------------
Agreement, dated June 29, 2000 (the "Underwriting Agreement"), was entered into
by the Company and Goldman Sachs, Credit Suisse First Boston Corporation, Thomas
Weisel Partners L.L.C. and Wit SoundView Corporation, as representatives of the
several underwriters listed in Schedule I thereto (the "Underwriters"). The
Underwriting Agreement provides for the Underwriters' purchase from the Company
of 9,000,000 shares of Common Stock and the Underwriters' option to purchase up
to an additional 1,350,000 shares of Common Stock at the same purchase price for
the purpose of covering over-allotments. The Underwriters executed the over-
allotment option in full on July 3, 2000. The initial public offering price in
the IPO was $27.00 per share. Under the Underwriting Agreement, the Underwriters
purchased the Common Stock net of an underwriting discount of $1.89 per share.
The Underwriting Agreement contains standard terms and conditions for a public
offering including customary representations and warranties and indemnity
provisions.

     Lock-up Agreements.  In connection with the IPO, the Company's officers and
     ------------------
directors and certain stockholders of the Company have agreed that, during the
period beginning on the date of the final prospectus and continuing to and
including the date 180 days after June 29, 2000, the date of the final
prospectus, they will not offer, sell, contract to sell, pledge, grant any
option to purchase, make any short sale or otherwise dispose of any shares of
Common Stock or options or warrants to purchase Common Stock or any securities
convertible into, exchangeable for or which represent the right to receive
Common Stock, other than by making certain types of gifts meeting conditions
pre-defined in the Lock-Up Agreement.

     Voting Trust Agreement. The Limited Partnerships entered into a Voting
     ----------------------
Trust Agreement, dated as of July 6, 2000, with United States Trust Company of
New York, as voting trustee.  Pursuant to the Voting Trust Agreement, the
Limited Partnerships agreed to transfer the shares of Common Stock beneficially
owned by them to the voting trustee ("Voting Trustee") as trustee for the Voting
Trust.  The Limited Partnerships retain full discretion to transfer the shares
of Common Stock subject to the Voting Trust as well as all economic rights
pertaining to such Common Stock, but, so long as such shares of Common Stock are
beneficially owned by any of the Limited Partnerships, Goldman Sachs, GS Group
or any affiliate of any Limited Partnership, Goldman Sachs or GS Group, the
Voting Trustee is obligated to vote such shares with the majority vote cast with
respect to all other shares of Common Stock or, in certain circumstances, in
proportion to the vote cast with respect to all other shares of Common Stock or
to abstain from voting.  The Voting Trust is irrevocable and perpetual in
duration unless terminated in limited circumstances, which include, among
others, most transfers of the shares held thereunder, the bankruptcy of the
Company, a reduction in the aggregate percentage ownership interest in the
Company of the Limited Partnerships, Goldman Sachs and GS Group to below 5% of
the voting stock outstanding and the cessation of Randall Blumenthal's service
on the Board of Directors.

     The foregoing descriptions of the Stockholder Rights Agreement,
Underwriting Agreement, Lock-Up Agreement and Voting Trust Agreement are
qualified in their entirety by reference to the Stockholder Rights Agreement,
Underwriting Agreement, form of Lock-Up Agreement and Voting Trust Agreement,
copies of which are filed as Exhibits 99.1, 99.2, 99.3 and 99.4 hereto,
respectively, and are incorporated herein by reference. Except as described
herein, none of the Filing Persons or, to the knowledge of each of the Filing
Persons, any of the persons listed on Schedule I, II-A-i, II-A-ii, II-B, II-C-i
or II-C-ii hereto is a party to any contract, arrangement, understanding or
relationship with respect to any securities of the Company.

                                       17
<PAGE>

     Item 7.   Material to be Filed as Exhibits.
               ---------------------------------


Exhibit No.                     Exhibit
-----------                     -------


99.1           Third Amended and Restated Stockholders Rights Agreement

99.2           Underwriting Agreement

99.3           Form of Lock-Up Agreement

99.4           Voting Trust Agreement

99.5           Joint Filing Agreement

99.6           Power of Attorney, dated December 21, 1998, relating to Goldman,
               Sachs & Co.

99.7           Power of Attorney, dated May 7, 1999, relating to The Goldman
               Sachs Group, Inc.

99.8           Power of Attorney, dated January 31, 2000, relating to GS Capital
               Partners III, L.P.

99.9           Power of Attorney, dated January 31, 2000, relating to GS Capital
               Partners III Offshore, L.P.

99.10          Power of Attorney, dated October 7, 1999, relating to GS Capital
               Partners III Germany Civil Law Partnership.

99.11          Power of Attorney, dated January 21, 2000, relating to GS
               Advisors III, L.L.C.

99.12          Power of Attorney, dated March 28, 2000, relating to Goldman,
               Sachs & Co. oHG

99.13          Power of Attorney, dated December 16, 1999, relating to Stone
               Street Fund 1999, L.P.

99.14          Power of Attorney, dated December 16, 1999, relating to Stone
               Street Fund 1999, L.L.C.

                                       18
<PAGE>

                                   Signature
                                   ---------


     After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.

Dated:  July 14, 2000


                                   GOLDMAN, SACHS & CO.




                                   By: /s/ Roger S. Begelman
                                      -------------------------
                                   Name: Roger S. Begelman
                                   Title: Attorney-in-fact


                                   THE GOLDMAN SACHS GROUP, INC.



                                   By: /s/ Roger S. Begelman
                                      -------------------------
                                   Name: Roger S. Begelman
                                   Title: Attorney-in-fact


                                   GS ADVISORS, L.L.C.



                                   By: /s/ Roger S. Begelman
                                      -------------------------
                                   Name: Roger S. Begelman
                                   Title: Attorney-in-fact


                                   GS CAPITAL PARTNERS III, L.P.



                                   By: /s/ Roger S. Begelman
                                      -------------------------
                                   Name: Roger S. Begelman
                                   Title: Attorney-in-fact

                                       19
<PAGE>

                              GS CAPITAL PARTNERS III OFFSHORE, L.P.



                              By: /s/ Roger S. Begelman
                                 --------------------------
                              Name: Roger S. Begelman
                              Title: Attorney-in-fact


                              GS CAPITAL PARTNERS III (GERMANY) CIVIL
                              LAW PARTNERSHIP (with limitation of liability)



                              By: /s/ Roger S. Begelman
                                 --------------------------
                              Name: Roger S. Begelman
                              Title: Attorney-in-fact


                              GOLDMAN, SACHS & CO. oHG



                              By: /s/ Roger S. Begelman
                                 --------------------------
                              Name: Roger S. Begelman
                              Title: Attorney-in-fact


                              STONE STREET FUND 1999, L.P.



                              By: /s/ Roger S. Begelman
                                 --------------------------
                              Name: Roger S. Begelman
                              Title: Attorney-in-fact


                              STONE STREET FUND 1999, L.L.C.


                              By: /s/ Roger S. Begelman
                                 --------------------------
                              Name: Roger S. Begelman
                              Title: Attorney-in-fact

                                       20
<PAGE>

                                                SCHEDULE I
                                                ----------

     The name of each director of The Goldman Sachs Group, Inc. is set forth
below.

     The business address of each person listed below except John L. Thornton,
Sir John Browne, James A. Johnson, John H. Bryan and Ruth J. Simmons is 85 Broad
Street, New York, NY 10004. The business address of John L. Thornton is 133
Fleet Street, London EC4A 2BB, England. The business address of Sir John Browne
is BP Amoco plc, Brittanic House, 1 Finsbury Circus, London EC2M, England. The
business address of James A. Johnson is Fannie Mae, 3900 Wisconsin Avenue NW,
Washington, D.C. 20016. The business address of John H. Bryan is Three First
National Plaza, Chicago, IL 60602-4260. The business address of Ruth J. Simmons
is Office of the President, Smith College, College Hall Room 20, Northhampton,
MA 01063.

     Each person is a citizen of the United States of America except for Sir
John Browne, who is a citizen of the United Kingdom. The present principal
occupation or employment of each of the listed persons is set forth below.

<TABLE>
<CAPTION>

         Name                    Present Principal Occupation
         -------------------------------------------------------------------------------------------------

         <S>                     <C>
         Henry M. Paulson, Jr.   Chairman and Chief Executive Officer of The Goldman Sachs Group, Inc.

         Robert J. Hurst         Vice Chairman of The Goldman Sachs Group, Inc.

         John A. Thain           President and Co-Chief Operating Officer of The Goldman Sachs Group, Inc.

         John L. Thornton        President and Co-Chief Operating Officer of The Goldman Sachs Group, Inc.
</TABLE>

                                    Page 1
<PAGE>

<TABLE>

         <S>                     <C>
         Sir John Browne         Group Chief Executive of BP Amoco plc

         James A. Johnson        Chairman of the Executive Committee of the Board of Fannie Mae

         John H. Bryan           Chairman and Chief Executive Officer of Sara Lee Corporation

         Ruth J. Simmons         President of Smith College

         John L. Weinberg        Senior Chairman of The Goldman Sachs Group, Inc.
</TABLE>


                                    Page 2
<PAGE>

                                                                 SCHEDULE II-A-i
                                                                 ---------------

     The name, position and present principal occupation of each executive
officer of GS Advisors III, L.L.C., the sole general partner of GS Capital
Partners III, L.P. and GS Capital Partners III Offshore, L.P., are set forth
below.

     The business address for all the executive officers listed below except
Barry S. Volpert is 85 Broad Street, New York, New York 10004. The business
address of Barry S. Volpert is 133 Fleet Street, London EC4A 2BB, England.

     All executive officers listed below are United States citizens.

<TABLE>
<CAPTION>
 Name                            Position                     Present Principal Occupation
 --------------------------------------------------------------------------------------------------------
 <S>                             <C>                          <C>
 Richard A. Friedman             President                    Managing Director of Goldman, Sachs & Co.

 Terence M. O'Toole              Vice President               Managing Director of Goldman, Sachs & Co.

 Elizabeth C. Fascitelli         Treasurer                    Managing Director of Goldman, Sachs & Co.

 Joseph H. Gleberman             Vice President               Managing Director of Goldman, Sachs & Co.

 Henry Cornell                   Vice President               Managing Director of Goldman, Sachs & Co.

 Barry S. Volpert                Vice President               Managing Director of Goldman Sachs International

 David J. Greenwald              Assistant Secretary          Managing Director of Goldman, Sachs & Co.
</TABLE>

                                    Page 1
<PAGE>

<TABLE>
<S>                              <C>                          <C>
 Esta E. Stecher                 Assistant Secretary          Managing Director of Goldman, Sachs & Co.

 James B. McHugh                 Assistant Secretary          Vice President of Goldman, Sachs & Co.

 Patrick P. Mulvihill            Assistant Treasurer          Managing Director of Goldman, Sachs & Co.

 Sarah Smith                     Assistant Treasurer          Managing Director of Goldman, Sachs & Co.

 Dan H. Jester                   Assistant Treasurer          Managing Director of Goldman, Sachs & Co.

 David A. Viniar                 Assistant Treasurer          Managing Director of Goldman, Sachs & Co.

 Katherine B. Enquist            Vice President/Secretary     Vice President of Goldman, Sachs & Co.

 John E. Bowman                  Vice President               Vice President of Goldman, Sachs & Co.

 Katherine L. Nissenbaum         Vice President               Vice President of Goldman, Sachs & Co.
</TABLE>

                                                             Page xx of xx pages

                                    Page 2
<PAGE>

                                          SCHEDULE II-A-ii
                                          ----------------


     The name and principal occupation of each member of the Principal
Investment Area Investment Committee of Goldman, Sachs & Co., which exercises
the authority of Goldman, Sachs & Co. in managing GS Advisors III, L.L.C., are
set forth below.

     The business address for each member listed below except Gene T. Sykes,
Richard S. Sharp, Barry S. Volpert, Scott B. Kapnick and Antoine L. Schwartz is
85 Broad Street, New York, New York 10004. The business address of Gene T. Sykes
is 2765 Sand Hill Road, Menlo Park, CA 94025. The business address of Richard S.
Sharp, Barry S. Volpert, Scott B. Kapnick and Antoine L. Schwartz is 133 Fleet
Street, London EC4A 2BB, England.

     All members listed below except Richard S. Sharp, Sanjeev K. Mehra and
Antoine L. Schwartz are United States citizens. Richard S. Sharp is a citizen of
the United Kingdom, Sanjeev K. Mehra is a citizen of India and Antoine L.
Schwartz is a citizen of France.

<TABLE>
<CAPTION>
Name                                    Present Principal Occupation
------------------------------------------------------------------------------------------------------------
<S>                                     <C>
Peter M. Sacerdote                      Advisory Director of Goldman, Sachs & Co.

Richard A. Friedman                     Managing Director of Goldman, Sachs & Co.

Joseph H. Gleberman                     Managing Director of Goldman, Sachs & Co.

Robin Neustein                          Managing Director of Goldman, Sachs & Co.

Terence M. O'Toole                      Managing Director of Goldman, Sachs & Co.
</TABLE>

                                    Page 1
<PAGE>

Gene T. Sykes                Managing Director of Goldman, Sachs & Co.

Henry Cornell                Managing Director of Goldman, Sachs & Co.

Robert V. Delaney            Managing Director of Goldman, Sachs & Co.

Richard S. Sharp             Managing Director of Goldman Sachs International

Barry S. Volpert             Managing Director of Goldman Sachs International

Sanjeev K. Mehra             Managing Director of Goldman, Sachs & Co.

Muneer A. Satter             Managing Director of Goldman, Sachs & Co.

Scott B. Kapnick             Managing Director of Goldman Sachs International

Peter G. Sachs               Senior Director of The Goldman Sachs Group, Inc.

Antoine L. Schwartz          Managing Director of Goldman Sachs International

                                    Page 2
<PAGE>

                                              SCHEDULE II-B
                                              -------------


     The name, position and present principal occupation of each executive
officer and director of Goldman, Sachs & Co. Finanz GmbH which is the sole
managing general partner of Goldman, Sachs & Co. oHG are set forth below.

     The business address for each of the executive officers and directors
listed below is MesseTurm, 60308 Frankfurt am Main, Germany.

     Of the directors and executive officers listed below, Stefan J. Jentzsch,
Timothy C. Plaut and Alexander C. Dibelius are citizens of Germany, Daniel W.
Stanton is a citizen of the United States and Rudolf W. Ferscha is a citizen of
Austria.

<TABLE>
<CAPTION>
Name                                    Position                               Present Principal Occupation
------------------------------------------------------------------------------------------------------------------------------
<S>                                     <C>                                     <C>
Stefan J. Jentzsch                      Managing Director                       Managing Director of Goldman, Sachs & Co. oHG

Rudolf W. Ferscha                       Managing Director                       Executive Director of Goldman, Sachs & Co. oHG

Timothy C. Plaut                        Managing Director                       Managing Director of Goldman, Sachs & Co. oHG

Daniel W. Stanton                       Managing Director                       Managing Director of Goldman, Sachs & Co. oHG

Alexander C. Dibelius                   Managing Director                       Managing Director of Goldman, Sachs & Co. oHG
</TABLE>

                                                              Page 1
<PAGE>

                                SCHEDULE II-C-i
                                ---------------


     The name, position and present principal occupation of each executive
officer of Stone Street 1999, L.L.C., the sole general partner of Stone Street
Fund 1999, L.P., are set forth below.

     The business address for each of the executive officers listed below is 85
Broad Street, New York, New York 10004.

     All executive officers listed below except Sanjeev K. Mehra are United
States citizens. Sanjeev K. Mehra is a citizen of India.

<TABLE>
<CAPTION>

       Name                           Position                              Present Principal Occupation
-----------------------------------------------------------------------------------------------------------------------

<S>                                <C>                                 <C>
Richard A. Friedman                Vice President                      Managing Director of Goldman, Sachs & Co.

Terence M. O'Toole                 Vice President                      Managing Director of Goldman, Sachs & Co.

Joseph H. Gleberman                Vice President                      Managing Director of Goldman, Sachs & Co.

Sanjeev K. Mehra                   Vice President/Treasurer            Managing Director of Goldman, Sachs & Co.

Peter G. Sachs                     Vice President                      Senior Director of The Goldman Sachs Group, Inc.

Peter M. Sacerdote                 President                           Advisory Director of Goldman, Sachs & Co.

David J. Greenwald                 Vice President                      Managing Director of Goldman, Sachs & Co.

Esta E. Stecher                    Vice President                      Managing Director of Goldman, Sachs & Co.
</TABLE>

                                    Page 1
<PAGE>

<TABLE>
<S>                                <C>                                 <C>
James B. McHugh                    Assistant Secretary                 Vice President of Goldman, Sachs & Co.

Patrick P. Mulvihill               Assistant Treasurer                 Managing Director of Goldman, Sachs & Co.

Sarah Smith                        Assistant Treasurer                 Managing Director of Goldman, Sachs & Co.

Katherine B. Enquist               Vice President/Secretary            Vice President of Goldman, Sachs & Co.

Richard J. Stingi                  Vice President                      Vice President of Goldman, Sachs & Co.

John E. Bowman                     Vice President                      Vice President of Goldman, Sachs & Co.

Katherine L. Nissenbaum            Vice President                      Vice President of Goldman, Sachs & Co.
</TABLE>

                                    Page 2
<PAGE>

                                          SCHEDULE II-C-ii
                                          ----------------

     The name and principal occupation of each member of the Stone Street
Investment Committee of Goldman, Sachs & Co., which exercises the authority of
Goldman, Sachs & Co. in managing Stone Street 1999, L.L.C., are set forth below.

     The business address for each member listed below is 85 Broad Street, New
York, New York 10004.

     All members listed below except Sanjeev K. Mehra are United States
citizens. Sanjeev K. Mehra is a citizen of India.

<TABLE>
<CAPTION>
Name                                    Present Principal Occupation
------------------------------------------------------------------------------------------------------------
-------------------------------------
<S>                                     <C>
Peter M. Sacerdote                      Advisory Director of Goldman, Sachs & Co.

Peter G. Sachs                          Senior Director of The Goldman Sachs Group, Inc.

Richard A. Friedman                     Managing Director of Goldman, Sachs & Co.

Joseph H. Gleberman                     Managing Director of Goldman, Sachs & Co.

Terence M. O'Toole                      Managing Director of Goldman, Sachs & Co.

Sanjeev K. Mehra                        Managing Director of Goldman, Sachs & Co.
</TABLE>


                                        Page xx of xx pages
<PAGE>

                                  SCHEDULE III
                                  ------------



     On April 6, 2000, in connection with an industry-wide investigation by the
Securities and Exchange Commission (the "SEC") relating to the pricing of
government securities in advance refunding transactions, Goldman, Sachs & Co.
(the "Firm") joined in a global settlement resolving the SEC investigation as
well as a related qui tam lawsuit purportedly brought on behalf of the United
States entitled United States ex rel. Lissack v. Goldman, Sachs & Co., et al.,
95 Civ. 1363 (S.D.N.Y.)(BSJ). Pursuant to the settlement, without admitting or
denying the findings, the Firm consented to the issuance of an SEC
administrative order (SEA Rel. No. 42640) which, among other things, found that
the Firm had violated Sections 17(a)(2) and (3) of the Securities Act of 1933 in
connection with such pricing of government securities, required the Firm to
cease and desist from violating such provisions, and ordered the Firm to make
payments totaling approximately $5.1 Million to the U.S. Treasury and $104,000
to two municipalities. Under the global settlement, the qui tam lawsuit was
dismissed with prejudice, and the Internal Revenue Service agreed not to
challenge the tax-free nature of the refundings by virtue of the pricing of such
securities.

                                    Page 1
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      86  3/8      5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      86  3/8      5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      86  3/8     5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      86  3/8      5-Jul-00    10-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      86  3/8      5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      86  3/8      5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      86  3/8      5-Jul-00    10-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      86  3/8      5-Jul-00    10-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
                      250      86  3/8      5-Jul-00    10-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  5/8      5-Jul-00    10-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       93.00000    5-Jul-00    10-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50      85  3/8      5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          650                   27.00000   29-Jun-00     6-Jul-00
                      650       99.97920    5-Jul-00    10-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          350                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.97920    5-Jul-00    10-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.97920    5-Jul-00    10-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.97920    5-Jul-00    10-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
           71                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          250                  87  5/16     3-Jul-00     7-Jul-00
                    1,500       87.25830    3-Jul-00     7-Jul-00
                      250      87  5/16     3-Jul-00     7-Jul-00
        1,500                  87.25830     3-Jul-00     7-Jul-00
          100                  98  7/16    30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          400                  97  7/16    30-Jun-00     6-Jul-00
                    1,000      98  1/16    30-Jun-00     6-Jul-00
        2,000                  99  5/8     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          200                  99  1/4     30-Jun-00     6-Jul-00
          100                  99  5/8     30-Jun-00     6-Jul-00
        2,000                  98  1/4     30-Jun-00     6-Jul-00
                      200      97  7/8     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          100                  99  5/16    30-Jun-00     6-Jul-00
        2,000                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,000                  93  3/4     30-Jun-00     6-Jul-00
        3,800                   98.00000   30-Jun-00     6-Jul-00
        2,500                   99.81250   30-Jun-00     6-Jul-00
                      900       97.07960   30-Jun-00     6-Jul-00
          250                  94  3/4     30-Jun-00     6-Jul-00
        3,100                   97.54340   30-Jun-00     6-Jul-00
        8,000                   94.98438   30-Jun-00     6-Jul-00
           85                   93.83625   30-Jun-00     6-Jul-00
          500                  96  5/16    30-Jun-00     6-Jul-00
                      300      98  5/16    30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
        1,100                   98.68750   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
        3,200                  96  1/4     30-Jun-00     6-Jul-00
          200                  95  7/16    30-Jun-00     6-Jul-00
          400                   97.00000   30-Jun-00     6-Jul-00
          400                  93  3/4     30-Jun-00     6-Jul-00
                       70       97.46880   30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
                      120       97.46880   30-Jun-00     6-Jul-00
          200                  95  7/16    30-Jun-00     6-Jul-00
        1,000                   96.00000   30-Jun-00     6-Jul-00
          700                   99.00000   30-Jun-00     6-Jul-00
          100                  93  2/4     30-Jun-00     6-Jul-00
                      800      96  9/16    30-Jun-00     6-Jul-00
                      500       97.45000   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          200                  96  3/4     30-Jun-00     6-Jul-00
       55,000                   99.16670   30-Jun-00     6-Jul-00
        1,200                  93  3/4     30-Jun-00     6-Jul-00
                       80      96  2/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                       50      93  9/16    30-Jun-00     6-Jul-00
                    2,000      98  3/8     30-Jun-00     6-Jul-00
        1,000                   93.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
           17                   99.68750   30-Jun-00     6-Jul-00
                    1,260       97.46880   30-Jun-00     6-Jul-00
          300                  98  3/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
        5,000                  96  1/8     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          130                  98  3/16    30-Jun-00     6-Jul-00
                    1,000       91.16250   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  98  1/8     30-Jun-00     6-Jul-00
        2,500                  93  1/8     30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
                   27,760       97.46880   30-Jun-00     6-Jul-00
                      600      99  1/4     30-Jun-00     6-Jul-00
          120                  93  9/16    30-Jun-00     6-Jul-00
                    2,900       97.25030   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
          500                   97.00000   30-Jun-00     6-Jul-00
                      300       97.07960   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
          150                  98  3/16    30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
        3,200                  98  3/4     30-Jun-00     6-Jul-00
        6,200                  96  1/4     30-Jun-00     6-Jul-00
          100                  100  1/16   30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
          500                  96  1/8     30-Jun-00     6-Jul-00
        2,739                   99.81250   30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          500                  98  7/8     30-Jun-00     6-Jul-00
                      200      98  1/4     30-Jun-00     6-Jul-00
          700                  96  5/16    30-Jun-00     6-Jul-00
          200                   95.62880   30-Jun-00     6-Jul-00
          200                   97.00000   30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  97  9/16    30-Jun-00     6-Jul-00
          500                  93  3/4     30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
                   50,000       97.21200   30-Jun-00     6-Jul-00
          300                   97.69490   30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
                       95       97.46880   30-Jun-00     6-Jul-00
                   15,000       96.62080   30-Jun-00     6-Jul-00
          250                  97  5/16    30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
                       70       97.46880   30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          200                  95  7/16    30-Jun-00     6-Jul-00
       12,100                   97.69490   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
                    5,500      100.00000   30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
        1,500                   97.69490   30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
           50                  96  1/4     30-Jun-00     6-Jul-00
          200                 100  3/8     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          400                  96  5/16    30-Jun-00     6-Jul-00
                    3,100       97.25030   30-Jun-00     6-Jul-00
                      500      96  3/8     30-Jun-00     6-Jul-00
                    5,500       97.25030   30-Jun-00     6-Jul-00
        3,700                   90.23000   30-Jun-00     6-Jul-00
                   25,000       97.72640   30-Jun-00     6-Jul-00
                   30,000       96.90540   30-Jun-00     6-Jul-00
          500                  97  3/4     30-Jun-00     6-Jul-00
          800                  96  9/16    30-Jun-00     6-Jul-00
          140                  96  1/4     30-Jun-00     6-Jul-00
                      100      98  1/4     30-Jun-00     6-Jul-00
        1,000                  98  3/8     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
       20,000                   95.00000   30-Jun-00     6-Jul-00
        1,500                   99.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
        2,100                  97  7/16    30-Jun-00     6-Jul-00
        4,000                   95.00000   30-Jun-00     6-Jul-00
          400                  97  7/16    30-Jun-00     6-Jul-00
          200                   98.93750   30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
                      230       97.46880   30-Jun-00     6-Jul-00
          200                   96.40630   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  92  5/8     30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
                    1,000       90.41250   30-Jun-00     6-Jul-00
          800                  96  7/16    30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
          300                  98  3/4     30-Jun-00     6-Jul-00
        1,100                  93  7/8     30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
        6,900                  97  1/8     30-Jun-00     6-Jul-00
          300                  98  7/8     30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
          200                  98  5/8     30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      700       96.78780   30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
          400                   95.76790   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
        1,000                  97  3/8     30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
          100                  95  5/16    30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          300                  98  5/8     30-Jun-00     6-Jul-00
        3,670                  95  2/4     30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
        2,200                   97.54340   30-Jun-00     6-Jul-00
        3,500                   94.45000   30-Jun-00     6-Jul-00
        1,300                   99.68750   30-Jun-00     6-Jul-00
          100                 100  2/4     30-Jun-00     6-Jul-00
                      600       97.33780   30-Jun-00     6-Jul-00
                    6,000       97.07960   30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  99  5/16    30-Jun-00     6-Jul-00
                    3,150       97.36380   30-Jun-00     6-Jul-00
          200                  97  3/4     30-Jun-00     6-Jul-00
          500                  96  5/16    30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
                    1,000       93.91250   30-Jun-00     6-Jul-00
                      200       97.16550   30-Jun-00     6-Jul-00
                    1,400       97.25030   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          100                   92.32690   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
                      800       95.55770   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
          500                   96.72500   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          300                 100  1/16    30-Jun-00     6-Jul-00
           25                  96  1/4     30-Jun-00     6-Jul-00
        3,100                   97.67890   30-Jun-00     6-Jul-00
          400                   99.81250   30-Jun-00     6-Jul-00
       11,200                   95.92760   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                   39,000       97.06780   30-Jun-00     6-Jul-00
          200                  99  1/8     30-Jun-00     6-Jul-00
          900                   99.81250   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          400                  96  3/16    30-Jun-00     6-Jul-00
        2,700                  94  7/8     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          100                  97  7/8     30-Jun-00     6-Jul-00
          400                  99  3/4     30-Jun-00     6-Jul-00
          800                   97.67890   30-Jun-00     6-Jul-00
                      200       99.81250   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
          600                   96.00000   30-Jun-00     6-Jul-00
        2,300                  98  3/4     30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
                       70       97.46880   30-Jun-00     6-Jul-00
          100                  97  1/8     30-Jun-00     6-Jul-00
          200                  99  5/16    30-Jun-00     6-Jul-00
          190                  96  1/4     30-Jun-00     6-Jul-00
        7,800                   99.16670   30-Jun-00     6-Jul-00
        3,000                  96  1/8     30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
          400                  95  3/4     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
        1,200                   99.81250   30-Jun-00     6-Jul-00
                    1,800       97.07960   30-Jun-00     6-Jul-00
                      200       95.00000   30-Jun-00     6-Jul-00
          200                   97.54340   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
       10,500                  96  1/8     30-Jun-00     6-Jul-00
        5,000                  95  1/16    30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
                    3,400       97.25030   30-Jun-00     6-Jul-00
                      500       99.80000   30-Jun-00     6-Jul-00
        1,600                  100.00000   30-Jun-00     6-Jul-00
          700                  97  3/4     30-Jun-00     6-Jul-00
          300                   92.32690   30-Jun-00     6-Jul-00
          200                   97.69490   30-Jun-00     6-Jul-00
                      100      99  7/8     30-Jun-00     6-Jul-00
                      100      96  2/4     30-Jun-00     6-Jul-00
        2,000                  95  3/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          400                   95.01563   30-Jun-00     6-Jul-00
          900                  97  1/4     30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          100                   98.68750   30-Jun-00     6-Jul-00
          100                   98.68750   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
                    5,000       94.60500   30-Jun-00     6-Jul-00
        1,150                   97.54340   30-Jun-00     6-Jul-00
                    1,300       97.07960   30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
        2,100                  94  1/4     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
                    1,000       93.00000   30-Jun-00     6-Jul-00
        1,500                  98  3/4     30-Jun-00     6-Jul-00
          400                  97  1/4     30-Jun-00     6-Jul-00
                      200      100.00000   30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
          200                  98  3/8     30-Jun-00     6-Jul-00
          200                   97.54340   30-Jun-00     6-Jul-00
                    1,200       96.78780   30-Jun-00     6-Jul-00
          400                   95.00000   30-Jun-00     6-Jul-00
          800                  97  9/16    30-Jun-00     6-Jul-00
          800                   96.19250   30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
                      100      100.00000   30-Jun-00     6-Jul-00
        1,000                  98  1/4     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
          100                   93.47500   30-Jun-00     6-Jul-00
        6,500                   94.95000   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
                    2,700       97.14150   30-Jun-00     6-Jul-00
        1,000                   97.67890   30-Jun-00     6-Jul-00
          200                   98.45750   30-Jun-00     6-Jul-00
        2,900                   96.40630   30-Jun-00     6-Jul-00
          200                  97  1/8     30-Jun-00     6-Jul-00
          400                   96.63610   30-Jun-00     6-Jul-00
                    4,600      99  9/16    30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  5/8     30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
                   13,800       97.06780   30-Jun-00     6-Jul-00
                    3,300       97.16550   30-Jun-00     6-Jul-00
        1,000                  97  9/16    30-Jun-00     6-Jul-00
          600                  97  1/4     30-Jun-00     6-Jul-00
                    2,000      96  1/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          100                   94.85938   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
           50                  100.00000   30-Jun-00     6-Jul-00
          500                  100.00000   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
        2,400                  98  5/8     30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
        1,000                   96.00000   30-Jun-00     6-Jul-00
        1,000                   97.67890   30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
          600                  97  1/4     30-Jun-00     6-Jul-00
                      200       97.07960   30-Jun-00     6-Jul-00
          100                   91.42500   30-Jun-00     6-Jul-00
          500                  91  2/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          600                   97.00000   30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
          200                   97.00000   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
          200                   95.45000   30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
          400                  98  1/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          300                  93  3/4     30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          500                  93  3/4     30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          400                   96.00000   30-Jun-00     6-Jul-00
          150                   98.00000   30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
                      100      99  2/4     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
          100                   97.67890   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          300                  97  5/8     30-Jun-00     6-Jul-00
          500                  98  7/8     30-Jun-00     6-Jul-00
          300                   99.81250   30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          250                  92  5/8     30-Jun-00     6-Jul-00
        1,700                  98  1/4     30-Jun-00     6-Jul-00
                    3,000       96.28330   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
                      300       97.07960   30-Jun-00     6-Jul-00
          300                   97.00000   30-Jun-00     6-Jul-00
          225                   98.00000   30-Jun-00     6-Jul-00
        2,000                  92  2/4     30-Jun-00     6-Jul-00
          600                  96  1/8     30-Jun-00     6-Jul-00
        2,000                  96  5/16    30-Jun-00     6-Jul-00
        8,500                  97  1/4     30-Jun-00     6-Jul-00
          600                   95.00000   30-Jun-00     6-Jul-00
        1,000                   99.68750   30-Jun-00     6-Jul-00
          500                  96  5/16    30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
        2,500                  100.93000   30-Jun-00     6-Jul-00
        2,000                  97  3/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  98  1/4     30-Jun-00     6-Jul-00
          200                  99  1/4     30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
          200                  93  3/4     30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
       17,700                   97.67890   30-Jun-00     6-Jul-00
                      100       94.60500   30-Jun-00     6-Jul-00
                    2,320       97.36380   30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          800                  97  3/8     30-Jun-00     6-Jul-00
                    2,600       97.07960   30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
        1,300                  97  3/8     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          800                  97  1/4     30-Jun-00     6-Jul-00
          150                  96  1/4     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
                    1,300       97.25030   30-Jun-00     6-Jul-00
                   52,500       96.38580   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          200                  97  9/16    30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
          200                   93.81250   30-Jun-00     6-Jul-00
          400                  95  7/16    30-Jun-00     6-Jul-00
          600                   99.00000   30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
                      450       95.55770   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
          100                  95  7/16    30-Jun-00     6-Jul-00
          500                  98  1/8     30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        2,550                   99.81250   30-Jun-00     6-Jul-00
                    4,300       97.07960   30-Jun-00     6-Jul-00
                    7,100       97.14150   30-Jun-00     6-Jul-00
        5,000                   96.51250   30-Jun-00     6-Jul-00
          100                  99  5/8     30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
        1,000                  97  9/16    30-Jun-00     6-Jul-00
        1,200                  98  3/4     30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
          100                  98  3/16    30-Jun-00     6-Jul-00
           50                   97.54340   30-Jun-00     6-Jul-00
                      400      96  2/4     30-Jun-00     6-Jul-00
          500                  96  9/16    30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
                   75,000       97.45500   30-Jun-00     6-Jul-00
        2,500                   96.00000   30-Jun-00     6-Jul-00
          200                  97  1/8     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
          600                   97.69490   30-Jun-00     6-Jul-00
        2,000                  95  7/16    30-Jun-00     6-Jul-00
           50                  96  7/8     30-Jun-00     6-Jul-00
          300                  93  1/8     30-Jun-00     6-Jul-00
        1,150                   97.54340   30-Jun-00     6-Jul-00
                   23,200       96.87980   30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
        1,900                  96  5/16    30-Jun-00     6-Jul-00
        5,000                   97.15630   30-Jun-00     6-Jul-00
                      100       96.86670   30-Jun-00     6-Jul-00
                       95       97.46880   30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
          900                   96.00000   30-Jun-00     6-Jul-00
        2,650                   94.00000   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
          800                   97.67890   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
        5,000                  98  1/4     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
        2,300                  97  1/4     30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
           50                   95.00000   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
           50                  98  1/8     30-Jun-00     6-Jul-00
        1,000                  97  7/8     30-Jun-00     6-Jul-00
          250                  98  3/16    30-Jun-00     6-Jul-00
        2,250                   97.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
          500                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
          100                   95.00000   30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          500                   95.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          500                  98  3/4     30-Jun-00     6-Jul-00
        1,000                  96  7/8     30-Jun-00     6-Jul-00
          100                   98.68750   30-Jun-00     6-Jul-00
          900                  96  5/16    30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
        1,900                  93  3/8     30-Jun-00     6-Jul-00
          800                   97.00000   30-Jun-00     6-Jul-00
        5,000                  96  1/8     30-Jun-00     6-Jul-00
                   25,000       97.72640   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
           50                  96  5/16    30-Jun-00     6-Jul-00
          500                  97  9/16    30-Jun-00     6-Jul-00
          400                   97.69490   30-Jun-00     6-Jul-00
                    1,000      98  5/16    30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          700                  98  3/4     30-Jun-00     6-Jul-00
        2,000                  96  1/4     30-Jun-00     6-Jul-00
                   10,500       96.87980   30-Jun-00     6-Jul-00
        1,000                   99.00000   30-Jun-00     6-Jul-00
          900                  96  5/16    30-Jun-00     6-Jul-00
          450                  94  1/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
           18                  96  9/16    30-Jun-00     6-Jul-00
          465                  94  7/8     30-Jun-00     6-Jul-00
          800                  93  3/4     30-Jun-00     6-Jul-00
        6,000                  96  1/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                   99.63750   30-Jun-00     6-Jul-00
          500                  96  7/16    30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          500                   98.67250   30-Jun-00     6-Jul-00
        6,000                   95.89580   30-Jun-00     6-Jul-00
                    7,000       95.54630   30-Jun-00     6-Jul-00
          650                  93  1/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
        1,000                  93  3/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
                      300       97.07960   30-Jun-00     6-Jul-00
          300                  93  3/4     30-Jun-00     6-Jul-00
          300                  97  2/4     30-Jun-00     6-Jul-00
          690                   96.00000   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
                       45       97.46880   30-Jun-00     6-Jul-00
                       55       97.46880   30-Jun-00     6-Jul-00
                      100     100  1/16    30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                 <C>        <C>         <C>         <C>
          200                  93  3/4     30-Jun-00     6-Jul-00
                    2,800       97.24360   30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
          200                   95.60000   30-Jun-00     6-Jul-00
        2,900                  98  3/4     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
        1,200                   97.67890   30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
           35                   93.00000   30-Jun-00     6-Jul-00
        3,200                  97  9/16    30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
        2,300                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
        2,000                   99.68750   30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          500                  98  7/8     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          400                  98  5/8     30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  98  7/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                   98.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
        1,200                  96  1/8     30-Jun-00     6-Jul-00
        2,100                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          500                  98  3/4     30-Jun-00     6-Jul-00
          100                  98  7/8     30-Jun-00     6-Jul-00
                      200       99.84375   30-Jun-00     6-Jul-00
        1,600                   97.54340   30-Jun-00     6-Jul-00
        1,000                   96.00000   30-Jun-00     6-Jul-00
                      100      99  2/4     30-Jun-00     6-Jul-00
        2,200                  97  3/8     30-Jun-00     6-Jul-00
          100                  93  3/16    30-Jun-00     6-Jul-00
          100                  93  9/16    30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
          200                  90  7/8     30-Jun-00     6-Jul-00
          100                  100.01563   30-Jun-00     6-Jul-00
                       50       97.46880   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
       18,600                   98.97170   30-Jun-00     6-Jul-00
                    5,500      96  9/16    30-Jun-00     6-Jul-00
        1,600                  96  5/16    30-Jun-00     6-Jul-00
          100                  96  9/16    30-Jun-00     6-Jul-00
        4,300                  100.00000   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                 <C>        <C>         <C>         <C>
                    1,000      100.00000   30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
                      800       97.07960   30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
        2,400                   96.93750   30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
                      100      97  2/4     30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
        2,000                   97.67890   30-Jun-00     6-Jul-00
          400                  93  1/8     30-Jun-00     6-Jul-00
        4,341                   99.68750   30-Jun-00     6-Jul-00
          100                  99  5/8     30-Jun-00     6-Jul-00
          700                  97  5/16    30-Jun-00     6-Jul-00
          300                   95.92760   30-Jun-00     6-Jul-00
                    2,300       97.07960   30-Jun-00     6-Jul-00
          200                  97  5/16    30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
          400                   97.00000   30-Jun-00     6-Jul-00
        1,500                  93  1/8     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          100                   93.47500   30-Jun-00     6-Jul-00
        2,300                   96.40630   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        4,300                   97.00000   30-Jun-00     6-Jul-00
        1,200                  96  1/8     30-Jun-00     6-Jul-00
          700                  98  3/4     30-Jun-00     6-Jul-00
                      100      99  2/4     30-Jun-00     6-Jul-00
          400                  90  1/4     30-Jun-00     6-Jul-00
        3,000                  96  7/16    30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
          300                   98.00000   30-Jun-00     6-Jul-00
          700                   98.46950   30-Jun-00     6-Jul-00
          500                  93  1/4     30-Jun-00     6-Jul-00
          250                   92.32690   30-Jun-00     6-Jul-00
          800                   97.67890   30-Jun-00     6-Jul-00
          600                  97  3/8     30-Jun-00     6-Jul-00
                      100      96  3/8     30-Jun-00     6-Jul-00
          200                   98.68750   30-Jun-00     6-Jul-00
           50                  95  2/4     30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
        1,000                  97  9/16    30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
        3,000                  97  2/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        3,000                  97  3/8     30-Jun-00     6-Jul-00
                      200      100.00000   30-Jun-00     6-Jul-00
          300                  96  1/8     30-Jun-00     6-Jul-00
        2,000                  93  3/4     30-Jun-00     6-Jul-00
          400                  97  7/16    30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
          300                  99  5/16    30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
        2,000                   96.00000   30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
        1,500                  93  2/4     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
          170                  96  1/4     30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  99  3/4     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          263                   97.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                    3,100       97.25030   30-Jun-00     6-Jul-00
          300                   97.00000   30-Jun-00     6-Jul-00
        2,500                  96  1/8     30-Jun-00     6-Jul-00
        2,500                  96  1/4     30-Jun-00     6-Jul-00
        5,400                   97.67890   30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
          600                   95.00000   30-Jun-00     6-Jul-00
                      300      98  3/8     30-Jun-00     6-Jul-00
          900                  96  1/4     30-Jun-00     6-Jul-00
          300                  99  5/16    30-Jun-00     6-Jul-00
        1,000                   98.68750   30-Jun-00     6-Jul-00
                      185       97.46880   30-Jun-00     6-Jul-00
          100                   98.68750   30-Jun-00     6-Jul-00
          200                   97.69490   30-Jun-00     6-Jul-00
           80                  96  1/4     30-Jun-00     6-Jul-00
          400                   97.69490   30-Jun-00     6-Jul-00
        2,200                  98  1/4     30-Jun-00     6-Jul-00
          110                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  99  3/4     30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
       22,300                  97  7/16    30-Jun-00     6-Jul-00
        1,000                  95  3/4     30-Jun-00     6-Jul-00
        1,000                   93.68750   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
                    1,400      97  2/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
        1,500                  98  1/8     30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
          500                   98.97170   30-Jun-00     6-Jul-00
        2,500                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
                      700       97.07960   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          709                  98  1/4     30-Jun-00     6-Jul-00
          100                  93  7/8     30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
          300                   99.68750   30-Jun-00     6-Jul-00
                   10,000       95.21250   30-Jun-00     6-Jul-00
                      500       97.19400   30-Jun-00     6-Jul-00
          200                  98  2/4     30-Jun-00     6-Jul-00
          500                  97  7/8     30-Jun-00     6-Jul-00
          300                  96  1/4     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
                      455       95.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
          100                  98  5/8     30-Jun-00     6-Jul-00
          500                  95  7/16    30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
          200                  90  1/4     30-Jun-00     6-Jul-00
          155                  96  1/4     30-Jun-00     6-Jul-00
                      200      97  3/8     30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
          600                  97  1/4     30-Jun-00     6-Jul-00
        1,000                  93  3/8     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
       10,000                   95.00000   30-Jun-00     6-Jul-00
        7,302                   96.63990   30-Jun-00     6-Jul-00
                      200      97  1/8     30-Jun-00     6-Jul-00
           85                  99  5/16    30-Jun-00     6-Jul-00
        2,000                   96.00000   30-Jun-00     6-Jul-00
                      800       97.07960   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          300                   97.81250   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
        5,000                  96  1/4     30-Jun-00     6-Jul-00
                    1,900       97.25030   30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
                    5,000       92.50630   30-Jun-00     6-Jul-00
          300                  98  5/8     30-Jun-00     6-Jul-00
        2,300                  96  7/16    30-Jun-00     6-Jul-00
        2,800                 100  3/8     30-Jun-00     6-Jul-00
        2,500                  97  1/8     30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
          400                  98  7/8     30-Jun-00     6-Jul-00
          500                  94  7/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
          100                  99  5/8     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
        3,000                  96  9/16    30-Jun-00     6-Jul-00
        4,000                  98  3/4     30-Jun-00     6-Jul-00
          390                  96  1/4     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
        3,000                  97  9/16    30-Jun-00     6-Jul-00
          100                  97  1/4     30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
                      400      98  3/8     30-Jun-00     6-Jul-00
          800                  95  3/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
        1,100                  96  1/8     30-Jun-00     6-Jul-00
          125                   97.54340   30-Jun-00     6-Jul-00
                    1,150       97.36380   30-Jun-00     6-Jul-00
        2,400                   99.68750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  98  7/8     30-Jun-00     6-Jul-00
          800                  96  7/16    30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
                      195       97.46880   30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
        2,000                   99.00000   30-Jun-00     6-Jul-00
          400                  97  3/8     30-Jun-00     6-Jul-00
          490                  96  1/4     30-Jun-00     6-Jul-00
          122                  99  3/4     30-Jun-00     6-Jul-00
        3,995                  90  1/4     30-Jun-00     6-Jul-00
        3,200                   96.40630   30-Jun-00     6-Jul-00
        1,255                  93  1/4     30-Jun-00     6-Jul-00
          500                  93  3/4     30-Jun-00     6-Jul-00
          600                   96.32890   30-Jun-00     6-Jul-00
        1,000                  98  5/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,500                  93  1/8     30-Jun-00     6-Jul-00
          225                   98.00000   30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
           50                   95.03130   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
                    2,200       97.07960   30-Jun-00     6-Jul-00
        2,200                   97.67890   30-Jun-00     6-Jul-00
        1,400                  97  7/16    30-Jun-00     6-Jul-00
                   25,000       97.72640   30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          300                  98  1/8     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          500                  97  5/16    30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          300                  98  3/4     30-Jun-00     6-Jul-00
        2,500                  96  1/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
          200                  95  2/4     30-Jun-00     6-Jul-00
                      100      99  7/8     30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          500                  99  5/16    30-Jun-00     6-Jul-00
        1,500                   96.63610   30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          200                   98.68750   30-Jun-00     6-Jul-00
          300                   95.00000   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
                    2,500      96  5/8     30-Jun-00     6-Jul-00
           60                  96  1/4     30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
        1,900                   96.40630   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
        1,000                  98  5/8     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
           50                  94  1/4     30-Jun-00     6-Jul-00
           17                  97  3/8     30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          300                   93.68750   30-Jun-00     6-Jul-00
                    1,000      98  3/8     30-Jun-00     6-Jul-00
        3,000                  96  5/16    30-Jun-00     6-Jul-00
          200                   98.00000   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
       67,500                   95.74770   30-Jun-00     6-Jul-00
          300                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          200                   94.81250   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          600                  96  5/16    30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
                    4,500       97.45000   30-Jun-00     6-Jul-00
        1,000                  97  1/4     30-Jun-00     6-Jul-00
        2,300                   97.67890   30-Jun-00     6-Jul-00
                      200      99  1/16    30-Jun-00     6-Jul-00
                    1,200       97.07960   30-Jun-00     6-Jul-00
           95                  98  1/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
                    1,000       97.07960   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          200                  97  9/16    30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          400                   97.69490   30-Jun-00     6-Jul-00
        1,000                   99.28750   30-Jun-00     6-Jul-00
        4,600                  96  1/4     30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                  98  7/8     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          100                   91.42500   30-Jun-00     6-Jul-00
          500                   97.00000   30-Jun-00     6-Jul-00
        1,400                   99.81250   30-Jun-00     6-Jul-00
           35                  94  7/8     30-Jun-00     6-Jul-00
          600                  97  3/4     30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
        1,500                  99  1/4     30-Jun-00     6-Jul-00
                    8,200      98  1/4     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
        5,000                   99.16670   30-Jun-00     6-Jul-00
        2,300                   96.40630   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          200                   98.46950   30-Jun-00     6-Jul-00
          300                  98  3/4     30-Jun-00     6-Jul-00
          500                  95  2/4     30-Jun-00     6-Jul-00
           42                  96  2/4     30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
        1,500                  98  1/4     30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
                      100       97.07960   30-Jun-00     6-Jul-00
                    1,000       94.00000   30-Jun-00     6-Jul-00
        2,900                  96  7/16    30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          500                   97.15000   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
                      600       97.07960   30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
       11,100                   97.67890   30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
          200                  93  3/8     30-Jun-00     6-Jul-00
          500                  97  3/4     30-Jun-00     6-Jul-00
          500                 100  3/8     30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
          400                   98.46950   30-Jun-00     6-Jul-00
                    1,200       99.00000   30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
                    1,700       97.25030   30-Jun-00     6-Jul-00
                   44,600       97.25030   30-Jun-00     6-Jul-00
                      200      96  3/4     30-Jun-00     6-Jul-00
          100                  93  5/16    30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
                      300      96  2/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
        1,000                  98  5/8     30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
           85                   97.19000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
           41                  93  1/4     30-Jun-00     6-Jul-00
          200                  99  3/4     30-Jun-00     6-Jul-00
          500                   98.46950   30-Jun-00     6-Jul-00
          225                   98.00000   30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
        1,000                  99  3/4     30-Jun-00     6-Jul-00
          400                   97.00000   30-Jun-00     6-Jul-00
       10,000                  96  1/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
        8,400                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  97  5/16    30-Jun-00     6-Jul-00
          700                   99.00000   30-Jun-00     6-Jul-00
        1,200                  100.00000   30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          700                   97.00000   30-Jun-00     6-Jul-00
        2,000                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
        2,400                  98  1/8     30-Jun-00     6-Jul-00
          400                  97  9/16    30-Jun-00     6-Jul-00
        3,900                   97.67890   30-Jun-00     6-Jul-00
          200                   96.93750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          300                  96  1/4     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
                      100      97  2/4     30-Jun-00     6-Jul-00
          500                  100.42500   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
     <S>           <C>        <C>          <C>         <C>
          600                  97  9/16    30-Jun-00     6-Jul-00
        1,000                   98.45750   30-Jun-00     6-Jul-00
          250                  98  7/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                   91.42500   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                   98.68750   30-Jun-00     6-Jul-00
       11,000                  98  3/4     30-Jun-00     6-Jul-00
        2,000                  95  5/16    30-Jun-00     6-Jul-00
          500                   96.40630   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          200                   92.32690   30-Jun-00     6-Jul-00
          100                  96  9/16    30-Jun-00     6-Jul-00
                    1,410       97.36380   30-Jun-00     6-Jul-00
          300                  97  9/16    30-Jun-00     6-Jul-00
        1,200                  93  3/4     30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
        1,000                  94  7/8     30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
        1,000                   99.00000   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          700                  93  7/8     30-Jun-00     6-Jul-00
          400                   93.68750   30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          500                   98.45750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  93  3/16    30-Jun-00     6-Jul-00
          500                   97.67890   30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
                    1,200       97.25030   30-Jun-00     6-Jul-00
           50                  97  3/4     30-Jun-00     6-Jul-00
          200                  97  3/4     30-Jun-00     6-Jul-00
          100                  95  7/16    30-Jun-00     6-Jul-00
        3,500                   97.69490   30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  90  1/4     30-Jun-00     6-Jul-00
        2,500                   97.67890   30-Jun-00     6-Jul-00
          400                  100.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          500                   98.46950   30-Jun-00     6-Jul-00
                    1,120       97.46880   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          700                   93.00000   30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          800                  98  1/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          400                   96.63610   30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
          100                  95  1/8     30-Jun-00     6-Jul-00
        1,500                  96  1/8     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
                    8,000       93.38500   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
                      300     100  1/16    30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
          200                  97  2/4     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
        2,000                   96.40630   30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
                    3,500      96  2/4     30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
        1,200                  93  5/8     30-Jun-00     6-Jul-00
          800                  98  3/4     30-Jun-00     6-Jul-00
          300                   91.42500   30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
        1,000                  97  1/4     30-Jun-00     6-Jul-00
        1,300                  96  1/4     30-Jun-00     6-Jul-00
          100                  99  5/8     30-Jun-00     6-Jul-00
          200                  96  9/16    30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
          500                   94.74609   30-Jun-00     6-Jul-00
          300                  98  3/4     30-Jun-00     6-Jul-00
          400                  95  3/4     30-Jun-00     6-Jul-00
                      100       97.14150   30-Jun-00     6-Jul-00
           23                  93  1/4     30-Jun-00     6-Jul-00
        8,800                  97  7/16    30-Jun-00     6-Jul-00
          250                  93  1/8     30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
          600                  96  5/16    30-Jun-00     6-Jul-00
                      150      98  3/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          600                  93  3/4     30-Jun-00     6-Jul-00
          300                  99  5/16    30-Jun-00     6-Jul-00
                   12,800       97.07960   30-Jun-00     6-Jul-00
          200                  93  3/4     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          400                  97  7/16    30-Jun-00     6-Jul-00
                   89,900       97.06780   30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
                      300      98  5/16    30-Jun-00     6-Jul-00
                      300       97.33780   30-Jun-00     6-Jul-00
                    7,000       98.00000   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
        1,000                  97  1/4     30-Jun-00     6-Jul-00
                    3,600       97.06780   30-Jun-00     6-Jul-00
                      800       97.07960   30-Jun-00     6-Jul-00
          300                   99.81250   30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
                      100      99  2/4     30-Jun-00     6-Jul-00
       11,000                  96  5/16    30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
                    4,400       96.78780   30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
                   50,000       97.71090   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          300                   95.00000   30-Jun-00     6-Jul-00
                      500      98  3/8     30-Jun-00     6-Jul-00
                   25,000      95  1/16    30-Jun-00     6-Jul-00
          100                  96  9/16    30-Jun-00     6-Jul-00
        5,300                  97  7/16    30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
                      500      98  3/8     30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
          500                  93  3/4     30-Jun-00     6-Jul-00
          500                   97.69490   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,100                  97  9/16    30-Jun-00     6-Jul-00
          500                  98  7/8     30-Jun-00     6-Jul-00
          700                   96.40630   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
                      100     100  1/16    30-Jun-00     6-Jul-00
        1,000                   97.00000   30-Jun-00     6-Jul-00
          600                  96  5/16    30-Jun-00     6-Jul-00
          100                  93  5/8     30-Jun-00     6-Jul-00
           50                  100.00000   30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
          300                  96  5/16    30-Jun-00     6-Jul-00
                      500       98.00000   30-Jun-00     6-Jul-00
          300                  93  3/4     30-Jun-00     6-Jul-00
        9,000                  98  3/4     30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          300                   96.93750   30-Jun-00     6-Jul-00
          100                  98  7/16    30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          500                   94.10000   30-Jun-00     6-Jul-00
          800                  98  5/8     30-Jun-00     6-Jul-00
          200                  97  7/16    30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
                   41,900       97.33780   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
        2,200                  95  3/4     30-Jun-00     6-Jul-00
                    6,500       97.16550   30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          190                  95  3/4     30-Jun-00     6-Jul-00
                      700       97.25030   30-Jun-00     6-Jul-00
          600                  96  5/16    30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          200                  93  3/8     30-Jun-00     6-Jul-00
          100                  99  3/8     30-Jun-00     6-Jul-00
       10,000                  101.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
                      500       97.07960   30-Jun-00     6-Jul-00
          800                  94  7/8     30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
                    3,900       97.16550   30-Jun-00     6-Jul-00
        5,000                  93  2/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                    5,000       97.07960   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          400                  97  7/16    30-Jun-00     6-Jul-00
          200                  97  7/16    30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
          200                  95  3/16    30-Jun-00     6-Jul-00
          150                   97.54340   30-Jun-00     6-Jul-00
                    1,000       97.07960   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,200                  96  7/16    30-Jun-00     6-Jul-00
        6,700                   96.40630   30-Jun-00     6-Jul-00
           50                  100.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          600                  96  1/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                    2,000      98  3/8     30-Jun-00     6-Jul-00
          400                  97  3/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
                    5,500       94.69310   30-Jun-00     6-Jul-00
          700                  96  5/16    30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
          100                  93  5/16    30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
                      100       97.07960   30-Jun-00     6-Jul-00
          250                   98.00000   30-Jun-00     6-Jul-00
        5,000                   95.00000   30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          400                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  94  7/8     30-Jun-00     6-Jul-00
        1,000                  97  1/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
                   21,350       97.14150   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
                    9,940       95.21250   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          600                  98  3/4     30-Jun-00     6-Jul-00
          500                   95.00000   30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          100                   93.47500   30-Jun-00     6-Jul-00
                      200      98  2/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          100                   95.81250   30-Jun-00     6-Jul-00
          300                  93  1/8     30-Jun-00     6-Jul-00
                      900       97.36380   30-Jun-00     6-Jul-00
        4,500                   99.00000   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                 <C>        <C>         <C>         <C>
        1,000                  98  3/4     30-Jun-00     6-Jul-00
                    1,000      94  2/4     30-Jun-00     6-Jul-00
          100                  95  7/16    30-Jun-00     6-Jul-00
        6,000                  93  1/8     30-Jun-00     6-Jul-00
          400                   95.00000   30-Jun-00     6-Jul-00
        1,000                   98.00000   30-Jun-00     6-Jul-00
          100                  95  1/8     30-Jun-00     6-Jul-00
                      500      96  3/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        1,000                   93.00000   30-Jun-00     6-Jul-00
                      100      98  1/4     30-Jun-00     6-Jul-00
          200                  93  7/8     30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
           72                  99  5/16    30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
        1,000                  92  1/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          100                   97.54340   30-Jun-00     6-Jul-00
          400                  96  5/16    30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          100                   98.42500   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          450                  96  9/16    30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          211                   96.00000   30-Jun-00     6-Jul-00
       12,100                   97.00000   30-Jun-00     6-Jul-00
          400                  97  3/8     30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
        1,000                  98  1/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                   94.98438   30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
           50                   95.92760   30-Jun-00     6-Jul-00
          200                   96.93750   30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
        1,100                  93  5/16    30-Jun-00     6-Jul-00
        2,100                  97  3/4     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
          300                  95  2/4     30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          200                  95  2/4     30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          200                  99  5/16    30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          568                   99.68750   30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
        5,500                   97.67890   30-Jun-00     6-Jul-00
          600                   97.67890   30-Jun-00     6-Jul-00
                      400      96  2/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
                      500      98  3/8     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
        5,000                   98.03130   30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                 <C>        <C>         <C>         <C>
          700                  98  3/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
                    2,540       97.36380   30-Jun-00     6-Jul-00
        1,700                  93  1/8     30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
                    1,400       97.07960   30-Jun-00     6-Jul-00
        2,300                   97.67890   30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  96  3/8     30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
          500                  94  3/4     30-Jun-00     6-Jul-00
                   27,400       97.33780   30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
       15,000                  98  1/8     30-Jun-00     6-Jul-00
       17,600                   96.42370   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
           50                  96  7/8     30-Jun-00     6-Jul-00
          400                  96  1/8     30-Jun-00     6-Jul-00
          512                  90  1/4     30-Jun-00     6-Jul-00
        2,700                   97.34720   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          170                  98  1/4     30-Jun-00     6-Jul-00
           30                   97.22830   30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          590                   99.68750   30-Jun-00     6-Jul-00
        2,000                  98  5/8     30-Jun-00     6-Jul-00
          100                  100.00000   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
                    5,000       99.28130   30-Jun-00     6-Jul-00
          150                   98.00000   30-Jun-00     6-Jul-00
          800                  96  7/16    30-Jun-00     6-Jul-00
        9,930                   97.22830   30-Jun-00     6-Jul-00
           50                  97  7/8     30-Jun-00     6-Jul-00
          200                  93  3/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
        2,400                   98.46950   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      300       95.00000   30-Jun-00     6-Jul-00
       50,000                  93  1/4     30-Jun-00     6-Jul-00
          200                  99  1/4     30-Jun-00     6-Jul-00
          100                   98.68750   30-Jun-00     6-Jul-00
        2,000                   97.00000   30-Jun-00     6-Jul-00
          100                   93.68750   30-Jun-00     6-Jul-00
          300                   95.00000   30-Jun-00     6-Jul-00
                      200      96  7/8     30-Jun-00     6-Jul-00
                      200       96.93750   30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
                      100       99.68750   30-Jun-00     6-Jul-00
          100                   98.68750   30-Jun-00     6-Jul-00
          200                  90  1/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  95  3/16    30-Jun-00     6-Jul-00
                      300      96  2/4     30-Jun-00     6-Jul-00
        1,100                  99  3/4     30-Jun-00     6-Jul-00
          200                  97  3/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases     Sales        Price    Trade Date   Settlement Date
--------------------------------------------------------------------------------
                   21,900       97.25030   30-Jun-00     6-Jul-00
        7,900                   97.67890   30-Jun-00     6-Jul-00
          400                   95.00000   30-Jun-00     6-Jul-00
          190                  96  1/4     30-Jun-00     6-Jul-00
          125                   97.54340   30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
                   17,600       96.78780   30-Jun-00     6-Jul-00
          940                  95  2/4     30-Jun-00     6-Jul-00
          200                  99  3/8     30-Jun-00     6-Jul-00
          800                   97.67890   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
           50                  96  7/8     30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
          500                   95.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
                      400       94.60500   30-Jun-00     6-Jul-00
                       75       97.46880   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
        3,200                  98  7/8     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
                      100      96  2/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
        1,000                   98.13000   30-Jun-00     6-Jul-00
                    2,200       95.17930   30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
           50                   98.97170   30-Jun-00     6-Jul-00
           50                   93.47500   30-Jun-00     6-Jul-00
          900                  98  7/8     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
       10,000                   93.00000   30-Jun-00     6-Jul-00
          100                   98.45750   30-Jun-00     6-Jul-00
          310                  98  3/16    30-Jun-00     6-Jul-00
        3,000                  95  3/4     30-Jun-00     6-Jul-00
        1,000                  93  1/4     30-Jun-00     6-Jul-00
          800                  96  1/4     30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          700                  93  1/8     30-Jun-00     6-Jul-00
          250                   92.32690   30-Jun-00     6-Jul-00
                    1,100     100  1/16    30-Jun-00     6-Jul-00
          500                  98  1/8     30-Jun-00     6-Jul-00
          400                  97  9/16    30-Jun-00     6-Jul-00
          900                  98  2/4     30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
                      200      98  1/16    30-Jun-00     6-Jul-00
        1,500                  93  1/8     30-Jun-00     6-Jul-00
          400                  97  9/16    30-Jun-00     6-Jul-00
          110                  98  3/16    30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
                    1,200       97.07960   30-Jun-00     6-Jul-00
          100                  93  7/8     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases     Sales        Price    Trade Date   Settlement Date
--------------------------------------------------------------------------------
                      100       97.00000   30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
        5,000                  96  1/4     30-Jun-00     6-Jul-00
          350                   96.81250   30-Jun-00     6-Jul-00
          500                   98.45750   30-Jun-00     6-Jul-00
           50                  96  1/4     30-Jun-00     6-Jul-00
          200                   93.47500   30-Jun-00     6-Jul-00
                    2,000      96  2/4     30-Jun-00     6-Jul-00
       25,000                  94  7/8     30-Jun-00     6-Jul-00
        1,000                   96.00000   30-Jun-00     6-Jul-00
          400                  97  3/8     30-Jun-00     6-Jul-00
        1,200                  93  2/4     30-Jun-00     6-Jul-00
          918                   96.63990   30-Jun-00     6-Jul-00
          500                   98.68750   30-Jun-00     6-Jul-00
        1,200                   99.68750   30-Jun-00     6-Jul-00
                    1,500       97.20475   30-Jun-00     6-Jul-00
          125                   97.54340   30-Jun-00     6-Jul-00
          500                   95.92760   30-Jun-00     6-Jul-00
        2,600                   97.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          500                   99.00000   30-Jun-00     6-Jul-00
                    1,100       97.25030   30-Jun-00     6-Jul-00
        2,000                   97.69490   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          600                   97.67890   30-Jun-00     6-Jul-00
        1,200                   97.54340   30-Jun-00     6-Jul-00
        1,400                   99.68750   30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
        1,700                 100  3/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      200      98  1/16    30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
        1,180                  100.00000   30-Jun-00     6-Jul-00
                      200      96  2/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
        5,900                   97.67890   30-Jun-00     6-Jul-00
          400                   95.62880   30-Jun-00     6-Jul-00
          390                  95  2/4     30-Jun-00     6-Jul-00
        1,000                  95  3/4     30-Jun-00     6-Jul-00
           50                  98  7/8     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
                    1,120       97.36380   30-Jun-00     6-Jul-00
        4,000                  94  7/8     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
        1,710                  100.00000   30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
        2,800                  96  9/16    30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          400                  96  7/16    30-Jun-00     6-Jul-00
        1,606                  93  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
                   23,850       97.07630   30-Jun-00     6-Jul-00
        2,500                   96.63610   30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
          522                  98  1/4     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases     Sales        Price    Trade Date   Settlement Date
--------------------------------------------------------------------------------
          200                  98  1/4     30-Jun-00     6-Jul-00
          700                   98.46950   30-Jun-00     6-Jul-00
          800                   95.00000   30-Jun-00     6-Jul-00
                   21,300       96.87980   30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
           80                  96  1/4     30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          800                  96  7/16    30-Jun-00     6-Jul-00
          739                   96.63990   30-Jun-00     6-Jul-00
                      100       97.07960   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
       15,000                   98.46950   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
        1,500                   96.63610   30-Jun-00     6-Jul-00
        2,000                   96.00000   30-Jun-00     6-Jul-00
          400                   96.81250   30-Jun-00     6-Jul-00
          100                  93  7/8     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
                   48,225       97.46880   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
        4,000                   95.92760   30-Jun-00     6-Jul-00
          250                   92.32690   30-Jun-00     6-Jul-00
        3,300                   97.67890   30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
                   15,600       96.90540   30-Jun-00     6-Jul-00
        2,000                  98  5/8     30-Jun-00     6-Jul-00
        1,100                   99.68750   30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
                      200       96.93750   30-Jun-00     6-Jul-00
          100                   95.92760   30-Jun-00     6-Jul-00
        1,900                  96  9/16    30-Jun-00     6-Jul-00
        1,150                  98  1/4     30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          100                 100  2/4     30-Jun-00     6-Jul-00
          250                   97.00000   30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
        2,500                  96  1/4     30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
                      900       97.25030   30-Jun-00     6-Jul-00
                    2,500      97  3/8     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
          300                  93  1/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
                    5,700      98  3/8     30-Jun-00     6-Jul-00
                    1,000      96  2/4     30-Jun-00     6-Jul-00
                      500      96  3/8     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
                    1,000      96  2/4     30-Jun-00     6-Jul-00
          500                   96.14063   30-Jun-00     6-Jul-00
                      100      96  7/8     30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
                      200       97.07960   30-Jun-00     6-Jul-00
        2,500                   99.68750   30-Jun-00     6-Jul-00
                      200       97.16550   30-Jun-00     6-Jul-00
          500                  97  2/4     30-Jun-00     6-Jul-00
                      150       97.36380   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases     Sales        Price    Trade Date   Settlement Date
--------------------------------------------------------------------------------
          200                   99.68750   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        3,600                  96  1/4     30-Jun-00     6-Jul-00
          100                 100  2/4     30-Jun-00     6-Jul-00
       21,300                  97  2/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          400                  94  1/4     30-Jun-00     6-Jul-00
          700                  97  1/4     30-Jun-00     6-Jul-00
        2,000                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
       11,400                   97.67890   30-Jun-00     6-Jul-00
          200                  93  3/4     30-Jun-00     6-Jul-00
           50                  97  7/8     30-Jun-00     6-Jul-00
          200                  95  3/16    30-Jun-00     6-Jul-00
                      400      99  9/16    30-Jun-00     6-Jul-00
          300                  98  3/4     30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
        1,974                  93  1/4     30-Jun-00     6-Jul-00
          600                  97  1/4     30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        1,700                  96  1/4     30-Jun-00     6-Jul-00
          150                   98.00000   30-Jun-00     6-Jul-00
          400                  93  3/4     30-Jun-00     6-Jul-00
        2,200                   97.69490   30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
           50                  97  7/8     30-Jun-00     6-Jul-00
        1,000                  97  7/8     30-Jun-00     6-Jul-00
        3,200                 100  1/16    30-Jun-00     6-Jul-00
        1,000                  97  3/8     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
          500                   95.00000   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
        2,000                   95.00000   30-Jun-00     6-Jul-00
                      200       99.00000   30-Jun-00     6-Jul-00
        1,000                  93  1/4     30-Jun-00     6-Jul-00
                    3,100       97.24360   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        2,000                   94.98438   30-Jun-00     6-Jul-00
          400                 100  5/16    30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
                      200       97.16550   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
          760                  93  3/4     30-Jun-00     6-Jul-00
        1,500                   95.00000   30-Jun-00     6-Jul-00
          300                   96.40630   30-Jun-00     6-Jul-00
          800                   97.07813   30-Jun-00     6-Jul-00
                    4,600       97.25030   30-Jun-00     6-Jul-00
        1,100                  97  7/16    30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          400                  97  7/16    30-Jun-00     6-Jul-00
          100                   95.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,600                  96  5/16    30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
                      100      96  7/8     30-Jun-00     6-Jul-00
          900                   95.92760   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases     Sales        Price    Trade Date   Settlement Date
--------------------------------------------------------------------------------
          200                  97  3/8     30-Jun-00     6-Jul-00
        1,000                  94  7/8     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
        1,500                  97  9/16    30-Jun-00     6-Jul-00
        2,000                  94  1/16    30-Jun-00     6-Jul-00
        1,400                   97.69490   30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          985                  94  7/8     30-Jun-00     6-Jul-00
        2,800                  98  1/4     30-Jun-00     6-Jul-00
          500                  97  7/16    30-Jun-00     6-Jul-00
          200                  97  1/8     30-Jun-00     6-Jul-00
                   10,000      97  2/4     30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
           50                   95.92760   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
                   13,900       97.25030   30-Jun-00     6-Jul-00
                    5,400       95.38890   30-Jun-00     6-Jul-00
        2,000                  98  1/4     30-Jun-00     6-Jul-00
                    1,500       97.07960   30-Jun-00     6-Jul-00
        5,000                  93  1/4     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
                      100      98  3/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          700                   99.68750   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
                    5,400       99.00000   30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
                       60       95.21250   30-Jun-00     6-Jul-00
          100                   91.42500   30-Jun-00     6-Jul-00
          200                   97.69490   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
                      230       97.46880   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
        3,500                  98  3/4     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          600                  97  3/8     30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
          200                  99  3/4     30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
        1,200                   96.32890   30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
          600                  96  7/16    30-Jun-00     6-Jul-00
          100                  97  3/4     30-Jun-00     6-Jul-00
          300                   97.00000   30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
        2,000                  96  5/16    30-Jun-00     6-Jul-00
                      100     100  1/8     30-Jun-00     6-Jul-00
          500                  98  1/8     30-Jun-00     6-Jul-00
        3,000                  97  9/16    30-Jun-00     6-Jul-00
                       15      99  2/4     30-Jun-00     6-Jul-00
          225                   98.00000   30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
        8,000                  96  1/4     30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          700                  93  3/4     30-Jun-00     6-Jul-00
        2,200                   96.40630   30-Jun-00     6-Jul-00
        1,000                  97  9/16    30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          200                  97  1/8     30-Jun-00     6-Jul-00
        1,800                  93  1/4     30-Jun-00     6-Jul-00
          200                  93  2/4     30-Jun-00     6-Jul-00
        1,700                  95  2/4     30-Jun-00     6-Jul-00
                    4,500       97.25030   30-Jun-00     6-Jul-00
                      900       96.87980   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
                    2,000       95.00000   30-Jun-00     6-Jul-00
          200                  94  5/8     30-Jun-00     6-Jul-00
        5,700                   99.81250   30-Jun-00     6-Jul-00
        1,600                  98  1/8     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
                    1,000      97  3/8     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
           50                  100.00000   30-Jun-00     6-Jul-00
        1,500                  98  1/4     30-Jun-00     6-Jul-00
                      500      98  7/16    30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
        2,000                  93  1/8     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
                      340       97.46880   30-Jun-00     6-Jul-00
        1,900                  97  1/8     30-Jun-00     6-Jul-00
                      200       97.00000   30-Jun-00     6-Jul-00
          200                   98.00000   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
          400                   95.62880   30-Jun-00     6-Jul-00
                    8,300      97  3/4     30-Jun-00     6-Jul-00
        1,600                  94  7/8     30-Jun-00     6-Jul-00
                       95       97.46880   30-Jun-00     6-Jul-00
          900                   97.67890   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      400       97.07960   30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
       10,000                   95.00000   30-Jun-00     6-Jul-00
                      200       97.00000   30-Jun-00     6-Jul-00
        6,600                   98.45313   30-Jun-00     6-Jul-00
          300                   98.68750   30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
                    1,000      98  3/8     30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
          500                   93.00000   30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
        1,100                  94  7/8     30-Jun-00     6-Jul-00
        1,000                  97  3/4     30-Jun-00     6-Jul-00
          100                  95  3/4     30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
          500                  98  1/8     30-Jun-00     6-Jul-00
                      700       97.25030   30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.54340   30-Jun-00     6-Jul-00
          300                   92.32690   30-Jun-00     6-Jul-00
          180                   93.00000   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          100                  97  9/16    30-Jun-00     6-Jul-00
          100                 100  2/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          800                   97.69490   30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
                    1,000      99  1/4     30-Jun-00     6-Jul-00
        1,200                   97.69490   30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
        4,500                  96  1/4     30-Jun-00     6-Jul-00
                   10,000       97.27810   30-Jun-00     6-Jul-00
          200                  95  7/16    30-Jun-00     6-Jul-00
          100                  95  3/16    30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          100                  98  7/8     30-Jun-00     6-Jul-00
        5,000                   96.42370   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          100                  93  5/8     30-Jun-00     6-Jul-00
          590                   96.00000   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
                    1,000       95.66250   30-Jun-00     6-Jul-00
        5,000                   95.20313   30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          700                   99.68750   30-Jun-00     6-Jul-00
        3,500                  98  1/4     30-Jun-00     6-Jul-00
                   14,400       96.90540   30-Jun-00     6-Jul-00
          300                   97.00000   30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          300                  98  1/8     30-Jun-00     6-Jul-00
           45                  96  5/16    30-Jun-00     6-Jul-00
        1,100                  94  7/8     30-Jun-00     6-Jul-00
                    1,500      98  3/8     30-Jun-00     6-Jul-00
          200                  95  7/16    30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
                    1,000       95.35000   30-Jun-00     6-Jul-00
          300                   97.69490   30-Jun-00     6-Jul-00
          300                  96  1/8     30-Jun-00     6-Jul-00
          500                   98.68750   30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
                    3,145       97.46880   30-Jun-00     6-Jul-00
          900                  99  5/8     30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          500                  98  1/8     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          390                  93  5/16    30-Jun-00     6-Jul-00
        1,000                  95  7/16    30-Jun-00     6-Jul-00
          100                   96.00000   30-Jun-00     6-Jul-00
        1,000                  98  1/4     30-Jun-00     6-Jul-00
          600                  96  5/16    30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          200                  97  7/16    30-Jun-00     6-Jul-00
                      135       97.46880   30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
                    6,200       97.07960   30-Jun-00     6-Jul-00
        7,800                   97.67890   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          400                  97  3/4     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          300                   96.63610   30-Jun-00     6-Jul-00
                      200      98  1/8     30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
                   11,300       95.39160   30-Jun-00     6-Jul-00
          200                   92.32690   30-Jun-00     6-Jul-00
          600                   99.81250   30-Jun-00     6-Jul-00
          500                  98  5/8     30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          700                   97.69490   30-Jun-00     6-Jul-00
          100                  94  5/8     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
                    1,500       93.80950   30-Jun-00     6-Jul-00
          250                   98.88500   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          100                  93  3/16    30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
           19                  93  1/4     30-Jun-00     6-Jul-00
          200                   98.68750   30-Jun-00     6-Jul-00
          500                  96  5/16    30-Jun-00     6-Jul-00
        1,000                  93  3/4     30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          300                  100.00000   30-Jun-00     6-Jul-00
       17,500                   98.46950   30-Jun-00     6-Jul-00
        2,800                 100  3/8     30-Jun-00     6-Jul-00
        2,000                  97  9/16    30-Jun-00     6-Jul-00
                      200      98  1/16    30-Jun-00     6-Jul-00
          900                   95.00000   30-Jun-00     6-Jul-00
          400                  97  9/16    30-Jun-00     6-Jul-00
          700                   97.67890   30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
                    8,600       97.33780   30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
        3,000                   97.67890   30-Jun-00     6-Jul-00
           50                   93.47500   30-Jun-00     6-Jul-00
        1,000                  93  3/4     30-Jun-00     6-Jul-00
          320                   96.00000   30-Jun-00     6-Jul-00
        2,400                  96  9/16    30-Jun-00     6-Jul-00
                   56,500       97.03020   30-Jun-00     6-Jul-00
        1,500                   97.72262   30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
       53,500                   97.59350   30-Jun-00     6-Jul-00
       11,000                  98  3/4     30-Jun-00     6-Jul-00
        7,500                  92  2/4     30-Jun-00     6-Jul-00
        2,100                  96  9/16    30-Jun-00     6-Jul-00
          100                   96.68750   30-Jun-00     6-Jul-00
        1,500                   97.22830   30-Jun-00     6-Jul-00
        3,000                  96  1/4     30-Jun-00     6-Jul-00
        2,500                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  97  9/16    30-Jun-00     6-Jul-00
        3,000                  95  3/4     30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                    1,000      94  2/4     30-Jun-00     6-Jul-00
          720                  96  2/4     30-Jun-00     6-Jul-00
          200                  93  3/4     30-Jun-00     6-Jul-00
          700                  96  5/16    30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          225                   98.00000   30-Jun-00     6-Jul-00
          800                  96  5/16    30-Jun-00     6-Jul-00
       16,300                  97  3/4     30-Jun-00     6-Jul-00
          300                  93  1/8     30-Jun-00     6-Jul-00
          700                  98  7/8     30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  94  3/4     30-Jun-00     6-Jul-00
                       10      96  3/8     30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,246                   96.63990   30-Jun-00     6-Jul-00
       13,000                   97.62920   30-Jun-00     6-Jul-00
          100                   96.32890   30-Jun-00     6-Jul-00
       59,300                   97.69490   30-Jun-00     6-Jul-00
          500                  94  7/16    30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          150                   99.81250   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
                   10,000      98  3/8     30-Jun-00     6-Jul-00
          400                  96  7/16    30-Jun-00     6-Jul-00
        1,000                   96.00000   30-Jun-00     6-Jul-00
           50                  97  7/8     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
        7,500                   93.85000   30-Jun-00     6-Jul-00
        2,000                  98  5/8     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
                    5,500      96  2/4     30-Jun-00     6-Jul-00
           50                   97.54340   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
                    1,600       97.25030   30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
          900                  100.00000   30-Jun-00     6-Jul-00
          100                   99.68750   30-Jun-00     6-Jul-00
          500                  98  5/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
       15,000                  96  1/4     30-Jun-00     6-Jul-00
          200                  99  1/4     30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
          800                  96  7/16    30-Jun-00     6-Jul-00
          100                   99.68750   30-Jun-00     6-Jul-00
          500                   99.00000   30-Jun-00     6-Jul-00
                   25,500       97.25030   30-Jun-00     6-Jul-00
          500                  100.00000   30-Jun-00     6-Jul-00
          400                  93  3/4     30-Jun-00     6-Jul-00
                      700       97.25030   30-Jun-00     6-Jul-00
        1,000                  98  1/4     30-Jun-00     6-Jul-00
                      400      97  2/4     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                      300      98  3/8     30-Jun-00     6-Jul-00
          500                  93  3/16    30-Jun-00     6-Jul-00
        1,000                   99.00000   30-Jun-00     6-Jul-00
                    1,600       96.31490   30-Jun-00     6-Jul-00
          200                  97  9/16    30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
        2,400                  97  9/16    30-Jun-00     6-Jul-00
          400                  98  3/4     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
                      500      95  3/4     30-Jun-00     6-Jul-00
        1,150                   97.54340   30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          500                  96  5/16    30-Jun-00     6-Jul-00
        2,100                   97.67890   30-Jun-00     6-Jul-00
                    1,700      96  2/4     30-Jun-00     6-Jul-00
          650                   97.54340   30-Jun-00     6-Jul-00
          100                   93.47500   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
        1,000                  98  1/4     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          500                   98.68750   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        3,000                  97  1/4     30-Jun-00     6-Jul-00
          900                   96.40630   30-Jun-00     6-Jul-00
          500                  98  7/8     30-Jun-00     6-Jul-00
          600                   96.00000   30-Jun-00     6-Jul-00
          699                   95.00000   30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
        1,260                  100.00000   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
                   13,655       97.46880   30-Jun-00     6-Jul-00
        7,600                  96  1/4     30-Jun-00     6-Jul-00
          900                  98  1/4     30-Jun-00     6-Jul-00
        3,400                   97.67890   30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
          300                  98  1/4     30-Jun-00     6-Jul-00
        1,000                  97  1/4     30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
        1,000                  97  9/16    30-Jun-00     6-Jul-00
          600                  96  1/8     30-Jun-00     6-Jul-00
           50                  96  9/16    30-Jun-00     6-Jul-00
          100                   98.00000   30-Jun-00     6-Jul-00
        1,000                  93  3/4     30-Jun-00     6-Jul-00
          305                   96.00000   30-Jun-00     6-Jul-00
        4,600                   95.00000   30-Jun-00     6-Jul-00
                      800       97.25030   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
        5,000                  93  3/4     30-Jun-00     6-Jul-00
        1,000                  96  5/16    30-Jun-00     6-Jul-00
          100                  100.00000   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        2,000                  96  1/8     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          300                   97.54340   30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          400                  95  3/4     30-Jun-00     6-Jul-00
                    1,470       97.36380   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          500                   93.00000   30-Jun-00     6-Jul-00
          300                  91  5/16    30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
        1,000                  98  7/8     30-Jun-00     6-Jul-00
          100                  98  1/4     30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
                   29,200       97.24360   30-Jun-00     6-Jul-00
                    2,000      98  3/8     30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        2,500                   98.00000   30-Jun-00     6-Jul-00
          400                   95.00000   30-Jun-00     6-Jul-00
          100                  97 9/16     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
          100                  96  9/16    30-Jun-00     6-Jul-00
                    2,000      98  5/16    30-Jun-00     6-Jul-00
          800                   95.00000   30-Jun-00     6-Jul-00
          200                  96  1/4     30-Jun-00     6-Jul-00
          100                  95  1/8     30-Jun-00     6-Jul-00
        1,000                   93.00000   30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          300                   96.40630   30-Jun-00     6-Jul-00
          800                  98  1/8     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
        1,718                   96.63990   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
                   50,000       97.33630   30-Jun-00     6-Jul-00
                      100       97.19400   30-Jun-00     6-Jul-00
        1,000                   93.00000   30-Jun-00     6-Jul-00
        3,500                  97  3/8     30-Jun-00     6-Jul-00
                      100      98  1/16    30-Jun-00     6-Jul-00
                    6,300       97.25030   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          250                   98.97170   30-Jun-00     6-Jul-00
        1,500                   96.63610   30-Jun-00     6-Jul-00
          300                   98.00000   30-Jun-00     6-Jul-00
        1,000                   98.46950   30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
                    3,800       97.25030   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
          100                  96  1/8     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
        2,500                  98  2/4     30-Jun-00     6-Jul-00
          400                  93  1/8     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          300                  96  1/4     30-Jun-00     6-Jul-00
          100                  93  5/8     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        2,200                  97  5/16    30-Jun-00     6-Jul-00
        5,000                  96  9/16    30-Jun-00     6-Jul-00
          200                  95  2/4     30-Jun-00     6-Jul-00
          400                  93  5/16    30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          400                   99.81250   30-Jun-00     6-Jul-00
                      200      96  5/8     30-Jun-00     6-Jul-00
          200                  97  2/4     30-Jun-00     6-Jul-00
          900                  98  3/4     30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
                      100      98  3/8     30-Jun-00     6-Jul-00
        2,000                 100  3/8     30-Jun-00     6-Jul-00
          200                  98  1/8     30-Jun-00     6-Jul-00
        1,500                   99.68750   30-Jun-00     6-Jul-00
          100                  92  1/8     30-Jun-00     6-Jul-00
                      700      100.00000   30-Jun-00     6-Jul-00
          300                   91.42500   30-Jun-00     6-Jul-00
          400                  96  7/16    30-Jun-00     6-Jul-00
      100,000                   95.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          300                  99  1/4     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                   97.00000   30-Jun-00     6-Jul-00
          500                  93  2/4     30-Jun-00     6-Jul-00
        2,000                   99.68750   30-Jun-00     6-Jul-00
          500                   98.00000   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
                      300       97.25030   30-Jun-00     6-Jul-00
          100                   93.47500   30-Jun-00     6-Jul-00
          100                  100.00000   30-Jun-00     6-Jul-00
          500                  99.00000    30-Jun-00     6-Jul-00
          200                100   1/16    30-Jun-00     6-Jul-00
          100                 93   3/4     30-Jun-00     6-Jul-00
                    4,800      97.25030    30-Jun-00     6-Jul-00
          200                 96   7/16    30-Jun-00     6-Jul-00
          200                 98   3/4     30-Jun-00     6-Jul-00
          100                 96   1/4     30-Jun-00     6-Jul-00
          100                 96   9/16    30-Jun-00     6-Jul-00
          200                 97   9/16    30-Jun-00     6-Jul-00
          250                 93   7/8     30-Jun-00     6-Jul-00
          400                 97   1/4     30-Jun-00     6-Jul-00
                   13,600      97.25030    30-Jun-00     6-Jul-00
          200                 97   3/8     30-Jun-00     6-Jul-00
          500                 93   2/4     30-Jun-00     6-Jul-00
                   10,000     98   3/8     30-Jun-00     6-Jul-00
        1,000                 100.00000    30-Jun-00     6-Jul-00
                      200     96   3/8     30-Jun-00     6-Jul-00
          700                 96   7/8     30-Jun-00     6-Jul-00
          400                  98.93750    30-Jun-00     6-Jul-00
                      200      99.68750    30-Jun-00     6-Jul-00
        2,890                 96   1/4     30-Jun-00     6-Jul-00
          200                 97   9/16    30-Jun-00     6-Jul-00
        1,000                 97   1/4     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
           10                  96  1/4     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          150                   98.00000   30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
          600                  93  1/8     30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  98  7/8     30-Jun-00     6-Jul-00
                    7,000       96.91610   30-Jun-00     6-Jul-00
        1,200                  97  2/4     30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
          400                  96  5/16    30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          200                 100  2/4     30-Jun-00     6-Jul-00
          900                  94  1/4     30-Jun-00     6-Jul-00
                      500      98  3/8     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          600                  98  3/4     30-Jun-00     6-Jul-00
           25                   97.54340   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                   99. 81250  30-Jun-00     6-Jul-00
          200                   95. 00000  30-Jun-00     6-Jul-00
          100                   96. 00000  30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          100                  96  9/16    30-Jun-00     6-Jul-00
                      200     100  1/16    30-Jun-00     6-Jul-00
                      200      96  9/16    30-Jun-00     6-Jul-00
        1,000                  93  3/4     30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          500                  96  5/16    30-Jun-00     6-Jul-00
          400                   98.68750   30-Jun-00     6-Jul-00
          500                  99  1/8     30-Jun-00     6-Jul-00
          100                   93.00000   30-Jun-00     6-Jul-00
          500                  98  1/8     30-Jun-00     6-Jul-00
          700                  97  1/4     30-Jun-00     6-Jul-00
          400                 100  3/8     30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
                    1,200       97.25030   30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
          200                   95.62880   30-Jun-00     6-Jul-00
                      300       96.78780   30-Jun-00     6-Jul-00
                    5,000      97  3/8     30-Jun-00     6-Jul-00
          500                   93.48750   30-Jun-00     6-Jul-00
                  200,000       98.27180   30-Jun-00     6-Jul-00
        5,000                  97  7/16    30-Jun-00     6-Jul-00
          200                  97  1/8     30-Jun-00     6-Jul-00
          300                  98  7/8     30-Jun-00     6-Jul-00
          500                   98.68750   30-Jun-00     6-Jul-00
          100                   95.92760   30-Jun-00     6-Jul-00
          300                   96.00000   30-Jun-00     6-Jul-00
          600                  96 9/16     30-Jun-00     6-Jul-00
          200                   96.63610   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          200                  96  1/8     30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
          100                  98  3/4     30-Jun-00     6-Jul-00
                    4,500      95  1/16    30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
                      200       97.07960   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
          100                   93.00000   30-Jun-00     6-Jul-00
          200                  93  7/8     30-Jun-00     6-Jul-00
                    1,000      99  2/4     30-Jun-00     6-Jul-00
          100                  98  1/8     30-Jun-00     6-Jul-00
                      200      96  2/4     30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
                   10,000       95.21250   30-Jun-00     6-Jul-00
          500                  98  3/4     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          300                  97  7/16    30-Jun-00     6-Jul-00
                       65       97.46880   30-Jun-00     6-Jul-00
          900                   98.68750   30-Jun-00     6-Jul-00
        2,500                  96  1/8     30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
                   22,800       94.60750   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
                      400     100  1/16    30-Jun-00     6-Jul-00
          400                   96.00000   30-Jun-00     6-Jul-00
          100                   99.68750   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          500                   97.54340   30-Jun-00     6-Jul-00
                    4,000      99  2/4     30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
           20                  98  3/16    30-Jun-00     6-Jul-00
        2,000                  97  3/8     30-Jun-00     6-Jul-00
           25                   97.54340   30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
          100                   96.93750   30-Jun-00     6-Jul-00
        7,200                   99.16670   30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
          800                  99  3/4     30-Jun-00     6-Jul-00
                    1,000       93.35000   30-Jun-00     6-Jul-00
          100                  99  5/8     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          800                  97  3/4     30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
                    1,500       97.07960   30-Jun-00     6-Jul-00
          500                   98.68750   30-Jun-00     6-Jul-00
                  150,000       96.49450   30-Jun-00     6-Jul-00
        1,100                   99.68750   30-Jun-00     6-Jul-00
          300                   93.00000   30-Jun-00     6-Jul-00
        2,000                  93  1/8     30-Jun-00     6-Jul-00
          200                  97  9/16    30-Jun-00     6-Jul-00
           85                  95  2/4     30-Jun-00     6-Jul-00
        2,600                  96  1/4     30-Jun-00     6-Jul-00
          200                   93.68750   30-Jun-00     6-Jul-00
                   14,100       96.31490   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

      Purchases      Sales      Price     Trade Date   Settlement Date
--------------------------------------------------------------------------------
          400                  95  5/16    30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
          500                   97.54340   30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          100                  96  9/16    30-Jun-00     6-Jul-00
          100                  98  5/8     30-Jun-00     6-Jul-00
       11,300                   97.67890   30-Jun-00     6-Jul-00
          200                  95  7/16    30-Jun-00     6-Jul-00
                      200       97.07960   30-Jun-00     6-Jul-00
                    1,000       93.22500   30-Jun-00     6-Jul-00
        3,800                   97.67890   30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
          100                  94  7/8     30-Jun-00     6-Jul-00
           30                  98  3/16    30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          400                  96  7/16    30-Jun-00     6-Jul-00
        2,000                  96  7/16    30-Jun-00     6-Jul-00
                      300       97.16550   30-Jun-00     6-Jul-00
          400                  93  1/8     30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
        1,000                  95  3/4     30-Jun-00     6-Jul-00
                      500      95  3/4     30-Jun-00     6-Jul-00
          400                  96  7/16    30-Jun-00     6-Jul-00
          200                  94  3/8     30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
                      200      96  3/8     30-Jun-00     6-Jul-00
          500                  93  1/8     30-Jun-00     6-Jul-00
          500                  96  7/8     30-Jun-00     6-Jul-00
                    1,200       97.07960   30-Jun-00     6-Jul-00
        2,600                  93  3/4     30-Jun-00     6-Jul-00
          100                  93  3/16    30-Jun-00     6-Jul-00
                      100       97.07960   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
          300                  95  7/16    30-Jun-00     6-Jul-00
          400                  96  5/16    30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          500                   98.45750   30-Jun-00     6-Jul-00
                      800      97  5/8     30-Jun-00     6-Jul-00
                    1,340       97.46880   30-Jun-00     6-Jul-00
          100                   98.46950   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  96  1/8     30-Jun-00     6-Jul-00
          500                   96.00000   30-Jun-00     6-Jul-00
        1,000                  99  3/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          200                   98.00000   30-Jun-00     6-Jul-00
                      200      96  3/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
           25                   97.54340   30-Jun-00     6-Jul-00
                    1,000       97.07960   30-Jun-00     6-Jul-00
          300                  95  3/4     30-Jun-00     6-Jul-00
          800                   95.00000   30-Jun-00     6-Jul-00
           29                  93  1/4     30-Jun-00     6-Jul-00
          170                  98  1/4     30-Jun-00     6-Jul-00
                    3,200       97.07960   30-Jun-00     6-Jul-00
          200                  96  3/16    30-Jun-00     6-Jul-00
          600                  93  1/8     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

                      800       96.78780   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
        1,000                  96  1/4     30-Jun-00     6-Jul-00
        4,000                   95.44000   30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
                   15,000       96.13000   30-Jun-00     6-Jul-00
          300                  95  2/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          250                   96.44000   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
                    1,000      99  2/4     30-Jun-00     6-Jul-00
        1,620                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  96  7/16    30-Jun-00     6-Jul-00
                    4,000      99  2/4     30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
       10,000                   94.98438   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
        6,000                   96.00000   30-Jun-00     6-Jul-00
          900                  96  5/16    30-Jun-00     6-Jul-00
        5,000                   99.00000   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
       60,000                   96.68230   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          500                   97.00000   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
                    1,500       97.07960   30-Jun-00     6-Jul-00
       10,500                  96  1/4     30-Jun-00     6-Jul-00
        4,900                   97.67890   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          300                   96.63610   30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
          100                   99.00000   30-Jun-00     6-Jul-00
                      470       97.36380   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
                   16,400       97.25030   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
          500                  96  1/8     30-Jun-00     6-Jul-00
          300                   97.69490   30-Jun-00     6-Jul-00
          100                  99  3/4     30-Jun-00     6-Jul-00
          100                   97.15000   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          500                  96  1/8     30-Jun-00     6-Jul-00
                      400      98  3/8     30-Jun-00     6-Jul-00
          100                   99.81250   30-Jun-00     6-Jul-00
          100                  94  7/8     30-Jun-00     6-Jul-00
          300                   97.69490   30-Jun-00     6-Jul-00
          500                   99.68750   30-Jun-00     6-Jul-00
        2,500                  94  2/4     30-Jun-00     6-Jul-00
                    1,200       97.07960   30-Jun-00     6-Jul-00
        2,000                  93  1/8     30-Jun-00     6-Jul-00
       10,729                   96.63990   30-Jun-00     6-Jul-00
          100                  96  1/4     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
-------------------------------------------------------------------------------

          400                   97.67890   30-Jun-00     6-Jul-00
          100                   95.92760   30-Jun-00     6-Jul-00
                    7,700       97.25030   30-Jun-00     6-Jul-00
                    1,270       97.36380   30-Jun-00     6-Jul-00
          200                  98  7/8     30-Jun-00     6-Jul-00
        4,900                   97.54340   30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
        2,500                  96  7/8     30-Jun-00     6-Jul-00
       12,000                  94  1/4     30-Jun-00     6-Jul-00
        1,600                  95  3/4     30-Jun-00     6-Jul-00
          100                   95.45000   30-Jun-00     6-Jul-00
          200                  96  3/16    30-Jun-00     6-Jul-00
          200                  95  3/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
        2,000                  96  7/16    30-Jun-00     6-Jul-00
        5,500                  96  1/4     30-Jun-00     6-Jul-00
           25                  97  7/8     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          300                   92.32690   30-Jun-00     6-Jul-00
                    1,000      98  3/8     30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
          400                   96.00000   30-Jun-00     6-Jul-00
          400                  97  9/16    30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
          500                   97.69490   30-Jun-00     6-Jul-00
          100                  97  3/4     30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
          600                  96  5/16    30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
                      200       98.00000   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          900                  97  1/4     30-Jun-00     6-Jul-00
                       75      100 3/8     30-Jun-00     6-Jul-00
        2,000                  97  9/16    30-Jun-00     6-Jul-00
                      100       96.86670   30-Jun-00     6-Jul-00
          200                  100.00000   30-Jun-00     6-Jul-00
        1,750                   96.46430   30-Jun-00     6-Jul-00
          500                  93  3/4     30-Jun-00     6-Jul-00
          200                   96.81250   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          400                  96  9/16    30-Jun-00     6-Jul-00
          700                   97.67890   30-Jun-00     6-Jul-00
        1,200                  93  3/4     30-Jun-00     6-Jul-00
          100                  98  1/8     30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
                      100       94.60500   30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
                    1,050       97.14150   30-Jun-00     6-Jul-00
          100                  96  7/16    30-Jun-00     6-Jul-00
          200                  97  3/8     30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   97.00000   30-Jun-00     6-Jul-00
          200                  94  7/8     30-Jun-00     6-Jul-00
          100                   97.69490   30-Jun-00     6-Jul-00
                      100       99.68750   30-Jun-00     6-Jul-00
          500                   96.40630   30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          300                  93  1/8     30-Jun-00     6-Jul-00
       20,000                   99.00000   30-Jun-00     6-Jul-00
                      100      97  2/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
        1,100                   98.46950   30-Jun-00     6-Jul-00
          500                   99.68750   30-Jun-00     6-Jul-00
           50                   95.03130   30-Jun-00     6-Jul-00
          200                   94.85938   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
        2,100                  96  1/4     30-Jun-00     6-Jul-00
          200                   98.00000   30-Jun-00     6-Jul-00
          300                   96.93750   30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
        4,000                  93  3/4     30-Jun-00     6-Jul-00
          241                   96.63990   30-Jun-00     6-Jul-00
                      100       99.81250   30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          700                   96.40630   30-Jun-00     6-Jul-00
        1,000                  95  1/4     30-Jun-00     6-Jul-00
                      200      97  1/8     30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
          500                   98.68750   30-Jun-00     6-Jul-00
        7,200                   97.67890   30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          300                  96  1/4     30-Jun-00     6-Jul-00
           50                  96  7/8     30-Jun-00     6-Jul-00
          200                  93  7/8     30-Jun-00     6-Jul-00
          175                  95  3/4     30-Jun-00     6-Jul-00
          500                  98  1/4     30-Jun-00     6-Jul-00
        1,000                  98  5/8     30-Jun-00     6-Jul-00
        1,500                   97.67890   30-Jun-00     6-Jul-00
                      200      100 1/16    30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
        1,900                   97.67890   30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
          500                   99.81250   30-Jun-00     6-Jul-00
                   10,000       97.00000   30-Jun-00     6-Jul-00
          500                   94.00000   30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
        1,000                   93.00000   30-Jun-00     6-Jul-00
                      100       97.07960   30-Jun-00     6-Jul-00
                   10,000       96.74400   30-Jun-00     6-Jul-00
          550                  96  1/4     30-Jun-00     6-Jul-00
          500                  95  3/4     30-Jun-00     6-Jul-00
                      200      98  3/8     30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
           95                   96.00000   30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
        2,300                  98  5/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          300                  96  1/8     30-Jun-00     6-Jul-00
          200                  95  2/4     30-Jun-00     6-Jul-00
          800                  96  5/16    30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
        5,000                   99.81250   30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          500                  95 3/4      30-Jun-00     6-Jul-00
          500                   99.00000   30-Jun-00     6-Jul-00
        1,000                   98.68750   30-Jun-00     6-Jul-00
          200                  96 1/8      30-Jun-00     6-Jul-00
          300                   92.32690   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          500                  93 3/4      30-Jun-00     6-Jul-00
                      300      100 1/16    30-Jun-00     6-Jul-00
          700                   99.81250   30-Jun-00     6-Jul-00
          200                  98 3/4      30-Jun-00     6-Jul-00
        1,200                  96 1/4      30-Jun-00     6-Jul-00
          200                  98 3/8      30-Jun-00     6-Jul-00
          200                  96 1/8      30-Jun-00     6-Jul-00
          100                  97 9/16     30-Jun-00     6-Jul-00
          500                  98 1/4      30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
        1,000                  96 5/16     30-Jun-00     6-Jul-00
          750                  96 7/8      30-Jun-00     6-Jul-00
        1,500                  93 1/8      30-Jun-00     6-Jul-00
          100                  92 1/8      30-Jun-00     6-Jul-00
          200                  97 9/16     30-Jun-00     6-Jul-00
          100                  96 7/16     30-Jun-00     6-Jul-00
          300                   91.42500   30-Jun-00     6-Jul-00
           20                  96 1/4      30-Jun-00     6-Jul-00
                      600       97.16550   30-Jun-00     6-Jul-00
        7,500                   96.93750   30-Jun-00     6-Jul-00
          200                  96 5/16     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
        1,000                   99.81250   30-Jun-00     6-Jul-00
        1,200                   99.00000   30-Jun-00     6-Jul-00
          100                  99 3/4      30-Jun-00     6-Jul-00
        1,100                  93 3/4      30-Jun-00     6-Jul-00
          500                   97.67890   30-Jun-00     6-Jul-00
          200                  90 1/4      30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
                   25,000      97.72640    30-Jun-00     6-Jul-00
          500                  94 7/8      30-Jun-00     6-Jul-00
          200                   98.00000   30-Jun-00     6-Jul-00
          398                   96.00000   30-Jun-00     6-Jul-00
          800                   97.67890   30-Jun-00     6-Jul-00
          500                   93.68750   30-Jun-00     6-Jul-00
          600                  98 1/8      30-Jun-00     6-Jul-00
                      100      98 1/4      30-Jun-00     6-Jul-00
                    5,000      95 7/8      30-Jun-00     6-Jul-00
          200                  93 3/4      30-Jun-00     6-Jul-00
                   12,600       97.25030   30-Jun-00     6-Jul-00
          200                  96 1/8      30-Jun-00     6-Jul-00
           70                  98 1/4      30-Jun-00     6-Jul-00
          900                  96 5/16     30-Jun-00     6-Jul-00
          100                  97 7/16     30-Jun-00     6-Jul-00
          500                  98 1/4      30-Jun-00     6-Jul-00
          100                  100.00000   30-Jun-00     6-Jul-00
        1,000                  96 1/4      30-Jun-00     6-Jul-00
          100                  97 9/16     30-Jun-00     6-Jul-00
                   18,250       97.14150   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
        2,400                   96.40630   30-Jun-00     6-Jul-00
          500                  94 7/8      30-Jun-00     6-Jul-00
          100                  93 1/8      30-Jun-00     6-Jul-00
          100                   98.46950   30-Jun-00     6-Jul-00
          200                   98.00000   30-Jun-00     6-Jul-00

<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                 96  1/4     30-Jun-00     6-Jul-00
          800                 96  7/16    30-Jun-00     6-Jul-00
          100                 94  3/4     30-Jun-00     6-Jul-00
          100                 93  5/8     30-Jun-00     6-Jul-00
          200                  99.68750   30-Jun-00     6-Jul-00
                    3,000      97.25030   30-Jun-00     6-Jul-00
          800                 98  3/4     30-Jun-00     6-Jul-00
        1,000                 100.00000   30-Jun-00     6-Jul-00
                      900      97.25030   30-Jun-00     6-Jul-00
          200                 93  1/8     30-Jun-00     6-Jul-00
                   25,000      97.04000   30-Jun-00     6-Jul-00
           50                  95.92760   30-Jun-00     6-Jul-00
          100                  97.67890   30-Jun-00     6-Jul-00
                      500     98  3/8     30-Jun-00     6-Jul-00
                   10,000      96.68100   30-Jun-00     6-Jul-00
          100                 98  3/4     30-Jun-00     6-Jul-00
          100                  97.67890   30-Jun-00     6-Jul-00
                      360      97.36380   30-Jun-00     6-Jul-00
          100                  97.67890   30-Jun-00     6-Jul-00
          100                  97 7/16    30-Jun-00     6-Jul-00
        3,200                  99.00000   30-Jun-00     6-Jul-00
        1,000                  99.81250   30-Jun-00     6-Jul-00
          500                 96  1/4     30-Jun-00     6-Jul-00
          900                 97  3/8     30-Jun-00     6-Jul-00
        4,000                 94  7/8     30-Jun-00     6-Jul-00
          100                 93  1/8     30-Jun-00     6-Jul-00
          200                 98  3/4     30-Jun-00     6-Jul-00
          200                 98  1/8     30-Jun-00     6-Jul-00
          200                 96  5/16    30-Jun-00     6-Jul-00
        8,300                 97  9/16    30-Jun-00     6-Jul-00
          200                 95  3/4     30-Jun-00     6-Jul-00
        7,000                 97  7/16    30-Jun-00     6-Jul-00
          200                  96.00000   30-Jun-00     6-Jul-00
          200                  96.63610   30-Jun-00     6-Jul-00
          225                  98.00000   30-Jun-00     6-Jul-00
          200                 94  7/8     30-Jun-00     6-Jul-00
          600                 93  5/8     30-Jun-00     6-Jul-00
          200                 97  5/16    30-Jun-00     6-Jul-00
                    1,000     96  1/4     30-Jun-00     6-Jul-00
          150                  98.00000   30-Jun-00     6-Jul-00
        1,000                  99.00000   30-Jun-00     6-Jul-00
        1,000                 95  3/4     30-Jun-00     6-Jul-00
       50,000                 97  5/8     30-Jun-00     6-Jul-00
                    1,000     100.07000   30-Jun-00     6-Jul-00
          200                 98  1/8     30-Jun-00     6-Jul-00
          350                  99.81250   30-Jun-00     6-Jul-00
          200                 93  1/8     30-Jun-00     6-Jul-00
                      110      97.46880   30-Jun-00     6-Jul-00
        1,000                  93.00000   30-Jun-00     6-Jul-00
        2,000                 97  9/16    30-Jun-00     6-Jul-00
        2,500                  99.68750   30-Jun-00     6-Jul-00
                  200,000      97.09930   30-Jun-00     6-Jul-00
          500                 100.00000   30-Jun-00     6-Jul-00
          100                 97  9/16    30-Jun-00     6-Jul-00
       12,000                  97.54340   30-Jun-00     6-Jul-00
          300                  99.00000   30-Jun-00     6-Jul-00
          300                 96  9/16    30-Jun-00     6-Jul-00
                      200      99.00000   30-Jun-00     6-Jul-00
          200                 96  3/16    30-Jun-00     6-Jul-00
          200                 98  3/4     30-Jun-00     6-Jul-00
        1,000                 97  2/4     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
        2,500                  93  2/4     30-Jun-00       6-Jul-00
           50                   97.54340   30-Jun-00       6-Jul-00
          200                   95.60000   30-Jun-00       6-Jul-00
          700                   99.68750   30-Jun-00       6-Jul-00
          100                   96.63610   30-Jun-00       6-Jul-00
          200                  96  5/16    30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
           50                  96  5/16    30-Jun-00       6-Jul-00
          250                   95.92760   30-Jun-00       6-Jul-00
          100                   98.68750   30-Jun-00       6-Jul-00
          300                   98.68750   30-Jun-00       6-Jul-00
          100                  99  5/8     30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
          200                  93  5/16    30-Jun-00       6-Jul-00
          200                  93  1/8     30-Jun-00       6-Jul-00
        1,000                  97  1/8     30-Jun-00       6-Jul-00
          700                   99.00000   30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
          100                  96  5/16    30-Jun-00       6-Jul-00
                    1,000      96  5/8     30-Jun-00       6-Jul-00
        2,100                  93  3/4     30-Jun-00       6-Jul-00
        1,200                  94  7/8     30-Jun-00       6-Jul-00
          600                   97.15000   30-Jun-00       6-Jul-00
          600                   98.46950   30-Jun-00       6-Jul-00
           50                   98.97170   30-Jun-00       6-Jul-00
        2,500                   97.55000   30-Jun-00       6-Jul-00
                    1,000       97.25030   30-Jun-00       6-Jul-00
           20                  96  1/4     30-Jun-00       6-Jul-00
        1,900                  97  1/8     30-Jun-00       6-Jul-00
          200                  96  5/16    30-Jun-00       6-Jul-00
          200                  98  1/4     30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
          600                   99.81250   30-Jun-00       6-Jul-00
          500                  96  1/4     30-Jun-00       6-Jul-00
          100                  92  1/8     30-Jun-00       6-Jul-00
                   25,000       97.21700   30-Jun-00       6-Jul-00
          500                  93  1/8     30-Jun-00       6-Jul-00
        1,000                  98  7/8     30-Jun-00       6-Jul-00
          100                   97.00000   30-Jun-00       6-Jul-00
                    2,700      96  5/8     30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
        1,000                  96  1/4     30-Jun-00       6-Jul-00
          246                   96.63990   30-Jun-00       6-Jul-00
                       70       97.46880   30-Jun-00       6-Jul-00
                    1,000       90.85000   30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
        5,000                  96  1/8     30-Jun-00       6-Jul-00
        1,000                  96  1/4     30-Jun-00       6-Jul-00
          200                   97.67890   30-Jun-00       6-Jul-00
          700                  98  7/8     30-Jun-00       6-Jul-00
          200                   99.68750   30-Jun-00       6-Jul-00
          700                  98  1/4     30-Jun-00       6-Jul-00
        5,000                  94  7/8     30-Jun-00       6-Jul-00
          200                  96  7/16    30-Jun-00       6-Jul-00
                      800       95.55770   30-Jun-00       6-Jul-00
          182                   92.81250   30-Jun-00       6-Jul-00
                       75       97.46880   30-Jun-00       6-Jul-00
        1,000                  100.00000   30-Jun-00       6-Jul-00
          100                  93  1/8     30-Jun-00       6-Jul-00
          100                   91.42500   30-Jun-00       6-Jul-00
                      285       97.46880   30-Jun-00       6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>        <C>          <C>         <C>
                      300       97.07960   30-Jun-00       6-Jul-00
        3,300                   97.67890   30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
                      200       99.81250   30-Jun-00       6-Jul-00
        2,200                  96  2/4     30-Jun-00       6-Jul-00
          200                  96  5/16    30-Jun-00       6-Jul-00
          200                  96  5/16    30-Jun-00       6-Jul-00
                      300       97.07960   30-Jun-00       6-Jul-00
        1,000                  98  1/4     30-Jun-00       6-Jul-00
          500                  98  1/8     30-Jun-00       6-Jul-00
                    1,300       96.87980   30-Jun-00       6-Jul-00
                    6,500       95.54630   30-Jun-00       6-Jul-00
          100                 100  2/4     30-Jun-00       6-Jul-00
                    2,000      97  5/8     30-Jun-00       6-Jul-00
          200                  98  3/4     30-Jun-00       6-Jul-00
                      200      99  2/4     30-Jun-00       6-Jul-00
          100                  93  1/8     30-Jun-00       6-Jul-00
                   25,000       97.04750   30-Jun-00       6-Jul-00
          100                  96  1/4     30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
           10                  96  1/4     30-Jun-00       6-Jul-00
                    1,000       92.35000   30-Jun-00       6-Jul-00
        5,200                   97.69490   30-Jun-00       6-Jul-00
                      600       97.36380   30-Jun-00       6-Jul-00
                      265       97.46880   30-Jun-00       6-Jul-00
          500                  100.00000   30-Jun-00       6-Jul-00
                      100       97.36380   30-Jun-00       6-Jul-00
          100                   96.00000   30-Jun-00       6-Jul-00
                      500       95.95000   30-Jun-00       6-Jul-00
          200                   98.68750   30-Jun-00       6-Jul-00
          500                   97.67890   30-Jun-00       6-Jul-00
          100                   97.69490   30-Jun-00       6-Jul-00
          400                  93  3/4     30-Jun-00       6-Jul-00
          100                  97  1/8     30-Jun-00       6-Jul-00
        1,900                  98  5/8     30-Jun-00       6-Jul-00
       11,000                  97  1/4     30-Jun-00       6-Jul-00
           20                  96  1/4     30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
          500                  96  1/4     30-Jun-00       6-Jul-00
          100                  95  3/16    30-Jun-00       6-Jul-00
        2,000                  93  1/8     30-Jun-00       6-Jul-00
                    2,100       97.07960   30-Jun-00       6-Jul-00
          100                  98  1/4     30-Jun-00       6-Jul-00
        2,600                   96.93750   30-Jun-00       6-Jul-00
          610                   99.81250   30-Jun-00       6-Jul-00
        2,500                   99.00000   30-Jun-00       6-Jul-00
          200                   96.00000   30-Jun-00       6-Jul-00
          100                   94.00000   30-Jun-00       6-Jul-00
       12,500                   96.90000   30-Jun-00       6-Jul-00
          100                  97  7/16    30-Jun-00       6-Jul-00
          879                   99.81250   30-Jun-00       6-Jul-00
          200                  93  3/4     30-Jun-00       6-Jul-00
                      300       97.14150   30-Jun-00       6-Jul-00
          100                  93  3/4     30-Jun-00       6-Jul-00
          200                   95.00000   30-Jun-00       6-Jul-00
                      200      99  2/4     30-Jun-00       6-Jul-00
                      500      98  3/8     30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
        3,300                  98  1/4     30-Jun-00       6-Jul-00
          500                  96  1/8     30-Jun-00       6-Jul-00
       11,600                   97.67890   30-Jun-00       6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                 <C>       <C>          <C>         <C>
        5,100                 100  1/16    30-Jun-00       6-Jul-00
                    5,500       99.00000   30-Jun-00       6-Jul-00
                    1,100       97.25030   30-Jun-00       6-Jul-00
                    1,600       97.33780   30-Jun-00       6-Jul-00
          200                  97  1/8     30-Jun-00       6-Jul-00
          400                   95.62880   30-Jun-00       6-Jul-00
           25                   97.00000   30-Jun-00       6-Jul-00
          400                  96  1/4     30-Jun-00       6-Jul-00
          100                  99  3/4     30-Jun-00       6-Jul-00
          200                   97.00000   30-Jun-00       6-Jul-00
          100                   95.00000   30-Jun-00       6-Jul-00
        1,500                  96  1/8     30-Jun-00       6-Jul-00
          200                   99.81250   30-Jun-00       6-Jul-00
          100                  96  5/16    30-Jun-00       6-Jul-00
          250                   92.32690   30-Jun-00       6-Jul-00
        1,000                  96  5/16    30-Jun-00       6-Jul-00
          100                  95  3/4     30-Jun-00       6-Jul-00
          100                   97.67890   30-Jun-00       6-Jul-00
          100                   97.69490   30-Jun-00       6-Jul-00
                    7,950       97.07630   30-Jun-00       6-Jul-00
                      200      98  3/8     30-Jun-00       6-Jul-00
          100                  98  1/4     30-Jun-00       6-Jul-00
        2,000                   97.00000   30-Jun-00       6-Jul-00
          200                  95  3/4     30-Jun-00       6-Jul-00
        2,000                   95.00000   30-Jun-00       6-Jul-00
                      110       97.46880   30-Jun-00       6-Jul-00
          400                   99.81250   30-Jun-00       6-Jul-00
          500                   96.00000   30-Jun-00       6-Jul-00
          600                  97  7/16    30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
          200                  98  1/8     30-Jun-00       6-Jul-00
                    2,400       97.07960   30-Jun-00       6-Jul-00
        1,000                  96  1/8     30-Jun-00       6-Jul-00
                      200       97.46880   30-Jun-00       6-Jul-00
           40                   97.22830   30-Jun-00       6-Jul-00
           50                   95.03130   30-Jun-00       6-Jul-00
          200                  98  1/8     30-Jun-00       6-Jul-00
          200                   96.00000   30-Jun-00       6-Jul-00
          500                  100.00000   30-Jun-00       6-Jul-00
        2,000                   99.81250   30-Jun-00       6-Jul-00
        2,000                  97  7/8     30-Jun-00       6-Jul-00
        6,000                  96  1/8     30-Jun-00       6-Jul-00
        2,800                   96.00000   30-Jun-00       6-Jul-00
                      100      99  2/4     30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
          300                  96  5/16    30-Jun-00       6-Jul-00
          100                  96  1/8     30-Jun-00       6-Jul-00
          100                   99.81250   30-Jun-00       6-Jul-00
          800                  93  3/4     30-Jun-00       6-Jul-00
          500                  96  1/8     30-Jun-00       6-Jul-00
        1,000                  96  1/4     30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
        2,000                  93  1/8     30-Jun-00       6-Jul-00
          300                  98  1/8     30-Jun-00       6-Jul-00
          100                  96  1/4     30-Jun-00       6-Jul-00
           25                   97.54340   30-Jun-00       6-Jul-00
          500                  100.00000   30-Jun-00       6-Jul-00
          500                  98  3/4     30-Jun-00       6-Jul-00
          234                  96  2/4     30-Jun-00       6-Jul-00
          600                   99.81250   30-Jun-00       6-Jul-00
          100                   97.69490   30-Jun-00       6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
          200                  98  7/8     30-Jun-00       6-Jul-00
                    3,900       97.25030   30-Jun-00       6-Jul-00
          700                   93.00000   30-Jun-00       6-Jul-00
          800                  96  7/16    30-Jun-00       6-Jul-00
                    3,700       97.06780   30-Jun-00       6-Jul-00
          300                  98  3/8     30-Jun-00       6-Jul-00
                   12,100       97.03020   30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
           10                  96  1/4     30-Jun-00       6-Jul-00
        1,000                   99.68750   30-Jun-00       6-Jul-00
          400                  96  5/16    30-Jun-00       6-Jul-00
        3,000                   99.00000   30-Jun-00       6-Jul-00
          500                   95.00000   30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
          400                   97.67890   30-Jun-00       6-Jul-00
          400                  95  3/4     30-Jun-00       6-Jul-00
           10                  96  1/4     30-Jun-00       6-Jul-00
          600                   99.81250   30-Jun-00       6-Jul-00
                      200      96  3/8     30-Jun-00       6-Jul-00
                    2,000       93.38500   30-Jun-00       6-Jul-00
          500                  96  1/4     30-Jun-00       6-Jul-00
          400                   97.67890   30-Jun-00       6-Jul-00
                   10,000       99.87250   30-Jun-00       6-Jul-00
          200                  91  5/8     30-Jun-00       6-Jul-00
                      600       97.16550   30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
        3,200                   97.62920   30-Jun-00       6-Jul-00
                      250       96.15000   30-Jun-00       6-Jul-00
          200                  93  3/4     30-Jun-00       6-Jul-00
                   20,000       97.13440   30-Jun-00       6-Jul-00
                    1,500       94.60500   30-Jun-00       6-Jul-00
           30                  96  1/4     30-Jun-00       6-Jul-00
          200                  97  9/16    30-Jun-00       6-Jul-00
          200                   99.81250   30-Jun-00       6-Jul-00
                      200      98  3/8     30-Jun-00       6-Jul-00
          500                  96  1/4     30-Jun-00       6-Jul-00
          500                  93  1/8     30-Jun-00       6-Jul-00
                      200      96  3/8     30-Jun-00       6-Jul-00
                   50,000       97.14150   30-Jun-00       6-Jul-00
                      300      95  5/8     30-Jun-00       6-Jul-00
           23                   99.81250   30-Jun-00       6-Jul-00
          100                  96  9/16    30-Jun-00       6-Jul-00
                    5,300       96.31490   30-Jun-00       6-Jul-00
                    8,160       97.36380   30-Jun-00       6-Jul-00
          300                   96.00000   30-Jun-00       6-Jul-00
        1,000                  97  9/16    30-Jun-00       6-Jul-00
        1,232                   96.63990   30-Jun-00       6-Jul-00
        1,000                   96.00000   30-Jun-00       6-Jul-00
                      100       96.86670   30-Jun-00       6-Jul-00
          100                  97  9/16    30-Jun-00       6-Jul-00
        1,600                  96  7/8     30-Jun-00       6-Jul-00
                      100       96.86670   30-Jun-00       6-Jul-00
                      450       95.55770   30-Jun-00       6-Jul-00
          200                   93.29688   30-Jun-00       6-Jul-00
          500                  100.00000   30-Jun-00       6-Jul-00
          200                  96  1/4     30-Jun-00       6-Jul-00
                    3,600       97.25030   30-Jun-00       6-Jul-00
                      500       99.00000   30-Jun-00       6-Jul-00
          200                  95  2/4     30-Jun-00       6-Jul-00
        2,000                   99.81250   30-Jun-00       6-Jul-00
          600                   99.81250   30-Jun-00       6-Jul-00
</TABLE>
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>         <C>         <C>         <C>
          200                   95.00000   30-Jun-00       6-Jul-00
                    1,600       96.00000   30-Jun-00       6-Jul-00
                      100      100.00000   30-Jun-00       6-Jul-00
          300                   97.67890   30-Jun-00       6-Jul-00
           50                   95.03130   30-Jun-00       6-Jul-00
        2,400                  96  1/4     30-Jun-00       6-Jul-00
                      200      99  2/4     30-Jun-00       6-Jul-00
          900                  97  1/4     30-Jun-00       6-Jul-00
          400                   95.62880   30-Jun-00       6-Jul-00
          100                 100  2/4     30-Jun-00       6-Jul-00
          200                  93  3/4     30-Jun-00       6-Jul-00
          200                  96  5/16    30-Jun-00       6-Jul-00
          200                   99.81250   30-Jun-00       6-Jul-00
        1,000                  98  1/8     30-Jun-00       6-Jul-00
          100                  98  3/4     30-Jun-00       6-Jul-00
          200                  96  5/16    30-Jun-00       6-Jul-00
          200                   99.68750   30-Jun-00       6-Jul-00
        1,500                  96  1/8     30-Jun-00       6-Jul-00
          100                   98.68750   30-Jun-00       6-Jul-00
                    1,000       94.60000   30-Jun-00       6-Jul-00
        1,000                  95  3/4     30-Jun-00       6-Jul-00
          380                  96  1/4     30-Jun-00       6-Jul-00
           30                  96  1/4     30-Jun-00       6-Jul-00
          300                   97.67890   30-Jun-00       6-Jul-00
                    1,000      99  1/4     30-Jun-00       6-Jul-00
        6,500                   98.00000   30-Jun-00       6-Jul-00
                   20,000       98.04130   30-Jun-00       6-Jul-00
        1,600                  95  3/4     30-Jun-00       6-Jul-00
                      100       96.86670   30-Jun-00       6-Jul-00
        2,000                  96  7/16    30-Jun-00       6-Jul-00
          100                  93  1/8     30-Jun-00       6-Jul-00
                      100      98  5/8     30-Jun-00       6-Jul-00
          500                  96  9/16    30-Jun-00       6-Jul-00
          500                   96.20000   30-Jun-00       6-Jul-00
          500                  96  1/8     30-Jun-00       6-Jul-00
          200                  95  3/4     30-Jun-00       6-Jul-00
           35                   94.84375   30-Jun-00       6-Jul-00
        1,600                   97.67890   30-Jun-00       6-Jul-00
                      200      96  3/16    30-Jun-00       6-Jul-00
          200                  96  1/8     30-Jun-00       6-Jul-00
          300                  93  1/8     30-Jun-00       6-Jul-00
                      200     100  1/8     30-Jun-00       6-Jul-00
        2,000                  96  5/16    30-Jun-00       6-Jul-00
          200                  90  1/4     30-Jun-00       6-Jul-00
                   20,000       97.74840   30-Jun-00       6-Jul-00
          300                  93  1/8     30-Jun-00       6-Jul-00
           90                  98  1/4     30-Jun-00       6-Jul-00
          890                  96  1/4     30-Jun-00       6-Jul-00
          600                   97.67890   30-Jun-00       6-Jul-00
          200                   97.00000   30-Jun-00       6-Jul-00
          500                   99.00000   30-Jun-00       6-Jul-00
          100                  96  7/16    30-Jun-00       6-Jul-00
          100                   97.00000   30-Jun-00       6-Jul-00
          300                   96.00000   30-Jun-00       6-Jul-00
        3,500                  97  3/8     30-Jun-00       6-Jul-00
       19,000                   96.12830   30-Jun-00       6-Jul-00
        1,600                   97.67890   30-Jun-00       6-Jul-00
                    2,000      98  1/4     30-Jun-00       6-Jul-00
          300                  96  5/16    30-Jun-00       6-Jul-00
          100                  92  1/8     30-Jun-00       6-Jul-00
          100                  96  1/8     30-Jun-00       6-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
                    1,600      98  3/8     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
                      100       96.86670   30-Jun-00     6-Jul-00
           20                  96  1/4     30-Jun-00     6-Jul-00
          500                   99.00000   30-Jun-00     6-Jul-00
          200                   97.69490   30-Jun-00     6-Jul-00
          500                  95  7/16    30-Jun-00     6-Jul-00
          900                   97.67890   30-Jun-00     6-Jul-00
                      200       97.07960   30-Jun-00     6-Jul-00
          500                  96  1/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          100                  97  7/8     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  95  3/4     30-Jun-00     6-Jul-00
          400                  96  9/16    30-Jun-00     6-Jul-00
                   31,900       97.16550   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          600                   97.54340   30-Jun-00     6-Jul-00
        1,600                   97.69490   30-Jun-00     6-Jul-00
          100                   94.71875   30-Jun-00     6-Jul-00
          400                   99.81250   30-Jun-00     6-Jul-00
          200                 100  2/4     30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
          300                   97.00000   30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
                    1,900       97.25030   30-Jun-00     6-Jul-00
          900                  96  1/8     30-Jun-00     6-Jul-00
          100                   93.47500   30-Jun-00     6-Jul-00
          700                  96  1/4     30-Jun-00     6-Jul-00
           75                   97.54340   30-Jun-00     6-Jul-00
                    1,800       97.25030   30-Jun-00     6-Jul-00
        2,500                  96  1/4     30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
        1,600                   99.81250   30-Jun-00     6-Jul-00
          600                  96  1/4     30-Jun-00     6-Jul-00
                    2,000      98  3/8     30-Jun-00     6-Jul-00
          300                  97  3/8     30-Jun-00     6-Jul-00
        1,000                  96  9/16    30-Jun-00     6-Jul-00
          300                  93  1/8     30-Jun-00     6-Jul-00
        2,115                  98  7/8     30-Jun-00     6-Jul-00
          800                   97.67890   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
          900                  93  5/8     30-Jun-00     6-Jul-00
          700                  100.00000   30-Jun-00     6-Jul-00
          100                   95.60000   30-Jun-00     6-Jul-00
                      100     100  1/8     30-Jun-00     6-Jul-00
          800                  96  7/16    30-Jun-00     6-Jul-00
        1,000                   93.15000   30-Jun-00     6-Jul-00
          100                   93.47500   30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
                    5,100      97  2/4     30-Jun-00     6-Jul-00
                    1,500       97.25030   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          269                   96.63990   30-Jun-00     6-Jul-00
          100                   96.63610   30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
       22,500                   97.67890   30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
          800                  96  1/4     30-Jun-00     6-Jul-00
          200                  99  5/16    30-Jun-00     6-Jul-00
                      200      96  2/4     30-Jun-00     6-Jul-00
          300                   97.15000   30-Jun-00     6-Jul-00
           50                  96  7/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          300                   95.76790   30-Jun-00     6-Jul-00
                   10,000       97.36380   30-Jun-00     6-Jul-00
          300                  97  7/16    30-Jun-00     6-Jul-00
          500                   97.34500   30-Jun-00     6-Jul-00
           53                  93  1/4     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
        1,000                  98  2/4     30-Jun-00     6-Jul-00
                      200       97.24360   30-Jun-00     6-Jul-00
                      200      97  2/4     30-Jun-00     6-Jul-00
          350                   98.00000   30-Jun-00     6-Jul-00
          200                   97.67890   30-Jun-00     6-Jul-00
                   20,500       97.25030   30-Jun-00     6-Jul-00
        2,000                  93  1/8     30-Jun-00     6-Jul-00
          200                   94.98438   30-Jun-00     6-Jul-00
                   25,800       97.16550   30-Jun-00     6-Jul-00
           25                   95.03130   30-Jun-00     6-Jul-00
          100                   97.00000   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          300                   97.67890   30-Jun-00     6-Jul-00
          700                   98.46950   30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
                    2,150       97.14150   30-Jun-00     6-Jul-00
          200                   96.00000   30-Jun-00     6-Jul-00
          500                  98  3/4     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
           30                  96  1/4     30-Jun-00     6-Jul-00
                   46,700       97.14150   30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          800                  96  5/16    30-Jun-00     6-Jul-00
          100                  94  1/8     30-Jun-00     6-Jul-00
          400                  96  1/4     30-Jun-00     6-Jul-00
        1,000                  98  3/4     30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
          100                  93  1/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
        3,000                  97  9/16    30-Jun-00     6-Jul-00
          900                  93  1/4     30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
           10                  96  1/4     30-Jun-00     6-Jul-00
          400                  93  3/4     30-Jun-00     6-Jul-00
           50                  96  1/4     30-Jun-00     6-Jul-00
          200                   91.42500   30-Jun-00     6-Jul-00
          500                   96.20000   30-Jun-00     6-Jul-00
        1,700                  99  3/8     30-Jun-00     6-Jul-00
            4                  96  2/4     30-Jun-00     6-Jul-00
                   43,600       97.19400   30-Jun-00     6-Jul-00
                      300       97.14150   30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          100                  97  9/16    30-Jun-00     6-Jul-00
                      100      97  2/4     30-Jun-00     6-Jul-00
                      200      99  1/16    30-Jun-00     6-Jul-00
           50                  96  1/4     30-Jun-00     6-Jul-00
          400                   97.67890   30-Jun-00     6-Jul-00
       50,000                   98.46950   30-Jun-00     6-Jul-00
          200                   99.81250   30-Jun-00     6-Jul-00
          200                   93.68750   30-Jun-00     6-Jul-00
        2,000                  94  1/4     30-Jun-00     6-Jul-00
                    2,900       94.60500   30-Jun-00     6-Jul-00
          500                   94.00000   30-Jun-00     6-Jul-00
          100                  95  2/4     30-Jun-00     6-Jul-00
          800                  97  5/16    30-Jun-00     6-Jul-00
                      500      96  2/4     30-Jun-00     6-Jul-00
                   20,500       97.07960   30-Jun-00     6-Jul-00
          300                   93.00000   30-Jun-00     6-Jul-00
          200                  96  7/16    30-Jun-00     6-Jul-00
                      200      98  5/16    30-Jun-00     6-Jul-00
          100                  96  5/16    30-Jun-00     6-Jul-00
          100                  100.00000   30-Jun-00     6-Jul-00
                    2,720       97.36380   30-Jun-00     6-Jul-00
          200                   96.19000   30-Jun-00     6-Jul-00
          200                  93  1/8     30-Jun-00     6-Jul-00
          100                  97  7/16    30-Jun-00     6-Jul-00
        1,000                   98.00000   30-Jun-00     6-Jul-00
          200                  97  7/8     30-Jun-00     6-Jul-00
        2,700                  97  7/8     30-Jun-00     6-Jul-00
                      600       97.25030   30-Jun-00     6-Jul-00
        1,130                  98  1/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      200      99  9/16    30-Jun-00     6-Jul-00
        2,700                  93  3/4     30-Jun-00     6-Jul-00
                    1,000      96  2/4     30-Jun-00     6-Jul-00
                      200      99  2/4     30-Jun-00     6-Jul-00
          100                   93.68750   30-Jun-00     6-Jul-00
          500                  97  1/4     30-Jun-00     6-Jul-00
          200                  93  3/4     30-Jun-00     6-Jul-00
                      280       97.36380   30-Jun-00     6-Jul-00
        1,500                  96  1/8     30-Jun-00     6-Jul-00
        1,100                   97.54340   30-Jun-00     6-Jul-00
        1,000                  98  7/8     30-Jun-00     6-Jul-00
        7,500                   98.46950   30-Jun-00     6-Jul-00
        1,900                  96  9/16    30-Jun-00     6-Jul-00
        1,000                  98  1/8     30-Jun-00     6-Jul-00
                    1,830       97.36380   30-Jun-00     6-Jul-00
        1,000                  93  1/8     30-Jun-00     6-Jul-00
        5,000                   94.42500   30-Jun-00     6-Jul-00
                      100      96  2/4     30-Jun-00     6-Jul-00
        1,400                   95.92760   30-Jun-00     6-Jul-00
          200                   99.68750   30-Jun-00     6-Jul-00
        7,000                  96  9/16    30-Jun-00     6-Jul-00
        1,800                   97.67890   30-Jun-00     6-Jul-00
          200                  97  1/4     30-Jun-00     6-Jul-00
        1,500                  93  1/8     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
                      200      97  1/16    30-Jun-00     6-Jul-00
        3,500                  97  7/16    30-Jun-00     6-Jul-00
          438                   96.00000   30-Jun-00     6-Jul-00
                      200      96  5/16    30-Jun-00     6-Jul-00
          400                  96  5/16    30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          600                  93  1/8     30-Jun-00     6-Jul-00
        2,200                   99.68750   30-Jun-00     6-Jul-00
                      100      97  5/8     30-Jun-00     6-Jul-00
          100                  93  3/4     30-Jun-00     6-Jul-00
          500                  96  1/8     30-Jun-00     6-Jul-00
        1,200                   96.00000   30-Jun-00     6-Jul-00
          900                  96  3/8     30-Jun-00     6-Jul-00
          600                  93  1/8     30-Jun-00     6-Jul-00
          300                   99.81250   30-Jun-00     6-Jul-00
        7,500                   96.93750   30-Jun-00     6-Jul-00
                    5,000       90.06000   30-Jun-00     6-Jul-00
        1,200                  96  1/8     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
                      200       97.16550   30-Jun-00     6-Jul-00
          200                   95.00000   30-Jun-00     6-Jul-00
        1,400                   97.69490   30-Jun-00     6-Jul-00
        1,500                   98.46950   30-Jun-00     6-Jul-00
          200                  98  1/4     30-Jun-00     6-Jul-00
                      160       97.46880   30-Jun-00     6-Jul-00
        1,700                  90  1/4     30-Jun-00     6-Jul-00
        1,000                  97  1/4     30-Jun-00     6-Jul-00
                    1,000      97  3/8     30-Jun-00     6-Jul-00
          100                   97.67890   30-Jun-00     6-Jul-00
                   22,500       96.38580   30-Jun-00     6-Jul-00
          300                   97.54340   30-Jun-00     6-Jul-00
          400                   96.00000   30-Jun-00     6-Jul-00
        1,000                   95.00000   30-Jun-00     6-Jul-00
          100                  97  9/16    30-Jun-00     6-Jul-00
        1,000                  100.00000   30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
        1,600                  98  1/4     30-Jun-00     6-Jul-00
          400                  96  9/16    30-Jun-00     6-Jul-00
        2,200                   99.68750   30-Jun-00     6-Jul-00
          100                  98  7/8     30-Jun-00     6-Jul-00
       21,200                  97  2/4     30-Jun-00     6-Jul-00
        3,000                  97  1/4     30-Jun-00     6-Jul-00
          300                  97  1/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  94  3/4     30-Jun-00     6-Jul-00
          200                  98  3/4     30-Jun-00     6-Jul-00
          200                  96  1/8     30-Jun-00     6-Jul-00
          200                  96  5/16    30-Jun-00     6-Jul-00
          200                  84  5/16     3-Jul-00     7-Jul-00
          500                  87  1/4      3-Jul-00     7-Jul-00
                      200       83.00000    3-Jul-00     7-Jul-00
                      505       86.95310    3-Jul-00     7-Jul-00
                       15       86.95310    3-Jul-00     7-Jul-00
        1,200                  87  7/8      3-Jul-00     7-Jul-00
          200                  87  3/4      3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
        2,000                   82.81250    3-Jul-00     7-Jul-00
                    2,000       90.17030    3-Jul-00     7-Jul-00
                    6,400       90.17030    3-Jul-00     7-Jul-00
          200                  86  3/8      3-Jul-00     7-Jul-00
                   16,550       90.17030    3-Jul-00     7-Jul-00
        4,400                  87  1/4      3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
        1,000                  86  3/4      3-Jul-00     7-Jul-00
        1,000                   89.00000    3-Jul-00     7-Jul-00
                      300      86  5/8      3-Jul-00     7-Jul-00
          100                  85  1/16     3-Jul-00     7-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                   17,550       90.17030    3-Jul-00     7-Jul-00
                       50       86.95310    3-Jul-00     7-Jul-00
          200                  87  2/4      3-Jul-00     7-Jul-00
        1,000                  90  5/8      3-Jul-00     7-Jul-00
                      200      92  2/4      3-Jul-00     7-Jul-00
                    3,000      87  3/4      3-Jul-00     7-Jul-00
                      500      92  2/4      3-Jul-00     7-Jul-00
          100                   89.00500    3-Jul-00     7-Jul-00
                      100      92  2/4      3-Jul-00     7-Jul-00
          500                   83.79070    3-Jul-00     7-Jul-00
          200                   86.00000    3-Jul-00     7-Jul-00
        2,123                  88  5/16     3-Jul-00     7-Jul-00
                       15      84  1/8      3-Jul-00     7-Jul-00
                       25       86.95310    3-Jul-00     7-Jul-00
          300                   83.79070    3-Jul-00     7-Jul-00
                      100       84.00000    3-Jul-00     7-Jul-00
          310                  90  7/16     3-Jul-00     7-Jul-00
        1,100                  84  7/8      3-Jul-00     7-Jul-00
          800                  86  1/4      3-Jul-00     7-Jul-00
          100                  87  1/4      3-Jul-00     7-Jul-00
          200                  88  5/16     3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
                       25       86.95310    3-Jul-00     7-Jul-00
        2,000                   86.62310    3-Jul-00     7-Jul-00
          100                  89  3/16     3-Jul-00     7-Jul-00
                      535       86.95310    3-Jul-00     7-Jul-00
        1,200                  88  3/8      3-Jul-00     7-Jul-00
                       20       86.95310    3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
                      100      86  5/8      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
                      100      92  2/4      3-Jul-00     7-Jul-00
          200                  87  1/8      3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
                      100      89  2/4      3-Jul-00     7-Jul-00
          200                  86  3/8      3-Jul-00     7-Jul-00
                       30       86.95310    3-Jul-00     7-Jul-00
                    2,500      87  2/4      3-Jul-00     7-Jul-00
          400                  86  2/4      3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
          500                  87  1/4      3-Jul-00     7-Jul-00
          150                   86.30000    3-Jul-00     7-Jul-00
                      200      92  2/4      3-Jul-00     7-Jul-00
                    5,000      88  2/4      3-Jul-00     7-Jul-00
          250                   88.31500    3-Jul-00     7-Jul-00
       15,700                  86  2/4      3-Jul-00     7-Jul-00
          300                   89.00000    3-Jul-00     7-Jul-00
        1,000                   86.79900    3-Jul-00     7-Jul-00
          200                  84  5/16     3-Jul-00     7-Jul-00
          500                  82  2/4      3-Jul-00     7-Jul-00
                      250      87  5/16     3-Jul-00     7-Jul-00
          200                  89  5/8      3-Jul-00     7-Jul-00
        4,200                  86  3/8      3-Jul-00     7-Jul-00
          500                   82.18250    3-Jul-00     7-Jul-00
          200                   87.81250    3-Jul-00     7-Jul-00
          200                  85  1/4      3-Jul-00     7-Jul-00
          252                  87  1/8      3-Jul-00     7-Jul-00
          200                  89  2/4      3-Jul-00     7-Jul-00
          300                  87  1/4      3-Jul-00     7-Jul-00
        4,700                  87  1/4      3-Jul-00     7-Jul-00
<PAGE>

                                  SCHEDULE IV
                              --------------------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                    1,255      86.95310    3-Jul-00     7-Jul-00
                      500      92  2/4     3-Jul-00     7-Jul-00
          100                  89  3/8     3-Jul-00     7-Jul-00
          500                  87.81250    3-Jul-00     7-Jul-00
          200                  87.81250    3-Jul-00     7-Jul-00
                      100      92  2/4     3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
          200                  88  5/16    3-Jul-00     7-Jul-00
          200                  89  1/8     3-Jul-00     7-Jul-00
                      200      87.00000    3-Jul-00     7-Jul-00
          500                  88  1/4     3-Jul-00     7-Jul-00
          400                  86  1/4     3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
          100                  88.00000    3-Jul-00     7-Jul-00
          400                  89  5/8     3-Jul-00     7-Jul-00
                    1,100      89  1/4     3-Jul-00     7-Jul-00
          200                  87.81250    3-Jul-00     7-Jul-00
          100                  83.79070    3-Jul-00     7-Jul-00
                      200      83.00000    3-Jul-00     7-Jul-00
                    1,000      92  2/4     3-Jul-00     7-Jul-00
          100                  85.93750    3-Jul-00     7-Jul-00
                    1,200      92  2/4     3-Jul-00     7-Jul-00
                      200      92  2/4     3-Jul-00     7-Jul-00
                      600      87  1/4     3-Jul-00     7-Jul-00
                       25      86.95310    3-Jul-00     7-Jul-00
          400                  83.79070    3-Jul-00     7-Jul-00
                    2,500      93  5/16    3-Jul-00     7-Jul-00
        3,000                  88.85250    3-Jul-00     7-Jul-00
          200                  86.35000    3-Jul-00     7-Jul-00
                      200      92  2/4     3-Jul-00     7-Jul-00
        1,100                  86  3/8     3-Jul-00     7-Jul-00
                      300      92  2/4     3-Jul-00     7-Jul-00
          100                  89  3/16    3-Jul-00     7-Jul-00
          500                  87.81250    3-Jul-00     7-Jul-00
          200                  87  1/4     3-Jul-00     7-Jul-00
          100                  91  7/16    3-Jul-00     7-Jul-00
        1,000                  86.78000    3-Jul-00     7-Jul-00
          100                  83.79070    3-Jul-00     7-Jul-00
          100                  85.00000    3-Jul-00     7-Jul-00
                   11,105      86.95310    3-Jul-00     7-Jul-00
                       60      86.95310    3-Jul-00     7-Jul-00
          500                  87  2/4     3-Jul-00     7-Jul-00
          200                  89  7/8     3-Jul-00     7-Jul-00
          100                  86.00000    3-Jul-00     7-Jul-00
          200                  93.00000    3-Jul-00     7-Jul-00
          200                  87.81250    3-Jul-00     7-Jul-00
          300                  91  2/4     3-Jul-00     7-Jul-00
          500                  91  2/4     3-Jul-00     7-Jul-00
                      200      92  2/4     3-Jul-00     7-Jul-00
          500                  89.00000    3-Jul-00     7-Jul-00
                    1,000      84.00000    3-Jul-00     7-Jul-00
          100                  86  3/8     3-Jul-00     7-Jul-00
          200                  86.93750    3-Jul-00     7-Jul-00
          300                  86.93750    3-Jul-00     7-Jul-00
                      200      88  2/4     3-Jul-00     7-Jul-00
        1,000                  88  1/4     3-Jul-00     7-Jul-00
        1,000                  86  3/8     3-Jul-00     7-Jul-00
          200                  86.93750    3-Jul-00     7-Jul-00
          200                  86  5/16    3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
        2,000                  89  7/8     3-Jul-00     7-Jul-00
<PAGE>

                                  SCHEDULE IV
                              --------------------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          200                  87.93750    3-Jul-00     7-Jul-00
          200                  83.79070    3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
          500                  86  3/8     3-Jul-00     7-Jul-00
                      100      83.00000    3-Jul-00     7-Jul-00
          200                  86.93750    3-Jul-00     7-Jul-00
        4,200                  86  2/4     3-Jul-00     7-Jul-00
                      200      92  2/4     3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
          200                  93.00000    3-Jul-00     7-Jul-00
                    1,000      86  5/8     3-Jul-00     7-Jul-00
          100                  82  2/4     3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
          200                  86.93750    3-Jul-00     7-Jul-00
          100                  86  3/4     3-Jul-00     7-Jul-00
          300                  88  1/4     3-Jul-00     7-Jul-00
          100                  88.00000    3-Jul-00     7-Jul-00
          200                  88  5/16    3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
          500                  87  1/4     3-Jul-00     7-Jul-00
          500                  86  1/4     3-Jul-00     7-Jul-00
                       90      86.95310    3-Jul-00     7-Jul-00
        1,800                  89.00000    3-Jul-00     7-Jul-00
           50                  89.00000    3-Jul-00     7-Jul-00
                      100      84  1/8     3-Jul-00     7-Jul-00
          200                  87.81250    3-Jul-00     7-Jul-00
        4,900                  86  1/4     3-Jul-00     7-Jul-00
                   50,000      88.54380    3-Jul-00     7-Jul-00
          100                  87  1/4     3-Jul-00     7-Jul-00
                      100      92  2/4     3-Jul-00     7-Jul-00
                    1,000      84  1/8     3-Jul-00     7-Jul-00
          600                  89  5/8     3-Jul-00     7-Jul-00
          400                  89  7/8     3-Jul-00     7-Jul-00
                      200      92  2/4     3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
        1,000                  88.00000    3-Jul-00     7-Jul-00
          700                  86  3/4     3-Jul-00     7-Jul-00
        1,000                  86  1/4     3-Jul-00     7-Jul-00
          200                  86  9/16    3-Jul-00     7-Jul-00
          200                  87  1/4     3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
          200                  87.81250    3-Jul-00     7-Jul-00
          200                  89  7/16    3-Jul-00     7-Jul-00
                      700      86  5/8     3-Jul-00     7-Jul-00
          800                  86  5/8     3-Jul-00     7-Jul-00
          200                  87.00000    3-Jul-00     7-Jul-00
          100                  82  2/4     3-Jul-00     7-Jul-00
          400                  86  3/8     3-Jul-00     7-Jul-00
          400                  87  1/4     3-Jul-00     7-Jul-00
          200                  83.79070    3-Jul-00     7-Jul-00
          700                  87  1/4     3-Jul-00     7-Jul-00
          200                  89.12610    3-Jul-00     7-Jul-00
          400                  87  2/4     3-Jul-00     7-Jul-00
          200                  87  1/4     3-Jul-00     7-Jul-00
                       35      86.95310    3-Jul-00     7-Jul-00
        2,000                  86.95000    3-Jul-00     7-Jul-00
        1,000                  85  1/4     3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
          500                  82  2/4     3-Jul-00     7-Jul-00
          200                  85  1/4     3-Jul-00     7-Jul-00
<PAGE>

                                  SCHEDULE IV
                              --------------------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                    4,100      90.17030    3-Jul-00     7-Jul-00
          500                  88  1/8     3-Jul-00     7-Jul-00
          300                  87  1/4     3-Jul-00     7-Jul-00
        1,000                  89  3/8     3-Jul-00     7-Jul-00
          100                  89  3/16    3-Jul-00     7-Jul-00
          200                  88  1/8     3-Jul-00     7-Jul-00
          200                  86.35000    3-Jul-00     7-Jul-00
          200                  86.93750    3-Jul-00     7-Jul-00
                       75      86.95310    3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
                      100      84.01563    3-Jul-00     7-Jul-00
        1,200                  86  2/4     3-Jul-00     7-Jul-00
                      100      84  1/8     3-Jul-00     7-Jul-00
          500                  86.80000    3-Jul-00     7-Jul-00
                    2,000      89.00000    3-Jul-00     7-Jul-00
        3,000                  88  3/8     3-Jul-00     7-Jul-00
          200                  88  1/8     3-Jul-00     7-Jul-00
                   47,500      87.17110    3-Jul-00     7-Jul-00
                      200      84  1/8     3-Jul-00     7-Jul-00
          200                  86  3/8     3-Jul-00     7-Jul-00
          200                  87  1/4     3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
                      400      84  1/8     3-Jul-00     7-Jul-00
          200                  87  3/4     3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
       29,100                  83.79070    3-Jul-00     7-Jul-00
        2,000                  87.27500    3-Jul-00     7-Jul-00
        1,000                  88  1/4     3-Jul-00     7-Jul-00
          100                  86.35000    3-Jul-00     7-Jul-00
                    5,000      89.00000    3-Jul-00     7-Jul-00
          300                  93.00000    3-Jul-00     7-Jul-00
                       50      89  2/4     3-Jul-00     7-Jul-00
        1,000                  88  1/4     3-Jul-00     7-Jul-00
                      200      92  2/4     3-Jul-00     7-Jul-00
          100                  86  1/4     3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
        1,800                  88  3/8     3-Jul-00     7-Jul-00
          200                  86  3/8     3-Jul-00     7-Jul-00
                    5,300      84.65330    3-Jul-00     7-Jul-00
        2,200                  86.93750    3-Jul-00     7-Jul-00
          300                  91  7/16    3-Jul-00     7-Jul-00
          200                  83.79070    3-Jul-00     7-Jul-00
                       90      86.95310    3-Jul-00     7-Jul-00
          300                  86.93750    3-Jul-00     7-Jul-00
        1,000                  89.00000    3-Jul-00     7-Jul-00
          200                  88  5/16    3-Jul-00     7-Jul-00
                    5,465      86.95310    3-Jul-00     7-Jul-00
                       40      86.95310    3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
          100                  88  1/8     3-Jul-00     7-Jul-00
          100                  87  1/4     3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
                    1,100      84  1/8     3-Jul-00     7-Jul-00
          200                  89  5/8     3-Jul-00     7-Jul-00
        1,100                  87  1/4     3-Jul-00     7-Jul-00
                      300      90.00000    3-Jul-00     7-Jul-00
          800                  86  1/4     3-Jul-00     7-Jul-00
          200                  89  3/16    3-Jul-00     7-Jul-00
                       25      86.95310    3-Jul-00     7-Jul-00
                      200      83.00000    3-Jul-00     7-Jul-00
          800                  86.62000    3-Jul-00     7-Jul-00
<PAGE>

                                  SCHEDULE IV
                              --------------------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                      100      83.00000    3-Jul-00     7-Jul-00
          200                  86  5/16    3-Jul-00     7-Jul-00
          100                  88  1/4     3-Jul-00     7-Jul-00
          200                  90  7/16    3-Jul-00     7-Jul-00
          100                  87  1/4     3-Jul-00     7-Jul-00
                      200      89  3/8     3-Jul-00     7-Jul-00
                       30      86.95310    3-Jul-00     7-Jul-00
          100                  83.79070    3-Jul-00     7-Jul-00
        1,100                  87  1/4     3-Jul-00     7-Jul-00
        1,000                  82  2/4     3-Jul-00     7-Jul-00
          100                  88  5/16    3-Jul-00     7-Jul-00
          100                  88  2/4     3-Jul-00     7-Jul-00
          700                  86  3/4     3-Jul-00     7-Jul-00
          150                  87  1/4     3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
                      100      87  5/8     3-Jul-00     7-Jul-00
          100                  85  5/8     3-Jul-00     7-Jul-00
          200                  89  7/8     3-Jul-00     7-Jul-00
          100                  83.79070    3-Jul-00     7-Jul-00
        1,200                  87  1/4     3-Jul-00     7-Jul-00
          200                  88  3/8     3-Jul-00     7-Jul-00
          300                  86.62000    3-Jul-00     7-Jul-00
          300                  87  1/4     3-Jul-00     7-Jul-00
          100                  88  1/8     3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
        1,600                  83.79070    3-Jul-00     7-Jul-00
                   27,500      87.60520    3-Jul-00     7-Jul-00
        2,500                  88  2/4     3-Jul-00     7-Jul-00
          500                  86  1/4     3-Jul-00     7-Jul-00
          200                  85  1/4     3-Jul-00     7-Jul-00
                      200      86  5/8     3-Jul-00     7-Jul-00
                      200      84  1/8     3-Jul-00     7-Jul-00
          200                  89.00000    3-Jul-00     7-Jul-00
          500                  87  1/4     3-Jul-00     7-Jul-00
          500                  86.29875    3-Jul-00     7-Jul-00
          200                  87  2/4     3-Jul-00     7-Jul-00
          200                  91  2/4     3-Jul-00     7-Jul-00
          135                  84  7/8     3-Jul-00     7-Jul-00
          200                  89  3/8     3-Jul-00     7-Jul-00
                      200      83.00000    3-Jul-00     7-Jul-00
          200                  87  1/4     3-Jul-00     7-Jul-00
          300                  86  3/4     3-Jul-00     7-Jul-00
                    1,500      87  2/4     3-Jul-00     7-Jul-00
          500                  89  5/8     3-Jul-00     7-Jul-00
                      500      84  1/8     3-Jul-00     7-Jul-00
          200                  88  1/4     3-Jul-00     7-Jul-00
          200                  89  3/8     3-Jul-00     7-Jul-00
        1,000                  88  1/4     3-Jul-00     7-Jul-00
          300                  86.35000    3-Jul-00     7-Jul-00
        1,000                  87  2/4     3-Jul-00     7-Jul-00
          200                  89.00000    3-Jul-00     7-Jul-00
          200                  89  1/8     3-Jul-00     7-Jul-00
          100                  83.79070    3-Jul-00     7-Jul-00
          200                  86  3/4     3-Jul-00     7-Jul-00
        1,100                  85  1/4     3-Jul-00     7-Jul-00
          200                  89  3/16    3-Jul-00     7-Jul-00
        2,000                  86.65000    3-Jul-00     7-Jul-00
          100                  82  2/4     3-Jul-00     7-Jul-00
          200                  88  5/16    3-Jul-00     7-Jul-00
          100                  86.93750    3-Jul-00     7-Jul-00
<PAGE>

                                  SCHEDULE IV
                              --------------------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          400                  83.79070     3-Jul-00     7-Jul-00
          600                  86.93750     3-Jul-00     7-Jul-00
        1,000                  86  1/4      3-Jul-00     7-Jul-00
                    4,900      91.00000     3-Jul-00     7-Jul-00
          500                  83.79070     3-Jul-00     7-Jul-00
          200                  88  5/8      3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
                      200      87  5/16     3-Jul-00     7-Jul-00
          100                  86  3/4      3-Jul-00     7-Jul-00
          200                  86.93750     3-Jul-00     7-Jul-00
          100                  86.93750     3-Jul-00     7-Jul-00
          100                  83.79070     3-Jul-00     7-Jul-00
          100                  83.79070     3-Jul-00     7-Jul-00
          300                  86.93750     3-Jul-00     7-Jul-00
          800                  82.36000     3-Jul-00     7-Jul-00
                      100      84.00000     3-Jul-00     7-Jul-00
          200                  88.00000     3-Jul-00     7-Jul-00
          500                  86.62000     3-Jul-00     7-Jul-00
       12,000                  86  1/16     3-Jul-00     7-Jul-00
          100                  88  5/16     3-Jul-00     7-Jul-00
          217                  86  3/4      3-Jul-00     7-Jul-00
          300                  86  1/4      3-Jul-00     7-Jul-00
          300                  84  2/4      3-Jul-00     7-Jul-00
          300                  91  7/16     3-Jul-00     7-Jul-00
          200                  89.00000     3-Jul-00     7-Jul-00
                      200      92  2/4      3-Jul-00     7-Jul-00
          800                  85  1/4      3-Jul-00     7-Jul-00
          200                  90  1/4      3-Jul-00     7-Jul-00
                       20      86.95310     3-Jul-00     7-Jul-00
          500                  87  2/4      3-Jul-00     7-Jul-00
          100                  86.93750     3-Jul-00     7-Jul-00
                       40      86.95310     3-Jul-00     7-Jul-00
          200                  86.93750     3-Jul-00     7-Jul-00
          300                  86  3/4      3-Jul-00     7-Jul-00
                    1,000      91.00000     3-Jul-00     7-Jul-00
                      100      84  1/8      3-Jul-00     7-Jul-00
          100                  87  1/4      3-Jul-00     7-Jul-00
          250                  88.31500     3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
                      100      92  2/4      3-Jul-00     7-Jul-00
          800                  83.79070     3-Jul-00     7-Jul-00
                       45      86.95310     3-Jul-00     7-Jul-00
          800                  85  1/4      3-Jul-00     7-Jul-00
          600                  88.30000     3-Jul-00     7-Jul-00
          200                  92.00000     3-Jul-00     7-Jul-00
                      100      92  2/4      3-Jul-00     7-Jul-00
          600                  83.79070     3-Jul-00     7-Jul-00
          200                  87  1/4      3-Jul-00     7-Jul-00
        2,000                  86.58750     3-Jul-00     7-Jul-00
                      135      86.95310     3-Jul-00     7-Jul-00
          400                  87  1/4      3-Jul-00     7-Jul-00
                    2,500      87.00000     3-Jul-00     7-Jul-00
          200                  89  3/8      3-Jul-00     7-Jul-00
          200                  89  1/8      3-Jul-00     7-Jul-00
                      500      86  5/8      3-Jul-00     7-Jul-00
          150                  89.82000     3-Jul-00     7-Jul-00
                      450      86.95310     3-Jul-00     7-Jul-00
          200                  85  1/4      3-Jul-00     7-Jul-00
        1,200                  86.93750     3-Jul-00     7-Jul-00
                      900      83.00000     3-Jul-00     7-Jul-00
          200                  84  7/8      3-Jul-00     7-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                      200      84  1/8      3-Jul-00     7-Jul-00
          300                  87  2/4      3-Jul-00     7-Jul-00
          200                   88.00000    3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
                      100       91.00000    3-Jul-00     7-Jul-00
        1,200                   83.79070    3-Jul-00     7-Jul-00
          500                  89  7/8      3-Jul-00     7-Jul-00
          100                  89  3/8      3-Jul-00     7-Jul-00
          200                  85  1/4      3-Jul-00     7-Jul-00
          200                  88  1/8      3-Jul-00     7-Jul-00
          200                   89.00000    3-Jul-00     7-Jul-00
          350                   89.00000    3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
                      600      84  1/8      3-Jul-00     7-Jul-00
                       55       86.95310    3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
          200                  89  7/8      3-Jul-00     7-Jul-00
          200                   87.81250    3-Jul-00     7-Jul-00
          200                   87.00000    3-Jul-00     7-Jul-00
        1,000                   88.55000    3-Jul-00     7-Jul-00
          500                  88  1/8      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
          139                   84.00000    3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
          400                  86  3/4      3-Jul-00     7-Jul-00
        1,000                   85.76563    3-Jul-00     7-Jul-00
          600                   86.81000    3-Jul-00     7-Jul-00
          100                  92  7/16     3-Jul-00     7-Jul-00
          100                  89  3/8      3-Jul-00     7-Jul-00
          100                  85  5/16     3-Jul-00     7-Jul-00
                      100      86  5/8      3-Jul-00     7-Jul-00
                      200      86  5/8      3-Jul-00     7-Jul-00
          100                  86  1/4      3-Jul-00     7-Jul-00
          300                   86.29875    3-Jul-00     7-Jul-00
          600                  88  1/4      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
          200                  87  1/4      3-Jul-00     7-Jul-00
                      200      87  1/16     3-Jul-00     7-Jul-00
                      500      86  5/8      3-Jul-00     7-Jul-00
          200                  86  2/4      3-Jul-00     7-Jul-00
          500                   93.00000    3-Jul-00     7-Jul-00
          200                  86  1/4      3-Jul-00     7-Jul-00
          100                  88  3/8      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
          200                   87.93750    3-Jul-00     7-Jul-00
          300                   86.29875    3-Jul-00     7-Jul-00
          800                  85  1/4      3-Jul-00     7-Jul-00
          200                  86  1/4      3-Jul-00     7-Jul-00
          100                   93.00000    3-Jul-00     7-Jul-00
                    5,000      88  3/16     3-Jul-00     7-Jul-00
                      200      87  5/8      3-Jul-00     7-Jul-00
          100                  86  5/8      3-Jul-00     7-Jul-00
          600                   86.07000    3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
        1,800                   86.70000    3-Jul-00     7-Jul-00
           50                  87  1/4      3-Jul-00     7-Jul-00
        1,700                  86  3/4      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          200                  86  3/8      3-Jul-00     7-Jul-00
        4,900                  86  1/4      3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
          100                   87.00000    3-Jul-00     7-Jul-00
          200                  86  2/4      3-Jul-00     7-Jul-00
          100                  87  1/16     3-Jul-00     7-Jul-00
          400                   83.79070    3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
          200                  89  7/8      3-Jul-00     7-Jul-00
                      100       83.00000    3-Jul-00     7-Jul-00
                      100      84  1/8      3-Jul-00     7-Jul-00
        2,000                   86.35000    3-Jul-00     7-Jul-00
                      100       87.71880    3-Jul-00     7-Jul-00
                      500      92  2/4      3-Jul-00     7-Jul-00
          200                  86  3/8      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
        1,000                  86  3/16     3-Jul-00     7-Jul-00
                      200      92  2/4      3-Jul-00     7-Jul-00
          200                  85  1/4      3-Jul-00     7-Jul-00
          500                  88  1/4      3-Jul-00     7-Jul-00
                      400      84  1/8      3-Jul-00     7-Jul-00
        1,085                  88  1/4      3-Jul-00     7-Jul-00
                    1,000       91.00000    3-Jul-00     7-Jul-00
        1,136                  89  3/8      3-Jul-00     7-Jul-00
          100                  87  3/4      3-Jul-00     7-Jul-00
                      105       86.95310    3-Jul-00     7-Jul-00
          100                  86  5/8      3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
            8                   89.00000    3-Jul-00     7-Jul-00
          200                  86  5/16     3-Jul-00     7-Jul-00
        2,500                  88  3/8      3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
          100                  89  7/8      3-Jul-00     7-Jul-00
        3,000                  87  1/8      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
        1,000                  86  1/4      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
          100                   86.35000    3-Jul-00     7-Jul-00
          200                   87.81250    3-Jul-00     7-Jul-00
        3,000                  87  1/4      3-Jul-00     7-Jul-00
          100                  89  7/8      3-Jul-00     7-Jul-00
        1,000                  86  1/4      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
                      100      86  5/8      3-Jul-00     7-Jul-00
          200                  88  1/8      3-Jul-00     7-Jul-00
          300                   86.93750    3-Jul-00     7-Jul-00
          100                  84  1/16     3-Jul-00     7-Jul-00
          500                  87  2/4      3-Jul-00     7-Jul-00
          100                  89  3/16     3-Jul-00     7-Jul-00
                       30       86.95310    3-Jul-00     7-Jul-00
          500                  88  1/8      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
          200                   87.00000    3-Jul-00     7-Jul-00
                    5,000       88.85000    3-Jul-00     7-Jul-00
          100                  86  1/4      3-Jul-00     7-Jul-00
          300                   83.79070    3-Jul-00     7-Jul-00
                    1,000      92  2/4      3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                    5,700      86  5/8      3-Jul-00     7-Jul-00
        1,200                  87  1/4      3-Jul-00     7-Jul-00
          200                   83.79070    3-Jul-00     7-Jul-00
          100                   86.00000    3-Jul-00     7-Jul-00
          500                  88  1/8      3-Jul-00     7-Jul-00
          500                   86.93750    3-Jul-00     7-Jul-00
          200                  89  3/8      3-Jul-00     7-Jul-00
          200                   88.00000    3-Jul-00     7-Jul-00
          800                  88  5/16     3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
                      200       84.01563    3-Jul-00     7-Jul-00
        1,000                   88.00000    3-Jul-00     7-Jul-00
        5,000                  86  5/8      3-Jul-00     7-Jul-00
        1,000                  89  7/8      3-Jul-00     7-Jul-00
          200                  92  7/16     3-Jul-00     7-Jul-00
          200                  87  7/16     3-Jul-00     7-Jul-00
          200                  89  3/8      3-Jul-00     7-Jul-00
        1,000                  87  1/4      3-Jul-00     7-Jul-00
           46                  89  1/8      3-Jul-00     7-Jul-00
          100                  86  3/4      3-Jul-00     7-Jul-00
                       80       86.95310    3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
                   10,000       86.90630    3-Jul-00     7-Jul-00
        3,600                  86  3/8      3-Jul-00     7-Jul-00
        1,000                  86  3/8      3-Jul-00     7-Jul-00
        5,000                  86  3/4      3-Jul-00     7-Jul-00
                      200       84.00000    3-Jul-00     7-Jul-00
                      700       84.00000    3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
                      500       87.56100    3-Jul-00     7-Jul-00
                   46,300       87.60520    3-Jul-00     7-Jul-00
        5,000                  86  5/8      3-Jul-00     7-Jul-00
          300                   88.00000    3-Jul-00     7-Jul-00
        1,000                  88  1/4      3-Jul-00     7-Jul-00
          500                  88  1/8      3-Jul-00     7-Jul-00
          200                  82  2/4      3-Jul-00     7-Jul-00
          300                   86.93750    3-Jul-00     7-Jul-00
          100                  86  3/8      3-Jul-00     7-Jul-00
        1,000                  88  1/4      3-Jul-00     7-Jul-00
          200                  86  5/16     3-Jul-00     7-Jul-00
                      600      86  5/8      3-Jul-00     7-Jul-00
        7,500                   86.93750    3-Jul-00     7-Jul-00
          200                  91  7/16     3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
          200                  88  5/16     3-Jul-00     7-Jul-00
          200                  86  1/4      3-Jul-00     7-Jul-00
                      100       87.00000    3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
        3,700                  87  1/4      3-Jul-00     7-Jul-00
                   19,320       86.95310    3-Jul-00     7-Jul-00
        1,500                   87.25830    3-Jul-00     7-Jul-00
          200                  88  1/8      3-Jul-00     7-Jul-00
                    1,000      92  2/4      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
        1,136                  89  3/8      3-Jul-00     7-Jul-00
        5,000                   88.00000    3-Jul-00     7-Jul-00
        2,500                   86.96000    3-Jul-00     7-Jul-00
          200                   84.00000    3-Jul-00     7-Jul-00
        1,250                   87.63000    3-Jul-00     7-Jul-00
          300                  88  5/16     3-Jul-00     7-Jul-00
          300                   86.93750    3-Jul-00     7-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                    4,500      86  5/8      3-Jul-00     7-Jul-00
          300                   83.79070    3-Jul-00     7-Jul-00
                      200      87  7/8      3-Jul-00     7-Jul-00
          500                   83.36000    3-Jul-00     7-Jul-00
          200                   86.25750    3-Jul-00     7-Jul-00
                      115       86.95310    3-Jul-00     7-Jul-00
          500                   86.93750    3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
          100                  84  5/16     3-Jul-00     7-Jul-00
        1,000                  86  3/4      3-Jul-00     7-Jul-00
                      100      92  2/4      3-Jul-00     7-Jul-00
          500                   88.00000    3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
          200                   87.00000    3-Jul-00     7-Jul-00
        1,600                   83.79070    3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
        7,500                  86  2/4      3-Jul-00     7-Jul-00
          200                  89  7/8      3-Jul-00     7-Jul-00
       11,700                   89.12610    3-Jul-00     7-Jul-00
          600                   88.01250    3-Jul-00     7-Jul-00
           50                  86  3/8      3-Jul-00     7-Jul-00
          500                  87  2/4      3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
          500                   86.35000    3-Jul-00     7-Jul-00
          453                  87  1/8      3-Jul-00     7-Jul-00
          300                   83.79070    3-Jul-00     7-Jul-00
          100                  86  1/4      3-Jul-00     7-Jul-00
          200                  89  1/8      3-Jul-00     7-Jul-00
          800                  85  1/4      3-Jul-00     7-Jul-00
        2,000                   87.54900    3-Jul-00     7-Jul-00
          100                  89  5/8      3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
          200                  87  1/4      3-Jul-00     7-Jul-00
          300                  88  1/4      3-Jul-00     7-Jul-00
          300                  84  7/8      3-Jul-00     7-Jul-00
                    3,500       83.00000    3-Jul-00     7-Jul-00
          100                  85  1/4      3-Jul-00     7-Jul-00
          200                   93.00000    3-Jul-00     7-Jul-00
          100                  87  1/4      3-Jul-00     7-Jul-00
          200                  86  3/8      3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
                   10,000       86.96880    3-Jul-00     7-Jul-00
          500                   93.00000    3-Jul-00     7-Jul-00
                       30       86.95310    3-Jul-00     7-Jul-00
          500                  88  1/8      3-Jul-00     7-Jul-00
          200                  86  1/4      3-Jul-00     7-Jul-00
        1,000                  86  3/8      3-Jul-00     7-Jul-00
                   15,000      86  5/8      3-Jul-00     7-Jul-00
          100                  86  3/16     3-Jul-00     7-Jul-00
          200                  91  7/16     3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
          200                   86.93750    3-Jul-00     7-Jul-00
          200                   89.00000    3-Jul-00     7-Jul-00
                    1,200      92  2/4      3-Jul-00     7-Jul-00
          500                   87.81250    3-Jul-00     7-Jul-00
                      100      87  1/16     3-Jul-00     7-Jul-00
          600                  82  2/4      3-Jul-00     7-Jul-00
          200                   87.81250    3-Jul-00     7-Jul-00
                      300      84  1/8      3-Jul-00     7-Jul-00
          100                  87  7/8      3-Jul-00     7-Jul-00
          200                   82.17250    3-Jul-00     7-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
        1,000                  87  1/4      3-Jul-00     7-Jul-00
          500                   93.00000    3-Jul-00     7-Jul-00
          200                  88  5/16     3-Jul-00     7-Jul-00
                   10,000       87.43130    3-Jul-00     7-Jul-00
                      200      92  2/4      3-Jul-00     7-Jul-00
          200                  88  1/8      3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
          200                  88  1/4      3-Jul-00     7-Jul-00
          200                   87.00000    3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
          400                  87  1/4      3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
        1,000                  88  5/16     3-Jul-00     7-Jul-00
                      200       83.00000    3-Jul-00     7-Jul-00
          300                   87.93750    3-Jul-00     7-Jul-00
        3,000                  87  1/4      3-Jul-00     7-Jul-00
        5,000                   86.93750    3-Jul-00     7-Jul-00
          300                   90.10000    3-Jul-00     7-Jul-00
          200                  89  5/8      3-Jul-00     7-Jul-00
          200                   87.81250    3-Jul-00     7-Jul-00
                      200      84  1/8      3-Jul-00     7-Jul-00
                      100      92  2/4      3-Jul-00     7-Jul-00
          100                   83.79070    3-Jul-00     7-Jul-00
                       75       86.95310    3-Jul-00     7-Jul-00
          200                  91  2/4      3-Jul-00     7-Jul-00
                    1,600      86  5/8      3-Jul-00     7-Jul-00
          200                   83.79070    3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
          100                  87  1/4      3-Jul-00     7-Jul-00
          600                  88  1/4      3-Jul-00     7-Jul-00
          150                   87.06000    3-Jul-00     7-Jul-00
                    1,000      88  7/16     3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
        2,400                   83.79070    3-Jul-00     7-Jul-00
          200                  89  3/8      3-Jul-00     7-Jul-00
          400                  86  2/4      3-Jul-00     7-Jul-00
                      800      86  5/8      3-Jul-00     7-Jul-00
          200                   86.68250    3-Jul-00     7-Jul-00
          100                   86.93750    3-Jul-00     7-Jul-00
        1,100                  86  1/4      3-Jul-00     7-Jul-00
          200                  87  1/4      3-Jul-00     7-Jul-00
          200                  85  1/4      3-Jul-00     7-Jul-00
           50                   89.00000    3-Jul-00     7-Jul-00
          200                   89.00000    3-Jul-00     7-Jul-00
          700                  87  1/4      3-Jul-00     7-Jul-00
          500                   86.79900    3-Jul-00     7-Jul-00
          200                  86  3/4      3-Jul-00     7-Jul-00
        1,000                  89  5/8      3-Jul-00     7-Jul-00
                      200       87.00000    3-Jul-00     7-Jul-00
        1,100                  89  3/8      3-Jul-00     7-Jul-00
          100                   86.35000    3-Jul-00     7-Jul-00
                      400      87  1/16     3-Jul-00     7-Jul-00
        9,800                  99  7/8      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
          900                  87  3/4      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
        1,400                   99.00000    5-Jul-00    10-Jul-00
          200                   87.47500    5-Jul-00    10-Jul-00
        1,500                  99  7/8      5-Jul-00    10-Jul-00
          500                  87  3/8      5-Jul-00    10-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          500                  87  3/4      5-Jul-00     10-Jul-00
          200                  98  1/4      5-Jul-00     10-Jul-00
                      500       96.78980    5-Jul-00     10-Jul-00
                    4,165       86.64580    5-Jul-00     10-Jul-00
           50                  94  5/8      5-Jul-00     10-Jul-00
          500                  95  1/16     5-Jul-00     10-Jul-00
        1,000                  96  3/4      5-Jul-00     10-Jul-00
        1,000                  87  7/8      5-Jul-00     10-Jul-00
                      400      95  2/4      5-Jul-00     10-Jul-00
          200                  86  7/8      5-Jul-00     10-Jul-00
          200                  86  3/8      5-Jul-00     10-Jul-00
        1,500                  94  3/16     5-Jul-00     10-Jul-00
                       30       86.64580    5-Jul-00     10-Jul-00
          200                  96  7/8      5-Jul-00     10-Jul-00
          100                  99  2/4      5-Jul-00     10-Jul-00
           50                  85  3/8      5-Jul-00     10-Jul-00
          300                  96  7/8      5-Jul-00     10-Jul-00
        3,700                   96.64063    5-Jul-00     10-Jul-00
          100                 101  1/8      5-Jul-00     10-Jul-00
          200                  93  5/8      5-Jul-00     10-Jul-00
                       10       86.64580    5-Jul-00     10-Jul-00
          100                  94  3/16     5-Jul-00     10-Jul-00
          200                  93  3/4      5-Jul-00     10-Jul-00
          100                  93  3/4      5-Jul-00     10-Jul-00
          100                  99  7/8      5-Jul-00     10-Jul-00
        1,000                  94  2/4      5-Jul-00     10-Jul-00
          200                  99  7/8      5-Jul-00     10-Jul-00
          100                  98  2/4      5-Jul-00     10-Jul-00
          100                  87  3/8      5-Jul-00     10-Jul-00
        3,000                  86  2/4      5-Jul-00     10-Jul-00
        1,000                  87  3/8      5-Jul-00     10-Jul-00
                      400     102  1/16     5-Jul-00     10-Jul-00
          300                  93  7/8      5-Jul-00     10-Jul-00
        1,000                   96.00000    5-Jul-00     10-Jul-00
                      200     103  1/16     5-Jul-00     10-Jul-00
          600                   97.00000    5-Jul-00     10-Jul-00
          200                   99.00000    5-Jul-00     10-Jul-00
          200                  95  5/8      5-Jul-00     10-Jul-00
          300                  87  3/8      5-Jul-00     10-Jul-00
                      200      97  1/4      5-Jul-00     10-Jul-00
          300                  87  3/8      5-Jul-00     10-Jul-00
          100                  96  7/8      5-Jul-00     10-Jul-00
          500                  95  5/8      5-Jul-00     10-Jul-00
          100                  93  7/8      5-Jul-00     10-Jul-00
          100                  94  5/8      5-Jul-00     10-Jul-00
          100                   97.00000    5-Jul-00     10-Jul-00
          100                  96  3/4      5-Jul-00     10-Jul-00
          500                 100  5/8      5-Jul-00     10-Jul-00
          200                   97.00000    5-Jul-00     10-Jul-00
          300                  92  3/4      5-Jul-00     10-Jul-00
          300                  95  7/8      5-Jul-00     10-Jul-00
          300                  93  3/4      5-Jul-00     10-Jul-00
          200                  99  7/8      5-Jul-00     10-Jul-00
          200                   89.00000    5-Jul-00     10-Jul-00
          200                  86  3/4      5-Jul-00     10-Jul-00
          200                  94  5/8      5-Jul-00     10-Jul-00
          200                  99  7/8      5-Jul-00     10-Jul-00
                      100     101  1/8      5-Jul-00     10-Jul-00
          200                  95  7/8      5-Jul-00     10-Jul-00
                   15,000      100.00000    5-Jul-00     10-Jul-00
                      100     102  1/16     5-Jul-00     10-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price      Trade Date  Settlement Date
--------------------------------------------------------------------------------

        2,000                  88  1/8      5-Jul-00       10-Jul-00
          100                  86  2/4      5-Jul-00       10-Jul-00
                      100     103  1/16     5-Jul-00       10-Jul-00
          200                   99.00000    5-Jul-00       10-Jul-00
        2,000                  102.22130    5-Jul-00       10-Jul-00
          200                  89  2/4      5-Jul-00       10-Jul-00
        1,500                  96  3/4      5-Jul-00       10-Jul-00
          100                   89.00000    5-Jul-00       10-Jul-00
          200                  86  3/8      5-Jul-00       10-Jul-00
                      200      95  2/4      5-Jul-00       10-Jul-00
          100                  95  5/8      5-Jul-00       10-Jul-00
          500                  96  5/8      5-Jul-00       10-Jul-00
          100                  99  5/8      5-Jul-00       10-Jul-00
                      200      95  2/4      5-Jul-00       10-Jul-00
                      500      100.00000    5-Jul-00       10-Jul-00
          200                  87  7/8      5-Jul-00       10-Jul-00
          500                  85  3/8      5-Jul-00       10-Jul-00
                      700      100.00000    5-Jul-00       10-Jul-00
          200                  98  1/16     5-Jul-00       10-Jul-00
          200                  95  5/8      5-Jul-00       10-Jul-00
                   25,000       95.77500    5-Jul-00       10-Jul-00
        1,000                  91  9/16     5-Jul-00       10-Jul-00
          100                  99  7/8      5-Jul-00       10-Jul-00
        1,000                  87  3/4      5-Jul-00       10-Jul-00
          700                   95.00000    5-Jul-00       10-Jul-00
          300                  98  3/8      5-Jul-00       10-Jul-00
          100                  91  1/8      5-Jul-00       10-Jul-00
          300                  95  7/8      5-Jul-00       10-Jul-00
          300                  94  3/16     5-Jul-00       10-Jul-00
          100                  86  3/4      5-Jul-00       10-Jul-00
          500                  95  7/8      5-Jul-00       10-Jul-00
        1,300                  87  3/8      5-Jul-00       10-Jul-00
          200                   97.00000    5-Jul-00       10-Jul-00
          400                   99.00000    5-Jul-00       10-Jul-00
          200                  99  7/8      5-Jul-00       10-Jul-00
          100                  86  3/8      5-Jul-00       10-Jul-00
          600                  95  5/8      5-Jul-00       10-Jul-00
          100                  99  2/4      5-Jul-00       10-Jul-00
          200                  87  3/4      5-Jul-00       10-Jul-00
          100                  95  1/16     5-Jul-00       10-Jul-00
          100                   97.00000    5-Jul-00       10-Jul-00
          200                  93  3/4      5-Jul-00       10-Jul-00
          200                   98.00000    5-Jul-00       10-Jul-00
          100                  96  7/8      5-Jul-00       10-Jul-00
          100                  94  2/4      5-Jul-00       10-Jul-00
          700                  90  3/8      5-Jul-00       10-Jul-00
          100                  99  2/4      5-Jul-00       10-Jul-00
          300                  87  3/8      5-Jul-00       10-Jul-00
          100                  99  2/4      5-Jul-00       10-Jul-00
          500                   95.00000    5-Jul-00       10-Jul-00
          200                  87  3/4      5-Jul-00       10-Jul-00
          600                  87  3/8      5-Jul-00       10-Jul-00
          400                  86  7/8      5-Jul-00       10-Jul-00
          700                  94  2/4      5-Jul-00       10-Jul-00
          100                  99  7/8      5-Jul-00       10-Jul-00
          100                   93.84375    5-Jul-00       10-Jul-00
          295                  93  2/4      5-Jul-00       10-Jul-00
          600                  99  7/8      5-Jul-00       10-Jul-00
          100                  94  3/8      5-Jul-00       10-Jul-00
          100                  87  3/4      5-Jul-00       10-Jul-00
                    1,000       99.00000    5-Jul-00       10-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


       Purchases      Sales       Price      Trade Date  Settlement Date
--------------------------------------------------------------------------------


         1,500                   96.00000    5-Jul-00      10-Jul-00
           200                  87  3/4      5-Jul-00      10-Jul-00
         1,000                  101.00000    5-Jul-00      10-Jul-00
         1,800                  87  2/4      5-Jul-00      10-Jul-00
           200                  95  5/8      5-Jul-00      10-Jul-00
           100                  89  3/8      5-Jul-00      10-Jul-00
         2,000                  86  2/4      5-Jul-00      10-Jul-00
                       100     103  3/8      5-Jul-00      10-Jul-00
           600                   93.00000    5-Jul-00      10-Jul-00
         1,200                   93.48438    5-Jul-00      10-Jul-00
           300                  86  3/8      5-Jul-00      10-Jul-00
           100                  93  3/4      5-Jul-00      10-Jul-00
                        10       86.64580    5-Jul-00      10-Jul-00
           100                  99  7/8      5-Jul-00      10-Jul-00
         3,000                   87.31500    5-Jul-00      10-Jul-00
           200                  101.00000    5-Jul-00      10-Jul-00
                       200     101  5/8      5-Jul-00      10-Jul-00
           500                  88  3/8      5-Jul-00      10-Jul-00
           500                   87.34000    5-Jul-00      10-Jul-00
                        20       86.64580    5-Jul-00      10-Jul-00
                     2,000      100.00000    5-Jul-00      10-Jul-00
         1,000                  95  7/8      5-Jul-00      10-Jul-00
           200                  95  7/16     5-Jul-00      10-Jul-00
         2,000                  86  2/4      5-Jul-00      10-Jul-00
           200                  87  3/4      5-Jul-00      10-Jul-00
           400                  94  3/16     5-Jul-00      10-Jul-00
           200                  87  3/8      5-Jul-00      10-Jul-00
                     2,400       96.78980    5-Jul-00      10-Jul-00
           400                  95  7/8      5-Jul-00      10-Jul-00
         1,400                   95.00000    5-Jul-00      10-Jul-00
           300                  95  5/8      5-Jul-00      10-Jul-00
           200                   98.00000    5-Jul-00      10-Jul-00
         1,700                  99  7/8      5-Jul-00      10-Jul-00
           100                   87.00000    5-Jul-00      10-Jul-00
           300                  94  2/4      5-Jul-00      10-Jul-00
           100                  94  5/8      5-Jul-00      10-Jul-00
           100                  96  5/8      5-Jul-00      10-Jul-00
                       200      95  2/4      5-Jul-00      10-Jul-00
           200                  87  3/4      5-Jul-00      10-Jul-00
           500                  86  3/4      5-Jul-00      10-Jul-00
           600                   95.82840    5-Jul-00      10-Jul-00
                    15,000       93.89580    5-Jul-00      10-Jul-00
           100                  86  3/8      5-Jul-00      10-Jul-00
           500                   97.00000    5-Jul-00      10-Jul-00
           100                   93.71875    5-Jul-00      10-Jul-00
           400                   95.82840    5-Jul-00      10-Jul-00
           200                  99  7/8      5-Jul-00      10-Jul-00
                       300     103  3/8      5-Jul-00      10-Jul-00
                    20,000       90.12190    5-Jul-00      10-Jul-00
            75                  95  7/8      5-Jul-00      10-Jul-00
                       200     101  1/8      5-Jul-00      10-Jul-00
           100                   93.00000    5-Jul-00      10-Jul-00
           200                   87.47500    5-Jul-00      10-Jul-00
                       100      95  2/4      5-Jul-00      10-Jul-00
           200                  96  5/8      5-Jul-00      10-Jul-00
           200                  99  7/8      5-Jul-00      10-Jul-00
                       300      95  2/4      5-Jul-00      10-Jul-00
           100                  102.00000    5-Jul-00      10-Jul-00
           100                  87  1/4      5-Jul-00      10-Jul-00
           200                  87  3/4      5-Jul-00      10-Jul-00
         1,000                  87  3/4      5-Jul-00      10-Jul-00

<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


       Purchases     Sales      Price       Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                  93  7/8      5-Jul-00      10-Jul-00
          200                  91  7/8      5-Jul-00      10-Jul-00
          200                  87  3/8      5-Jul-00      10-Jul-00
          100                  95  1/16     5-Jul-00      10-Jul-00
                       10       86.64580    5-Jul-00      10-Jul-00
       24,600                   95.82840    5-Jul-00      10-Jul-00
          100                  95  2/4      5-Jul-00      10-Jul-00
          300                  87  3/4      5-Jul-00      10-Jul-00
        1,000                   95.00000    5-Jul-00      10-Jul-00
        3,600                  99  7/8      5-Jul-00      10-Jul-00
                      100      96  5/8      5-Jul-00      10-Jul-00
                      100     103  1/16     5-Jul-00      10-Jul-00
          500                  87  3/8      5-Jul-00      10-Jul-00
          100                  96  3/4      5-Jul-00      10-Jul-00
                      170       86.64580    5-Jul-00      10-Jul-00
        1,000                  86  7/8      5-Jul-00      10-Jul-00
        5,000                  101.00000    5-Jul-00      10-Jul-00
          200                  96  7/8      5-Jul-00      10-Jul-00
        1,000                   97.00000    5-Jul-00      10-Jul-00
          100                  87  3/8      5-Jul-00      10-Jul-00
          300                  91  7/8      5-Jul-00      10-Jul-00
                      200      95  2/4      5-Jul-00      10-Jul-00
          200                   89.00000    5-Jul-00      10-Jul-00
          200                  95  5/8      5-Jul-00      10-Jul-00
          100                  87  7/8      5-Jul-00      10-Jul-00
                      100     103  1/16     5-Jul-00      10-Jul-00
          400                  87  3/8      5-Jul-00      10-Jul-00
          300                  87  3/4      5-Jul-00      10-Jul-00
          900                  99  7/8      5-Jul-00      10-Jul-00
        1,200                   93.48438    5-Jul-00      10-Jul-00
          100                   99.97920    5-Jul-00      10-Jul-00
                       10       86.64580    5-Jul-00      10-Jul-00
          400                  88  3/8      5-Jul-00      10-Jul-00
          100                  86  3/4      5-Jul-00      10-Jul-00
          100                  100.68750    5-Jul-00      10-Jul-00
          240                  87  3/4      5-Jul-00      10-Jul-00
          200                   89.00000    5-Jul-00      10-Jul-00
          100                   99.00000    5-Jul-00      10-Jul-00
          100                 101  1/8      5-Jul-00      10-Jul-00
          100                  95  5/8      5-Jul-00      10-Jul-00
          100                  89  2/4      5-Jul-00      10-Jul-00
          100                  95  1/16     5-Jul-00      10-Jul-00
          100                  91  1/4      5-Jul-00      10-Jul-00
          200                  99  7/8      5-Jul-00      10-Jul-00
                    7,300     100  2/4      5-Jul-00      10-Jul-00
        5,400                  86  3/4      5-Jul-00      10-Jul-00
          100                  99  2/4      5-Jul-00      10-Jul-00
                      800     102  1/4      5-Jul-00      10-Jul-00
          200                  95  5/8      5-Jul-00      10-Jul-00
          500                  87  3/4      5-Jul-00      10-Jul-00
           50                   93.68750    5-Jul-00      10-Jul-00
          100                  95  7/8      5-Jul-00      10-Jul-00
          500                 101  1/4      5-Jul-00      10-Jul-00
          200                  95  5/8      5-Jul-00      10-Jul-00
          100                   95.00000    5-Jul-00      10-Jul-00
                      400     103  1/16     5-Jul-00      10-Jul-00
          100                  95  7/8      5-Jul-00      10-Jul-00
                    1,000      100.00000    5-Jul-00      10-Jul-00
          200                  87  3/8      5-Jul-00      10-Jul-00
          100                  89  3/4      5-Jul-00      10-Jul-00
          200                  94  5/8      5-Jul-00      10-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price      Trade Date  Settlement Date
--------------------------------------------------------------------------------

          300                   93.74219    5-Jul-00      10-Jul-00
        2,000                   96.14063    5-Jul-00      10-Jul-00
          200                  87  3/4      5-Jul-00      10-Jul-00
          400                  95  2/4      5-Jul-00      10-Jul-00
          350                  87  2/4      5-Jul-00      10-Jul-00
                      200      95  2/4      5-Jul-00      10-Jul-00
          200                  95  5/8      5-Jul-00      10-Jul-00
          100                  88  3/8      5-Jul-00      10-Jul-00
          500                   87.09000    5-Jul-00      10-Jul-00
          370                   96.71875    5-Jul-00      10-Jul-00
          500                  87  3/8      5-Jul-00      10-Jul-00
          100                  89  2/4      5-Jul-00      10-Jul-00
          100                  93  7/8      5-Jul-00      10-Jul-00
                      100     102  1/16     5-Jul-00      10-Jul-00
          800                   95.82840    5-Jul-00      10-Jul-00
                       30       86.64580    5-Jul-00      10-Jul-00
        1,000                  87  3/4      5-Jul-00      10-Jul-00
                      200      97  1/4      5-Jul-00      10-Jul-00
          100                  93  9/16     5-Jul-00      10-Jul-00
          200                  99  7/8      5-Jul-00      10-Jul-00
          300                   87.47500    5-Jul-00      10-Jul-00
          100                  99  2/4      5-Jul-00      10-Jul-00
          100                  95  5/8      5-Jul-00      10-Jul-00
                    1,700      88  1/8      5-Jul-00      10-Jul-00
          400                  95  7/8      5-Jul-00      10-Jul-00
                       20       86.64580    5-Jul-00      10-Jul-00
          200                   98.42188    5-Jul-00      10-Jul-00
          200                  95  5/8      5-Jul-00      10-Jul-00
          250                 102  7/8      5-Jul-00      10-Jul-00
          100                   97.00000    5-Jul-00      10-Jul-00
          900                  86  7/8      5-Jul-00      10-Jul-00
          600                  94  2/4      5-Jul-00      10-Jul-00
          200                  93  7/8      5-Jul-00      10-Jul-00
        1,000                  87  3/4      5-Jul-00      10-Jul-00
        5,000                  101.14063    5-Jul-00      10-Jul-00
          100                   98.48438    5-Jul-00      10-Jul-00
          500                  95  5/8      5-Jul-00      10-Jul-00
          200                  99  7/8      5-Jul-00      10-Jul-00
                    5,000      87  7/16     5-Jul-00      10-Jul-00
                    2,050       86.64580    5-Jul-00      10-Jul-00
                      200      95  2/4      5-Jul-00      10-Jul-00
          100                  87  3/8      5-Jul-00      10-Jul-00
                      200     101  1/8      5-Jul-00      10-Jul-00
          400                  87  7/8      5-Jul-00      10-Jul-00
                      200     103  1/16     5-Jul-00      10-Jul-00
          200                  86  3/4      5-Jul-00      10-Jul-00
                      600     102  1/4      5-Jul-00      10-Jul-00
        3,000                   96.64063    5-Jul-00      10-Jul-00
          100                  86  3/8      5-Jul-00      10-Jul-00
          200                  87  3/8      5-Jul-00      10-Jul-00
          100                   89.00000    5-Jul-00      10-Jul-00
          200                   97.00000    5-Jul-00      10-Jul-00
          100                   90.00000    5-Jul-00      10-Jul-00
                      300     100  7/8      5-Jul-00      10-Jul-00
          400                  98  7/16     5-Jul-00      10-Jul-00
                      100     103  3/8      5-Jul-00      10-Jul-00
          200                  99  7/8      5-Jul-00      10-Jul-00
          600                  94  5/8      5-Jul-00      10-Jul-00
          100                  93  3/4      5-Jul-00      10-Jul-00
          200                  95  2/4      5-Jul-00      10-Jul-00
                      900       96.78980    5-Jul-00      10-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>          <C>         <C>         <C>         <C>
          200                  87  3/4      5-Jul-00    10-Jul-00
        1,200                  96  5/8      5-Jul-00    10-Jul-00
          500                  94  5/8      5-Jul-00    10-Jul-00
          300                  93  7/8      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
          500                  86  7/8      5-Jul-00    10-Jul-00
          100                  95  2/4      5-Jul-00    10-Jul-00
                   15,000       86.94250    5-Jul-00    10-Jul-00
          200                  91  7/8      5-Jul-00    10-Jul-00
          100                  86  3/8      5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          250                  86  3/8      5-Jul-00    10-Jul-00
          900                   96.00000    5-Jul-00    10-Jul-00
        1,000                  87  3/8      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
          200                  93  7/8      5-Jul-00    10-Jul-00
          100                  93  3/4      5-Jul-00    10-Jul-00
          500                   87.09000    5-Jul-00    10-Jul-00
           20                  99  7/8      5-Jul-00    10-Jul-00
          100                  86  2/4      5-Jul-00    10-Jul-00
          300                  95  1/16     5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
          600                 101  7/8      5-Jul-00    10-Jul-00
        1,200                  87  3/8      5-Jul-00    10-Jul-00
        1,000                  86  7/8      5-Jul-00    10-Jul-00
          200                  95  3/8      5-Jul-00    10-Jul-00
        1,000                   95.82840    5-Jul-00    10-Jul-00
                      500       96.45450    5-Jul-00    10-Jul-00
          200                  94  3/16     5-Jul-00    10-Jul-00
        8,400                  87  3/8      5-Jul-00    10-Jul-00
          100                   97.00000    5-Jul-00    10-Jul-00
          500                  97  1/4      5-Jul-00    10-Jul-00
                      100      97  1/4      5-Jul-00    10-Jul-00
          200                   93.00000    5-Jul-00    10-Jul-00
        1,000                  87  3/4      5-Jul-00    10-Jul-00
          250                   94.00000    5-Jul-00    10-Jul-00
          200                  87  7/8      5-Jul-00    10-Jul-00
          300                  94  5/8      5-Jul-00    10-Jul-00
          200                   93.73438    5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
       25,100                  99  7/8      5-Jul-00    10-Jul-00
          200                  86  3/4      5-Jul-00    10-Jul-00
        1,100                 101  1/8      5-Jul-00    10-Jul-00
          500                  94  2/4      5-Jul-00    10-Jul-00
          600                  87  3/4      5-Jul-00    10-Jul-00
          100                  87  3/8      5-Jul-00    10-Jul-00
          300                  93  7/8      5-Jul-00    10-Jul-00
          100                   97.00000    5-Jul-00    10-Jul-00
          100                 101  1/8      5-Jul-00    10-Jul-00
                       10       86.64580    5-Jul-00    10-Jul-00
                      100     102  1/16     5-Jul-00    10-Jul-00
          900                  99  2/4      5-Jul-00    10-Jul-00
                      200     100  3/8      5-Jul-00    10-Jul-00
          600                  97  1/4      5-Jul-00    10-Jul-00
          200                  86  3/4      5-Jul-00    10-Jul-00
        1,200                  86  7/8      5-Jul-00    10-Jul-00
                      100      96  1/16     5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>          <C>         <C>         <C>         <C>
                       45       86.64580    5-Jul-00    10-Jul-00
                      200      101.93750    5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          500                  93  5/8      5-Jul-00    10-Jul-00
           40                   97.00000    5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
                      200     101  1/8      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          500                  100.73438    5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          100                   96.81250    5-Jul-00    10-Jul-00
                      200      97  1/4      5-Jul-00    10-Jul-00
        4,100                   94.00000    5-Jul-00    10-Jul-00
        1,000                  87  3/4      5-Jul-00    10-Jul-00
                      500     100  3/8      5-Jul-00    10-Jul-00
          500                  88  3/8      5-Jul-00    10-Jul-00
          200                  86  2/4      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
        4,200                  87  3/8      5-Jul-00    10-Jul-00
          100                  87  3/8      5-Jul-00    10-Jul-00
          100                   87.00000    5-Jul-00    10-Jul-00
          100                  98  3/16     5-Jul-00    10-Jul-00
                      100     102  1/16     5-Jul-00    10-Jul-00
           35                  86  7/8      5-Jul-00    10-Jul-00
          200                  93  3/4      5-Jul-00    10-Jul-00
        2,500                  99  7/8      5-Jul-00    10-Jul-00
          100                  94  5/8      5-Jul-00    10-Jul-00
          100                  95  7/8      5-Jul-00    10-Jul-00
          400                  91  2/4      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          125                  94  5/8      5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
                       15       86.64580    5-Jul-00    10-Jul-00
          200                  95  1/4      5-Jul-00    10-Jul-00
          100                   95.82840    5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
        1,200                  86  3/4      5-Jul-00    10-Jul-00
          800                  87  3/4      5-Jul-00    10-Jul-00
          100                  86  3/8      5-Jul-00    10-Jul-00
          200                   93.81250    5-Jul-00    10-Jul-00
          425                  94  5/8      5-Jul-00    10-Jul-00
          100                  95  7/8      5-Jul-00    10-Jul-00
          200                  93  7/8      5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
          200                   95.00000    5-Jul-00    10-Jul-00
          200                  94  2/4      5-Jul-00    10-Jul-00
           99                  87  3/4      5-Jul-00    10-Jul-00
          300                   95.00000    5-Jul-00    10-Jul-00
          300                   99.00000    5-Jul-00    10-Jul-00
          100                  86  3/8      5-Jul-00    10-Jul-00
          100                  98  3/16     5-Jul-00    10-Jul-00
          700                   89.00000    5-Jul-00    10-Jul-00
                      125      97  7/8      5-Jul-00    10-Jul-00
          100                 101  1/8      5-Jul-00    10-Jul-00
        1,000                  86  7/8      5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
                    7,240       86.64580    5-Jul-00    10-Jul-00
                   42,600     100  2/4      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
          300                  87  3/8      5-Jul-00    10-Jul-00
          200                   93.71875    5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>          <C>         <C>         <C>         <C>
          300                   97.00000    5-Jul-00    10-Jul-00
                    1,600       96.78980    5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
                      300      97  1/4      5-Jul-00    10-Jul-00
          300                   86.70000    5-Jul-00    10-Jul-00
          200                   93.00000    5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
          105                  93  2/4      5-Jul-00    10-Jul-00
          200                   95.00000    5-Jul-00    10-Jul-00
          600                   91.00000    5-Jul-00    10-Jul-00
          300                  95  2/4      5-Jul-00    10-Jul-00
          400                  87  3/8      5-Jul-00    10-Jul-00
          900                  96  5/8      5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
        1,200                  95  7/8      5-Jul-00    10-Jul-00
          200                  91  7/8      5-Jul-00    10-Jul-00
        7,500                 101  7/16     5-Jul-00    10-Jul-00
          200                   96.81250    5-Jul-00    10-Jul-00
          500                  95  1/16     5-Jul-00    10-Jul-00
          500                 101  1/8      5-Jul-00    10-Jul-00
          800                  99  7/8      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
          600                  87  3/8      5-Jul-00    10-Jul-00
        1,200                  94  1/8      5-Jul-00    10-Jul-00
          300                  93  7/8      5-Jul-00    10-Jul-00
          200                   92.81250    5-Jul-00    10-Jul-00
          200                  87  2/4      5-Jul-00    10-Jul-00
          500                  87  3/4      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          100                  93  5/8      5-Jul-00    10-Jul-00
          100                  102.00000    5-Jul-00    10-Jul-00
          200                  86  3/4      5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
        2,000                  87  3/4      5-Jul-00    10-Jul-00
          100                  88  3/4      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          200                   95.00000    5-Jul-00    10-Jul-00
          300                   86.76563    5-Jul-00    10-Jul-00
                      200     102  1/4      5-Jul-00    10-Jul-00
        1,200                  99  7/8      5-Jul-00    10-Jul-00
          500                 101  1/4      5-Jul-00    10-Jul-00
        1,200                  94  5/8      5-Jul-00    10-Jul-00
        1,000                  91  7/8      5-Jul-00    10-Jul-00
          200                  95  7/8      5-Jul-00    10-Jul-00
                      100     103  1/16     5-Jul-00    10-Jul-00
          100                 100  3/4      5-Jul-00    10-Jul-00
          100                  92  3/4      5-Jul-00    10-Jul-00
        1,900                  88  1/8      5-Jul-00    10-Jul-00
          500                   98.98438    5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          300                  86  3/8      5-Jul-00    10-Jul-00
          150                   87.41660    5-Jul-00    10-Jul-00
          200                 101  1/8      5-Jul-00    10-Jul-00
          100                  95  1/16     5-Jul-00    10-Jul-00
                       15       86.64580    5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          300                  99  7/8      5-Jul-00    10-Jul-00
          500                  95  1/16     5-Jul-00    10-Jul-00
                      500      100.00000    5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>          <C>         <C>         <C>         <C>
          400                  87  3/4      5-Jul-00    10-Jul-00
        1,200                  87  3/8      5-Jul-00    10-Jul-00
          500                   96.68750    5-Jul-00    10-Jul-00
          200                 101  1/8      5-Jul-00    10-Jul-00
          200                  94  5/8      5-Jul-00    10-Jul-00
          400                  99  3/4      5-Jul-00    10-Jul-00
          100                   94.00000    5-Jul-00    10-Jul-00
          150                   93.68750    5-Jul-00    10-Jul-00
          200                  86  3/4      5-Jul-00    10-Jul-00
          200                   96.81250    5-Jul-00    10-Jul-00
          900                  91  2/4      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          800                 101  7/8      5-Jul-00    10-Jul-00
        1,000                   93.48438    5-Jul-00    10-Jul-00
          200                  93  7/8      5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
          200                   97.00000    5-Jul-00    10-Jul-00
                   37,200       88.80580    5-Jul-00    10-Jul-00
        1,000                  86  7/8      5-Jul-00    10-Jul-00
          100                  96  7/8      5-Jul-00    10-Jul-00
          800                  99  7/8      5-Jul-00    10-Jul-00
          500                  87  7/8      5-Jul-00    10-Jul-00
          900                  87  3/8      5-Jul-00    10-Jul-00
          200                   95.00000    5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
          100                  99  7/8      5-Jul-00    10-Jul-00
          200                   95.00000    5-Jul-00    10-Jul-00
        2,500                  87  3/8      5-Jul-00    10-Jul-00
          200                  101.00000    5-Jul-00    10-Jul-00
          200                   96.81250    5-Jul-00    10-Jul-00
                      300      95  2/4      5-Jul-00    10-Jul-00
          200                  95  7/8      5-Jul-00    10-Jul-00
          200                  95  2/4      5-Jul-00    10-Jul-00
          200                  94  2/4      5-Jul-00    10-Jul-00
                      200      99  5/8      5-Jul-00    10-Jul-00
          200                 101  1/8      5-Jul-00    10-Jul-00
          500                   94.00000    5-Jul-00    10-Jul-00
        2,900                  99  7/8      5-Jul-00    10-Jul-00
          200                 100  7/8      5-Jul-00    10-Jul-00
          100                  87  3/8      5-Jul-00    10-Jul-00
          200                  93  7/8      5-Jul-00    10-Jul-00
          650                   99.97920    5-Jul-00    10-Jul-00
        1,200                  86  3/4      5-Jul-00    10-Jul-00
                      300     103  3/8      5-Jul-00    10-Jul-00
                       10       86.64580    5-Jul-00    10-Jul-00
                    5,000       96.45450    5-Jul-00    10-Jul-00
        1,400                  86  7/8      5-Jul-00    10-Jul-00
        1,200                  87  3/8      5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
                   10,000       86.94250    5-Jul-00    10-Jul-00
          500                   97.00000    5-Jul-00    10-Jul-00
          100                  93  7/8      5-Jul-00    10-Jul-00
        5,000                  102.00000    5-Jul-00    10-Jul-00
        1,500                  99  7/8      5-Jul-00    10-Jul-00
          200                  95  7/8      5-Jul-00    10-Jul-00
          100                   97.00000    5-Jul-00    10-Jul-00
       10,000                  96  1/8      5-Jul-00    10-Jul-00
          100                  86  3/4      5-Jul-00    10-Jul-00
        1,200                  86  3/4      5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>          <C>         <C>         <C>         <C>
          100                  99  7/8      5-Jul-00    10-Jul-00
        5,500                  86  2/4      5-Jul-00    10-Jul-00
          100                   99.00000    5-Jul-00    10-Jul-00
          100                  94  2/4      5-Jul-00    10-Jul-00
        1,200                  87  3/8      5-Jul-00    10-Jul-00
          100                   93.00000    5-Jul-00    10-Jul-00
          100                  92  7/8      5-Jul-00    10-Jul-00
          100                   97.00000    5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
                      200       93.00000    5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
          500                   95.00000    5-Jul-00    10-Jul-00
          350                  87  2/4      5-Jul-00    10-Jul-00
          300                  96  5/8      5-Jul-00    10-Jul-00
          200                   95.00000    5-Jul-00    10-Jul-00
          200                  86  3/8      5-Jul-00    10-Jul-00
                       40       86.64580    5-Jul-00    10-Jul-00
        1,800                   86.89063    5-Jul-00    10-Jul-00
          200                   97.00000    5-Jul-00    10-Jul-00
          100                  99  7/8      5-Jul-00    10-Jul-00
        1,000                   89.00000    5-Jul-00    10-Jul-00
                      300      95  2/4      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
                      100     103  1/16     5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
        1,200                  96  5/8      5-Jul-00    10-Jul-00
          700                  87  3/4      5-Jul-00    10-Jul-00
          700                   95.82840    5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
           99                  87  3/4      5-Jul-00    10-Jul-00
          100                   90.93750    5-Jul-00    10-Jul-00
                      300      97  1/4      5-Jul-00    10-Jul-00
           13                  86  3/4      5-Jul-00    10-Jul-00
          425                  94  5/8      5-Jul-00    10-Jul-00
          500                   97.00000    5-Jul-00    10-Jul-00
          300                   86.81250    5-Jul-00    10-Jul-00
                    6,195      97  7/8      5-Jul-00    10-Jul-00
                    4,525      97  7/8      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          200                  100.00000    5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
          500                  91  7/8      5-Jul-00    10-Jul-00
                      200      88  3/8      5-Jul-00    10-Jul-00
          500                  87  3/4      5-Jul-00    10-Jul-00
        1,400                  99  7/8      5-Jul-00    10-Jul-00
                      100     100  3/8      5-Jul-00    10-Jul-00
        2,000                  87  3/4      5-Jul-00    10-Jul-00
                       10       86.64580    5-Jul-00    10-Jul-00
          200                  90  7/8      5-Jul-00    10-Jul-00
          100                  93  3/4      5-Jul-00    10-Jul-00
          100                  98  2/4      5-Jul-00    10-Jul-00
          200                   87.47500    5-Jul-00    10-Jul-00
          100                  87  3/8      5-Jul-00    10-Jul-00
          100                  93  3/4      5-Jul-00    10-Jul-00
          160                   97.00000    5-Jul-00    10-Jul-00
          100                  99  7/8      5-Jul-00    10-Jul-00
                       35       86.64580    5-Jul-00    10-Jul-00
          100                  101.00000    5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          500                  95  7/16     5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>         <C>         <C>          <C>         <C>
          200                  87  3/8      5-Jul-00    10-Jul-00
          200                  86  3/8      5-Jul-00    10-Jul-00
                      100      96  3/8      5-Jul-00    10-Jul-00
          100                  93  2/4      5-Jul-00    10-Jul-00
          200                  95  1/4      5-Jul-00    10-Jul-00
           46                  99  7/8      5-Jul-00    10-Jul-00
          100                  87  3/4      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          100                   99.00000    5-Jul-00    10-Jul-00
          300                  102.00000    5-Jul-00    10-Jul-00
           50                  93  3/4      5-Jul-00    10-Jul-00
        1,000                 101  1/8      5-Jul-00    10-Jul-00
                      100      97  1/4      5-Jul-00    10-Jul-00
                      200     100  1/16     5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          100                 101  7/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
                      200     100  7/8      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
        1,500                  96  1/4      5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
                    1,000      95  2/4      5-Jul-00    10-Jul-00
          700                  98  3/8      5-Jul-00    10-Jul-00
        5,000                  97  3/4      5-Jul-00    10-Jul-00
                       10       86.64580    5-Jul-00    10-Jul-00
          600                  96  3/4      5-Jul-00    10-Jul-00
           99                  87  3/4      5-Jul-00    10-Jul-00
          400                  94  2/4      5-Jul-00    10-Jul-00
          300                  88  3/8      5-Jul-00    10-Jul-00
        1,600                  86  2/4      5-Jul-00    10-Jul-00
          100                  86  3/8      5-Jul-00    10-Jul-00
                      100       90.00000    5-Jul-00    10-Jul-00
          670                   96.59375    5-Jul-00    10-Jul-00
           20                  95  7/8      5-Jul-00    10-Jul-00
          300                  98  1/16     5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          200                   91.14000    5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
        3,600                   86.39063    5-Jul-00    10-Jul-00
          400                  88  1/8      5-Jul-00    10-Jul-00
          100                  87  3/4      5-Jul-00    10-Jul-00
          600                   98.42188    5-Jul-00    10-Jul-00
       11,500                  100.00000    5-Jul-00    10-Jul-00
          200                  95  5/16     5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          100                  87  3/4      5-Jul-00    10-Jul-00
          100                  86  7/8      5-Jul-00    10-Jul-00
                      100     103  3/8      5-Jul-00    10-Jul-00
        1,000                  94  2/4      5-Jul-00    10-Jul-00
                  113,700       96.78980    5-Jul-00    10-Jul-00
                    4,000       94.00000    5-Jul-00    10-Jul-00
                      190       86.64580    5-Jul-00    10-Jul-00
          300                  90  3/8      5-Jul-00    10-Jul-00
                       10       86.64580    5-Jul-00    10-Jul-00
          200                  96  1/4      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          500                  88  3/8      5-Jul-00    10-Jul-00
          500                  96  5/8      5-Jul-00    10-Jul-00
          400                  94  3/16     5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>         <C>         <C>          <C>         <C>
                      200      95  2/4      5-Jul-00    10-Jul-00
                      200       86.64580    5-Jul-00    10-Jul-00
          500                  87  7/8      5-Jul-00    10-Jul-00
          200                  96  7/8      5-Jul-00    10-Jul-00
        3,700                   96.00000    5-Jul-00    10-Jul-00
          100                  86  3/4      5-Jul-00    10-Jul-00
                       10       86.64580    5-Jul-00    10-Jul-00
        1,200                  86  7/8      5-Jul-00    10-Jul-00
          600                  87  3/4      5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
          200                  86  2/4      5-Jul-00    10-Jul-00
       15,500                   99.00000    5-Jul-00    10-Jul-00
          200                   99.00000    5-Jul-00    10-Jul-00
        2,300                  99  7/8      5-Jul-00    10-Jul-00
          100                  86  3/8      5-Jul-00    10-Jul-00
                       15       86.64580    5-Jul-00    10-Jul-00
                      200       99.00000    5-Jul-00    10-Jul-00
          500                  87  7/8      5-Jul-00    10-Jul-00
          250                  93  2/4      5-Jul-00    10-Jul-00
          400                  99  3/4      5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
          400                  95  1/16     5-Jul-00    10-Jul-00
          100                  94  2/4      5-Jul-00    10-Jul-00
          100                  99  7/8      5-Jul-00    10-Jul-00
                      300     103  3/8      5-Jul-00    10-Jul-00
          100                  101.00000    5-Jul-00    10-Jul-00
          100                  98  3/8      5-Jul-00    10-Jul-00
                      470       86.64580    5-Jul-00    10-Jul-00
        2,200                  86  3/8      5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          200                  89  3/8      5-Jul-00    10-Jul-00
          700                  87  3/8      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
          250                   89.00000    5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          500                   96.00000    5-Jul-00    10-Jul-00
          100                   93.68750    5-Jul-00    10-Jul-00
                    1,025      97  7/8      5-Jul-00    10-Jul-00
                      900     100  7/8      5-Jul-00    10-Jul-00
          100                   99.00000    5-Jul-00    10-Jul-00
          400                  87  3/8      5-Jul-00    10-Jul-00
          100                  93  9/16     5-Jul-00    10-Jul-00
          400                  95  1/16     5-Jul-00    10-Jul-00
          100                  95  1/16     5-Jul-00    10-Jul-00
          200                  102.46250    5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
                        5       86.64580    5-Jul-00    10-Jul-00
          200                  93  3/4      5-Jul-00    10-Jul-00
        5,000                  86  7/8      5-Jul-00    10-Jul-00
          100                   96.00000    5-Jul-00    10-Jul-00
        1,000                  96  3/4      5-Jul-00    10-Jul-00
          800                   95.82840    5-Jul-00    10-Jul-00
          200                   90.93750    5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
        1,400                  94  5/8      5-Jul-00    10-Jul-00
          100                  94  3/16     5-Jul-00    10-Jul-00
          100                   95.00000    5-Jul-00    10-Jul-00
          100                  86  7/8      5-Jul-00    10-Jul-00
                      200     102  1/16     5-Jul-00    10-Jul-00
          500                  95  7/8      5-Jul-00    10-Jul-00
       15,000                  87  3/8      5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>         <C>         <C>          <C>         <C>
          400                  95  5/8      5-Jul-00    10-Jul-00
           50                   99.97920    5-Jul-00    10-Jul-00
                    2,000       96.00000    5-Jul-00    10-Jul-00
                      200     103  1/16     5-Jul-00    10-Jul-00
          300                  99  7/8      5-Jul-00    10-Jul-00
        1,000                 101  1/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          500                  86  7/8      5-Jul-00    10-Jul-00
          508                  87  3/4      5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
                    1,000      95  2/4      5-Jul-00    10-Jul-00
          200                  98  1/4      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
        1,000                   95.32500    5-Jul-00    10-Jul-00
                      200     101  1/8      5-Jul-00    10-Jul-00
          500                  93  3/4      5-Jul-00    10-Jul-00
          300                  87  3/8      5-Jul-00    10-Jul-00
                      200       90.00000    5-Jul-00    10-Jul-00
        3,900                 100  2/4      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          100                  95  1/16     5-Jul-00    10-Jul-00
                      200     102  1/4      5-Jul-00    10-Jul-00
          200                   92.98438    5-Jul-00    10-Jul-00
          300                  87  3/8      5-Jul-00    10-Jul-00
          100                   96.93750    5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
          100                  94  5/8      5-Jul-00    10-Jul-00
          300                  94  2/4      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
                      200     101  1/8      5-Jul-00    10-Jul-00
          100                  99  7/8      5-Jul-00    10-Jul-00
          200                   97.00000    5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
                      100     103  1/16     5-Jul-00    10-Jul-00
          500                  87  3/4      5-Jul-00    10-Jul-00
          100                  87  3/8      5-Jul-00    10-Jul-00
          100                  87  3/4      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          300                  98  1/4      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          100                   93.71875    5-Jul-00    10-Jul-00
          100                   97.00000    5-Jul-00    10-Jul-00
                       15       86.64580    5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
          100                  101.00000    5-Jul-00    10-Jul-00
           50                   99.97920    5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          100                  95  7/8      5-Jul-00    10-Jul-00
        2,000                  99  7/8      5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
                      200      97  1/4      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          300                  99  2/4      5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
                   10,630      97  7/8      5-Jul-00    10-Jul-00
                      200     103  1/16     5-Jul-00    10-Jul-00
                      200     100  7/8      5-Jul-00    10-Jul-00
          400                  95  1/16     5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>         <C>         <C>          <C>         <C>
          100                   93.73438    5-Jul-00    10-Jul-00
          300                  86  3/8      5-Jul-00    10-Jul-00
          100                  90  5/8      5-Jul-00    10-Jul-00
                      600     100  7/8      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          400                  102.00000    5-Jul-00    10-Jul-00
          900                   95.00000    5-Jul-00    10-Jul-00
        1,000                  86  3/8      5-Jul-00    10-Jul-00
                      100      95  2/4      5-Jul-00    10-Jul-00
        1,500                  86  7/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          600                   97.00000    5-Jul-00    10-Jul-00
          200                  93  1/4      5-Jul-00    10-Jul-00
          300                  95  3/16     5-Jul-00    10-Jul-00
        1,000                  87  3/8      5-Jul-00    10-Jul-00
          100                  95  5/8      5-Jul-00    10-Jul-00
                       20       86.64580    5-Jul-00    10-Jul-00
          100                   90.98438    5-Jul-00    10-Jul-00
          900                  98  7/16     5-Jul-00    10-Jul-00
        1,000                  86  7/8      5-Jul-00    10-Jul-00
          500                   90.81250    5-Jul-00    10-Jul-00
          500                  93  2/4      5-Jul-00    10-Jul-00
          200                  94  1/8      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          100                  91  2/4      5-Jul-00    10-Jul-00
          100                  86  7/8      5-Jul-00    10-Jul-00
                      200      97  1/4      5-Jul-00    10-Jul-00
                      100      95  2/4      5-Jul-00    10-Jul-00
        1,000                  87  3/4      5-Jul-00    10-Jul-00
        1,100                  94  3/8      5-Jul-00    10-Jul-00
          500                   96.14063    5-Jul-00    10-Jul-00
          900                  96  5/8      5-Jul-00    10-Jul-00
                      200     101  1/8      5-Jul-00    10-Jul-00
          300                  87  3/8      5-Jul-00    10-Jul-00
        1,000                   94.00000    5-Jul-00    10-Jul-00
          100                  89  2/4      5-Jul-00    10-Jul-00
          400                  87  7/8      5-Jul-00    10-Jul-00
        1,000                   97.00000    5-Jul-00    10-Jul-00
                      800      95  2/4      5-Jul-00    10-Jul-00
          400                   95.82840    5-Jul-00    10-Jul-00
          400                   95.82840    5-Jul-00    10-Jul-00
        2,200                   96.68750    5-Jul-00    10-Jul-00
        2,600                  86  7/8      5-Jul-00    10-Jul-00
          100                 101  1/8      5-Jul-00    10-Jul-00
        1,250                   87.31750    5-Jul-00    10-Jul-00
        1,200                  87  3/4      5-Jul-00    10-Jul-00
          500                   87.34000    5-Jul-00    10-Jul-00
          200                  93  2/4      5-Jul-00    10-Jul-00
          200                  102.00000    5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
          470                   98.96875    5-Jul-00    10-Jul-00
          100                  93  5/8      5-Jul-00    10-Jul-00
          100                  99  2/4      5-Jul-00    10-Jul-00
          500                  95  5/8      5-Jul-00    10-Jul-00
                      300     102  1/16     5-Jul-00    10-Jul-00
          100                  102.00000    5-Jul-00    10-Jul-00
                      100      100.00000    5-Jul-00    10-Jul-00
        2,000                  94  5/8      5-Jul-00    10-Jul-00
          200                  93  9/16     5-Jul-00    10-Jul-00
          400                  87  3/4      5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
      <S>         <C>         <C>          <C>         <C>
          900                   94.00000    5-Jul-00    10-Jul-00
          400                  95  7/16     5-Jul-00    10-Jul-00
          200                  98  2/4      5-Jul-00    10-Jul-00
          100                  86  7/8      5-Jul-00    10-Jul-00
        2,000                  99  7/8      5-Jul-00    10-Jul-00
          500                  95  5/8      5-Jul-00    10-Jul-00
          100                  93  7/16     5-Jul-00    10-Jul-00
                      200       86.81250    5-Jul-00    10-Jul-00
          300                  99  7/8      5-Jul-00    10-Jul-00
          300                  95  1/16     5-Jul-00    10-Jul-00
                    4,600       86.81250    5-Jul-00    10-Jul-00
          500                  86  7/8      5-Jul-00    10-Jul-00
                      100      97  2/4      5-Jul-00    10-Jul-00
          200                  86  7/8      5-Jul-00    10-Jul-00
                      100     100  7/8      5-Jul-00    10-Jul-00
        3,700                  94  9/16     5-Jul-00    10-Jul-00
          200                  94  2/4      5-Jul-00    10-Jul-00
          700                 101  1/8      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
           50                  95  3/8      5-Jul-00    10-Jul-00
                       35       86.64580    5-Jul-00    10-Jul-00
          100                  99  1/8      5-Jul-00    10-Jul-00
          400                  101.84375    5-Jul-00    10-Jul-00
                      200     102  9/16     5-Jul-00    10-Jul-00
          400                  94  5/8      5-Jul-00    10-Jul-00
          100                  95  7/8      5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          600                  87  3/4      5-Jul-00    10-Jul-00
          400                  87  3/8      5-Jul-00    10-Jul-00
        1,000                  86  2/4      5-Jul-00    10-Jul-00
                      200     103  1/16     5-Jul-00    10-Jul-00
          400                   99.00000    5-Jul-00    10-Jul-00
        5,000                  86  3/4      5-Jul-00    10-Jul-00
          100                  94  2/4      5-Jul-00    10-Jul-00
        5,000                   87.00000    5-Jul-00    10-Jul-00
          100                  99  5/8      5-Jul-00    10-Jul-00
          100                  102.00000    5-Jul-00    10-Jul-00
          200                   98.00000    5-Jul-00    10-Jul-00
          200                 101  1/8      5-Jul-00    10-Jul-00
                      100     103  3/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          800                  96  5/8      5-Jul-00    10-Jul-00
                       25       86.64580    5-Jul-00    10-Jul-00
          400                  87  3/8      5-Jul-00    10-Jul-00
                    2,500      87  7/8      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
          200                 101  1/8      5-Jul-00    10-Jul-00
          500                   95.00000    5-Jul-00    10-Jul-00
          600                  90  3/8      5-Jul-00    10-Jul-00
        3,700                  101.14063    5-Jul-00    10-Jul-00
                      100     100  7/8      5-Jul-00    10-Jul-00
        4,700                  87  3/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          800                  101.01563    5-Jul-00    10-Jul-00
          100                  94  7/16     5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          300                   96.56000    5-Jul-00    10-Jul-00
          800                   96.00000    5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>        <C>          <C>         <C>
        4,900                  87  3/8      5-Jul-00    10-Jul-00
          100                  95  1/16     5-Jul-00    10-Jul-00
                       50       86.64580    5-Jul-00    10-Jul-00
                   75,200       96.78980    5-Jul-00    10-Jul-00
                      200     100  3/8      5-Jul-00    10-Jul-00
          200                   87.47500    5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          100                  102.00000    5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
                    1,000     100  3/8      5-Jul-00    10-Jul-00
        5,000                 103  1/8      5-Jul-00    10-Jul-00
          225                  94  5/8      5-Jul-00    10-Jul-00
                   10,000       87.55630    5-Jul-00    10-Jul-00
                      200     101  1/8      5-Jul-00    10-Jul-00
        1,400                  86  7/8      5-Jul-00    10-Jul-00
          200                  86  3/8      5-Jul-00    10-Jul-00
          100                  94  5/8      5-Jul-00    10-Jul-00
                      200     103  3/8      5-Jul-00    10-Jul-00
                      200     100  7/8      5-Jul-00    10-Jul-00
          200                  87  3/8      5-Jul-00    10-Jul-00
                      200     100  7/8      5-Jul-00    10-Jul-00
          100                  87  3/8      5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
        2,000                  102.00000    5-Jul-00    10-Jul-00
          100                   89.00000    5-Jul-00    10-Jul-00
          100                  94  5/8      5-Jul-00    10-Jul-00
          300                  86  3/8      5-Jul-00    10-Jul-00
                   50,200       88.26370    5-Jul-00    10-Jul-00
                      200      95  2/4      5-Jul-00    10-Jul-00
        5,000                  88  3/8      5-Jul-00    10-Jul-00
                      100      97  1/4      5-Jul-00    10-Jul-00
        1,000                   93.00000    5-Jul-00    10-Jul-00
       15,000                  97  3/4      5-Jul-00    10-Jul-00
          100                   99.00000    5-Jul-00    10-Jul-00
        3,700                  94  3/16     5-Jul-00    10-Jul-00
        1,000                  99  7/8      5-Jul-00    10-Jul-00
                      200     100  3/8      5-Jul-00    10-Jul-00
          100                  87  3/4      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          100                  96  5/8      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          200                  95  5/8      5-Jul-00    10-Jul-00
          100                   93.96875    5-Jul-00    10-Jul-00
                      200     100  2/4      5-Jul-00    10-Jul-00
          100                  86  7/8      5-Jul-00    10-Jul-00
          100                   89.00000    5-Jul-00    10-Jul-00
          100                  88  5/8      5-Jul-00    10-Jul-00
                    1,000     103  3/8      5-Jul-00    10-Jul-00
                      200     103  1/16     5-Jul-00    10-Jul-00
                      200     100  7/8      5-Jul-00    10-Jul-00
          100                   97.00000    5-Jul-00    10-Jul-00
           99                  87  3/4      5-Jul-00    10-Jul-00
          200                   93.76563    5-Jul-00    10-Jul-00
          300                   90.90625    5-Jul-00    10-Jul-00
        1,000                   97.00000    5-Jul-00    10-Jul-00
          600                  95  2/4      5-Jul-00    10-Jul-00
          300                   86.53500    5-Jul-00    10-Jul-00
          500                  95  7/8      5-Jul-00    10-Jul-00
                      200       99.00000    5-Jul-00    10-Jul-00
        2,500                   95.00000    5-Jul-00    10-Jul-00
          400                  87  3/4      5-Jul-00    10-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>        <C>          <C>         <C>
                      200       86.81250    5-Jul-00    10-Jul-00
          200                  87  3/4      5-Jul-00    10-Jul-00
          100                   99.97920    5-Jul-00    10-Jul-00
          225                  94  5/8      5-Jul-00    10-Jul-00
          100                  98  1/8      5-Jul-00    10-Jul-00
          425                  94  5/8      5-Jul-00    10-Jul-00
          300                   94.62063    5-Jul-00    10-Jul-00
                   31,800       88.26370    5-Jul-00    10-Jul-00
          200                  99  7/8      5-Jul-00    10-Jul-00
          500                  96  5/8      5-Jul-00    10-Jul-00
                      200     103  1/16     5-Jul-00    10-Jul-00
          250                   86.10000    5-Jul-00    10-Jul-00
                      100      97  1/4      5-Jul-00    10-Jul-00
          100                  99  7/8      5-Jul-00    10-Jul-00
        2,500                  97  5/8      6-Jul-00    11-Jul-00
          250                   97.37250    6-Jul-00    11-Jul-00
                      200      102.00000    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     104  5/8      6-Jul-00    11-Jul-00
                      300      99  3/8      6-Jul-00    11-Jul-00
          100                 105  3/8      6-Jul-00    11-Jul-00
          100                   94.00000    6-Jul-00    11-Jul-00
                      200      102.00000    6-Jul-00    11-Jul-00
          100                   98.93750    6-Jul-00    11-Jul-00
                      100      99  3/8      6-Jul-00    11-Jul-00
                      200      101.00000    6-Jul-00    11-Jul-00
          100                  97  1/8      6-Jul-00    11-Jul-00
           22                 105  3/16     6-Jul-00    11-Jul-00
                      600      98  1/4      6-Jul-00    11-Jul-00
          150                 101  2/4      6-Jul-00    11-Jul-00
          700                   98.00000    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          100                   96.87000    6-Jul-00    11-Jul-00
                        7       98.00000    6-Jul-00    11-Jul-00
                      500      101.00000    6-Jul-00    11-Jul-00
                    4,000     101  7/8      6-Jul-00    11-Jul-00
          100                 104  2/4      6-Jul-00    11-Jul-00
                      100      98  1/8      6-Jul-00    11-Jul-00
          300                  98  2/4      6-Jul-00    11-Jul-00
       25,700                   97.89860    6-Jul-00    11-Jul-00
                      100       97.81250    6-Jul-00    11-Jul-00
          200                  94  3/4      6-Jul-00    11-Jul-00
                      287       98.00000    6-Jul-00    11-Jul-00
        1,000                 105  7/8      6-Jul-00    11-Jul-00
                      100     100  1/16     6-Jul-00    11-Jul-00
                      300      98  3/8      6-Jul-00    11-Jul-00
                    1,300     104  7/8      6-Jul-00    11-Jul-00
                       70      104.81250    6-Jul-00    11-Jul-00
        5,000                  98  1/4      6-Jul-00    11-Jul-00
          200                  104.93750    6-Jul-00    11-Jul-00
                      800      98  1/4      6-Jul-00    11-Jul-00
          450                  98  2/4      6-Jul-00    11-Jul-00
                      900      100.00000    6-Jul-00    11-Jul-00
                      200     102  1/8      6-Jul-00    11-Jul-00
          200                  98  2/4      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
           60                 105  1/16     6-Jul-00    11-Jul-00
                      100      97  7/8      6-Jul-00    11-Jul-00
                    1,000      100.00000    6-Jul-00    11-Jul-00
                      100      99  3/8      6-Jul-00    11-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>        <C>          <C>         <C>
          300                  95  3/4      6-Jul-00    11-Jul-00
                      200      102.00000    6-Jul-00    11-Jul-00
          150                   99.00000    6-Jul-00    11-Jul-00
          500                  104.07750    6-Jul-00    11-Jul-00
          200                  99  3/8      6-Jul-00    11-Jul-00
        1,100                   92.89063    6-Jul-00    11-Jul-00
                      300       97.00000    6-Jul-00    11-Jul-00
          200                  94  3/4      6-Jul-00    11-Jul-00
                      680      99  3/8      6-Jul-00    11-Jul-00
                       50      99  3/8      6-Jul-00    11-Jul-00
                      100     100  3/16     6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200      99  3/8      6-Jul-00    11-Jul-00
                      800      98  1/4      6-Jul-00    11-Jul-00
          300                 105  3/16     6-Jul-00    11-Jul-00
                      500      99  3/8      6-Jul-00    11-Jul-00
        1,500                   98.52500    6-Jul-00    11-Jul-00
                      100      102.00000    6-Jul-00    11-Jul-00
          300                  98  2/4      6-Jul-00    11-Jul-00
          100                  95  3/4      6-Jul-00    11-Jul-00
                      200      98  3/8      6-Jul-00    11-Jul-00
                       98       98.00000    6-Jul-00    11-Jul-00
                      200      98  3/8      6-Jul-00    11-Jul-00
          200                   96.87000    6-Jul-00    11-Jul-00
                      100     101  7/8      6-Jul-00    11-Jul-00
                      200      98  1/4      6-Jul-00    11-Jul-00
                    1,000      100.00000    6-Jul-00    11-Jul-00
                      100      98  1/4      6-Jul-00    11-Jul-00
                      100      97  1/8      6-Jul-00    11-Jul-00
                       72       98.00000    6-Jul-00    11-Jul-00
                      100       96.76563    6-Jul-00    11-Jul-00
          100                  95  1/16     6-Jul-00    11-Jul-00
          650                 104  7/8      6-Jul-00    11-Jul-00
                      100      100.00000    6-Jul-00    11-Jul-00
          500                   98.00000    6-Jul-00    11-Jul-00
                      100      99  3/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          200                  104.93750    6-Jul-00    11-Jul-00
                      100      99  3/8      6-Jul-00    11-Jul-00
          200                  94  3/4      6-Jul-00    11-Jul-00
                      300     104  7/8      6-Jul-00    11-Jul-00
          100                  96  9/16     6-Jul-00    11-Jul-00
                      100     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          168                 105  7/16     6-Jul-00    11-Jul-00
                      600      100.00000    6-Jul-00    11-Jul-00
          150                 102  1/4      6-Jul-00    11-Jul-00
                      100     101  7/8      6-Jul-00    11-Jul-00
                      100     101  7/8      6-Jul-00    11-Jul-00
                      500      99  3/8      6-Jul-00    11-Jul-00
                    1,000      98  5/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          700                  95  3/4      6-Jul-00    11-Jul-00
                      200      98  1/4      6-Jul-00    11-Jul-00
          300                   97.37250    6-Jul-00    11-Jul-00
        1,800                  94  3/4      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                   10,000      95  2/4      6-Jul-00    11-Jul-00
                      200      98  1/4      6-Jul-00    11-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>        <C>          <C>         <C>
                      200      98  3/8      6-Jul-00    11-Jul-00
                       50      105.00000    6-Jul-00    11-Jul-00
           18                 105  2/4      6-Jul-00    11-Jul-00
                      100     101  7/8      6-Jul-00    11-Jul-00
          400                   98.00000    6-Jul-00    11-Jul-00
                      200      98  5/8      6-Jul-00    11-Jul-00
                      100      96  3/4      6-Jul-00    11-Jul-00
          250                   95.74500    6-Jul-00    11-Jul-00
                       35     102  5/8      6-Jul-00    11-Jul-00
                      500      99  3/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          800                   98.00000    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      100      102.00000    6-Jul-00    11-Jul-00
                    1,000     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200      98  3/8      6-Jul-00    11-Jul-00
                      200      102.00000    6-Jul-00    11-Jul-00
        2,000                  95  3/4      6-Jul-00    11-Jul-00
                      200     104  1/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          400                   98.00000    6-Jul-00    11-Jul-00
           50                  96  5/8      6-Jul-00    11-Jul-00
          200                  99  7/16     6-Jul-00    11-Jul-00
          897                  105.00000    6-Jul-00    11-Jul-00
                    1,300     101  7/8      6-Jul-00    11-Jul-00
                      200      98  3/8      6-Jul-00    11-Jul-00
          700                   98.00000    6-Jul-00    11-Jul-00
                      100      98  9/16     6-Jul-00    11-Jul-00
                      400     101  7/8      6-Jul-00    11-Jul-00
                       46       98.00000    6-Jul-00    11-Jul-00
                       10       98.00000    6-Jul-00    11-Jul-00
                       50      98  7/16     6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      300      99  3/8      6-Jul-00    11-Jul-00
          100                   98.00000    6-Jul-00    11-Jul-00
                      500      98  3/8      6-Jul-00    11-Jul-00
          200                  104.93750    6-Jul-00    11-Jul-00
          200                  94  2/4      6-Jul-00    11-Jul-00
                    1,000      98  7/16     6-Jul-00    11-Jul-00
                      200     104  7/8      6-Jul-00    11-Jul-00
          700                   98.00000    6-Jul-00    11-Jul-00
        6,770                 102  1/4      6-Jul-00    11-Jul-00
                      200      100.00000    6-Jul-00    11-Jul-00
                      100       97.81250    6-Jul-00    11-Jul-00
          300                 104  2/4      6-Jul-00    11-Jul-00
          100                 106  2/4      6-Jul-00    11-Jul-00
                      200      99  3/8      6-Jul-00    11-Jul-00
          200                  95  3/4      6-Jul-00    11-Jul-00
           32                 105  7/16     6-Jul-00    11-Jul-00
          400                   98.00000    6-Jul-00    11-Jul-00
                        9       98.00000    6-Jul-00    11-Jul-00
                      287       98.00000    6-Jul-00    11-Jul-00
          650                 105  7/16     6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200      98  1/8      6-Jul-00    11-Jul-00
                      200     103  1/8      6-Jul-00    11-Jul-00
          100                 105  2/4      6-Jul-00    11-Jul-00
          100                   98.00000    6-Jul-00    11-Jul-00
          200                  94  2/4      6-Jul-00    11-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103

<TABLE>
<CAPTION>
      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
<S>                <C>        <C>          <C>         <C>
                      200     101  7/8      6-Jul-00    11-Jul-00
                    5,000      105.00000    6-Jul-00    11-Jul-00
          100                   98.00000    6-Jul-00    11-Jul-00
                       87       98.00000    6-Jul-00    11-Jul-00
                      500     101  7/8      6-Jul-00    11-Jul-00
                      200     105  7/8      6-Jul-00    11-Jul-00
          200                  104.93750    6-Jul-00    11-Jul-00
                      100      100.00000    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          200                  97  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                    1,700      98  5/8      6-Jul-00    11-Jul-00
        1,000                  95  3/4      6-Jul-00    11-Jul-00
        1,000                  94  1/8      6-Jul-00    11-Jul-00
                    2,000      97  2/4      6-Jul-00    11-Jul-00
        1,800                  94  3/4      6-Jul-00    11-Jul-00
          300                  99  3/8      6-Jul-00    11-Jul-00
          100                  106.00000    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          300                 104  2/4      6-Jul-00    11-Jul-00
          200                 105  2/4      6-Jul-00    11-Jul-00
                      200     104  7/8      6-Jul-00    11-Jul-00
                      200     104  7/8      6-Jul-00    11-Jul-00
          200                  104.93750    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          200                  95  3/4      6-Jul-00    11-Jul-00
          200                   96.87000    6-Jul-00    11-Jul-00
                      203       98.00000    6-Jul-00    11-Jul-00
          200                  95  3/4      6-Jul-00    11-Jul-00
          200                 105  3/8      6-Jul-00    11-Jul-00
          500                  95  3/4      6-Jul-00    11-Jul-00
                      200     104  7/8      6-Jul-00    11-Jul-00
                      100      100.00000    6-Jul-00    11-Jul-00
                      100      98  7/16     6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
          500                  99  3/16     6-Jul-00    11-Jul-00
                      200     104  7/8      6-Jul-00    11-Jul-00
                      140      98  7/8      6-Jul-00    11-Jul-00
                      500      99  3/8      6-Jul-00    11-Jul-00
          500                  106.00000    6-Jul-00    11-Jul-00
          455                  97  5/8      6-Jul-00    11-Jul-00
          750                  100.67920    6-Jul-00    11-Jul-00
                   10,000      94  7/8      6-Jul-00    11-Jul-00
                      100      98  3/8      6-Jul-00    11-Jul-00
                        6       98.00000    6-Jul-00    11-Jul-00
          250                   96.87000    6-Jul-00    11-Jul-00
                    1,000      98  3/8      6-Jul-00    11-Jul-00
          200                   95.75780    6-Jul-00    11-Jul-00
          250                  103.95000    6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
        6,000                   97.00000    6-Jul-00    11-Jul-00
                      100     101  7/8      6-Jul-00    11-Jul-00
          230                 102  1/4      6-Jul-00    11-Jul-00
                      200     101  7/8      6-Jul-00    11-Jul-00
                      200      98  7/8      6-Jul-00    11-Jul-00
        1,500                  97  2/4      6-Jul-00    11-Jul-00
          100                   94.68750    6-Jul-00    11-Jul-00
                   10,000      93  2/4      6-Jul-00    11-Jul-00
                      300      99  3/8      6-Jul-00    11-Jul-00
</TABLE>
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                      200     104 7/8      6-Jul-00    11-Jul-00
                      800      98 7/16     6-Jul-00    11-Jul-00
          250                  96.87000    6-Jul-00    11-Jul-00
                       30      98 1/4      6-Jul-00    11-Jul-00
        5,000                 106 1/4      6-Jul-00    11-Jul-00
                      100     105.00000    6-Jul-00    11-Jul-00
          200                 103.49500    6-Jul-00    11-Jul-00
                      100      97.93750    6-Jul-00    11-Jul-00
          100                  96.87000    6-Jul-00    11-Jul-00
          400                  96.00000    6-Jul-00    11-Jul-00
                    2,000      98 3/8      6-Jul-00    11-Jul-00
          500                  98 5/16     6-Jul-00    11-Jul-00
          100                 100 5/16     6-Jul-00    11-Jul-00
          100                  95 5/8      6-Jul-00    11-Jul-00
          150                  91.98750    6-Jul-00    11-Jul-00
          200                 105 2/4      6-Jul-00    11-Jul-00
                      400     100.00000    6-Jul-00    11-Jul-00
                      200     101 7/8      6-Jul-00    11-Jul-00
          300                  97.24125    6-Jul-00    11-Jul-00
                      200      98 1/4      6-Jul-00    11-Jul-00
                       50      99.00000    6-Jul-00    11-Jul-00
          100                  96.87000    6-Jul-00    11-Jul-00
                        7      98.00000    6-Jul-00    11-Jul-00
          100                 104 2/4      6-Jul-00    11-Jul-00
                    1,000     100.00000    6-Jul-00    11-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          600                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          400                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
          700                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
        1,500                  27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          400                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           33                  27.00000   29-Jun-00     6-Jul-00
          119                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
           52                  27.00000   29-Jun-00     6-Jul-00
          377                  27.00000   29-Jun-00     6-Jul-00
          159                  27.00000   29-Jun-00     6-Jul-00
           54                  27.00000   29-Jun-00     6-Jul-00
          174                  27.00000   29-Jun-00     6-Jul-00
          435                  27.00000   29-Jun-00     6-Jul-00
          137                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          218                  27.00000   29-Jun-00     6-Jul-00
           32                  27.00000   29-Jun-00     6-Jul-00
           85                  27.00000   29-Jun-00     6-Jul-00
          189                  27.00000   29-Jun-00     6-Jul-00
           64                  27.00000   29-Jun-00     6-Jul-00
           49                  27.00000   29-Jun-00     6-Jul-00
          350                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
        2,000                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
        1,300                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
        1,500                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
        1,500                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
        1,500                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
        1,500                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          750                  27.00000   29-Jun-00     6-Jul-00
                      750      100.67920   6-Jul-00    11-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
        1,500                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          400                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
       25,000                  27.00000   29-Jun-00     6-Jul-00
          700                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
                   25,000      94 7/8     30-Jun-00     6-Jul-00
                      500      95 1/4     30-Jun-00     6-Jul-00
                      700      94.53130   30-Jun-00     6-Jul-00
        1,500                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          350                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          400                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          400                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
                      250      86.10000    5-Jul-00    10-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           30                  27.00000   29-Jun-00     6-Jul-00
           20                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          500                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
           20                  27.00000   29-Jun-00     6-Jul-00
          120                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          580                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          350                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          230                  27.00000   29-Jun-00     6-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          120                  27.00000   29-Jun-00     6-Jul-00
          150                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
           20                  27.00000   29-Jun-00     6-Jul-00
          425                  27.00000   29-Jun-00     6-Jul-00
                      425      94 5/8      5-Jul-00    10-Jul-00
           50                  27.00000   29-Jun-00     6-Jul-00
                       50      95 3/8      5-Jul-00    10-Jul-00
          900                  27.00000   29-Jun-00     6-Jul-00
        3,800                  27.00000   29-Jun-00     6-Jul-00
        1,300                  27.00000   29-Jun-00     6-Jul-00
        2,500                  27.00000   29-Jun-00     6-Jul-00
          700                  27.00000   29-Jun-00     6-Jul-00
        3,800                  27.00000   29-Jun-00     6-Jul-00
        2,700                  27.00000   29-Jun-00     6-Jul-00
        1,000                  27.00000   29-Jun-00     6-Jul-00
        2,700                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
        3,400                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          300                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
        1,000                  100.00000  30-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          200                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00
          100                  27.00000   29-Jun-00     6-Jul-00
          250                  27.00000   29-Jun-00     6-Jul-00


<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      92 1/8       5-Jul-00    10-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
        1,150                   27.00000   29-Jun-00     6-Jul-00
                    1,150       97.85330   30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          175                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          750                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
        1,250                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          175                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          375                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          250                   27.00000   29-Jun-00     6-Jul-00
          375                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          375                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          175                   27.00000   29-Jun-00     6-Jul-00
          375                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          375                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          375                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          175                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        2,600                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          700                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        2,600                   27.00000   29-Jun-00     6-Jul-00
        1,200                   27.00000   29-Jun-00     6-Jul-00
        1,300                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       86.62000    3-Jul-00     7-Jul-00
          700                   27.00000   29-Jun-00     6-Jul-00
                      200       86.68250    3-Jul-00     7-Jul-00
                      500       86.62000    3-Jul-00     7-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          600                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500       82.18250    3-Jul-00     7-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500       83.36000    3-Jul-00     7-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
                    1,000       86.79900    3-Jul-00     7-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          175                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          175                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
       13,000                   27.00000   29-Jun-00     6-Jul-00
       20,000                   97.74840   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          425                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          425                   27.00000   29-Jun-00     6-Jul-00
          425                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          425                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          400                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        2,800                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                    3,000       87.31500    5-Jul-00    10-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          350                   27.00000   29-Jun-00     6-Jul-00
          750                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          800                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          450                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          550                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500       87.34000    5-Jul-00    10-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      300       87.47500    5-Jul-00    10-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      88  3/8      5-Jul-00    10-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
                      150       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                    6,000       97.00000    6-Jul-00    11-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      95  2/4     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      95  2/4     30-Jun-00     6-Jul-00
                      100       27.00000   29-Jun-00     6-Jul-00
                               95  2/4     30-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
                      100      95  2/4     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      95  2/4     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      95  2/4     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      95  2/4     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      95  2/4     30-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500      95  2/4     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       91.42500   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       91.42500   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       91.42500   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       91.42500   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       91.42500   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       91.42500   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       91.42500   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       91.42500   30-Jun-00     6-Jul-00
                    1,250       99.00000    6-Jul-00    11-Jul-00
                      200      99  1/8      6-Jul-00    11-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.01720    6-Jul-00    11-Jul-00
           40                   27.00000   29-Jun-00     6-Jul-00
                       40       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.01720    6-Jul-00    11-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.01720    6-Jul-00    11-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
                       30       99.01720    6-Jul-00    11-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
                       30       99.01720    6-Jul-00    11-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.01720    6-Jul-00    11-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.01720    6-Jul-00    11-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

                       60       99.01720    6-Jul-00    11-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       99.01720    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       99.01720    6-Jul-00    11-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
                       60       99.01720    6-Jul-00    11-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           80                   27.00000   29-Jun-00     6-Jul-00
                       80       99.01720    6-Jul-00    11-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          700                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      92  1/8     30-Jun-00     6-Jul-00
                      100      92  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      92  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      92  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      92  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      92  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          700                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
        2,500                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                              Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
        1,600                   27.00000   29-Jun-00     6-Jul-00
                    1,600      95  3/4     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
        1,600                   27.00000   29-Jun-00     6-Jul-00
                    1,600      95  3/4     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
                    1,000       93.15000   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95.75780    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
                      400       96.81250   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        1,100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          850                   27.00000   29-Jun-00     6-Jul-00
                      850      96  1/4     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
        2,500                   27.00000   29-Jun-00     6-Jul-00
                    2,500      100.93000   30-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           55                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
                       85       97.19000   30-Jun-00     6-Jul-00
          140                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           55                   27.00000   29-Jun-00     6-Jul-00
           80                   27.00000   29-Jun-00     6-Jul-00
          180                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           55                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
          175                   27.00000   29-Jun-00     6-Jul-00
           80                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           55                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           55                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          500                   99.80000   30-Jun-00     6-Jul-00
          350                   27.00000   29-Jun-00     6-Jul-00
                      350       98.00000   30-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
                      150       98.00000   30-Jun-00     6-Jul-00
          225                   27.00000   29-Jun-00     6-Jul-00
                      225       98.00000   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       98.00000   30-Jun-00     6-Jul-00
          225                   27.00000   29-Jun-00     6-Jul-00
                      225       98.00000   30-Jun-00     6-Jul-00
          225                   27.00000   29-Jun-00     6-Jul-00
                      225       98.00000   30-Jun-00     6-Jul-00
          225                   27.00000   29-Jun-00     6-Jul-00
                      225       98.00000   30-Jun-00     6-Jul-00
          225                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

                      225       98.00000   30-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
                      250       98.00000   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       98.00000   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       98.00000   30-Jun-00     6-Jul-00
          225                   27.00000   29-Jun-00     6-Jul-00
                      225       98.00000   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       98.00000   30-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
                      150       98.00000   30-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
                      150       98.00000   30-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          135                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          140                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           35                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          135                   27.00000   29-Jun-00     6-Jul-00
          185                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
          160                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                  SCHEDULE IV
                                  -----------
                             StorageNetworks, Inc.
                             Cusip No. 86211E103


      Purchases    Sales         Price    Trade Date   Settlement Date
--------------------------------------------------------------------------------

           60                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
                       60      92  3/16    30-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          135                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          135                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          185                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           25                   27.00000   29-Jun-00     6-Jul-00
           90                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           30                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          135                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           85                   27.00000   29-Jun-00     6-Jul-00
           25                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          235                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           60                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
          125                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           75                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          190                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          290                   27.00000   29-Jun-00     6-Jul-00
          195                   27.00000   29-Jun-00     6-Jul-00
          195                   27.00000   29-Jun-00     6-Jul-00
          195                   27.00000   29-Jun-00     6-Jul-00
          195                   27.00000   29-Jun-00     6-Jul-00
          190                   27.00000   29-Jun-00     6-Jul-00
          190                   27.00000   29-Jun-00     6-Jul-00
          190                   27.00000   29-Jun-00     6-Jul-00
          195                   27.00000   29-Jun-00     6-Jul-00
          195                   27.00000   29-Jun-00     6-Jul-00
          190                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       97.00000   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       97.00000   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       97.00000   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      96  3/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      96  9/16    30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      97  1/4     30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       92.32690   30-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
                      250       92.32690   30-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
                      250       92.32690   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       92.32690   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
                      400       95.62880   30-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        2,300                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
                      300      104  2/4     6-Jul-00    11-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
                      500       96.00000   30-Jun-00     6-Jul-00
                      500      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93.47500    30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100     104  2/4      6-Jul-00    11-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
                      100      95  7/8      5-Jul-00    10-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      93  1/8     30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      93  1/8     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------

          100                   27.00000   29-Jun-00     6-Jul-00
                      100       93.47500   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100      93  1/8     30-Jun-00     6-Jul-00
          800                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
           90                   27.00000   29-Jun-00     6-Jul-00
           90                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          130                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      103.49500    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.87000    6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.87000    6-Jul-00    11-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300      99  3/8      6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.87000    6-Jul-00    11-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
                      250       96.87000    6-Jul-00    11-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96.87000    6-Jul-00    11-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
                      250       95.74500    6-Jul-00    11-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       97.37250    6-Jul-00    11-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200      99  3/8      6-Jul-00    11-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50      96  7/8     30-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       96  7/8    30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       96  7/8    30-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
                      400       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
                    1,500       96.63610   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
                      400       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96.63610   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96.63610   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96.63610   30-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
                    1,500       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
                    1,500       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       96.63610   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       96.63610   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       95  3/4    30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95  3/4    30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
                      200       95  3/4    30-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
                      400       95  3/4    30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95  3/4    30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95  3/4    30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95  3/4    30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       95  3/4    30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          150                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          400                   27.00000   29-Jun-00     6-Jul-00
                      400       95  7/16   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95  7/16   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       95  7/16   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       95  7/16   30-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       97  7/8    30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       97  7/8    30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       97  7/8    30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       97  7/8    30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
           25                   27.00000   29-Jun-00     6-Jul-00
                       25       95.03130   30-Jun-00     6-Jul-00
           50                   27.00000   29-Jun-00     6-Jul-00
                       50       95.03130   30-Jun-00     6-Jul-00
           25                   27.00000   29-Jun-00     6-Jul-00
                       25       95.03130   30-Jun-00     6-Jul-00
           25                   27.00000   29-Jun-00     6-Jul-00
                       25       95.03130   30-Jun-00     6-Jul-00
           25                   27.00000   29-Jun-00     6-Jul-00
                       25       95.03130   30-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500       98.67250   30-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
                      100       98.45750   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       98.45750   30-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
                    1,000       99.28750   30-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500       98.45750   30-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
                      200       96  1/4    30-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        4,000                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103

      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
        8,000                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
                    1,000       95  3/4    30-Jun-00     6-Jul-00
        3,000                   27.00000   29-Jun-00     6-Jul-00
                    3,000       95  3/4    30-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
                    2,000       95  3/4    30-Jun-00     6-Jul-00
        4,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
       35,000                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          450                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
          450                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        2,500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
        1,500                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
       12,000                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
        1,400                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        3,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,250                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          100                   27.00000   29-Jun-00     6-Jul-00
          750                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
        2,000                   27.00000   29-Jun-00     6-Jul-00
<PAGE>

                                   SCHEDULE IV
                                   -----------
                              StorageNetworks, Inc.
                               Cusip No. 86211E103


      Purchases      Sales       Price     Trade Date  Settlement Date
--------------------------------------------------------------------------------
        3,500                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       86.29875    3-Jul-00     7-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
                      500       86.29875    3-Jul-00     7-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
                      300       86.29875    3-Jul-00     7-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          600                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          200                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          600                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
          600                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
          300                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
       15,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        1,000                   27.00000   29-Jun-00     6-Jul-00
        4,500                   27.00000   29-Jun-00     6-Jul-00
          250                   27.00000   29-Jun-00     6-Jul-00
        1,400                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00
          500                   27.00000   29-Jun-00     6-Jul-00


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