Document:

Exhibit 10.1

                  FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT

         THIS FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT (this "Amendment"),
is made and entered into as of April 13, 2005, by and among HEICO CORPORATION, a
Florida corporation (the "Borrower"), the several banks and other financial
institutions from time to time party hereto (collectively, the "Lenders") and
SUNTRUST BANK, in its capacity as Administrative Agent for the Lenders (the
"Administrative Agent").

                              W I T N E S S E T H:

         WHEREAS, the Borrower, the Lenders and the Administrative Agent are
parties to a certain Revolving Credit Agreement, dated as of May 15, 2003 (as
amended, restated, supplemented or otherwise modified from time to time, the
"Credit Agreement"; capitalized terms used herein and not otherwise defined
shall have the meanings assigned to such terms in the Credit Agreement),
pursuant to which the Lenders have made certain financial accommodations
available to the Borrower;

         WHEREAS, the Borrower has requested that the Lenders and the
Administrative Agent amend the Credit Agreement to permit the acquisition of
substantially all of the assets of Connectronics Corp. and Wiremax Ltd. in
addition to the $30,000,000 basket for mergers and acquisitions otherwise
permitted in Section 7.4(b) of the Credit Agreement, and to extend the Revolving
Commitment Termination Date, and subject to the terms and conditions hereof, the
Lenders consent and are willing to do so;

         NOW, THEREFORE, for good and valuable consideration, the sufficiency
and receipt of all of which are acknowledged, the Borrower, the Lenders and the
Administrative Agent agree as follows:

         1.       Amendments.

         (i). The definition of "Revolving Commitment Termination Date" in the
Credit Agreement is hereby amended by replacing such definition in its entirety
with the following:

                  "Revolving Commitment Termination Date" shall mean the
         earliest of (i) May 15, 2008, as extended pursuant to Section 2.24,
         (ii) the date on which the Revolving Commitments are terminated
         pursuant to Section 2.9 and (iii) the date on which all amounts
         outstanding under this Agreement have been declared or have
         automatically become due and payable (whether by acceleration or
         otherwise).

         (ii). Section 7.4(b) of the Credit Agreement is hereby amended by
replacing such subsection in its entirety with the following:

<PAGE>

                  (b) enter into any one or more mergers, consolidations or
         acquisitions having a total cash purchase price in excess of Thirty
         Million Dollars ($30,000,000) in the aggregate in any trailing
         twelve-month period, other than the acquisition of substantially all of
         the assets of Connectronics Corp., an Ohio corporation
         ("Connectronics"), and Wiremax Ltd., an Ohio limited liability company
         ("Wiremax"), pursuant to the terms of that certain Asset Purchase
         Agreement, dated as of December 7, 2004, among Connectronics, Wiremax,
         Connectronics Acquisition Corp., HEICO Electronics Technologies Corp.
         and the owners set forth on the signature page thereof;

         2.       Conditions to Effectiveness of this Amendment. Notwithstanding
any other provision of this Amendment and without affecting in any manner the
rights of the Lenders hereunder, it is understood and agreed that this Amendment
shall not become effective, and the Borrower shall have no rights under this
Amendment, until the Administrative Agent shall have received (i) reimbursement
or payment of its costs and expenses incurred in connection with this Amendment
(including reasonable fees, charges and disbursements of King & Spalding LLP,
counsel to the Administrative Agent), (ii) executed counterparts to this
Amendment from the Borrower, each of the Subsidiary Loan Parties and the Lenders
and (iii) the following Loan Documents:

                  a)       A Subsidiary Guaranty Supplement duly executed by
                           Connectronics Corp.; HNW2 Building Corp.; JA
                           Engineering I Corp.; JA Engineering II Corp.; Sierra
                           Microwave Technology, LLC and Lumina Power, Inc.
                           (collectively, the "New Subsidiaries"), in form and
                           substance satisfactory to the Administrative Agent;

                  b)       A Joinder to the Security Agreement, together with a
                           Patent Security Agreement, Trademark Security
                           Agreement and authorization to file UCC financing
                           statements or similar instruments as requested by the
                           Administrative Agent, in each case duly executed by
                           each New Subsidiary and in form and substance
                           satisfactory to the Administrative Agent;

                  c)       A supplement to the Pledge Agreement by Borrower to
                           pledge all of the Capital Stock of each New
                           Subsidiary together with certificates evidencing such
                           Capital Stock and appropriate stock powers executed
                           in blank, in each case in form and substance
                           satisfactory to the Administrative Agent;

                  d)       Any landlord waiver agreements required pursuant to
                           Section 5.18 of the Credit Agreement, in form and
                           substance satisfactory to the Administrative Agent;
                           and

                  e)       Such other documents, certificates or information as
                           the Administrative Agent or the Required Lenders may
                           reasonably request, all in form and substance
                           reasonable satisfactory to the Administrative Agent
                           or the Required Lenders.

                                        2
<PAGE>

         3.       Representations and Warranties. To induce the Lenders and the
Administrative Agent to enter into this Amendment, each Loan Party hereby
represents and warrants to the Lenders and the Administrative Agent that:

         a)       The execution, delivery and performance by such Loan Party of
this Amendment and each Loan Document delivered pursuant hereto (i) are within
such Loan Party's power and authority; (ii) have been duly authorized by all
necessary corporate and shareholder action; (iii) are not in contravention of
any provision of such Loan Party's certificate of incorporation or bylaws or
other organizational documents; (iv) do not violate any law or regulation, or
any order or decree of any Governmental Authority; (v) do not conflict with or
result in the breach or termination of, constitute a default under or accelerate
any performance required by, any indenture, mortgage, deed of trust, lease,
agreement or other instrument to which such Loan Party or any of its
Subsidiaries is a party or by which such Loan Party or any such Subsidiary or
any of their respective property is bound; (vi) do not result in the creation or
imposition of any Lien upon any of the property of such Loan Party or any of its
Subsidiaries (other than liens in favor of the Administrative Agent and the
Lenders); and (vii) do not require the consent or approval of any Governmental
Authority or any other Person;

         b)       Since the execution of the Credit Agreement, the following
Subsidiaries have been merged into the Borrower or other Subsidiary Guarantors
and are no longer in existence: (i) ATI Heat Treat Corporation; (ii) Jet Avion
Heat Treat Corporation; (iii) N.A.C. Acquisition Corporation; (iv) Kinetic
Technologies, Inc.; (v) Air Radio & Instruments Corp.; (vi) TSI Quality
Honeycomb Holdings Corp.; (vii) HEICO Engineering Corporation; (viii)
HEICO-NEWCO, Inc.; (ix) HEICO-JET Corporation; (x) Associated Composite, Inc.
and (xi) HEICO Bearings Corp.

         c)       This Amendment and each of the of the other Loan Documents
delivered pursuant hereto has been duly executed and delivered for the benefit
of or on behalf of each Loan Party and constitutes a legal, valid and binding
obligation of each Loan Party, enforceable against such Loan Party in accordance
with its terms except as the enforceability hereof may be limited by bankruptcy,
insolvency, reorganization, moratorium and other laws affecting creditors'
rights and remedies in general;

         d)       at the time of and immediately after giving effect to this
Amendment, no Default or Event of Default shall exist;

         e)       all representations and warranties of each Loan Party set
forth in the Loan Documents shall be true and correct in all material respects
on and as of the date hereof, in each case before and after giving effect
thereto (except to the extent such representations and warranties relate solely
to an earlier date and except for changes therein expressly permitted or
expressly contemplated by the Loan Documents); and

         f)       since the date of the most recent annual financial statements
of the Borrower delivered pursuant to Section 5.1(b) of the Credit Agreement,
there has been no change which has had or could reasonably be expected to have a
Material Adverse Effect.

                                        3
<PAGE>

         4.       Reaffirmations and Acknowledgments.

             a)   Reaffirmation of Guaranty. Each Subsidiary Loan Party consents
to the execution and delivery by the Borrower of this Amendment and jointly and
severally ratifies and confirms the terms of the Subsidiary Guaranty Agreement
with respect to the indebtedness now or hereafter outstanding under the Credit
Agreement as amended hereby and all promissory notes issued thereunder. Each
Subsidiary Loan Party acknowledges that, notwithstanding anything to the
contrary contained herein or in any other document evidencing any indebtedness
of the Borrower to the Lenders or any other obligation of the Borrower, or any
actions now or hereafter taken by the Lenders with respect to any obligation of
the Borrower, the Subsidiary Guaranty Agreement (i) is and shall continue to be
a primary obligation of the Subsidiary Loan Parties, (ii) is and shall continue
to be an absolute, unconditional, joint and several, continuing and irrevocable
guaranty of payment, and (iii) is and shall continue to be in full force and
effect in accordance with its terms. Nothing contained herein to the contrary
shall release, discharge, modify, change or affect the original liability of the
Subsidiary Loan Parties under the Subsidiary Guaranty Agreement.

             b)   Acknowledgment of Perfection of Security Interest. Each Loan
Party hereby acknowledges that, as of the date hereof, the security interests
and liens granted to the Administrative Agent and the Lenders under the Credit
Agreement and the other Loan Documents are in full force and effect, are
properly perfected and are enforceable in accordance with the terms of the
Credit Agreement and the other Loan Documents.

         5.       Effect of Amendment. Except as set forth expressly herein, ail
terms of the Credit Agreement, as amended hereby, and the other Loan Documents
shall be and remain in full force and effect and shall constitute the legal,
valid, binding and enforceable obligations of the Borrower to the Lenders and
the Administrative Agent. The execution, delivery and effectiveness of this
Amendment shall not, except as expressly provided herein, operate as a waiver of
any right, power or remedy of the Lenders under the Credit Agreement, nor
constitute a waiver of any provision of the Credit Agreement. This Amendment
shall constitute a Loan Document for all purposes of the Credit Agreement.

         6.       Governing Law. This Amendment shall be governed by, and
construed in accordance with, the internal laws of the State of Florida and all
applicable federal laws of the United States of America.

         7.       No Novation. This Amendment is not intended by the parties to
be, and shall not be construed to be, a novation of the Credit Agreement or an
accord and satisfaction in regard thereto.

         8.       Costs and Expenses. The Borrower agrees to pay on demand all
costs and expenses of the Administrative Agent in connection with the
preparation, execution and delivery of this Amendment, including, without
limitation, the reasonable fees and out-of-pocket expenses of outside counsel
for the Administrative Agent with respect thereto.

                                        4
<PAGE>

         9.       Counterparts. This Amendment may be executed by one or more of
the parties hereto in any number of separate counterparts, each of which shall
be deemed an original and all of which, taken together, shall be deemed to
constitute one and the same instrument. Delivery of an executed counterpart of
this Amendment by facsimile transmission or by electronic mail in pdf form shall
be as effective as delivery of a manually executed counterpart hereof.

         10.      Binding Nature. This Amendment shall be binding upon and inure
to the benefit of the parties hereto, their respective successors,
successors-in-titles, and assigns.

         11.      Entire Understanding. This Amendment sets forth the entire
understanding of the parties with respect to the matters set forth herein, and
shall supersede any prior negotiations or agreements, whether written or oral,
with respect thereto.

         12.      Waiver. Upon satisfaction of the conditions precedent set
forth above, the Lenders waive any Default or Event of Default that may have
arisen under Section 5.17 and 5.18 of the Credit Agreement in connection with
the formation or acquisition of the New Subsidiaries.

                           [Signature Pages to Follow]

                                        5
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed, under seal in the case of the Borrower and the Subsidiary Loan
Parties, by their respective authorized officers as of the day and year first
above written.

                                        BORROWER:

                                        HEICO CORPORATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        SUBSIDIARY LOAN PARTIES:

                                        HEICO AEROSPACE HOLDINGS CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        HEICO AEROSPACE CORPORATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        JET AVION CORPORATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        LPI INDUSTRIES CORPORATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        AIRCRAFT TECHNOLOGY, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        NORTHWINGS ACCESORIES CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        HNW BUILDING CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        6
<PAGE>

                                        MCCLAIN INTERNATIONAL, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        MCCLAIN PROPERTY CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        ROGERS-DIERKS, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        TURBINE KINETICS, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        THERMAL STRUCTURES, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        FUTURE AVIATION, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        AVITECH ENGINEERING CORPORATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        ATK ACQUISITION CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        AVIATION FACILITIES, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        7
<PAGE>

                                        HEICO AEROSPACE PARTS CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        JETSEAL, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        HEICO AEROSPACE C&A CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        AD HEICO ACQUISITIONS CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        AERODESIGN, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        BATTERY SHOP, L.L.C.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        NIACC TECHNOLOGY, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        HEICO ELECTRONIC TECHNOLOGIES CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        RADIANT POWER CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        LEADER TECH, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        8
<PAGE>

                                        SANTA BARBARA INFRARED, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        101 LUMMIS ROAD CORP.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        ANALOG MODULES, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        INERTIAL AIRLINE SERVICES, INC.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        HEICO EAST CORPORATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        LENDERS:

                                        SUNTRUST BANK, as Administrative Agent,
                                        as Issuing Bank, as Swingline Lender
                                        and as a Lender
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        WACHOVIA BANK, NATIONAL ASSOCIATION
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        HSBC BANK USA, N.A.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        REGIONS BANK
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        9
<PAGE>

                                        COMMERCEBANK, N.A.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        NORTHERN TRUST BANK OF FLORIDA N.A.
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                        ISRAEL DISCOUNT BANK OF NEW YORK
                                        By:
                                               ---------------------------------
                                        Name:
                                        Title:

                                       10EXHIBIT 10.1                                                      EXECUTION COPY

                 FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER

     THIS  FIRST  AMENDMENT  TO  AGREEMENT  AND  PLAN  OF  MERGER  (this  "FIRST
                                                                           -----
AMENDMENT"),  dated as of August 26, 2005, is made and entered into by and among
---------
Concurrent  Computer  Corporation,  a  Delaware  corporation  (the "PURCHASER"),
                                                                    ---------
Stream Acquisition, Inc., a Delaware corporation ("NEWCO"), Everstream Holdings,
                                                   -----
Inc.,  a Delaware corporation (the "COMPANY"), and the parties listed on Exhibit
                                    -------
A  attached  hereto  (each,  individually  a  "SELLER"  and  collectively  the
                                               ------
"SELLERS"),  and  is  made  with reference to that certain Agreement and Plan of
 -------
Merger,  dated  as  of  August  19, 2005, by and among the Purchaser, Newco, the
Company,  and the Sellers (the "MERGER AGREEMENT"). In this First Amendment, the
                                ----------------
Purchaser,  Newco,  the  Company,  and  the  Sellers  are sometimes individually
referred  to  as  a "PARTY" and collectively as the "PARTIES." Capitalized terms
                     -----                           -------
used  herein without definition shall have the same meanings herein as set forth
in  the  Merger  Agreement.

                                    RECITALS

     The  Purchaser, Newco, the Company, and the Sellers desire to amend certain
provisions  contained  in  the  Merger  Agreement.

                                    AGREEMENT

     Pursuant  to  Section 10.10 of the Merger Agreement and in consideration of
the premises and mutual covenants and agreements contained herein, and for other
good  and  valuable consideration, the receipt of which are hereby acknowledged,
and  intending  to  be  legally  bound, the Parties hereto agree that the Merger
Agreement  is  hereby  amended  as  follows:

                                    ARTICLE I
                                   AMENDMENTS

     Section  1.1     Definitions.
                      ------------

          (a)     The  definition of "Common Stock Residual Number" as set forth
     in  Section  1.2  of the Merger Agreement is hereby deleted and replaced in
     its  entirety  with  the  following:

          "COMMON STOCK RESIDUAL NUMBER" means the number of shares of Purchaser
           ----------------------------
     Common  Stock equal to the quotient of (i) the Total Merger Shares less the
     Total  First  Tier  Distribution,  divided  by (ii) the Total Company Stock
     Number,  less  the Total Series C Preferred Number, less the Total Series A
     Preferred Number, less the Total Series B Preferred Number, less the McHale
     Common  Stock  Number.

          (b)     The  definition of "McHale Stock Dispositions" as set forth in
     Section  1.2  of the Merger Agreement is hereby deleted and replaced in its
     entirety  with  the  following:

          "MCHALE  STOCK  DISPOSITIONS" means the transfers by Stephen J. McHale
           ---------------------------
     of Company Series A Preferred Stock to certain employees of the Company and
     Burt

<PAGE>
     Manning  as  referenced  in  the Company Disclosure Schedule and the McHale
     Disposition  Side  Letter.

          (c)     Section  1.2  of  the  Merger  Agreement  is hereby amended by
     adding, in the applicable alphabetical order, the following definitions:

          "FIRST  AMENDMENT  TO  MERGER  AGREEMENT"  means  that  certain  First
           ---------------------------------------
     Amendment  to  Agreement  and Plan of Merger dated as of August 26, 2005 by
     and  among  the  Parties.

          "MCHALE  COMMON  STOCK"  means  the  Company  Common  Stock  owned  by
           ---------------------
     Stephen J. McHale.

          "MCHALE  COMMON  STOCK  NUMBER"  means  the number of shares of McHale
           -----------------------------
     Common Stock.

          "MCHALE  DISPOSITION  SIDE LETTER" means that certain letter agreement
           --------------------------------
     attached as Exhibit B to the First Amendment to Merger Agreement.
                 ---------

     Section  1.2     Amendment to Section 3.1(b).  Section 3.1(b) of the Merger
                      ---------------------------
Agreement is hereby deleted and replaced in its entirety with the following:

          (b)     Cancellation  of Treasury Stock; Purchaser-Owned Stock; McHale
                  --------------------------------------------------------------
     Common  Stock.  Any  shares  of  Company  Stock  that are owned directly or
     -------------
     indirectly  by  the Company as treasury stock and any shares that are owned
     by Purchaser, Newco or any other wholly-owned Subsidiary of Purchaser shall
     be cancelled and retired and shall cease to exist and no stock of Purchaser
     or  other consideration shall be delivered in exchange therefor. All shares
     of  Purchaser  Common Stock owned by Company shall remain unaffected by the
     Merger.  All  shares  of McHale Common Stock shall be cancelled and retired
     and  shall  cease to exist and no stock of Purchaser or other consideration
     shall  be  delivered  in  exchange  therefor.

     Section  1.3     Amendment to Section 3.1(c).  Section 3.1(c) of the Merger
                      ---------------------------
Agreement is hereby deleted and replaced in its entirety with the following:

          (c)     Exchange Ratios for Company Stock. Subject to Sections 3.3 and
                  ---------------------------------
     3.4,  and  other  than  shares,  if any, to be cancelled in accordance with
     Section 3.1(b), each issued and outstanding share of Company Stock shall be
     converted  into  the  right  to  receive  the  number  of  validly  issued,
     fully-paid and nonassessable shares of Purchaser Common Stock determined as
     follows:

               (i)     Each  issued  and  outstanding  share of Company Series C
          Preferred  Stock  shall  be  converted  into  the right to receive the
          Series  C  First  Tier  Ratio;

              (ii)     Each  issued  and  outstanding  share of Company Series A
          Preferred  Stock  shall  be  converted  into  the right to receive the
          Series  A  First  Tier  Ratio;

             (iii)     Each  issued  and  outstanding  share of Company Series B
          Preferred  Stock  shall  be  converted  into  the right to receive the
          Series  B  First  Tier  Ratio;  and

                                      -2-
<PAGE>
              (iv)     Each issued and outstanding share of Company Common Stock
          shall be converted into the right to receive the Common Stock Residual
          Number.

The  number of shares of Purchaser Common Stock into which each share of Company
Series  C  Preferred  Stock,  Company Series A Preferred Stock, Company Series B
Preferred Stock and Company Common Stock shall be converted, as specified above,
shall  be  referred  to as the "SERIES C EXCHANGE RATIO," the "SERIES A EXCHANGE
                                -----------------------        -----------------
RATIO,"  the  "SERIES  B EXCHANGE RATIO," and the "COMMON STOCK EXCHANGE RATIO,"
-----          ------------------------            ---------------------------
respectively,  and  collectively,  the  "EXCHANGE  RATIOS."  The Exchange Ratios
                                         ----------------
shall  be  adjusted  for  any stock split, stock dividend or similar transaction
effected between the Agreement Date and the Effective Time.

     Section  1.4     Amendment  to  Article  VI.  Article  VI  of  the  Merger
                      --------------------------
Agreement is hereby amended by adding after Section 6.21 the following:

          Section  6.22     Certificate  of  Amendment. Immediately prior to the
                            --------------------------
     Closing,  the Company shall, in accordance with the DGCL, file an amendment
     to  the Company's certificate of incorporation in the form of a Certificate
     of  Amendment  of  Amended and Restated Certificate of Incorporation of the
     Company,  in  substantially  the  form  attached  as Exhibit C to the First
                                                          ---------
     Amendment  to  Merger  Agreement  (the  "CERTIFICATE  AMENDMENT").
                                              ----------------------

     Section  1.5     Amendment  to  Section  7.2.  Section  7.2  of  the Merger
                      ---------------------------
Agreement is hereby amended by adding after Section 7.2(p) the following:

          (q)     Certificate  Amendment.  The Certificate Amendment to be filed
                  ----------------------
     as  described in Section 6.22 shall be filed with the Delaware Secretary of
     State  and  shall  be  effective.

     Section  1.6     Exhibit  6.10.  Exhibit  6.10  of  the Merger Agreement is
                      -------------   -------------
hereby  deleted  and  replaced  in  its  entirety with the Exhibit 6.10 attached
                                                           ------------
hereto  as  Exhibit  D.
            ----------

     Section  1.7     Exhibit  7.2(e).  Exhibit  7.2(e)  of the Merger Agreement
                      ---------------   ---------------
is  hereby deleted and replaced in its entirety with the Exhibit 7.2(e) attached
                                                         -------------
hereto  as  Exhibit  E.
            ----------

                                   ARTICLE II
                            MISCELLANEOUS PROVISIONS

     Section 2.1     Captions.  The  titles,  captions,  and  table  of contents
                     --------
contained in this First Amendment are inserted in this First Amendment only as a
matter  of  convenience and for reference and do not, in any way, define, limit,
extend,  or  describe  the  scope  of  this First Amendment or the intent of any
provision  of  this  First  Amendment.

     Section  2.2     Controlling Law.  This First Amendment will be governed by
                      ---------------
and  construed and enforced in accordance with the internal laws of the State of
Delaware  without  reference  to  Delaware  choice-of-law  rules.

     Section  2.3     Counterparts;  Execution.  This  First  Amendment  may  be
                      ------------------------
executed  in two or more counterparts, each of which will be deemed an original.
A  facsimile,  telecopy,  electronic  mail,  or other reproduction of this First
Amendment  may  be  executed  by  one  or  more

                                      -3-
<PAGE>
Parties, and an executed copy of this First Amendment may be delivered by one or
more  Parties  by  facsimile,  telecopy,  electronic mail, or similar electronic
transmission  device  pursuant  to  which  the signature of or on behalf of such
Party  can  be  seen,  and such execution and delivery will be considered valid,
binding,  and  effective  for  all  purposes.  At  the request of any Party, all
Parties  agree  to  execute  an  original of this First Amendment as well as any
facsimile,  telecopy,  electronic  mail,  or  other  reproduction  of this First
Amendment.

     Section  2.4     Enforcement  of  Certain  Rights.  Nothing  expressed  or
                      --------------------------------
implied  in  this  First  Amendment is intended, or will be construed, to confer
upon  or  give  any  Person  other  than  the  Parties,  and their successors or
permitted assigns, any rights, remedies, obligations, or liabilities under or by
reason  of  this  First  Amendment,  or  result  in  such  Person being deemed a
third-party  beneficiary  of  this  First  Amendment.

     Section  2.5     Full Force and Effect.  Except as set forth expressly this
                      ---------------------
First  Amendment,  the  Merger  Agreement  shall be and remain in full force and
effect,  and  shall  constitute  the legal, valid and binding obligations of the
Parties,  enforceable  against  the  Parties  in accordance with its terms.  The
amendments  in  this  First  Amendment  shall  be  deemed  to  have  prospective
application  only,  unless  otherwise  specifically  stated  herein.

                           [SIGNATURE PAGES TO FOLLOW]

                                      -4-
<PAGE>
     The  Parties have caused this First Amendment to be duly executed as of the
Agreement  Date.

                                   CONCURRENT COMPUTER CORPORATION

                                   By:
                                        ---------------------------------
                                   Name:
                                          -------------------------------
                                   Title:
                                           ------------------------------

                                   STREAM ACQUISITION, INC.

                                   By:
                                        ---------------------------------
                                   Name:
                                          -------------------------------
                                   Title:
                                           ------------------------------

                                   EVERSTREAM HOLDINGS, INC.

                                   By:
                                        ---------------------------------
                                   Name:
                                          -------------------------------
                                   Title:
                                           ------------------------------

                                   REPRESENTATIVE:

                                   ----------------------------------

                                   SELLERS:

                                   CANOE EVERSTREAM, LLC:

                                        By:
                                             ---------------------------------
                                        Name:
                                               -------------------------------
                                        Title:
                                                ------------------------------

             [Signature Page to First Amendment to Merger Agreement]

<PAGE>
                                   EVERSTREAM, LLC:

                                        By:
                                             ---------------------------------

                                        By:
                                             ---------------------------------
                                        Name:
                                               -------------------------------
                                        Title:
                                                ------------------------------

                                   ----------------------------------
                                   JIM HICKEY

                                   ----------------------------------
                                   SCOTT KEGLOVIC

                                   LAUDER PARTNERS  LLC:

                                        By:
                                             ---------------------------------

                                        By:
                                             ---------------------------------
                                        Name:
                                               -------------------------------
                                        Title:
                                                ------------------------------

                                   ----------------------------------
                                   JOHN F. MCHALE

                                   ----------------------------------
                                   STEPHEN J. MCHALE

                                   ----------------------------------
                                   KATHY WOLFE

                                   ----------------------------------
                                   ROBERT WOLFE

             [Signature Page to First Amendment to Merger Agreement]

<PAGE>
                                    Exhibit A
                                    ---------

                                     Sellers

Canoe Everstream, LLC
Everstream, LLC
Jim Hickey
Scott Keglovic
Lauder Partners LLC
John F. McHale
Stephen J. McHale
Kathy Wolfe
Robert Wolfe

<PAGE>
                                    Exhibit B
                                    ---------

                         McHale Disposition Side Letter

                                 (See Attached)

<PAGE>
                                    Exhibit C
                                    ---------

                              Certificate Amendment

                                 (See Attached)

<PAGE>
                                    Exhibit D
                                    ---------

                                  Exhibit 6.10

                                 (See Attached)

<PAGE>
                                    Exhibit E
                                    ---------

                                 Exhibit 7.2(e)

                                 (See Attached)

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