Document:

Exhibit 10.92

December 30, 1999

MR. DOUGLAS T. BROWN

Vice President
Bank of America

8300 Greensboro Drive, Suite 550
McLean, VA 22102-3604

Dear Douglas:

         This letter is to  formalize  the  agreements  between Bank of America,
N.A. ("Bank of America"),  Telos  Corporation,  a Maryland  corporation  ("Telos
(Maryland)"),  Telos Corporation, a California corporation ("Telos (California)"
and,  together with Telos  (Maryland),  sometimes  referred to  collectively  as
"Telos"),  and  Enterworks,  Inc.,  a Delaware  corporation,  formerly  known as
"enterWorks.com,  inc."  ("Enterworks"),  with respect to the private  placement
(the "Private  Placement")  of  approximately  $25,000,000 of Series A Preferred
Stock of Enterworks  at $1.15 per share and certain  other related  transactions
which  were  outlined  in a  conversation  between  Bank of  America  and  Telos
(California)  which  resulted  in a  signed  letter  agreement  between  Bank of
America, Telos (California) and Enterworks dated October 6, 1999. The details of
these  transactions  have now been finalized and amended to the extent necessary
to permit more specific Bank of America approval.

         AS STATED IN OUR OCTOBER 6TH letter,  Enterworks has agreed to exchange
approximately $2.7 million in subordinated notes issued by Enterworks for shares
of Enterworks common stock, par value $.01 per share, to be issued by Enterworks
to the note holders, and Telos will likewise exchange approximately $7.6 million
in  subordinated  notes issued by Telos in exchange for Enterworks  common stock
held of record by Telos (California).  The conversions of the subordinated notes
will be effected at a rate of $1.00 of principal amount per share.

         As you are aware,  all  27,000,000  shares of  Enterworks  common stock
currently  owned of record by Telos  (California)  have been  pledged to Bank of
America (the "Pledged  Shares")  pursuant to the Telos Pledge Agreement dated as
of April 16, 1999 (the "Pledge  Agreement") by and among Bank of America,  Telos
(Maryland) and Telos (California), and Telos (California) will require a release
of  10,000,000  of the Pledged  Shares from Bank of America as described  below.
Additionally,  Enterworks  has agreed to issue  4,000,000  additional  shares to
Telos  (California) and Telos  (California)  has agreed to contribute  1,000,000
Pledged Shares to Enterworks for  distribution  under the Enterworks  1996 Stock
Option Plan.

         In order to  permit  the  Private  Placement  and as part of a  general
restructuring  of the Enterworks  balance sheet,  Telos and Enterworks have also
agreed that Telos will cancel the existing intercompany debt of Enterworks which
has  accumulated  through  the first  closing in the  Private  Placement  in the
approximate amount of $30 million, on advice from Deutsche Banc Alex. Brown, the
Private Placement investment banker.

         In  addition  to the  transactions  set forth  above and as  previously
discussed  with Bank of America,  Enterworks  has approved the  redemption of $5
million of Enterworks  common stock from Telos  (California) at a price of $1.00
per  share,  and  Telos  (California)  has  determined  that  it is in the  best
interests of Telos  (California) to accept the redemption  offer. The redemption
will occur  immediately  after the closing of the Private  Placement,  and Telos
(California)  will  receive  all $5 million of the  redemption  price (less fees
payable to  Alex.Brown)  by wire  transfer  on the  closing  date of the Private
Placement. On the closing date of the Private Placement, the above referenced $5
million  (less  fees  payable  to   Alex.Brown)   of  funds  received  by  Telos
(California)  as a result of the  redemption  shall be used to pay down the debt
owed to Bank of America under the Amended and Restated  Credit  Agreement by and
among Telos  (Maryland),  Telos  (California)  and Bank of America dated July 1,
1997, as amended (the "Credit Agreement").

         Also as previously  discussed,  Enterworks is seeking Bank of America's
approval to create and issue up to 21,739,130 shares of Series A Preferred Stock
of  Enterworks at $1.15 per share in  connection  with the Private  Placement to
various Private Placement Investors (the "Private Placement Investors"),  and to
execute,  deliver and  perform the Stock  Purchase  Agreement,  Investor  Rights
Agreement, Co-Sale Agreement,  Stockholders' Voting Agreement and the Enterworks
charter amendments contemplated as part of the Private Placement (the "Operative
Agreements"), all dated on or prior to the date hereof.

         Please  indicate by signing below that Bank of America  approves of and
consents to each of the share issues and  transactions  described  above and the
execution,  delivery and  performance by Telos and Enterworks in accordance with
the Operative Agreements (collectively,  the "Transactions"),  and hereby waives
the  violations,  defaults and events of default  under or arising by or through
Sections 7.3, 7.6, 7.10,  7.12 and 9.1(q) of the Credit  Agreement and Section 8
of the  Pledge  Agreement,  and any  other  relevant  provisions  of the  Credit
Agreement  and the Pledge  Agreement  which may result as a  consequence  of the
Transactions.

         Within 10 days after the first closing in the Private  Placement,  Bank
of America  agrees to release  10,000,000  of the  Pledged  Shares  (within  the
meaning of the Pledge Agreement) and deliver the share certificate  representing
the  27,000,000   Pledged  Shares  to  Telos   (California)  for   cancellation.
Concurrently with such delivery by Bank of America,  Enterworks will issue a new
share certificate  evidencing  17,000,000 of the remaining Pledged Shares, which
shall  continue to be subject to the Pledge  Agreement,  and Telos  (California)
shall  concurrently  deliver such certificate to Bank of America in exchange for
the share certificate  representing the 27,000,000  Pledged Shares.  Each of the
signatories  to this  letter  agrees  to  promptly  take  whatever  actions  are
necessary  to amend the  Pledge  Agreement  to  evidence  the  change in Pledged
Shares. In the event Telos (California) is issued more than 17,000,000 shares of
Enterworks common stock, such higher number shall be pledged to Bank of America.

         In the event Bank of  America  exercises  its  rights  under the Credit
Agreement  or  Pledge  Agreement  (or  any  successor  arrangement)  to  sell or
otherwise dispose of any of the remaining 17,000,000 (or greater) Pledged Shares
on one or more occasions, Bank of America agrees, prior to any public or private
sale or other  disposition  of such Pledged Shares to any person or entity other
than Enterworks or the Private  Placement  Investors (each such sale or proposed
sale being  referred to as a "Third  Party  Sale"),  to first offer such Pledged
Shares to Enterworks,  which offer shall remain open for a period of 10 calendar
days. Any Pledged Shares not agreed to be purchased by Enterworks within such 10
calendar  day period shall then be offered to the Private  Placement  Investors,
which offer shall remain open to the Private Placement Investors for a period of
35 calendar days. In the event Enterworks and/or the Private Placement Investors
have not elected to purchase all of such  remaining  Pledged  Shares within such
respective  periods of time,  the Pledged  Shares may  thereafter be sold to the
original prospective  purchaser in a Third Party Sale, but only on the terms and
conditions  on which such  Pledged  Shares were  offered to  Enterworks  and the
Private Placement  Investors.  The Pledged Shares may be offered in a subsequent
Third Party Sale on terms and conditions different from the terms and conditions
originally  offered to Enterworks and Private  Placement  Investors only if such
Pledged Shares have first been offered to Enterworks  and the Private  Placement
Investors on such new terms and conditions in accordance with this paragraph.

         Bank of America  hereby  grants the same co-sale  rights to each of the
Private  Placement  Investors in respect of the Pledged Shares as are granted to
the Private  Placement  Investors in the Co-Sale  Agreement,  a copy of which is
attached hereto; provided, however, that such co-sale rights shall not become an
obligation  of any  subsequent  purchaser  of the  Pledged  Shares  from Bank of
America.

         Notwithstanding  anything  to the  contrary  contained  in  the  Credit
Agreement, Pledge Agreement or any other agreement or document relating thereto,
Bank of America  agrees  with Telos and  Enterworks  that,  at any time when the
voting and other  consensual  rights  described  in  Section  7(d) of the Pledge
Agreement  would,  by the terms of Pledge  Agreement,  become  vested in Bank of
America,  then (a)  Telos  shall  retain,  and  there  shall not vest in Bank of
America (i) the right to designate a member of the Enterworks board of directors
or an  observer  thereto as provided  in Section 1 of the  Stockholders'  Voting
Agreement;   and  (ii)  the  right  to  approve  any  amendment,   modification,
termination  of, or waiver under,  any  provision of any Operative  Agreement to
which Telos is a party;  and (b) Telos shall  retain,  and Bank of America shall
permit  Telos  to keep  and  observe,  the  obligation  to vote  its  shares  of
Enterworks  capital stock as provided in Section 1 of the  Stockholders'  Voting
Agreement.

         Bank of America  agrees and  acknowledges  that the  Private  Placement
Investors are third party  beneficiaries  with respect to the rights  granted in
the three previous paragraphs (but no other terms of this letter agreement). The
co-sale  rights,  rights of first  refusal and other  rights  granted by Bank of
America in the  foregoing  three  paragraphs  shall  terminate  upon the date of
termination of the Co-Sale  Agreement  referenced above as in effect on the date
hereof.

         Bank of  America  agrees and  acknowledges  that  Enterworks  is hereby
forever  released from any and all  obligations  arising out of or in connection
with  the  Credit  Agreement,  Security  Agreement  and  Pledge  Agreement  upon
consummation of the Private Placement.

         In consideration of Bank of America  providing the foregoing  consents,
approvals  and  waivers,  Telos  (Maryland)  has  agreed to pay Bank of  America
$450,000 in cash in two equal  installments  on October 6, 1999 and December 31,
1999 and Enterworks has agreed to issue 350,000 Enterworks common stock purchase
warrants  in the event the  Private  Placement  closes by  December  31, 1999 or
400,000  Enterworks  common  stock  purchase  warrants if the Private  Placement
closes after December 31, 1999 (the "Warrants"). The Warrants will have the same
rights and privileges set forth in the Warrant Agreement  received by Alex.Brown
as Placement Agent in connection with the Private Placement, except that (i) the
number of underlying shares will be in accordance with the immediately preceding
sentence,  and (ii) the Warrant Agreement will include the language set forth in
Riders  5  and  6  attached  hereto,   without  duplication.   Bank  of  America
acknowledges  having  received the first  installment of $225,000 on or prior to
October 6, 1999.

         If the  foregoing  is  acceptable  to Bank of  America,  please sign as
indicated below. Thank you for your prompt attention to this matter.

         _________                     TELOS CORPORATION, a Maryland corporation

         _________                          By:/s/ William L.P. Brownley
         _________                          Name:  William L.P. Browney
         _________                          Title:Vice President/General Counsel

         _________                   TELOS CORPORATION, a California corporation

         _________                          By:/s/ John B. Wood
         _________                          Name:  John B. Wood
         _________                          Title:

         _________                      ENTERWORKS, INC., a Delaware corporation

         _________                          By:/s/ Robert Lewis
         _________                          Name:  Robert Lewis
         _________                          Title: President

         _________                                   BANK OF AMERICA, N.A.

         _________                          By:/s/ Douglas T. Brown
         _________                          Name:  Douglas T. Brown
         _________                          Title: Vice President

         ---------

         ---------Exhibit 10.93

     Enterworks,  Inc.  (the  "Company")  would like to provide  you and certain
other investors with the opportunity to convert the subordinated Notes purchased
from the Company (each a "Note" and collectively the "Notes") into shares of the
Company's  common  stock,  par value  $.01 per share  (the  "Common  Stock")  in
accordance  with the terms of this letter  agreement.  By signing and  returning
this letter agreement and tendering your Note(s) to the Company, you will become
entitled to receive,  in exchange for the outstanding  principal  amount and all
accrued but unpaid  interest under the tendered  Note(s)  through the conversion
date (the "Conversion Date"), that number of shares of Common Stock equal to the
outstanding  principal  amount of the Note(s) you tender.  For  example,  if the
outstanding  principal  amount under your Note(s) is $100 and accrued but unpaid
interest  thereon  is $5 as of the  Conversion  Date,  you will be  entitled  to
receive 100 shares of Common  Stock upon  conversion  and  cancellation  of such
Note(s) on the Conversion Date.

     On the  date  of  the  first  closing  in the  currently  proposed  private
placement  (the  "Private  Placement"),  the Company  will issue you one or more
Common Stock share certificates evidencing the number of shares to which you are
entitled.  You are the holder of a Note(s) in the amount of  (dollars)  dollars,
therefore your Note(s) would be converted into (shares)  shares of Common Stock.
The Common  Stock to be issued to you in exchange for your Note(s) will have and
be subject to the same rights,  preferences,  limitations and restrictions under
the Articles of  Incorporation  of  Enterworks as the Common Stock of Enterworks
into which the  convertible  preferred stock proposed to be issued in connection
with the Private  Placement  will be  convertible.  Whether you elect to convert
your Note(s) into shares of Common Stock or not,  your rights under the Warrants
you  purchased  along  with the  Note(s)  will not be  affected  by this  letter
agreement,  except that holders of equity  securities of the Company  (including
you, as a holder of Warrants) may be diluted by additional  issuances of capital
stock of the Company including, but not limited to, issuances of Common Stock in
the event  holders of Note(s)  elect to convert their Note(s) into Common Stock.
The  Company  will  provide  you  with a  schedule  of  shareholders  as soon as
practical following the closing of the Private Placement.  Further,  the Company
hereby  informs  you  that  there  are  no  securities  with  the  Company  with
anti-dilution  rights other than the Warrants attached to the Note(s) referenced
above.

     Additionally,  on or prior to the  first  closing  in  connection  with the
Private  Placement,  you,  the  Company and the other Note  holders  electing to
exchange Notes hereunder will enter into a written shareholders' agreement which
will provide for one demand  registration  right and standard  co-sale rights as
set forth  below.  The one (1) demand  registration  right may be  exercised  by
written  consent  of not less than 51% of the  total  number of shares of Common
Stock issued to all Note holders  exchanging  their notes  hereunder,  including
you, and will be subject to  reasonable  and customary  blackout  periods and to
cutback of shares  based on market  conditions.  In the event of such a cutback,
any Common Stock  requested to be  registered by you and other Note holders will
be reduced  before  reducing  any  securities  of the  investors  in the Private
Placement (the "Private  Placement  Investors")  or the Company  requested to be
included in such  registration;  provided,  however  that in the event the total
number of shares of Common Stock you and the other Note holders properly request
for inclusion is reduced  pursuant to such cutback to less than 40% of the total
number of shares you and such Note holders properly  requested to be included in
such registration,  then such registration shall not count toward the one demand
registration  granted by the  shareholders'  agreement.  The  Private  Placement
Investors  shall receive notice of such demand  registration  and shall have the
right  to  piggyback   registration   rights  in  connection  with  such  demand
registration.  You will also receive  co-sale  rights  equivalent to the co-sale
rights granted to Telos in the shareholders' agreement between Telos and certain
other Company shareholders.

     If you wish to have your  Note(s)  converted  into shares of Common  Stock,
please  countersign  this  letter in the  signature  block  provided,  request a
Conversion  Date on or after  October 1,  1999,  provide  all other  information
requested below and return this letter  agreement to me along with your original
Note(s) at your earliest convenience,  but not later than September 27, 1999. If
you do not  request a  Conversion  Date  after  October  1,  1999,  or request a
Conversion  Date that occurs after the date of the first  closing in  connection
with the Private Placement, you agree that your Note(s) will be exchanged on the
date of the first closing to occur in connection with the Private Placement.  If
you do not  wish  to  convert  your  Note(s),  the  courtesy  of a  response  is
nonetheless appreciated.

     By signing below,  you (i) agree and acknowledge  that the shares of Common
Stock you receive will not be registered  under the  Securities  Act of 1933, as
amended (the  "Securities  Act"), or applicable state securities laws, are aware
that you cannot  sell,  assign,  transfer  or  otherwise  dispose of such shares
unless  they are  registered  under  the  Securities  Act and  applicable  state
securities  laws or an opinion is given by counsel  satisfactory  to the Company
that  such  registration  is not  required,  and  agree  that  the  certificates
evidencing  the  shares  will  contain a legend to the  foregoing  effect,  (ii)
represent  that  you  have  substantial   knowledge  and  experience  in  making
investment  decisions of this type and are capable of evaluating  the merits and
risks of this  exchange,  and (iii)  have been  offered  an  opportunity  to ask
questions  and receive  answers from  Enterworks'  management  to your  complete
satisfaction.

     The Company  cannot  assure you that the Company  will receive any funds in
connection with the Private Placement, and therefore the Company must, and does,
retain the right to terminate  this  agreement  to exchange  your Note(s) at any
time by written  notice to you for any reason,  in which case the  Company  will
tender your Note(s) back to you as soon as practicable thereafter.  Furthermore,
the Company will  terminate this agreement (and tender your Note(s) back to you)
if an amount of funds equal to or greater  than $15 million is not raised in the
above referenced Private  Placement.  In any event, the Company will tender your
Note(s)  back within 90 days of the date of this letter  agreement  in the event
the Conversion  Date does not occur prior to such time.  Please let us know your
decision at your  earliest  convenience.  I  appreciate  your  attention to this
matter.

Very truly yours,

Dee Ann Revere
Vice President & General Counsel

<PAGE>

By signing below, I agree that my Note(s) may be converted into shares of Common
Stock on the date of the first closing in connection with the Private Placement,
or on  ___________________  (insert Conversion Date) as set forth in this letter
agreement and that in such event the Note(s)  attached  hereto will be cancelled
by the Company on the Conversion Date.  Please issue my share  certificate(s) to
_________ (insert name of person or entity in whose name the share  certificates
should be issued).

AGREED AND ACKNOWLEDGED,

FOR INVESTORS OTHER THAN NATURAL PERSONS:

ATTEST:  _________                  [INSERT NAME OF INVESTOR]

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

FOR INVESTORS WHO ARE NATURAL PERSONS:

WITNESS: _________                  [INSERT NAME OF INVESTOR]

         _________
------------------
Name:    _________                          Name:

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