STONE & WEBSTER INC
10-K405, 2000-04-14
ENGINEERING SERVICES
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  FORM 10-K 405


          For Annual and Transition Reports Pursuant to Sections 13 or
                                  15(d) of the
                         Securities Exchange Act of 1934

                                   (Mark One)
            [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1999

                                       OR

          [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

              For the transition period from..........to..........

                          Commission file number 1-1228

                          Stone & Webster, Incorporated
             (Exact name of registrant as specified in its charter)

                  Delaware                           13-5416910
     (State of other jurisdiction of      (IRS Employer Identification No.)
      Incorporation or organization)

       245 Summer Street, Boston, MA                    02210
 (Address of Principal Executive Offices)            (Zip Code)

                                 (617) 589-5111
              (Registrant's telephone number, including area code)

           Securities registered pursuant to Section 12(b) of the Act:

           Title of each class         Name of each exchange on which registered
          Common Stock - $1 par               New York Stock Exchange
                                               Boston Stock Exchange

Securities registered pursuant to Section 12(g) of the Act:  None

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days. Yes [ X ] No [ _ ].

<PAGE>
Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [X]

State  the  aggregate   market  value  of  the  voting  common  equity  held  by
nonaffiliates of the registrant. The aggregate market value shall be computed by
reference to the price at which the common  equity was sold,  or the average bid
and asked prices of such common  equity,  as of a specified  date within 60 days
prior to the date of filing. (See Definition of Affiliate in Rule 405.)

     $194,000,000  approximately,  based on the closing price on the New York
     Stock Exchange Composite Transactions as of March 31, 2000.

Indicate the number of shares outstanding of each of the registrant's classes of
common stock, as of the latest practicable date.

     Common Stock: 14,236,385 shares as of March 31, 2000.

The  following  documents,  or portions  thereof as indicated  in the  following
report, are incorporated by reference in the Parts of Form 10-K indicated:

     Part      Document

     I, II    Registrant's  Annual  Report to  Shareholders  for the fiscal year
              ended December 31, 1999 (the "1999 Annual Report to Shareholders")

     III      Proxy  Statement in connection with the registrant's  2000  Annual
              Meeting of Shareholders






<PAGE>
                                     PART I

Item 1.  Business.

Registrant was incorporated as a Delaware  corporation in 1929. Stone & Webster,
Incorporated and its subsidiaries  (hereinafter  referred to as the "Company" or
"Stone  &  Webster")   are   principally   engaged  in  providing   professional
engineering,   construction  and  consulting  services.  Subsidiaries  also  own
fourteen  cold storage  warehousing  facilities  primarily  in the  Southeastern
United  States  and own and  operate  the Stone & Webster  office  buildings  in
Houston,  Texas and  Schenectady,  New York.  Stone &  Webster  develops,  takes
ownership  interests  in,  and  operates  projects  for which  they may  provide
engineering, construction and other services.

Engineering, Construction and Consulting

Stone  &  Webster  provides   engineering,   design,   construction,   and  full
environmental   services   for   power,   process,   governmental,   industrial,
transportation and civil works projects. It also constructs from plans developed
by  others,  makes  engineering  reports  and  business  examinations,  performs
consulting  engineering  work,  and offers  information  management and computer
systems  expertise  to  clients.  A full  range  of  services  in  environmental
engineering  and  sciences,   including   complete  execution  of  environmental
projects,  is also  provided.  The Company  remains  active in the nuclear power
business,  for utility and  governmental  clients,  and continues to undertake a
significant  amount of  modification  and maintenance  work on existing  nuclear
power plants as well as decommissioning and decontamination  projects.  Advanced
computer systems  development  services and products are offered in the areas of
systems  integration,   computer-aided   design,  expert  systems  and  database
management.  Registrant or its  subsidiaries  may take an ownership  position in
development  projects  for which other  subsidiaries  may  provide  engineering,
construction,  procurement,  management, and operation and maintenance services.
Comprehensive  management  consulting  and financial  services are furnished for
business and industry, including public utility, transportation,  pipeline, land
development,  petroleum,  and  manufacturing  companies,  banking and  financial
institutions and government agencies. It also performs appraisals for industrial
companies and utilities.

Stone & Webster's  Engineering,  Construction and Consulting  business  includes
three  Divisions  and  a  consulting  organization  which  are  responsible  for
marketing and executing projects within a sector on a worldwide basis. The three
Divisions are held accountable for achieving goals  established for their market
sector  in  the  Power,   Process/Industrial  and   Environmental/Infrastructure
sectors.  This structure  enables the Company to capitalize on its international
relationships,  experience and abilities.  Where  appropriate,  lump sum turnkey
contracts  are  employed as a means of  providing  comprehensive  services.  The
Company's  Engineering,  Construction and Consulting business continues to focus
on its strengths involving technology, for example, in advanced applications for
both  refinery  and  ethylene  process  work,  and in  development  of  software
applications and knowledge-based engineering toolkits.

Cold Storage (Discontinued Operation)

Modern public cold storage  warehousing,  blast-freezing and other refrigeration
and  consolidation  services  are  offered in  Georgia,  North  Carolina,  South
Carolina,  Alabama,  Mississippi  and  Ohio to food  processors  and  others  at
fourteen  facilities with  approximately  47.8 million cubic feet of freezer and
controlled  temperature  storage space. In view of increased demand for services
relating to food  exports,  the Company  acquired the Nordic Group in the fourth
quarter  of  1998.  Offices  and  processing  areas  are  leased  to  customers.
Comprehensive  freezer  services and  refrigerated  transportation  services are
offered to customers.

On October 27,  1999,  the Company  announced  its  intention to sell the Nordic
Refrigerated Services business unit (Nordic).  The Company is seeking buyers for
Nordic  and   accordingly,   the  Nordic  results  have  been  classified  as  a
discontinued  operation  and  prior  periods  have been  reclassified.  The 1999
consolidated  balance sheet is net of Nordic amounts.  The Company's  continuing
operations  are  composed  of  the  Engineering,   Construction  and  Consulting
business.

Competition

The  principal  business  activities  of  Stone &  Webster  in the  Engineering,
Construction and Consulting  business are highly  competitive,  with competition
from a large number of well-established concerns, some privately held and others
publicly held. Inasmuch as the Company is primarily a service  organization,  it
competes by providing services of the highest quality.  Stone & Webster believes
it  occupies  a strong  competitive  position  but is  unable to  estimate  with
reasonable  accuracy the number of its competitors and its competitive  position
in the engineering, construction and consulting services industry.

The business  activities in the cold storage business are primarily performed in
the  Southeastern  United  States.  Competition in this market area comes from a
relatively  small number of companies  offering  similar types of services.  The
Company  competes in this field by  providing  services of the highest  quality,
emphasizing  responsiveness to the needs of customers and to the end receiver of
the customers' product. As part of that commitment,  the Company provides modern
data  processing  and  communication  equipment for  customers.  Stone & Webster
believes it occupies a strong competitive position in this area.

Backlog

Backlog  figures  have not  historically  been  considered  by the Company to be
indicative of any trend in its activities nor material for an  understanding  of
its business.  At any given date,  the portion of engineering  and  construction
work  to be  completed  within  one  year  can  only  be  estimated  subject  to
adjustments,  which can in some instances be  substantial,  based on a number of
factors. Clients frequently revise the scope of the services for which they have
contracted  with the  Company,  especially  on  projects  subject to  regulatory
approval or which require  environmental  permitting/licensing.  Scope increases
and decreases of  substantial  magnitude may occur on such projects and directly
affect  backlog.  Additionally,  delays are common and affect the timing of when
backlog is translated into revenues.  As a result, the aggregate of such figures
in relation to consolidated  revenues could be misleading  unless  understood in
light of the foregoing  contingencies.  Backlog information is calculated on the
basis of the total value to the Company of all services to be rendered under the
available  contracts  plus  the  value  of  equipment,  material,  services  and
subcontracts  for which the  contracting  subsidiary  has overall  technical and
commercial responsibility.

Engineering Construction and Consulting backlog as of December 31, 1999 amounted
to $2,574 million compared with $2,636 million as of December 31, 1998. New work
awards,  including  changes  in scope,  were  $1,106  million in 1999 and $1,331
million in 1998. Also see "Revenue, New Orders and Backlog" in the "Management's
Discussion  and  Analysis" in the 1999  comparison  with 1998 filed  herewith in
Exhibit (13)(i). Although the majority of the Company's contracts in backlog may
be reduced or cancelled  by the client at any time,  significant  reductions  in
scope are unusual. Power division orders of $854 million in 1999 decreased by 20
percent  from the $1,070  million in orders for 1998,  primarily  as a result of
lower than  anticipated  demand by energy  companies  in the first half of 1999.
However,  1999 power  orders  increased  substantially  in the  second  half and
reflected  increased  awards for  nuclear  services,  as well as  combined-cycle
plants.  The  1999  new  orders  do not  include  an  award  for a  720-megawatt
combined-cycle power plant expected to be booked in the first half of 2000 after
completion  of owner  financing.  The 76 percent  decline in  Process/Industrial
division orders reflects the protracted weakness in the petrochemical  industry,
which is the customer base for the Company's process  technology,  the lingering
effects of the economic  slowdown in Asia, which had been a major market for new
process plant  construction,  and  concentration on selected  Industrial  market
opportunities    in   cement,    forest    products   and   chemical    sectors.
Environmental/Infrastructure  division  orders in 1999  increased as a result of
growth in remediation, transportation and water projects.

Approximately  23  percent  of the total  backlog  as of  December  31,  1999 is
expected to be realized within the next year.

In addition, approximately 38 percent of the December 31, 1999 backlog amount is
from contracts for international projects.

The  following  backlog  information  is provided  as of  December  31, 1999 and
December 31, 1998.


                                     BACKLOG
                Engineering, Construction and Consulting Services
                            (in Millions of Dollars)

                                      Changes In       Revenue        As of
     As of 12/31/98      New Work       Scope        Recognized     12/31/99

         $2,636            $760          $346          ($1,168)      $2,574


Backlog  figures in the cold storage  industry are not  provided  since,  in the
Company's opinion, such information is not necessarily meaningful because of the
nature  of  the  food  processing,   storage  and  distribution  business  where
repetitive services of short duration are the norm.

Clients

Although Stone & Webster's Engineering, Construction and Consulting business has
numerous clients, the Company  historically has not had a continuing  dependence
on any  single  client.  One or a few  clients  have in the  past and may in the
future contribute a substantial portion of consolidated revenues in any one year
or  over a  period  of  several  consecutive  years  due to the  size  of  major
engineering and construction projects. The business is not necessarily dependent
upon  sustaining,  and the  Company  does not  necessarily  expect to sustain in
future years,  the level of revenues  contributed  by particular  clients in any
given year or period of consecutive  years. Once the Company commences work on a
particular  project,  it  is  unlikely  that  the  client  would  terminate  the
involvement  of the  Company  prior to  completion  of the  project,  unless the
project itself is canceled or postponed.  Historically  the Company has provided
ongoing  services to clients  following  completion of major  projects for them.
Nonetheless,  the Company must obtain new engineering and construction projects,
whether from existing clients or new clients,  in order to generate  revenues in
future years as existing projects are completed.

Consequently,  Stone & Webster  has not  considered  the names of  clients to be
material to investors' understanding of the Company's business taken as a whole.
Stated in terms of total revenues (as described under Backlog,  above), which is
consistent  with  the  Company's   financial   reporting  in  this  report,  the
Engineering,  Construction  and Consulting  business had no client who accounted
for more than 10 percent of consolidated  revenues in 1998 or 1999. In 1997, one
client,  PT Trans-Pacific  Petrochemical  Indotama,  accounted for 12 percent of
consolidated revenues.

The cold storage  business had no client who accounted for 10 percent or more of
consolidated revenues in 1997, 1998 or 1999.

Environmental Compliance

Compliance by Stone & Webster and its subsidiaries with Federal, State and local
provisions  regulating  the  discharge of  materials  into the  environment,  or
otherwise relating to the protection of the environment, has not had, and is not
expected to have,  a material  adverse  effect  upon the  capital  expenditures,
earnings and competitive  position of registrant and its subsidiaries.  Also see
Note (L) to the consolidated  financial statements in the "Notes to Consolidated
Financial Statements" which is filed herewith in Exhibit (13)(i).

The  Engineering,  Construction  and Consulting  business has benefited from the
extensive  amount of  environmental  legislation and regulatory  activity now in
place because the effect of such  regulations  on the  businesses of its clients
has increased the demand for  environmental  services  provided by  registrant's
subsidiaries.  The  demand  for such  services  to help  clients  in  their  own
environmental compliance efforts is expected to continue.

Year 2000 Compliance

See "Year 2000 Compliance" in the  "Management's  Discussion and Analysis" which
is filed herewith in Exhibit (13)(i).

Employees

Stone & Webster had  approximately  5,300  regular  employees as of December 31,
1999. In addition,  there are at times several thousand craft employees employed
on projects by subsidiaries of the Company.  The number of such employees varies
in relation to the number and size of the projects  actually  undertaken  at any
particular time.

Executive Officers of the Registrant

Name                     Age   Position Held                          Held Since
- ----                     ---   -------------                          ----------

H. Kerner Smith          55    Chairman of the Board                    5/8/97
                               President and Chief Executive
                                Officer and Director                   2/12/96

Peter M. Evans           54    Senior Executive Vice President         1/26/99
                               Director                                 3/7/00

Thomas L. Langford       58    Executive Vice President and
                                Chief Financial Officer                 6/2/97

James P. Jones           56    Vice President, Secretary and
                                General Counsel                        1/27/98

Gerard A. Halpin, III    42    Vice President                          5/14/98
                               Treasurer                               12/2/96

James P. Carroll         41    Vice President and Controller           9/21/99

Mr. Smith, who joined the Company in February 1996, had been President and Chief
Executive Officer of Deutsche Babcock Technologies, Inc. and a Managing Director
of Deutsche Babcock A G during the five years prior to joining the company.  Mr.
Evans,  who joined the Company in January  1999,  had been  President  and Chief
Operating  Officer of M.W.  Kellogg  Company from 1997 to January 1999,  and had
been Executive Vice President and Senior Vice President,  Operations since 1994.
Mr. Langford,  who joined the Company in 1997, had been President of The Parsons
Corporation  from 1991 to 1996.  Mr. Jones,  who joined the Company in 1998, had
been  Special  Counsel with Jones Walker  Waechter  Poitevent  Carrere & Denegre
L.L.P.  in New  Orleans  from 1995 to 1997 and  Associate  General  Counsel  for
Freeport-McMoRan  Inc. from 1989 to 1995. Mr. Halpin,  who joined the Company in
1996, had been Assistant  Treasurer of General  Electric Company since 1991. Mr.
Carroll,  who joined the Company in 1999,  had been Vice President and Corporate
Controller  of  Invensys  Intelligent  Automation  since  1998  and had held the
positions of Director of Financial Systems,  Director of Finance, and Manager of
Strategic Pricing and Commissions from 1995 to 1998.

Each  officer  has been  elected to hold office  until the first  meeting of the
Board of Directors after the next Annual Meeting of the  Shareholders  and until
his  successor  is duly  elected  and  qualified.  The next  Annual  Meeting  of
Shareholders is scheduled to be held May 23, 2000.

Item 2.  Properties.

The important physical properties of Stone & Webster are as follows:

     A.   A 6 story office  building with  approximately  320,000 square feet of
          office  space  at 1430  Enclave  Parkway,  Houston,  Texas,  which  is
          approximately  65 percent  occupied  by the  Company  with the balance
          currently being leased or held for rental to others.

     B.   A 21.5  acre  site  in  Laporte,  Texas,  with 7  permanent  buildings
          comprising   approximately   44,000  square  feet  which  is  used  in
          connection with a subsidiary's construction business.

     C.   An office  building  with  approximately  65,000  square feet of space
          consisting of two floors of office and support  function space at 1482
          Erie  Boulevard,  Schenectady,  New York, and an office  building with
          approximately 21,000 square feet at 1473 Erie Boulevard,  Schenectady,
          New York,  which were  acquired by a subsidiary  in 1998 and which are
          substantially occupied by a subsidiary.

     D.   Approximately  17.6 million  cubic feet of cold  storage  space in two
          facilities  in Atlanta,  Georgia and  approximately  7.2 million cubic
          feet of cold storage space in a third facility near Rockmart, Georgia.
          These  facilities  are  used in  connection  with the  Company's  cold
          storage business.

     E.   Eleven cold storage  warehouse  properties  in North  Carolina,  South
          Carolina,  Alabama,  Mississippi  and Ohio,  which comprise  almost 23
          million cubic feet.  These properties were acquired by a subsidiary in
          1998 and are also used in connection  with the Company's  cold storage
          business.

All of the properties listed above are owned in fee by the Company.  In addition
to the foregoing,  Stone & Webster  occupies office space in various cities,  in
premises leased from others for varying periods - both long and short term - the
longest of which extends to 2008.

A 14-story office at 245 Summer Street,  Boston,  Massachusetts  was sold by the
Company  in  December  1999.  This  facility   continues  to  be  the  principal
headquarters  building of the Company.  The building is approximately 40 percent
occupied by registrant and its subsidiaries under a lease which expires no later
than March 2002.

Item 3.  Legal Proceedings.

     (a) Stone & Webster Engineering  Corporation  ("SWEC"), a subsidiary of the
registrant, has been named as a defendant, along with numerous other defendants,
in a number of  complaints  which seek damages  arising out of alleged  personal
injuries  and/or wrongful death due to exposure to asbestos  products  allegedly
utilized by the defendants.

     Many of these  complaints  have been  dismissed or withdrawn,  and SWEC has
settled many of these cases for amounts which, when taken together,  do not have
a material impact on registrant's  financial condition or results of operations.
The Company  believes that there has not been,  nor is there a probability  that
there will be, any accrual of a material liability of the registrant as a result
of the asbestos claims received to the present.

     SWEC  believes  that  it has  strong  factual  and  legal  defenses  to the
remaining claims and intends to defend vigorously.

     (b) Registrant and two of its subsidiaries have been named as defendants in
two pending  legal  actions  brought by Blackstone  Valley  Electric  Company in
January  1994  in  the  United  States   District  Court  for  the  District  of
Massachusetts  (along with another  company  named as a defendant)  and in March
1996 in the United States  District Court for the District of Rhode Island,  and
have received other claims from private parties seeking  contribution  for costs
incurred  or  to  be  incurred  in   remediation  of  sites  under  the  Federal
Comprehensive Environmental Response, Compensation and Liability Act and similar
state  statutes.  These matters relate to business  activities  which took place
generally in the first half of the 1900s. No  governmental  authority has sought
similar redress from the registrant or its  subsidiaries  (except in the case of
one subsidiary in limited  connection with claims made primarily with respect to
clients of that  subsidiary)  nor has the  registrant  been  determined  to be a
Potentially  Responsible Party by the Federal or any state or local governmental
authority,   although  some  information  has  been  requested  with  regard  to
environmental  matters.  Based on presently  known facts and  existing  laws and
regulations,  registrant and its subsidiaries believe that they have valid legal
defenses  to such  actions  and that the costs  associated  with  such  matters,
including  legal costs,  should be  mitigated by the presence of other  entities
which may be Potentially Responsible Parties, by contractual indemnities, and by
insurance coverage.

     Registrant  and one  subsidiary  are  plaintiffs  in a  separate  action to
recover damages, attorneys' fees and other monetary relief from certain of their
insurance carriers in connection with such matters.  In April 1996,  plaintiffs'
motion for summary  judgment on one carrier's  duty to defend  plaintiffs in two
matters,  including the first Blackstone action, was granted. No recognition has
been made in the financial statements for any potentially recoverable amounts.

     (c) In August 1999,  Union Carbide  Corporation  filed suit against Stone &
Webster Engineering  Corporation  ("SWEC"), a subsidiary of the registrant,  and
one of its employees in the 240th  Judicial  District  Court,  Fort Bend County,
Texas. The lawsuit arises out of an expansion of Union Carbide's Taft, Louisiana
ethylene  production  facility for which SWEC  initially  provided a preliminary
engineering  package,  including a preliminary cost and schedule  estimate,  and
later provided detailed engineering services and ethylene furnaces.  The lawsuit
alleges that SWEC  breached its contracts  with Union  Carbide and  fraudulently
understated  the estimated cost and schedule to complete the expansion and seeks
to recover  damages of  approximately  $150 million.  SWEC and its employee have
filed an answer to the lawsuit  denying each and every  allegation made by Union
Carbide and asserting affirmative defenses, including affirmative defenses based
upon  provisions  in the  contracts  between SWEC and Union  Carbide which limit
SWEC's  liability  to a maximum of  $1,500,000.  SWEC  believes  the  lawsuit is
without merit, that it has valid legal and contractual defenses,  and it intends
to vigorously defend.

     (d) Also see Note (L) to the consolidated financial statements as set forth
under "Notes to Consolidated  Financial  Statements"  which is filed herewith in
Exhibit (13)(i).

Item 4.  Submission of Matters to a Vote of Security Holders.

None.


                                     PART II

Item 5.  Market for Registrant's Common Equity and Related Stockholder Matters.

The  information  required by Item 5 is hereby  incorporated  by reference  from
"Market and Dividend Information" which is filed herewith in Exhibit (13)(i).

Item 6.  Selected Financial Data.

The  information  required by Item 6 is hereby  incorporated  by reference  from
"Selected Financial Data" which is filed herewith in Exhibit (13)(i).

Item 7.  Management's Discussion and Analysis of Financial Condition and Results
         of Operations.

The  information  required by Item 7 is hereby  incorporated  by reference  from
"Management's  Discussion  and  Analysis"  which is filed  herewith  in  Exhibit
(13)(i).

Item 7A.  Quantitative and Qualitative Disclosures About Market Risk.

The information required by Item 7A is hereby incorporated by reference from the
Financial  Condition  and  Liquidity  section of  "Management's  Discussion  and
Analysis",  and  from  Note  (A)  and  Note  (G) to the  consolidated  financial
statements  as set forth under  "Notes to  Consolidated  Financial  Statements",
which is filed herewith in Exhibit (13)(i).

Item 8.  Financial Statements and Supplementary Data.

The information  required by Item 8 is hereby incorporated by reference from the
Consolidated   Financial  Statements  of  Stone  &  Webster,   Incorporated  and
Subsidiaries which is filed herewith in Exhibit (13)(i).

The schedule required by Regulation S-X is filed herewith in Exhibit (13)(ii).

Item 9.  Changes  In  and  Disagreements  With  Accountants  on  Accounting  and
         Financial Disclosure.

Not applicable.


                                    PART III

Item 10.  Directors and Executive Officers of the Registrant.

In accordance with General Instruction G(3) to Form 10-K, the information called
for in this Item 10 with respect to Directors is not  presented  here since such
information is included in the  definitive  proxy  statement  which involves the
election of Directors  which will be filed  pursuant to Regulation 14A not later
than 120 days after the close of the fiscal year, and such information is hereby
incorporated by reference from Item I of such proxy statement.

See also the section captioned "Executive Officers of the Registrant" under Item
1 of Part I herein.

Item 11.  Executive Compensation.

In accordance with General Instruction G(3) to Form 10-K, the information called
for in this Item 11 is not presented here since such  information is included in
the definitive  proxy  statement  which involves the election of Directors which
will be filed pursuant to Regulation 14A not later than 120 days after the close
of the fiscal year,  and such  information is hereby  incorporated  by reference
from  Item I of such  proxy  statement,  except  that the  information  included
therein which is not required to be "filed" in accordance  with  Regulation S-K,
Item  402(a)(8)  (including  the Report of the  Compensation  Committee  and the
Performance  Graph) is not  incorporated  by reference as part of this report on
Form 10-K.

Item 12.  Security Ownership of Certain Beneficial Owners and Management.

In accordance with General Instruction G(3) to Form 10-K, the information called
for in this Item 12 is not presented here since such  information is included in
the definitive  proxy  statement  which involves the election of Directors which
will be filed pursuant to Regulation 14A not later than 120 days after the close
of the fiscal year,  and such  information is hereby  incorporated  by reference
from Item I of such proxy statement.

Item 13.  Certain Relationships and Related Transactions.

In accordance with General Instruction G(3) to Form 10-K, the information called
for in this Item 13 is not presented here since such  information is included in
the definitive  proxy  statement  which involves the election of Directors which
will be filed pursuant to Regulation 14A not later than 120 days after the close
of the fiscal year,  and such  information is hereby  incorporated  by reference
from Item I of such proxy statement.


                                     PART IV

Item 14.  Exhibits, Financial Statement Schedule, and Reports on Form 8-K.

(a)  Documents filed as part of the report:

     1.   Financial Statements and Financial Statement Schedule

          (i) The  following  items,  which are  included in  registrant's  1999
     Annual Report to Shareholders, are filed herewith in Exhibit (13)(i).

          Management's Discussion and Analysis

          Financial Statements:
            Consolidated  Statements of  Operations and Comprehensive Income for
               the Three Years Ended December 31, 1999
            Consolidated Balance Sheets at December 31, 1999 and 1998
            Consolidated Statements of Shareholders' Equity for the Three  Years
               Ended December 31, 1999
            Consolidated  Statements of  Cash  Flows for the  Three  Years Ended
               December 31, 1999
            Notes to Consolidated Financial Statements
            Report of Management
            Selected Financial Data
            Quarterly Financial Data
            Market and Dividend Information

          (ii)  Financial  Statement Schedule for the Three Years Ended December
     31, 1999:

                II.  Valuation and Qualifying Accounts

          (iii)   Report  of  Independent  Accountants

     2.   Exhibits:

          (3)  Articles of Incorporation and By-laws -

               (i) The Restated  Certificate of Incorporation of registrant,  as
          amended  (incorporated  by reference to Exhibit 3 (i) to  registrant's
          Registration Statement on Form S-4 (File No. 333-57961) filed with the
          Commission on June 29, 1998).

               (ii) The  By-laws  of  registrant,  as amended  (incorporated  by
          reference to Exhibit (3)(ii) to registrant's  Form 10-K for the fiscal
          year ended December 31, 1998).

          (4)  Instruments  defining the rights of security  holders,  including
     indentures -

               (i) As of December 31, 1999,  registrant and its subsidiaries had
          outstanding   long-term  debt  (excluding  current  portion)  totaling
          approximately  $19,950,000,  principally in connection  with mortgages
          relating to real property for a subsidiary's  office building,  and in
          connection with capitalized  lease  commitments for the acquisition of
          certain  computer  equipment.  None  of  these  agreements  are  filed
          herewith because the amount of indebtedness authorized under each such
          agreement  does not  exceed  10  percent  of the  total  assets of the
          registrant  and  its   subsidiaries  on  a  consolidated   basis;  the
          registrant  hereby  undertakes to furnish copies of such agreements to
          the Commission upon request.

               (ii) Rights Agreement, dated as of August 15, 1996, between Stone
          & Webster,  Incorporated and ChaseMellon Shareholder Services, L.L.C.,
          (incorporated by reference to Exhibit 1.1 to registrant's Registration
          Statement on Form 8-A filed on August 16, 1996).

          (10) Material contracts -

               (a)  1995  Stock  Option  Plan of Stone &  Webster,  Incorporated
          (incorporated   by  reference  to  Exhibit  4-b  to  the  registrant's
          Registration  Statement  on Form S-8 filed on June 22,  1995 (File No.
          33-60489)).

               (b)  1997  Stock  Plan  for  Non-employee  Directors  of  Stone &
          Webster,  Incorporated (incorporated by reference to Exhibit 10 (c) to
          registrant's Form 10-K for the fiscal year ended December 31, 1996).

               (c) Form of  agreement  between  registrant  and Named  Executive
          Officers of  registrant  dated as of August 31, 1995,  and  subsequent
          dates,  relating to certain employment  arrangements that would become
          operable only in the event of a "change of control" (as defined in the
          form of agreement) (incorporated by reference to Exhibit 10 (b) to the
          registrant's  Registration  Statement on Form S-4 (File No. 333-57961)
          filed with the Commission on June 29, 1998.

               (d) The  following  forms  of  agreements  with  H. Kerner  Smith
          relating to  employment  with  registrant  as Chairman,  President and
          Chief  Executive  Officer are  incorporated by reference to Exhibit 10
          (e) to the  registrant's  Form 10-K for the fiscal year ended December
          31, 1995: a form of Employment Agreement filed therewith as Exhibit 10
          (e)(i);  a form  of  Change  of  Control  Employment  Agreement  filed
          therewith  as Exhibit 10  (e)(ii);  and a form of Stock  Option  Grant
          filed therewith as Exhibit 10 (e)(iii). An Amendment dated January 15,
          1997 to the  Employment  Agreement  (10)  (e)(i)  is  incorporated  by
          reference  to Exhibit 10  (e)(iv)  of  registrant's  Form 10-K for the
          fiscal year ended December 31, 1996.

               (e)  Non-employee   Director   Deferral  Plan   (incorporated  by
          reference  to  Exhibit  10(f) to the  registrant's  Form  10-K for the
          fiscal year ended December 31, 1998).

               (f) Annual Incentive Compensation Plan (incorporated by reference
          to Exhibit 10 (g) to the  registrant's  Form 10-K for the fiscal  year
          ended December 31, 1998).

               (g)   Long-Term   Incentive   Compensation   Plan,   as  amended,
          (incorporated by reference to Exhibit 4.4 to registrant's Registration
          Statement on Form S-8 (File No.  333-71857)  filed with the Commission
          on February 5, 1999).

               (h)  Form  of   employment   agreement   with   James  P.   Jones
          (incorporated by reference to Exhibit 10(I) to the  registrant's  Form
          10-K for the fiscal year ended December 31, 1998).

               (i) Form of  employment  agreement  with  Peter M.  Evans  (filed
          herewith).

          ______________
          *Exhibits  10 (a) through  (i) are compensatory  plans, contracts  and
           arrangements  in  which  Directors  and  certain  executive  officers
           participate.

               (j) Credit  Agreement dated as of July 30, 1999  (incorporated by
          reference to Exhibit 10 to the registrant's  Form 10-Q for the quarter
          ended September 30,1999).

               (k) Amendment  dated as of November 29, 1999 to Credit  Agreement
          dated as of July 30, 1999 (filed herewith).

          (13) (i) Financial  Section of 1999 Annual  Report to Shareholders for
      the fiscal year ended December 31, 1999 (filed herewith).

               (ii) Financial Statement Schedule (filed herewith).

               (iii) Report of Independent  Accountants (filed herewith).

          (21) Subsidiaries of the registrant (filed herewith).

          (23) Consent of Independent Accountants (filed herewith).

          (24) (i)  Secretary's Certificate (filed herewith).

               (ii) Powers of Attorney (filed herewith).

          (27) Financial Data Schedule (filed herewith).

(b)  Reports on Form 8-K

     Registrant filed the following reports on Form 8-K  during the last quarter
of the period covered by this report.

Date of Form 8-K    Description
- ----------------    -----------
October 27, 1999     Submitted  under Item 7,  Financial  Statements,  Pro Forma
                     Financial Information and Exhibits,  relating to the report
                     of third quarter  results,  a plan to sell non-core  assets
                     and the omission of a dividend.

December 6, 1999     Submitted  under  Item 5,  Other  Events,  relating  to the
                     agreement  with the  registrant's  principal  bank  lending
                     group to expand and extend its current credit facility, and
                     relating  to  the  sale  of the  registrant's  headquarters
                     building in Boston, Massachusetts.

December 17, 1999    Submitted under Item 5, Other Events,  relating to the sale
                     of one million shares of the registrant's common stock held
                     in its  treasury  to the  Employee  Retirement  Plan of the
                     registrant and its participating subsidiaries.

<PAGE>
                           SIGNATURES


Pursuant to the  requirements of Section 13 or 15(d) of the Securities  Exchange
Act of 1934,  the  registrant  has duly  caused  this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

                            STONE & WEBSTER, INCORPORATED



                            By   /S/  THOMAS L. LANGFORD
                            ----------------------------------------------------
                                 Thomas L. Langford
                                 Executive Vice President
                                 (Duly Authorized Officer and Chief
                                 Financial and Accounting Officer)




Date:  April 14, 2000

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following  persons on behalf of the  registrant and
in the capacities and on the date indicated.


                            /S/  H. KERNER SMITH
                            ----------------------------------------------------
                                 H. Kerner Smith
                                 Chairman, President and Chief Executive Officer
                                 Director


                            /S/  PETER M. EVANS
                            ----------------------------------------------------
                                 Peter M. Evans
                                 Senior Executive Vice President
                                 Director


                            *
                            ----------------------------------------------------
                                 Donna F. Bethell
                                 Director


                            *
                            ----------------------------------------------------
                                 Frank J. A. Cilluffo
                                 Director


                            *
                            ----------------------------------------------------
                                 Kent F. Hansen
                                 Director


                            *
                            ----------------------------------------------------
                                 Elvin R. Heiberg III
                                 Director


                            *
                            ----------------------------------------------------
                                 David N. McCammon
                                 Director


                            *
                            ----------------------------------------------------
                                 J. Angus McKee
                                 Director


                            *
                            ----------------------------------------------------
                                 Bernard W. Reznicek
                                 Director


                            *
                            ----------------------------------------------------
                                 Peter M. Wood
                                 Director



                            *By:  /S/   JAMES P. JONES
                                  ---------------------------------------------
                                        James P. Jones
                                        Attorney-In-Fact


Manually  signed  Powers of Attorney  authorizing  H. Kerner  Smith and James P.
Jones and each of them to sign the  Annual  Report  on Form 10-K for the  fiscal
year ended December 31, 1999 and any amendments thereto as Attorney-in-Fact  for
certain Directors of the registrant are included herein as Exhibits 24(ii).

<PAGE>
                                  EXHIBIT INDEX

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

3 (i)     Restated Certificate of Incorporation (incorporated by reference)

  (ii)    By-Laws (incorporated by reference)

4 (ii)    Rights  Agreement,  dated  as  of  August 15,  1996,  between  Stone &
          Webster, Incorporated and  ChaseMellon  Shareholder  Services,  L.L.C.
          (incorporated by reference)

10 (a)    Material   contracts   -  1995  Stock  Option  Plan  (incorporated  by
          reference)

   (b)    Material  contracts  -  1997  Stock  Plan  for  Non-employee Directors
          (incorporated by reference)

   (c)    Material contracts - Form of change of control agreement (incorporated
          by reference)

   (d)    Material  contracts - Forms of agreement with H. Kerner Smith relating
          to  (i)  Employment  Agreement;  (ii)  Change  of  Control  Employment
          Agreement;  (iii) Stock Option Grant; and (iv) Amendment to Employment
          Agreement (each incorporated by reference)

   (e)    Material contracts - Non-employee Director Deferral Plan (incorporated
          by reference)

   (f)    Material contracts - Annual Incentive  Compensation Plan (incorporated
          by reference)

   (g)    Material   contracts   -   Long-Term   Incentive   Compensation   Plan
          (incorporated by reference)

   (h)    Material  contracts  -  Employment   agreement  with  James  P.  Jones
          (incorporated by reference)

   (i)    Material  contracts - Employment  agreement with Peter M. Evans (filed
          herewith)

   (j)    Credit Agreement dated as of July 30, 1999 (incorporated by reference)

   (k)    Amendment  dated as of November 29, 1999 to Credit  Agreement dated as
          of July 30, 1999 (filed herewith)

13 (i)    Financial  Section of the  1999 Annual  Report to Shareholders for the
          fiscal year ended December 31, 1999 (filed herewith)

   (ii)   Financial Statement Schedule (filed herewith)

   (iii)  Report of  Independent  Accountants (filed herewith)

21        Subsidiaries of the Registrant (filed herewith)

<PAGE>
No.                           Exhibit

23        Consent of Independent Accountants (filed herewith)

24 (i)    Secretary's Certificate (filed herewith)

   (ii)   Powers of Attorney (filed herewith)

27        Financial Data Schedule (filed herewith)





<PAGE>
                                 Exhibit 10 (i)
                               Material Contracts



                    Employment Agreement with Peter M. Evans



                                                                January 19, 1999
Mr. Peter M. Evans
3214 Willow Terrace Drive
Kingwood, TX  77345

Dear Pete:

I am pleased to confirm that you have  accepted our offer of  employment  in the
position of President and Chief Operating  Officer of Stone & Webster  Engineers
and  Constructors,  Inc.,  reporting to me. Your  employment will commence as of
January 21,  1999.  Your  annual base salary will be $375,000  paid on a monthly
basis.  Your location will be Boston,  Massachusetts.  Other  provisions of your
employment include the following:

- -    You  will  participate  in  our  annual  Executive   Management   Incentive
     Compensation Plan at a target bonus opportunity of 100% of your base salary
     with a range of 40% to 125% based on contribution performance.

- -    You will be  guaranteed a minimum 100% of base salary bonus for fiscal year
     1999, payable prior to March 1, 2000.

- -    You will be granted 25,000 stock options for fiscal year 1999.

- -    Vacation will be four weeks per year.

- -    You will participate in our Long Term Incentive Compensation Plan (See Plan
     summary).  As we discussed,  the Board will set final financial targets for
     this plan in January 1999. You will be designated 6000  Performance  Shares
     for the initial year in fiscal year 1999.

- -    You will participate in our Annual Executive  Physical Program at the Tufts
     New England Medical Center.

- -    You will receive a Change in Control  Agreement with a 3-year severance and
     continuance of benefit provision (see Agreement).

- -    If your  employment is terminated by the Company for any reason (other than
     for cause), you will receive a severance benefit equal to two years salary.

- -    A full  Relocation  Package  will be worked  out with Bob  Morrow.  We will
     provide a Company paid apartment in the Boston area for a reasonable period
     of time until your relocation can be completed.

- -    You will be eligible to  participate  in the  Employee  Investment  Plan in
     1999.  You  may  elect  to  contribute  up to a  maximum  of  15%  of  your
     compensation  (as  defined  under the Plan) on a before or after tax basis.
     The first 5% of compensation you invest on a before or after tax basis will
     be  matched  by the  Company  at 25%.  All  contributions  are  subject  to
     applicable IRS rules and regulations.

- -    Membership  in the  Employee  Retirement  Plan  (ERP)  and  Employee  Stock
     Ownership Plan (ESOP) will commence  after one year of  employment.  If you
     terminate  employment  with the Company and are not vested under the ERP no
     benefit is due from the ERP, however,  payment of the benefit accrued under
     the ERP will become the obligation of the Company.

- -    You  will  participate  in  the  Stone  &  Webster  Supplemental   Employee
     Retirement Plan (SERP)

- -    You will be eligible to participate  immediately in the Company's  medical,
     dental, disability, life and other benefits.

Since we are  obligated  by  federal  and state laws and our  benefits  plans to
obtain  certain  information  regarding all new  employees,  your  employment is
contingent  upon the  completion  of all the  segments of the  on-roll  process,
including  a physical  to be  conducted  by your  Physician  or with our Company
Medical Director at the Tufts New England Medical Center.

Please confirm your agreement with the foregoing by signing and returning a copy
of this letter to me.

I look forward to having you join our Management team.

Very truly yours,




H. Kerner Smith
Chairman, President and Chief Executive Officer


                                        The forgoing is accepted:



                                        ___________________________________
                                        Peter M. Evans

<PAGE>

                                 Exhibit 10 (k)

                   Amendment dated as of November 29, 1999 to
                   Credit Agreement dated as of July 30, 1999


                       FIRST AMENDMENT TO CREDIT AGREEMENT


          THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this "Agreement") is entered
into  as of the  29th  day of  November,  1999  by and  among  STONE  &  WEBSTER
INCORPORATED,  a Delaware corporation (the "Company"),  the BANKS (as defined in
the Credit Agreement  referred to below) signatories hereto and BANK OF AMERICA,
N.A.,  as  Issuing  Bank and as Agent (as such  terms are  defined in the Credit
Agreement referred to below).

          WHEREAS,  the Company,  the Banks,  the Agent and the Issuing Bank are
party to that certain  Credit  Agreement  dated as of July 30, 1999 (the "Credit
Agreement";   capitalized  terms  used  herein  without  definition  having  the
respective meanings set forth therein);

          WHEREAS,  certain terms and  provisions of the Credit  Agreement  have
been waived or modified pursuant to a Waiver dated as of October 26, 1999;

          WHEREAS,  except as provided in the Waiver described above, the Credit
Agreement and the other Loan Documents remain in full force and effect according
to their terms and have not been amended or modified; and

          WHEREAS,  as of  the  date  hereof,  the  principal  amount  of  Loans
outstanding under the Credit Agreement is $130,000,000; and

          WHEREAS,  Bank of America,  the Company  and  certain  other  Borrower
Parties have entered into a Pre-Workout  Agreement dated as of November 19, 1999
concerning,  among other matters,  negotiations and discussions  relative to the
Loans made pursuant to the Credit Agreement and additional  extensions of credit
requested by the Company; and

          WHEREAS,  the Company has  requested  additional  extensions of credit
from the Banks and has requested certain amendments to the Credit Agreement; and

          WHEREAS,  the Banks are  willing  to extend  additional  credit to the
Company  and to amend the  Credit  Agreement  on the terms  and  subject  to the
conditions set forth herein;

          NOW,  THEREFORE,  in consideration of the agreement herein  contained,
the parties hereto agree as follows:


                                    ARTICLE I

                                   AMENDMENTS

          SECTION  1.1.  Definitions.  Section  1.01 of the Credit  Agreement is
amended as set forth below.

          SECTION  1.1.1.  Applicable  Margin.  The  definition  of  "Applicable
Margin" is amended to read as follows:

          "Applicable  Margin" means,  for each Base Rate Loan and Offshore Rate
Loan,  during each period set forth  below,  the  applicable  rate per annum set
forth under the relevant  column heading  below,  provided that, for purposes of
Section 3.08(a) only, the Applicable  Margin with respect to Offshore Rate Loans
shall not exceed 3.60% per annum:

             Period            Base Rate     Offshore Rate
                                 Loans           Loans
         Closing Date to
        November 29, 1999          0%            1.60%
        November 29, 1999
      to December 31, 1999       1.00%           2.60%
         January 1, 2000
       to January 31, 2000       1.50%           3.10%
        February 1, 2000
       to February 29, 2000      2.00%           3.60%
          March 1, 2000
        to March 31, 2000        2.50%           4.10%
          April 1, 2000
        to April 30, 2000        3.00%           4.60%
     May 1, 2000 to date of
      full satisfaction of       3.50%           5.10%
         all Obligations

          SECTION  1.1.2.  Company  Pledged  Shares.  The definition of "Company
Pledged Shares" is amended to read as follows:

          "Company  Pledged  Shares"  means  each of the  shares  of (i)  Summer
     Street, (ii) Nordic Holdings,  Inc., a Delaware  corporation,  (iii) Nordic
     Investors, Inc., a Nevada corporation,  (iv) SWEC and (v) HBC, each pledged
     to the Agent,  for the  benefit of the Banks and the other  Senior  Secured
     Lenders, pursuant to the Company Pledge Agreement.

          SECTION 1.1.3.  First  Amendment.  The following  definition  shall be
inserted in the appropriate alphabetical location:

          "First  Amendment" means the First Amendment to Credit Agreement dated
     as of November 29, 1999 among the  Company,  the Banks and the Issuing Bank
     and Agent.

          SECTION 1.1.4. HBC. The following  definition shall be inserted in the
appropriate alphabetical location:

          "HBC" means Headquarters Building Corporation, a Delaware corporation.

          SECTION 1.1.5. HBC Pledge Agreement. The following definition shall be
inserted in the appropriate alphabetical location:

          "HBC Pledge  Agreement"  means the Pledge Agreement dated November 29,
     1999  from HBC to the  Agent,  for the  benefit  of the banks and the other
     Senior Secured Lenders.

          SECTION 1.1.6. HBC Pledged Shares.  The following  definition shall be
inserted in the appropriate alphabetical location:

          "HBC Pledged  Shares" means the shares of Summer Street pledged to the
     Agent,  for the benefit of the Banks and the other Senior Secured  Lenders,
     pursuant to the HBC Pledge Agreement.

          SECTION 1.1.7.  L/C Commitment.  The definition of "L/C Commitment" is
amended to read as follows:

          "L/C  Commitment"  means the  commitment of the Issuing Bank to Issue,
     and the  commitment of the Banks  severally to  participate  in, Letters of
     Credit  (including the Existing Letters of Credit) from time to time Issued
     or outstanding  under Article III, in an aggregate  amount not to exceed on
     any date  $100,000,000,  as the  same  shall be  reduced  as a result  of a
     reduction  in the L/C  Commitment  pursuant  to  Sections  2.05  and  2.07;
     provided  that the L/C  Commitment  is a part of the Combined  Commitments,
     rather than a separate, independent commitment.

          SECTION  1.1.8.  Principal  Subsidiary.  The  definition of "Principal
Subsidiary" is amended to read as follows:

          "Principal  Subsidiary" means any direct or indirect Subsidiary of the
     Company  which (a) owns directly or indirectly 5% or more of the book value
     of the assets of the Company and its  Subsidiaries on a consolidated  basis
     or (b) has  contributed  directly or  indirectly  more than 5% of the gross
     consolidated  revenues of the Company and its  Subsidiaries  for any one of
     the  preceding  four fiscal  quarters of the  Company,  and shall deemed to
     include HBC, Summer Street and SWMC.

          SECTION 1.1.9. Senior Indebtedness.  The following definition shall be
inserted in the appropriate alphabetical location:

          "Senior  Indebtedness"  has the meaning set forth in the Intercreditor
     Agreement.

          SECTION 1.1.10.  SWEC Pledged Shares.  The definition of "SWEC Pledged
Shares" is amended to read as follows:

          "SWEC Pledged  Shares"  means each of the shares of (i) SWMC,  (ii) SW
     Engineering,  (iii)  Stone &  Webster  Overseas  Group,  Inc.,  a  Delaware
     corporation,   (iv)  Belmont   Constructors   Company,   Inc.,  a  Delaware
     corporation, and (v) Stone & Webster Construction Company, Inc., a Delaware
     corporation,  each  pledged to the Agent,  for the benefit of the Banks and
     the other Senior Secured Lenders, pursuant to the SWEC Pledge Agreement.

          SECTION 1.1.11.  SW  Engineering.  The following  definition  shall be
inserted in the appropriate alphabetical location:

          "SW  Engineering"  means Stone & Webster  Engineering  Corporation,  a
     Massachusetts corporation.

          SECTION 1.1.12. Termination Date. The definition of "Termination Date"
is amended to read as follows:

          "Termination Date" means the earlier to occur of:

                    (a) May 31, 2000; or

                    (b) the date on which the Revolving Loan Commitment Sublimit
          or the L/C Commitment  terminates in accordance with the provisions of
          this Agreement.

          SECTION 1.2.  Correction to Section  2.01.  Section 2.01 of the Credit
Agreement is amended to read as follows:

          2.01 Amounts and Terms of Commitments .

          Each Bank  severally  agrees,  on the terms and  conditions  set forth
     herein,  to make loans to the Company (each such loan, a "Revolving  Loan")
     from time to time on any  Business  Day during the period  from the Closing
     Date to the Termination  Date, in an aggregate  amount not to exceed at any
     time  outstanding  as to each Bank the  amount set forth on  Schedule  2.01
     opposite  such  Bank's name under the heading  "Revolving  Loan  Commitment
     Sublimit"  (such amount,  as the same may be reduced under Sections 2.05 or
     2.07 or as a result of one or more  assignments  under Section  11.08,  the
     Bank's  "Revolving Loan Commitment  Sublimit");  provided,  however,  that,
     after giving effect to any Borrowing of Revolving  Loans, (i) the Effective
     Amount of all outstanding  Revolving Loans shall not at any time exceed the
     Combined Revolving Loan Commitment Sublimit;  and (ii) the Effective Amount
     of all  outstanding  Revolving  Loans and the Effective  Amount of the U.S.
     Dollar  Equivalent of all L/C Obligations  shall not at any time exceed the
     Combined  Commitments;  and provided further, that (i) the Effective Amount
     of the Revolving Loans of any Bank shall not at any time exceed such Bank's
     Revolving  Loan  Commitment  Sublimit and (ii) the Effective  Amount of the
     Revolving  Loans of any Bank  plus the  participation  of such  Bank in the
     Effective Amount of the U.S. Dollar Equivalent of all L/C Obligations shall
     not at any time exceed such  Bank's  Commitment.  Within the limits of each
     Bank's Revolving Loan Commitment  Sublimit,  and subject to the other terms
     and  conditions  hereof,  the Company may borrow with  respect to Revolving
     Loans under this Section 2.01,  prepay under Section 2.06 and reborrow with
     respect to Revolving Loans under this Section 2.01 until November 28, 1999.

          SECTION 1.3.  Prohibition of New Offshore Rate Loans and Reborrowings.
Section  2.03 of the  Credit  Agreement  is  amended  by  adding  the  following
paragraph (f) at the end thereof:

          (f) After  November 28, 1999, the Company may not elect to have a Loan
     be made as, or converted  into or continued  as, an Offshore  Rate Loan and
     may not reborrow any Revolving Loans prepaid by the Company.

          SECTION  1.4.  Prohibition  of  Conversion  Into  or  Continuation  of
Offshore Rate Loans.  Section 2.04 of the Credit  Agreement is amended by adding
the following paragraph (g) at the end thereof:

          (g) After  November 28, 1999, the Company may not elect to have a Loan
     converted into or continued as an Offshore Rate Loan.

          SECTION 1.5.  Exception  to Section  2.07(d).  Section  2.07(d) of the
Credit Agreement is amended to read as follows;

          (d) Subject to the  provisions of Section  2.07(e),  if the Company or
     any of its  Subsidiaries  shall  at any time or from  time to time  make or
     agree to make a Disposition, then (i) the Company shall promptly notify the
     Agent of such proposed  Disposition  (including the amount of the estimated
     Net  Proceeds to be received  by the Company in respect  thereof)  and (ii)
     promptly upon receipt by the Company or its  Subsidiary of the Net Proceeds
     of such Disposition,  the Company shall prepay Loans in an aggregate amount
     equal to the amount of such Net Proceeds.

          SECTION  1.6.  Proceeds  of Sale  of  Headquarters  Building.  Section
2.07(e) of the Credit Agreement is amended to read as follows:

          (e) If Summer Street shall sell the Headquarters Building, the Company
     shall promptly  notify the Agent of the estimated Net Proceeds of such sale
     to be received by the Company or Summer  Street in respect  thereof.  If an
     Event of Default  shall have  occurred and be continuing at the time of the
     closing of the sale, the Company shall cause the entire Net Proceeds of the
     sale to be paid to the Agent for application  pursuant to the Intercreditor
     Agreement and Section  2.07(h).  If no Event of Default has occurred and is
     continuing at the time of the closing of the sale,  the Company shall cause
     the Net Proceeds to be applied as follows: (i) the first $140,000,000 shall
     be paid to the Agent for  application  pursuant  to  Section  2.07(h);  the
     balance shall be retained by the Company for working capital.  For purposes
     of calculating Net Proceeds for purposes of this Section 2.07(e), the costs
     and taxes  deducted from the gross proceeds of sale pursuant to clauses (a)
     and (b) of the definition of Net Proceeds  shall not exceed  $2,500,000 and
     the amounts deducted from the gross proceeds of sale pursuant to clause (c)
     of the definition of Net Proceeds shall not include any payments on account
     of Liens in favor of the Agent.

          SECTION  1.7.  Proceeds  of New  Equity.  Section  2.07 of the  Credit
Agreement is amended by adding the following paragraph (i) at the end thereof:

          (i) Upon  consummation of any issuance of any equity securities of the
     Company or any of its Subsidiaries, the Company shall cause an amount equal
     to 50% of the aggregate cash and non-cash  proceeds  received or receivable
     in connection therewith (net of reasonable out-of-pocket costs and expenses
     paid or  incurred  in  connection  therewith  in favor of any Person not an
     Affiliate of the Company) in excess of $25,000,000  (on a cumulative  basis
     for all issuances of equity securities occurring after the Closing Date) to
     be paid to the Agent for application pursuant to Section 2.07(h).

          SECTION 1.8. Interest Rate For Offshore Rate Loans. Section 2.09(a) of
the Credit Agreement is amended to read as follows:

          (a)  Each  Revolving  Loan  shall  bear  interest  on the  outstanding
     principal  amount thereof from the applicable  Borrowing Date at a rate per
     annum equal to the Offshore  Rate or the Base Rate, as the case may be (and
     subject to the  Company's  right to convert to other  Types of Loans  under
     Section 2.04),  plus the Applicable  Margin,  provided that, after November
     28,  1999,  during  any  period in which the Base Rate plus the  Applicable
     Margin for Base Rate Loans  exceeds the Offshore  Rate plus the  Applicable
     Margin for Offshore Rate Loans, each Offshore Rate Loan shall bear interest
     at the Base Rate plus the Applicable Margin for Base Rate Loans.

          SECTION 1.9. Interest Rate After Event of Default.  Section 2.09(c) of
the Credit Agreement is amended to read as follows:

          (c)  Notwithstanding  clause (a) of this Section 2.09, while any Event
     of  Default  exists  or  after  acceleration  of  any  of  the  Obligations
     hereunder,  the Company shall pay interest (after, as well as before, entry
     of judgment thereon to the extent permitted by law) on the principal amount
     of all outstanding Loans, at a rate per annum which is determined by adding
     2% per annum to the Applicable Margin then in effect for such Loans and, in
     the case of Obligations not subject to an Applicable  Margin, at a rate per
     annum which is determined by adding 2% per annum plus the Applicable Margin
     for Base  Rate  Loans to the Base  Rate  (the  "Default  Rate");  provided,
     however,  that,  on  and  after  the  expiration  of  any  Interest  Period
     applicable to any Offshore Rate Loan  outstanding on the date of occurrence
     of such Event of Default or acceleration, the principal amount of such Loan
     shall,   during  the  continuation  of  such  Event  of  Default  or  after
     acceleration,  bear  interest  at a rate per annum which is  determined  by
     adding 2% per annum plus the  Applicable  Margin for Base Rate Loans to the
     Base Rate.

          SECTION 1.10.  Restructuring Fee. Section 2.10 of the Credit Agreement
is amended by adding the following paragraph (c) at the end thereof:

          (c)  Amendment,  Waiver and  Restructuring  Fee. On the earlier of (i)
     January  31, 2000 and (ii) the date of sale of the  Headquarters  Building,
     the Company  shall pay to the Agent for the account of each Bank,  pro-rata
     according to each Bank's Commitment, an amendment, waiver and restructuring
     fee in the aggregate amount of $575,000.

          SECTION  1.11.  Letter of Credit Fees.  Section  3.08(a) of the Credit
Agreement is amended to read as follows:

          3.08 Letter of Credit  Fees . (a) The  Company  shall pay to the Agent
     for the account of each of the Banks a letter of credit fee with respect to
     the Letters of Credit  equal to (i) the  Applicable  Margin with respect to
     Offshore Rate Loans, in the case of Financial  Letters of Credit,  and (ii)
     (A) prior to November  29,  1999,  fifty  percent  (50%) of the  Applicable
     Margin with respect to Offshore Rate Loans and (B) from and after  November
     29, 1999, the Applicable Margin with respect to Offshore Rate Loans less 50
     basis  points,  in the  case  of  Non-Financial  Letters  of  Credit,  each
     calculated  on a per  annum  basis of the  U.S.  Dollar  Equivalent  on the
     average  daily  maximum  amount  available  to be drawn of the  outstanding
     Letters of Credit,  computed  on a  quarterly  basis in arrears on the last
     Business  Day of  each  calendar  quarter  based  upon  Letters  of  Credit
     outstanding  for that quarter as  calculated  by the Agent.  Such letter of
     credit  fees  shall be due and  payable  quarterly  in  arrears on the last
     Business Day of each  calendar  quarter  during which Letters of Credit are
     outstanding, commencing on the first such quarterly date to occur after the
     Closing Date,  through the Termination  Date (or such later date upon which
     the outstanding Letters of Credit shall expire),  with the final payment to
     be made on the Termination Date (or such later expiration date).

          SECTION 1.12. No Further Increase in Commitments.  Section 4.10 of the
Credit Agreement is deleted.

          SECTION 1.13. Additional Conditions to Credit Extensions. Article V of
the Credit Agreement is amended by adding the following  section 5.04 at the end
thereof:

          5.04 Additional Conditions to Certain Credit Extensions.

               (a) The  obligation of each Bank to make any Revolving Loan to be
     made by it which would  increase the  Effective  Amount of all  outstanding
     Revolving  Loans to an amount in excess of  $140,000,000  is subject to the
     satisfaction  of  the  following   conditions  precedent  on  the  relevant
     Borrowing Date:

                    (i) Summer Street shall have entered into a binding contract
          for the sale of the Headquarters Building and such contract shall have
          been assigned to the Agent, for the benefit of the Banks and the other
          Senior Secured Lenders, as additional Collateral; and

                    (ii)  The  Company  shall  have   retained  a   professional
          consultant in accordance with the provisions of Section 7.14(g).

               (b) The  obligation of each Bank to make any Revolving Loan to be
     made by it which would  increase the  Effective  Amount of all  outstanding
     Revolving  Loans to an amount in excess of  $150,000,000  is subject to the
     satisfaction  of  the  following   conditions  precedent  on  the  relevant
     Borrowing Date:

                    (i)  The  Company  shall  have   satisfied  the   conditions
          precedent set forth in Section 5.04(a); and

                    (ii)  Summer   Street   shall  have   obtained   the  Boston
          Redevelopment   Authority's   approval   of  the   purchaser   of  the
          Headquarters   Building  under  the  contract  referenced  in  Section
          5.04(a)(i) and any other approval  required by the 121A Agreements for
          Summer  Street  to sell  the  Headquarters  Building  pursuant  to the
          contract.

          SECTION  1.14.  Solvency.  Section  6.20 of the  Credit  Agreement  is
amended to read as follows:

          6.20  Solvency . Each of the Company and its  Subsidiaries  is Solvent
     and,   immediately   after  giving  effect  to  the   consummation  of  the
     transactions  contemplated by this  Agreement,  each of the Company and its
     Subsidiaries will be Solvent.

               For purposes of this Section 6.20 the term "Solvent"  shall mean,
     with respect to any Person, that:

               (a) the assets of such Person,  at a fair  valuation,  exceed the
     total  liabilities  (including  contingent,   subordinated,  unmatured  and
     unliquidated liabilities) of such Person; and

               (b) based on current  projections,  which are based on underlying
     assumptions  which provide a reasonable basis for the projections and which
     reflect such Person's  judgment based on present  circumstances of the most
     likely set of conditions and such Person's most likely course of action for
     the period  projected,  such Person believes it has sufficient cash flow to
     enable it to pay its Indebtedness as it matures.

               For purposes of this Section  6.20,  the "fair  valuation" of the
     assets of any Person shall be  determined  on the basis of the amount which
     may be realized within a reasonable time, either through collection or sale
     of such assets at the regular  market value,  conceiving  the latter as the
     amount  which could be obtained  for the  property in question  within such
     period by a capable and diligent  businessman  from an interested buyer who
     is willing to purchase under ordinary selling conditions.

          SECTION 1.15. Weekly  Reporting.  Section 7.02 of the Credit Agreement
is amended to read as follows:

          7.02  Certificates;  Other  Information . The Company shall furnish to
     the Agent and to each Bank:

               (a)  concurrently  with the delivery of the financial  statements
     referred to in Sections 7.01(a) and (b), a Compliance  Certificate executed
     by a Responsible Officer;

               (b) promptly after the same are available,  copies of each annual
     report,  proxy or financial statement or other report or communication sent
     to the  stockholders  of the  Company,  and copies of all annual,  regular,
     periodic and special reports and registration  statements which the Company
     may file or be required  to file with the SEC under  Section 13 or 15(d) of
     the  Securities  Exchange  Act of 1934,  and not  otherwise  required to be
     delivered  to the  Bank  pursuant  to  other  provisions  of this  Section,
     including,  without  limitation,  any  disclosure  required  by the  SEC in
     connection with the Year 2000 problem;

               (c) upon the  request  of the  Agent or any  Bank,  a copy of the
     Company's and its Subsidiaries'  plan,  timetable and budget to address the
     Year 2000 problem;

               (d) promptly, such additional information regarding the business,
     financial  or  corporate  affairs of the Company or any  Subsidiary  as the
     Agent, at the request of any Bank, may from time to time request; and

               (e) on a weekly  basis,  a report  in such  form,  substance  and
     detail as the Agent reasonably may request concerning the Company's and the
     Subsidiaries' current cash position, current and projected sources and uses
     of cash,  vendor  payments  and vendor  payables,  the  status of  material
     contracts and the comparison of actual  results versus the budget  provided
     pursuant to Section 2.1.15 of the First Amendment.

          SECTION  1.16.  Section  7.07(c)  Correction.  Section  7.07(c) of the
Credit Agreement is amended by replacing "indebtedness" with "Indebtedness".

          SECTION 1.17. Use of Proceeds. Section 7.12 of the Credit Agreement is
amended to read as follows:

          7.12 Use of Proceeds . The Company shall use the proceeds of the Loans
     (i) to refinance a portion of  outstanding  indebtedness  of the Company to
     the  Prior  Bank   Lenders  in  an   aggregate   principal   amount  up  to
     $110,670,728.59;  (ii) to pay expenses and costs associated with the Loans;
     and (iii) to provide  for general  corporate  purposes,  including  funding
     working capital needs and issuing Letters of Credit.  The Company shall use
     proceeds  of Loans  which  cause the  Effective  Amount of all  outstanding
     Revolving Loans to exceed $130,000,000 solely to pay vendors of the Company
     and its Subsidiaries.

          SECTION 1.18.  Additional  Collateral.  Section  7.14(c) of the Credit
Agreement is amended to read as follows:

          (c) The Company shall,  and shall cause each of its  Subsidiaries  to,
     execute and deliver to the Agent such amendments to the Mortgages  executed
     by The Nordic  Group and such other  documents as the Agent may request and
     shall take all other action as the Agent may  reasonably  request to grant,
     perfect, or maintain the perfected status of security interests or liens in
     property of the Company or its  Subsidiaries in favor of the Agent, for the
     benefit of the Banks and the other Senior Secured Lenders, and securing the
     payment and performance of the full amount of all Senior Indebtedness.

          SECTION 1.19.  Sale of Headquarters  Building.  Section 7.14(d) of the
Credit Agreement is amended to read as follows:

          (d) The Company shall cause the sale of the  Headquarters  Building to
     occur as soon as reasonably  possible and any in any event by no later than
     January 31, 2000.  The Company shall cause any contract for the sale of the
     Headquarters Building to provide for the direct payment to the Agent of the
     amount required to be paid to the Agent at the closing of the sale pursuant
     to the provisions of Section 2.07(e) of this  Agreement.  Promptly upon the
     execution of any contract for the sale of the  Headquarters  Building,  the
     Company  shall cause the contract of sale and all rights  thereunder  to be
     assigned to the Agent,  for the  benefit of the Banks and the other  Senior
     Secured Lenders, as additional Collateral.

          SECTION 1.20. Sale of The Nordic Group;  Consultant;  Title Insurance.
Section  7.14 of the  Credit  Agreement  is  amended  by  adding  the  following
paragraphs (f), (g) and (h) at the end thereof:

          (f) The  Company  shall  sell The Nordic  Group as soon as  reasonably
     possible and in any event by no later than May 31,  2000.  The Company will
     complete  preparation of the offering memorandum for the sale of The Nordic
     Group by December 20, 1999,  will  establish  January 31, 2000 as the final
     date for the  submission of first bids for the purchase of The Nordic Group
     and will enter into a binding  contract for the sale of The Nordic Group by
     no later than April 30, 2000.  Upon request of the Agent and  otherwise not
     less  frequently  than  monthly,  the Company  shall report to the Agent in
     writing regarding the status of the sale of The Nordic Group.

          (g) As soon as reasonably possible,  and in any event by no later than
     5 Business Days of the Effective Date of the First  Amendment,  the Company
     shall  retain  a  professional  consultant,  acceptable  to the  Banks  and
     reporting  directly to senior  management and the Board of Directors of the
     Company,  to advise the  Company in managing  the  Company's  payables,  in
     managing the use of proceeds of the Loans made  pursuant to the  additional
     Commitments  provided for in this  Agreement,  in effecting the sale of the
     Headquarters Building and in effecting the sale of The Nordic Group.

          (h) The Company will use reasonable best efforts to obtain a policy of
     title  insurance or an  indorsement to the existing title policy as soon as
     reasonably  possible  insuring  the Agent,  for itself and the other Senior
     Secured  Creditors,  without any exception from coverage for the provisions
     of Section 7 of Chapter 121A of the General Laws of Massachusetts, that the
     amended Mortgage encumbering the Headquarters  Building secures payment and
     performance  of the full amount of the Senior  Indebtedness,  with a policy
     limit in the amount of $190,000,000.

          SECTION 1.21. Deletion of Financial Covenants. Sections 8.09, 8.10 and
8.11 of the Credit Agreement are deleted.

          SECTION 1.22.  Permitted  Dispositions.  Section 8.03(b) of the Credit
Agreement is amended to read as follows:

          (b)  dispositions of assets required by Sections 7.14(d) or 7.14(e) or
     permitted by Section 8.07;

          SECTION 1.23. Collateral Pool;  Uncommitted Lines. Section 8.06 of the
Credit Agreement is amended to read as follows:

          8.06  Limitation on Capital  Expenditures . The Company shall not, nor
     shall it permit any of its  Subsidiaries  to, create,  assume or incur,  or
     permit  any of  its  Subsidiaries  to  create,  assume  or  incur,  capital
     expenditures; except capital expenditures not exceeding in the aggregate in
     any fiscal year  $20,000,000  plus an amount,  not  exceeding  $15,000,000,
     resulting  from the  reclassification  of software  development  costs into
     capital expenditures.

          SECTION 1.24. Collateral Pool;  Uncommitted Lines. Section 8.18 of the
Credit Agreement is amended to read as follows:

          8.18 Collateral Pool;  Uncommitted Lines . The Company will not permit
     the total amount of Indebtedness  outstanding  under this Agreement and the
     Uncommitted  Lines which is secured by the  Collateral  Pool at any time to
     exceed  $268,000,000 in the aggregate,  and the Company will not permit the
     Indebtedness  outstanding under the Uncommitted Lines at any time to exceed
     $8,000,000 in the aggregate.

          SECTION  1.25.  Failure  of Sale  of  Headquarters  Building.  Section
9.01(c) of the Credit Agreement is amended to read as follows:

          (c) Specific Defaults . The Company or any Subsidiary fails to perform
     or observe any term,  covenant  or  agreement  contained  in any of Section
     7.01, 7.12, 7.13 or 7.14(d) or in Article VIII; or

          SECTION 1.26.  Failure to Reduce Revolving Loans.  Section 9.01 of the
Credit  Agreement  is amended  adding  the  following  paragraph  (p) at the end
thereof:

          (p) The Company shall fail to reduce the Effective Amount of Revolving
     Loans and the Combined Revolving Loan Commitment Sublimit to $20,000,000 or
     less on or before January 31, 2000.

          SECTION  1.27.  Schedule of  Commitments.  Schedule 2.01 of the Credit
Agreement is amended by  substituting  Schedule  2.01  attached  hereto for such
Schedule.

          SECTION  1.28.  Form of Notice of  Borrowing.  Exhibit A to the Credit
Agreement is amended by substituting Exhibit A attached hereto for such Exhibit.

          SECTION 1.29. Form of Compliance Certificate.  Exhibit C to the Credit
Agreement is amended by substituting Exhibit C attached hereto for such Exhibit.


                                   ARTICLE II

                                   CONDITIONS

          SECTION 2.1.  Effective Date. This Agreement shall become effective as
of  the  date  first  above  written  (the  "Effective  Date")  when  all of the
conditions  set forth in this Article shall have been, or shall be  concurrently
with the effectiveness hereof, satisfied or waived.

          SECTION 2.1.1. Execution of Agreement.  Each of the Agent, the Issuing
Bank and the Banks  shall have  received  counterparts  of this  Agreement  duly
executed  by  each  of  the  Company,  the  Guarantors,   Headquarters  Building
Corporation  ("HBC"),  Summer Street,  SWMC, the Agent, the Issuing Bank and the
Banks.

          SECTION 2.1.2. Certificate re Representations and Warranties; No Event
of Default.  The Company shall have  delivered to the Agent an  certificate of a
Responsible  Officer,  dated the Effective Date,  certifying  that, after giving
effect to this  Agreement,  the  representations  and  warranties of the Company
contained in the Credit  Agreement shall be true on and as of the Effective Date
(except to the extent that any such  representations  or warranties  relate to a
specific prior date or period) and that,  after giving effect to this Agreement,
there exists no Event of Default or Default as of the Effective Date.

          SECTION 2.1.3. Consents. The Company shall have delivered to the Agent
a certificate of a Responsible  Officer,  dated the Effective  Date,  certifying
that any necessary consents, waivers, approvals, authorizations,  registrations,
filings and  notifications in connection with the  authorization,  execution and
delivery of this  Agreement have been obtained or made and are in full force and
effect.

          SECTION 2.1.4.  New Promissory  Notes. The Company shall have executed
and delivered to the Agent,  for the account of the Banks,  new Notes reflecting
the increased Commitments provided for in this Agreement.

          SECTION 2.1.5.  Additional Guarantors.  Each of HBC, Summer Street and
SWMC shall have become an  Additional  Guarantor  pursuant to the  provisions of
Section 7.13 of the Credit Agreement.

          SECTION 2.1.6.  Amended and Restated Security Agreement.  The Company,
each Guarantor, HBC, Summer Street and SWMC shall have executed and delivered to
the Agent an Amended  and  Restated  Security  Agreement  encumbering  all their
personal property in favor of the Agent, for itself and the other Senior Secured
Lenders.

          SECTION  2.1.7.  Amendment to Summer  Street  Mortgage.  Summer Street
shall have  executed  and  delivered  to the Agent an  amendment to the Mortgage
encumbering  the  Headquarters  Building  providing  that  Mortgage  will secure
payment and performance of the full amount of the Senior  Indebtedness  (as such
term is defined in the Intercreditor  Agreement) to the maximum extent permitted
by law, such amendment  shall have been duly recorded,  and the Agent shall have
received either (a) a policy of title insurance  insuring the Agent,  for itself
and the other  Senior  Secured  Creditors,  that the  amended  Mortgage  secures
payment and performance of the full amount of the Senior  Indebtedness or (b) an
opinion of Massachusetts counsel,  addressed to the Agent and the Banks, in form
and substance acceptable to the Banks, concerning the amended Mortgage.

          SECTION 2.1.8. Reaffirmation of Assignment of Leases and Rents. Summer
Street and SWEC shall have executed and  delivered to the Agent a  reaffirmation
of the Assignment of Leases and Rents encumbering the Headquarters  Building and
such reaffirmation shall have been duly recorded.

          SECTION 2.1.9.  Reaffirmation of Subordination  Agreement.  SWEC shall
have executed and delivered to the Agent a  reaffirmation  of the  Subordination
Agreement and such reaffirmation shall have been duly recorded.

          SECTION 2.1.10. SWEC Leasehold Mortgage.  SWEC shall have executed and
delivered  to the Agent a Mortgage  encumbering  its  leasehold  interest in the
Headquarters   Building   securing   payment  and   performance  of  all  Senior
Indebtedness (as such term is defined in the Intercreditor Agreement),  and such
Mortgage shall have been duly recorded.

          SECTION  2.1.11.  Transfer and Pledge of Shares in Summer Street.  The
Company shall have transferred its shares of Summer Street to HBC subject to the
Company  Pledge  Agreement  and HBC shall have entered  into a Pledge  Agreement
substantially  in the form of the SWEC  Pledge  Agreement  with  respect  to the
shares of Summer Street.

          SECTION  2.1.12.  Amendment to Company Pledge  Agreement.  The Company
shall have executed and delivered to the Agent a Pledge Amendment  substantially
in the form of Schedule IV to the Company  Pledge  Agreement with respect to all
its stock in HBC and SWEC.

          SECTION 2.1.13.  Amendment to SWEC Pledge  Agreement.  SWEC shall have
executed and delivered to the Agent a Pledge Amendment substantially in the form
of  Schedule IV to the SWEC Pledge  Agreement  with  respect to all its stock in
Stone & Webster Engineering  Corporation,  Stone & Webster Overseas Group, Inc.,
Stone & Webster Construction  Company,  Inc., and Belmont Constructors  Company,
Inc.

          SECTION 2.1.14.  Declarations Concerning the Headquarters Building and
The  Nordic  Group.  The  Company  shall  have  delivered  to the  Agent a sworn
affidavit or declaration made under penalty of perjury executed by a Responsible
Officer therein attesting that, in the opinion of such Responsible  Officer,  as
of the  date of such  attestation,  the core  business  of the  Company  and its
Subsidiaries  consists of engineering,  construction  and consulting and neither
the  Headquarters  Building  nor The Nordic Group is necessary to the conduct of
such core business except insofar as such property  provides  financial  support
therefor,  and that  the  Company  intends  to  sell,  or cause to be sold,  the
Headquarters Building and The Nordic Group.

          SECTION  2.1.15.  Cash  Flow  Projections;  Schedule  of Use of Funds;
Certification.  The  Company  shall  have  delivered  to  the  Agent  cash  flow
projections  for the  next  six  months,  including  a  detailed  budget  of the
Company's proposed use, based on circumstances as they exist on the date hereof,
of the proceeds of the Loans to be made pursuant to the  additional  Commitments
provided for in this  Agreement,  in form and substance  acceptable to the Banks
and  certified by a  Responsible  Officer as  constituting  the  Company's  best
estimate of its  sources  and uses of cash for the next six months  based on all
information   currently  available  to  the  Company.  The  certificate  of  the
Responsible  Officer  shall also  include a  certification  that the Company has
thoroughly  reviewed  all  current  material  contracts  of the  Company and its
Subsidiaries;  that,  based on facts known to the Responsible  Officer as of the
date  hereof,  the  Responsible  Officer  is  satisfied  that to the best of his
knowledge  the Company has taken all reserves  that are necessary to be taken as
of the date hereof,  and has appropriately  estimated all completion costs as of
the date hereof, in respect of the material contracts to which it is currently a
party;  that the Responsible  Officer has informed the Board of Directors of the
Company of such  conclusion;  and that the Responsible  Officer has supplied all
information,  and  taken  all  action,  requested  by the  Board  in  connection
therewith.  The  certificate  of the  Responsible  Officer  shall also include a
certification  that,  based on facts known to the Responsible  Officer as of the
date hereof,  the Company  expects to obtain all surety bonds  necessary for the
Company to perform in accordance with the budget specified above.

          SECTION 2.1.16. Power of Attorney.  Summer Street shall have executed,
acknowledged  and  delivered  to the Agent a power of  attorney,  which power of
attorney shall be coupled with an interest,  authorizing  the Agent, as attorney
in fact for Summer Street,  after January 31, 2000, to execute such documents as
may be  necessary  to enter  into a  contract  for the sale of the  Headquarters
Building,  to consummate any contract for the sale of the Headquarters  Building
which  Summer  Street  may  have  entered  into,  and  to  convey  title  to the
Headquarters Building to the purchaser thereunder.

          SECTION 2.1.17.  Other Documents.  The Company shall have delivered to
the Agent such opinions of counsel,  certified copies of corporate  resolutions,
signature  authorizations,  good standing certificates,  opinions of counsel, or
other materials as the Agent may request.

          SECTION  2.1.18.  Payment of Bridge Loan Fee.  The Company  shall have
paid to the Agent for the  account  of each  Bank,  pro-rata  according  to each
Bank's Commitment, a bridge loan fee in the aggregate amount of $450,000.

          SECTION  2.1.19.  Payment of  Arrangement  Fee. The Company shall have
paid to the Agent for the account of the Agent an arrangement  fee in the amount
set forth in a separate agreement between the Company and the Agent.

          SECTION 2.1.20. Payment of Restructuring Costs. The Company shall have
paid or  reimbursed  the Bank of America  and the other  Banks for all costs and
expenses of the type specified in Section 11.04 of the Credit Agreement incurred
by Bank of  America  or the  Banks as of the date of this  Agreement,  including
estimated but unbilled Attorney Costs and other professional fees.


                                   ARTICLE III

           CONSENT AND REAFFIRMATIONS OF GUARANTORS AND OTHER PARTIES

          SECTION 3.1. Guarantors. Each of the Guarantors hereby consents to the
terms of this  Agreement and hereby  confirms and agrees that its guaranty under
the  Guaranty  is,  and shall  continue  to be, in full  force and effect and is
hereby ratified and confirmed in all respects. Each of the Guarantors party to a
Collateral  Document confirms and agrees that, except as the same may be amended
in writing as contemplated by this Agreement,  each Collateral Document to which
it is a party is,  and shall  continue  to be, in full  force and  effect and is
hereby ratified and confirmed in all respects.

          SECTION 3.2.  Other Borrower  Parties.  Each of Summer Street and SWMC
hereby  consents to the terms of this  Agreement and hereby  confirms and agrees
that,  except as the same may be  amended in  writing  as  contemplated  by this
Agreement,  each  Collateral  Document  to which  it is a party  is,  and  shall
continue to be, in full force and effect and is hereby ratified and confirmed in
all respects.

          SECTION 3.3.  Intercreditor  Agreement.  Each of the Guarantors hereby
confirms and agrees that the  Intercreditor  Agreement is, and shall continue to
be, in full  force  and  effect  and is hereby  ratified  and  confirmed  in all
respects.  Each of HBC,  Summer  Street and SWMC  consents to the  Intercreditor
Agreement and agrees to be bound by all the terms and  provisions  applicable to
it.


                                   ARTICLE IV

                                    WAIVERS.

          SECTION 4.1.  Waiver of Claims.  EACH OF THE COMPANY,  THE GUARANTORS,
SUMMER STREET AND SWMC (COLLECTIVELY,  THE "RELEASORS") HEREBY WAIVES,  RELEASES
AND FOREVER  DISCHARGES  THE BANKS,  THE AGENT AND THE  ISSUING  BANK (AND THEIR
OFFICERS,  DIRECTORS,  EMPLOYEES,  AGENTS,  ATTORNEYS AND AFFILIATES)  FROM, AND
COVENANTS NOT TO SUE ANY OF THE BANKS, THE AGENT AND THE ISSUING BANK (OR ANY OF
THEIR OFFICERS,  DIRECTORS,  EMPLOYEES,  AGENTS,  ATTORNEYS AND AFFILIATES) WITH
RESPECT TO, ANY AND ALL CLAIMS, DEMANDS, CAUSES OF ACTION, DEFENSES, AND OFFSETS
HELD BY THE RELEASORS EXISTING ON OR PRIOR TO THE DATE HEREOF,  WHETHER KNOWN OR
UNKNOWN,  ARISING  OUT  OF OR  RELATED  TO THE  LOAN  DOCUMENTS  OR  THE  CREDIT
FACILITIES  PROVIDED  FOR IN THE  CREDIT  AGREEMENT.  SUCH  WAIVER  AND  RELEASE
INCLUDES  ANY AND ALL CLAIMS,  DEMANDS,  CAUSES OF ACTION,  DEFENSES AND OFFSETS
ARISING OUT OF THE NEGOTIATIONS AMONG THE COMPANY, THE AGENT AND THE BANKS WHICH
COMMENCED  APPROXIMATELY OCTOBER 26, 1999 CONCERNING THE EXTENSION OF ADDITIONAL
CREDIT FACILITIES TO THE COMPANY.

          SECTION 4.2. Waiver of Unknown Claims. The Releasors each specifically
waive the benefit of the  provisions  of section  1542 of the  California  Civil
Code, to the extent applicable,  and of any similar rule of law. Section 1542 of
the California Civil Code provides:

          "A GENERAL  RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR  DOES
          NOT KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF EXECUTING THE
          RELEASE,  WHICH  IF KNOWN BY HIM MUST  HAVE  MATERIALLY  AFFECTED  HIS
          SETTLEMENT WITH THE DEBTOR."

          SECTION 4.3.  Limitation on Waivers.  Nothing in this Agreement  shall
constitute  a waiver of any claim,  demand,  cause of action,  defense or offset
arising out of any breach of the Loan  Documents  occurring  after the Effective
Date.

          SECTION 4.4. Waiver of Benefits of Automatic  Stay. The Company,  HBC,
Summer Street and Stone & Webster  Engineering  Corporation  ("SW  Engineering")
acknowledge  and agree that the Company is entering into this  Agreement for the
purpose  of  reorganizing   the  financial   affairs  of  the  Company  and  its
subsidiaries. The Company, HBC, Summer Street and SW Engineering acknowledge and
agree  that the Banks  are  entering  into this  Agreement  in  reliance  on the
Company's covenants to cause the sale of the Headquarters  Building, to sell the
Nordic  Group and to the apply the Net Proceeds of such sales as provided for in
the Credit Agreement,  as amended hereby.  The Company  represents that the core
business  of  the  Company  and  its   Subsidiaries   consists  of  engineering,
construction  and  consulting,  that neither the  Headquarters  Building nor The
Nordic  Group are  necessary  to the  conduct  of such core  business,  and that
neither the  Headquarters  Building  nor The Nordic  Group are  necessary to the
reorganization of the Company. In order to assure the Banks the benefit of their
bargain and to induce the Banks to enter into this Agreement,  the Company, HBC,
Summer Street and SW Engineering  hereby waive the benefit of the automatic stay
provided  for  in  11  U.S.C.  362  with  respect  to  their  interests  in  the
Headquarters  Building,  The Nordic Group and the  outstanding  shares of Summer
Street in any bankruptcy  case or proceeding in which the Company,  HBC,  Summer
Street or SW Engineering may become debtors.

          SECTION 4.5. Waiver re Noncompliance With Section 7.01(b). Each of the
Agent,  the Issuing Bank and the undersigned  Banks hereby waives until December
1, 1999 any Event of Default  that might be deemed to occur or to be  continuing
solely  as a result of  noncompliance  by the  Company  with the  provisions  of
Section  7.01(b) of the Credit  Agreement  with respect to the fiscal quarter of
the Company ending September 30, 1999.

          SECTION 4.6. Waiver re Noncompliance With Section 7.02(a). Each of the
Agent,  the Issuing Bank and the undersigned  Banks hereby waives until December
1, 1999 any Event of Default  that might be deemed to occur or to be  continuing
solely  as a result of  noncompliance  by the  Company  with the  provisions  of
Section 7.02(a) of the Credit Agreement with respect to the financial statements
referred to in Section 7.01(b) of the Credit Agreement for the fiscal quarter of
the Company ending September 30, 1999.

          SECTION 4.7. Waiver re MHI Vendor Payment  Agreement;  Permitted Lien.
Each of the Agent,  the Issuing Bank and the  undersigned  Banks consents to the
execution of the Vendor Payment  Agreement  ("VPA") dated as of November 8, 1999
by and among SW Engineering and Mitsubishi Heavy Industries, Ltd. ("MHI") and to
the transactions  contemplated therein and waives compliance with Sections 8.01,
8.02 and 8.03 of the Credit  Agreement  solely to the extent necessary to permit
the  assignments by SW Engineering to MHI  contemplated  by the VPA. Each of the
Agent,  the Issuing Bank and the undersigned  Banks agrees that any Lien created
pursuant  to the VPA shall  constitute  a  "Permitted  Lien"  under  the  Credit
Agreement.


                                    ARTICLE V

                         REPRESENTATIONS AND WARRANTIES.

          SECTION 5.1. Reaffirmation of Representations and Warranties in Credit
Agreement.  The Company represents and warrants to the Agent and each Bank that,
after giving effect to this Agreement, the representations and warranties of the
Company  contained  in the  Credit  Agreement  shall  be  true  on and as of the
Effective Date (except to the extent that any such representations or warranties
relate to a specific prior date or period) and that, after giving effect to this
Agreement, there exists no Event of Default or Default as of the Effective Date.

          SECTION 5.2. Due Authorization,  No Conflict or Violation of Law. Each
of the  Company and the other  Borrower  Parties  party  hereto  represents  and
warrants to the Agent and each Bank that the execution, delivery and performance
by such  Person of this  Agreement  and each other Loan  Document  to which such
Person is party have been duly authorized by all necessary corporate action, and
do not and will not:

          (a)  contravene  the  terms  of  any  of  that  Person's  Organization
     Documents;

          (b) conflict with or result in any breach or contravention  of, or the
     creation  of any  Lien  under,  any  document  evidencing  any  Contractual
     Obligation to which such Person is a party or any order,  injunction,  writ
     or  decree  of any  Governmental  Authority  to which  such  Person  or its
     property is subject; or

          (c) violate any Requirement of Law.


                                   ARTICLE VI

                                 MISCELLANEOUS.

          SECTION 6.1.  Limitation on Scope of  Amendments.  Except as expressly
provided  in Article I hereof,  and except as the same may be amended in writing
as  contemplated  by this  Agreement,  all of the  representations,  warranties,
terms,  covenants,  conditions,  Deafults  and Events of Default of or under the
Credit  Agreement and the other Loan Documents shall remain  unamended and shall
continue to be, and shall remain,  in full force and effect in  accordance  with
their  respective  terms.  The  amendments  set forth  herein  shall be  limited
precisely as provided for herein, and shall not be deemed to be an amendment of,
consent to or modification  of any other term,  provision or Default or Event of
Default  of or under the Credit  Agreement  or of any term or  provision  of any
other Loan  Document or of any  transaction  or further or future  action on the
part of the  Company  which would  require the consent of any of the Agent,  the
Issuing Bank or any Bank under the Credit  Agreement . SECTION  6.2.  Successors
and Assigns.  This  Agreement  shall be binding upon and inure to the benefit of
the parties hereto and their respective successors and assigns.

          SECTION   6.3.   Counterparts.   This   Agreement   may  be   executed
simultaneously in two or more counterparts,  each of which shall be deemed to be
an original  but all of which  shall  constitute  together  but one and the same
instrument.

          SECTION 6.4.  Governing Law. This  Agreement  shall be governed by and
construed in accordance with the law of the State of California.

     IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be executed by their respective officers duly
authorized thereunto as of the day and year first above written.


                          STONE & WEBSTER, INCORPORATED


                           By: _______________________________
                                  Name:   Gerard A. Halpin, III
                                  Title:  Treasurer


                           BANK OF AMERICA, N.A.,
                           as Agent


                           By: _______________________________
                                  Name:   Gina Meador
                                  Title:  Vice President


                           BANK OF AMERICA, N.A.,
                           as Issuing Bank


                           By: _______________________________
                                  Name:   Therese Fontaine
                                  Title:  Principal


                           BANK OF AMERICA,  N.A.,
                           as a Bank


                           By: _______________________________
                                  Name:   Therese Fontaine
                                  Title:  Principal


                           ARAB BANKING CORPORATION,
                           NEW YORK BRANCH
                           as a Bank


                           By: _______________________________
                                  Name:   Richard B. Whelan
                                  Title:  Attorney in Fact


                           THE CHASE MANHATTAN BANK,
                           as a Bank


                           By: _______________________________
                                  Name:   John McDonagh
                                  Title:  Managing Director


                           HSBC BANK USA,
                           as a Bank


                           By: _______________________________
                                  Name:   Renata Szirmai
                                  Title:  Vice President


The undersigned consent and agree to the foregoing:

STONE & WEBSTER ENGINEERS AND CONSTRUCTORS, INC.
STONE & WEBSTER ENGINEERING CORPORATION
STONE & WEBSTER CONSTRUCTION COMPANY, INC.
STONE & WEBSTER OVERSEAS GROUP, INC.
STONE & WEBSTER INTERNATIONAL PROJECTS CORPORATION
NORDIC INVESTORS, INC.
PROJECTS ENGINEERS, INCORPORATED
AEC INTERNATIONAL PROJECTS, INC.
NORDIC HOLDINGS, INC.
NORDIC REFRIGERATED SERVICES, INC.
SUMMER STREET REALTY CORPORATION
STONE & WEBSTER MANAGEMENT CONSULTANTS, INC.
HEADQUARTERS BUILDING CORPORATION


By: _________________________________
     Name:     Gerard A. Halpin, III
     Title:    Treasurer


BELMONT CONSTRUCTORS COMPANY, INC.



By: _________________________________
     Name:     Daniel P. Sullivan
     Title:    Vice President


NORDIC TRANSPORTATION SERVICES, INC.
NORDIC RAIL SERVICES, INC.



By: _________________________________
     Name:     James P. Jones
     Title:    Secretary


NORDIC REFRIGERATED SERVICES, LIMITED PARTNERSHIP

By:   Nordic Holdings, Inc., as General Partner



By: _________________________________
     Name:     Gerard A. Halpin, III
     Title:    Treasurer


<PAGE>
                                 EXHIBIT 13 (i)
                              Financial Statements


                      MANAGEMENT'S DISCUSSION AND ANALYSIS
       (Dollars in millions, except per share amounts or where indicated.)


The following is  management's  discussion  and analysis of certain  significant
factors that have affected the financial  condition and results of operations of
Stone & Webster,  Incorporated and Subsidiaries  (the "Company") for the periods
noted.  This  discussion  and analysis  should be read in  conjunction  with the
Company's consolidated financial statements and accompanying notes.

On October 27,  1999 the  Company  announced  its  intention  to sell the Nordic
Refrigerated  Services  business unit  (Nordic) and its  corporate  headquarters
building in Boston, Massachusetts.  The Company is seeking buyers for Nordic and
on December 28, 1999 sold its corporate headquarters building.  Accordingly, the
Nordic  results  have been  classified  as a  discontinued  operation  and prior
periods have been reclassified. The Company's continuing operations are composed
of the Engineering, Construction and Consulting business.

Unless noted  otherwise,  earnings  per share  calculations  disclosed  are on a
diluted basis.

RESULTS OF CONTINUING OPERATIONS - 1999 COMPARED WITH 1998

The Company's  Engineering,  Construction  and Consulting  revenue was $1,168 in
1999,  a decrease of 4 percent  from the $1,214  reported  in 1998.  Income from
continuing  operations  for 1999 was $15.3 or $1.17 per  share,  which  includes
$92.2 or $7.03 per share from the sale of the Company's  corporate  headquarters
building,  compared with a loss from  continuing  operations of $54.6,  or $4.24
loss per share for 1998. The operating loss for 1999 was $115.0 compared with an
operating loss of $81.0 in 1998.  New orders for 1999 were $1,106  compared with
$1,331  for 1998.  New  orders  consist  of the net total of new  orders,  scope
changes and cancellations. Consistent with the nature of the Company's business,
significant  new  contracts  can  create  variability  in the  Company's  awards
pattern.  Backlog was $2,574 at December 31, 1999 compared to $2,636 at December
31, 1998.

Components of earnings per share in 1999 and 1998 were:

                                                          1999        1998
- --------------------------------------------------------------------------------
Continuing operations                                   $(0.27)     $(0.55)
Provisions for significant loss contracts                (5.61)      (4.18)
Pension related items                                     0.02        0.34
Asset divestitures                                        7.03        0.15
- --------------------------------------------------------------------------------
 Earnings (loss) per share from continuing
   operations                                             1.17       (4.24)
- --------------------------------------------------------------------------------
Discontinued operation                                    0.39        0.41
- --------------------------------------------------------------------------------
Earnings (loss) per share                                $1.56      $(3.83)
- --------------------------------------------------------------------------------

For the years ended December 31, 1999 and 1998, the Company's  results  included
significant  nonrecurring  items.  Operating  income from continuing  operations
excluding  nonrecurring  items,  for 1999 was $20.7 compared with $22.7 in 1998.
Net income excluding nonrecurring items, was $4.5, compared with $9.1 in 1998.

NONRECURRING ITEMS - 1999

During 1999, the Company recorded a loss of $122.6 ($73.6 after tax or $5.61 per
share) in contract related  provisions,  primarily due to increases in estimated
costs to complete several international,  lump sum contracts. Projects in Africa
and the United  Kingdom  recorded  $74.2 of charges in the first quarter of 1999
due to various factors including  owner-directed  technical and schedule changes
and  increases in scope of the  authorized  contracts.  In the third  quarter of
1999, a provision of $10.4 on three  domestic lump sum contracts was recorded to
reflect  increases  in the  estimated  costs to complete.  Additionally,  in the
fourth  quarter of 1999,  while the Company was working to improve its liquidity
position,  delays in payments to vendors  adversely  impacted delivery of vendor
materials and services and,  consequently,  job scheduling  and sequencing  were
affected.  As a result,  provisions  of $38.0 were  established  for  additional
expenditures to accelerate certain projects and for increased  anticipated costs
to complete other projects.

In the fourth  quarter of 1999,  the  Company  sold its  corporate  headquarters
building in Boston,  Massachusetts,  resulting in a gain of $151.3  ($92.2 after
tax or $7.03 per share). The gain on sale was reported as other income.

In the fourth  quarter of 1999,  the Company  announced  a  voluntary  Incentive
Retirement  Program.  Of  approximately  230  employees  eligible for  increased
benefits under the program,  164 elected to receive the increased benefits.  The
cost of  providing  these  benefits,  calculated  as the  present  value  of the
enhanced pension benefits,  was $13.1 ($7.9 after tax or $0.60 per share) and is
reported as an operating expense.

As  discussed  in  "Nonrecurring  Items - 1998 and 1997," in 1999 no  additional
amount was provided and no estimated  recovery of claims was recorded related to
a contract being executed by a joint venture in the Middle East.

The financial  statement impact of 1999 nonrecurring  items is summarized in the
following table:

NONRECURRING ITEMS - 1999

<TABLE>
<S>                             <C>           <C>           <C>             <C>            <C>

                                                                                           Continuing
                                                                                           Operations
                                              Incentive     Sale of         Significant    Excluding
                                Continuing    Retirement    Headquarters    Contract       Nonrecurring
         $000s                  Operations    Program       Building        Provisions     Items
- -------------------------------------------------------------------------------------------------------
Revenue                         $1,167,848     $      -     $      -        $(100,000)     $1,267,848
Cost of revenue                  1,212,979            -            -           22,600       1,190,379
- -------------------------------------------------------------------------------------------------------
Gross profit (loss)                (45,131)           -            -         (122,600)         77,469
General and administrative
  expenses                          69,893       13,102            -                -          56,791
- -------------------------------------------------------------------------------------------------------
Operating income (loss) from
  continuing operations           (115,024)     (13,102)           -         (122,600)         20,678
- -------------------------------------------------------------------------------------------------------
Gain on sale of assets             151,251            -      151,251                -               -
- -------------------------------------------------------------------------------------------------------
Income (loss) from continuing
  operations                    $   15,336     $ (7,861)    $ 92,236        $ (73,560)     $    4,521
- -------------------------------------------------------------------------------------------------------
Income (loss) per share              $1.17       $(0.60)       $7.03           $(5.61)          $0.35
- -------------------------------------------------------------------------------------------------------
</TABLE>

NONRECURRING ITEMS - 1998

During 1998, the Company  recorded a loss of $87.3 ($53.9 after tax or $4.18 per
share) for contract related provisions,  primarily due to increases in estimated
costs to complete several international lump sum contracts.  These contracts, in
Africa,  Taiwan and the Middle East, were reviewed and  re-estimated  during the
fourth  quarter of 1998,  and recovery of claims was  re-evaluated  resulting in
$68.8 of charges, excluding reversal of income recognized earlier in the year on
certain of those projects. Management believes that it has valid contractual and
equitable  grounds for change orders  providing  additional  compensation  under
these contracts. The Company has or expects to submit claims greater than losses
incurred to date.  Operating  losses of $18.5 were recorded in  connection  with
these projects in the first three quarters of 1998.

In the first  quarter of 1998,  the  Company  sold an office  building in Cherry
Hill, New Jersey, for $13.5 in cash, resulting in a gain of $3.1 ($2.0 after tax
or $0.15 per share). The gain on sale was reported as operating income.

In the fourth  quarter of 1998,  the Company  announced  a  voluntary  Incentive
Retirement  Program.  Of  approximately  600  employees  eligible for  increased
benefits under the program,  206 elected to receive the increased benefits.  The
cost of  providing  these  benefits,  calculated  as the  present  value  of the
enhanced pension benefits,  was $13.1 ($7.9 after tax or $0.61 per share) and is
reported as an operating expense.

Also in the fourth  quarter of 1998, the Company wrote down the value of various
fixed assets,  primarily computer  equipment,  to recognize that little, if any,
future  benefit  will be  obtained  from  these  assets,  and also  revised  the
estimated  useful  life for  computer  equipment  from six to three  years.  The
charges incurred for these changes were $3.8 ($2.3 after tax or $0.18 per share)
and $2.6 ($1.6 after tax or $0.12 per share), respectively.

The financial  statement impact of 1998 nonrecurring  items is summarized in the
following table:

NONRECURRING ITEMS - 1998

<TABLE>
<S>                             <C>           <C>           <C>         <C>            <C>             <C>

                                                                                       Continuing
                                                                                       Operations
                                              Incentive     Sale of                    Significant    Excluding
                                Continuing    Retirement    Office      Fixed Asset    Contract       Nonrecurring
         $000s                  Operations    Program       Building    Write Down     Provisions     Items
- -------------------------------------------------------------------------------------------------------------------
Revenue                         $1,214,468     $      -      $     -    $     -        $ 90,986       $1,123,482
Cost of revenue                  1,224,157            -            -          -         178,260        1,045,897
- -------------------------------------------------------------------------------------------------------------------
Gross profit (loss)                 (9,689)           -            -          -         (87,274)          77,585
General and administrative
  expenses                          71,335       13,129       (3,066)     6,367               -           54,905
- -------------------------------------------------------------------------------------------------------------------
Operating income (loss) from
  continuing operations            (81,024)     (13,129)       3,066     (6,367)        (87,274)          22,680
- -------------------------------------------------------------------------------------------------------------------
Income (loss) from
  continuing operations         $  (54,608)    $ (7,943)     $ 1,993    $(3,838)       $(53,891)      $    9,071
- -------------------------------------------------------------------------------------------------------------------
Income (loss) per share             $(4.24)      $(0.61)       $0.15     $(0.30)         $(4.18)           $0.70
- -------------------------------------------------------------------------------------------------------------------
</TABLE>

REVENUE

The Company's  Engineering,  Construction  and Consulting  revenue was $1,168 in
1999, a decrease of 4 percent from the $1,214  reported for the same period last
year. The decrease in revenue was primarily due to a 21 percent  decrease in the
Process/Industrial  division related to petrochemical market conditions, and a 3
percent decrease in the Power division. These decreases were partially offset by
revenue  increases  of 28 percent in the  Environmental/Infrastructure  division
resulting from increased  remediation,  transportation and water projects, and a
37 percent increase in Other,  principally from increased management  consulting
revenues.

REVENUE BY DIVISION

                                                                       Percent
          $000s             1999          1998        Incr/(Decr)    Incr/(Decr)
- --------------------------------------------------------------------------------
Power                   $  594,324     $  610,013     $(15,689)          (3)%
Process/Industrial         337,069        424,698      (87,629)         (21)%
Environmental/
  Infrastructure           140,555        109,989       30,566           28%
Other                       95,900         69,768       26,132           37%
- --------------------------------------------------------------------------------
Total revenue           $1,167,848     $1,214,468     $(46,620)          (4)%
- --------------------------------------------------------------------------------

NEW ORDERS AND BACKLOG

Power division orders of $854 in 1999 decreased by 20 percent from the $1,070 in
orders  for 1998,  primarily  as a result of lower  than  anticipated  demand by
energy companies in the first half of 1999. However, 1999 power orders increased
substantially  in the second  half and  reflected  increased  awards for nuclear
services,  as well as combined-cycle  plants. The 1999 new orders do not include
an award for a 720-megawatt  combined-cycle power plant expected to be booked in
the first  half of 2000  after  completion  of owner  financing.  The 76 percent
decline in Process/Industrial division orders reflect the protracted weakness in
the petrochemical industry, which is the customer base for the Company's process
technology,  the lingering  effects of the economic  slowdown in Asia, which had
been a major market for new process plant construction, and being more selective
with Industrial  market  opportunities  in cement,  forest products and chemical
sectors. Environmental/Infrastructure division orders increased significantly in
1999 as a result of growth in remediation, transportation and water projects.

The 1998 orders reported as Other in the table includes backlog acquired through
the acquisition of Belmont Constructors and Power Technologies, Inc.

New orders by division and backlog for 1999 and 1998 were:

NEW ORDERS BY DIVISION

                                                                       Percent
          $000s             1999          1998        Incr/(Decr)    Incr/(Decr)
- --------------------------------------------------------------------------------
Power                   $  854,344     $1,070,117     $(215,773)        (20)%
Process/Industrial          77,208        323,265      (246,057)        (76)%
Environmental/
  Infrastructure           121,107       (168,861)      289,968         172%
Other                       53,492        106,811       (53,319)        (50)%
- --------------------------------------------------------------------------------
New orders (net)        $1,106,151     $1,331,332     $(225,181)        (17)%
- --------------------------------------------------------------------------------

BACKLOG

                                                                       Percent
          $000s                          1999            1998        Incr/(Decr)
- --------------------------------------------------------------------------------
Beginning backlog                     $2,636,166     $ 2,519,302          5%
New orders                             1,106,151       1,331,332        (17)%
Revenue                               (1,167,848)     (1,214,468)        (4)%
- --------------------------------------------------------------------------------
Ending backlog                        $2,574,469     $ 2,636,166         (2)%
- --------------------------------------------------------------------------------

The  Trans-Pacific  Petrochemical  Indotama  ("TPPI") project remains  suspended
pending  resolution of financing issues by the client.  The Company has obtained
approval  from the owner to  resell  or use  committed  materials  and  procured
equipment  to reduce  costs of  project  suspension.  The  Company  has also had
substantive  discussions  with  potential  purchasers of the olefins plant which
constitutes  the majority of the Company's  scope for the project.  Had the TPPI
project been  cancelled  as of December  31, 1999,  and if resale of the olefins
plant was unlikely to be  completed,  the Company  would have recorded a pre-tax
charge of $76.8  representing  project working capital plus current  procurement
commitments,  net of the  estimated  salvage  value of  procured  equipment  and
materials. On a similar basis, the pre-tax charge would have been $72.4 in 1998.
The TPPI project is included in the Company's backlog in the amounts of $398 and
$451, respectively, at December 31, 1999 and 1998.

DISCONTINUED OPERATION

The Nordic Refrigerated Services business unit (Nordic) has been classified as a
discontinued  operation and prior periods have been reclassified.  In the fourth
quarter  of  1998,  the  Company  acquired  The  Nordic  Group,  which  provides
refrigerated  warehouse  services  from  eleven  locations,   primarily  in  the
southeastern   United  States.   Nordic  provides  low  cost,  energy  efficient
refrigerator  and  freezer  storage  facilities,  customized  material  handling
services,  and blast  freezing  capacity.  It  serves  primarily  two  groups of
customers:  prepared food manufacturers,  who require cold storage and logistics
services in their  distribution  channels,  and poultry  producers,  who require
blast freezing and storage capacity.

Revenue  increased by 36 percent in 1999,  due to the  acquisition of The Nordic
Group and to increased  volume and space  utilization at the Company's  existing
facilities.  The decrease in operating  margin  percentage  resulted from higher
nonrecurring costs associated with restructuring preacquisition facilities.

Revenue and income from the discontinued operation were:

         $000s                                            1999        1998
- --------------------------------------------------------------------------------
Revenue                                                 $46,768     $34,312
Operating income                                          8,576       8,490
Income tax expense                                        3,440       3,184
- --------------------------------------------------------------------------------
Income from discontinued operation                      $ 5,136     $ 5,306
- --------------------------------------------------------------------------------
Operating margin                                          18.3%       24.7%
- --------------------------------------------------------------------------------

PENSION RELATED ITEMS

Pension  related  items,  which reduced  operating  expenses,  were $0.4 in 1999
compared with $7.3 in 1998.  These items  increased net income by $0.2 (or $0.02
per share) in 1999 compared with $4.4 (or $0.34 per share) in 1998.

PENSION (INCOME) EXPENSE

         $000s                                            1999        1998
- --------------------------------------------------------------------------------
Net pension credit on qualified U.S. plan              $(14,488)    $(20,677)
Foreign pension expense                                   1,004          203
Incentive Retirement Program                             13,102       13,129
- --------------------------------------------------------------------------------
Total pension related items                            $   (382)    $ (7,345)
- --------------------------------------------------------------------------------
After-tax total pension related items                  $   (229)    $ (4,444)
- --------------------------------------------------------------------------------
Total pension related items per share                    $(0.02)      $(0.34)
- --------------------------------------------------------------------------------

The  pension  credit  is the  result  of a plan  that is funded in excess of the
projected benefit  obligation and the amortization of the SFAS 87 net transition
asset of $9.8 in 1998.  The  transition  asset was fully  amortized in 1998. The
plan is overfunded primarily due to favorable asset performance.

OTHER INCOME AND EXPENSE

The 1999 results  include a $151.3 gain on the sale of the  Company's  corporate
headquarters building in Boston,  Massachusetts.  Net interest expense was $10.6
in 1999 compared with $0.4 in 1998. Interest expense increased due to the higher
levels of working capital needed to fund operating  losses and bank debt related
to the 1998 acquisition of The Nordic Group.

INCOME TAX PROVISION

The income tax  provision  (benefit)  from  continuing  operations  resulted  in
effective tax rates of 40.1 percent in 1999 and (32.9) percent in 1998. The 1999
provision was higher than the United States statutory rate primarily  because of
state income  taxes.  The Company had a valuation  allowance of $9.1 at December
31,  1998  for  the  deferred  tax  assets   related  to  net   operating   loss
carryforwards.  The valuation  allowance increased by $4.1 to a balance of $13.2
at December 31, 1999.  The increase was due to state and foreign  entity losses.
The  valuation  allowance at December 31, 1999 was composed of $2.2  relating to
the carryforwards of international  subsidiaries and $11.0 relating to state net
operating loss carryforwards.

RESULTS OF CONTINUING OPERATIONS - 1998 COMPARED WITH 1997

Engineering, Construction and Consulting revenue for 1998 was $1,214, a decrease
of 6.5 percent from the $1,299 reported in 1997. The operating loss for 1998 was
$81.0 compared with operating  income of $40.0 in 1997. The loss from continuing
operations  for 1998 was $54.6,  or $4.24 per share,  compared  with income from
continuing operations of $29.2, or $2.25 per share for 1997. New orders for 1998
of $1,331  were equal to new orders  reported  for 1997.  Backlog  increased  to
$2,636 at December 31, 1998 from $2,519 at December 31, 1997.

During the first  quarter of 1998,  the Company  acquired  the assets of Belmont
Constructors  ("Belmont"),  a full service construction firm that serves clients
in the petrochemical, chemical, and power markets. In the third quarter of 1998,
the Company  acquired Power  Technologies,  Inc. ("PTI") in exchange for 232,273
shares  of  Company  stock  and  a  potential  further  distribution  of  shares
contingent on future PTI income. PTI provides software, educational programs and
consulting   services  to  the  electric  power  industry.   These  acquisitions
contributed approximately $72.2 to revenue and $(3.4) to the Company's net loss.

Nonrecurring charges of $103.7 incurred in 1998, consisted of costs of $13.1 for
the  Incentive  Retirement  Program,  charges of $6.4,  primarily  to write down
computer  equipment,  and $87.3 to provide for estimated  losses on several lump
sum contracts,  principally in the international Power market.  These items were
partially  offset by a gain of $3.1  associated with the sale of the Cherry Hill
property.

The  Company  executed  a  fixed  price  contract  in the  Middle  East  for the
engineering,  procurement  and  construction  of a power  plant.  Due to several
factors,  including subcontractor performance and schedule delays, the estimated
cost to  complete  this  contract  increased  during  1998.  The Company is also
providing engineering services,  under a fixed price contract, for nuclear power
services in Taiwan.  Due to  increases in scope and changes in  availability  of
qualified local  engineering  support,  the 1998 estimated cost to complete this
contract was anticipated to exceed the contract value. Accordingly,  the Company
recognized losses of $33.8 in 1998 on these two contracts.

In the contract provisions recognized in the fourth quarter of 1998, the Company
reduced its estimate of recoverability of claims and change orders that have not
yet received client approval.  The Company  recognized in 1998 approximately $35
in revenue for unapproved change orders, representing, in management's judgment,
a conservative estimate of the probable amount to be realized.

In 1997, the Company relocated its corporate offices from New York to Boston and
consolidated several corporate functions with those of its principal engineering
subsidiary.  Office space in the former corporate offices was sublet or disposed
of in 1997 and 1998 under terms consistent with the provisions recorded in 1996.
Corporate office costs were reduced by $3.3 between 1998 and 1997.

Components of earnings per share in 1998 and 1997 were:

         $000s                                            1998        1997
- --------------------------------------------------------------------------------
Continuing operations                                   $(0.55)      $2.16
Provisions for significant loss contracts                (4.18)      (1.20)
Pension related items                                     0.34        0.80
Divested operations                                          -        0.08
Asset divestitures                                        0.15        0.41
- --------------------------------------------------------------------------------
  Earnings (loss) per share from continuing
    operations                                           (4.24)       2.25
- --------------------------------------------------------------------------------
Discontinued operation                                    0.41        0.34
- --------------------------------------------------------------------------------
Earnings (loss) per share                               $(3.83)      $2.59
- --------------------------------------------------------------------------------

NONRECURRING ITEMS - 1998 AND 1997

During 1998, the Company  recorded a loss of $87.3 ($53.9 after tax or $4.18 per
share) in contract related  provisions,  primarily due to increases in estimated
costs to complete several international, lump sum contracts. The Company sold an
office  building  in 1998 for $13.5 in cash,  resulting  in a gain of $3.1 ($2.0
after tax or $0.15 per share),  which was reported as operating income. In 1998,
the Company offered a voluntary Incentive  Retirement Program at a cost of $13.1
($7.9 after tax or $0.61 per share) which was reported as an operating  expense.
Also in 1998,  the  Company  wrote  down  the  value of  various  fixed  assets,
primarily computer equipment, and reduced the estimated useful life for computer
equipment  resulting  in charges of $3.8 ($2.3 after tax or $0.18 per share) and
$2.6 ($1.6 after tax or $0.12 per share), respectively.

In 1997,  the  Company  recorded a loss of $25.8  ($15.5  after tax or $1.20 per
share)  related to a contract  being  executed by a joint  venture in the Middle
East.  The joint  venture  has filed  claims  related  to this  contract  but no
estimated  recovery  for these  claims  is  included  in the 1997,  1998 or 1999
results.  The joint venture has been notified of claims of approximately  $62.0,
which have been  submitted  by a  subcontractor  who has filed for  arbitration.
Substantially all of the subcontractor's claims have been included in the claims
submitted by the joint venture to its client. In the fourth quarter of 1997, the
Company completed the sale of an office building in Boston for $20.0, consisting
of cash and a note  receivable.  The Company reported a gain of $8.9 ($5.4 after
tax or $0.41 per share) on the sale of the  property  which was reported in part
as operating  income of $7.9 with the remaining  $1.0 reported as a gain on sale
of assets.  Divested  operations  in 1997  included  cash proceeds of $1.6 ($1.0
after  tax  or  $0.08  per  share)  from  the   liquidation  of  the  Binghamton
Cogeneration Partnership.

The financial  statement impact of 1997 nonrecurring  items is summarized in the
table below:

NONRECURRING ITEMS - 1997

<TABLE>
<S>                             <C>           <C>           <C>           <C>           <C>
                                                                                        Continuing
                                                                                        Operations
                                              Middle        Gain from                   Excluding
                                Continuing    East Joint    Sale of       Divested      Nonrecurring
         $000s                  Operations    Venture       Assets        Operations    Items
- -----------------------------------------------------------------------------------------------------
Revenue                         $1,299,220     $      -     $     -       $             $1,299,220
Cost of revenue                  1,190,697       25,781           -        (1,612)       1,166,528
- -----------------------------------------------------------------------------------------------------
Gross profit (loss)                108,523      (25,781)          -         1,612          132,692
General and administrative
  expenses                          68,571            -      (7,954)            -           76,525
- -----------------------------------------------------------------------------------------------------
Operating income (loss) from
  continuing operations             39,952      (25,781)      7,954         1,612           56,167
- -----------------------------------------------------------------------------------------------------
Income (loss) from
  continuing operations         $   29,151     $(15,469)    $ 5,363        $1,048       $   38,209
- -----------------------------------------------------------------------------------------------------
Income (loss) per share              $2.25       $(1.20)      $0.41         $0.08            $2.96
- -----------------------------------------------------------------------------------------------------
</TABLE>

REVENUE

Engineering,  Construction and Consulting  revenue decreased from $1,299 in 1997
to $1,214 in 1998.  Process/Industrial  division revenue declined by 32 percent.
This  decrease  was largely  related to the  lingering  effects of the  economic
slowdown in Asia,  where much of the Company's  process work had been conducted,
and to the  suspension  of the TPPI  project.  The 13 percent  increase in Power
division  revenue  was a result of  increased  order  bookings in 1997 and 1998,
primarily  for lump sum  international  projects.  The increase in Other revenue
primarily reflects the acquisitions of Belmont and PTI during 1998.

REVENUE BY DIVISION

                                                                       Percent
          $000s              1998          1997      Incr/(Decr)     Incr/(Decr)
- --------------------------------------------------------------------------------
Power                     $  610,013    $  537,809    $ 72,204           13%
Process/Industrial           424,698       621,539    (196,841)         (32)%
Environmental/
  Infrastructure             109,989       108,165       1,824            2%
Other                         69,768        31,707      38,061          120%
- --------------------------------------------------------------------------------
Total revenue             $1,214,468    $1,299,220    $(84,752)          (7)%
- --------------------------------------------------------------------------------

NEW ORDERS AND BACKLOG

New orders for 1998 were  approximately  equal to those of 1997.  Power division
orders of  $1,070  increased  by 67  percent  from the $641 in orders  for 1997.
Increases in Power division orders, primarily from domestic clients, reflect the
effects  of  deregulation  on the power  industry.  The 46  percent  decline  in
Process/Industrial  division  orders  reflects  the  protracted  weakness in the
Petrochemical  Industry,  which is the customer base for the  Company's  process
technology and the lingering  effects of the economic slowdown in Asia which had
been    a    major    market    for    new    process    plant     construction.
Environmental/Infrastructure  division  orders  include  an  adjustment  of $533
resulting  primarily from backlog  reduction on task order  contracts  booked in
1996 and earlier. For indefinite delivery and indefinite quantity contracts, the
Company has adopted the policy of recording  only funded and  released  tasks in
backlog,  and the backlog  reduction  reflects the application of this change to
previously  booked  contracts.  The increase in orders  reported as Other in the
table includes the backlog acquired through the acquisitions of Belmont and PTI.

New orders by division and backlog for 1998 and 1997 were:

NEW ORDERS BY DIVISION

                                                                       Percent
          $000s              1998          1997       Incr/(Decr)    Incr/(Decr)
- --------------------------------------------------------------------------------
Power                     $1,070,117    $  640,843    $ 429,274          67%
Process/Industrial           323,265       597,796     (274,531)        (46)%
Environmental/
  Infrastructure            (168,861)       55,542     (224,403)       (404)%
Other                        106,811        36,789       70,022         190%
- --------------------------------------------------------------------------------
New orders (net)          $1,331,332    $1,330,970    $     362           -
- --------------------------------------------------------------------------------

BACKLOG

                                                                       Percent
         $000s                              1998          1997       Incr/(Decr)
- --------------------------------------------------------------------------------
Beginning backlog                       $2,519,302     $2,487,552         1%
New orders                               1,331,332      1,330,970         -
Revenue                                 (1,214,468)    (1,299,220)       (7)%
- --------------------------------------------------------------------------------
Ending backlog                          $2,636,166     $2,519,302         5%
- --------------------------------------------------------------------------------

DISCONTINUED OPERATION

Revenue for Nordic Refrigerated Services increased by 47 percent in 1998, due to
the  acquisition  of  The  Nordic  Group  and  to  increased  volume  and  space
utilization at the Company's existing facilities. The increase in 1998 operating
income was due to the inclusion of The Nordic Group, in part offset by increased
claims and direct labor costs resulting from the higher volume.

Revenue and income from the discontinued operation were:

         $000s                                            1998        1997
- --------------------------------------------------------------------------------
Revenue                                                 $34,312      $23,320
Operating income                                          8,490        7,340
Income tax expense                                        3,184        2,981
- --------------------------------------------------------------------------------
Income from discontinued operation                        5,306        4,359
- --------------------------------------------------------------------------------
Operating margin                                          24.7%        31.5%
- --------------------------------------------------------------------------------

PENSION RELATED ITEMS

Pension  related  items,  which reduced  operating  expenses,  were $7.3 in 1998
compared with $17.1 in 1997.  These items increased net income by $4.4 (or $0.34
per share) in 1998  compared  with $10.3 (or $0.80 per share) in 1997.  In 1998,
the Company offered an Incentive Retirement Program at a cost of $13.1 which was
reported as a reduction of income from pension related items.

PENSION (INCOME) EXPENSE

         $000s                                            1998        1997
- --------------------------------------------------------------------------------
Net pension credit on qualified U.S. plan              $(20,677)   $(18,337)
Foreign pension expense                                     203       1,238
Incentive Retirement Program                             13,129           -
- --------------------------------------------------------------------------------
Total pension related items                            $ (7,345)   $(17,099)
After-tax total pension related items                  $ (4,444)   $(10,345)
- --------------------------------------------------------------------------------
Total pension related items per share                    $(0.34)     $(0.80)
- --------------------------------------------------------------------------------

The  pension  credit  is the  result  of a plan  that is funded in excess of the
projected  benefit  obligation and income from the amortization of a SFAS 87 net
transition  asset of $9.8 in 1998 and $10.2 in 1997.  The  transition  asset was
fully amortized in 1998. The plan is overfunded primarily due to favorable asset
performance.

OTHER INCOME AND EXPENSE

Net interest  expense was $0.4 in 1998 compared with net interest income of $2.5
in 1997.  Interest  expense  increased due to higher  levels of working  capital
needed to fund lump sum  contracts  and due to the increase in bank debt used to
fund the  acquisition of The Nordic Group.  The 1997 results include $1.0 of the
gain on the sale of an office building in Boston, Massachusetts.

INCOME TAX PROVISION

The income tax  (benefit)  provision  from  continuing  operations  resulted  in
effective tax rates of (32.9) percent in 1998 and 32.9 percent in 1997. The 1998
benefit was lower than the United States  statutory  rate  primarily  because of
nonutilization of foreign losses. The Company had a valuation  allowance of $3.6
at December 31, 1997 for the deferred tax assets  related to net operating  loss
carryforwards. The valuation allowance increased by $5.5 to a balance of $9.1 at
December 31,  1998.  The  increase  was due to domestic  and  international  net
operating losses.  The valuation  allowance at December 31, 1998 was composed of
$2.0  relating  to the  carryforwards  of  international  subsidiaries  and $7.1
relating to state net operating loss carryforwards.

FINANCIAL CONDITION AND LIQUIDITY

Cash and cash  equivalents  increased by $61.0  during  1999.  Net cash used for
operating  activities of $50.8 reflects the operating loss of $115.0 offset by a
decrease in operating working capital (which consists of accounts receivable and
costs and revenue in excess of billings  less  accounts  payable and billings in
excess  of costs and  revenue  recognized)  and  depreciation  and  amortization
expense.  The  decrease  in  operating  working  capital  was  primarily  due to
provisions  for increased  anticipated  costs to complete  certain  projects and
additional  expenditures  to  accelerate  other  projects.  Net cash provided by
investing  activities of $186.7 includes proceeds of $187.0 from the sale of the
Company's  headquarters building, and proceeds from a note receivable reduced by
purchases of fixed  assets used in the  Company's  operations.  Net cash used by
financing  activities  of $74.4  reflects the  repayment of bank loans and long-
term debt and the  payment of  dividends,  offset by the $15.4 sale of  treasury
stock to the Employee Retirement Plan. Total debt was $45.1 at December 31,1999,
compared to $130.8 at December 31, 1998.

As of the end of the third quarter of 1999, the Company had fully drawn the cash
available to it under its credit  facility and the amount of the Company's  past
due trade  payables had  increased,  with certain of the  Company's  vendors and
subcontractors  having  delayed  work to be  performed  by  them.  As a  result,
provisions  were  established in the fourth quarter of 1999 for  acceleration of
certain  of the  affected  projects.  In order to  improve  the  Company's  cash
liquidity,  the Company retained  financial  advisors who are continuing to work
with the  Company  to  arrange  both  interim  and  longer  term  financing,  to
restructure  the  Company's  balance  sheet and assist with the planned  sale of
Nordic.

On November  29,  1999,  the Company  reached an  agreement  with its  principal
bank-lending  group to expand and extend its current credit facility.  Under the
agreement,  the borrowing facility was increased by $30.0 to a maximum of $160.0
and  extended  through  May  31,  2000.  Upon  sale of the  Boston  headquarters
building,  $140.0 of  borrowings  was  repaid  permanently  reducing  the amount
available to be borrowed to $20.0.  As of December  31,  1999,  the entire $20.0
available for direct borrowings had been borrowed and $88.2 of letters of credit
were outstanding  under this new agreement.  In addition,  at December 31, 1999,
$7.2 of letters of credit were outstanding under other bank arrangements.  As of
December  31,  1999,  the  Company  had foreign  subsidiary  banking  facilities
available  totaling  $8.4 of which $2.8 was utilized.  The available  amount for
issuance of letters of credit was $11.8 as of December 31, 1999.

The Company has experienced  recurring  operating losses and liquidity  problems
during the past year. To address these  issues,  on April 14, 2000,  the Company
completed  negotiations  and entered into an agreement with its current  lending
group to extend the credit  facility to January  31,  2001.  The amended  credit
facility  contains  certain  quarterly  financial  covenants and stipulates that
proceeds from the sale of the  discontinued  operation will be used to repay the
outstanding  direct  borrowings and to provide  support to the lending group for
the Company's outstanding letters of credit. The remaining proceeds will be used
to enhance the Company's  working capital  position.  The credit  agreement also
requires the Company to deposit with the lending group $ 5.0 per month for three
months  beginning  in October  2000,  as  additional  support for the  Company's
letters of credit.

In light of the Company's  liquidity  needs, on October 26, 1999 and January 25,
2000, the Board of Directors decided to forego the Company's  quarterly dividend
which had  previously  been $0.15 per  share.  During  1999,  the  Company  also
suspended  making  purchases  under  its  share  repurchase  program,  which  is
described in Note N to the consolidated financial statements, and no shares were
purchased during the year.

The Company enters into forward exchange contracts to hedge anticipated  foreign
currency  procurement  related to  contract  execution.  The  Company's  forward
exchange  contracts do not subject the Company to significant risk from exchange
rate  movements,  because gains and losses on such  contracts  offset losses and
gains, respectively,  on the procurement transactions being hedged. Although the
Company cannot  accurately  predict changes in foreign currency  exchange rates,
management does not believe that such changes will have a material impact.

In the normal course of executing lump sum turnkey engineering,  procurement and
construction  contracts,  the Company may enter into  purchase  commitments  for
equipment,  material and services  that,  depending  on the  circumstances,  may
require payment of cancellation costs in the event of contract  termination.  It
is the Company's  policy to negotiate  termination  and suspension  clauses in a
contract   providing  for  reimbursement  to  the  Company  for  all  reasonable
cancellation costs associated with a project termination or cancellation. In the
event that the  contracting  party is unable to  fulfill  their  commitment  for
reimbursement,  the  Company  could be liable to its  suppliers  for  payment of
cancellation costs.

Outstanding debt consisted of the following as of December 31, 1999 and 1998:

         $000s                                            1999        1998
- --------------------------------------------------------------------------------
Long-term (primarily mortgage debt)                     $20,938     $ 24,197
Lease debt (primarily for office equipment)               1,356          206
Bank loans                                               22,793      106,350
- --------------------------------------------------------------------------------
Total debt                                              $45,087     $130,753
- --------------------------------------------------------------------------------

OTHER ACCOUNTING MATTERS

In June 1998, the FASB issued Statement of Financial  Accounting Standards (FAS)
No. 133,  "Accounting for Derivative  Instruments and Hedging  Activities." This
Statement  provides a comprehensive and consistent  standard for the recognition
and  measurement  of  derivatives  and hedging  activities.  It requires that an
entity  recognize  all  derivatives  as  either  assets  or  liabilities  in the
statement of financial position and measure those instruments at fair value. The
Statement  implementation  date was  modified  by FAS 137 and is  effective  for
fiscal  years  beginning  after June 15,  2000.  The Company  will adopt the new
standard on January 1, 2001.  Management is evaluating the impact this Statement
may have on the Company's financial statements.

YEAR 2000 COMPLIANCE

The Company  evaluated and upgraded its computer  applications in part to ensure
their functionality with respect to the Year 2000.

The Company  completed its  evaluation of all software and  information  systems
which it uses and implemented the systems and programming  changes  necessary to
address the Year 2000 issue during 1999. Key financial  systems became compliant
through  implementation of new  enterprise-wide  financial systems.  The primary
objective of  implementing  these new systems was to improve access to financial
information  of  the  Company  and  to  implement  a  state-of-the-art   project
accounting system.  Therefore,  costs related to this implementation effort were
not considered Year 2000 compliance costs.

The Company's Year 2000 readiness review of material customers,  major suppliers
and third party  software and hardware  vendors was completed in 1999 and, based
upon this review,  management  does not believe that the Company will experience
any significant exposure.

The  cost  to  correct   internal   systems  and  review  external  systems  was
approximately $0.5.

Readers are cautioned that forward-looking statements contained in the Year 2000
Issue disclosure  should be read in conjunction  with the Company's  disclosures
under the heading: "Forward- Looking Information."


Forward-Looking Information

The Private Securities  Litigation Reform Act of 1995 provides a safe harbor for
forward-looking   statements  made  by  or  on  behalf  of  the  Company.   This
Management's  Discussion  and Analysis and other  sections of this Annual Report
contain forward-looking  statements that are based on Management's best judgment
as to what may occur in the  future.  The  Company  cautions  that a variety  of
factors,  including  but not  limited to the  following,  could  cause  business
conditions  and  results  to  differ   materially  from  what  is  contained  in
forward-looking statements: changes in the rate of economic growth in the United
States and other major  international  economies,  changes in  investment by the
energy, power and environmental  industries,  the uncertain timing of awards and
contracts,  changes in regulatory  environments,  changes in project  schedules,
changes  in  trade,   monetary   and  fiscal   policies   world-wide,   currency
fluctuations, outcomes of pending and future litigation, protection and validity
of patents and other  intellectual  property rights,  increasing  competition by
foreign and domestic companies and other risks detailed from time to time in the
Company's  filings  with the  Securities  and Exchange  Commission.  The Company
undertakes   no   obligation   to  publicly   release  any   revisions   to  the
forward-looking  statements or reflect events or circumstances after the date of
this document.

<PAGE>
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
(Dollars in thousands, except per share amounts.)
- --------------------------------------------------------------------------------

                                                Years ended December 31,
                                            1999          1998          1997
- --------------------------------------------------------------------------------
Revenue                                  $1,167,848    $1,214,468    $1,299,220
Cost of revenue                           1,212,979     1,224,157     1,190,697
- --------------------------------------------------------------------------------
   Gross profit (loss)                      (45,131)       (9,689)      108,523
General and administrative expenses          69,893        71,335        68,571
- --------------------------------------------------------------------------------
Operating income (loss)                    (115,024)      (81,024)       39,952
Other income (expense):
   Gain on sale of assets                   151,251             -           985
   Interest income                            2,328         3,679         4,269
   Interest expense                         (12,959)       (4,076)       (1,739)
- --------------------------------------------------------------------------------
Income (loss) from continuing
  operations before provision for
  taxes                                      25,596       (81,421)       43,467
Income tax provision (benefit)               10,260       (26,813)       14,316
- --------------------------------------------------------------------------------
Income (loss) from continuing
  operations                                 15,336       (54,608)       29,151
Income from discontinued operation,
  net of taxes                                5,136         5,306         4,359
- --------------------------------------------------------------------------------
Net income (loss)                            20,472       (49,302)       33,510
- --------------------------------------------------------------------------------
Other comprehensive income - change
  in cumulative translation adjustment         (640)       (7,502)           75
- --------------------------------------------------------------------------------
Comprehensive income (loss)              $   19,832    $  (56,804)   $   33,585
================================================================================

Per share amounts:
Basic earnings (loss) per share:
   Continuing operations                      $1.17        $(4.24)        $2.27
   Discontinued operation                      0.39          0.41          0.34
- --------------------------------------------------------------------------------
     Total earnings (loss) per share          $1.56        $(3.83)        $2.61
- --------------------------------------------------------------------------------
Diluted earnings (loss) per share:
   Continuing operations                      $1.17        $(4.24)        $2.25
   Discontinued operation                      0.39          0.41          0.34
- --------------------------------------------------------------------------------
     Total earnings (loss) per share          $1.56        $(3.83)        $2.59
- --------------------------------------------------------------------------------
Dividends declared per share                  $0.45        $ 0.60         $0.60
================================================================================

        The accompanying notes are an integral part of the consolidated
                              financial statements.

<PAGE>
CONSOLIDATED BALANCE SHEETS
(Dollars in thousands except per share amounts.)
- --------------------------------------------------------------------------------

                                                              December 31,
ASSETS                                                     1999          1998
- --------------------------------------------------------------------------------
Current assets:
  Cash and cash equivalents                              $106,481     $  45,492
  Accounts receivable                                     288,824       293,240
  Costs and revenue recognized in excess of billings       98,663        79,102
  Deferred income taxes                                    41,286        20,338
  Other                                                       404           638
- --------------------------------------------------------------------------------
     Total current assets                                 535,658       438,810

Fixed assets, net                                          73,837       219,157
Domestic prepaid pension cost                             157,089       155,703
Net assets of discontinued operation                      112,110             -
Assets held for sale                                        6,744         6,744
Note receivable                                                 -        15,150
Prepaid expenses                                           11,719         9,378
Other assets                                               36,139        36,545
- --------------------------------------------------------------------------------
                                                         $933,296      $881,487
================================================================================

LIABILITIES AND SHAREHOLDERS' EQUITY
- --------------------------------------------------------------------------------
Current liabilities:
  Bank loans                                             $ 22,793      $106,350
  Current portion of long-term debt                         2,344         2,175
  Accounts payable, principally trade                     161,218       113,139
  Billings in excess of costs and revenue recognized      247,961       206,492
  Accrued liabilities                                      76,612        80,036
  Accrued taxes                                            17,371        12,034
- --------------------------------------------------------------------------------
     Total current liabilities                            528,299       520,226

Long-term debt                                             19,950        22,228
Deferred income taxes                                      49,482        33,030
Other liabilities                                          11,216        14,427
Commitments and contingencies (Note M)
Shareholders' equity:
  Preferred stock, no par value
    Authorized:  2,000,000 shares
    Issued:  none
  Common stock, $1 par value
    Authorized:  40,000,000 shares
    Issued:  17,731,488 shares, including shares
      held in treasury                                     17,731        17,731
  Capital in excess of par value of common stock           42,579        54,625
  Retained earnings                                       382,016       367,358
  Accumulated other comprehensive income (loss)           (10,347)       (9,707)
- --------------------------------------------------------------------------------
                                                          431,979       430,007
- --------------------------------------------------------------------------------
  Less:  Common stock held in treasury, at cost
           (3,554,102 and 4,692,933 shares,
           respectively)                                   92,091       122,030
         Employee stock ownership and restricted
           stock plans                                     15,539        16,401
- --------------------------------------------------------------------------------
                                                          107,630       138,431
- --------------------------------------------------------------------------------
Total shareholders' equity                                324,349       291,576
- --------------------------------------------------------------------------------
                                                         $933,296      $881,487
================================================================================

 The accompanying notes are an integral part of the consolidated
                      financial statements.

<PAGE>
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
(Dollars in thousands.)
- --------------------------------------------------------------------------------

                                                 Years ended December 31,
                                             1999          1998          1997
- --------------------------------------------------------------------------------
Common stock:
  Balance at beginning and end of year     $ 17,731     $  17,731     $  17,731
- --------------------------------------------------------------------------------
Retained earnings:
  Balance at beginning of year              367,358       424,287       398,342
  Income tax benefit of Employee Stock
    Ownership Plan dividends                     64            92           124
  Net income (loss)                          20,472       (49,302)       33,510
  Dividends declared                         (5,878)       (7,719)       (7,689)
- --------------------------------------------------------------------------------
Balance at end of year                      382,016       367,358       424,287
- --------------------------------------------------------------------------------
Accumulated other comprehensive income
  at beginning of year                       (9,707)       (2,205)       (2,280)
Change in cumulative translation
  adjustment                                   (640)       (7,502)           75
- --------------------------------------------------------------------------------
Accumulated other comprehensive income
  at end of year                            (10,347)       (9,707)       (2,205)
- --------------------------------------------------------------------------------
Capital in excess of par value of
  common stock:
   Balance at beginning of year              54,625        51,426        50,480
   Excess (deficit) of market value over
     cost of treasury shares issued:
      Under restricted stock plans           (1,393)           30             7
      Under stock plans                           -            53            88
      On sale to Employee Retirement
        Plan                                (10,655)            -             -
   Excess of exercise price over cost
     of treasury shares issued under
     the stock option plans                       -           138           406
   Tax benefit for shares issued under
     restricted stock plans, net                  2            17             3
   Issuance of stock for acquisitions             -         2,961             -
   Acceleration of stock options                  -             -           442
- --------------------------------------------------------------------------------
   Balance at end of year                    42,579        54,625        51,426
- --------------------------------------------------------------------------------
Common stock in treasury:
  Balance at beginning of year             (122,030)     (127,070)     (125,724)
  Cost of treasury shares:
    Sold to Employee Retirement Plan         26,005             -             -
      (1,000,000 shares)
    Issued under stock plans (4,039,
      3,509 and 5,310 shares in 1999,
      1998 and 1997, respectively)              104            91           137
    Issued under stock option plans
      (21,250 and 63,500 shares in 1998
      and 1997, respectively)                     -           552         1,638
    Issued under restricted stock plans
      (134,792, 2,224 and 690 shares in
      1999, 1998 and 1997, respectively)      3,830            58            18
    Treasury stock issued for
      acquisitions (232,273 shares in
      1998)                                       -         6,039             -
    Purchased (43,217 and 81,605 shares
      in 1998 and 1997, respectively              -        (1,700)       (3,139)
- --------------------------------------------------------------------------------
   Balance at end of year                   (92,091)     (122,030)     (127,070)
- --------------------------------------------------------------------------------
Employee stock ownership and restricted
  stock plans:
   Balance at beginning of year             (16,401)      (18,937)      (21,416)
   Payments received from Employee Stock
     Ownership Trust (principal only)         2,815         2,537         2,285
   Market value of shares (issued) under
     restricted stock plans, net             (2,437)          (88)          (25)
   Amortization of market value of
     shares issued under restricted
     stock plans                                484            87           219
- --------------------------------------------------------------------------------
  Balance at end of year                    (15,539)      (16,401)      (18,937)
- --------------------------------------------------------------------------------
Total shareholders' equity                 $324,349      $291,576      $345,232
================================================================================


         The accompanying notes are an integral part of the consolidated
                              financial statements.

<PAGE>
CONSOLIDATED STATEMENTS OF CASH FLOWS
(Dollars in thousands.)
- --------------------------------------------------------------------------------

                                                 Years ended December 31,
                                              1999          1998          1997
- --------------------------------------------------------------------------------
Cash flows from operating activities:
  Net income (loss)                        $  20,472     $ (49,302)    $ 33,510
  Adjustments:
   Income from discontinued operation         (5,136)            -            -
   Restructuring and other charges -
     real estate write-downs                       -        (3,066)      (7,954)
  Depreciation and amortization   `           16,678        23,723       13,681
  Deferred income taxes                       (4,496)      (25,936)       5,761
  Domestic pension credit                     (1,386)       (7,548)     (18,337)
  Gain on sale of assets                    (151,251)            -         (985)
  Amortization of net cost of stock
    plans                                      1,637         1,243        1,379
  Changes in operating assets and
    liabilities:
     Accounts receivable                       4,416      (113,183)       1,843
     Costs and revenue recognized in
       excess of billings                    (19,561)       23,374        7,547
     Accounts payable                         48,079        27,801        8,787
     Billings in excess of costs and
       revenue recognized                     41,469        90,762       11,988
     Accrued taxes                             5,337        (2,655)       7,525
     Accrued liabilities                      (3,424)        1,978       (9,088)
     Prepaid expenses                         (2,341)       (3,982)      (2,334)
   Other                                      (1,317)      (35,677)      29,861
- --------------------------------------------------------------------------------
Net cash provided (used) by operating
  activities                                 (50,824)      (72,468)      83,184
- --------------------------------------------------------------------------------
Cash flows from investing activities:
  Proceeds from maturities of U.S.
    Government securities                          -        31,909       93,671
  Purchases of U.S. Government
    securities                                     -             -     (121,574)
  Proceeds from asset divestitures           187,000        13,546        4,919
  Proceeds from note receivable               15,150             -            -
  Payments for acquisitions, net of
    cash acquired                                  -       (79,430)           -
  Purchase of fixed assets                   (15,449)      (20,290)     (25,909)
- --------------------------------------------------------------------------------
Net cash provided (used) by investing
  activities                                 186,701      (54,265)      (48,893)
- --------------------------------------------------------------------------------
Cash flows from financing activities:
  Repayments of long-term debt                (2,109)      (1,787)       (1,657)
  Proceeds from bank loans                    62,464      106,350             -
  Payments of bank loans                    (146,021)           -        (5,000)
  Payments from Employee Stock
    Ownership Trust                            4,588        4,588         4,588
  Payments to Employee Stock Ownership
    Trust                                     (2,815)      (2,537)       (4,251)
  Purchase of common stock for treasury            -       (1,700)       (3,139)
  Sale of treasury stock to Employee
    Retirement Plan                           15,350            -             -
  Dividends paid                              (5,878)      (7,719)       (7,689)
- --------------------------------------------------------------------------------
Net cash provided (used) by financing
  activities                                 (74,421)      97,195       (17,148)
- --------------------------------------------------------------------------------
Net cash (used) by discontinued
  operation                                     (467)           -             -
- --------------------------------------------------------------------------------
Net increase (decrease) in cash and
  cash equivalents                            60,989      (29,538)       17,143
- --------------------------------------------------------------------------------
Cash and cash equivalents at beginning
  of year                                     45,492       75,030        57,887
- --------------------------------------------------------------------------------
Cash and cash equivalents at end of
  year                                     $ 106,481     $ 45,492      $ 75,030
- --------------------------------------------------------------------------------
Supplemental disclosures:
  Cash paid for interest                   $  12,964     $  4,072      $  1,731
  Cash paid for income taxes               $   5,285     $  5,651      $  5,634
  Receipt of note for asset held for
    sale                                           -            -      $ 15,000
- --------------------------------------------------------------------------------
  Fair value of assets acquired            $       -     $ 13,653      $      -
  Liabilities assumed                              -       (4,653)            -
- --------------------------------------------------------------------------------
                                           $       -     $  9,000      $      -
================================================================================


         The accompanying notes are an integral part of the consolidated
                              financial statements.


<PAGE>

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Dollars in thousands, except per share amounts.)
- --------------------------------------------------------------------------------

(A)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Stone & Webster,  Incorporated and Subsidiaries (the "Company") has prepared its
financial statements in accordance with generally accepted accounting principles
and has adopted  accounting  policies and practices which are generally accepted
in the  industries in which it operates.  Unless noted  otherwise,  earnings per
share amounts are presented on a diluted basis.  The following are the Company's
significant accounting policies:

BASIS OF CONSOLIDATION

The accompanying consolidated financial statements include the accounts of Stone
& Webster,  Incorporated  and its wholly owned  subsidiaries.  All  intercompany
transactions and accounts have been eliminated.

REVENUE RECOGNITION ON LONG-TERM CONTRACTS

The   Company   recognizes   engineering   and   construction   revenue   on   a
percentage-of-completion  method,  primarily  based on contract  costs  incurred
compared  with total  estimated  costs  (contract  costs include both direct and
indirect costs).  When the Company is  contractually  responsible for materials,
craft labor,  equipment  and  subcontractor  costs,  these items are included in
revenue and cost of revenue.  Revisions  to total  estimated  contract  costs or
losses, if any, are recognized in the period in which they are determined.

Certain contracts contain provisions for performance incentives. Such incentives
are included in revenue when  realization is assured.  Contract change orders in
excess of agreed  contract  prices are included in revenue when  approved by the
client, or when realization is considered probable. Revenue recognized in excess
of amounts billed is classified in current assets.  Accounts  receivable include
amounts  representing  retainages under long-term contracts which are due within
one year. These retainage amounts are not material. The Company anticipates that
substantially all of its costs and revenue recognized in excess of billings will
be  billed  and  collected  over  the  next  twelve  months  and  there  were no
significant  amounts  included  in  accounts  receivable  or costs  and  revenue
recognized  in  excess  of  billings  under  contracts  for  claims  subject  to
uncertainty  as to their  ultimate  realization.  Billings  in excess of revenue
recognized are classified in current liabilities.

CASH EQUIVALENTS AND U.S. GOVERNMENT SECURITIES

Cash equivalents consist of overnight repurchase  agreements and U.S. Government
securities held for cash management  purposes having  maturities of three months
or less  from  the  date of  purchase.  The  carrying  amounts  for  cash,  cash
equivalents and U.S. Government securities approximate their fair values because
of the short maturity of the instruments.

FIXED ASSETS

Fixed  assets are stated at cost.  Fixed  assets  include  amounts  relating  to
software capitalized for internal use. The costs associated with the application
development  stage are  capitalized,  such as direct external costs and directly
related   internal   payroll  and  payroll  related  costs.   Depreciation   and
amortization  are  generally  provided  on a  straight-line  basis  (accelerated
methods for income taxes) over the estimated  useful lives of the assets:  31 to
39 years for buildings and 3 to 15 years for furniture and equipment.  Leasehold
improvements are amortized over the shorter of the useful lives or the remaining
terms of the related  leases.  Upon retirement or sale, the cost and accumulated
depreciation are removed from the accounts and any resulting gains or losses are
reflected in earnings or loss for the period.

The Company  reviews its  property,  plant and  equipment  and other  long-lived
assets periodically to determine potential impairment. In performing the review,
the Company estimates undiscounted cash flows expected to result from the use of
the asset and its eventual  disposition.  If the sum of the expected future cash
flows  is  less  than  the  carrying  amount  of the  asset,  an  impairment  is
recognized.

EQUITY IN JOINT VENTURES AND LIMITED PARTNERSHIPS

As is common in the industry,  the Company  executes certain  contracts  jointly
with third parties  through joint  ventures,  limited  partnerships  and limited
liability  companies.  Investments in joint venture companies and investments in
limited  partnerships and limited liability  companies owned more than 5 percent
by the  Company  are  accounted  for  principally  by the equity  method for the
balance sheet and proportionate consolidation for the statement of operations.

INCOME TAXES

Deferred tax assets and  liabilities  are recognized for the expected future tax
consequences of events that have been  recognized in the Company's  consolidated
financial  statements  or  tax  returns.   Undistributed   earnings  of  foreign
subsidiaries,  for which the Company has not provided deferred U.S. income taxes
because a taxable  distribution  of these  earnings  is not  anticipated,  total
approximately  $15,366 at December 31, 1999.  On the same basis,  deferred  U.S.
income taxes have not been  provided on the  cumulative  translation  adjustment
component  of  comprehensive  income.   Undistributed  earnings  represents  the
accumulated earnings of consolidated  international subsidiaries which are being
permanently reinvested in their operations. Investment tax credits are accounted
for by reducing  income taxes  currently  payable and the  provision  for income
taxes in the period the related assets are placed in service.

TRANSLATION ADJUSTMENTS

Assets and liabilities of  international  subsidiaries  are translated into U.S.
dollars at year-end  exchange rates, and income and expense items are translated
at the average exchange rates for the year.  Resulting  translation  adjustments
are reported as a separate component of stockholders'  equity. These adjustments
account for the balance of accumulated other comprehensive income.

FOREIGN EXCHANGE CONTRACTS

The  Company  uses  derivative  financial  instruments  to hedge  equipment  and
material  procurement  commitments  undertaken  as  contract  activities  in the
ordinary course of business.  The Company's  forward  exchange  contracts do not
subject the  Company to risk from  exchange  rate  movements  because  gains and
losses on such contracts offset losses and gains,  respectively,  on the assets,
liabilities or transactions being hedged. Accordingly,  the unrealized gains and
losses are deferred and accounted for as part of the underlying transactions. At
December  31, 1999,  the Company had  approximately  $2,185 of foreign  currency
exchange contracts  outstanding  relating to contract  obligations.  In entering
into these  contracts,  the  Company has assumed the risk which might arise from
the possible  inability of  counterparties to meet the terms of their contracts.
The Company does not expect any losses as a result of counterparty defaults.

In June 1998, the FASB issued Statement of Financial  Accounting Standards (FAS)
No. 133,  "Accounting for Derivative  Instruments and Hedging  Activities." This
Statement  provides a comprehensive and consistent  standard for the recognition
and  measurement  of  derivatives  and hedging  activities.  It requires that an
entity  recognize  all  derivatives  as  either  assets  or  liabilities  in the
statement of financial position and measure those instruments at fair value. The
Statement  implementation  date was modified by FAS No. 137 and is effective for
fiscal  years  beginning  after June 15,  2000.  The Company  will adopt the new
standard on January 1, 2001.  Management is evaluating the impact this statement
will have on the Company's financial statements.

USE OF ESTIMATES

The preparation of financial  statements in conformity  with generally  accepted
accounting principles requires management to make estimates and assumptions that
affect the  reported  amounts  of assets  and  liabilities  and  disclosures  of
contingent  assets and  liabilities at the date of the financial  statements and
the reported  amounts of revenue and expenses during the reporting  period.  The
most significant  estimates are related to long-term  contracts,  pension plans,
income  taxes  and  contingencies.   Actual  results  could  differ  from  these
estimates.

RECLASSIFICATIONS

Certain  financial  statement  items  have been  reclassified  to conform to the
current year's presentation.

(B)  DISCONTINUED OPERATION

On October 27,  1999,  the Company  announced  its  intention to sell the Nordic
Refrigerated Services business unit (Nordic). Accordingly, the results have been
classified as a discontinued operation and prior periods have been reclassified.
The  Company  does  not  anticipate  a loss on the  sale of  this  segment  and,
accordingly,  no loss  provision  has been  recorded.  Income from  discontinued
operation from the measurement  date to December 31, 1999 was $1,537 ($921 after
tax).

In October  1998,  the  Company  acquired  The Nordic  Group,  a  multi-location
privately-owned  cold storage  company.  At the closing,  the purchase  price of
approximately  $80,000 was paid,  primarily in cash.  The Company  recorded this
transaction  using the purchase method of accounting for business  combinations.
Goodwill related to this transaction amounted to $1,633 which is being amortized
over 20 years.

Revenue and income from discontinued operation were:

                                             1999          1998          1997
- --------------------------------------------------------------------------------
Revenue                                    $46,768       $34,312       $23,320
Operating income                             8,576         8,490         7,340
Income tax expense                           3,440         3,184         2,981
- --------------------------------------------------------------------------------
Income from discontinued operation         $ 5,136       $ 5,306       $ 4,359
- --------------------------------------------------------------------------------

Net assets from discontinued operation were:

                                                    1999           1998
- --------------------------------------------------------------------------------
Cash                                             $  1,864       $  2,331
Other current assets                                5,933          7,566
Fixed assets, net                                 110,108        114,795
Other assets                                        4,848          2,165
Current liabilities                                (1,201)        (8,487)
Deferred taxes                                     (9,442)        (4,680)
- --------------------------------------------------------------------------------
Net assets of discontinued operation             $112,110       $113,690
- --------------------------------------------------------------------------------

(C)  DIVESTITURE OF NONCORE ASSETS AND ASSETS HELD FOR SALE

In December 1999, the Company sold its corporate headquarters building in Boston
for $187,000,  resulting in a gain of $151,251  ($92,236  after tax or $7.03 per
share).  In 1998, the Company sold its Cherry Hill, New Jersey,  office building
for  $13,546,  resulting  in a gain of  $3,066  ($1,993  after  tax or $0.15 per
share).  In December  1997,  the Company  sold a building in Boston for $20,000,
resulting in a gain of $8,939 ($5,363 after tax or $0.41 per share).

In  1998,  the  Company  acquired  ownership  of S.C.  Wood,  LLC (SC  Wood)  in
settlement of claims against a client who failed to fulfill certain  contractual
obligations.  The assets of SC Wood consist  primarily  of a petroleum  products
pumping  station,  and are carried at $6,744  representing the net book value of
the  services and other  advances in  connection  with the project.  The Company
plans to sell the  operations of SC Wood and therefore the net assets of SC Wood
are classified as an asset held for sale in the Company's  Consolidated  Balance
Sheets at December 31, 1999 and 1998.

(D)  ACQUISITIONS

In January  1998,  the  Company  purchased  the  assets of Belmont  Constructors
Company,  Inc.  ("Belmont").  At the  closing,  the Company  paid  approximately
$5,300.  The final  purchase  price,  which was  contingent  upon the results of
certain  long-term  contracts,  was $3,733.  Belmont is  principally  engaged in
providing  construction and construction  management services to a diverse group
of clients in the hydrocarbons, water, industrial and power markets. The Company
recorded this  transaction  using the purchase method of accounting for business
combinations. The fair value of assets acquired exceeded the purchase price and,
therefore, the long-term assets have been reduced.

In August 1998, the Company  completed the  acquisition  of Power  Technologies,
Inc. ("PTI").  PTI provides engineering  consulting services,  develops computer
software for use by utility companies, develops and conducts educational courses
and develops  customized computer hardware.  At the closing,  the purchase price
was paid in the form of 232,723  shares of common stock of the Company  having a
value of $9,000. Along with certain other contingent cash considerations related
to a specific  project,  PTI shareholders  may receive up to 206,518  additional
shares of the  Company's  common  stock having a value (based on the stock price
used in  connection  with the initial  closing) of up to $8,000 based on meeting
certain  performance  requirements  over the next  four  years.  The  contingent
consideration,  if incurred,  will be recorded as an adjustment to goodwill. The
Company  recorded this  transaction  using the purchase method of accounting for
business  combinations and recorded  goodwill related to this transaction in the
amount of $3,354.  In 1999, the Company  completed its valuation of the carrying
value of assets in  conjunction  with the  purchase of PTI.  This  resulted in a
reduction to certain  assets and a purchase  price  adjustment  which  increased
goodwill by $2,093, and is being amortized over 20 years.

In October  1998,  the Company  acquired The Nordic  Group.  Refer to Note B for
additional information relating to this acquisition.

The  results  of these  acquisitions  have  been  included  in the  Consolidated
Statement of Operations and  Comprehensive  Income from the respective  dates of
acquisition.  The pro forma  unaudited  results of  operations  as though  these
acquisitions  had  occurred as of the  beginning of 1997,  excluding  the Nordic
discontinued operation, are as follows:

(Unaudited)                                         1998           1997
- --------------------------------------------------------------------------------
Revenue                                          $1,258,332     $1,449,725
Operating income (loss)                             (73,015)        16,502
Net income (loss)                                   (49,728)         9,434
- --------------------------------------------------------------------------------
Basic earnings (loss) per share                      $(3.86)         $0.74
Diluted earnings (loss) per share                    $(3.86)         $0.73
- --------------------------------------------------------------------------------

Pro forma results are not indicative of future performance.

(E)  INCOME TAXES

Income (loss) from continuing  operations before income taxes and the components
of the income tax provision  (benefit) for  continuing  operations for the years
ended December 31, 1999, 1998 and 1997 are as follows:

Income (loss) from continuing                    1999         1998        1997
operations before income taxes:
- --------------------------------------------------------------------------------
Domestic                                       $56,836     $(85,058)    $23,479
International                                  (31,240)       3,637      19,988
- --------------------------------------------------------------------------------
                                               $25,596     $(81,421)    $43,467
- --------------------------------------------------------------------------------
Income tax provisions (benefit) for
  continuing operations:
   Current tax expense (benefit):
     United States                             $   723     $ (5,998)    $ 4,851
     State and local                             6,818        1,491       3,133
     International (1)                           1,298        6,814       3,552
- --------------------------------------------------------------------------------
Total current                                    8,839        2,307      11,536
- --------------------------------------------------------------------------------
   Deferred tax expense (benefit):
     United States                              16,753      (24,381)      2,699
     State and local                            (3,850)      (3,649)        (48)
     International                             (11,482)      (1,090)        129
- --------------------------------------------------------------------------------
Total deferred                                   1,421      (29,120)      2,780
- --------------------------------------------------------------------------------
Income tax provision (benefit) for
  continuing operations                        $10,260     $(26,813)    $14,316
- --------------------------------------------------------------------------------

(1)  Includes taxes, in lieu of income taxes, of $355 in 1999, $291 in 1998, and
     $921 in 1997 on international  projects which are calculated based on gross
     receipts.

Deferred tax liabilities (assets) are composed of the following:

                                                               December 31,
                                                           1999           1998
- --------------------------------------------------------------------------------
Long-term liabilities:
  Depreciation                                          $  4,423       $  5,294
  Retirement                                              63,460         62,099
  Other                                                    1,125            911
- --------------------------------------------------------------------------------
Total long-term liabilities                               69,008         68,304

Long-term assets:
  Deferred rent                                           (1,792)        (2,513)
  Employee Stock Ownership Plan interest
    payments and contributions                            (1,369)        (3,317)
  AMT credit carryforward                                 (5,906)        (5,142)
  Foreign net operating loss carryforward                (12,485)        (6,730)
  State net operating loss carryforwards                 (11,013)        (7,149)
  U.S. net operating loss carryforwards                        -        (18,324)
  Noncurrently deductible accruals                          (203)        (1,246)
- --------------------------------------------------------------------------------
Total long-term assets                                   (32,768)       (44,421)
- --------------------------------------------------------------------------------
Net operating loss valuation allowance                    13,242          9,147
- --------------------------------------------------------------------------------
Net long-term deferred tax liabilities                    49,482         33,030
- --------------------------------------------------------------------------------
Current assets:
  Vacation pay                                            (4,049)        (4,671)
  Severance pay                                             (458)          (589)
  U.S. net operating loss carryforwards                  (19,685)             -
  Foreign net operating loss carryforward                 (5,993)             -
  State net operating loss carryforwards                  (2,750)          (660)
  Contract reserves                                       (1,564)       (13,771)
  Other                                                   (6,787)          (647)
- --------------------------------------------------------------------------------
Total current deferred tax assets                        (41,286)       (20,338)
- --------------------------------------------------------------------------------
Net deferred tax liabilities                            $  8,196       $ 12,692
- --------------------------------------------------------------------------------

The Company,  as a result of the net operating loss (NOL),  paid $706 of federal
alternative  minimum tax ("AMT") in 1999. The AMT credit carryforward was $5,906
at December  31,  1999.  This AMT credit can be carried  indefinitely  to reduce
future federal income taxes payable.

The  Company had a valuation  allowance  of $9,147 at December  31, 1998 for the
deferred tax assets related to net operating loss carryforwards.  The net change
in the  valuation  allowance  for 1999 was an  increase  of  $4,095  for a total
valuation  allowance of $13,242 at December  31,  1999.  The increase was due to
state and foreign entity operating losses.  The valuation  allowance at December
31, 1999 comprises  $11,013  relating to state net operating loss  carryforwards
and $2,229 relating to the carryforwards of international subsidiaries.

For tax purposes,  approximately $331,093 (with a tax benefit of $51,926) of the
net operating loss  carryforwards  remain at December 31, 1999, of which $60,597
(with a tax benefit of $18,478) is applicable to international subsidiaries,  of
which $54,716 does not expire,  $213,216 (with a tax benefit of $13,763) relates
to state net operating loss  carryforwards and the remaining $57,280 (with a tax
benefit of $19,685),  relates to United States net operating loss carryforwards.
Use of net operating loss carryforwards is limited to future taxable earnings of
the subsidiaries. Operating loss carryforwards will expire as follows:

        2000                                                   $     62
        2001                                                      4,921
        2002                                                      4,596
        2003                                                     42,994
        2004                                                     16,952
        2005                                                        828
        Thereafter                                              206,024
- --------------------------------------------------------------------------------
        Total                                                  $276,377
- --------------------------------------------------------------------------------

The  Company  has  determined  that it will be able to realize a tax  benefit of
$38,684  relating  to these  state,  federal  and  foreign  net  operating  loss
carryforwards  and the remaining net operating  loss  carryforwards  (with a tax
benefit of $13,242, which is fully reserved) are expected to expire unused.

The  following  is an  analysis  of the  difference  between  the United  States
statutory income tax rate and the Company's effective income tax rate:

                                                    1999       1998       1997
- --------------------------------------------------------------------------------
United States statutory income tax rate             35.0%     (35.0)%     35.0%
Increase (decrease) resulting from:
  State and local income taxes, net of United
    States tax effect                                7.6       (1.8)       4.6
  Meals and entertainment                            1.8        0.4        1.4
  Difference in effective tax rate of
    international operations and projects,
    net of United States tax effect                  1.0        4.4        7.2
  Foreign sales corporation                         (3.9)      (1.2)         -
  Investment tax credit - Canada                       -       (0.2)      (0.3)
  Adjustment of prior years' federal income
    tax accruals, net of interest effect            (1.6)      (0.2)         -
  Utilization of net operating loss
    carryforwards of international operations          -          -      (14.5)
  Other                                              0.2        0.7       (0.5)
- --------------------------------------------------------------------------------
Effective income tax rate                           40.1%     (32.9)%     32.9%
- --------------------------------------------------------------------------------

(F)  EARNINGS PER SHARE (EPS)

The following is the calculation of basic and fully diluted EPS:

EPS                                              1999         1998        1997
- --------------------------------------------------------------------------------
Income (loss) from continuing operations       $15,336     $(54,608)    $29,151
Income (loss) from discontinued operation        5,136        5,306       4,359
- --------------------------------------------------------------------------------
  Net income (loss)                            $20,472     $(49,302)    $33,510
- --------------------------------------------------------------------------------
Weighted average shares outstanding -
  basic (000s)                                  13,116       12,886      12,812
- --------------------------------------------------------------------------------
Basic EPS                                        $1.56       $(3.83)      $2.61
- --------------------------------------------------------------------------------
Weighted average shares outstanding -
  diluted (000s)                                13,116       12,886      12,929
- --------------------------------------------------------------------------------
Diluted EPS (1)                                  $1.56       $(3.83)      $2.59
- --------------------------------------------------------------------------------

(1)  In 1999,  dilutive  potential common shares of 1,140,535  relating to stock
     options were not included in the computation of diluted  earnings per share
     since all options  outstanding  have an exercise  price greater than market
     value. In 1998,  dilutive  potential  common shares of 722,443  relating to
     stock options were not included in the computation of diluted  earnings per
     share since their effect would be antidilutive. In 1997, dilutive potential
     common  shares  included in the  calculation  of earnings per share related
     solely to the dilutive impact of stock options.

(G)  FINANCIAL INSTRUMENTS

Financial  instruments which potentially expose the Company to concentrations of
credit risk consist  primarily  of cash and cash  equivalents,  U.S.  Government
securities and accounts receivable. The Company maintains its cash balances with
several major financial institutions thus limiting the amount of credit exposure
to any one financial  institution.  The Company invests all excess cash balances
in U.S. Government treasury securities and repurchase agreements. Concentrations
of credit risk with  respect to trade  receivables  are limited due to the large
number of engineering and construction clients comprising the Company's customer
base and their dispersion  across different  business and geographic areas. Most
contracts  require payments as the projects progress or in certain cases advance
payments.  Consistent with industry  practices,  the Company  generally does not
require  collateral,  but in most cases can place liens  against  the  property,
plant or  equipment  constructed  if a default  occurs.  The  Company  maintains
adequate  reserves for potential  credit losses and such losses have been within
management's estimates.

The Company had several foreign exchange forward contracts at December 31, 1999.
These contracts had varying  maturities  through May 2001. At December 31, 1999,
the  notional  amount of foreign  exchange  forward  contracts  outstanding  was
$2,185.  The fair  value and  unrealized  loss on these  contracts  was $659 and
$(118), respectively, at December 31, 1999.

The Company and its subsidiaries have entered into other financial agreements in
the normal course of business.  These agreements,  which by their nature contain
potential risk of loss, include lines of credit, letters of credit,  performance
bonds  and  performance  guarantees.  The fair  values of these  agreements  are
estimated  at $1,832 and $1,225 at  December  31,  1999 and 1998,  respectively,
based on the fees paid to obtain the obligations.

(H)  FIXED ASSETS

Following is a summary of fixed assets at December 31:

                                                    1999           1998
- --------------------------------------------------------------------------------
Office buildings and other real estate            $ 43,450       $101,472
Furniture and equipment                            132,669        167,160
Cold storage property, plant and equipment         140,763        141,482
- --------------------------------------------------------------------------------
                                                   316,882        410,114
Less:  Accumulated depreciation and
         amortization                              132,937        190,957
- --------------------------------------------------------------------------------
                                                  $183,945       $219,157
Less:  Fixed assets of discontinued
         operation, net                            110,108              -
- -------------------------------------------------------------------------------
Fixed assets, net                                 $ 73,837       $219,157
- --------------------------------------------------------------------------------

Fixed  assets  include  computer  equipment  under  capital  leases of $1,548 at
December 31, 1999 and $2,817 at December 31, 1998;  related amounts  included in
accumulated  amortization  were $185 at December 31, 1999 and $1,899 at December
31, 1998. Total depreciation  expense was $22,138 for 1999, $23,567 for 1998 and
$12,018 for 1997.  In 1998,  the Company  wrote down the value of various  fixed
assets,  primarily computer equipment,  to recognize that little, if any, future
benefit will be obtained  from these assets,  and revised its  estimated  useful
life for computer  equipment from six to three years.  The amounts  incurred for
these  charges  were  $3,752  ($2,261  after tax or $0.18 per  share) and $2,615
($1,577 after tax or $0.12 per share), respectively.

(I)  BANK LOANS AND LIQUIDITY

During 1999, the Company  expanded and extended its principal credit facility to
$260,000 with an expiration date of May 31, 2000.  This facility  provided up to
$160,000 in direct  borrowings  for  operating  funds and $100,000 in letters of
credit. In December 1999, the Company fully utilized the $160,000  available for
direct borrowings, and upon the sale of its Boston headquarters building, repaid
$140,000  permanently  reducing  the amount  available  under this  facility  to
$120,000.  As of December 31, 1999, the entire $20,000 in direct  borrowings was
fully  utilized  and  $88,200 of letters of credit were  outstanding  out of the
$100,000  available.  In addition,  at December  31, 1999,  $7,200 of letters of
credit were  outstanding  under  other bank  arrangements.  The total  available
amount for  issuance of letters of credit was $11,800 as of December  31,  1999.

The Company has experienced  recurring  operating losses and liquidity  problems
during the past year. To address these  issues,  on April 14, 2000,  the Company
completed  negotiations  and entered into an agreement with its current  lending
group to extend the credit  facility to January  31,  2001.  The amended  credit
facility  contains  certain  quarterly  financial  covenants and stipulates that
proceeds from the sale of the  discontinued  operation will be used to repay the
outstanding  direct  borrowings and to provide  support to the lending group for
the Company's outstanding letters of credit. The remaining proceeds will be used
to enhance the Company's  working capital  position.  The credit  agreement also
requires  the Company to deposit  with the  lending  group $ 5,000 per month for
three months beginning in October 2000, as additional  support for the Company's
letters of credit.

At December 31, 1998,  the Company had three  separate  domestic  line of credit
agreements totaling $105,000 which were fully utilized.  In addition the Company
had a line of credit in the amount of $30,000,  against which no amount had been
or was allowed to be borrowed.  The Company also assumed a $2,000 line of credit
through an acquisition in the third quarter of 1998.  Borrowings under this line
of credit amounted to $1,350 as of December 31, 1998.

The weighted  average interest rate was 9.5 percent and 6.17 percent at December
31, 1999 and 1998,  respectively.  Borrowings under the agreements were used for
general corporate purposes and to fund the 1998 acquisition of The Nordic Group.
Outstanding borrowings incur interest based on the prime rate plus an additional
margin.

In addition to the domestic lines of credit,  two international  subsidiaries of
the Company  have  overdraft  banking  facilities  of $8,376  which are used for
general  corporate  purposes.  The overdraft  banking  facilities incur interest
based on the prime rate. At December 31, 1999,  $2,793 was outstanding under the
lines of credit.  At December 31, 1998,  no amounts were  outstanding  under the
overdraft  banking  facilities.  (See  Note  L  to  the  consolidated  financial
statements for guarantees of affiliated obligations.)

(J)  ACCRUED LIABILITIES

Accrued liabilities consist of the following at December 31:

                                                    1999           1998
- --------------------------------------------------------------------------------
Salaries and benefits                             $17,235        $17,032
Insurance accruals and premiums                    18,946         18,859
Reserve for joint venture activity                  9,977         20,996
Accrued professional fees                          13,515          6,818
Other                                              16,939         16,331
- --------------------------------------------------------------------------------
Total accrued liabilities                         $76,612        $80,036
- --------------------------------------------------------------------------------

In 1999, the Company utilized $6,926 of the reserve for a joint venture contract
loss in connection  with a contract  being  executed by a partially  owned joint
venture in the Middle East,  and an  additional  $4,093 of the reserve for other
joint venture activity.

(K)  LONG-TERM DEBT

Long-term debt consists of the following at December 31:

                                                    1998           1997
- --------------------------------------------------------------------------------
Mortgage loans, due 2009, 6.44%                   $20,727        $22,355
Mortgage loans, due 2007, 7.65%                         -            693
Mortgage loans, due 2004, 7.91%                         -            874
Loan payable, other                                   211            275
Capitalized lease obligations                       1,356            206
- --------------------------------------------------------------------------------
                                                   22,294         24,403
- --------------------------------------------------------------------------------
Less current portion                                2,344          2,175
- --------------------------------------------------------------------------------
Total long-term debt                              $19,950        $22,228
- --------------------------------------------------------------------------------

The 6.44  percent  mortgage  loan  due in 2009 is  collateralized  by an  office
building  and other real  estate with a net book value of $25,144 and $25,833 at
December 31, 1999 and 1998,  respectively,  which  approximates fair values. The
7.65  percent and 7.91  percent  mortgage  loans were  repaid in July 1999.  The
Company  assumed the liability of three loans payable  through an acquisition in
1998.  These loans are with a former  stockholder  of the subsidiary and are due
through 2005 at interest  rates ranging from 6.75 percent to 9.00  percent.  One
loan payable relates to a stock repurchase, which is collateralized by an office
building with a net book value of $1,775. The remaining two loans are related to
deferred compensation agreements, and are unsecured.

Principal  payments  required on long-term debt consist of the following for the
years ended December 31:

        2000                                                  $  2,344
        2001                                                     2,407
        2002                                                     2,286
        2003                                                     2,133
        2004                                                     2,306
        Thereafter                                              10,818
- --------------------------------------------------------------------------------
        Total                                                 $ 22,294
- --------------------------------------------------------------------------------

(L)  COMMITMENTS AND CONTINGENCIES

In the normal course of executing lump sum turnkey engineering,  procurement and
construction  contracts,  the Company may enter into  purchase  commitments  for
equipment,  material and services  that,  depending  on the  circumstances,  may
require payment of cancellation costs in the event of contract  termination.  It
is the  Company's  policy to negotiate  termination  and  suspension  clauses in
contracts  providing  for  reimbursement  to  the  Company  for  all  reasonable
cancellation costs associated with a project termination or cancellation. In the
event that the  contracting  party is unable to  fulfill  their  commitment  for
reimbursement,  the  Company  could be liable to its  suppliers  for  payment of
cancellation costs.

In connection with the sale of its corporate  headquarters building in 1999, the
Company  entered into a lease  agreement which extends no later than March 2002,
for office space it occupied  prior to the sale.  The lease is cancelable at the
Company's option based upon the terms of the agreement.  The Company also leases
other office space,  computer  equipment and office equipment with varying lease
terms.  All  noncancelable  leases have been  categorized  as either  capital or
operating.  The Company pays  property  taxes,  insurance  and  maintenance  and
expenses  related to the leased  properties  under  most  leasing  arrangements.
Rental expense was $3,288 in 1999, $3,600 in 1998 and $4,710 in 1997.

Future minimum lease payments under long-term leases as of December 31, 1999 are
as follows:

                                              Capital      Operating
                                               Leases       Leases
- --------------------------------------------------------------------------------
2000                                         $  587         $17,571
2001                                            587          12,577
2002                                            349           8,826
2003                                              -           6,081
2004                                              -           5,895
2005 and thereafter                               -           8,343
- --------------------------------------------------------------------------------
Total minimum lease payments                  1,523          59,293
- --------------------------------------------------------------------------------
Amount representing interest                    167
- --------------------------------------------------------------------------------
Present value of minimum lease payments      $1,356
- --------------------------------------------------------------------------------
Less rental and sublease income                               8,103
- --------------------------------------------------------------------------------
Total                                                       $51,190
- --------------------------------------------------------------------------------

The current portion of the present value of the minimum lease  obligations under
capital leases as of December 31, 1999 amounted to $538.

The Company and certain  subsidiaries have been named as defendants,  along with
others,  in legal actions  claiming  damages in connection with  engineering and
construction  projects and other matters.  Most such actions  involve claims for
personal  injury or property  damage which occur from time to time in connection
with services  performed relating to project or construction sites and for which
coverage under  appropriate  insurance  polices usually  applies.  Other actions
arising in the normal course of business include  employment-related  claims and
contractual  claims  for which  insurance  coverage  or  contractual  provisions
limiting the Company's liability may or may not apply. Such contractual disputes
normally involve claims relating to the performance of equipment design or other
engineering services or project  construction  services provided by subsidiaries
of the Company and often such matters may be resolved  without  going  through a
complete and lengthy litigation process.

In 1996, the Company  entered into a contract with  Trans-Pacific  Petrochemical
Indotama  ("TPPI") of Indonesia for  construction of an integrated  ethylene and
olefins complex for $2.3 billion, to be executed by a consortium of contractors.
The Company's  portion of the total contract  value was $710,000.  In the fourth
quarter of 1997,  work on the project  was  suspended,  and  remains  suspended,
pending  resolution of financing issues by the client.  The Company has obtained
approval to resell or use committed  materials and procured  equipment to reduce
costs of project  suspension.  The Company has also had substantive  discussions
with potential purchasers of the olefins plant which constitutes the majority of
the Company's  scope for the project.  Had the TPPI project been cancelled as of
December  31,  1999,  and if resale of the  olefins  plant were  unlikely  to be
completed,  the Company  would have recorded a pre-tax  charge of  approximately
$76,800   representing   project  working   capital  plus  current   procurement
commitments  net of the  estimated  salvage  value  of  procured  equipment  and
materials.  On a similar  basis,  the pre-tax  charge would have been $72,400 in
1998.  The TPPI  project is included in the  Company's  backlog in the amount of
$398,000 and $451,000 respectively, at December 31, 1999 and 1998.

The Company was engaged in certain  international  projects that incurred losses
totaling  $74,200 in 1999 and  $42,900  in 1998.  One of these  projects  is now
finished  and  another  is in the final  stages of  completion.  Due to  various
factors,  including owner-directed technical and schedule changes,  increases in
scope of the  currently  authorized  contracts  and other  factors,  the cost to
complete  these  contracts has  significantly  exceeded each  contract's  value.
Management  believes that it has valid  contractual  and  equitable  grounds for
change orders  providing  additional  compensation  under these  contracts.  The
Company has or expects to submit  claims  greater than losses  incurred to date.
The  Company  recognized  approximately  $35,000  in  revenue in 1998 for change
orders that have not yet  received  client  approval.  These  change  orders are
included in the claims and, in  management's  judgment,  reflect a  conservative
estimate of the probable amount to be realized.

In 1999,  a  provision  of  $10,400 on three  domestic  lump sum  contracts  was
recorded to reflect increases in the estimated costs to complete.  Additionally,
while the  Company  was working to improve  its  liquidity  position,  delays in
payments to vendors adversely impacted delivery of vendor materials and services
and,  consequently,  job scheduling and sequencing  were affected.  As a result,
provisions of $38,000 on certain projects, including the three domestic lump sum
contracts,  were established for additional  expenditures to accelerate  certain
projects and for increased anticipated costs to complete other projects.

A joint  venture,  in which the  Company is a 50 percent  owner,  has  submitted
claims  to  recover   approximately   $115,000  in  connection  with  scope  and
specification  changes on a major petrochemical  project in the Middle East. The
joint venture has been  notified of claims in of  approximately  $62,000,  which
have  been  submitted  by  a  subcontractor   who  has  filed  for  arbitration.
Substantially all of the subcontractor's claims have been included in the claims
submitted by the joint venture to its client.  The Company believes that current
reserves are adequate to cover these claims, and has not recognized any contract
revenue  in  anticipation  of  recovery  on its  claims.  In 1997,  the  Company
recognized losses of $25,781 related to this contract.

The Company  continues to have potential  liabilities  related to  environmental
pollution.  The Company and two of its  subsidiaries  are named as defendants in
two legal  actions  brought by, and have  received  other claims  from,  private
parties  seeking   contributions  for  costs  incurred  or  to  be  incurred  in
remediation  of sites under the Federal  Comprehensive  Environmental  Response,
Compensation  and  Liability  Act and  similar  state  statutes.  No  government
authority  has sought  similar  redress  from the  Company  or its  subsidiaries
(except in the case of one  subsidiary  in limited  connection  with claims made
with respect to clients of that  subsidiary) nor has the Company been determined
to be a  Potentially  Responsible  Party by the  Federal  or any  state or local
government  authority,  although some information has been requested with regard
to environmental  matters.  Based on presently known facts and existing laws and
regulations,  management  believes  that it has  valid  legal  defenses  to such
actions and that the costs associated with such matters,  including legal costs,
should be mitigated by the presence of other  entities  which may be Potentially
Responsible Parties, by contractual indemnities, and by insurance coverage.

Management believes,  on the basis of its examination and consideration of these
matters and such possible liabilities, including consultation with counsel, that
none of these  legal  actions,  nor such  possible  liabilities,  will result in
payment of amounts,  if any,  which would have a material  adverse effect on the
consolidated financial statements.

The Company liquidated its investment in the Binghamton Cogeneration Partnership
in 1997.  Under the liquidation  agreement the Company was required to provide a
standby letter of credit in the amount of $6,000 to collateralize its obligation
under an indemnity agreement among the parties to the liquidation agreement. The
Company is required to maintain this letter of credit through January 2003.

At December 31, 1999, subsidiaries of the Company have contingent liabilities of
$8,350  arising  from  guarantees  to banks for credit  facilities  extended  to
unconsolidated affiliates for general operating purposes.

(M)  COMMON STOCK

In 1996,  the Board of Directors of the Company  approved a  Shareholder  Rights
Plan and declared a dividend of one preferred share purchase right ("Right") for
each  outstanding  share of common  stock.  Each  Right  entitles  the holder to
purchase  from the  Company  one  one-hundredth  of a share  of  Series A Junior
Participating  Preferred  Stock  of the  Company  at a  price  of  $125  per one
one-hundredth of a Preferred Share,  subject to adjustment  ("Purchase  Price").
The  description  and terms of the  Rights  are set forth in a Rights  Agreement
dated as of August 15,  1996.  The Rights  will expire on August 15, 2006 unless
extended or unless the Rights are earlier redeemed or exchanged by the Company.

The Rights are not exercisable  (unless waived by the Board of Directors)  until
the  earlier to occur of: (i) 10 days  following  a public  announcement  that a
person or group of affiliated or associated  persons  ("Acquiring  Person") have
acquired beneficial ownership of 15 percent or more of the outstanding shares of
common  stock or (ii) 10 business  days (or such later date decided by the Board
of Directors)  following the commencement of, or announcement of an intention to
make, a tender offer or exchange offer for 15 percent or more of the outstanding
shares of common stock.  In such event,  each holder (other than such  Acquiring
Person)  of a Right will have the right to receive  upon  exercise  of the Right
that  number of shares of common  stock  having a market  value of two times the
Purchase  Price. In the event that the Company is acquired or 50 percent or more
of its assets are sold after a person or group has become an  Acquiring  Person,
each holder of a Right,  upon exercise  thereof,  will have the right to receive
that number of shares of common stock of the acquiring company which will have a
market value of two times the then Purchase Price.

(N)  TREASURY STOCK

In January 1998,  the Board of Directors of the Company  approved an increase in
the share repurchase program  originally  authorized in July 1994 from 2,500,000
to 3,000,000 shares of the Company's common stock in open market transactions at
prevailing  prices. The Company reserves the right to discontinue the repurchase
program at any time. The Company acquired 43,217 shares in 1998 and no shares in
1999 under the repurchase  program.  Through  December 31, 1999, the Company has
repurchased 2,279,626 shares.

In 1999,  the  Employee  Retirement  Plan of Stone & Webster,  Incorporated  and
Participating  Subsidiaries  (the  "Retirement  Plan"),  the Company's  domestic
defined  benefit plan, and the Trust  Agreement  under the Retirement  Plan were
amended to permit the  investment  of a portion of the assets of the  Retirement
Plan in common  stock or other  qualifying  securities  issued  by the  Company,
provided  that  such  investment  is in  compliance  with  and  subject  to  the
limitations of the Employee  Retirement Income Security Act of 1974, as amended,
and  other  applicable  laws.  The Board of  Directors  has  directed  that such
investment  be made in an orderly  manner from time to time in  accordance  with
investment guidelines and objectives established by the Board.

On December 14, 1999, the Company sold 1,000,000 shares of its common stock from
treasury shares to the Retirement Plan for a per share price of $15.35.

(O)  EMPLOYEE STOCK OWNERSHIP PLAN

Under the terms of the Employee Stock  Ownership Plan (the "ESOP"),  the Company
makes  contributions  to the Employee Stock  Ownership Trust (the "Trust") which
can  acquire  from the  Company up to  5,000,000  shares of common  stock of the
Company, for the exclusive benefit of participating employees.

Notes  receivable from the Trust,  received as  consideration by the Company for
the  1,600,000  shares of common  stock sold to the Trust in 1980 and 1985,  are
payable in level  payments of principal and interest over 20 years.  At December
31, 1999, the balance of the notes  receivable  from the Trust was $13,301.  The
unamortized cost of the shares is being funded by annual contributions necessary
to enable the Trust to meet its current  obligations,  after taking into account
dividends  received on the common  stock held by the Trust.  The net cost of the
ESOP is being  amortized  over 20-year  periods from the dates of acquisition of
shares.  The charge to income  was $1,153 in 1999,  $1,156 in 1998 and $1,160 in
1997. The accrued cost of the ESOP,  included in other  liabilities,  was $6,092
and $7,741 at December 31, 1999 and 1998, respectively.

(P)  STOCK COMPENSATION PLANS

The Company  has a long-term  incentive  compensation  plan under which  outside
directors and certain  employees  receive  stock options and other  equity-based
awards.  The plan provides for the grant of  nonqualified  and  incentive  stock
options,  performance  shares and units, and restricted stock awards.  The total
number of shares  reserved  for  issuance  under the plan is 980,777 and no more
than 300,000 shares may be granted in the form of restricted stock. Nonqualified
stock options to purchase 1,000 shares are granted to each nonemployee  director
on an annual basis.  In addition,  nonqualified  stock options to purchase 2,000
shares  are  granted to each  nonemployee  director  upon  initial  election  or
appointment  to the Board of  Directors.  Awards  which have been  cancelled  or
forfeited under the current plan become available for future awards.

In 1999, 9,000 nonqualified stock options were granted to nonemployee  directors
and 448,000  options were granted to certain  employees.  All options awarded to
nonemployee directors become exercisable six months after the date of grant. The
options granted to employees  generally  become  exercisable over four years and
remain exercisable for 10 years from the date of award or upon cancellation.  Of
the options  granted to  employees,  128,085 were  incentive  stock  options and
319,915 were nonqualified stock options.

A summary of the Company's stock option  activity,  and related  information for
the years ended December 31 is as follows:

<TABLE>
<S>                      <C>        <C>          <C>        <C>          <C>        <C>

                                1999                    1998                    1997
- ---------------------------------------------------------------------------------------------
                                    Weighted-               Weighted-               Weighted-
                                    Average                 Average                 Average
                                    Exercise                Exercise                Exercise
                         Options    Price        Options    Price        Options    Price
- ---------------------------------------------------------------------------------------------
Outstanding at
  beginning of year      840,750    $37.63       656,500    $35.05       471,000    $32.98
Granted                  457,000     28.46       266,500     43.08       264,000     37.89
Exercised                      -         -        21,250     32.70        63,500     32.20
Canceled                 116,750     37.80        61,000     35.44        15,000     32.34
Outstanding at end
  of year              1,181,000     34.06       840,750     37.63       656,500     35.05
Exercisable at end
  of year                661,459     35.43       338,625     34.49       186,370     34.27
- ---------------------------------------------------------------------------------------------
Weighted-average                    $10.10                  $11.91                  $10.30
  fair value of
  options granted
  during the year
- ---------------------------------------------------------------------------------------------
</TABLE>

The following table summarizes  information  about stock options  outstanding at
December 31, 1999:

                                        Weighted Average
                                     Remaining Contractual
Exercise Price Range      Shares          Life (Years)        Shares Exercisable
- --------------------------------------------------------------------------------
   $24.38 - $26.94        215,000             9.4                        -
   $30.25 - $34.88        546,750             7.4                  431,709
   $36.00 - $41.25        186,500             7.3                  121,000
   $42.63 - $47.13        232,750             8.3                  108,750
- --------------------------------------------------------------------------------
                        1,181,000             7.9                  661,459
- --------------------------------------------------------------------------------

The Company complies with the pro forma disclosure  requirements of Statement of
Financial Accounting Standards No. 123, Accounting for Stock-Based  Compensation
("SFAS  123").  As  prescribed  in SFAS 123,  the fair value of the  options was
estimated at the date of grant using a  Black-Scholes  option pricing model with
the   following   weighted-average   assumptions   for  1999,   1998  and  1997,
respectively:  risk-free  interest rates of 4.99 percent,  5.66 percent and 6.67
percent; dividend yields of 1.6 percent, 1.4 percent and 1.6 percent; volatility
factors of the expected market price of the Company's common stock of .377, .237
and .210; and an expected life of the option of 5 years.

For purposes of pro forma  disclosures,  the estimated fair value of the options
is amortized to expense over the options' vesting period. Had compensation costs
for the  Company's  stock option plan awards been  determined  based on the fair
value at the date of grant,  consistent  with the  provisions  of SFAS 123,  the
Company's  net income  and  earnings  per share  would have been as shown in the
following table:

                                               1999          1998         1997
- --------------------------------------------------------------------------------
As reported net income (loss)                $20,472      $(49,302)     $33,510
As reported net income (loss) per share        $1.56        $(3.83)       $2.59
Pro forma net income (loss)                  $18,359      $(50,383)     $32,803
- --------------------------------------------------------------------------------
Pro forma net income (loss) per share          $1.40        $(3.91)       $2.54
- --------------------------------------------------------------------------------

Restricted  stock awards made from treasury  stock were 134,792  shares in 1999,
2,224 shares during 1998 and 690 shares in 1997. The weighted-average grant date
fair value of these  awards  was  $18.08,  $39.78 and $36.25 for 1999,  1998 and
1997,  respectively.  The market value of the shares awarded is being charged to
income over the vesting  period.  Of the 137,706 shares awarded during the three
years ended  December 31, 1999,  no shares were  forfeited  and the  unamortized
portion  of the  market  value  of the  shares  was  $2,140.  Compensation  cost
recognized in income (loss) for these shares  totaled  $483.5,  $87.0 and $219.0
for 1999, 1998 and 1997, respectively.

The  Company  has a stock  plan  for  nonemployee  directors  under  which  such
directors  receive an annual stock grant of 400 shares,  payable  quarterly,  as
part of their  annual  retainer,  and may elect to  receive  all or a portion of
director  fees in shares of common  stock.  The Company  also has a  Nonemployee
Director  Deferral Plan under which any nonemployee  Director may elect to defer
all or a portion of their annual  retainer,  meeting fees, or other fees paid in
connection  with their Board service to a Cash Deferral  Account or a Stock Unit
Account.  During 1999,  1998, and 1997,  respectively  6,385,  5,104,  and 5,310
shares were earned and 2,346, 1,595, and 0 shares were deferred.

(Q)  RETIREMENT PLANS

The Company and its domestic subsidiaries have a noncontributory defined benefit
plan covering  executive,  administrative,  technical and other  employees.  The
benefits of this plan are based  primarily  on years of service  and  employees'
career  average pay. The  Company's  policy is to make  contributions  which are
equal to current year cost plus  amortization  of prior service cost,  except as
limited by full funding restrictions.  Plan assets consist principally of common
stocks, bonds and U.S. Government obligations.

The Company's  international  subsidiaries in the United Kingdom and Canada have
defined benefit plans covering  executive,  administrative,  technical and other
employees. The U.K. plan is contributory and the benefits are based primarily on
years of service  and  employees'  average  pay  during  their last ten years of
service. The Canada plan is noncontributory and the benefits are based primarily
on years of service and employees'  career average pay. The Company's  policy is
to make contributions which are equal to the current year cost plus amortization
of prior  service cost.  Plan assets  consist  principally  of common stocks and
bonds.

Information about the Company's pension plans is as follows:

December 31, 1999                        Domestic     International      Total
- --------------------------------------------------------------------------------
Changes in benefit obligation
Benefit obligation, beginning of year    $527,122        $56,804       $583,926
Service cost                                8,373          2,447         10,820
Interest cost                              34,728          3,443         38,171
Employee contributions                          -            702            702
Actuarial (gain) loss                     (82,120)          (467)       (82,587)
Special termination benefits               12,714              -         12,714
Benefits paid                             (28,972)        (2,737)       (31,709)
Foreign currency impact                         -         (1,040)        (1,040)
- --------------------------------------------------------------------------------
Benefit obligation, end of year          $471,845        $59,152       $530,997
- --------------------------------------------------------------------------------

Change in plan assets
Fair value of plan assets, beginning
  of year                                $711,954        $54,439       $766,393
Actual return on plan assets               38,050          8,480         46,530
Contribution                                    -          2,994          2,994
Benefits paid                             (28,972)        (2,737)       (31,709)
Foreign currency impact                         -           (912)          (912)
- --------------------------------------------------------------------------------
Fair value of plan assets, end of year   $721,032        $62,264       $783,296
- --------------------------------------------------------------------------------
Funded status                            $249,187        $ 3,112       $252,299
Fourth quarter contribution                     -            516            516
Unrecognized prior service cost             6,458            308          6,766
Unrecognized net (gain) loss              (98,556)         1,306        (97,250)
Unrecognized net transition asset               -         (1,170)        (1,170)
- --------------------------------------------------------------------------------
Prepaid pension cost                     $157,089        $ 4,072       $161,161
- --------------------------------------------------------------------------------

Prepaid pension cost, beginning of
  year                                   $155,703        $ 2,794       $158,497
(Expense) income for year                  14,488         (1,004)        13,484
Contributions                                   -          2,458          2,458
Foreign currency impact                         -           (176)          (176)
Curtailment loss                                -              -              -
Prior service cost recognition               (388)             -           (388)
Special termination benefit               (12,714)             -        (12,714)
- --------------------------------------------------------------------------------
Prepaid pension cost                     $157,089        $ 4,072       $161,161
- --------------------------------------------------------------------------------

December 31, 1998                        Domestic     International      Total
- --------------------------------------------------------------------------------
Changes in benefit obligation
Benefit obligation, beginning of year    $480,138        $53,351       $533,489
Service cost                                8,547          1,826         10,373
Interest cost                              32,700          3,591         36,291
Employee contributions                          -            557            557
Actuarial loss                             18,191          2,122         20,313
Special termination benefits               11,552              -         11,552
Curtailment loss                            1,265            185          1,450
Settlements                                     -         (1,937)        (1,937)
Benefits paid                             (25,271)        (2,261)       (27,532)
Foreign currency impact                         -           (630)          (630)
- --------------------------------------------------------------------------------
Benefit obligation, end of year          $527,122        $56,804       $583,926
- --------------------------------------------------------------------------------

Change in plan assets
Fair value of plan assets, beginning
  of year                                $684,655        $56,727       $741,382
Actual return on plan assets               52,570          1,109         53,679
Contribution                                    -          2,066          2,066
Defined contribution plan
  contribution payment                          -           (341)          (341)
Settlements                                     -         (1,937)        (1,937)
Expenses                                        -           (182)          (182)
Benefits paid                             (25,271)        (2,261)       (27,532)
Foreign currency impact                         -           (742)          (742)
- --------------------------------------------------------------------------------
Fair value of plan assets, end of
  year                                   $711,954        $54,439       $766,393
- --------------------------------------------------------------------------------

Funded status                            $184,832        $(2,365)      $182,467
Fourth quarter contribution                     -            503            503
Unrecognized prior service cost             8,576            355          8,931
Unrecognized net (gain) loss              (37,668)         5,780        (31,888)
Unrecognized net transition asset             (37)        (1,479)        (1,516)
- --------------------------------------------------------------------------------
Prepaid pension cost                     $155,703        $ 2,794       $158,497
- --------------------------------------------------------------------------------

Prepaid pension cost, beginning of
  year                                   $148,155        $   898       $149,053
(Expense) income for year                  20,677           (203)        20,474
Contributions                                   -          2,012          2,012
Foreign currency impact                         -             87             87
Curtailment loss                           (1,265)             -         (1,265)
Prior service cost recognition               (312)             -           (312)
Special termination benefit               (11,552)             -        (11,552)
- --------------------------------------------------------------------------------
Prepaid pension cost                     $155,703        $ 2,794       $158,497
- --------------------------------------------------------------------------------

Domestic  prepaid pension cost is separately  captioned in the balance sheet and
is included in long-term assets.  The plan's funded status as of any measurement
date is based on  prevailing  market  conditions  as to  discount  rate and plan
assets,  and  accordingly,  is  subject to  volatility.  The  projected  benefit
obligation  was  determined  using  assumed  discount  rates of 8.0  percent  at
December  31,  1999 and of 6.75  percent  at  December  31,  1998 and an assumed
long-term rate of compensation increase of 4.50 percent at December 31, 1999 and
1998.  Pension cost was determined using an assumed  long-term rate of return on
plan assets of 9.25 percent at January 1, 1999, 1998 and 1997.

Net international  prepaid pension cost is included in the consolidated  balance
sheets in other long-term assets. The plans' funded status as of any measurement
date is based on  prevailing  market  conditions  as to  discount  rate and plan
assets,  and  accordingly,  is  subject to  volatility.  The  projected  benefit
obligation was determined using an assumed  weighted  discount rate ranging from
6.5 percent to 7.0  percent at December  31, 1999 and 6.0 percent to 8.0 percent
at December 31, 1998, and assumed  long-term rates of compensation  increases of
4.75 percent to 5.0 percent at December 31, 1999 and December 31, 1998.  Pension
cost was  determined  using  assumed  long-term  rates of return on plan  assets
ranging from 8.0 percent to 8.75 percent for 1999, 1998 and 1997.

The components of net pension (income) expense are as follows:

1999                                     Domestic     International      Total
- --------------------------------------------------------------------------------
Service cost                             $  8,373        $ 2,447       $ 10,820
Interest cost on projected benefit
  obligation                               34,728          3,443         38,171
Expected return on assets                 (59,283)        (5,108)       (64,391)
Amortization of unrecognized
  transition asset                            (37)          (281)          (318)
Amortization of unrecognized prior
  service cost                              1,731             59          1,790
Prior service cost recognition                388              -            388
Defined contribution expense                    -            444            444
Special termination benefit                12,714              -         12,714
- --------------------------------------------------------------------------------
Pension expense (income)                 $ (1,386)       $ 1,004       $   (382)
- --------------------------------------------------------------------------------

1998                                     Domestic     International      Total
- --------------------------------------------------------------------------------
Service cost                             $  8,547        $ 1,826       $ 10,373
Interest cost on projected benefit
  obligation                               32,700          3,591         36,291
Expected return on assets                 (53,922)        (4,655)       (58,577)
Amortization of unrecognized
  transition asset                         (9,795)          (299)       (10,094)
Amortization of unrecognized prior
  service cost                              1,793             68          1,861
Curtailment loss (gain)                     1,265           (309)           956
Prior service cost recognition                312           (360)           (48)
Defined contribution expense                    -            341            341
Special termination benefit                11,552              -         11,552
- --------------------------------------------------------------------------------
Pension expense (income)                 $ (7,548)       $   203       $ (7,345)
- --------------------------------------------------------------------------------

1997                                     Domestic     International      Total
- --------------------------------------------------------------------------------
Service cost                             $  6,995        $ 2,044       $  9,039
Interest cost on projected benefit
  obligation                               31,924          3,886         35,810
Expected return on assets                 (48,850)        (4,336)       (53,186)
Amortization of unrecognized
  transition asset                        (10,199)          (312)       (10,511)
Amortization of unrecognized prior
  service cost                              1,793             31          1,824
Prior service cost recognition                  -            (75)           (75)
- --------------------------------------------------------------------------------
Pension expense (income)                 $(18,337)       $ 1,238       $(17,099)
- --------------------------------------------------------------------------------

In the fourth quarters of 1999 and 1998, voluntary Incentive Retirement programs
were  offered  to  approximately  230 and  600  employees,  respectively.  These
programs were accepted by 164 employees at a total cost of $13,102 ($7,861 after
tax or $0.60 per share) in 1999 and by 206  employees at a total cost of $13,129
($7,943 after tax, or $0.61 per share) in 1998. The charges reduced the domestic
pension asset in both 1999 and 1998.

Fluctuations  in the actual return on plan assets  reflect  fluctuations  in the
market  prices  of equity  securities  as well as debt  securities  owned by the
pension plan.

The  Company  maintains  an  Employee   Investment  Plan  ("EIP")  which  covers
substantially  all U.S. based full time  employees who meet certain  eligibility
requirements.  The EIP  allows  employee  participants  an  election  to defer a
percentage of their  compensation  up to the  limitations  as  determined  under
federal law. In addition,  the Company contributes a matching amount equal to 25
percent  of the  employees'  elective  deferral  to the plan,  up to the first 5
percent of the employees' annual compensation. The Company, at the discretion of
the Board of Directors,  may make  discretionary  contributions to the plan. For
the years ended  December 31,  1999,  1998 and 1997,  the Company made  matching
contributions of $2,027, $2,334, and $2,461, respectively.

(R)  GEOGRAPHIC REGIONS AND INTERNATIONAL SUBSIDIARIES

The Company has one principal  business segment:  Engineering,  Construction and
Consulting,  which is reported as continuing  operations.  The Company's  Nordic
Refrigerated  Services  business unit (Nordic)  previously  reported as the cold
storage segment is now reported as a discontinued operation.

Geographic information for continuing operations is as follows:

                                          1999           1998           1997
- --------------------------------------------------------------------------------
Revenue
  United States - Domestic             $  810,077     $  483,332     $  635,685
  United States - Export (1)              197,869        274,490        396,194
- --------------------------------------------------------------------------------
United States - Total                  $1,007,946     $  757,822     $1,031,879
- --------------------------------------------------------------------------------
  International                           159,902        456,646        267,341
- --------------------------------------------------------------------------------
Total revenue                          $1,167,848     $1,214,468     $1,299,220
- --------------------------------------------------------------------------------
Operating income (loss) (2)
  United States                        $  (81,951)    $  (85,375)    $   20,655
  International                           (33,073)         4,351         19,297
- --------------------------------------------------------------------------------
Operating income (loss)                $ (115,024)    $  (81,024)    $   39,952
- --------------------------------------------------------------------------------
Long lived assets
  United States                        $  266,499     $  293,985     $  260,171
  International                            13,796         15,752         14,079
- --------------------------------------------------------------------------------
Total long lived assets                $  280,295     $  309,737     $  274,250
- --------------------------------------------------------------------------------

(1)  Includes  Far  East/Pacific  geographic  area,  including  Indonesia  which
     accounted for 8 percent of consolidated revenue in 1999, 10 percent in 1998
     and 13 percent in 1997. No other  international  geographic  area accounted
     for more than 10 percent of consolidated revenue in 1999, 1998 or 1997. Far
     East/Pacific revenue was $131,386,  $157,870 and $246,743 in 1999, 1998 and
     1997,  respectively.
(2)  Pension related items include the effect of incentive  retirement programs.
     Domestic and international pension related items are presented in Note Q to
     the consolidated  financial  statements.  Income from pension related items
     for continuing  operations was $542 in 1999,  $7,458 in 1998 and $17,200 in
     1997.

Net income (loss) and assets, net of liabilities,  of international subsidiaries
amounted to $(34,029) and $(4,862) in 1999, $925 and $32,486 in 1998 and $16,308
and $35,248 in 1997, respectively.


<PAGE>
<TABLE>

SELECTED FINANCIAL DATA
(Dollars in thousands, except per share amounts.)
- -------------------------------------------------------------------------------------------------
<S>                        <C>            <C>            <C>            <C>            <C>

                                                  Years ended December 31,
                              1999           1998           1997           1996          1995
- -------------------------------------------------------------------------------------------------
Revenue                    $1,167,848     $1,214,468     $1,299,220     $1,143,587     $981,631
Operating income (loss)
  from continuing
  operations (3)             (115,024)       (81,024)        39,952        (31,874)      27,258
Income (loss) from
  continuing operations
  (1, 2 and 3)                 15,336        (54,608)        29,151        (21,128)      10,008
Basic income (loss)
  from continuing
  operations per share          $1.17         $(4.24)         $2.27         $(1.60)       $0.70
Diluted income (loss)
  from continuing
  operations per share          $1.17         $(4.24)         $2.25         $(1.60)       $0.70
Dividends declared per
  share (4)                     $0.45         $ 0.60          $0.60         $ 0.45        $0.60
- -------------------------------------------------------------------------------------------------
Total assets               $  933,296     $  881,487     $  738,777     $  692,065     $716,772
- -------------------------------------------------------------------------------------------------
Long-term debt             $   19,950     $   22,228     $   22,510     $   24,260     $ 74,677
- -------------------------------------------------------------------------------------------------
</TABLE>

Notes:  (1)   Reflects  gain or loss on sale  of  assets,  which  increased  net
              income by $92,236,  or $7.03 per share in 1999,  $1,993,  or $0.15
              per share in 1998,  decreased  net income by $5,363,  or $0.41 per
              share in 1997,  and decreased  net income by $7,511,  or $0.52 per
              share in 1995.
        (2)   Includes income from divested  operations of $1,048,  or $0.08 per
              share in 1997, and an extraordinary  gain of $6,787,  or $0.52 per
              share in 1997 on debt  extinguishment  from transfer of Auburn VPS
              Partnership assets to the construction lenders.
        (3)   Income  (loss)  from  continuing  operations  in 1999  includes  a
              provision  for  contract  losses  of  $73,560  or $5.61  per share
              (operating income includes $122,600) and in 1998, $53,891 or $4.18
              per share (operating income includes $87,274).  Income (loss) from
              continuing  operations  also includes a write-down of fixed assets
              of $3,838 or $0.30 per share (operating income includes $6,367) in
              1998, a provision for the Company's  share of contract losses on a
              joint  venture in the Middle East of  $15,469,  or $1.20 per share
              (operating  income includes  $25,781) in 1998,  restructuring  and
              other  charges of $28,516,  or $2.14 per share  (operating  income
              includes  $54,424 for these items) in 1996,  a  write-down  of the
              Company's equity interest in Binghamton  Cogeneration  Partnership
              to fair  value in 1997 of $2,712,  or $0.21 per  share,  and costs
              associated  with the  Incentive  Retirement  Programs of $7,861 or
              $0.60 per share in 1999 and  $7,943 or $0.61 per share in 1998 and
              $1,416, or $0.10 per share in 1995.
        (4)   On October 26, 1999 and January 25,  2000,  the Board of Directors
              decided to forego the normal quarterly dividend of $0.15 per share
              due to the Company's  liquidity  needs.  In the fourth  quarter of
              1996, the Company changed the quarterly dividend  declaration date
              to the first month of the  quarter  from the month  preceding  the
              quarter;  this change had no effect on the annual dividend payment
              rate of $0.60  per  share,  although  dividends  declared  in 1996
              totaled $0.45 per share.

<PAGE>
QUARTERLY FINANCIAL DATA (UNAUDITED)
(Dollars in thousands, except per share amounts.)
- --------------------------------------------------------------------------------

<TABLE>
<S>                                  <C>          <C>          <C>          <C>          <C>

                                       First       Second       Third       Fourth
1999                                  Quarter      Quarter     Quarter      Quarter         Year
- -----------------------------------------------------------------------------------------------------
Revenue                              $254,656     $298,395     $286,071     $328,726     $1,167,848
Gross profit                          (52,627)      22,222        7,017      (21,743)       (45,131)
Operating income                      (69,353)       5,309       (6,647)     (44,333)      (115,024)
Income (loss) from continuing
  operations before provision
  for taxes                           (70,650)       3,774       (8,858)     101,330         25,596
Income (loss) from continuing
  operations                          (60,650)       3,774       (8,858)      81,070         15,336
Income from discontinued
  operation, net of tax                 1,956        2,440        2,004       (1,264)         5,136
Net income                            (58,694)       6,214       (6,854)      79,806         20,472
Basic and diluted earnings (loss)
  per share (2)                        $(4.50)       $0.48       $(0.52)       $6.01          $1.56
- ----------------------------------------------------------------------------------------------------

The sum of quarterly  EPS in 1999 does not equal the year amount  because of the
limitation  on the  quarterly  tax benefit  recognized  and  differences  in the
weighted average shares outstanding on a quarterly versus annual basis.

(1)  Basic and  diluted earnings per share includes earnings per share from the following:
     Continuing operations             $(4.80)       $0.02       $(0.92)      $(0.39)        $(5.88)
     Pension related items               0.15         0.27         0.25        (0.44)          0.02
     Asset divesture                     -            -            -         6.94           7.03
- ----------------------------------------------------------------------------------------------------
       Ongoing operations               (4.65)        0.29        (0.67)        6.11           1.17
     Discontinued operations             0.15         0.19         0.15        (0.10)          0.39
- ----------------------------------------------------------------------------------------------------
       Earnings (loss) per share       $(4.50)       $0.48       $(0.52)       $6.01          $1.56
- ----------------------------------------------------------------------------------------------------


                                       First       Second       Third       Fourth
1998                                  Quarter      Quarter     Quarter      Quarter         Year
- ----------------------------------------------------------------------------------------------------
Revenue                              $287,097     $309,387     $343,040     $274,944     $1,214,468
Gross profit                           25,621       14,324       18,483      (68,117)        (9,689)
Operating income                        9,349       (1,090)       2,301      (91,584)       (81,024)
Income (loss) from continuing
  operations before provision
  for taxes                            10,135       (1,384)       1,931      (92,103)       (81,421)
Income (loss) from continuing
  operations                            6,296         (672)       1,262      (61,494)       (54,608)
Income from discontinued
  operation, net of tax                 1,317        1,323          906        1,760          5,306
Net income                              7,613          651        2,168      (59,734)       (49,302)
Basic and diluted earnings
  (loss) per share (2)                  $0.59        $0.05        $0.17       $(4.64)        $(3.83)
- ----------------------------------------------------------------------------------------------------

(2)  Basic and diluted earnings per share includes earnings per share from the following:
     Continuing operations              $0.10       $(0.29)      $(0.13)      $(4.41)        $(4.73)
     Pension related items               0.24         0.24         0.23        (0.37)          0.34
     Asset divesture                     0.15            -            -            -           0.15
- ----------------------------------------------------------------------------------------------------
       Ongoing operations                0.49        (0.05)        0.10        (4.78)         (4.24)
     Discontinued operation              0.10         0.10         0.07         0.14           0.41
- ----------------------------------------------------------------------------------------------------
       Earnings (loss) per share        $0.59        $0.05        $0.17       $(4.64)        $(3.83)
- ----------------------------------------------------------------------------------------------------
</TABLE>

A  substantial  portion of the  Company's  business  is derived  from  long-term
engineering   and   construction   contracts.   Revenue  is  determined  on  the
percentage-of-completion  method.  Under  this  method,  revisions  to  earnings
estimates  recorded in any quarterly  period may be adjusted to revenue and cost
of revenue  recognized  in prior  periods  and may in turn be  further  adjusted
during  subsequent  quarters.  Accordingly,  historical  results  may vary  from
quarter to quarter.

<PAGE>
MARKET AND DIVIDEND INFORMATION (UNAUDITED)
- --------------------------------------------------------------------------------

Principal Market - New York Stock Exchange

                              Sales Price of                  Dividends Paid
                               Common Shares                   Per Share (1)
- ----------------------------------------------------------
                         1999                  1998           1999      1998
- --------------------------------------------------------------------------------
Quarter            High       Low        High       Low
- ----------------------------------------------------------
First             $34.38     $19.75     $46.75     $38.00     $0.15     $0.15
Second             27.25      21.94      50.13      37.88      0.15      0.15
Third              28.63      24.19      41.00      30.88      0.15      0.15
Fourth             28.32      13.75      34.00      28.94         -      0.15
- --------------------------------------------------------------------------------

(1)  On October 26, 1999,  the Board of  Directors  decided to forego the normal
     quarterly dividend of $0.15 per share due to the Company's liquidity needs.

The  Company  has  purchased  and may  continue  to  purchase  from time to time
additional shares of its common stock for general corporate  purposes on the New
York Stock  Exchange,  or  otherwise.  However,  there is no assurance  that the
Company will continue to purchase  shares of its common stock.  Also, see Note N
to the  consolidated  financial  statements.  The  approximate  number of record
holders of common stock as of December  31, 1999 was 5,000.  The common stock is
also listed for trading on the Boston Stock Exchange.


<PAGE>
                              Report of Management


The  management  of  Stone  &  Webster,  Incorporated  is  responsible  for  the
preparation  of the  financial  statements  and related  notes  included in this
annual report.  The financial  statements  have been prepared in conformity with
generally accepted accounting principles and accordingly include certain amounts
which represent management's best estimates and judgments.

Management  maintains  internal  control  systems to assist it in fulfilling its
responsibility   for  financial   reporting,   including  careful  selection  of
personnel,  segregation of duties and the  maintenance of formal  accounting and
reporting policies and procedures. While no system can ensure elimination of all
errors and irregularities,  the systems have been designed to provide reasonable
assurance that assets are safeguarded,  policies and procedures are followed and
transactions are properly executed and reported.  These systems are reviewed and
modified  in  response  to changing  conditions.  Management  believes  that the
Company's  system of internal  controls is adequate to accomplish the objectives
discussed herein.

The system is supported by an internal auditing function that operates worldwide
and reports its  findings  to  management  throughout  the year.  The  Company's
independent  accountants  are  engaged to  express  an  opinion on the  year-end
financial statements.  The independent accountants review and test the system of
internal accounting controls and the data contained in the financial  statements
to the extent  required by generally  accepted  auditing  standards as they deem
necessary  to arrive at an opinion on the fairness of the  financial  statements
presented herein.

The Audit  Committee  of the Board of  Directors,  which is comprised of outside
directors,  meets  regularly  with  management,  the  internal  auditors and the
independent  accountants  to discuss  the  adequacy of  internal  controls,  the
reported  financial results and the results of the auditors'  examinations.  The
internal  auditors and the  independent  accountants  have direct  access to the
Audit Committee and meet privately with the Committee.






H. Kerner Smith                         Thomas L. Langford

Chairman, President and                 Executive Vice President and
Chief Executive Officer                 Chief Financial Officer



<PAGE>
                                 EXHIBIT 13 (ii)

                 Stone & Webster, Incorporated and Subsidiaries
                 Schedule II - Valuation and Qualifying Accounts

                     (All dollar amounts are in thousands.)






Col. A         Col. B                Col. C            Col. D        Col. E

                                   Additions
                             ---------------------
               Balance at    Charged to    Charged                   Balance at
               Beginning     Costs and     to Other                  End of
Description    of Period     Expenses      Accounts    Deductions    Period
- -----------    ----------    ----------    --------    ----------    ----------

Allowance deducted from asset to which it applies:
Allowance for doubtful accounts:

Year ended December 31, 1999
                 $7,167        $  961       $(291)      $1,352(A)      $6,485

Year ended December 31, 1998
                 $6,689        $1,276       $   -       $  798(A)      $7,167

Year ended December 31, 1997
                 $3,626        $5,878       $   -       $2,815(A)      $6,689


Note A - Uncollected receivables written off, net of recoveries


<PAGE>
                                EXHIBIT 13 (iii)

                Report of Independent Accountants

To the Shareholders and Board of Directors of Stone & Webster, Incorporated:

In our opinion, the accompanying consolidated financial statements listed in the
index appearing under Item 14(a)(1)(i)present fairly, in all material respects,
the  consolidated  financial  position of Stone & Webster,  Incorporated and its
subsidiaries at December 31, 1999 and 1998, and the results of their  operations
and their cash flows for each of the three  years in the period  ended  December
31, 1999, in conformity with  accounting  principles  generally  accepted in the
United States. In addition,  in our opinion,  the financial  statement  schedule
listed in the index appearing under Item  14(a)(1)(ii)  presents fairly,  in all
material  respects,  the  information set forth therein when read in conjunction
with the related consolidated financial statements. These consolidated financial
statements  and  financial  statement  schedule  are the  responsibility  of the
Company's  management;  our  responsibility  is to  express  an opinion on these
financial  statements and financial  statement  schedule based on our audits. We
conducted our audits of these  statements in accordance with auditing  standards
generally accepted in the United States,  which require that we plan and perform
the audit to obtain reasonable  assurance about whether the financial statements
are free of material misstatement. An audit includes examining, on a test basis,
evidence  supporting the amounts and  disclosures  in the financial  statements,
assessing the  accounting  principles  used and  significant  estimates  made by
management,  and evaluating the overall  financial  statement  presentation.  We
believe  that our audits  provide a reasonable  basis for the opinion  expressed
above.



                                        /s/  PricewaterhouseCoopers LLP


Boston, Massachusetts
February 14, 2000 (Except as to Note I
for which the date is April 14, 2000)



<PAGE>
                                   EXHIBIT 21

                           Subsidiaries of Registrant

Subsidiaries of Registrant on December 31, 1999 included:

                                                             PLACE OF
NAME OF SUBSIDIARY                                           INCORPORATION
- --------------------------------------------------------------------------------
Enclave Parkway Realty, Inc.                                 Delaware
Nordic Holdings, Inc.                                        Delaware
  Nordic Rail Services, Inc.                                 North Carolina
  Nordic Transportation Services, Inc.                       North Carolina
Nordic Investors, Inc.                                       Nevada
Nordic Refrigerated Services, Inc.                           North Carolina
Prescient Technologies, Inc.                                 Delaware
Sabal Corporation                                            Florida
  Sabal Real Estate Corporation                              Delaware
Sleeper Street Realty Corporation                            Delaware
Stone & Webster Development Corporation                      Delaware
  SWL Corporation                                            Delaware
Stone & Webster Engineers and Constructors, Inc.             Delaware
  245 Summer Street Corporation                              Massachusetts
  1430 Enclave Parkway Corporation                           Delaware
  Belmont Constructors Company, Inc.                         Delaware
  DSS Engineers, Inc.                                        Florida
  Fast Supply Corporation                                    Delaware
  GSES Holding, LLC                                          New Jersey
     SC Wood, LLC                                            Delaware
  Marion Engineers and Constructors, Inc.                    Delaware
  Rockton Associates, Incorporated                           Delaware
  SAW Consulting Services, Inc.                              Delaware
  Stone & Webster Civil and Transportation Services, Inc.    Massachusetts
  Stone & Webster Construction Company, Inc.                 Delaware
  Stone & Webster Canada Limited                             Canada
     Rockton Field Services of Canada Ltd.                   Canada
  Stone & Webster Engineering Corporation                    Massachusetts
     Stone & Webster International of Mauritius Limited      Mauritius
       Stone & Webster India Limited                         India
  Stone & Webster Industrial Technology Corporation          Delaware
  Stone & Webster Management Consultants, Inc.               New York
     Power Technologies, Inc.                                New York
     Stone & Webster of Argentina Corporation                Delaware
  Stone & Webster Overseas Consultants, Inc.                 Delaware
  Stone & Webster Michigan, Inc.                             Michigan
  Stone & Webster Operating Corporation                      Delaware
  Stone & Webster Overseas Group, Inc.                       Delaware
     Advanced Technologies (Cayman) Limited                  Cayman Islands
       Selective Technologies Corporation                    Delaware
     Associated Engineers & Consultants, Inc.                New York
       AEC International Projects, Inc.                      Delaware

<PAGE>
                                                             PLACE OF
NAME OF SUBSIDIARY                                           INCORPORATION
- --------------------------------------------------------------------------------

     International Associates (Cayman) Limited               Cayman Islands
       International Engineers & Constructors, Incorporated  Delaware
     Process Engineers (Cayman) Limited                      Cayman Islands
       Projects Engineers, Incorporated                      Delaware
     Rockton Technical Services Corporation                  Delaware
     Stone & Webster Abu Dhabi (United Arab Emirates), Inc.  Delaware
     Stone & Webster Asia Corporation                        Delaware
     Stone & Webster Bharat, Incorporated                    Delaware
     Stone & Webster do Brazil Limitada                      Brazil
     Stone & Webster Dominican Republic, Incorporated        Delaware
     Stone & Webster Far East Technical Services Corp.       Delaware
     Stone & Webster Group Limited                           England
       Stone & Webster Abu Dhabi (United Arab Emirates)
        Limited                                              England
       Stone & Webster Anadolu Muhendislik Muteahhitlik
          Dis Ticaret Limited Sirketi                        Turkey
       Stone & Webster Construction Limited                  England
       Stone & Webster Engineering Limited                   England
          Stone & Webster Services Limited                   England
          Stone & Webster Services Sdn. Bhd.                 Malaysia
       Stone & Webster Engineering (Mauritius) Limited       Mauritius
       Stone & Webster Engineering and Field Services
        Limited                                              England
       Stone & Webster Management Consultants Limited        England
     Stone & Webster Indonesia Corporation                   Delaware
     Stone & Webster Inter-American Corporation              Delaware
     Stone & Webster International Corporation               Delaware
     Stone & Webster International Projects Corporation      Delaware
     Stone & Webster International Sales Corporation         U.S. Virgin Islands
     Stone & Webster Italia, Incorporated                    Delaware
     Stone & Webster Korea Corporation                       Delaware
     Stone & Webster Kuwait, Incorporated                    Delaware
     Stone & Webster Lithuania Corporation                   Delaware
     Stone & Webster of Mexico Engineering Corporation       Delaware
     Stone & Webster Middle East Engineering Services
      Corporation                                            Delaware
     Stone & Webster Pacific Corporation                     Delaware
     Stone & Webster Power Engineering Corporation           Delaware
     Stone & Webster Puerto Rico, Incorporated               Delaware
     Stone & Webster Saudi Arabia, Incorporated              Delaware
     Stone & Webster Taiwan Corporation                      Delaware
     Stone & Webster Technology Corporation                  Delaware
       Stone & Webster Technology B.V.                       Netherlands
     Stone & Webster (Thailand) Limited                      Thailand
  Stone & Webster Power Projects Corporation                 Delaware
  Stone & Webster Procurement Corporation                    Delaware
  Stone & Webster Worldwide Engineering Corporation          Delaware
Stone & Webster Oil Company, Inc.                            Texas

<PAGE>
                                   EXHIBIT 23

                       Consent of Independent Accountants



We  hereby  consent  to the  incorporation  by  reference  in  the  registration
statements on Form S-8 (File Nos. 333-19829,  333-19849,  33-60489, 33-60483 and
333-71857) and on Form S-4 (File No. 333-57961) of Stone & Webster, Incorporated
of our report dated February 14, 2000 (except as to Note I for which the date is
April 14, 2000)  relating to the  consolidated  financial  statements,  which is
incorporated in this Annual Report on Form 10-K.


                                        /s/ PricewaterhouseCoopers LLP



Boston, Massachusetts
April 14, 2000



<PAGE>
                                 EXHIBIT 24 (i)

                             Secretary's Certificate


     I, James P. Jones, Vice President, Secretary and General Counsel of Stone &
Webster,  Incorporated (the "Corporation"),  a Delaware  corporation,  do hereby
certify that the following resolution was duly adopted by the Board of Directors
of the  Corporation  at a  meeting  held on  February  24,  1998,  and that such
resolution is still in full force and effect:

     RESOLVED - that any report,  registration  statement or other form filed on
behalf of this Corporation  pursuant to the Securities  Exchange Act of 1934, or
any  amendment to such  report,  registration  statement  or other form,  may be
signed on behalf of any  Director or Officer of this  Corporation  pursuant to a
Power of Attorney executed by such Director or Officer.

     IN WITNESS WHEREOF,  I have hereunto signed my name and affixed the seal of
the Corporation this 14th day of April 2000.




(Seal)                             /S/   JAMES P. JONES
                                   ---------------------------------------------
                                         James P. Jones
                                         Vice President, Secretary and
                                         General Counsel


<PAGE>
                                 EXHIBIT 24 (ii)

                               Powers of Attorney


     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  DONNA F. BETHELL
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  FRANK J. A. CILLUFFO
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  KENT F. HANSEN
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  ELVIN R. HEIBERG III
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  DAVID N. MCCAMMON
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  J. ANGUS MCKEE
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  BERNARD W. REZNICEK
                                   ---------------------------------------------


                                POWER OF ATTORNEY

     BE IT KNOWN: That the undersigned, in my capacity or capacities as a member
of the Board of Directors  and/or  Officer of Stone & Webster,  Incorporated,  a
Delaware corporation (the "Company"),  does hereby make,  constitute and appoint
H. Kerner  Smith and James P. Jones,  and each of them acting  individually,  my
true and lawful  attorney-in-fact  with power to act  without the other and with
full power of substitution,  to execute,  deliver and file, for and on behalf of
the  undersigned,  in my name and in my capacity or capacities as aforesaid,  an
Annual Report of the Company on Form 10-K for the year ended  December 31, 1999,
and any  amendment  or  amendments  thereto  and any other  document  in support
thereof or  supplemental  thereto,  and the  undersigned  hereby  grants to said
attorneys, and each of them, full power and authority to do and perform each and
every  act and  thing  whatsoever  that  said  attorney  or  attorneys  may deem
necessary  or  advisable  to carry out fully the intent of the  foregoing as the
undersigned  might or could do  personally  or in the capacity or  capacities as
aforesaid,  hereby  ratifying  and  confirming  all acts and  things  which said
attorney  or  attorneys  may do or cause to be done by virtue  of this  Power of
Attorney.

     EXECUTED this 7th day of March 2000.


                                   /S/  PETER M. WOOD
                                   ---------------------------------------------




<TABLE> <S> <C>

<ARTICLE>                               5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS AND RETAINED EARNINGS AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>  1000

<S>                                     <C>

<PERIOD-TYPE>                           12-mos
<FISCAL-YEAR-END>                       DEC-31-1999
<PERIOD-END>                            DEC-31-1999
<CASH>                                  106481
<SECURITIES>                            0
<RECEIVABLES>                           288824
<ALLOWANCES>                            6485
<INVENTORY>                             0
<CURRENT-ASSETS>                        535658
<PP&E>                                  176119
<DEPRECIATION>                          102282
<TOTAL-ASSETS>                          933296
<CURRENT-LIABILITIES>                   528299
<BONDS>                                 19950
                   0
                             0
<COMMON>                                17731
<OTHER-SE>                              306618
<TOTAL-LIABILITY-AND-EQUITY>            933296
<SALES>                                 0
<TOTAL-REVENUES>                        1167848
<CGS>                                   0
<TOTAL-COSTS>                           1212979
<OTHER-EXPENSES>                        69893
<LOSS-PROVISION>                        961
<INTEREST-EXPENSE>                      12959
<INCOME-PRETAX>                         25596
<INCOME-TAX>                            10260
<INCOME-CONTINUING>                     15336
<EXTRAORDINARY>                         0
<CHANGES>                               0
<DISCONTINUED>                          5136
<NET-INCOME>                            20472
<EPS-BASIC>                             (1.56)
<EPS-DILUTED>                           (1.56)


</TABLE>

<TABLE> <S> <C>

<ARTICLE>                               5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS AND RETAINED EARNINGS AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                            1000

<S>                                     <C>

<PERIOD-TYPE>                           12-mos
<FISCAL-YEAR-END>                       DEC-31-1998
<PERIOD-END>                            DEC-31-1998
<CASH>                                  45492
<SECURITIES>                            0
<RECEIVABLES>                           293240
<ALLOWANCES>                            7167
<INVENTORY>                             0
<CURRENT-ASSETS>                        438810
<PP&E>                                  410114
<DEPRECIATION>                          190957
<TOTAL-ASSETS>                          881487
<CURRENT-LIABILITIES>                   520226
<BONDS>                                 22228
                   0
                             0
<COMMON>                                17731
<OTHER-SE>                              273845
<TOTAL-LIABILITY-AND-EQUITY>            881487
<TOTAL-REVENUES>                        1214468
<SALES>                                 0
<CGS>                                   0
<TOTAL-COSTS>                           1224157
<OTHER-EXPENSES>                        71335
<LOSS-PROVISION>                        1276
<INTEREST-EXPENSE>                      4076
<INCOME-PRETAX>                         (81421)
<INCOME-TAX>                            (26813)
<INCOME-CONTINUING>                     (54608)
<DISCONTINUED>                          5306
<CHANGES>                               0
<EXTRAORDINARY>                         0
<NET-INCOME>                            (49302)
<EPS-BASIC>                             (3.83)
<EPS-DILUTED>                           (3.83)


</TABLE>


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