TYCO INTERNATIONAL LTD /BER/
11-K, 1998-06-30
GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    --------


                                    FORM 11-K


               [X] ANNUAL REPORT PURSUANT TO SECTION 15 (d) OF THE
                 SECURITIES EXCHANGE ACT OF 1934 (FEE REQUIRED)

                   FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997


               TRANSITION REPORT PURSUANT TO SECTION 15 (d) OF THE
                SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)

              FOR THE TRANSITION PERIOD FROM _________ TO _________

                         COMMISSION FILE NUMBER 33-26970



                   ADT SECURITY SERVICES, INC. PROFIT SHARING
                                AND SAVINGS PLAN
                            (FULL TITLE OF THE PLAN)

                              1750 CLINT MOORE ROAD
                              BOCA RATON, FL 33431
                                (ADDRESS OF PLAN)

                            TYCO INTERNATIONAL LTD.
                             (FORMERLY ADT LIMITED)
          (NAME OF ISSUER OF THE SECURITIES HELD PURSUANT TO THE PLAN)


                              THE GIBBONS BUILDING
                           10 QUEEN STREET, SUITE 301
                             HAMILTON HM 11, BERMUDA
                     (ADDRESS OF PRINCIPAL EXECUTIVE OFFICE)



<PAGE>   2



                                   SIGNATURES




Pursuant to the requirements of the Securities Exchange Act of 1934, the
trustees (or other persons who administer the plan) have duly caused this annual
report to be signed on its behalf by the undersigned hereunto duly authorized.




                                        ADT Security Services, Inc.
                                        Profit Sharing and Savings Plan
                                               (Name of Plan)






Date: June 30, 1998                     By: /s/ Kelly Heffernan
                                           ------------------------------------
                                           Clerk: Tyco International (US)  Inc.
                                                  Retirement Committee





<PAGE>   3





                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN

                                    ---------

                                      INDEX


                                                                           Pages
Financial Statements and Exhibits
- ---------------------------------
Report of Independent Accountants                                            1-2

Financial Statements:

         Statements of Net Assets Available for Benefits
           with Fund Information as of December 31,  1997 and 1996           3-4

         Statements of Changes in Net Assets
           Available for Benefits with Fund Information
           for the Years Ended December 31,  1997 and 1996                   5-6

         Notes to Financial Statements                                      7-15


Supplemental Schedules:

         Item 27A - Schedule of Assets Held
           for Investment Purposes as of
            December 31,  1997 and 1996                                    16-17

         Item 27D - Schedule of Reportable
           Transactions for the year ended
           December 31,  1997                                                 18

         Item 27E - Schedule of Non-Exempt
           Transactions for the year ended
           December 31, 1997                                                  19

Exhibit I - Consent of Independent Accountants                                20




<PAGE>   4




                        REPORT OF INDEPENDENT ACCOUNTANTS



To The ADT Security Services,  Inc.
  Profit Sharing and Savings Plan:

We have audited the accompanying statements of net assets available for benefits
with fund information of the ADT Security Services, Inc. Profit Sharing and
Savings Plan (the "Plan") as of December 31, 1997 and 1996 and the related
statements of changes in net assets available for benefits with fund information
for the years then ended. These financial statements are the responsibility of
the Plan's management. Our responsibility is to express an opinion on these
financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards 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. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the net assets available for benefits of the Plan as of
December 31, 1997 and 1996, and the changes in net assets available for benefits
for the years then ended, in conformity with generally accepted accounting
principles.

Our audits were performed for the purpose of forming an opinion on the basic
financial statements taken as a whole. The accompanying supplemental schedules
of 1) assets held for investment purposes as of December 31, 1997 and 1996; 2)
reportable transactions for the year ended December 31, 1997; and 3) non-exempt
transactions for the year ended December 31, 1997 are presented for the purpose
of additional analysis and are not a required part of the basic financial
statements but are supplementary information required by the Department of
Labor's Rules and Regulations for Reporting and Disclosure under the Employee
Retirement Income Security Act of 1974. These supplemental schedules are the
responsibility of the Plan's management. The Fund Information in the statements
of net assets available for benefits as of December 31, 1997 and 1996 and the
statements of changes in net assets available for benefits for the years then
ended is presented for purposes of additional analysis rather than to present
the net assets available for benefits and changes in net assets available for
benefits of each fund. The supplemental schedules and Fund Information have been




                                       -1-


<PAGE>   5





subjected to the auditing procedures applied in the audits of the basic
financial statements and, in our opinion, are fairly stated, in all material
respects, in relation to the basic financial statements taken as a whole.



                                       COOPERS & LYBRAND L.L.P.





Denver, Colorado
June 30, 1998





                                       -2-






<PAGE>   6
                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
      STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION
                             as of December 31, 1997

<TABLE>
<CAPTION>
                                                                           Participant-Directed
                                                                           -------------------- 

                                                 Fund A             Fund B       Fund C         Fund D         Fund E       
                                                 ------             ------       ------         ------         ------       
ASSETS:                                           Tyco          Intermediate   Disciplined       Cash                     
- -------                                       International         Bond         Equity       Management      Balanced      
                                             Ltd. Share Fund        Fund          Fund           Fund           Fund        
                                             ---------------        ----          ----           ----           ----        
<S>                                          <C>                <C>            <C>            <C>             <C>           
Investments, at fair value:
 Tyco International Ltd. Share Fund                                                                                      
    (cost $71,876,286)                       $92,714,977*                                                                 
Participation in Fidelity                                                                                                 
 Intermediate Bond Fund                                                                                                   
    (cost $8,205,171)                                           $8,216,558*                                               
Participation in Fidelity                                                                                                 
 Disciplined Equity Fund                                                                                                  
    (cost $19,427,696)                                                          $21,306,907*                              
Participation in Dreyfus                                                                                                  
 Cash Management Fund                                                                                                     
    (cost $23,876,661)                                                                        $22,542,490*                
Participation in Fidelity                                                                                                 
 Puritan Fund (cost $3,647,409)                                                                                $3,850,079 
Participation in Fidelity                                                                                       
 ContraFund (cost $9,075,269)                                                                                             
Participation in Fidelity                                                                                                 
 Worldwide Fund (cost $2,059,639)                                                                                         
                                                                                                                          
Participant Loans                                                                                                         
                                                                                                                          
Participants' contribution receivable            123,282            15,026           35,032        28,344          9,239  
Company contribution receivable                    5,241                                                                  
Participant loan receivable                       24,723             3,497            5,203         8,307            615  
Participant loan interest receivable                                                                                      
                                             -----------        ----------      -----------   -----------     ----------  
                                                                                                                          
Total assets                                 $92,868,223        $8,235,081      $21,347,142   $22,579,141     $3,859,933  
                                                                                                                          
LIABILITIES:                                                                                                              
- -----------                                                                                                               
Due to Broker for Securities Purchased       $    26,859        $   18,527      $    44,867   $   190,918     $    9,660  
Transfers payable                                147,983                                         (153,604)                
Administration fees payable                      189,718            15,888           33,214   $    34,323          9,743  
                                             -----------        ----------      -----------   -----------     ----------  
                                                                                                                          
Total liabilities                                364,560            34,415           78,081        71,637         19,403  
                                             -----------        ----------      -----------   -----------     ----------  
                                                                                                                          
NET ASSETS AVAILABLE FOR BENEFITS            $92,503,663        $8,200,666      $21,269,061   $22,507,504     $3,840,530  
                                             ===========        ==========      ===========   ===========     ==========
</TABLE>
<TABLE>
<CAPTION>
                                                                                            Nonparticipant    
                                                            Participant- Directed             Directed 
                                            -------------------------------------------     --------------     
                                              Fund F          Fund G                            Fund A      
                                              ------          ------                            ------
                                            Aggressive        Global        Participant    Tyco International 
ASSETS:                                     Equity Fund     Equity Fund        Loans         Ltd. Share Fund     Total       
- -------                                     -----------     -----------        -----         ---------------     -----       
<S>                                         <C>             <C>             <C>            <C>                 <C>         
Investments, at fair value:                                                                                                  
 Tyco International Ltd. Share Fund                                                                                         
    (cost $71,876,286)                                                                      $41,545,031*       $134,260,008   
Participation in Fidelity                                                                                                    
 Intermediate Bond Fund                                                                                                      
    (cost $8,205,171)                                                                                             8,216,558  
Participation in Fidelity                                                                                                    
 Disciplined Equity Fund                                                                                                     
    (cost $19,427,696)                                                                                           21,306,907  
Participation in Dreyfus                                                                                                     
 Cash Management Fund                                                                                                        
    (cost $23,876,661)                                                                        1,334,171*         23,876,661  
                                                                                                                  3,850,079
Participation in Fidelity                                                                                                    
 Puritan Fund (cost $3,647,409)              $9,604,454                                                           9,604,454   
Participation in Fidelity                                                                                                    
 ContraFund (cost $9,075,269)                                $2,041,612                                           2,041,612  
Participation in Fidelity                                                                                                    
 Worldwide Fund (cost $2,059,639)                                           $7,199,957                            7,199,957     
                                                                                                                             
Participant Loans                                                                                                   
                                                                                                                             
Participants' contribution receivable           23,000            7,988                                             241,911  
Company contribution receivable                                                                 27,514               32,755  
Participant loan receivable                      1,191              437        (43,973)                             --       
Participant loan interest receivable                                            11,127                               11,127  
                                            ----------       ----------     ----------      -----------        ------------   
                                                                                                                             
Total assets                                $9,628,645       $2,050,037     $7,167,111      $42,906,716        $210,642,029   
                                                                                                                             
LIABILITIES:                                                                                                                 
- -----------                                                                                                                  
Due to Broker for Securities Purchased      $   20,378      $     6,350                     $    12,639       $     330,198  
Transfers payable                                3,610            2,011                                             --       
Administration fees payable                     17,156            7,170                          89,279             396,491  
                                            ----------       ----------     ----------      -----------        ------------   
                                                                                                                             
Total liabilities                               41,144           15,531          -          $   101,918             726,689  
                                            ----------       ----------     ----------      -----------        ------------   
                                                                                                                             
NET ASSETS AVAILABLE FOR BENEFITS           $9,587,501       $2,034,506     $7,167,111      $42,804,798        $209,915,340   
                                            ==========       ==========     ==========      ===========        ============   
                                                                                                              
</TABLE>
           * Investment value represents 5% or more of the total plan net assets
available for benefits.
                                      -3-

     The accompanying notes are an integral part of the financial statements
<PAGE>   7



                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
      STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION
                             as of December 31, 1996

<TABLE>
<CAPTION>

                                                                     Participant-Directed
                                          ----------------------------------------------------------------------------
                                            Fund A           Fund B          Fund C         Fund D             Fund E        
                                            ------           ------          ------         ------             ------
                                             ADT          Intermediate     Disciplined       Cash                         
ASSETS:                                     Limited           Bond           Equity        Management         Balanced      
- -------                                   Share Fund          Fund            Fund           Fund               Fund        
                                          ----------          ----            ----           ----               ----        
<S>                                       <C>             <C>              <C>             <C>                <C>         
Investments, at fair value:                                                                                               
 ADT Limited Share Fund                                                                                                   
    (cost $42,088,788)                    $58,210,703*                                                                    
Participation in Fidelity                                                                                                 
 Intermediate Bond Fund                                                                                                   
    (cost $7,999,429)                                     $7,898,693*                                                     
Participation in Fidelity                                                                                                 
 Disciplined Equity Fund                                                                                                  
    (cost $16,336,798)                                                     $16,051,140*                                   
Participation in Dreyfus                                                                                                  
 Cash Management Fund                                                                                                     
    (cost $21,432,467)                                                                     $20,681,767*                   
Participation in Fidelity                                                                                                 
 Puritan Fund (cost $2,343,150)                                                                               $2,367,484  
Participation in Fidelity                                                                                                 
 ContraFund (cost $5,766,012)                                                                                             
Participation in Fidelity                                                                                                 
 Worldwide Fund (cost $1,318,387)                                                                                         
Participant Loans                                                                                                         
                                                                                                                          
Due from Broker for Securities Sold                            1,049                            69,820             7,076 
                                          -----------     ----------       -----------     -----------        ----------  
                                                                                                                          
Total assets                              $58,210,703     $7,899,742       $16,051,140     $20,751,587        $2,374,560  
                                                                                                                          
LIABILITIES:                                                                                                              
- ------------
                                                                                                                          
Due to Broker for Securities Purchased    $    33,208                      $     1,845                                    
Administration fees payable                    94,171     $   14,591            27,586     $    34,269        $    4,837  
                                          -----------     ----------       -----------     -----------        ----------  
                                                                                                                          
Total liabilities                             127,379         14,591            29,431     $    34,269             4,837  
                                          -----------     ----------       -----------     -----------        ----------  
                                                                                                                          
NET ASSETS AVAILABLE FOR BENEFITS         $58,083,324     $7,885,151       $16,021,709     $20,717,318        $2,369,723  
                                          ===========     ==========       ===========     ===========        ==========  
</TABLE>


<TABLE>
<CAPTION>

                                                         Participant-Directed               
                                            -------------------------------------------     Nonparticipant   
                                                                                              Directed
                                              Fund F          Fund G                           Fund A        
                                              ------          ------                           ------
                                            Aggressive        Global        Participant      ADT Limited     
ASSETS:                                     Equity Fund     Equity Fund       Loans          Share Fund             Total      
- -------                                     -----------     -----------       -----          ----------             -----      
<S>                                         <C>             <C>             <C>             <C>                 <C>            
Investments, at fair value:                                                                                                   
 ADT Limited Share Fund                                                                                                       
    (cost $42,088,788)                                                                      $22,664,797*        $ 80,875,500   
Participation in Fidelity                                                                                                     
 Intermediate Bond Fund                                                                                                       
    (cost $7,999,429)                                                                                              7,898,693  
Participation in Fidelity                                                                                                     
 Disciplined Equity Fund                                                                                                      
    (cost $16,336,798)                                                                                            16,051,140  
Participation in Dreyfus                                                                                                      
 Cash Management Fund                                                                                                         
    (cost $21,432,467)                                                                          750,700*          21,432,467  
Participation in Fidelity                                                                                                     
 Puritan Fund (cost $2,343,150)                                                                                    2,367,484  
Participation in Fidelity                                                                                                     
 ContraFund (cost $5,766,012)               $6,086,289                                                             6,086,289  
Participation in Fidelity                                                                                                     
 Worldwide Fund (cost $1,318,387)                           $1,388,754                                             1,388,754  
Participant Loans                                                           $4,955,194                             4,955,194  
                                                                                                                              
Due from Broker for Securities Sold                                                                                   77,945  
                                            ----------      ----------      ----------      -----------         ------------   
                                                                                                                              
Total assets                                $6,086,289      $1,388,754      $4,955,194      $23,415,497         $141,133,466   
                                                                                                                              
                                                                                                                              
LIABILITIES:                                                                                                                  
- -----------                                                                                                             
Due to Broker for Securities Purchased      $    8,810      $    5,265                      $    14,232        $      63,360  
Administration fees payable                      9,534           2,666                           42,742              230,396  
                                            ----------      ----------      ----------      -----------         ------------   
                                                                                                                              
Total liabilities                               18,344           7,931           -          $    56,974              293,756  
                                            ----------      ----------      ----------      -----------         ------------   
                                                                                                                              
NET ASSETS AVAILABLE FOR BENEFITS           $6,067,945      $1,380,823      $4,955,194      $23,358,523         $140,839,710   
                                            ==========      ==========      ==========      ===========         ============   
</TABLE>

* Investment value represents 5% or more of the total plan net assets available
for benefits.
                                       -4-

     The accompanying notes are an integral part of the financial statements

<PAGE>   8



                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION
                             as of December 31, 1997

<TABLE>
<CAPTION>
                                                             Participant-Directed         
                                    --------------------------------------------------------------------------
                                        Fund A             Fund B          Fund C        Fund D        Fund E         
                                        ------             ------          ------        ------        ------
                                         Tyco           Intermediate     Disciplined      Cash                     
                                     International          Bond           Equity      Management     Balanced     
                                    Ltd. Share Fund         Fund            Fund          Fund          Fund        
                                    ---------------         ----            ----          ----          ----        
<S>                                 <C>                 <C>              <C>           <C>            <C>          
Additions:                                                                                                        
  Contributions:                                                                                                  
    Participants                    $ 6,200,746          $ 759,482      $ 1,468,608   $ 1,327,893    $  442,983    
    Company                             311,688                                                                   
    Rollover                             21,026              9,594           18,832         6,001        19,612   
                                    -----------         ----------      -----------   -----------    ----------   
  Total contributions                 6,533,460            769,076        1,487,440     1,333,894       442,595   
                                    -----------         ----------      -----------   -----------    ----------   
                                                                                                                  
Income from investments:                                                                                          
 Interest                                                                               1,241,896                 
 Dividends                                                                                                        
 Net appreciation in fair value                                                                                   
    of investments                   44,695,475            590,078        5,324,596                     644,257   
                                    -----------         ----------      -----------   -----------    ----------   
Total income from investments        44,695,475            590,078        5,324,596     1,241,896       644,257   
                                    -----------         ----------      -----------   -----------    ----------   
Total additions                      51,228,935          1,359,154        6,812,036     2,575,790     1,086,852   
                                    -----------         ----------      -----------   -----------    ----------   
                                                                                                                  
Deductions:                                                                                                       
                                                                                                                  
  Distributions and withdrawals      (6,419,581)        (1,116,843)      (2,005,871)   (5,050,545)     (350,755)  
  Administration fees                  (189,718)           (23,447)         (45,067)      (56,478)      (12,534)  
                                    -----------         ----------      -----------   -----------    ----------   
Total deductions                     (6,609,299)        (1,140,290)      (2,050,938)   (5,107,023)     (363,289)  
                                                                                                                  
Transfers between funds              (8,652,966)           124,300          541,809     4,570,411       810,199               
                                                                                                                  
Participant loans                    (1,546,331)           (27,649)         (55,555)     (248,992)      (62,955)  
                                    -----------         ----------      -----------   -----------    ----------   
INCREASE IN NET ASSETS               34,420,339            315,515        5,247,352     1,790,186     1,470,807   
                                    -----------         ----------      -----------   -----------    ----------   
NET ASSETS AVAILABLE FOR BENEFITS                                                                                 
AT DECEMBER 31, 1996                 58,083,324          7,885,151       16,021,709    20,717,318     2,369,723   
                                    -----------         ----------      -----------   -----------    ----------   
NET ASSETS AVAILABLE FOR BENEFITS                                                                                 
AT DECEMBER 31, 1997                $92,503,663         $8,200,666      $21,269,061   $22,507,504    $3,840,530   
                                    ===========         ==========      ===========   ===========    ==========   
</TABLE>
<TABLE>
<CAPTION>
                                                                                     Nonparticipant
                                                      Participant-Directed             Directed
                                       -----------------------------------------     --------------
                                                                                        Fund A    
                                         Fund F         Fund G                         -------
                                         ------         ------                            Tyco 
                                       Aggressive       Global        Participant   International Ltd.      Total      
                                       Equity Fund    Equity Fund        Loans        Share Fund            -----            
                                       -----------    -----------        -----        ----------                     
<S>                                    <C>            <C>             <C>           <C>                 <C>
Additions:

  Contributions:
    Participants                       $  948,617     $  378,621                                         $ 11,506,950
    Company                                                                         $ 1,605,590             1,917,278
    Rollover                               12,179         10,994                                               98,238
                                       ----------     ----------      ----------    -----------         -------------
  Total contributions                     960,796        389,615                    $ 1,605,590            13,522,466
                                       ----------     ----------      ----------    -----------         -------------

Income from investments:
 Interest                                                              $ 473,795                              473,795
 Dividends                                                                                                  1,241,896
 Net appreciation in fair value
    of investments                      1,632,624        179,391          64,192     22,805,242            75,935,855
                                       ----------     ----------      ----------    -----------         -------------
Total income from investments           1,632,624        179,391         537,987     22,805,242            77,651,546
                                       ----------     ----------      ----------    -----------         -------------
Total additions                         2,593,420        569,006         537,987     24,410,832            91,174,012
                                       ----------     ----------      ----------    -----------         -------------

Deductions:

  Distributions and withdrawals        (1,037,385)      (362,238)       (431,380)    (4,875,278)          (21,649,876)
  Administration fees                     (22,536)        (9,447)                       (89,279)             (448,506)
                                       ----------     ----------      ----------    -----------         -------------
Total deductions                       (1,059,921)      (371,685)       (431,380)    (4,964,557)          (22,098,382)

Transfers between funds                 2,114,409        491,838

Participant loans                        (128,532)       (35,476)      2,105,310                                -
                                       ----------     ----------      ----------    -----------         -------------
INCREASE IN NET ASSETS                  3,519,556        653,683       2,211,917     19,446,275            69,075,630
                                       ----------     ----------      ----------    -----------         -------------
NET ASSETS AVAILABLE FOR BENEFITS
AT DECEMBER 31, 1996                    6,067,945      1,380,823       4,955,194     23,358,523           140,839,710
                                       ----------     ----------      ----------    -----------         -------------
NET ASSETS AVAILABLE FOR BENEFITS
AT DECEMBER 31, 1997                   $9,587,501     $2,034,506      $7,167,111    $42,804,798         $ 209,915,340
                                       ==========     ==========      ==========    ===========         =============
</TABLE>

                                       -5-

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


<PAGE>   9


                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
 STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS WITH FUND INFORMATION
                             as of December 31, 1996

<TABLE>
<CAPTION>
                                                         Participant-Directed                                  
                                       ------------------------------------------------------------------------
                                         Fund A          Fund B          Fund C         Fund D           Fund E     
                                         ------          ------          ------         ------           ------
                                          ADT          Intermediate    Disciplined       Cash                       
                                         Limited          Bond           Equity       Management        Balanced    
                                       Share Fund         Fund            Fund           Fund             Fund      
                                       ----------         ----            ----           ----             ----      
<S>                                    <C>             <C>             <C>            <C>             <C>           
Additions:
                                                                                                          
Contributions:                                                                                                    
    Participants                       $ 5,818,199      $ 871,228      $ 1,555,467    $ 1,555,324     $  257,631    
    Company                                499,388                                                                  
    Rollover                                37,697            617           25,300            386         17,128    
                                       -----------     ----------      -----------    -----------     ----------    
  Total contributions                    6,355,284        871,845        1,580,767      1,555,710        274,759    
                                       -----------     ----------      -----------    -----------     ----------    
                                                                                                                    
Income from investments:                                                                                            
 Interest                                                                                     332                   
 Dividends                                                                              1,029,928                   
 Net appreciation in fair value                                                                                     
    of investments                      19,325,240        332,338        4,033,775        102,608        267,040    
                                       -----------     ----------      -----------    -----------     ----------    
Total income from investments           19,325,240        332,338        4,033,775      1,132,868        267,040    
                                       -----------     ----------      -----------    -----------     ----------    
Total additions                         25,680,524      1,204,183        5,614,542      2,688,578        541,799    
                                       -----------     ----------      -----------    -----------     ----------    
                                                                                                                    
Deductions:                                                                                                         
                                                                                                                    
  Distributions and withdrawals         (5,290,968)    (1,757,139)      (1,976,422)    (4,651,292)      (250,633)   
  Administration fees                     (141,131)       (21,671)         (40,209)       (49,602)        (6,270)  
                                       -----------     ----------      -----------    -----------     ----------    
Total deductions                        (5,432,099)    (1,778,810)      (2,016,631)    (4,700,894)      (256,903)   
                                                                                                                    
Transfers between funds                    (68,189)    (1,882,885)      (1,960,105)       (25,226)     1,247,009    
                                                                                                                    
Participant loans                       (1,457,813)      (157,454)        (312,313)      (323,248)       (29,376)   
                                       -----------     ----------      -----------    -----------     ----------    
INCREASE (DECREASE) IN NET ASSETS       18,722,423     (2,614,966)       1,325,493     (2,360,790)     1,502,529          
                                       -----------     ----------      -----------    -----------     ----------    
NET ASSETS AVAILABLE FOR BENEFITS                                                                                   
AT DECEMBER 31, 1995                    39,360,901     10,500,117       14,696,216     23,078,108        867,194    
                                       -----------     ----------      -----------    -----------     ----------    
NET ASSETS AVAILABLE FOR BENEFITS                                                                                   
AT DECEMBER 31, 1996                   $58,083,324     $7,885,151      $16,021,709    $20,717,318     $2,369,723    
                                       ===========     ==========      ===========    ===========     ==========    
</TABLE>
<TABLE>
<CAPTION>

                                                                                 Nonparticipant
                                                    Participant-    Directed        Directed   
                                   -------------------------------------------   --------------
                                      Fund F          Fund G                         Fund A      
                                      ------          ------                         ------
                                    Aggressive        Global       Participant     ADT Limited        Total       
                                    Equity Fund     Equity Fund       Loans        Share Fund         -----            
                                    -----------     -----------       -----        ----------                     
<S>                                 <C>             <C>            <C>           <C>              <C>             
Additions:                                                                                                        
                                                                                                                  
  Contributions:                                                                                                  
    Participants                    $  597,151       $ 171,219                                     $ 10,826,219    
    Company                                                                      $ 1,372,264          1,871,652   
    Rollover                           103,942          61,374                                          246,444   
                                    ----------      ----------     ----------    -----------      -------------   
  Total contributions                  701,093         232,593                   $ 1,372,264         12,944,315   
                                    ----------      ----------     ----------    -----------      -------------   
                                                                                                                  
Income from investments:                                                                                          
 Interest                                                          $  328,537                           328,869   
 Dividends                                                                                            1,029,928   
 Net appreciation in fair value                                                                                   
    of investments                   1,120,240         144,083                     8,609,527         33,934,851   
                                    ----------      ----------     ----------    -----------      -------------   
Total income from investments        1,120,240         144,083        328,537      8,609,527         35,293,648    
                                    ----------      ----------     ----------    -----------      -------------   
Total additions                      1,821,333         376,676        328,537      9,981,791         48,237,963   
                                    ----------      ----------     ----------    -----------      -------------   
                                                                                                                  
Deductions:                                                                                                       
                                                                                                                  
  Distributions and withdrawals       (534,217)       (176,592)      (196,972)    (3,084,839)       (17,919,074)  
  Administration fees                  (13,563)         (3,465)                      (60,485)          (336,396)  
                                    ----------      ----------     ----------    -----------      -------------   
Total deductions                      (547,780)       (180,057)      (196,972)    (3,145,324)       (18,255,470)  
                                                                                                                  
Transfers between funds              2,255,622         817,990                      (384,216)             -       
                                                                                                                  
Participant loans                      (85,953)        (26,764)     2,392,921                             -       
                                    ----------      ----------     ----------    -----------      -------------   
INCREASE (DECREASE) IN NET ASSETS    3,443,222         987,845      2,524,486      6,452,251         29,982,493   
                                    ----------      ----------     ----------    -----------      -------------   
                                                                                                                  
NET ASSETS AVAILABLE FOR BENEFITS                                                                                 
AT DECEMBER 31, 1995                 2,624,723         392,978      2,430,708     16,906,272        110,857,217   
                                    ----------      ----------     ----------    -----------      -------------   
                                                                                                                  
NET ASSETS AVAILABLE FOR BENEFITS                                                                                 
AT DECEMBER 31, 1996                $6,067,945      $1,380,823     $4,955,194    $23,358,523      $ 140,839,710   
                                    ==========      ==========     ==========    ===========      =============   
</TABLE>
                                       -6-

     The accompanying notes are an integral part of the financial statements


<PAGE>   10



                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
                          NOTES TO FINANCIAL STATEMENTS


1.      PLAN DESCRIPTION
        ---------------- 

         The ADT Security Services, Inc. Profit Sharing and Savings Plan (the
         "Plan") is administered through a trustee, (the "Trustee"), currently
         Mellon Bank, and by a committee consisting of employees of ADT Security
         Services, Inc. (the "Company"). Under the provisions of the Plan,
         eligible employees may make participating contributions from 1% to 8%
         of total compensation (including commissions, bonuses and overtime
         pay), which are eligible for the Company's matching contributions. Such
         contributions may be made on an after-tax basis or a before-tax basis
         pursuant to Section 401(k) of the Internal Revenue Code; before-tax
         contributions being limited to 1% to 4% of compensation. Participants
         may also elect to make additional after-tax contributions of up to an
         additional 5% of their compensation, which are not eligible for the
         Company's matching contributions.

         The Company makes contributions to the Trustee, of an amount equal to
         20% of the aggregate participating contributions (up to 8% of each
         participant's compensation) made by the participants (the "basic"
         contribution). Effective January 1, 1995, the Plan was amended to allow
         the Company, in its sole discretion, to make a supplemental
         contribution, in any percentage, subject to the maximum limit or elect
         to make no supplemental contribution. The maximum supplemental
         contribution is 80% of the aggregate participating contributions of the
         employees made during the year. The Company made no supplemental
         contributions for the years ended December 31, 1997 and 1996.

         On July 2, 1997, a wholly-owned subsidiary of what was formerly called
         ADT Limited ("ADT") merged with Tyco International Ltd. (the "Former
         Tyco"). Upon consummation of the merger, ADT (the surviving
         corporation) changed its name to Tyco International Ltd. Shareholders
         of ADT, through a reverse stock split, received 0.48133 shares of Tyco
         International Ltd. common stock for each share of ADT common stock
         outstanding. Prior to July 2, 1997, investments in Fund A - ADT Limited
         Share Fund were invested in common shares of ADT Limited. Effective
         with the merger on July 2, 1997, the investment in common shares of ADT
         Limited were exchanged for common shares of Tyco International Ltd.
         and Fund A is renamed, "Fund A - Tyco International Ltd Share Fund".

         The other investment options remained the same and are as follows: Fund
         B - Intermediate Bond Fund is invested in Fidelity's Intermediate Bond
         Fund which consists of investments in fixed income obligations in
         domestic and foreign debt securities, which have an average maturity of
         three to ten years; Fund C - Equity Fund is invested in Fidelity's
         Disciplined Equity Fund which consists of investments in domestic
         common stocks in such industries as energy, banking, health,
         technology, utilities and consumer products; Fund D - Cash Management
         Fund is invested in the Dreyfus Cash Management Fund which consists of
         investments in short-term money market obligations such as U.S.
         Government securities, certificates of deposit, time deposits, bankers'
         acceptances, repurchase agreements, commercial paper and other
         short-term corporate obligations; Fund E - Balanced Fund is invested 

                                        7



<PAGE>   11




                    NOTES TO FINANCIAL STATEMENTS, Continued
                               ------------------

1.       PLAN DESCRIPTION, Continued
         -----------------

         in Fidelity's Puritan Fund which consists of investments in common
         stocks and preferred stocks in such industries as energy, finance,
         durables, retail, basic industries and investments in bonds consisting
         of investments in U.S. Government and government agency securities,
         corporate bonds, mortgage securities and foreign bonds; Fund F -
         Aggressive Equity Fund is invested in Fidelity's Contrafund which
         consists of investments in common stocks and preferred stocks,
         generally in small and medium-sized companies, in such industries as
         finance, technology, energy, durables, and basic industries; Fund G -
         Global Equity is invested in Fidelity's Worldwide Fund which consists
         of investments in equity securities issued by companies of all sizes
         worldwide, in such industries as finance, basic industries, retail,
         durables, construction and real estate, primarily in such countries as
         the U.S. the Netherlands, Germany, Japan, France, Switzerland, and
         Finland. The funds are collectively referred to as the 'Trust Fund',
         hereafter.

         Participants may change their investment options, contribution
         percentages, and transfer account balances on an unlimited basis. The
         percentage contributed to each fund must be in increments of 10%. The
         total number of participants in each fund at December 31, 1997 is as
         follows:

<TABLE>
<CAPTION>
<S>                                                                                     <C>  
                  Fund A - Tyco International, Ltd. Share Fund                          6,234
                  Fund B - Intermediate Bond Fund                                       1,919
                  Fund C - Equity Fund                                                  2,552
                  Fund D - Cash Management Fund                                         2,906
                  Fund E - Balance Fund                                                   784
                  Fund F - Aggressive Equity Fund                                       1,335
                  Fund G - Global Equity Fund                                             756
</TABLE>

                  The total number of participants in the Plan was 6,365 as of
         December 31, 1997 which is less than the sum of the number of
         participants shown above because participants have invested their
         contributions in more than one fund.

         Each participant's account is credited with the participant's
         contributions. The Company's 20% basic contributions, and the Company's
         supplemental contributions, if any, were invested in the ADT Limited
         Share Fund prior to July, 1997 and in the Tyco International Ltd.
         Share Fund thereafter and credited to the participant's account.
         Pension eligible participants are entitled to direct Company
         contributions. Effective January 1, 1995, the Plan was amended to limit
         the contributions of "Highly Compensated" associates, as defined under
         IRS regulations, to the 8% maximum participating contributions only.
         Plan earnings and losses in each fund are allocated to participant
         accounts relative to the participant's account balance in each
         respective fund.

                                        8






<PAGE>   12



                    NOTES TO FINANCIAL STATEMENTS, Continued
                              --------------------

1.       PLAN DESCRIPTION, Continued
         -----------------

         A loan provision is available to participants in which an active
         participant may borrow from the participant's vested account balance a
         mimimum of $1,000 up to 50% of the vested account balance. The maximum
         amount that can be borrowed is $50,000. Loan transactions are treated
         as a transfer to (from) the investment fund from (to) the Participant
         Loan Fund. Loan terms range from 1-5 years or up to 15 years for home
         purchase loans. The loans are collateralized by the balance in the
         participants' account and bear interest at prime plus 1% at the
         beginning of each month and are fixed for the duration of the loan.
         Principal and interest is paid ratably through payroll deductions.

         The Plan allows newly hired associates to contribute to the Plan only
         after they have completed one year of employment service with ADT
         Security Services, Inc. or one of its subsidiaries or affiliates.
         Temporary employees are not eligible to participate in the
         Plan. Termination of service for any reason other than retirement,
         death, disability or layoff results in the forfeiture of the nonvested
         portion of a participant's account. Under the terms of the Plan,
         forfeitures are used to reduce subsequent Company contributions.
         Forfeitures for 1997 and 1996 were $214,303 and $201,975, respectively.

         A participant is fully vested at all times in the amount credited to
         the Plan account attributable to the participant's own contributions. A
         participant becomes fully vested in the amount attributable to Company
         contributions after three years of service, as defined in the Plan
         document. Participants should refer to the Plan document for a more
         complete description of the Plan's provisions.

2.       SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
         ------------------------------------------

         Method of Accounting
         --------------------

         The financial statements of the Plan have been prepared on the accrual
         basis of accounting.

         Use of Estimates
         ----------------

         The preparation of financial statements in conformity with generally
         accepted accounting principles requires management to make significant
         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
         increases and decreases in net assets available for benefits during the
         reporting period. Actual results could differ from those estimates.


                                        9





<PAGE>   13



                    NOTES TO FINANCIAL STATEMENTS, Continued
                              --------------------

2.       SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Continued
         -------------------------------------------

         Risks and Uncertainties
         -----------------------

         The Plan provides for various investment options in a combination of
         mutual funds and other investment securities. Investment securities are
         exposed to various risks, such as interest rate, market and credit. Due
         to the level of risk associated with certain investment securities and
         the level of uncertainty related to changes in the value of investment
         securities, it is at least reasonably possible that changes in risks in
         the near term would materially affect participants' account balances
         and the amounts reported in the statement of net assets available for
         plan benefits and the statement of changes in net assets available for
         plan benefits.

         Security Transactions and Related Investment Income
         ---------------------------------------------------

         Security transactions are accounted for on the trade date. Dividend
         income is recorded on the ex-dividend date and interest income is
         accrued as earned.

         Fees and Expenses
         -----------------

         All taxes, expenses, fees and charges of any kind in respect of the
         Trust Fund and most reasonable expenses of administering the Plan shall
         be paid by the Plan, unless the Company, at its discretion, elects to
         pay such taxes, expenses, fees or charges. All administrative fees,
         other than such costs as direct labor and related support costs, of the
         Plan were paid by the Plan during 1997 and 1996.

         Valuation of Investment Assets
         ------------------------------

         The Plan's investments are stated at fair value. Investments in Tyco
         International Ltd. common stock are valued based on the closing price
         of the stock at December 31, 1997 and investments in ADT Limited common
         stock are valued based on the closing price of the stock at December
         31, 1996 as determined by the New York Stock Exchange. Investments in
         pooled funds of the Trustee are valued at fair value as reported by the
         Trustee. Quoted market prices are used to value investments in the
         mutual funds of Fidelity Investments. These investments are valued
         every business day by the mutual fund manager based on the fund's share
         price called the net asset value. Investments in the Dreyfus Cash
         Management Fund are valued at fair value as reported by the Trustee.

         Derivative Financial Instruments
         --------------------------------

         The Plan has only limited involvement with derivative financial
         instruments and does not use them for trading purposes. During 1997 and
         1996, derivative investments comprised an immaterial portion of the
         total net assets available for benefits.


                                       10



<PAGE>   14



                    NOTES TO FINANCIAL STATEMENTS, Continued
                               ------------------

2.       SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Continued
         ------------------------------------------
         Net Appreciation (Depreciation) in the Fair Value of Investments
         ----------------------------------------------------------------
         The Plan presents in the statements of changes in net assets available
         for benefits the net appreciation (depreciation) in the fair value of
         its investments, which consists of the realized gains (losses) and the
         unrealized appreciation (depreciation) on those investments.


3.       VALUATION OF PARTICIPANTS' ACCOUNTS
         -----------------------------------
         The participants' accounts are valued at fair value at the close of
         each business day by the Plan Trustee on a cash and share equivalent
         basis.

4.       INVESTMENTS
         -----------
         The number of shares and carrying value per share at December 31, 1997
         and 1996 were as follows:

<TABLE>
<CAPTION>
                                              1997               1996
                                              ----               ----
<S>                                         <C>                <C>      
Fund A: Tyco International Share Fund
- -------------------------------------
         Units                              6,862,126*         7,784,288
         Unit Value                       $     19.74        $     10.48
         Cash                             $   135,812        $    46,862
                                         
Fund B: Intermediate Bond Fund       
- ------------------------------    
         Shares                               807,166            780,582
         Market Value                     $     10.17        $     10.08
         Cash                             $     7,680        $    30,426
                                         
Fund C: Disciplined Equity Fund
- -------------------------------          
         Shares                               823,095*           727,728
         Market Value                     $     25.86        $     22.04
         Cash                             $    21,670        $    12,015
                                         
Fund D: Cash Management Fund   
- ----------------------------          
         Shares                            22,529,695*        20,673,913
         Market Value                     $      1.00        $      1.00
         Cash                             $    12,795        $     7,854
                                         
</TABLE>

                                       11






<PAGE>   15



                    NOTES TO FINANCIAL STATEMENTS, Continued
                                -----------------

4.       INVESTMENTS, Continued
         ----------- 
<TABLE>
<CAPTION>
                                       1997            1996
                                       ----            ----
<S>                                  <C>            <C>    
Fund E: Balanced Fund
- ---------------------
         Shares                       198,518        137,234
         Market Value                $  19.38       $  17.24
         Cash                        $  2,800       $  1,570

Fund F: Aggressive Equity Fund
- ------------------------------
         Shares                       205,849        144,395
         Market Value                $  46.63       $  42.15
         Cash                        $  5,715       $     40

Fund G: Global Equity Fund
- --------------------------
         Shares                       127,908         90,236
         Market Value                $  15.95       $  15.39
         Cash                        $  1,479       $     22
</TABLE>

         * Represents at least 5% of net assets available for benefits at
         December 31, 1997.

         The Trustee maintains a minimal amount of cash within each fund. The
         cash balances arise from the timing of the securities transactions, and
         are not held for extensive amounts of time.

5.       FEDERAL INCOME TAX STATUS
         -------------------------

         On November 21, 1995, a favorable updated determination letter was
         received from the IRS stating that the Plan is qualified under Sections
         401(a) and 401(k) of the Internal Revenue Code and, therefore, the
         trust established under the Plan is exempt from Federal income tax
         under Section 501(a) of the Code. As long as the Plan is qualified
         under the tax laws, participants will not be taxed currently on Company
         contributions and before tax participant contributions to the
         Plan or on income earned by the Trust Fund. When a participant,
         beneficiary or estate of a participant receives a distribution under
         the Plan, such distribution is taxable, except to the extent such
         distribution represents the return of the participant's own after-tax
         contributions. The tax treatment of the balance of such distribution
         depends on the form and time of payment.

6.       PRIORITIES UPON TERMINATION OF THE PLAN
         ---------------------------------------

         The Company can amend the Plan at any time and any amendment may be
         given retroactive effect as the Company may determine, except for the
         return of Company contributions under certain circumstances. The assets
         of the Plan must be used exclusively for the benefit of participants
         and their beneficiaries, and no participant may be deprived of any
         vested interest under the Plan. The Plan may be terminated or
         contributions under the Plan may be permanently discontinued at any
         time by the Company, in which event the Trustee will continue to act
         until the Plan's assets shall have been distributed in accordance with
         the Plan. Upon termination or discontinuance of the Plan, participants
         shall fully vest in the Plan.


                                       12


<PAGE>   16



                    NOTES TO FINANCIAL STATEMENTS, Continued
                               -------------------

7.      RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500
        ---------------------------------------------------
        The following is a reconciliation of net assets available for benefits
        per the financial statements to the Form 5500:

       <TABLE>
       <CAPTION>
                                               December 31,         December 31,
                                                   1997                 1996
                                                   ----                 ----
       <S>                                    <C>                  <C>
       Net assets available for benefits
        per the financial statements           $ 209,915,340        $ 140,839,710

       Amounts allocated to withdrawing
        participants                                 (11,888)             (26,595)
                                               -------------        -------------

       Net assets available for benefits
        per the Form 5500                      $ 209,903,452        $ 140,813,115
                                               =============        =============
       </TABLE>
      
       The following is a reconciliation of benefits paid to participants per
       the financial statements to the Form 5500:
        <TABLE>
        <CAPTION>
                                                   December 31,        December 31,
                                                       1997                 1996
                                                       ----                 ----
       <S>                                          <C>                 <C>
       Benefits paid to participants per
        the financial statements                    $ 21,649,876        $ 17,919,074

       Add: Amounts allocated to withdrawing
           participants at December 31,
           1997 and 1996                                  11,888              26,595

       Less: Amounts allocated to withdrawing
           participants at December 31,
           1996 and 1995                                 (26,595)            (61,235)
                                                    ------------        ------------
 
       Benefits paid to participants per the
         Form 5500                                  $ 21,635,169        $ 17,884,434
                                                    ============        ============
       </TABLE>
 
 
 
       Amounts allocated to withdrawing participants are recorded on the Form
       5500 for benefit claims that have been processed and approved for
       payment prior to December 31, 1997 and 1996 but not yet paid as of that
       date. The Plan's financial statements reflect amounts allocated to
       withdrawing participants for benefit claims when paid (see Note 2).
 
 
 
 
                                       13
 
 
<PAGE>   17





                    NOTES TO FINANCIAL STATEMENTS, Continued
                              ---------------------



8.       RELATED PARTY TRANSACTIONS
         ---------------------------

         For the Plan year ended December 31, 1996 and prior to July, 1997, Fund
         A - ADT Limited Share Fund invested in common shares of ADT Limited,
         the ultimate parent of the Company. As such, these transactions
         qualified as parties-in-interest. The Plan purchased common shares of
         ADT Limited amounting to $3,841,468 during 1996. The Plan sold common
         shares of ADT Limited amounting to $8,664,990 and $2,588,148 during
         1997 and 1996, respectively.

         On July 2, 1997, a wholly-owned subsidiary of what was formerly called
         ADT Limited (`ADT') merged with Tyco International, Ltd. Upon
         consummation of the merger, ADT (the surviving corporation) changed its
         name to Tyco International Ltd. Shareholders of ADT, through a reverse
         stock split, received 0.48133 shares of the Tyco International common
         stock for each share of ADT common stock outstanding. Effective with
         the merger on July 2, 1997, the investment in common shares of ADT
         Limited were exchanged for common shares of Tyco International Ltd. As
         such, these transactions qualify as parties-in-interest. During 1997,
         the Plan purchased common shares of Tyco International Ltd. Amounting
         to $3,228,343 and sold common shares of Tyco International Ltd.
         amounting to $5,661,464.


9.       SUBSEQUENT EVENTS
         ------------------

         On March 6, 1998, the Tyco Retirement Committee voted to merge the
         assets of the ADT Security Systems, Inc. Profit Sharing and Savings
         Plan with the assets of the Tyco International (US) Inc. Retirement
         Savings and Investment Plan IV as of midnight, December 31, 1998.

         The Tyco International (US) Inc. Retirement Savings and Investment Plan
         IV is a defined contribution plan sponsored by Tyco International (US)
         Inc. and is available to certain salaried and non-union hourly
         employees of Tyco affiliated companies. The affiliated companies that
         participate in the Plan are wholly-owned subsidiaries of Tyco. The Plan
         is subject to the provisions of the Employee Retirement Income Security
         Act of 1974. The Plan participates in the Tyco International (US) Inc.
         Retirement Savings & Investment Plans Master Trust with other Tyco
         sponsored defined contribution plans. Selected plan provisions are
         described as follows.

         Plan participants must be at least eighteen years old and have
         completed 90 days of service with the participating employer.
         Participants make a minimum voluntary contribution and may increase
         their voluntary contributions up to a certain limit of compensation.
         Certain voluntary contributions are matched by the Company. Certain
         additional employer contributions are made based on the participants'
         years of services, in accordance with the terms of the Plan agreement.
         Participants are immediately vested in their contributions plus actual
         earnings thereon. Vesting in the Company's contribution portion of
         their accounts plus actual earnings thereon is based on years of
         continuous service. A participant is 100 percent vested after five
         years of credited service. Amounts forfeited prior to vesting are used
         to pay Plan expenses.

         Plan participants are able to direct the investment of their Plan
         holdings into the following investment options on a daily basis: Stable
         Value Fund is invested in Interest Income Fund I which is comprised of
         insurance contracts and common trust funds; Balanced Fund is invested
         in Fidelity's Puritan Fund; Bond Fund is invested in The Bond Fund of
         America; Growth and Income Fund is invested in Neuberger and Berman's
         Guardian Trust Fund; Growth Fund is invested in Fidelity's Growth Fund;
         and Company Stock Fund is invested in Tyco International Ltd. Stock
         Fund. In addition to the above investment options, the Tyco Retirement
         Committee approved the addition of new investment options effective
         August 1, 1998, as follows: Growth Opportunistic Fund will invest in
         PIMCO's Capital Appreciation Fund; Growth Small Cap Fund will invest in
         Franklin's Small Cap Fund; Growth Index Fund will invest in Fidelity's
         US Spartan Equity Index Fund; International Equities Fund will invest
         in Templeton's Foreign Fund; and Asset Allocation Fund will invest in
         Fidelity's Freedom Funds.



                                       14





<PAGE>   18
9.       SUBSEQUENT EVENTS, Continued
         -----------------

         Participants are allowed to borrow from their account. The minimum
         amount that a participant may borrow is $1,000. The maximum amount that
         a participant may borrow is the least of: (a) 100% of participant
         contributions plus earnings thereon; (b) 50% of the participant's
         vested balance; or (c) $50,000 less the highest loan balance
         outstanding in the previous twelve months. The interest rate on loans
         will be the prime rate as published by the Wall Street Journal at the
         time of the loan plus 1%. Loans must be repaid by payroll deductions
         and upon termination of service, all loans must be repaid in full.













                                      15
<PAGE>   19

                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
           Item 27A - Schedule of Assets Held for Investment Purposes

<TABLE>
<CAPTION>

                                                                 Fair Value                               Cost
                                                       -------------------------------       ------------------------------
                                                       December 31,       December 31,       December 31,      December 31,
                                                           1997               1996              1997               1996
                                                           ----               ----              ----               ----
<S>                                                    <C>                <C>               <C>               <C>        
FUND A:
Tyco International Ltd. Share Fund (rates
  of return for the six months ended
  December 31, 1997 were 30.49%)
  ADT Limited Share Fund (rates of return for the
  six months ended June 30, 1997 were 42.49%
  and for the year ended December 31, 1996
  were 50.44%)                                         $134,260,008       $80,875,500       $71,876,286       $42,088,788

Dreyfus Cash Management Class A Fund
 (Effective interest rate for the years ended
  December 31, 1997 and 1996 were 5.56%
  and 5.42%, respectively)                                1,334,171           750,700         1,334,171           750,700
                                                       ------------       -----------       -----------       -----------

                                                       $135,594,179       $81,626,200       $73,210,457       $42,839,488
                                                       ============       ===========       ===========       ===========
FUND B:
Fidelity Commonwealth Trust Intermediate Bond
Fund (rate of return for the years ended
December 31, 1997 and 1996 were 7.55% and
 4.3%, respectively)                                   $  8,216,558       $ 7,898,693       $ 8,205,171       $ 7,999,429

FUND C:
Fidelity Capital Trust Disciplined Equity Fund
(rate of return for the years ended December 31,
 1997 and 1996 were 33.36% and 29.69%, 
 respectively)                                         $ 21,306,907       $16,051,140       $19,427,696       $16,336,798

FUND D:
Dreyfus Cash Management Class A Fund
 (effective interest rate for the years ended
  December 31, 1997 and 1996 were 5.56% and
  5.42%, respectively)                                 $ 22,542,490       $20,681,767       $22,542,490       $20,681,767

FUND E:
Fidelity Puritan Fund (rate of return for the
  years ended December 31, 1997 and 1996
 were 21.71% and 17.97%, respectively)                 $  3,850,079       $ 2,367,484       $ 3,647,409       $ 2,343,150

FUND F:
Fidelity ContraFund Inc. (rate of return
 for the years ended December 31, 1997
 and 1996 were 22.84% and 31.16%,
 respectively)                                         $  9,604,454       $ 6,086,289       $ 9,075,269       $ 5,766,012

FUND G:
Fidelity Investment Trust Worldwide Fund
(rate of return for the years ended
 December 31, 1997 and 1996 were 12.15%
 and 18.91%, respectively)                             $  2,041,612       $ 1,388,754       $ 2,059,639       $ 1,318,387
</TABLE>


                                      16
                                      


<PAGE>   20



                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
      Item 27A - Schedule of Assets Held for Investment Purposes, Continued


<TABLE>
<CAPTION>
                                                        Fair Value                       Cost
                                          ------------------------------    ------------------------------        
                                          December 31,      December 31,    December 31,      December 31,
                                              1997             1996             1997              1996
                                              ----             ----             ----              ----
<S>                                      <C>              <C>              <C>              <C>       
PARTICIPANT LOANS:
ADT Participant Loans (interest rate of 
9.25% - 9.50% for the year ended 
December 31, 1997 and 9.25% - 9.50%
for the year ended December 31, 1996       $7,199,957       $4,955,194            --                --
</TABLE>




                                       17




<PAGE>   21


                           ADT SECURITY SERVICES, INC.
                        PROFIT SHARINGS AND SAVINGS PLAN
                 Item 27D - Schedule of Reportable Transactions
                      for the year ended December 31, 1997
                               ------------------


<TABLE>
<CAPTION>

                                           Purchases                                                     Sales                    
                                -------------------------------              -----------------------------------------------------
                                 Number of          Transaction   Expenses   Number of    Transaction                      NetGain
Description of Asset            Transactions          Amount      Incurred   Transaction     Amount            Cost         (Loss)
- --------------------            ------------          ------      --------   -----------     ------            ----         ------
<S>                             <C>                 <C>           <C>        <C>          <C>               <C>           <C>
Series Transactions:                 
                                     
ADT Limited Share Fund                    --               --        --          10       $ 8,664,990       $ 3,312,096   $5,352,894
                                     
Tyco International Ltd,             
  MA Common Stock                          10       $ 3,228,343    $2,837         5       $ 5,661,464       $ 1,718,742   $3,942,722
                                     
Dreyfus Cash Management              
    Class A Fund                          258       $41,166,200      --         300       $38,730,766       $38,730,766         --
                                     
Fidelity Capital Trust               
  Disciplined Equity Fund                 110       $ 7,842,607      --         140       $ 5,371,708       $ 5,371,708         --
                                     
Fidelity ContraFund, Inc.                 149       $ 7,250,290      --         101       $ 4,476,291       $ 4,476,291         --
</TABLE>



                                       18


<PAGE>   22


                           ADT SECURITY SERVICES, INC.
                         PROFIT SHARING AND SAVINGS PLAN
                        Item 27E - Schedule of Non-Exempt
                         Transactions for the year ended
                                December 31, 1997


<TABLE>
<CAPTION>
                                                              Purchases                              Sales                      
                                                              ---------                  ---------------------------
Name                                Affiliation                  Cost                    Sales Price       Gain/Loss     Expenses
- ----                                -----------                  ----                    -----------       ---------     --------
<S>                                 <C>                       <C>                       <C>                <C>           <C>    

ADT, Ltd. Share Fund                Ultimate Parent
                                    of ADT Security
                                    Services, Inc.
                                    (Plan
                                     Administrator)                                     $37,274,051            -            -

Tyco International Ltd.            Ultimate Parent
  New MA Common Stock               of ADT Security
                                    Services, Inc.
                                    (Plan
                                    Administrator)            $37,274,051                    -                 -            -
</TABLE>



                                       19




<PAGE>   1


                       CONSENT OF INDEPENDENT ACCOUNTANTS


ADT Security Services, Inc.
   Profit Sharing and Savings Plan:



We consent to the incorporation by reference in the Registration Statement of
ADT Security Services, Inc. Profit Sharing and Savings Plan on Form S-8 (File
No. 33-26970) of our report dated June 30, 1998 on our audits of the financial
statements and financial statement schedules of ADT Security Systems, Inc.
Profit Sharing and Savings Plan as of and for the years ended December 31, 1997
and 1996, which report is included in this Annual Report on Form 11-K.




Coopers & Lybrand, L.L.P
Denver, Colorado
June 30, 1998




                                       19





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