PMC SIERRA INC
10-Q/A, 1999-02-10
SEMICONDUCTORS & RELATED DEVICES
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                 ----------------------------------------------

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549
                                  Form 10 - Q/A - 1

             [X] Quarterly Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                  for the quarterly period ended June 28, 1998

                        [ ] 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 0-19084

                                PMC-Sierra, Inc.
             (Exact name of registrant as specified in its charter)

                 A Delaware Corporation - I.R.S. NO. 94-2925073

                              105-8555 BAXTER PLACE
                       BURNABY, BRITISH COLUMBIA, V5A 4V7
                                     CANADA

                            Telephone (604) 415-6000

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 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 _______


             Common shares outstanding at June 28, 1998 - 30,672,754


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


<PAGE>




This Amendment on Form 10-Q/A amends the  Registrant's  Quarterly Report on Form
10-Q, as filed by the  Registrant  for the quarter  ending June 28, 1998, and is
being  filed  to  reflect  the   restatement  of  the   Registrant's   condensed
consolidated  financial  statements.  See  "Restatement  of Quarterly  Financial
Statements" in Notes to the Consolidated  Financial  Statements for a discussion
of the basis for such restatement.

                                      INDEX


                                                                         Page

PART I - FINANCIAL INFORMATION

Item 1.          Financial Statements

          -      Consolidated statements of operations (restated)         

          -      Consolidated balance sheets (restated)                   

          -      Consolidated statements of cash flows (restated)         

          -      Notes to consolidated financial statements (restated)    

Item 2.   Management's Discussion and Analysis of Financial
          Condition and Results of Operations (restated)                 


PART II - OTHER INFORMATION

Item 2.   Changes in Securities and Use of Proceeds                      

Item 4.   Submission of Matters to a Vote by Stockholders                

Item 5.   Other Information - Description of Capital Stock               

Item 6.   Exhibits and Reports on Form 8 - K                             





<PAGE>


                         Part I - FINANCIAL INFORMATION
                          Item 1 - Financial Statements

<TABLE>
                                PMC-Sierra, Inc.
                      CONSOLIDATED STATEMENTS OF OPERATIONS
                  (in thousands, except for per share amounts)
                                   (unaudited)
<CAPTION>
                                                                Three Months Ended         Six Months Ended
                                                             -----------------------   ------------------------
                                                               Jun 28,      Jun 30,       Jun 28,      Jun 30,
                                                                 1998         1997          1998         1997
                                                             (restated -                (restated -
                                                              see note 2)               see note 2)
                                                                                        
<S>                                                           <C>          <C>           <C>          <C>      
Net revenues                                                  $  39,975    $  34,064     $  74,270    $  67,638
Cost of revenues                                                  9,968        9,613        18,103       19,464
                                                             -----------  -----------   -----------  -----------
  Gross profit                                                   30,007       24,451        56,167       48,174
                                                                         
Other costs and expenses:                                                
  Research and development                                        7,820        5,308        13,836       11,348
  Marketing, general and administrative                           7,435        6,614        13,557       12,915
  Acquisition of in process research and development             39,176            -        39,176            -
                                                             -----------  -----------   -----------  -----------
Income (loss) from operations                                   (24,424)      12,529       (10,402)      23,911
                                                                         
Interest income, net                                                750          232         1,574          157
                                                             -----------  -----------   -----------  -----------
Income (loss) before provision for income taxes                 (23,674)      12,761        (8,828)      24,068
                                                                         
Provision for income taxes                                        5,639        3,829        10,836        6,656
                                                             -----------  -----------   -----------  -----------
                                                                         
Net income (loss)                                             $ (29,313)   $   8,932     $ (19,664)   $  17,412
                                                             ===========  ===========   ===========  ===========
                                                                         
Basic net income (loss) per share                             $   (0.92)   $    0.29     $   (0.62)   $    0.56
                                                             ===========  ===========   ===========  ===========
                                                                         
Diluted net income (loss) per share                           $   (0.92)   $    0.28     $   (0.62)   $    0.54
                                                             ===========  ===========   ===========  ===========
                                                                         
Shares used to calculate:                                                
  Basic net income(loss) per share                               31,829       30,918        31,677       30,846
  Diluted net income (loss) per share                            31,829       32,374        31,677       32,135
                                                                         
See notes to consolidated financial statements.                          
                                                                        
</TABLE>



<PAGE>

                                PMC-Sierra, Inc.
                           CONSOLIDATED BALANCE SHEETS
                                 (in thousands)

                                                           Jun 28,      Dec 28,
                                                             1998         1997
                                                         (unaudited)
                                                         (restated -
                                                          see note 2)
ASSETS:
Current assets:
  Cash and cash equivalents                               $  60,872   $  27,906
  Short-term investments                                          -      41,334
  Accounts receivable, net                                   20,858      15,103
  Inventories                                                 6,212       3,199
  Prepaid expenses and other current assets                   3,986       1,958
  Short-term deposits for wafer fabrication capacity              -       4,000
                                                         ----------- -----------
    Total current assets                                     91,928      93,500

Property and equipment, net                                  26,430      19,699
Goodwill and other intangible assets, net                    26,136       8,635
Investments and other assets                                  4,517       4,424
Deposits for wafer fabrication capacity                      23,120      23,120
                                                         ----------- -----------
                                                          $ 172,131   $ 149,378
                                                         =========== ===========

LIABILITIES AND SHAREHOLDERS' EQUITY:
Current liabilities:
  Accounts payable                                        $   9,434   $   7,421
  Accrued liabilities                                        22,454      13,751
  Accrued income taxes                                       10,154       8,780
  Current portion of obligations under capital leases
    and long-term debt                                        5,093       4,652
  Net liabilities of discontinued operations                    249         301
                                                         ----------- -----------
    Total current liabilities                                47,384      34,905

Deferred income taxes                                         3,958       4,023
Noncurrent obligations under capital leases and
  long-term debt                                              7,645       9,092

Special shares convertible into PMC common stock              8,758      10,793

Shareholders' equity:
  Common stock, par value $0.001                                 30          30
  Additional paid in capital                                176,638     143,153
  Accumulated deficit                                       (72,282)    (52,618)
                                                         ----------- -----------
    Total shareholders' equity                              104,386      90,565
                                                         ----------- -----------
                                                          $ 172,131   $ 149,378
                                                         =========== ===========

See notes to consolidated financial statements.



<PAGE>

<TABLE>
                                     PMC-Sierra, Inc.
                           CONSOLIDATED STATEMENTS OF CASH FLOWS
                                      (in thousands)
                                        (unaudited)
<CAPTION>
                                                                                      Six Months Ended
                                                                                ---------------------------
                                                                                   Jun 28,        Jun 30,
                                                                                    1998            1997
                                                                                (restated -
                                                                                 see note 2)

<S>                                                                               <C>             <C>     
Cash flows from operating activities:
  Net income (loss)                                                               $ (19,664)      $ 17,412
  Adjustments to reconcile net income to net cash
  provided by operating activities:
    Depreciation and amortization                                                     5,519          4,088
    Acquisition of in process research and development                               39,176              -
    Changes in assets and liabilities
      Accounts receivable                                                            (4,492)        (3,048)
      Inventories                                                                    (2,458)         5,221
      Prepaid expenses and other                                                     (1,754)        (1,533)
      Accounts payable and accrued expenses                                           8,925          1,838
      Accrued restructuring costs                                                         -         (7,569)
      Net assets/liabilities associated with discontinued operations                    (52)          (160)
                                                                                ------------   ------------
        Net cash provided by operating activities                                    25,200         16,249
                                                                                ------------   ------------

Cash flows from investing activities:
  Proceeds from sales/maturities of short-term investments                           43,442         12,039
  Purchases of short-term investments                                                (2,108)       (19,138)
  Proceeds from refund of wafer fabrication deposits                                  4,000              -
  Investments in other companies                                                          -         (3,000)
  Payment for purchase of Integrated Telecom Technology, Inc.,
    net of cash acquired                                                            (27,165)             -
  Purchase of other in process research and development                              (1,419)             -
  Proceeds from sale of equipment                                                         -          2,483
  Purchases of plant and equipment                                                   (9,636)        (3,303)
                                                                                ------------   ------------
        Net cash provided by (used in) investing activities                           7,114        (10,919)
                                                                                ------------   ------------

Cash flows from financing activities:
  Repayment of notes payable and long-term debt                                        (116)        (1,157)
  Proceeds from sale/leaseback of equipment                                               -          1,107
  Principal payments under capital lease obligations                                 (2,461)        (2,004)
  Proceeds from issuance of common stock                                              3,229          2,530
                                                                                ------------   ------------
        Net cash provided by financing activities                                       652            476
                                                                                ------------   ------------

Net increase in cash and cash equivalents                                            32,966          5,806
Cash and cash equivalents, beginning of the period                                   27,906         35,038
                                                                                ------------   ------------
Cash and cash equivalents, end of the period                                       $ 60,872       $ 40,844
                                                                                ============   ============

See notes to consolidated financial statements.
</TABLE>


<PAGE>


                                PMC-SIERRA, INC.

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.   Basis of Presentation

     The accompanying  financial  statements have been prepared  pursuant to the
     rules and  regulations of the Securities and Exchange  Commission  ("SEC").
     Certain  information and footnote  disclosures  normally included in annual
     financial   statements  prepared  in  accordance  with  generally  accepted
     accounting  principles  have been  condensed  or omitted  pursuant to those
     rules or regulations.  The interim financial statements are unaudited,  but
     reflect all adjustments which are, in the opinion of management,  necessary
     to present a fair statement of results for the interim  periods  presented.
     These financial statements should be read in conjunction with the financial
     statements  and the notes  thereto in the  Company's  Annual Report on Form
     10-K for the year ended  December 28, 1997.  The results of operations  for
     the three and six months ended June 28, 1998 are not necessarily indicative
     of results to be expected in future periods.

2.   Restatement of Quarterly Financial Statements

     Subsequent  to the  issuance of the  Company's  June 28, 1998  consolidated
     financial  statements,  the Securities and Exchange  Commission  issued new
     guidance  related to the valuation of in process  research and  development
     ("IPR&D") in purchase  transactions.  The Company has considered the impact
     of this  new  guidance  on the  valuation  of  purchased  IPR&D  and  other
     intangibles  acquired in  connection  with the  acquisition  of  Integrated
     Telecom Technology, Inc. ("IGT") in May, 1998 (see note 3).

     The Company's  initial  calculations to value the acquired IPR&D were based
     upon a methodology that focused on the after-tax cash flows attributable to
     the technology on an overall basis,  without regard for stage of completion
     of individual projects,  and the selection of an appropriate rate of return
     to  reflect  the risk  associated  with  the  stage  of  completion  of the
     technology.  This methodology  conformed to generally  accepted  accounting
     principles applied in accordance with then established industry practice.

     Based on a revaluation  performed  using the  methodology  set forth in the
     SEC's September 1998 letter to the American  Institute of Certified  Public
     Accountants  (`AICPA'),  the  Company has  adjusted  the amount of purchase
     price allocated to IPR&D. As a result of the revised valuation,  the charge
     for IPR&D was decreased by $11.7 to $37.8 million,  the amount  ascribed to
     other   intangible   assets  increased  from  $6.4  to  $18.1  million  and
     amortization increased by $160,000 for the quarter.



<PAGE>


     The  restatement   resulted  in  the  following  impact  on  the  Company's
     previously  reported  results  of  operations  for the  three and six month
     periods ended June 28, 1998:

                      (in thousands except per share data)

Statement of Operations:
                                                   Three Months     Six Months
                                                      Ended            Ended
                                                      Jun 28,         Jun 28,
                                                       1998            1998

Net loss
As previously reported                                  (40,823)        (31,174)
Adjustment related to acquired in-process R&D
  and intangible assets                                  11,670          11,670
Adjustment related to additional amortization
  of intangible assets                                     (160)           (160)
                                                  --------------  --------------

Restated                                                (29,313)        (19,664)
                                                  ==============  ==============

Net loss per share - basic and diluted
As previously reported                                  $ (1.28)        $ (0.98)
Adjustment related to acquired in-process R&D
  and intangible assets                                    0.37            0.37
Adjustment related to additional amortization
  of intangible assets                                    (0.01)          (0.01)
                                                  --------------  --------------

Restated                                                $ (0.92)        $ (0.62)
                                                  ==============  ==============


Balance Sheet:                                             June 28, 1998
                                                  ------------------------------
                                                  (as restated)     (previously
                                                                      reported)
Goodwill and other intangible assets,  net               26,136          14,626
Total assets                                            172,131         160,621
Total shareholders' equity                              104,386          92,876



<PAGE>



3.   Acquisition of Integrated Telecom Technology

     On May 20, 1998, the Company acquired Integrated Telecom  Technology,  Inc.
     ("IGT") in exchange for total  consideration of $55.0 million consisting of
     cash paid to IGT stockholders of $17.8 million,  cash paid to IGT creditors
     of $9.0 million and the issuance of approximately  415,000 shares of common
     stock and options to purchase approximately 214,000 shares of common stock.
     The purchase price includes professional fees and other direct costs of the
     acquisition  totaling  $850,000.  IGT is a  fabless  semiconductor  company
     headquartered in Gaithersburg,  MD with a development site in San Jose, CA.
     IGT makes Asynchronous Transfer Mode (ATM) switching chipsets for wide area
     network applications as well as ATM  Segmentation-and-Reassembly  and other
     telecommunication  chips.  Upon  consumation  of the  transaction,  IGT was
     merged with a wholly owned subsidiary of the Company.

     The  acquisition  was recorded under the purchase  method of accounting and
     the final allocation  among tangible and intangible  assets and liabilities
     is as follows:


              Tangible assets                           $  4,598

              Intangible assets:
                     Developed and core technology         7,830
                     Assembled workforce                   1,050
                     Goodwill                              9,284

              In process technology                       37,757

              Liabilities                                 (4,669)
                                                      -----------
                                                        $ 55,850
                                                      ===========


     The revised valuation was based on management's  estimates of the after tax
     net cash flows and gives explicit consideration to the SEC's views on IPR&D
     in purchase  transactions.  In making the  allocation of purchase  price to
     IPR&D,  the Company  considered the present value of forecasted  cash flows
     and income that were expected to result from the projects in process at the
     time of the acquisition,  the status of these projects and their completion
     costs and project risk. Specifically,  the Company considered (1) the value
     of core  technology  and  ensured  that the  relative  allocations  to core
     technology  and in process  technology  were  consistent  with the relative
     contributions  of each of the final projects and (2) stage of completion of
     the  individual  projects  and ensured that the value  considered  only the
     efforts completed as of the transaction date.

     The revised  amount  allocated to IPR&D of $37.8  million was expensed upon
     acquisition,  as it was  determined  that the  underlying  projects had not
     reached  technological  feasibility,  had no  alternative  future  use  and
     successful development was uncertain.

     As at the acquisition date, IGT had three  development  projects which were
     in  process.  These  projects  included  an ATM  switching  chipset and two
     different types of  segmentation  and reassembly  chips  ("SARs").  IGT had
     developed  SARs in the past and  appropriate  recognition  was given in the
     valuation to the developed and core technology  underpinning the in process
     SAR  development  projects.  The  SARs  were  estimated  to be 66%  and 83%
     developed at the time of the acquisition.  The ATM switching chipset was an
     entirely new development effort and was estimated to be 78% complete at the
     time of  purchase.  The  Company  will  only  benefit  from the  IPR&D  and
     intangible  assets  related  to  these  projects  when it  begins  shipping
     products to  customers.  Failure to reach  successful  completion  of these
     projects  could  result  in  impairment  of  the   associated   capitalized
     intangible  assets and could  require  the Company to  accelerate  the time
     period over which the intangibles are being  amortized,  which could have a
     material and adverse affect on the Company's results of operations.
<PAGE>

     The  operating  results  of IGT  have  been  included  in the  consolidated
     statements since the date of acquisition.  The following table presents the
     unaudited  pro forma  results  of  operations  for  informational  purposes
     assuming that the Company had acquired IGT at the beginning of the 1998 and
     1997 fiscal years.  This  information  may not necessarily be indicative of
     the future combined results of operations of the Company.

                                                      Six Months Ended
                                                ----------------------------
                                                  June 28,        June 30,
                                                   1998            1997
                                                (restated -     (restated - 
(in thousands, except for per share amounts)     see note 2)     see note 2)
                                                               
Net revenues                                       $78,579        $74,305
                                                               
Net income                                         $14,499        $14,168
                                                               
Basic net income per share:                         $ 0.45         $ 0.45
                                                               
Diluted net income per share:                       $ 0.42         $ 0.43
                                                                

     The pro forma  results of  operations  give effect to certain  adjustments,
     including  amortization of purchased  intangibles  and goodwill.  The $37.8
     million  charge for purchased in process  technology has been excluded from
     the pro forma results, as it is a material non-recurring charge.

4.   On May 1, 1998 a subsidiary of the Company acquired certain  technology for
     cash  consideration  of $1.4  million.  This  technology  has  not  reached
     technological  feasibility and has no alternative future use.  Accordingly,
     this amount is included in the in process research and development expensed
     in the three months ended June 28, 1998.

5.   The components of inventories are as follows (in thousands):


                                           Jun 28,      Dec 28,
                                            1998          1997
                                        (unaudited)
              
              Work-in-progress             $ 2,103       $ 2,316
              Finished goods                 4,109           883
                                       ------------  ------------
                                           $ 6,212       $ 3,199
                                       ============  ============
       
<PAGE>

6.   Recently Issued Accounting Standards

- -    Effective  January 1, 1998,  the Company  adopted  Statement  of  Financial
     Accounting  Standards ("SFAS") No. 130, "Reporting  Comprehensive  Income".
     SFAS No. 130 requires disclosure of comprehensive income in interim periods
     and additional  disclosures of the components of comprehensive income on an
     annual basis.  Comprehensive income includes all changes in equity during a
     period except those resulting from investments by and  distributions to the
     Company's  shareholders.  For the quarters ended June 28, 1998 and June 30,
     1997,   there  were  no  material   differences   between   the   Company's
     comprehensive income and net income.

- -    In June 1997, the Financial  Accounting Standards Board issued Statement of
     Financial Accounting  Standards No. 131,  "Disclosures about Segments of an
     Enterprise and Related  Information",  which establishes annual and interim
     reporting  standards  for an  enterprise's  business  segments  and related
     disclosures  about  its  products,  services,  geographic  areas  and major
     customers.  Adoption  of this  statement  will  not  impact  the  Company's
     consolidated  financial position,  results of operations or cash flows. The
     Company will adopt this statement in its financial  statements for the year
     ending December 27, 1998.


<PAGE>


Item 2.        MANAGEMENT'S DISCUSSION AND ANALYSIS OF
              FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The  following  discussion  should  be read in  conjunction  with the  unaudited
consolidated  financial statements and notes thereto included in Part I - Item 1
of this Quarterly Report and the audited  consolidated  financial statements and
notes thereto and  Management's  Discussion  and Analysis in the Company's  1997
Annual Report to Shareholders.

During the second quarter,  the Company acquired  Integrated Telecom Technology,
Inc. ("IGT") in exchange for total  consideration of $55.0 million consisting of
cash paid to IGT  shareholders  of $17.8 million,  cash paid to IGT creditors of
$9.0 million,  the issuance of approximately  415,000 shares of common stock and
options to purchase  approximately  214,000 shares of common stock. The purchase
price includes  professional  fees and other direct costs of the  acquisition of
$850,000.  IGT is a fabless semiconductor company headquartered in Gaithersburg,
MD  with a  development  site in San  Jose,  CA.  The  Company  assumed  current
liabilities totaling $3.1 million,  interest-bearing  obligations in the form of
capital  leases of $1.6  million and  received  tangible  assets of $4.6 million
resulting in tangible net liabilities of $0.1 million.

Subsequent to the issuance of the Company's June 28, 1998 consolidated financial
statements,  the Securities and Exchange  Commission (`SEC') issued new guidance
related to the  valuation of in process  research and  development  (`IPR&D') in
purchase  transactions.  The  Company  has  considered  the  impact  of this new
guidance on the valuation of purchased IPR&D and other  intangibles  acquired in
connection with the acquisition of Integrated Telecom  Technology,  Inc. (`IGT')
in May,  1998  (see note 3 to  Consolidated  Financial  Statements).  Based on a
revaluation  performed using the new SEC  methodology,  the Company has adjusted
the amount of  purchase  price  allocated  to IPR&D.  As a result of the revised
valuation,  the charge for IPR&D was  decreased by $11.7 to $37.8  million,  the
amount ascribed to other intangible  assets increased from $6.4 to $18.1 million
and amortization increased by $160,000 for the quarter.

The  revised  amount  allocated  to IPR&D of $37.8  million  was  expensed  upon
acquisition,  as it was determined that the underlying  products had not reached
technological  feasibility,   had  no  alternative  future  use  and  successful
development was uncertain.  The Company will begin to benefit from the IPR&D and
intangible  assets  related  to these  projects  only when they  begin  shipping
products to customers.  Failure to reach successful completion of these products
could result in impairment of the associated  capitalized  intangible assets and
could  require  the  Company  to  accelerate  the time  period  over  which  the
intangibles are being amortized,  which could have a material and adverse affect
on the Company's results of operations.

Subsequent to the second quarter,  development work on one of the three projects
in process at the time of the acquisition was terminated (see Operating Expenses
and Charges). The Company will file an amendment to its quarterly report on Form
10Q/A for its third quarter reflecting that impairment.

Certain statements in this Report constitute  "forward-looking  statements" with
the meaning of the federal securities laws. The actual results,  performance, or
achievements of the Company may be materially  different from those expressed or
implied by such  forward-looking  statements.  Reference to the Company includes
its  subsidiary   PMC-Sierra   Ltd.,  a  Canadian   corporation  and  its  other
subsidiaries.  The forward-looking  statements include  projections  relating to
trends  in  markets,   revenues,  and  particularly  expectations  of  long-term
revenues,  gross margin,  and future  expenditures on research and  development,
marketing,  general and  administrative  expense  and the year 2000  issue.  The
Company  undertakes  no  obligation  to  release  revisions  to  forward-looking
statements to reflect subsequent events.

<PAGE>

Results of Operations

Second Quarters of 1998 and 1997

Net Revenues ($000,000)
- -----------------------
                                      Second Quarter
                                 -----------------------
                                    1998         1997         Change

Networking products                   $32.6       $21.3         53%
User Interface                          7.4        12.8        (42%)
                                 -----------  ----------
Total net revenues                    $40.0       $34.1         17%
                                 ===========  ==========


Second quarter  networking product revenue increased 53% over last year's second
quarter.  During the second  quarter the  Company  acquired  Integrated  Telecom
Technology,  Inc.  ("IGT") which accounted for $1.3 million of the $32.6 million
in networking product revenue.

User  interface  revenue  declined  42% in the second  quarter  compared to last
year's second  quarter.  All new product  development  related to user interface
products was discontinued  following a third quarter 1996 strategic  decision to
focus all of the Company's resources on networking products. Revenues related to
user  interface  products  are expected to decline  significantly  in the coming
quarter but continue at meaningful levels into 1999.


Gross Profit ($000,000)
- -----------------------
                                        Second Quarter
                                    -----------------------
                                       1998        1997         Change

Gross profit                            $30.0       $24.5         22%
   Percentage of net revenues             75%         72%


Gross profit  increased  in dollars and as a  percentage  of net revenues in the
second quarter  compared to the prior year's second quarter.  Increased sales of
higher  gross  margin  networking  products  more than offset a decline in gross
profit due to lower revenues from the Company's user interface products.

The Company expects that networking  gross profits as a percentage of networking
net revenues will decline if anticipated  decreases in average selling prices of
existing  networking  products  are not  offset by  commensurate  reductions  in
production  costs.  Gross margins  associated with IGT products are, on average,
lower than the Company's  internally  developed  networking  products but higher
than user interface products.


<PAGE>



Operating Expenses and Charges ($000,000)
- -----------------------------------------

                                             Second Quarter
                                        -----------------------
                                           1998         1997         Change

Research and development                    $7.8         $5.3          47%
Percentage of net revenues                   20%          16%

In process research and development        $39.2           -

Marketing, general & administrative         $7.4         $6.6          12%
Percentage of net revenues                   19%          19%


Research and development  ("R&D") spending of $7.8 million in the second quarter
of 1998 is up significantly over last year's second quarter, both in dollars and
as a percentage of net revenues.  In the near term the Company  expects  further
significant  increases in the percentage of net revenues devoted to R&D spending
in order to respond to the array of opportunities presented by the growth of the
internet and data networking in general, as well as the convergence of voice and
data communications.  Products developed by future incremental R&D spending will
be unlikely to result in incremental net revenues prior to the year 2000 because
of design and marketing lead times.

The Company incurs R&D expenditures in order to attain technological  leadership
from a multi-year perspective.  Such funding has resulted in fluctuations in R&D
spending  from  period  to  period  in  the  past.  The  Company   expects  such
fluctuations,  particularly  when measured as a percentage  of net revenues,  to
occur in the future,  primarily due to the timing of expenditures and changes in
the level of net revenues.

In process  research and development  expenses of $39.2 million were recorded in
the second quarter of 1998 with $37.8 million  related to the acquisition of IGT
and $1.4 million related to the acquisition of technology  which has not reached
technological  feasibility  and has no alternative  future use. In the Company's
original  second quarter  report on Form 10Q, the Company  recorded a charge for
purchased  IPR&D of $49.4 million in connection with the acquisition of IGT. The
revised charge gives explicit  consideration  to the valuation  methodology  set
forth in the SEC's September 1998 letter to the AICPA.

The $37.8 million charge for IPR&D in the IGT acquisition is an allocation based
on the  estimated  fair value of the  risk-adjusted  cash flows related to three
incomplete development projects. At the date of acquisition,  these projects had
not yet reached  technological  feasibility,  had no alternative  future use and
successful development was uncertain.  Accordingly, these costs were expensed as
of the  acquisition  date and were recorded as a one-time  charge to earnings in
the second quarter of 1998.

As at the  acquisition  date, IGT had three  development  projects which were in
process.  These  projects  included an ATM  switching  chipset and two different
types of segmentation and reassembly  chips ("SARs").  IGT had developed SARs in
the past and appropriate recognition was given in the valuation to the developed
technology  underpinning the in process SAR development projects.  The SARs were
estimated  to be 66% and 83%  developed  at the  time  of the  acquisition.  The
switching chipset was an entirely new development effort and was estimated to be
78% complete at the time of purchase.
<PAGE>

Remaining development efforts for these in process projects will include various
phases of design,  development,  and testing.  At the time of  acquisition,  the
Company  anticipated  completion dates for the projects of approximately  six to
nine months,  after which time the Company expected to begin generating economic
benefits from the technologies. Subsequent to the second quarter, development of
the SAR judged to be 66% complete at the time of the acquisition was terminated.
Failure  to reach  successful  completion  of these  products  could  result  in
impairment of the associated capitalized intangible assets and could require the
Company to  accelerate  the time  period  over which the  intangibles  are being
amortized,  which  could have a material  and  adverse  affect on the  Company's
results of operations.

Marketing,  general & administration  expenses were higher in the second quarter
of 1998  than the  comparable  period  in  1997,  but  approximately  equal as a
percentage of net revenues.  A substantial  portion of the Company's  marketing,
general &  administrative  expense is fixed in the short  term.  While it is the
Company's  long term goal to reduce these costs as a percentage  of net revenues
during  periods of rising sales,  a decline in net sales could cause these costs
to increase as a percentage of net revenues.

Interest Income (Expense), Net 
- ------------------------------ 

Net interest  income  increased  to $750,000 in the second  quarter of 1998 from
$232,000 in last year's  second  quarter  primarily  due to higher cash balances
available  to invest and earn  interest  and reduced  interest  expense due to a
lower level of capital leases.


Provision for Income Taxes
- --------------------------

The provision for income taxes consists primarily of estimated taxes on Canadian
and other foreign operations.




<PAGE>

First Six Months of 1998 and 1997

Net Revenues ($000,000)
- -----------------------

                                 First six months
                             -----------------------
                                 1998        1997        Change

Networking products               $60.5       $36.8        64%
User Interface                     13.8        30.8       (55%)
                             -----------  ----------
Total net revenues                $74.3       $67.6        10%
                             ===========  ==========


During the third quarter of 1996 the Company made a strategic  decision to focus
on  networking  products  and  to  discontinue  development  of  user  interface
products.  Accordingly, the total increase in net revenues for the first half of
1998  compared to the prior year is 10%.  Networking  products  grew from 54% of
total net  revenues  in the first half of 1997 to 81% in the first six months of
1998. All sales of the Company's products are denominated in U.S. dollars.


Gross Profit ($000,000)
- -----------------------
                                      First six months
                                   -----------------------
                                      1998        1997       Change

Gross profit                           $56.2       $48.2       17%
   Percentage of net revenues            76%         71%

Gross profit  increased  in both dollars and as a percentage  of net revenues in
the first half of 1998  compared to the first half of 1997.  Increased  sales of
higher gross margin  networking  products  more than offset the decline in gross
profit due to lower net revenues from the Company's User Interface products.


Operating Expenses and Charges ($000,000)
- -----------------------------------------

                                              First six months
                                          ------------------------
                                              1998        1997       Change

Research and development                       $13.8       $11.3       22%
Percentage of net revenues                       19%         17%


In process research and development            $39.2           -
                                               

Marketing, general & administrative            $13.6       $12.9        5%
Percentage of net revenues                       18%         19%


R&D expenses  increased  in both dollars and as a percentage  of net revenues in
the first  half of 1998  compared  to the same  period  in 1997.  All of the R&D
spending in 1998 and  substantially  all of the 1997  spending is related to the
Company's networking products.
<PAGE>

Marketing,  general & administrative expenses increased in dollars and decreased
as a percentage  of net revenues in the first half of 1998 compared to the first
half of 1997.


Liquidity and Capital Resources

The Company's cash and cash equivalents and short term investments declined from
$69.2 million on December 28, 1997 to $60.9 million on June 28, 1998. During the
first six  months of 1998 the  Company's  operating  activities  provided  $25.2
million in cash. Significant investing activities included $27.2 million related
to the  Company's  purchase  of IGT,  $9.6  million  of  purchases  of plant and
equipment and $1.4 million related to the purchase of other in process  research
and development.  During the first half of 1998 the Company received a refund of
$4.0 million of foundry deposits based on its 1997 wafer purchases.

As of June 28, 1998, the Company's  principal sources of liquidity included cash
and cash  equivalents  of $60.9  million and an unused $15.0  million  revolving
credit  facility  put in place  during the quarter.  The Company  believes  that
existing cash and cash equivalents, anticipated funds from operations and access
to its  revolving  line of credit will satisfy the Company's  projected  working
capital  requirements,   anticipated  capital  expenditures  and  capital  lease
payments for the foreseeable future. The Company expects to purchase, or arrange
capital leases for  approximately  $10 - 12 million of new capital  expenditures
over the balance of 1998.

The  Company's  future  capital   requirements  will  depend  on  many  factors,
including,  among others,  product development and acquisitions of complementary
businesses,  products or technologies. To the extent that existing resources and
the funds  generated by future  earnings are  insufficient to fund the Company's
operations,  the Company may need to raise  additional  funds through  public or
private debt or equity  financing.  If additional  funds are raised  through the
issuance of equity securities,  the percentage ownership of current shareholders
will be reduced and such  equity  securities  may have  rights,  preferences  or
privileges  senior to those of the holders of the  Company's  Common  Stock.  No
assurance can be given that  additional  financing will be available or that, if
available,  it can be  obtained  on  terms  favorable  to the  Company  and  its
stockholders.  If adequate funds are not available,  the Company may be required
to delay, limit or eliminate some or all of its proposed operations.





<PAGE>


FACTORS THAT MAY AFFECT FUTURE PERFORMANCE

THE  COMPANY'S  BUSINESS,  FINANCIAL  CONDITION  AND RESULTS OF  OPERATIONS  ARE
SUBJECT TO A NUMBER OF RISKS,  SOME OF WHICH ARE DESCRIBED  BELOW. THE FACT THAT
SOME OF THE RISK  FACTORS  MAY BE THE SAME OR SIMILAR TO THOSE IN THE  COMPANY'S
PAST SEC FILINGS MEANS ONLY THAT THE RISKS ARE PRESENT IN MULTIPLE PERIODS.  THE
COMPANY BELIEVES THAT MANY OF THE RISKS DETAILED HERE AND IN THE COMPANY'S OTHER
SEC FILINGS ARE PART OF DOING BUSINESS IN THE FABLESS  NETWORKING  SEMICONDUCTOR
INDUSTRY  AND WILL  LIKELY BE PRESENT  IN ALL  PERIODS  REPORTED.  THE FACT THAT
CERTAIN  RISKS ARE ENDEMIC TO THE INDUSTRY DOES NOT LESSEN THE  SIGNIFICANCE  OF
THE RISK.


FLUCTUATIONS IN OPERATING RESULTS

The Company's quarterly and annual operating results may vary due to a number of
factors,  including,  among  others,  the timing of new  product  introductions,
decreased  demand or average selling prices for products,  market  acceptance of
products, demand for products of the Company's customers, the general conditions
of the networking industry,  the introduction of products or technologies by the
Company's  competitors,  competitive  pressure on product pricing, the Company's
and  its  customers'  inventory  levels  of  the  Company's  products,   product
availability from outside foundries,  variations in manufacturing yields for the
Company's products,  expenditures for new product and process  development,  the
acquisition  of wafer  fabrication  and other  manufacturing  capacity,  and the
acquisition of  businesses,  products or  technologies.  At various times in the
past,  the Company's  foundry and other  suppliers have  experienced  lower than
anticipated  yields that have adversely affected  production and,  consequently,
the Company.  There can be no assurance  that the  Company's  existing or future
foundry and other suppliers will not experience  irregularities which could have
a material  adverse  effect on the  Company.  The Company  from time to time may
order in advance of anticipated  customer  demand from its suppliers in response
to anticipated  long lead times to obtain  inventory and materials,  which might
result in excess  inventory  levels if expected  orders fail to  materialize  or
other  factors  render the  Company's  product or its  customer's  products less
marketable.  The  Company's  ability to forecast  sales of  networking  chips is
limited  due to  customer  uncertainty  regarding  future  demand  for  end-user
networking  equipment  and  price  competition  in  the  market  for  networking
equipment.  Any delay or  cancellation  of  existing  orders,  or any decline in
projected  future  orders,  by the  Company's  customers  could  have a material
adverse  effect on the Company.  Margins will vary  depending on product mix. In
the longer  term,  the  Company  may  experience  declining  gross  profits as a
percentage  of total net revenues if  anticipated  decreases in average  selling
prices of existing networking products are not offset by commensurate reductions
in product costs, or by an offsetting increase in gross profit contribution from
new, higher gross margin,  networking products.  The Company is also affected by
the state and  direction  of the  electronics  industry  and the  economy in the
United States and other markets the Company serves. The occurrence of any of the
foregoing or other factors could have a material  adverse effect on the Company.
Due to these factors, past results may not be indicative of future results.
<PAGE>

TECHNOLOGICAL CHANGE

The markets for the Company's  products are  characterized by evolving  industry
standards,  rapid technological change and product  obsolescence.  Technological
change  may  be   particularly   pronounced  in  the   developing   markets  for
communications  semiconductor devices used in high-speed networks. The Company's
future  success  will  be  highly  dependent  upon  the  timely  completion  and
introduction of new products at competitive  price and performance  levels.  The
success  of new  products  depends  on a number  of  factors,  including  proper
definition  of such  products,  successful  and  timely  completion  of  product
development and introduction to market, correct judgment with respect to product
demand,  market  acceptance  of  the  Company's  and  its  customers'  products,
fabrication  yields by the  Company's  independent  foundries  and the continued
ability of the Company to offer  innovative new products at competitive  prices.
Many of these  factors are outside the control of the  Company.  There can be no
assurance  that the Company will be able to identify  new product  opportunities
successfully,  develop and bring to market new products,  achieve design wins or
be  able  to  respond  effectively  to  new  technological  changes  or  product
announcements  by others.  A failure in any of these areas would have a material
and adverse affect on the Company.

The Company's  current  strategy is focused on high-speed  networking  interface
chips. Products for telecommunications and data communications  applications are
based on industry standards that are continually evolving. Future transitions in
customer  preferences  could quickly make the  Company's  products  obsolete.  A
material part of the Company's  products are in the ATM  telecommunications  and
networking market, which is in an early stage of development.  The emergence and
adoption of new industry  standards  that compete with ATM or maintenance by the
industry  of  existing  standards  in lieu of new  standards  could  render  the
Company's ATM products  unmarketable  or obsolete.  The market for ATM equipment
has  not  developed  as  rapidly  as  industry  observers  have  predicted,  and
alternative  networking  technologies  such  as  "fast  ethernet"  and  "gigabit
ethernet" have developed to meet consumer requirements. A substantial portion of
the Company's  development efforts are focused on ATM and related products.  Net
revenues  derived from sales of ATM, T1/E1,  DS3/E3 and SONET/SDH based products
amounted to 67% and 33% of the  Company's  total net  revenues in 1997 and 1996,
respectively.  As a result of the Company's  1996  restructuring,  revenues from
non-networking products have declined significantly over the last several years,
making the Company's results depend primarily on networking products.

The Company,  through a business  combination,  acquired in process research and
development and developed technology relating to ethernet switching in September
1996.  Ethernet switching is a new product area for the Company and there can be
no  assurance  that  announced  products or products  in  development  will have
correctly  anticipated  the needs of the  networking  industry or that they will
receive sufficient design wins to achieve commercial success.

Many of the  Company's  products  under  development  are complex  semiconductor
devices that  require  extensive  design and testing  before  prototypes  can be
manufactured.  The integration of a number of functions in a single chip or in a
chipset  requires the use of advanced  semiconductor  manufacturing  techniques.
This can  result  in chip  redesigns  if the  initial  design  does  not  permit
acceptable  manufacturing  yields. The Company's products are often designed for
customers  who in many  instances  have not yet  fully  defined  their  hardware
products.  Design  delays or  redesigns by these  customers  could in turn delay
completion or require redesign of the semiconductor devices needed for the final
hardware product.  In this regard,  many of the relevant standards and protocols
for products based on high speed  networking  technologies  have not been widely
adopted or ratified by the relevant standard-setting bodies. Redesigns or design
delays often are required for both the hardware  manufacturer's products and the
Company's  chips  as  industry  and  customer  standards,  protocols  or  design
specifications  are  determined.  Any resulting  delay in the  production of the
Company's products could have a material adverse effect on the Company.
<PAGE>

COMPETITION

The  semiconductor  industry is intensely  competitive and is  characterized  by
rapid technological  change and by price erosion. The industry consists of major
domestic  and  international   semiconductor  companies,   many  of  which  have
substantially  greater financial and other resources than the Company.  Emerging
companies  also  provide   significant   competition  in  this  segment  of  the
semiconductor   market.  The  Company  believes  that  its  ability  to  compete
successfully  in this market  depends on a number of factors,  including,  among
others, the price, quality and performance of the Company's and its competitors'
products,  the timing and success of new product  introductions  by the Company,
its  customers  and  its  competitors,  the  emergence  of  new  standards,  the
development   of  technical   innovations,   the  ability  to  obtain   adequate
manufacturing  capacity,  the  efficiency of  production,  the rate at which the
Company's  customers  design the  Company's  products into their  products,  the
number and nature of the Company's  competitors in a given market, the assertion
of the Company's and its competitors'  intellectual  property rights and general
market and economic conditions.

The  Company's  competitors  in  this  market  include,  among  others,  Cypress
Semiconductor,  Dallas  Semiconductor,  Galileo  Technology,  Integrated  Device
Technology,  Level  One  Communications,   Lucent  Technologies,  MMC  Networks,
Rockwell International,  Siemens, Texas Instruments,  and Transwitch. The number
of  competitors  in this  market and the  technology  platforms  on which  their
products will compete may change in the future.  It is likely that over the next
few years additional competitors will enter the market with new products.  These
new competitors  may have  substantially  greater  financial and other resources
than the Company.  Competition among  manufacturers of  semiconductors  like the
Company's  products  typically  occurs at the design  stage,  where the customer
evaluates  alternative  design  approaches  that  require  integrated  circuits.
Because of shortened  product life cycles and design-in cycles in certain of the
Company's  customers  products,  the  Company's  competitors  have  increasingly
frequent  opportunities to achieve design wins in next generation  systems.  Any
success by the Company's competitors in supplanting the Company's products would
have a material adverse effect on the Company.

Historically, average selling prices ("ASPs") in the semiconductor industry have
decreased  over  the  life  of  the  particular  product.   The  willingness  of
prospective  customers  to design the  Company's  products  into their  products
depends to a  significant  extent  upon the  ability of the Company to price its
products at a level that is cost effective for such customers. If the Company is
unable to reduce its costs  sufficiently to offset declines in ASPs or is unable
to introduce new higher performance products with higher ASPs, the Company would
be materially and adversely  affected.  Any yield or other production  problems,
shortages of supply that increase the Company's  manufacturing costs, or failure
to reduce  manufacturing  costs,  would  have a material  adverse  effect on the
Company.
<PAGE>

ACCESS TO WAFER FABRICATION AND OTHER MANUFACTURING CAPACITY

The Company does not own or operate a wafer fabrication facility, and all of its
semiconductor   device   requirements   are   supplied  by  outside   foundries.
Substantially  all  of  the  Company's   semiconductor  products  are  currently
manufactured by third party foundry  suppliers.  The Company's foundry suppliers
fabricate products for other companies and produce products of their own design.
The  Company's  reliance on  independent  foundries  involves a number of risks,
including  the  absence  of  adequate   capacity,   the   unavailability  of  or
interruptions in access to certain process technologies and reduced control over
delivery  schedules,  manufacturing  yields and  costs.  In the event that these
foundries  are unable or  unwilling  to continue to  manufacture  the  Company's
products in required  volumes,  the  Company  will have to identify  and qualify
acceptable additional or alternative foundries. This qualification process could
take six months or longer.  No assurance can be given that any such source would
become  available  to the Company or that any such source would be in a position
to satisfy the Company's  production  requirements on a timely basis, if at all.
Any  significant  interruption  in the supply of  semiconductors  to the Company
would result in the  allocation  of products to  customers,  which in turn could
have a material adverse effect on the Company.

All of the Company's  semiconductor  products are assembled by sub-assemblers in
Asia. Shortages of raw materials, political and social instability,  disruptions
in the  provision  of  services  by  the  Company's  assembly  houses  or  other
circumstances  that would require the Company to seek  additional or alternative
sources of supply or assembly could lead to supply  constraints or delays in the
delivery of the Company's products. Such constraints or delays may result in the
loss of  customers  or other  adverse  effects  on the  Company.  The  Company's
reliance  on  independent  assembly  houses  involves  a number of other  risks,
including reduced control over delivery schedules, quality assurances and costs,
the  possible   discontinuance  of  such  contractors'  assembly  processes  and
fluctuations of regional economies.  Any supply or other problems resulting from
such risks would have a material adverse effect on the Company.

CUSTOMER CONCENTRATION

The Company has no long-term  volume purchase  commitments from any of its major
customers. The Company has only one customer that accounted for more than 10% of
its 1997  revenues,  but depends on a limited  number of  customers  for a major
portion of its revenues.

The  reduction,  delay or  cancellation  of orders from one or more  significant
customers  could have a material and adverse  affect on the Company.  Due to the
relatively  short  product  life  cycles  in  the  telecommunications  and  data
communications  markets,  the Company would be materially and adversely affected
if one or more of its significant  customers were to select devices manufactured
by one of the Company's competitors for inclusion in future product generations.
There can be no assurance that the Company's  current customers will continue to
place orders with the Company,  that orders by existing  customers will continue
at the levels of previous  periods,  or that the Company  will be able to obtain
orders  from  new  customers.  Loss  of one or  more  of the  Company's  current
customers or a disruption in the Company's sales and distribution channels could
have a material and adverse affect on the Company.

INTERNATIONAL OPERATIONS

In  fiscal  years  1997,  1996  and  1995,  international  sales  accounted  for
approximately 30%, 53% and 39% of the Company's net revenues,  respectively. The
Company's networking products must accommodate numerous worldwide communications
standards  and sales to US based  customers  are often for products that they in
turn  export  worldwide.  The  Company  expects  that  international  sales will
continue to represent a significant  portion of the Company's and its customers'
net  revenues  for  the  foreseeable  future.  The  majority  of  the  Company's
development,  test,  marketing and administrative  functions occur in Canada. In
addition,   substantially  all  of  the  Company's  products  are  manufactured,
assembled and tested by  independent  third parties in Asia. Due to its reliance
on  international  sales and operations,  the Company is subject to the risks of
conducting business outside of the United States. These risks include unexpected
changes in, or impositions of, legislative or regulatory requirements and policy
changes affecting the telecommunications and data communications markets, delays
resulting from difficulty in obtaining  export licenses for certain  technology,
tariffs,  quotas,  exchange  rates and other trade  barriers  and  restrictions,
longer payment cycles,  greater  difficulty in accounts  receivable  collection,
potentially  adverse  taxes,  the burdens of complying with a variety of foreign
laws and other factors beyond the Company's control. The Company is also subject
to general  geopolitical risks in connection with its international  operations,
such as political,  social and economic  instability,  potential hostilities and
changes in diplomatic and trade relationships. Sales of the Company's networking
products are denominated in U.S. dollars as are costs related to the manufacture
and assembly of products by the Company's Asian suppliers.  Costs related to the
majority  of the  Company's  development,  test,  marketing  and  administrative
functions are denominated in Canadian dollars.  Selling costs are denominated in
a variety of  currencies.  As a result,  the  Company is subject to the risks of
currency  fluctuations.  There  can be no  assurance  that  one or  more  of the
foregoing factors will not have a material adverse effect on the Company.
<PAGE>

DEPENDENCE ON KEY PERSONNEL

The  Company's  success  depends  to a  significant  extent  upon the  continued
services of its key technical  personnel,  particularly  those highly skilled at
the  design  and  test  functions  involved  in the  development  of high  speed
networking products and related software.  The competition for such employees is
intense.  The  Company  has no  employment  agreements  in place  with these key
personnel.  However, the Company from time to time issues shares of Common Stock
or options to purchase  Common Stock of the Company  subject to vesting.  To the
extent  shares  purchased  from or options  granted by the Company have economic
value,  these  securities  could create  retention  incentives.  The loss of the
services of one or more of these key personnel, and any difficulties the Company
may  experience  in hiring  qualified  replacements,  would have a material  and
adverse affect on the Company.

PATENTS AND PROPRIETARY RIGHTS

The  Company's  ability to compete is  affected  by its  ability to protect  its
proprietary  information.  The  Company  relies  on a  combination  of  patents,
trademarks,  copyrights,  trade  secret  laws,  confidentiality  procedures  and
licensing  arrangements to protect its intellectual property rights. The Company
currently holds several patents and has a number of pending patent applications.
There can be no assurance  that patents will be issued from any of the Company's
pending  applications or that any claims allowed will be of sufficient  scope or
strength,  or be issued in all  countries  where the  Company's  products can be
sold,  to provide  meaningful  protection  or any  commercial  advantage  to the
Company.  In addition,  competitors  of the Company may be able to design around
the  Company's  patents.  The laws of  certain  foreign  countries  in which the
Company's  products are or may be  developed,  manufactured  or sold,  including
various   countries  in  Asia,  may  not  protect  the  Company's   products  or
intellectual  property  rights to the same  extent as do the laws of the  United
States and thus make the  possibility of piracy of the Company's  technology and
products  more  likely.  There can be no  assurance  that the steps taken by the
Company to protect  its  proprietary  information  will be  adequate  to prevent
misappropriation  of its technology or that the Company's  competitors  will not
independently develop technologies that are substantially equivalent or superior
to the Company's technology.
<PAGE>

The semiconductor  industry is characterized by vigorous  protection and pursuit
of intellectual property rights or positions, which have resulted in significant
and often protracted and expensive  litigation.  The Company or its customers or
foundries have in the past, and may from time to time in the future, be notified
of claims  that the  Company  may be  infringing  patents or other  intellectual
property  rights owned by third  parties.  If it is necessary or desirable,  the
Company may seek licenses under patents or intellectual  property rights.  There
can be no  assurance  that  licenses  will be available or that the terms of any
offered  license will be acceptable to the Company.  Failure to obtain a license
from a third party for technology used by the Company could cause the Company to
incur substantial  liabilities and to suspend the manufacture of products or the
use by the Company's  foundry suppliers  requiring the technology.  In the past,
the  Company's  customers  have been  required to obtain  licenses  from and pay
royalties to third parties for the sale of systems  incorporating  the Company's
semiconductor  devices. If this occurs in the future, the customers'  businesses
may be materially  and adversely  affected,  which in turn would have a material
and adverse  affect on the Company.  The Company has provided its customers with
indemnity up to the dollar  amount of their  purchases  of any Company  products
found to be  infringing  on  technology  owned by third  parties.  Although  the
Company  discontinued  the practice of indemnifying its customers in December of
1997,  third party or customer claims may still be made against the Company with
respect to the infringement of the technology of third parties. Furthermore, the
Company may initiate claims or litigation against third parties for infringement
of  the  Company's  proprietary  rights  or to  establish  the  validity  of the
Company's proprietary rights.  Litigation by or against the Company could result
in  significant  expense to the Company and divert the efforts of the  Company's
technical and management personnel,  whether or not such litigation results in a
favorable  determination  for the Company.  In the event of an adverse result in
any such litigation,  the Company could be required to pay substantial  damages,
cease the manufacture,  use and sale of infringing  products,  spend significant
resources to develop non-infringing  technology,  discontinue the use of certain
processes  or obtain  licenses  to the  infringing  technology.  There can be no
assurance that the Company would be successful in such  development or that such
licenses  would  be  available  on  reasonable  terms,  or at all,  and any such
development or license could require  expenditures by the Company of substantial
time and other  resources.  Patent disputes in the  semiconductor  industry have
often been settled  through  cross-licensing  arrangements.  Because the Company
currently does not have a substantial  portfolio of patents, the Company may not
be able to settle an alleged patent infringement claim through a cross-licensing
arrangement.  Any  successful  third  party  claim  against  the  Company or its
customers for patent or intellectual property infringement could have a material
adverse effect on the Company.

ACQUISITIONS

The  Company's  strategy  may  involve,  in  part,   acquisitions  of  products,
technologies or businesses from third parties. Identifying and negotiating these
acquisitions  may divert  substantial  management  time away from the  Company's
operations.  An  acquisition  could absorb  substantial  cash  resources,  could
require the Company to incur or assume debt  obligations,  or could  involve the
issuance  of  additional  equity  securities  of the  Company.  The  issuance of
additional  equity  securities  could  dilute,  and could  represent an interest
senior to the rights of, then outstanding PMC common stock. An acquisition which
is accounted for as a purchase,  like the acquisition of the networking business
in 1994, the  acquisition of certain  assets of Bipolar  Integrated  Technology,
("Bit") in September  1996,  and the recent  acquisition  of Integrated  Telecom
Technology,  Inc.  could  involve  significant  one-time  write-offs,  and could
involve  the  amortization  of  goodwill  over a number  of years,  which  would
adversely affect earnings in those years. Any acquisition will require attention
from  the  Company's  management  to  integrate  the  acquired  entity  into the
Company's  operations,  may require the Company to develop expertise outside its
existing  businesses  and may result in departures of management of the acquired
entity.  An acquired entity may have unknown  liabilities,  and its business may
not achieve the results anticipated at the time of the acquisition.



<PAGE>


FUTURE CAPITAL NEEDS

The  Company  must  continue to make  significant  investments  in research  and
development  as well as  capital  equipment  and  expansion  of  facilities  for
networking  products.  The Company's future capital  requirements will depend on
many factors,  including,  among others,  product  development,  investments  in
working  capital,  and  acquisitions of  complementary  businesses,  products or
technologies.  To the extent that  existing  resources  and future  earnings are
insufficient  to fund the  Company's  operations,  the Company may need to raise
additional  funds  through  public  or  private  debt or equity  financings.  If
additional  funds are raised  through  the  issuance of equity  securities,  the
percentage  ownership  of current  stockholders  will be reduced and such equity
securities  may have rights,  preferences  or privileges  senior to those of the
holders of the Company's Common Stock. No assurance can be given that additional
financing  will be available or that, if available,  it can be obtained on terms
favorable  to the  Company  and its  stockholders.  If  adequate  funds  are not
available,  the Company may be required to delay, limit or eliminate some or all
of its proposed  operations,  which could have a material  adverse effect on the
Company.

VOLATILITY OF STOCK PRICE

Factors such as announcements of the introduction of new products by the Company
or its competitors, quarterly fluctuations in the Company's financial results or
the financial  results of other  semiconductor  companies or of companies in the
networking   or  personal   computer   industry,   general   conditions  in  the
semiconductor  industry and conditions in the worldwide  financial markets have,
in the  past,  caused  the  price of the  Company's  Common  Stock to  fluctuate
substantially,  and  may do so in the  future.  In  addition,  increases  in the
Company's stock price and expansion of its  price-to-earnings  multiple may have
made it  attractive  to so-called  momentum  investors.  Momentum  investors are
generally  thought to shift funds into and out of stocks  rapidly,  exacerbating
price  fluctuations  in either  direction.  The price of the Company's stock may
also be impacted by investor  sentiment toward  technology  stocks,  in general,
which often is unrelated to the operating performance of a specific company.

YEAR 2000 COMPUTER SYSTEMS ISSUES

The  Company  is aware of the  issues  associated  with the  limitations  of the
programming code in many existing computer systems, whereby the computer systems
may not properly  recognize  date sensitive  information as the next  millennium
(year 2000) approaches.  Systems that do not properly recognize such information
could  generate  erroneous  data  or  cause  a  system  to  fail,  resulting  in
disruptions  of  the  Company's  operations.  The  Company  has  identified  all
significant  applications  that will  require  modification  to ensure year 2000
compliance.  The Company uses commercially  available  standard software for its
critical operating and financial  applications.  One vendor of critical software
used by the Company has provided a program update,  which is intended to rectify
the year 2000 issues related to this software.  This update was installed in the
second quarter of 1998.  Updates for the Company's other  non-critical  software
are  available  at the current time and, if new versions of the software are not
already  purchased,  are  planned for  installation  in 1999.  If the  Company's
vendors'  updates do not  successfully  rectify the year 2000 issues  related to
their software,  the Company could be forced to purchase a competing system that
is year 2000  compliant  and  incur  installation  and  other  costs in order to
mitigate the Year 2000 Issue. The installation of a replacement system for those
applications that are currently not year 2000 compliant is not anticipated to be
material to the  Company's  financial  position or results of  operations in any
given year. In the event that the current systems need to be entirely  replaced,
the Company estimates that it would cost approximately $2 million to acquire and
implement new systems.  Any new systems would be  capitalized  and  subsequently
depreciated.

The Company's  suppliers and customers are generally  much larger  organizations
than the Company with a greater  number of suppliers and customers of their own.
The Company believes that many of its suppliers and customers have not completed
their own  systems  modification  to be year 2000  compliant.  The  company  has
received  written  communication  from its  critical  suppliers  that  they have
developed  an action  plan to address the issues  related to the year 2000.  The
failure of significant suppliers or customers of the Company to become year 2000
compliant could have a material effect on the Company.  Those consequences could
include  the  inability  to  receive  product  in a timely  manner or lost sales
opportunities  either  of  which  could  result  in a  material  decline  in the
Company's revenues and profits.


<PAGE>


PART II - OTHER  INFORMATION

Item 2.       CHANGES IN SECURITIES AND USE OF PROCEEDS

On May 20,  1998 the  Company  issued  414,635  shares  of its  Common  Stock to
stockholders of Integrated Telecom  Technology,  Inc. ("IGT") in connection with
the  acquisition  of IGT by the Company.  The total  consideration  paid for the
acquisition  of IGT was  approximately  $55  million,  comprised  of the  shares
issued,  cash payments and options to purchase  214,414  shares of the Company's
Common  Stock  that were  issued to option  holders of IGT and  registered  on a
registration statement on Form S-8.

The issuance of the shares was made as a non-public  offering in reliance on the
exemption from registration under Section 4(2) of the Securities Act. The shares
were offered  (without  public  solicitation)  and issued to a limited number of
purchasers who represented  their intention to acquire the shares for investment
only and not with a view to the distribution  thereof.  Appropriate legends were
affixed to the stock certificates.  All the purchasers  received,  or had access
to, adequate  information about the Company. On June 3, 1998 the Company filed a
registration  statement on Form S-3 covering the resale of the shares, which was
later declared effective by the SEC.


Item 4.       SUBMISSION OF MATTERS TO A VOTE BY STOCKHOLDERS

The Annual Meeting of Stockholders of PMC-Sierra,  Inc. was held on May 27, 1998
for the purposes of electing directors of the Company, approving an amendment to
the  Company's  1994  Incentive  Stock Plan to increase  the number of shares of
Common Stock reserved for issuance by 1,100,000  shares,  approving an amendment
to the  Company's  1991 Employee  Stock  Purchase Plan to increase the number of
shares of Common Stock  reserved for  issuance by 250,000  shares,  approving an
amendment to the Company's 1994  Incentive  Stock Plan to increase the number of
shares  of  Common  Stock  reserved  for  issuance  on  January  1 of each  year
(beginning January 1, 1999) by the lesser of (i) 4% of the outstanding shares on
such date, (ii) 2,000,000  shares, or (iii) an amount determined by the Board of
Directors,  approving an amendment to the Company's 1991 Employee Stock Purchase
Pan to increase  the number of shares of Common  Stock  reserved for issuance on
January 1 of each year  (beginning  January  1, 1999) by the lesser of (i) 1% of
the outstanding  shares on such date,  (ii) 500,000  shares,  or (iii) an amount
determined  by the Board of  Directors,  approving an amendment to the Company's
Certificate  of  Incorporation  to increase the  authorized  number of shares of
Common  Stock by  50,000,000  shares to a total of  100,000,000  shares,  and to
ratify the  appointment  of Deloitte & Touche LLP as the  Company's  independent
auditors for the 1998 fiscal year.

All nominees for directors were elected,  both  amendments to the Company's 1994
Incentive  Stock Plan were  approved,  both  amendments  to the  Company's  1991
Employee  Stock  Purchase  Plan were  approved,  the  amendment to the Company's
Certificate of Incorporation was approved,  the appointment of Deloitte & Touche
LLP as the Company's independent auditors for the 1998 fiscal year was ratified.
The voting on each matter is set forth below:



<PAGE>


To elect  Directors  of the Company to serve for the ensuing  year and until the
next Annual meeting or the Election of their successors.

Nominee:                   For                       Withheld
- --------                   ---                       --------

Robert L. Bailey           27,309,539                207,874
Alexandre Balkanski        27,306,059                207,874
Colin Beaumont             27,306,425                207,874
James V. Diller            27,296,448                207,874
Frank L. Marshall          27,308,622                207,874


Proposal to approve an  amendment to the  Company's  1994  Incentive  Stock Plan
("Stock  Plan") to increase  the number of shares of Common  Stock  reserved for
issuance by 1,100,000 shares.

For               Against           Abstain          Broker non-vote

13,731,099        9,697,435         38,895           4,046,698


Proposal to approve an amendment to the company's  1991 Employee  Stock Purchase
Plan  ("ESPP") to increase  the number of shares of Common  Stock  reserved  for
issuance by 250,000 shares.

For               Against           Abstain          Broker non-vote
                                   
22,775,442        212,906           479,081          4,046,698
                          

Proposal to approve an annual increase to the Stock Plan  (beginning  January 1,
1999) by the  lesser of 4% of the  outstanding  shares,  2,000,000  shares or as
determined by the Board.

For               Against           Abstain          Broker non-vote

13,936,832        9,368,447         54,872           4,153,976


Proposal to approve an annual increase to the ESPP  (beginning  January 1, 1999)
by the lesser of 1% of the outstanding  shares,  500,000 shares or as determined
by the Board.

For               Against           Abstain          Broker non-vote

20,436,236        2,542,029         489,164          4,046,698




<PAGE>


Proposal to approve an amendment to the Company's  Certificate of  Incorporation
to increase the number of authorized shares of Common Stock by 50,000,000 shares
to a total of 100,000,000 shares.

For               Against           Abstain          Broker non-vote

25,607,352        1,320,392         479,105          107,278


Proposal to ratify the  appointment  of  Deloitte & Touche LLP as the  Company's
independent auditors for the 1998 fiscal year.

For               Against           Abstain          Broker non-vote

27,039,636        10,964            463,527          0



Item 5.  OTHER INFORMATION - DESCRIPTION OF CAPITAL STOCK

                          DESCRIPTION OF CAPITAL STOCK

The authorized  capital stock of the Company  consists of 100,000,000  shares of
Common Stock,  par value $0.001,  and 5,000,000  shares of Preferred  Stock, par
value $0.001.

The  following  summary of certain  provisions of the Common Stock and Preferred
Stock does not  purport to be complete  though the Company  believes it contains
all the material  provisions,  and is subject to, and  qualified in its entirety
by, the  provisions of the Company's  Certificate  of  Incorporation  and by the
provisions of applicable law.

Common Stock
- ------------

The  Company's  Common Stock is  registered  under Section 12(g) of the Exchange
Act. Subject to preferences that may be applicable to any outstanding  Preferred
Stock  which  may be issued  in the  future,  the  holders  of Common  Stock are
entitled to receive  ratably such  non-cumulative  dividends,  if any, as may be
declared  from  time to time by the  Board of  Directors  out of  funds  legally
available  therefor.  The Common Stock has no preemptive or conversion rights or
other  subscription  rights.  There are no redemption or sinking fund provisions
available to the Common  Stock.  The holders of Common Stock are entitled to one
vote per share on all matters to be voted upon by the stockholders,  except that
stockholders  may,  in  accordance  with  Section  214 of the  Delaware  General
Corporation Law, cumulate their votes in the election of directors. In the event
of liquidation,  dissolution or winding up of the Company, the holders of Common
Stock are entitled to share  ratably in all assets  remaining  after  payment of
liabilities,  subject to  liquidation  preferences,  if any, of Preferred  Stock
which may be issued in the future.  All  outstanding  shares of Common Stock are
fully paid and non-assessable.
<PAGE>

Preferred Stock
- ---------------

Pursuant to the Company's  Certificate of Incorporation,  the Board of Directors
of the Company has the  authority to issue up to  5,000,000  shares of Preferred
Stock in one or more  series,  to fix the rights,  preferences,  privileges  and
restrictions  granted to or imposed upon any wholly unissued series of Preferred
Stock,  and to fix  the  number  of  shares  constituting  any  series  and  the
designations  of  such  series,  without  any  further  vote  or  action  by the
stockholders.  Such issued  Preferred  Stock could  adversely  effect the voting
power and other rights of the holders of Common Stock. The issuance of Preferred
Stock may also have the effect of delaying,  deferring or preventing a change in
control of the Company. At present, there are no outstanding shares of Preferred
Stock.

Rights of Holders of Special Shares of PMC-Sierra, Ltd.
- -------------------------------------------------------

The Special  Shares of  PMC-Sierra,  Ltd. are redeemable for Common Stock of the
Company.  Special  Shares do not have voting  rights in the Company,  but in all
other  respects  they  represent the economic and  functional  equivalent of the
Common  Stock of the Company for which they can be  redeemed.  Under  applicable
law,  each class of Special  Shares  will have  class  voting  rights in certain
circumstances  with respect to transactions  that affect the rights of the class
and for  certain  extraordinary  corporate  transactions.  Two kinds of  Special
Shares are outstanding: A Special Shares and B Special Shares.


<PAGE>

Delaware Law
- ------------

Section 203 of the Delaware General  Corporation Law, from which the Company has
not opted out in its Certificate of  Incorporation,  restricts certain "business
combinations" with "interested  stockholders" for three years following the date
that a person or entity becomes an interested stockholder,  unless the Company's
Board of Directors  approves  the  business  combination  and/or  certain  other
requirements are met.





<PAGE>


Item 6.  EXHIBITS AND REPORTS ON FORM 8-K

         (a)  Exhibits -

              -   3.1C    Certificate    of   Amendment   to    Certificate   of
                          Incorporation  of  PMC-Sierra,  Inc.  filed on June 4,
                          1998.
                 
              -   10.23   Revolving  Operating Line of Credit Agreement  between
                          PMC-Sierra,  Inc. and CIBC Inc.  dated 21st day of May
                          1998.
                 
              -   10.24   Revolving  Operating Line of Credit Agreement  between
                          PMC-Sierra, Ltd. and CIBC dated 21st day of May, 1998
                 
              -   10.25   Pledge  Agreement  between  PMC-Sierra,  Inc. and CIBC
                          Inc. with respect to shares of PMC-Sierra  Ltd.  dated
                          11th day of March, 1998.
                 
              -   10.26   Pledge  Agreement  between  PMC-Sierra,  Inc and CIBC,
                          Inc.    with   respect   to   shares   of   PMC-Sierra
                          International Inc. dated 27th day of April, 1998.
                 
              -   10.27   Guarantee Agreement between PMC-Sierra,  Inc. and CIBC
                          dated 27th day of April, 1998.
                 
              -   10.28   1998 PMC-Sierra (Maryland), Inc. Stock Option Plan
                 
              -   11.1    Calculation of earnings per share
                 
              -   27      Financial Data Schedule
                 
                

(b)      Reports on Form 8-K -

              -   A Current  Report  on Form 8-K was filed on April 20,  1998 to
                  disclose the Company's signing of a definitive agreement dated
                  April 15, 1998 to purchase Integrated Telecom Technology, Inc.
              
              -   A  Current  Report  on Form 8-K was  filed on June 3,  1998 to
                  disclose  the   Company's   completion   of  the  purchase  of
                  Integrated  Telecom  Technology,  Inc. ("IGT"),  together with
                  audited  balance  sheets of IGT as of  December  31,  1996 and
                  December  31,  1997  and  audited  statements  of  operations,
                  stockholders'  deficiency  and cash flows for the years  ended
                  December 31, 1996 and December 31, 1997.
              
              -   An  amended  Current  Report on Form 8-K was filed on June 22,
                  1998 to file the unaudited balance sheet of IGT as of March 31
                  1998,  the unaudited  statements of operations  and cash flows
                  for the 3 months ended March 31 1998 and March 31,  1997,  the
                  unaudited  combined balance sheet of the Company and IGT as of
                  March 31, 1998 and the unaudited pro forma combined statements
                  of  operations  for the 3 months  ended March 31, 1998 and for
                  the year ended December 31, 1997.




<PAGE>


SIGNATURES

Pursuant  to the  requirements  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.

                                        PMC-SIERRA, INC.
                                        (Registrant)
                                   
                                   
Date:    February 10, 1999              /S/ JOHN W. SULLIVAN          
         -----------------              ------------------------------
                                        John W. Sullivan
                                        Vice President, Finance
                                        (Duly Authorized Officer)
                                        Chief Financial Officer
                                        (Principal Accounting Officer)
                                   
                                


                                PMC-Sierra, Inc.
                        CALCULATION OF EARNINGS PER SHARE
                  (in thousands, except for per share amounts)
                                   (unaudited)

                                                          Three Months Ended
                                                      --------------------------
                                                        Jun 28,      Jun 30,
                                                         1998          1997
                                                      (restated -
                                                       see note 2)
Numerator:
Net income (loss)                                       $  (29,313)   $   8,932
                                                      ============= ============

Denominator:
Basic weighted average common shares outstanding (1)        31,829       30,918
                                                      ------------- ------------

Effect of dilutive securities:
Stock options                                                    -        1,442
Stock warrants                                                   -           14
                                                      ------------- ------------
Shares used in calculation of net income per share          31,829       32,374
                                                      ============= ============

Basic net income (loss) per share                       $    (0.92)   $    0.29

Diluted net income (loss) per share                     $    (0.92)   $    0.28


(1) PMC-Sierra, Ltd. Special Shares are included in the calculation of basic net
    income per share.


<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
     FORM 10-Q FILED FOR THE QUARTER ENDED JUNE 28, 1998 AND IS QUALIFIED IN
     ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                   1,000
       
<S>                                            <C>
<PERIOD-TYPE>                                  6-MOS
<FISCAL-YEAR-END>                              DEC-27-1998
<PERIOD-START>                                 DEC-28-1997
<PERIOD-END>                                   JUN-28-1998
<CASH>                                           60,872 
<SECURITIES>                                          0 
<RECEIVABLES>                                    20,858 
<ALLOWANCES>                                          0 
<INVENTORY>                                       6,212 
<CURRENT-ASSETS>                                 91,928 
<PP&E>                                           46,342 
<DEPRECIATION>                                  (19,912)
<TOTAL-ASSETS>                                  172,131 
<CURRENT-LIABILITIES>                            47,384 
<BONDS>                                               0 
                                 0 
                                           0 
<COMMON>                                             30 
<OTHER-SE>                                      104,356 
<TOTAL-LIABILITY-AND-EQUITY>                    172,131 
<SALES>                                          74,270 
<TOTAL-REVENUES>                                 74,270 
<CGS>                                            18,103 
<TOTAL-COSTS>                                    18,103 
<OTHER-EXPENSES>                                 66,569 
<LOSS-PROVISION>                                      0 
<INTEREST-EXPENSE>                                  519 
<INCOME-PRETAX>                                  (8,828)
<INCOME-TAX>                                     10,836 
<INCOME-CONTINUING>                             (19,664)
<DISCONTINUED>                                        0 
<EXTRAORDINARY>                                       0 
<CHANGES>                                             0 
<NET-INCOME>                                    (19,664)
<EPS-PRIMARY>                                     (0.62)
<EPS-DILUTED>                                     (0.62)
                                                       
                                              

</TABLE>


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