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

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

for the quarterly period ended September 29, 2002

[ ] 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

3975 Freedom Circle
Santa Clara, CA 95054
(408) 239-8000

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 October 25, 2002 - 167,438,048
------------------------------------------------




INDEX


PART I - FINANCIAL INFORMATION

Item 1. Financial Statements Page

- Condensed consolidated statements of operations 3

- Condensed consolidated balance sheets 4

- Condensed consolidated statements of cash flows 5

- Notes to the condensed consolidated financial statements 6

Item 2. Management's Discussion and Analysis of Financial
Condition and Results of Operations 11

Item 3. Quantitative and Qualitative Disclosures About
Market Risk 31

Item 4. Controls and Procedures 33


PART II - OTHER INFORMATION

Item 6. Exhibits and Reports on Form 8 - K 33



2



Part I - FINANCIAL INFORMATION
Item 1 - Financial Statements

PMC-Sierra, Inc.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except for per share amounts)
(unaudited)




Three Months Ended Nine Months Ended
---------------------------- ------------------------------
Sep 29, Sep 30, Sep 29, Sep 30,
2002 2001 2002 2001

Net revenues
Networking $ 59,358 $ 55,268 $ 160,095 $ 257,805
Non-networking 226 6,288 5,442 17,776
------------- ------------- -------------- --------------
Total 59,584 61,556 165,537 275,581

Cost of revenues 23,229 24,359 64,546 111,120
------------- ------------- -------------- --------------
36,355 37,197 100,991 164,461
Other costs and expenses:
Research and development 33,977 48,705 104,649 159,942
Marketing, general and administrative 16,030 22,697 49,592 71,857
Amortization of deferred stock compensation:
Research and development 453 1,386 2,138 31,376
Marketing, general and administrative 23 254 150 1,198
Amortization of goodwill - 5,996 - 41,618
Restructuring costs and other special charges - - - 19,900
Impairment of goodwill and purchased intangible assets - - - 189,042
------------- ------------- -------------- --------------
Income (loss) from operations (14,128) (41,841) (55,538) (350,472)

Interest and other income, net 1,374 2,653 4,134 12,204
Gain on sale of investments 71 - 3,135 401
------------- ------------- -------------- --------------

Income (loss) before provision for income taxes (12,683) (39,188) (48,269) (337,867)

Provision for (recovery of) income taxes (3,438) (4,733) (13,753) (6,841)
------------- ------------- -------------- --------------
Net income (loss) $ (9,245) $(34,455) $ (34,516) $(331,026)
============= ============= ============== ==============


Net income (loss) per common share - basic and diluted $ (0.05) $ (0.20) $ (0.20) $ (1.97)
============= ============= ============== ==============

Shares used in per share calculation - basic and diluted 170,525 168,389 169,945 167,664


See notes to the condensed consolidated financial statements.



3



PMC-Sierra, Inc.
CONDENSED CONSOLIDATED BALANCE SHEETS
(in thousands, except par value)



Sep 29, Dec 30,
2002 2001
(unaudited)

ASSETS:
Current assets:
Cash and cash equivalents $ 79,278 $ 152,120
Short-term investments 342,597 258,609
Accounts receivable, net 16,956 16,004
Inventories, net 28,130 34,246
Deferred tax assets 15,040 14,812
Prepaid expenses and other current assets 17,764 18,435
------------- -------------
Total current assets 499,765 494,226

Investment in bonds and notes 146,373 171,025
Other investments and assets 33,644 68,863
Deposits for wafer fabrication capacity 21,992 21,992
Property and equipment, net 62,127 89,715
Goodwill and other intangible assets, net 8,666 9,520
------------- -------------
$ 772,567 $ 855,341
============= =============
LIABILITIES AND STOCKHOLDERS' EQUITY:
Current liabilities:
Accounts payable $ 22,399 $ 21,320
Accrued liabilities 48,097 49,348
Income taxes payable 32,196 19,742
Accrued restructuring costs 135,366 161,198
Deferred income 22,316 27,677
Current portion of obligations under capital leases and long-term debt 93 470
------------- -------------
Total current liabilities 260,467 279,755

Convertible subordinated notes 275,000 275,000
Deferred tax liabilities 6,315 23,042

PMC special shares convertible into 3,242 (2001 - 3,373)
shares of common stock 5,152 5,317

Stockholders' equity
Common stock and additional paid in capital, par value $.001:
900,000 shares authorized; 167,351 shares issued and
outstanding (2001 - 165,702) 834,138 824,321
Deferred stock compensation (1,683) (4,186)
Accumulated other comprehensive income 1,094 25,492
Accumulated deficit (607,916) (573,400)
------------- -------------
Total stockholders' equity 225,633 272,227
------------- -------------
$ 772,567 $ 855,341
============= =============

See notes to the condensed consolidated financial statements.



4



PMC-Sierra, Inc.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(unaudited)



Nine Months Ended
---------------------------
Sep 29, Sep 30,
2002 2001

Cash flows from operating activities:
Net income (loss) $ (34,516) $(331,026)
Adjustments to reconcile net income (loss) to net cash used in
operating activities:
Depreciation and other amortization 32,114 39,804
Amortization of goodwill and other intangibles 854 43,704
Amortization of deferred stock compensation 2,288 32,574
Gain on sale of investments and other assets (3,126) (35)
Noncash restructuring costs and asset write-downs - 3,988
Impairment of goodwill and purchased intangible assets - 189,042
Write down of excess inventory - 14,151
Changes in operating assets and liabilities:
Accounts receivable (952) 71,971
Inventories 6,116 (4,788)
Prepaid expenses and other current assets 671 6,254
Accounts payable and accrued liabilities (2,033) (36,399)
Income taxes payable 12,454 (43,716)
Accrued restructuring costs (24,386) 6,109
Deferred income (5,361) (26,917)
------------- ------------
Net cash used in operating activities (15,877) (35,284)
------------- ------------

Cash flows from investing activities:
Purchases of short-term investments (118,887) (145,645)
Proceeds from sales and maturities of short-term investments 107,601 142,371
Purchases of long-term bonds and notes (141,863) (75,909)
Proceeds from sales and maturities of long-term bonds and notes 93,249 -
Other investments (3,609) (5,664)
Net investment in wafer fabrication deposits - 1,009
Purchases of property and equipment (2,946) (26,541)
------------- ------------
Net cash used in investing activities (66,455) (110,379)
------------- ------------
Cash flows from financing activities:
Repayment of capital leases and long-term debt (377) (1,213)
Proceeds from issuance of convertible subordinated notes - 275,000
Payment of debt issuance costs - (7,819)
Proceeds from issuance of common stock 9,867 21,132
------------- ------------

Net cash provided by financing activities 9,490 287,100
------------- ------------

Net increase (decrease) in cash and cash equivalents (72,842) 141,437
Cash and cash equivalents, beginning of the period 152,120 256,198
------------- ------------

Cash and cash equivalents, end of the period $ 79,278 $ 397,635
============= =============

Supplemental disclosures of cash flow information:
Cash paid for interest $ 10,759 $ 185
Cash paid for income taxes 384 41,151




See notes to the condensed consolidated financial statements.



5



PMC-Sierra, Inc.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(unaudited)

NOTE 1. Summary of Significant Accounting Policies

Description of business. PMC-Sierra, Inc (the "Company" or "PMC") designs,
develops, markets and supports high-speed broadband communications and storage
semiconductors and MIPS-based processors for service provider, enterprise,
storage, and wireless networking equipment. The Company offers worldwide
technical and sales support through a network of offices in North America,
Europe and Asia.

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 provide a fair
statement of results for the interim periods presented. These financial
statements should be read in conjunction with the consolidated financial
statements and related notes thereto in the Company's Annual Report on Form 10-K
for the year ended December 30, 2001. The results of operations for the interim
periods are not necessarily indicative of results to be expected in future
periods.

Estimates. The preparation of financial statements and related disclosures in
conformity with accounting principles generally accepted in the United States of
America requires management to make estimates and assumptions that affect the
amounts reported in the financial statements and accompanying notes. Estimates
are used for, but not limited to, the accounting for doubtful accounts,
inventory reserves, depreciation and amortization, asset impairments, sales
returns, warranty costs, income taxes, restructuring costs and other special
charges, and contingencies. Actual results could differ from these estimates.

Inventories. Inventories are stated at the lower of cost (first-in, first out)
or market (estimated net realizable value). The components of inventories are as
follows:


Sep 29, Dec 30,
(in thousands) 2002 2001
- ----------------------------------------------------------------------------

Work-in-progress $ 12,553 $ 10,973
Finished goods 15,577 23,273
- ----------------------------------------------------------------------------
$ 28,130 $ 34,246
===========================


Goodwill and other intangible assets. In July 2001, the Financial Accounting
Standards Board (FASB) issued Statement of Financial Accounting Standard No. 141
(SFAS 141), "Business Combinations" and Statement of Financial Accounting
Standard No. 142 (SFAS 142), "Goodwill and Other Intangible Assets".

SFAS 141 requires that business combinations be accounted for under the purchase
method of accounting and addresses the initial recognition and measurement of
assets acquired, including goodwill and intangibles, and liabilities assumed in
a business combination. The Company adopted SFAS 141 on a prospective basis
effective July 1, 2001. The adoption of SFAS 141 did not have a material effect
on the Company's financial statements, but will impact the accounting treatment
of future acquisitions.

6


SFAS 142 requires goodwill to be allocated to, and assessed as part of, a
reporting unit. Further, SFAS 142 specifies that goodwill will no longer be
amortized but instead will be subject to impairment tests at least annually. In
conjunction with the implementation of SFAS 142, the Company completed the
transitional impairment test as of the beginning of 2002 and determined that a
transitional impairment charge would not be required.

The Company adopted SFAS 142 on a prospective basis at the beginning of fiscal
2002 and stopped amortizing goodwill totaling $7.1 million, thereby eliminating
annual goodwill amortization of approximately $2.0 million in 2002. Net loss and
net loss per share adjusted to exclude goodwill and workforce amortization for
the comparative periods ended September 30, 2001 are as follows:





Three Months Ended Nine Months Ended
-------------------------- ---------------------------
Sep 29, Sep 30, Sep 29, Sep 30,
(in thousands except per share amounts) 2002 2001 2002 2001
- ---------------------------------------------------------------------------------------- ---------------------------

Net income (loss), as reported $ (9,245) $ (34,455) $ (34,516) $ (331,026)
Adjustments:
Amortization of goodwill - 5,996 - 41,618
Amortization of other intangibles - 91 - 486
------------ ------------ ------------ -------------

Net income (loss) $ (9,245) $ (28,368) $ (34,516) $ (288,922)
============ ============ ============ =============

Basic and diluted net income (loss) per share, as reported $ (0.05) $ (0.20) $ (0.20) $ (1.97)
============ ============ ============ =============

Basic and diluted net income (loss) per share, adjusted $ (0.05) $ (0.17) $ (0.20) $ (1.72)
============ ============ ============ =============



Accounting for the impairment or disposal of long-lived assets. In October 2001,
the FASB issued Statement of Financial Accounting Standard No. 144 (SFAS 144),
"Accounting for the Impairment or Disposal of Long-Lived Assets". SFAS 144
supersedes Statement of Financial Accounting Standard No. 121 (SFAS 121),
"Accounting for the Impairment of Long-Lived Assets and for Long-Lived Assets to
Be Disposed Of" and the accounting and reporting provisions of APB Opinion No.
30 for the disposal of a business segment. SFAS 144 establishes a single
accounting model, based on the framework established in SFAS 121, for long-lived
assets to be disposed of by sale. The Statement also broadens the presentation
of discontinued operations to include disposals of a component of an entity and
provides additional implementation guidance with respect to the classification
of assets as held-for-sale and the calculation of an impairment loss. The
Company adopted SFAS 144 at the beginning of fiscal 2002. The adoption of SFAS
144 did not have a material impact on the Company's financial statements.

Recently issued accounting standards. In June 2002, the FASB issued Statement of
Financial Accounting Standard No. 146 (SFAS 146), "Accounting for Costs
Associated with Exit or Disposal Activities". SFAS 146 requires that the
liability for a cost associated with an exit or disposal activity be recognized
at its fair value when the liability is incurred. Under previous guidance, a
liability for certain exit costs was recognized at the date that management
committed to an exit plan. As SFAS 146 is effective only for exit or disposal
activities initiated after December 31, 2002, the Company does not expect the
adoption of this statement to have a material impact on the Company's financial
statements.

7



NOTE 2. Restructuring and Other Costs

Restructuring - March 26, 2001

In the first quarter of 2001, PMC implemented a restructuring plan in response
to the decline in demand for its networking products and consequently recorded a
restructuring charge of $19.9 million. The restructuring plan included the
involuntary termination of 223 employees across all business functions, the
consolidation of a number of facilities and the curtailment of certain research
and development projects.

PMC has completed the restructuring activities contemplated in the March 2001
restructuring plan. The remaining restructuring liability of $1.5 million at
June 30, 2002 related primarily to facility lease payments, net of estimated
sublease revenues, and was classified as accrued liabilities on the balance
sheet at the end of June 2002.

Restructuring - October 18, 2001

Due to a continued decline in market conditions, PMC implemented a second
restructuring plan in the fourth quarter of 2001 to reduce its operating cost
structure. This restructuring plan included the termination of 341 employees,
the consolidation of additional excess facilities, and the curtailment of
additional research and development projects. As a result, the Company recorded
a second restructuring charge of $175.3 million in the fourth quarter of 2001.

The following summarizes the activity in the October 2001 restructuring
liability during the nine month period ended September 29, 2002:




Restructuring
Balance at Cash Liability at
(in thousands) Dec 30, 2001 Payments Sep 29, 2002
- ---------------------------------------------------------------------------------------------

Workforce reduction $ 6,784 $ (3,313) $ 3,471

Facility lease and contract settlement costs 150,210 (18,315) 131,895

- ---------------------------------------------------------------------------------------------
Total $ 156,994 $ (21,628) $ 135,366
==============================================



The Company expects to complete the restructuring activities contemplated in the
October 2001 restructuring plan in the fourth quarter of 2002.


NOTE 3. Segment Information

The Company has two operating segments: networking and non-networking products.
The networking segment consists of semiconductor devices and related technical
service and support to equipment manufacturers for use in service provider,
enterprise, and storage area networking equipment. The non-networking segment
consists of custom user interface products. The Company is supporting the
non-networking products for existing customers, but has decided not to develop
any further products of this type.

8


The accounting policies of the segments are the same as those described in the
summary of significant accounting policies contained in the Company's Annual
Report on Form 10-K. The Company evaluates performance based on net revenues and
gross profits from operations of the two segments.


Three Months Ended Nine Months Ended
----------------------------- ----------------------------
Sep 29, Sep 30, Sep 29, Sep 30,
(in thousands) 2002 2001 2002 2001
- --------------------------------------------------------------------------------
Net revenues

Networking $ 59,358 $ 55,268 $ 160,095 $ 257,805
Non-networking 226 6,288 5,442 17,776
- --------------------------------------------------------------------------------

Total $ 59,584 $ 61,556 $ 165,537 $ 275,581
===========================================================


Gross profit

Networking $ 36,259 $ 34,709 $ 98,662 $ 157,105
Non-networking 96 2,488 2,329 7,356
- --------------------------------------------------------------------------------

Total $ 36,355 $ 37,197 $ 100,991 $ 164,461
===========================================================


NOTE 4. Comprehensive Income (Loss)

The components of comprehensive income (loss), net of tax, are as follows:




Three Months Ended Nine Months Ended
-------------------------- -------------------------
Sep 29, Sep 30, Sep 29, Sep 30,
(in thousands) 2002 2001 2002 2001
- ----------------------------------------------------------------------------------------------------

Net income (loss) $ (9,245) $ (34,455) $ (34,516) $ (331,026)
Other comprehensive income (loss):
Change in net unrealized gains on investments (1,954) (11,589) (24,398) (19,216)

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

Total $ (11,199) $ (46,044) $ (58,914) $ (350,242)
=====================================================




NOTE 5. Net Income (Loss) Per Share

The following table sets forth the computation of basic and diluted net income
(loss) per share:


9





Three Months Ended Nine Months Ended
-------------------------- ---------------------------
Sep 29, Sep 30, Sep 29, Sep 30,
(in thousands except per share amounts) 2002 2001 2002 2001
- --------------------------------------------------------------------------------------------------------------


Numerator:
Net income (loss) $ (9,245) $ (34,455) $ (34,516) $(331,026)
========================== ===========================

Denominator:
Basic weighted average common shares outstanding (1) 170,525 168,389 169,945 167,664
Effect of dilutive securities:
Stock options - - - -
Stock warrants - - - -
-------------------------- ---------------------------


Diluted weighted average common shares outstanding $ 170,525 168,389 $ 169,945 $ 167,664
========================== ===========================

Basic and diluted net income (loss) per share $ (0.05) $ (0.20) $ (0.20) $ (1.97)
========================== ===========================



(1) PMC-Sierra, Ltd. special shares are included in the calculation of basic
weighted average common shares outstanding.


NOTE 6. Voluntary Stock Option Exchange Offer

On September 26, 2002, the Company completed an offering to all eligible option
holders of an opportunity to voluntarily exchange certain stock options.

Under the program, participants were able to tender for cancellation stock
options granted within the specified period with exercise prices at or above
$8.00 per share, in exchange for new options to be granted at least six months
and one day after the cancellation of the tendered options. Pursuant to the
terms and conditions set forth in the Company's offer, each eligible participant
will receive a new option to purchase an equivalent number of PMC shares for
each tendered option with an exercise price of less than $60.00. For each
tendered option with an exercise price of $60.00 or more, each eligible
participant will receive a new option to purchase a number of PMC shares equal
to one share for each four unexercised shares subject to the tendered option.

On September 26, 2002, the Company accepted and cancelled approximately 19.3
million options with a weighted average exercise price of $35.98 and expects to
grant approximately 18.0 million new options no earlier than March 27, 2003 and
no later than April 30, 2003. The new options will have an exercise price equal
to the closing price of the Company's common stock on the date of grant and will
be subject to a new vesting schedule.


10


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

The following discussion of the financial condition and results of our
operations should be read in conjunction with the condensed consolidated
financial statements and notes thereto included elsewhere in this Quarterly
Report. This discussion contains forward-looking statements that are subject to
known and unknown risks, uncertainties and other factors that may cause our
actual results, levels of activity, performance, achievements and prospects to
be materially different from those expressed or implied by such forward-looking
statements. These risks, uncertainties and other factors include, among others,
those identified under "Factors That You Should Consider Before Investing In
PMC-Sierra" and elsewhere in this Quarterly Report.

These forward-looking statements apply only as of the date of this Quarterly
Report. We undertake no obligation to publicly update or revise any
forward-looking statements, whether as a result of new information, future
events or otherwise. In light of these risks, uncertainties, and assumptions,
the forward-looking events discussed in this report might not occur. Our actual
results could differ materially from those anticipated in these forward-looking
statements for many reasons, including the risks we face as described in this
Quarterly Report and readers are cautioned not to place undue reliance on these
forward-looking statements, which reflect management's analysis only as of the
date hereof. Such forward-looking statements include statements as to, among
others:

- revenues;

- gross profit;

- research and development expenses;

- marketing, general and administrative expenses;

- restructuring activities, expenses and associated annualized
savings;

- interest and other income;

- capital resources sufficiency;

- capital expenditures; and

- our business outlook.


PMC releases earnings at regularly scheduled times after the end of each
reporting period. Typically within one hour of the release, we will hold a
conference call to discuss our performance during the period. We welcome all PMC
stockholders to listen to these calls either by phone or over the Internet by
accessing our website at www.pmc-sierra.com.


Results of Operations

Third Quarters of 2002 and 2001


Net Revenues ($000,000)
Third Quarter
----------------------------
2002 2001 Change

Networking products $ 59.4 $ 55.3 7%
Non-networking products 0.2 6.3 ( 97%)
----------------------------
Total net revenues $ 59.6 $ 61.6 ( 3%)
============================


11



Net revenues declined $2.0 million, or 3%, in the third quarter of 2002 compared
to the same quarter a year ago.

Networking revenues increased by $4.1 million, or 7%, in the third quarter of
2002 compared to the third quarter of 2001 due to the revenue growth of our
microprocessor networking parts.

Non-networking revenues decreased 97% in the third quarter of 2002 compared to
the third quarter of 2001 due to decreased unit sales to our principal customer
in this segment as this product has reached the end of its life.

Gross Profit ($000,000)
Third Quarter
------------------------
2002 2001 Change

Networking products $ 36.3 $ 34.7 5%
Non-networking products 0.1 2.5 ( 96%)
------------------------
Total gross profit $ 36.4 $ 37.2 ( 2%)
========================
Percentage of net revenues 61% 60%



Total gross profit declined $0.8 million, or 2%, in the third quarter of 2002
compared to the same quarter a year ago.

Networking gross profit for the third quarter of 2002 increased by $1.6 million
from the third quarter of 2001 due to an increase in networking revenue and a
reduction in manufacturing costs. Unit sales of networking products in the third
quarter of 2002 increased from the third quarter of 2001, but more of these
products were sold into higher volume lower margin applications compared to
2001.

Networking gross profit as a percentage of networking revenues decreased two
percentage points from 63% in the third quarter of 2001 to 61% in the third
quarter of 2002. This decrease resulted primarily from the following factors:

- an increase in the quantity of networking products sold into higher
volume lower margin applications, that reduced gross profit by 5
percentage points; and

- the effect of lower manufacturing costs over higher shipment volumes,
which improved gross profit by 3 percentage points.

Non-networking gross profit for the third quarter of 2002 decreased by $2.4
million from the third quarter of 2001 due to a reduction in sales volume.

12



Operating Expenses and Charges ($000,000)
Third Quarter
-------------------------
2002 2001 Change

Research and development $ 34.0 $ 48.7 ( 30%)
Percentage of net revenues 57% 79%

Marketing, general and administrative $ 16.0 $ 22.7 ( 30%)
Percentage of net revenues 27% 37%

Amortization of deferred stock compensation:
Research and development $ 0.5 $ 1.4
Marketing, general and administrative - 0.2
-------------------------
$ 0.5 $ 1.6
-------------------------
Percentage of net revenues 1% 3%

Amortization of goodwill $ - $ 6.0



Research and Development and Marketing, General and Administrative Expenses:

Our research and development, or R&D, expenses decreased by $14.7 million, or
30%, in the third quarter of 2002 compared to the same quarter a year ago due to
the restructuring and cost reduction programs implemented in the fourth quarter
of 2001. As a result, we reduced our R&D personnel and related costs by $7.8
million and other R&D expenses by $6.9 million compared to the third quarter of
2001. See also Restructuring costs and other special charges.

Our marketing, general and administrative, or MG&A, expenses decreased by $6.7
million, or 30%, in the third quarter of 2002 compared to the same quarter a
year ago. As a result of the restructuring and cost reduction programs
implemented in 2001, we reduced our MG&A personnel and related costs by $1.7
million and other MG&A expenses by $5.0 million compared to the third quarter of
2001. See also Restructuring costs and other special charges.


Amortization of Deferred Stock Compensation:

We recorded a non-cash charge of $0.5 million for amortization of deferred stock
compensation in the third quarter of 2002 compared to a $1.6 million charge in
the third quarter of 2001. Deferred stock compensation charges decreased
compared to the same quarter last year due to the accelerated amortization of
deferred stock compensation, which results in a declining amortization expense
over the amortization period.


Amortization of Goodwill:

We adopted the Statement of Financial Accounting Standard No. 142 (SFAS 142),
"Goodwill and Other Intangible Assets" on a prospective basis at the beginning
of 2002 and stopped amortizing goodwill in accordance with the non-amortization
provisions of SFAS 142. The impact of not amortizing goodwill on the net income
and net income per share for the comparative prior period is provided in Note 1
to the condensed consolidated financial statements.


13


Interest and other income, net

Net interest and other income decreased to $1.4 million in the third quarter of
2002 from $2.7 million in the third quarter of 2001. An increase in interest
income due to higher average cash balances resulting from the issuance of
convertible subordinated notes in the third quarter of 2001 was offset by lower
investment yields, and interest expense and amortized issuance costs related to
the notes.


Gain on sale of investments

During the third quarter of 2002, we realized a pre-tax gain of $0.1 million as
a result of our disposition of a portion of our investment in Sierra Wireless
Inc.


Provision for income taxes

We recorded a tax recovery of $3.4 million in the third quarter of 2002 relating
to losses and tax credits generated in Canada which will result in a recovery of
taxes paid in prior periods. We have provided a valuation allowance on other
deferred tax assets generated in the quarter because of uncertainty regarding
their realization.


First Nine Months of 2002 and 2001


Net Revenues ($000,000)
First Nine Months
----------------------------
2002 2001 Change

Networking products $ 160.1 $ 257.8 ( 38%)
Non-networking products 5.4 17.8 ( 70%)
----------------------------
Total net revenues $ 165.5 $ 275.6 ( 40%)
============================



Net revenues decreased by $110.1 million, or 40%, in the first nine months of
2002 compared to the same period a year ago.

Networking revenues declined $97.7 million, or 38%, in the first nine months of
2002 compared to the first nine months of 2001 due to decreased unit sales of
our networking products caused by reduced demand for our customers' products and
excess inventories of some of our products accumulated by our customers.

Non-networking revenues declined 70% in the first nine months of 2002 compared
to the first nine months of 2001 due to decreased unit sales to our principal
customer in this segment as this product has reached the end of its life.

14


Gross Profit ($000,000)
First Nine Months
----------------------------
2002 2001 Change

Networking products $ 98.7 $ 157.1 ( 37%)
Non-networking products 2.3 7.4 ( 69%)
----------------------------
Total gross profit $ 101.0 $ 164.5 ( 39%)
============================
Percentage of net revenues 61% 60%


Total gross profit declined $63.5 million, or 39%, in the first nine months of
2002 compared to the same period a year ago.

Networking gross profit for the first nine months of 2002 decreased by $58.4
million from the first nine months of 2001. Lower sales volume in the first nine
months of 2002 resulted in a networking gross profit decrease of $72.6 million.
This decrease in networking gross profit was offset in part by a $14.2 million
write-down of excess inventory recorded in the first nine months of 2001. There
was no write-down of excess inventory in the first nine months of 2002.

Networking gross profit as a percentage of networking revenues increased one
percentage point from 61% in the first nine months of 2001 to 62% in the first
nine months of 2002. This increase resulted from the following factors:

- the effect of recording a $14.2 million write-down of excess inventory
in the first nine months of 2001 compared to none in the first nine
months of 2002, which resulted in higher gross profit by 9 percentage
points,

- the effect of applying manufacturing costs over reduced shipment
volumes, which lowered gross profit by 6 percentage points, and

- an increase in the quantity of networking products sold into higher
volume lower margin applications, that reduced gross profit by 2
percentage points.

Non-networking gross profit for the first nine months of 2002 decreased by $5.1
million from the first nine months of 2001 due to a reduction in sales volume.


15





Operating Expenses and Charges ($000,000)
First Nine Months
-----------------------------
2002 2001 Change

Research and development $ 104.6 $ 159.9 ( 35%)
Percentage of net revenues 63% 58%

Marketing, general and administrative $ 49.6 $ 71.9 ( 31%)
Percentage of net revenues 30% 26%

Amortization of deferred stock compensation:
Research and development $ 2.1 $ 31.4
Marketing, general and administrative 0.2 1.2
-----------------------------
Total $ 2.3 $ 32.6
-----------------------------
Percentage of net revenues 1% 12%

Amortization of goodwill $ - $ 41.6

Restructuring costs $ - $ 19.9

Impairment of goodwill and purchased intangible assets $ - $ 189.0




Research and Development and Marketing, General and Administrative Expenses:

Our research and development, or R&D, expenses decreased by $55.3 million, or
35%, in the first nine months of 2002 compared to the same period a year ago due
to the restructuring and cost reduction programs implemented in the first and
fourth quarters of 2001. As a result of these restructuring and cost reduction
initiatives, we reduced our R&D personnel and related costs by $30.6 million and
other R&D expenses by $24.7 million compared to the first nine months of 2001.
See also Restructuring costs and other special charges.

Our marketing, general and administrative, or MG&A, expenses decreased by $22.3
million, or 31%, in the first nine months of 2002 compared to the same period a
year ago. Of this decrease, $4.0 million was attributable to lower sales
commissions as a result of lower revenues. The remainder was attributable to the
restructuring and cost reduction programs implemented in 2001, which reduced our
MG&A personnel and related costs by $8.7 million and other MG&A expenses by $9.6
million compared to the first nine months of 2001. See also Restructuring costs
and other special charges.


Amortization of Deferred Stock Compensation:

We recorded a non-cash charge of $2.3 million for amortization of deferred stock
compensation in the first nine months of 2002 compared to a $32.6 million charge
in the first nine months of 2001. Deferred stock compensation charges decreased
in 2002 compared to the same period last year primarily due to deferred stock
compensation charges in the first quarter of 2001 for employees whose vesting
was accelerated upon termination as part of our March 2001 restructuring.


16


Amortization of Goodwill:

We adopted the Statement of Financial Accounting Standard No. 142 (SFAS 142),
"Goodwill and Other Intangible Assets" on a prospective basis at the beginning
of 2002 and stopped amortizing goodwill in accordance with the non-amortization
provisions of SFAS 142. The impact of not amortizing goodwill on the net income
and net income per share for the comparative prior period is provided in Note 1
to the condensed consolidated financial statements.


Restructuring costs and other special charges:

Restructuring - March 26, 2001

In the first quarter of 2001, we implemented a restructuring plan in response to
the decline in demand for our networking products and consequently recorded a
restructuring charge of $19.9 million. The restructuring plan included the
involuntary termination of 223 employees across all business functions, the
consolidation of a number of facilities and the curtailment of certain research
and development projects.

We completed the restructuring activities contemplated in this plan. We made
total payments of $2.8 million related to the March 2001 restructuring during
the first six months of 2002. The remaining restructuring liability of $1.5
million at June 30, 2002 related primarily to facility lease payments, net of
estimated sublease revenues, and was classified as accrued liabilities on the
balance sheet at the end of June 2002.

As a result of this restructuring, we have achieved annualized savings of
approximately $28.2 million in cost of revenues and operating expenses based on
the expenditure levels at the time of this restructuring.

Restructuring - October 18, 2001

Due to a continued decline in market conditions, we implemented a second
restructuring plan in the fourth quarter of 2001 to reduce our operating cost
structure. This restructuring plan included the termination of 341 employees,
the consolidation of additional excess facilities, and the curtailment of
additional research and development projects. As a result, we recorded a second
restructuring charge of $175.3 million in the fourth quarter of 2001.

During the first nine months of 2002, we made the following payments related to
the October 2001 restructuring:



Restructuring
Balance at Cash Liability at
(in thousands) Dec 30, 2001 Payments Sep 29, 2002
- -----------------------------------------------------------------------------------------------


Workforce reduction $ 6,784 $ (3,313) $ 3,471

Facility lease and contract settlement costs 150,210 (18,315) 131,895

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

Total $ 156,994 $ (21,628) $ 135,366
==========================================



17


We expect to complete the restructuring activities contemplated in the October
2001 restructuring plan in the fourth quarter of 2002. Upon conclusion of these
restructuring activities and the final disposition of our surplus leased
facilities, we expect to achieve annualized savings of approximately $67.6
million in cost of revenues and operating expenses based on the expenditure
levels at the time of this restructuring.


Impairment of Goodwill and Purchased Intangible Assets:

In conjunction with the implementation of SFAS 142, we completed the
transitional impairment test as of the beginning of 2002 and determined that a
transitional impairment charge would not be required.

In the second quarter of 2001, we recorded a charge of $189.0 million to
recognize an impairment of goodwill recorded in connection with the June 2000
purchase of Malleable Technologies. In June 2001, management decided to
discontinue further development of the technology acquired from Malleable. The
related goodwill was determined to be impaired as we did not expect to receive
any future cash flows related to this asset and we had no alternative use for
this technology.


Interest and other income, net

Net interest and other income decreased to $4.1 million in the first nine months
of 2002 from $12.2 million in the first nine months of 2001. An increase in
interest income due to higher cash balances resulting from the issuance of
convertible subordinated notes in the third quarter of 2001 was offset by lower
investment yields, and interest expense and amortized issuance costs related to
the notes.


Gain on sale of investments

During the first nine months of 2002, we realized a pre-tax gain of $3.1 million
as a result of our disposition of a portion of our investment in Sierra Wireless
Inc. and one other publicly held company. We continue to hold 2.1 million shares
of Sierra Wireless Inc.

During the first nine months of 2001, we disposed of our investment in a
privately held company and realized a pre-tax gain of approximately $0.4
million.

Provision for income taxes

We recorded a tax recovery of $13.8 million in the first nine months of 2002
relating to losses and tax credits generated in Canada which will result in a
recovery of taxes paid in prior periods. We have provided a valuation allowance
on other deferred tax assets generated in 2002 because of uncertainty regarding
their realization.


Business Outlook

While our revenues increased in each of the first three quarters of 2002 they
are expected to decline 10%-15% in the fourth quarter from the third quarter
revenue of $59.6 million. Our expectations regarding fourth quarter revenues are
based on orders already shipped, order backlog scheduled to ship during the
remainder of the quarter and an estimate of new orders we expect to receive
which will ship before year end.

18


The expected decline in fourth quarter revenues is primarily related to
additional announced cuts in capital expenditures by the network service
providers, which will directly impact our networking equipment customers. Our
component sales to the networking equipment companies account for a majority of
our total revenues and we estimate that over 60% of our shipments go into
equipment that is then sold to network service providers.

Our visibility of future revenues has generally been limited to a single quarter
even during periods of robust growth. We expect that network service provider
capital spending plans and our ability to penetrate enterprise and storage
networking markets will result in considerable variability in our quarter to
quarter revenues.

We expect our fourth quarter gross profit percentage to decline from the 61%
level of the third quarter due to fixed expenses being spread over a lower
revenue base.

Aggregate spending on research and development (R&D) and marketing, general and
administrative (MG&A) expenses, has declined in each of the last seven quarters
compared to the preceding quarter. We expect a further modest decline of these
expenses in the fourth quarter of 2002.

We expect to complete the restructuring activities contemplated in the October
2001 restructuring plan in the fourth quarter of 2002. Substantially all of the
savings from this plan are encompassed in the R&D and MG&A outlook above.

We expect that our net interest income will reflect a 2.1% to 2.4% yield on our
cash, short-term investments and investment in bonds and notes as well as a cost
of 3.75% on our convertible subordinated notes. Other income consists primarily
of realized capital gains and losses as well as our estimate of any impairment
in our investments in private companies and venture funds. We will conduct a
detailed review of these investments during the fourth quarter, which may result
in an impairment charge for other than temporary declines in the value of our
holdings in private companies and investment funds.

Liquidity & Capital Resources

Our principal sources of liquidity at September 29, 2002 were our cash, cash
equivalents and short-term investments of $422 million. We also held $146
million of investments in bonds and notes with maturities ranging from 12 to 30
months. The aggregate cash and investments of $568 million at the end of the
third quarter of 2002 was $14 million lower than it was on December 30, 2001.

In the first nine months of 2002, we used $16 million for operating activities,
$3 million for purchases of property and equipment and $4 million net for other
investments. We generated $9 million of cash through financing activities,
primarily the issuance of common stock.

We invested our portfolio of short and long term bonds and notes in US and
Canadian government securities and corporate debt securities having an S&P
rating of A or better. All of our bond and note investments have a maturity of
30 months or less. We invest these capital resources primarily for preservation
of capital and secondarily for yield.

We have a line of credit with a bank that allows us to borrow up to $25 million
provided, along with other restrictions, that we do not pay cash dividends or
make any material divestments without the bank's written consent. At September
29, 2002 we had committed approximately $5 million of this facility under
letters of credit as security for office leases.

19


We have cash commitments made up of the following:





As at September 29, 2002 (in thousands) Payments Due
- ------------------------------------------------------------------------------------------------------------------------------------
Balance After

Contractual Obligations Total 2002 2003 2004 2005 2006 2006


Capital Lease Obligations $ 93 $ 93 $ - $ - $ - $ - $ -
Operating Lease Obligations:
Minimum Rental Payments 278,627 7,777 31,694 31,382 30,603 29,767 147,404
Estimated Operating Cost Payments 62,922 1,822 7,359 7,052 6,962 8,624 31,103
Long Term Debt:
Principal Repayment 275,000 - - - - 275,000 -
Interest Payments 41,252 - 10,313 10,313 10,313 10,313 -
----------------------------------------------------------------------------------------
657,894 $ 9,692 $ 49,366 $ 48,747 $ 47,878 $ 323,704 $ 178,507
=============================================================================
Venture Investment Commitments (see below) 39,503
------------
Total Contractual Cash Obligations $ 697,397
============



Our long-term debt requires semi-annual interest payments of approximately $5.2
million to holders of our convertible notes. These interest payments are due on
February 15 and August 15 of each year, with the last payment being due on
August 15, 2006.

We participate in four professionally managed venture funds that invest in
early-stage private technology companies in markets of strategic interest to us.
From time to time these funds request additional capital for private placements.
We have committed to invest an additional $39.5 million into these funds, which
may be requested by the fund managers at any time over the next eight years.

We believe that existing sources of liquidity will satisfy our restructuring
obligations and our projected operating, working capital, venture investing,
debt interest, capital expenditure and wafer deposit requirements through the
end of 2002. We expect to spend $2 million to $3 million on new capital
additions during the fourth quarter of 2002.


Recently issued accounting standards

In July 2001, the Financial Accounting Standards Board (FASB) issued Statement
of Financial Accounting Standard No. 141 (SFAS 141), "Business Combinations" and
Statement of Financial Accounting Standard No. 142 (SFAS 142), "Goodwill and
Other Intangible Assets".

SFAS 141 requires that business combinations be accounted for under the purchase
method of accounting and addresses the initial recognition and measurement of
assets acquired, including goodwill and intangibles, and liabilities assumed in
a business combination. We adopted SFAS 141 on a prospective basis effective
July 1, 2001. The adoption of SFAS 141 did not have a material effect on our
financial statements, but will impact the accounting treatment of future
acquisitions.

SFAS 142 requires goodwill to be allocated to, and assessed as part of, a
reporting unit. Further, SFAS 142 specifies that goodwill will no longer be
amortized but instead will be subject to impairment tests at least annually. In
conjunction with the implementation of SFAS 142, we completed the transitional
impairment test as of the beginning of 2002 and determined that a transitional
impairment charge would not be required.

20


We adopted SFAS 142 on a prospective basis at the beginning of fiscal 2002 and
stopped amortizing goodwill totaling $7.1 million, thereby eliminating annual
goodwill amortization of approximately $2.0 million in 2002. If we had stopped
amortizing goodwill at the beginning of fiscal 2001, our net loss for the third
quarter of 2001 would have been reduced by $6.1 million, or $0.03 per share, and
our net loss for the first nine months of 2001 would have been reduced by $42.1
million, or $0.25 per share.

In October 2001, the FASB issued Statement of Financial Accounting Standard No.
144 (SFAS 144), "Accounting for the Impairment or Disposal of Long-Lived
Assets". SFAS 144 supersedes Statement of Financial Accounting Standard No. 121
(SFAS 121), "Accounting for the Impairment of Long-Lived Assets and for
Long-Lived Assets to Be Disposed Of" and the accounting and reporting provisions
of APB Opinion No. 30 for the disposal of a business segment. SFAS 144
establishes a single accounting model, based on the framework established in
SFAS 121, for long-lived assets to be disposed of by sale. The Statement also
broadens the presentation of discontinued operations to include disposals of a
component of an entity and provides additional implementation guidance with
respect to the classification of assets as held-for-sale and the calculation of
an impairment loss. We adopted SFAS 144 at the beginning of fiscal 2002. The
adoption of SFAS 144 did not have a material impact on our financial statements.

In June 2002, the FASB issued Statement of Financial Accounting Standard No. 146
(SFAS 146), "Accounting for Costs Associated with Exit or Disposal Activities".
SFAS 146 requires that the liability for a cost associated with an exit or
disposal activity be recognized at its fair value when the liability is
incurred. Under previous guidance, a liability for certain exit costs was
recognized at the date that management committed to an exit plan. As SFAS 146 is
effective only for exit or disposal activities initiated after December 31,
2002, we do not expect the adoption of this statement to have a material impact
on our financial statements.


FACTORS THAT YOU SHOULD CONSIDER BEFORE INVESTING IN PMC-SIERRA

Our company is subject to a number of risks - some are normal to the fabless
networking semiconductor industry, some are the same or similar to those
disclosed in previous SEC filings, and some may be present in the future. You
should carefully consider all of these risks and the other information in this
report before investing in PMC. The fact that certain risks are endemic to the
industry does not lessen the significance of the risk.

As a result of these risks, our business, financial condition or operating
results could be materially adversely affected. This could cause the trading
price of our securities to decline, and you may lose part or all of your
investment.

We are subject to rapid changes in demand for our products due to customer
inventory levels, production schedules, competitive alternatives, fluctuations
in demand for networking equipment and our customer concentration.

As a result of these factors, we have very limited revenue visibility and the
rate by which revenues are booked and shipped within the same reporting period
is typically unpredictable. In addition, our net bookings can vary sharply up
and down within a quarter.

21


Our total revenues have declined compared to the third quarter of 2001
due to reduced demand in some of the markets that we serve. While we
predict sequential networking revenue to decline in the fourth quarter
of 2002, our revenues may decrease further than expected during the
quarter or thereafter.

Many service providers -- the customers that are served by the networking
equipment companies that we in turn supply with communications components --
have reported lower than expected demand for their services or products,
increased competition, poor operating results, and significant debt on their
balance sheets. Many of these service providers, including some of the largest
companies in the industry, have either filed for bankruptcy or may become
insolvent in the near future. Most service providers have changed their
strategies from rapid growth to cash preservation. This has resulted in a
continued decline in capital expenditures on the networking equipment that our
customers sell. Service providers continue to focus on de-leveraging their
balance sheets and are decreasing or changing the nature of their capital
expenditures further.

In response to the actual and anticipated declines in networking equipment
demand, many of our customers and their contract manufacturers have undertaken
initiatives to significantly reduce expenditures and component inventories.
Consequently, they have cancelled or rescheduled orders for our networking
products. As a result, our estimate of revenues for a quarter, which is in part
based on order backlog scheduled to ship during the quarter, may not be
accurate. In addition, many platforms into which our products are designed have
been cancelled as our customers cancel or restructure product development
initiatives or as venture-financed startup companies fail. Our revenues may be
materially and adversely impacted if these conditions continue or worsen.

While we believe that our customers and their contract manufacturers are
consuming a portion of their inventory of PMC products, we believe that those
inventories as well as the weakened demand that our customers are experiencing
for their products, will likely depress our revenues and profit margins in the
short term. We cannot accurately predict how quickly our customers will consume
their inventories of our products or the timing and degree to which demand for
sales of our products will strengthen or weaken.

Our customers may cancel or delay the purchase of our products for
reasons other than the industry downturn described above.

Many of our customers have numerous product lines, numerous component
requirements for each product, large and complex supplier structures, and often
engage contract manufacturers to supplement their manufacturing capacity. This
makes forecasting their production requirements difficult and can lead to an
inventory surplus of certain of their components.

Our customers and their contract manufacturers often shift buying patterns as
they manage inventory levels, decide to use competing products, are acquired or
divested, market different products, or change production schedules.

In addition, we believe that uncertainty in our customers' end markets, reduced
backlog for their products, and our customers' increased focus on cash
management has caused our customers to delay product orders and reduce delivery
lead-time expectations. We expect this will increase the proportion of our
networking revenues in future periods that will be from orders placed and
fulfilled within the same period. We have recently experienced customer requests
to shorten delivery schedules. This will decrease our ability to accurately
forecast, and may lead to greater fluctuations in, operating results.

We rely on a few customers for a major portion of our sales, any one of
which could materially impact our revenues should they change their
ordering pattern.

22


We depend on a limited number of customers for a major portion of our revenues
and all of these companies have recently announced order shortfalls for some of
their products.

We do not have long-term volume purchase commitments from any of our major
customers. Accordingly, our future operating results will continue to depend on
the success of our largest customers and on our ability to sell existing and new
products to these customers in significant quantities. The loss of a key
customer, or a reduction in our sales to any key customer or our inability to
attract new significant customers could materially and adversely affect our
business, financial condition or results of operations.

If the recent trend of consolidation in the networking industry
continues, many of our customers may be acquired, sold or may choose to
restructure their operations, which could lead those customers to
cancel product lines or development projects that could result in our
revenues declining.

The networking equipment industry is experiencing significant merger activity
and partnership programs. Through mergers or partnerships, our customers could
seek to remove duplication or overlap in their product lines or development
initiatives. This could lead to the cancellation of a product line into which
our products are designed or a development project in which we are
participating. In the case of a product line cancellation, our revenues could be
negatively impacted. In the case of a development project cancellation, we may
be forced to cancel development of one or more products, which could mean
opportunities for future revenues from this development initiative could be
lost.

Design wins do not translate into near-term revenues and the timing of revenues
from newly designed products is often uncertain.

We have announced design wins for existing and new products. While some industry
analysts may use design wins as a metric for future revenues, many design wins
will not generate any revenues as customer projects are cancelled or rejected by
their end market. In the event a design win generates revenue, the amount of
revenue will vary greatly from one design win to another. In addition, most
revenue-generating design wins do not translate into near term revenues. Most
revenue-generating design wins take greater than two years to generate
meaningful revenue.

Our revenue expectations include growing sales of newer semiconductors based on
early adoption of those products by customers. These expectations would not be
achieved if early sales of new system level products by our customers do not
increase over time. We may experience this more with design wins from early
stage companies, who tend to focus on leading-edge technologies which may be
adopted less rapidly in the current environment by telecommunications service
providers.

Our restructurings have curtailed our resources and we may need to restructure
again if business conditions weaken further.

On March 26 and October 18, 2001, we announced plans to restructure our
operations in response to the decline in demand for our networking products. We
implemented these restructurings in an effort to bring our expenses into line
with our reduced revenue expectations. However, we expect to continue to incur
net losses for at least the remainder of 2002.

23


Restructuring plans require significant management resources to execute and we
may fail to achieve our targeted goals. We may have incorrectly anticipated the
demand for our products, and may be forced to restructure further or may incur
further operating charges due to poor business conditions. Some of our product
development initiatives may be delayed or cancelled due to the reduction in our
development resources.

Our revenues may decline if our customers use our competitors' products instead
of ours; if they suffer further reductions in demand for their products; or if
they are acquired or sold.

We are experiencing significantly greater competition from many different market
participants as the market in which we participate matures. In addition, we are
expanding into markets, such as the wireless infrastructure, storage and generic
microprocessor markets, which have established incumbents with substantial
financial and technological resources. We expect fiercer competition than that
which we have traditionally faced as some of these incumbents derive a majority
of their earnings from these markets.

All of our competitors pose the following threats to us:

As our customers increase the frequency with which they design next
generation systems and select the chips for those new systems, our
competitors have an increased opportunity to convince our customers to
use their products, which may cause our revenues to decline.

We typically face competition at the design stage, where customers evaluate
alternative design approaches requiring integrated circuits. Our competitors may
have more opportunities to supplant our products in next generation systems
because of the shortening product life and design-in cycles in many of our
customers' products.

In addition, as a result of the industry downturn, and as semiconductors sourced
from third party suppliers comprise a greater portion of the total materials
cost in our customers' equipment, our customers are becoming more price
conscious than in the past. We have also experienced increased price
aggressiveness from some competitors that wish to enter into the market segments
in which we participate. These circumstances may make some of our products
price-uncompetitive or force us to match low prices. We may lose design
opportunities or may experience overall declines in gross margins as a result of
increased price competition.

The markets for our products are intensely competitive and subject to rapid
technological advancement in design tools, wafer manufacturing techniques,
process tools and alternate networking technologies. We may not be able to
develop new products at competitive pricing and performance levels. Even if we
are able to do so, we may not complete a new product and introduce it to market
in sufficient time. Our customers may substitute our products in their next
generation equipment with those of current or future competitors.

Increasing competition in our industry will make it more difficult to
achieve design wins.

We face significant competition from three major fronts. First, we compete
against established peer-group semiconductor companies that focus on the
communications semiconductor business. These companies include Agere Systems,
Applied Micro Circuits Corporation, Broadcom, Exar Corporation, Conexant
Systems, Marvell Technology Group, Multilink Technology Corporation, Silicon
Image, Transwitch and Vitesse Semiconductor. Many of these companies are well
financed, have significant communications semiconductor technology assets, have
established sales channels, and are dependent on the market in which we
participate for the majority of their revenues.

24


Other competitors include our customers' internal ASIC groups and major domestic
and international semiconductor companies, such as Agilent, Cypress
Semiconductor, Intel, IBM, Infineon, Integrated Device Technology, Maxim
Integrated Products, Motorola, Nortel Networks, and Texas Instruments. These
companies are concentrating an increasing amount of their substantial financial
and engineering resources on the markets in which we participate and are
incumbents in the new markets we are targeting. This represents a serious
competitive threat to us.

Emerging venture-backed companies also provide competition in our segment of the
semiconductor market. These companies tend to focus on specific portions of our
broad range of products and in the aggregate, represent a significant threat to
our product lines. In addition, these companies could introduce disruptive
technologies that may make our technologies and products obsolete.

Over the next few years, we expect additional competitors, some of which may
also have greater financial and other resources, to enter the market with new
products. These companies, individually or collectively, could represent future
competition for many design wins, and subsequent product sales.

Due to long development times and changing market dynamics, we may inaccurately
anticipate customer needs and expend research and development resources but fail
to increase revenues.

We must often redesign our products to meet rapidly evolving industry
standards and customer specifications, which may prevent or delay
future revenue growth.

We sell products to a market whose characteristics include rapidly evolving
industry standards, product obsolescence, and new manufacturing and design
technologies. Many of the standards and protocols for our products are based on
high-speed networking technologies that have not been widely adopted or ratified
by one or more of the standard-setting bodies in our customers' industry. Our
customers often delay or alter their design demands during this standard-setting
process. In response, we must redesign our products to suit these changing
demands. Redesign usually delays the production of our products. Our products
may become obsolete during these delays.

Since many of the products we develop do not reach full production
sales volumes for a number of years, we may incorrectly anticipate
market demand and develop products that achieve little or no market
acceptance.

Our products generally take between 12 and 24 months from initial
conceptualization to development of a viable prototype, and another 6 to 18
months to be designed into our customers' equipment and into production. Our
products often must be redesigned because manufacturing yields on prototypes are
unacceptable or customers redefine their products to meet changing industry
standards or customer specifications. As a result, we develop products many
years before volume production and may inaccurately anticipate our customers'
needs.

We are exposed to increased credit risk of some of our customers and we may have
difficulty collecting receivables from customers.

Many of our customers employ contract manufacturers to produce their products
and manage their inventories. Many of these contract manufacturers represent
greater credit risk than our networking equipment customers, who generally do
not guarantee our receivables related to their contract manufacturers.

25


In addition, international debt rating agencies have significantly downgraded
the bond ratings on a number of our larger customers, which had traditionally
been considered financially stable. Should these companies enter into
receivership or breach debt covenants, our significant accounts receivables with
these companies could be jeopardized.

Our business strategy contemplates acquisition of other companies or
technologies, which could adversely affect our operating performance.

Acquiring products, technologies or businesses from third parties is part of our
business strategy. Management may be diverted from our operations while they
identify and negotiate these acquisitions and integrate an acquired entity into
our operations.

An acquisition could absorb substantial cash resources, require us to incur or
assume debt obligations, or issue additional equity. If we issue more equity, we
may dilute our common stock with securities that have an equal or a senior
interest.

Acquired entities also may have unknown liabilities, and the combined entity may
not achieve the results that were anticipated at the time of the acquisition.

The complexity of our products could result in unforeseen delays or expenses and
in undetected defects or bugs, which could adversely affect the market
acceptance of new products and damage our reputation with current or prospective
customers.

Although we, rigorously test our products as do our customers and our suppliers,
our highly complex products regularly contain defects or bugs. We have in the
past experienced, and may in the future experience, these defects and bugs. If
any of our products contain defects or bugs, or have reliability, quality or
compatibility problems that are significant to our customers, our reputation may
be damaged and customers may be reluctant to buy our products. This could
materially and adversely affect our ability to retain existing customers or
attract new customers. In addition, these defects or bugs could interrupt or
delay sales to our customers.

We may have to invest significant capital and other resources to alleviate
problems with our products. If any of these problems are not found until after
we have commenced commercial production of a new product, we may be required to
incur additional development costs and product recall, repair or replacement
costs. These problems may also result in claims against us by our customers or
others. In addition, these problems may divert our technical and other resources
from other development efforts. Moreover, we would likely lose, or experience a
delay in, market acceptance of the affected product or products, and we could
lose credibility with our current and prospective customers.

The loss of personnel could preclude us from designing new products.

To succeed, we must retain and hire technical personnel highly skilled at the
design and test functions needed to develop high-speed networking products and
related software. The competition for such employees is intense.

We do not have employment agreements in place with many of our key personnel. As
employee incentives, we issue common stock options that generally have exercise
prices at the market value at the time of grant and that are subject to vesting.
Recently, our stock price has declined substantially. The stock options we grant
to employees are effective as retention incentives only if they have economic
value.

We anticipate lower margins on high volume products, which could adversely
affect our profitability.

26


We expect the average selling prices of our products to decline as they mature.
Historically, competition in the semiconductor industry has driven down the
average selling prices of products. If we price our products too high, our
customers may use a competitor's product or an in-house solution. To maintain
profit margins, we must reduce our costs sufficiently to offset declines in
average selling prices, or successfully sell proportionately more new products
with higher average selling prices. Yield or other production problems, or
shortages of supply may preclude us from lowering or maintaining current
operating costs.

Our customers are becoming more price conscious than in the past as a result of
the industry downturn, and as semiconductors sourced from third party suppliers
comprise a greater portion of the total materials cost in our customers'
equipment. We have also experienced more aggressive price competition from
competitors that wish to enter into the market segments in which we participate.
These circumstances may make some of our products less competitive and we may be
forced to decrease our prices significantly to win a design. We may lose design
opportunities or may experience overall declines in gross margins as a result of
increased price competition.

In addition, our networking products range widely in terms of the margins they
generate. A change in product sales mix which could occur at any time, may
impact our operating results materially.

We may not be able to meet customer demand for our products if we do not
accurately predict demand or if we fail to secure adequate wafer fabrication,
test, or assembly capacity.

We currently do not have the ability to accurately predict what products our
customers will need in the future. Anticipating demand is difficult because: our
customers face volatile demand for their end-user networking equipment; our
customers are focused more on cash preservation and tighter inventory
management; and we supply a large number of products to a variety of customers
and contract manufacturers who have many equipment programs for which they
purchase our products. If we do not accurately predict what mix of products our
customers may order, we may not be able to meet our customers' demand in a
timely manner or we may be left with unwanted inventory.

In some circumstance, we have experienced customer requests to considerably
expedite delivery times for orders. A shortage in supply could adversely impact
our ability to satisfy customer demand, which could adversely affect our
customer relationships along with our current and future operating results.

We rely on a limited number of wafer fabrication suppliers, the loss of
any one of them could delay and limit our product shipments.

We do not own or operate a wafer fabrication facility. Three outside foundry
suppliers provide greater than 90% of our semiconductor device requirements. One
of these suppliers provides a majority of our semiconductor device requirements.
Our foundry suppliers also produce products for themselves and other companies.
In addition, we may not have access to adequate capacity or certain process
technologies. We have less control over delivery schedules, manufacturing yields
and costs than competitors with their own fabrication facilities. If the
foundries we use are unable or unwilling to manufacture our products in required
volumes, we may have to identify and qualify acceptable additional or
alternative foundries. This qualification process could take six months or
longer. We may not find sufficient capacity quickly enough, if ever, to satisfy
our production requirements.

Some companies that supply the same customers as we do are similarly dependent
on a limited number of suppliers to produce their products. These other
companies' products may be designed into the same networking equipment into
which our products are designed. Our order levels could be reduced materially if
these companies are unable to access sufficient production capacity to produce
in volumes demanded by our customers because our customers may be forced to slow
down or halt production on the equipment into which our products are designed.

27


We depend on third parties in Asia for assembly of our semiconductor
products that could delay and constrain our product shipments.

Sub-assemblers in Asia assemble most of our semiconductor products. Raw material
shortages, political and social instability, assembly house service disruptions,
currency fluctuations, or other circumstances in the region could force us to
seek additional or alternative sources of supply or assembly. This could lead to
supply constraints or product delivery delays that, in turn, may result in the
loss of revenues. We have less control over delivery schedules, assembly
processes, quality assurances and costs than our competitors that do not
outsource these tasks.

We depend on a limited number of design software suppliers.

A limited number of suppliers provide the computer aided design, or CAD,
software we use to design our products. Factors affecting the price,
availability or technical capability of these products could affect our ability
to access appropriate CAD tools for the development of highly complex products.
In particular, the CAD software industry has been the subject of extensive
intellectual property rights litigation, the results of which could materially
change the pricing and nature of the software we use. We also have limited
control over whether our software suppliers will be able to overcome technical
barriers in time to fulfill our needs.

We are subject to the risks of conducting business outside the United States to
a greater extent than companies that operate their businesses mostly in the
United States, which may impair our sales, development or manufacturing of our
products.

We are subject to the risks of conducting business outside the United States to
a greater extent than most companies because, in addition to selling our
products in a number of countries, we have a significant portion of our research
and development and manufacturing conducted outside the United States.

The geographic diversity of our business operations could hinder our ability to
coordinate design and sales activities. If we are unable to develop systems and
communication processes to support our geographic diversity, we may suffer
product development delays or strained customer relationships.

We may lose our ability to design or produce products, could face
additional unforeseen costs or could lose access to key customers if
any of the nations in which we conduct business impose trade barriers
or new communications standards.

We may have difficulty obtaining export licenses for certain technology produced
for us outside the United States. If a foreign country imposes new taxes,
tariffs, quotas, and other trade barriers and restrictions or the United States
and a foreign country develop hostilities or change diplomatic and trade
relationships, we may not be able to continue manufacturing or sub-assembly of
our products in that country and may have fewer sales in that country. We may
also have fewer sales in a country that imposes new communications standards or
technologies. This could inhibit our ability to meet our customers' demand for
our products and lower our revenues.

If foreign exchange rates fluctuate significantly, our profitability
may decline.

28


We are exposed to foreign currency rate fluctuations because a significant part
of our development, test, marketing and administrative costs are denominated in
Canadian dollars, and our selling costs are denominated in a variety of
currencies around the world.

In addition, while our sales are denominated in US dollars, our customers'
products are sold worldwide. Any further decline in the world networking markets
could seriously depress our customers' order levels for our products. This
effect could be exacerbated if fluctuations in currency exchange rates decrease
the demand for our customers' products.

From time to time, we become defendants in legal proceedings about which we are
unable to assess our exposure and which could become significant liabilities
upon judgment.

We become defendants in legal proceedings from time to time. Companies in our
industry have been subject to claims related to patent infringement and product
liability, as well as contract and personal claims. We may not be able to
accurately assess the risk related to these suits, and we may be unable to
accurately assess our level of exposure. These proceedings may result in
material charges to our operating results in the future if our exposure is
material and if our ability to assess our exposure becomes clearer.

If we cannot protect our proprietary technology, we may not be able to prevent
competitors from copying our technology and selling similar products, which
could harm our revenues.

To compete effectively, we must protect our proprietary information. We rely on
a combination of patents, trademarks, copyrights, trade secret laws,
confidentiality procedures and licensing arrangements to protect our
intellectual property rights. We hold several patents and have a number of
pending patent applications.

We might not succeed in attaining patents from any of our pending applications.
Even if we are awarded patents, they may not provide any meaningful protection
or commercial advantage to us, as they may not be of sufficient scope or
strength, or may not be issued in all countries where our products can be sold.
In addition, our competitors may be able to design around our patents.

We develop, manufacture and sell our products in Asian and other countries that
may not protect our products or intellectual property rights to the same extent
as the laws of the United States. This makes piracy of our technology and
products more likely. Steps we take to protect our proprietary information may
not be adequate to prevent theft of our technology. We may not be able to
prevent our competitors from independently developing technologies that are
similar to or better than ours.

Our products may employ technology that may unknowingly infringe on the
proprietary rights of third parties, which may expose us to litigation and
prevent us from selling our products.

Vigorous protection and pursuit of intellectual property rights or positions
characterize the semiconductor industry. This often results in expensive and
lengthy litigation. We, as well as our customers or suppliers, may be accused of
infringing on patents or other intellectual property rights owned by third
parties. This has happened in the past. An adverse result in any litigation
could force us to pay substantial damages, stop manufacturing, using and selling
the infringing products, spend significant resources to develop non-infringing
technology, discontinue using certain processes or obtain licenses to the
infringing technology. In addition, we may not be able to develop non-infringing
technology, nor might we be able to find appropriate licenses on reasonable
terms.

29


Patent disputes in the semiconductor industry are often settled through
cross-licensing arrangements. Because we currently do not have a substantial
portfolio of patents compared to our larger competitors, we may not be able to
settle an alleged patent infringement claim through a cross-licensing
arrangement. We are, therefore, more exposed to third party claims than some of
our larger competitors and customers.

In the past, our customers have been required to obtain licenses from and pay
royalties to third parties for the sale of systems incorporating our
semiconductor devices. Customers may also make claims against us with respect to
infringement.

Furthermore, we may initiate claims or litigation against third parties for
infringing our proprietary rights or to establish the validity of our
proprietary rights. This could consume significant resources and divert the
efforts of our technical and management personnel, regardless of the
litigation's outcome.

We have significantly increased our debt level as a result of the sale of
convertible notes.

On August 6, 2001, we raised $275 million through the issuance of convertible
subordinated notes. As a result, our interest payment obligations have increased
substantially. The degree to which we are leveraged could materially and
adversely affect our ability to obtain financing for working capital,
acquisitions or other purposes and could make us more vulnerable to industry
downturns and competitive pressures. Our ability to meet our debt service
obligations will be dependent upon our future performance, which will be subject
to financial, business and other factors affecting our operations, many of which
are beyond our control. On August 15, 2006, we are obliged to repay the full
remaining principal amount of the notes that have not been converted into our
common stock.

Securities we issue to fund our operations could dilute your ownership.

We may decide to raise additional funds through public or private debt or equity
financing to fund our operations. If we raise funds by issuing equity
securities, the percentage ownership of current stockholders will be reduced and
the new equity securities may have priority rights to your investment. We may
not obtain sufficient financing on terms that are favorable to you or us. We may
delay, limit or eliminate some or all of our proposed operations if adequate
funds are not available.

Our stock price has been and will likely continue to be volatile.

In the past, our common stock price has fluctuated significantly. In particular,
our stock price has declined significantly in the context of announcements made
by us and other semiconductor suppliers of reduced revenue expectations and of a
continued slowdown in the markets we serve. Given the weak business conditions
and the reduced demand for our products that we have experienced, we expect that
our stock price will continue to be volatile.

In addition, fluctuations in our stock price and our price-to-sales multiple may
have made our stock attractive to momentum, hedge or day-trading investors who
often shift funds into and out of stocks rapidly, exacerbating price
fluctuations in either direction particularly when viewed on a quarterly basis.

Our stock is currently included in two North American stock indices--the
Standard & Poor's 500 and the Nasdaq-100. Stocks are selected for inclusion in
these indices based on market capitalization, liquidity, and industry group
representation, and it is possible based on our current stock price that our
common stock may be removed from either the S&P 500 or Nasdaq-100, or both.
Investment firms have index funds that actively buy or sell stocks depending on
a company's inclusion, current ranking or removal from an index. The Nasdaq
Stock Market also manages a Nasdaq-100 tracking stock that holds shares of our
stock. If our stock is dropped from either the S&P 500 or Nasdaq-100, our stock
price may further decline as these index funds sell their holdings of our stock.

30


Securities class action litigation has often been instituted against a company
following periods of volatility and decline in the market price of their
securities. If instituted against us, regardless of the outcome, such litigation
could result in substantial costs and diversion of our management's attention
and resources and have a material adverse effect on our business, financial
condition and operating results. We could be required to pay substantial
damages, including punitive damages, if we were to lose such a lawsuit.

Provisions in our charter documents and Delaware law and our adoption of a
stockholder rights plan may delay or prevent acquisition of us, which could
decrease the value of our common stock.

Our certificate of incorporation and bylaws and Delaware law contain provisions
that could make it harder for a third party to acquire us without the consent of
our board of directors. Delaware law also imposes some restrictions on mergers
and other business combinations between us and any holder of 15% or more of our
outstanding common stock. In addition, our board of directors has the right to
issue preferred stock without stockholder approval, which could be used to
dilute the stock ownership of a potential hostile acquirer. Although we believe
these provisions of our certificate of incorporation and bylaws and Delaware law
and our stockholder rights plan will provide for an opportunity to receive a
higher bid by requiring potential acquirers to negotiate with our board of
directors, these provisions apply even if the offer may be considered beneficial
by some stockholders.

Our board of directors adopted a stockholder rights plan, pursuant to which we
declared and paid a dividend of one right for each share of common stock held by
stockholders of record as of May 25, 2001. Unless redeemed by us prior to the
time the rights are exercised, upon the occurrence of certain events, the rights
will entitle the holders to receive upon exercise thereof shares of our
preferred stock, or shares of an acquiring entity, having a value equal to twice
the then-current exercise price of the right. The issuance of the rights could
have the effect of delaying or preventing a change in control of us.


Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The following discussion regarding our risk management activities contains
"forward-looking statements" that involve risks and uncertainties. Actual
results may differ materially from those projected in the forward-looking
statements.


Cash Equivalents, Short-term Investments and Investments in Bonds and Notes:

We regularly maintain a short and long term investment portfolio of various
types of government and corporate bonds and notes. Our investments are made in
accordance with an investment policy approved by our Board of Directors.
Maturities of these instruments are less than 30 months with the majority being
within one year. To minimize credit risk, we diversify our investments and
select minimum ratings of P-1 or A by Moody's, or A-1 or A by Standard and
Poor's, or equivalent. We classify these securities as held-to-maturity or
available-for-sale depending on our investment intention. Held-to-maturity
investments are held at amortized cost, while available-for-sale investments are
held at fair market value. Available-for-sale securities represented less than
17% of our investment portfolio as of September 29, 2002.

31


Investments in both fixed rate and floating rate interest earning instruments
carry a degree of interest rate and credit rating risk. Fixed rate securities
may have their fair market value adversely impacted because of a rise in
interest rates, while floating rate securities may produce less income than
expected if interest rates fall. In addition, the value of all types of
securities may be impaired if bond rating agencies decrease the credit ratings
of the entities which issue those securities. Due in part to these factors, our
future investment income may fall short of expectations because of changes in
interest rates, or we may suffer losses in principal if we were to sell
securities that have declined in market value because of changes in interest
rates or a decrease in credit ratings.

We do not attempt to reduce or eliminate our exposure to changes in interest
rates or credit ratings through the use of derivative financial instruments.

Based on a sensitivity analysis performed on the financial instruments held at
September 29, 2002 that are sensitive to changes in interest rates, the impact
to the fair value of our investment portfolio by an immediate hypothetical
parallel shift in the yield curve of plus or minus 50, 100 or 150 basis points
would result in a decline or increase in portfolio value of approximately $2.3
million, $4.7 million and $7.0 million respectively.

Other Investments:

Other investments at September 29, 2002 include a minority investment of
approximately 2.1 million shares of Sierra Wireless Inc., a publicly traded
company. These securities are recorded on the balance sheet at fair value with
unrealized gains or losses reported as a separate component of accumulated other
comprehensive income, net of income taxes.

Our other investments also include numerous strategic investments in privately
held companies or venture funds that are carried on our balance sheet at cost,
net of write-downs for non-temporary declines in market value. We expect to make
additional investments like these in the future. These investments are
inherently risky, as they typically are comprised of investments in companies
and partnerships that are still in the start-up or development stages. The
market for the technologies or products that they have under development is
typically in the early stages, and may never materialize. We could lose our
entire investment in these companies and partnerships or may incur an additional
expense if we determine that the value of these assets have been impaired.


Foreign Currency

We generate a significant portion of our revenues from sales to customers
located outside of the United States including Canada, Europe, the Middle East
and Asia. We are subject to risks typical of an international business
including, but not limited to, differing economic conditions, changes in
political climate, differing tax structures, other regulations and restrictions
and foreign exchange rate volatility. Accordingly, our future results could be
materially adversely affected by changes in these or other factors.

32


Our sales and corresponding receivables are made primarily in United States
dollars. Through our operations in Canada and elsewhere outside of the United
States, we incur research and development, customer support costs and
administrative expenses in Canadian and other foreign currencies. We are
exposed, in the normal course of business, to foreign currency risks on these
expenditures. In our effort to manage such risks, we have adopted a foreign
currency risk management policy intended to reduce the effects of potential
short-term fluctuations on the results of operations stemming from our exposure
to these risks. As part of this risk management, we typically forecast our
operational currency needs, purchase such currency on the open market at the
beginning of an operational period, and hold these funds as a hedge against
currency fluctuations. We usually limit the operational period to 3 months or
less. Because we do not engage in foreign currency exchange rate fluctuation
risk management techniques beyond these periods, our cost structure is subject
to long-term changes in foreign exchange rates.

While we expect to utilize this method of managing our foreign currency risk in
the future, we may change our foreign currency risk management methodology and
utilize foreign exchange contracts that are currently available under our
operating line of credit agreement.

We regularly analyze the sensitivity of our foreign exchange positions to
measure our foreign exchange risk. At September 29, 2002, a 10% shift in foreign
exchange rates would not have materially impacted our other income because our
foreign currency net asset position was immaterial.


Item 4. CONTROLS AND PROCEDURES

Evaluation of disclosure controls and procedures

Our chief executive officer and our chief financial officer evaluated our
"disclosure controls and procedures" (as defined in Rule 13a-14(c) of the
Securities Exchange Act of 1934 (the "Exchange Act") as of a date within 90 days
before the filing date of this quarterly report. They concluded that as of the
evaluation date, our disclosure controls and procedures are effective to ensure
that information we are required to disclose in reports that we file or submit
under the Exchange Act is recorded, processed, summarized and reported within
the time periods specified in the Securities and Exchange Commission rules and
forms.

Changes in internal controls

Subsequent to the date of their evaluation, there were no significant changes in
our internal controls or in other factors that could significantly affect these
controls. There were no significant deficiencies or material weaknesses in our
internal controls so no corrective actions were taken.


Part II - OTHER INFORMATION

Item 6. EXHIBITS AND REPORTS ON FORM 8-K

(a) Exhibits -

- 10.2 1994 Incentive Stock Plan, as amended

- 10.3 2001 Stock Option Plan, as amended

- 11.1 Calculation of income (loss) per share (1)

- 99.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002 (Chief Executive Officer)

- 99.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002 (Chief Financial Officer)


- --------
1 Refer to Note 5 of the financial statements included in Item I of Part I of
this Quarterly Report.




33


(b) Reports on Form 8-K -

- A Current Report on Form 8-K was filed on August 13, 2002 to disclose
that the quarterly report on Form 10-Q for the period ended June 30,
2002 filed on August 13, 2002 by Registrant was accompanied by
certifications by the Registrant's Chief Executive Officer and Chief
Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.


34



SIGNATURE

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: November 7, 2002 /S/ John W. Sullivan
---------------- -------------------------------------------------
John W. Sullivan
Vice President, Finance (duly authorized officer)
Principal Accounting Officer


CERTIFICATIONS

I, Robert L. Bailey, certify that:

1. I have reviewed this quarterly report on Form 10-Q of PMC-Sierra, Inc.;

2. Based on my knowledge, this quarterly report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to
make the statements made, in light of the circumstances under which such
statements were made, not misleading with respect to the period covered by
this quarterly report;

3. Based on my knowledge, the financial statements, and other financial
information included in this quarterly report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;


4. The registrant's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined
in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

a) designed such disclosure controls and procedures to ensure that material
information relating to the registrant, including its consolidated
subsidiaries, is made known to us by others within those entities,
particularly during the period in which this quarterly report is being
prepared;

b) evaluated the effectiveness of the registrant's disclosure controls and
procedures as of a date within 90 days prior to the filing date of this
quarterly report (the "Evaluation Date"); and

c) presented in this quarterly report our conclusions about the effectiveness
of the disclosure controls and procedures based on our evaluation as of the
Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation, to the registrant's auditors and the audit committee
of registrant's board of directors (or persons performing the equivalent
functions):

a) all significant deficiencies in the design or operation of internal
controls which could adversely affect the registrant's ability to record,
process, summarize and report financial data and have identified for the
registrant's auditors any material weaknesses in internal controls; and

35


b) any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal controls;
and

6. The registrant's other certifying officers and I have indicated in this
quarterly report whether or not there were significant changes in internal
controls or in other factors that could significantly affect internal
controls subsequent to the date of our most recent evaluation, including any
corrective actions with regard to significant deficiencies and material
weaknesses.

Date: November 6, 2002 /S/ Robert L. Bailey
---------------- ---------------------------------------
Robert L. Bailey
President, Chief Executive Officer, and
Chairman of the Board


I, John W. Sullivan, certify that:

1. I have reviewed this quarterly report on Form 10-Q of PMC-Sierra, Inc.;

2. Based on my knowledge, this quarterly report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to
make the statements made, in light of the circumstances under which such
statements were made, not misleading with respect to the period covered by
this quarterly report;

3. Based on my knowledge, the financial statements, and other financial
information included in this quarterly report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;

4. The registrant's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined
in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

a) designed such disclosure controls and procedures to ensure that material
information relating to the registrant, including its consolidated
subsidiaries, is made known to us by others within those entities,
particularly during the period in which this quarterly report is being
prepared;

b) evaluated the effectiveness of the registrant's disclosure controls and
procedures as of a date within 90 days prior to the filing date of this
quarterly report (the "Evaluation Date"); and

c) presented in this quarterly report our conclusions about the effectiveness
of the disclosure controls and procedures based on our evaluation as of the
Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation, to the registrant's auditors and the audit committee
of registrant's board of directors (or persons performing the equivalent
functions):

a) all significant deficiencies in the design or operation of internal
controls which could adversely affect the registrant's ability to record,
process, summarize and report financial data and have identified for the
registrant's auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal controls;
and

36


6. The registrant's other certifying officers and I have indicated in this
quarterly report whether or not there were significant changes in internal
controls or in other factors that could significantly affect internal
controls subsequent to the date of our most recent evaluation, including any
corrective actions with regard to significant deficiencies and material
weaknesses.


Date: November 5, 2002 /S/ John W. Sullivan
---------------- ---------------------------------------
John W. Sullivan
Vice President, Finance
Chief Financial Officer and
Principal Accounting Officer








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