APPLIED MICRO CIRCUITS CORP
10-K/A, 1998-10-15
SEMICONDUCTORS & RELATED DEVICES
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                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
 
                               ----------------
     
                                  FORM 10-K/A      
    
                               AMENDMENT NO. 1        
 
(Mark One)
 
[X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT
    OF 1934
 
                   FOR THE FISCAL YEAR ENDED MARCH 31, 1998
 
                                      OR
 
[_] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE
    ACT OF 1934
 
                       COMMISSION FILE NUMBER: 000-23193
 
                      APPLIED MICRO CIRCUITS CORPORATION
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
              DELAWARE                                 94-2586591
   (STATE OR OTHER JURISDICTION OF                  (I.R.S. EMPLOYER
   INCORPORATION OR ORGANIZATION)                  IDENTIFICATION NO.)
 
                              6290 SEQUENCE DRIVE
                          SAN DIEGO, CALIFORNIA 92121
         (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES, INCLUDING ZIP CODE)
 
      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (619) 450-9333
 
       SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT: NONE
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT:
                         COMMON STOCK, $0.01 PAR VALUE
 
  Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period than 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 [_]
 
  Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to
the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [_]
 
  The aggregate market value of the voting stock held by non-affiliates of the
registrant was approximately $431,600,000 as of March 31, 1998, based upon the
closing sale price on the Nasdaq National Market reported for such date.
Shares of Common Stock held by each officer and director and by each person
who owns 5% of more of the outstanding Common Stock have been excluded in that
such persons may be deemed to be affiliates. This determination of affiliate
status is not necessarily a conclusive determination for other purposes.
 
  There were 22,536,013 shares of the registrant's Common Stock issued and
outstanding as of March 31, 1998.
 
         
          
 
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<PAGE>
 
<TABLE>     
<CAPTION> 
                     ITEM                                    PAGE
<S>                                                          <C> 
PART II

6.  Selected Financial Data................................    3

7.  Management's Discussion and Analysis of Financial 
    Condition and Results of Operations....................    3

8.  Financial Statements and Supplementary Data............    9

PART IV 

14. Exhibits, Financial Statement Schedules, and Reports
    on Form 8-K............................................   10

</TABLE>      

    
The Registrant hereby amends the following items of its Form 10-K for the fiscal
year ended March 31, 1998 previously filed with the Securities and Exchange 
Commission.      


                                       2
<PAGE>
 
ITEM 6. SELECTED FINANCIAL DATA.
 
(in thousands, except per share data)
 
<TABLE>     
<CAPTION>
                                                     MARCH 31,
                                    --------------------------------------------
                                     1994     1995     1996     1997      1998
                                    -------  -------  -------  -------  --------
<S>                                 <C>      <C>      <C>      <C>      <C>
CONSOLIDATED STATEMENTS OF
 OPERATIONS DATA:
Net revenues......................  $49,686  $46,950  $50,264  $57,468  $ 76,618
Cost of revenues..................   29,187   27,513   34,169   30,057    34,321
                                    -------  -------  -------  -------  --------
Gross profit......................   20,499   19,437   16,095   27,411    42,297
  Research and development........    9,273   10,108    8,283    7,870    13,268
  Selling, general and
   administrative.................    9,513   10,112   11,232   12,537    14,278
                                    -------  -------  -------  -------  --------
    Total operating expenses......   18,786   20,220   19,515   20,407    27,546
Operating income (loss)...........    1,713     (783)  (3,420)   7,004    14,751
Gain on contract settlement, net..    9,530       --       --       --        --
Interest income (expense), net....     (464)    (358)    (242)     (29)      871
                                    -------  -------  -------  -------  --------
Income (loss) before income taxes.   10,779   (1,141)  (3,662)   6,975    15,622
Provision (benefit) for income
 taxes............................      575      (70)      32      659       406
                                    -------  -------  -------  -------  --------
Net income (loss).................   10,204   (1,071) $(3,694) $ 6,316  $ 15,216
                                    =======  =======  =======  =======  ========
Basic earnings (loss) per share:
  Earnings (loss) per share.......  $  2.46  $ (0.25) $ (0.81) $  1.26  $   1.44
                                    =======  =======  =======  =======  ========
  Shares used in calculating basic
   earnings (loss) per share......    4,144    4,365    4,566    5,006    10,594
                                    =======  =======  =======  =======  ========
Diluted earnings (loss) per share:
  Earnings (loss) per share.......  $  0.60  $ (0.06) $ (0.21) $  0.35  $   0.75
                                    =======  =======  =======  =======  ========
  Shares used in calculating
   diluted earnings (loss) per
   share..........................   17,099   17,194   17,394   17,907    20,294
                                    =======  =======  =======  =======  ========
CONSOLIDATED BALANCE SHEET DATA:
Working Capital...................  $19,867  $16,753  $13,977  $19,364  $ 77,417
Total Assets......................   45,124   40,180   37,836   41,814   112,834
Long-term debt and capital lease
 obligations, less current
 portion..........................    7,493    6,515    4,447    3,192     4,091
Total stockholders' equity........   25,829   24,805   21,512   27,743    91,634
</TABLE>      
 
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS.
 
  The following discussion of the financial condition and results of
operations of the Company should be read in conjunction with the consolidated
financial statements and notes thereto included elsewhere in this Annual
Report on Form 10-K. This discussion contains forward-looking statements that
involve risks and uncertainties. The Company's actual results may differ
materially from those anticipated in these forward-looking statements as a
result of certain factors, including, but not limited to, those set forth
under "Item 1. Business--Factors That May Affect Future Results". Readers are
cautioned not to place undue reliance on these forward-looking statements,
which reflect management's analysis only as of the date hereof. The Company
assumes no obligation to update these forward-looking statements to reflect
actual results or changes in factors or assumptions affecting such forward-
looking statements.
 
                                       3
<PAGE>
 
OVERVIEW
 
  AMCC designs, develops, manufactures and markets high-performance, high-
bandwidth silicon solutions for the world's communications infrastructure. The
Company tailors solutions to customer and market requirements by using a
combination of high-frequency; mixed-signal design expertise; system-level
knowledge and multiple silicon process technologies. AMCC believes that its
internal bipolar and BiCMOS processes, complemented by advanced CMOS processes
from external foundries, enable the Company to offer high-performance, high-
speed solutions optimized for specific applications and customer requirements.
The Company further believes that its products provide significant cost,
power, performance and reliability advantages for systems OEMs in addition to
accelerating time-to-market. The Company also leverages its technology to
provide products for the automated test equipment (ATE), high-speed computing
and military markets.
 
  In fiscal 1997, the Company substantially reorganized its management team
and increased its focus on becoming the leading supplier of high-performance,
high-bandwidth connectivity ICs for the world's communications infrastructure.
Accordingly, the Company accelerated the pace of development of new products
for high-performance telecommunications and data communications markets.
Following the reorganization of the Company's management team in fiscal 1997
and its renewed focus on ASSP's for the telecommunications and data
communications markets, the Company returned to profitability after two years
of incurring net losses. The Company's revenues have increased in each of the
last eight fiscal quarters. In addition, as a result primarily of the
$21.5 million of net income generated in fiscal 1997 and 1998, the Company
transitioned from accumulated deficit of $15.4 million at March 31, 1996 to
retained earnings of $5.7 million at March 31, 1998.
 
  In December 1997, the Company completed the initial public offering (IPO) of
its common stock, which raised net proceeds to the Company of approximately
$25.1 million. In March 1998, the Company completed a secondary public
offering, which raised net proceeds to the Company of approximately $26.9
million.
 
RESULTS OF OPERATIONS
 
  The following table sets forth certain selected consolidated statements of
operations data in dollars and as a percentage of revenues for the periods
indicated:
 
<TABLE>
<CAPTION>
                                           FISCAL YEAR ENDED MARCH 31,
                                -----------------------------------------------
                                    1996             1997             1998
                                --------------   --------------   -------------
                                      (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                   $       %        $       %        $      %
                                -------  -----   -------  -----   ------- -----
<S>                             <C>      <C>     <C>      <C>     <C>     <C>
Net revenues..................  $50,264  100.0 % $57,468  100.0 % $76,618 100.0%
Cost of revenues..............   34,169   68.0    30,057   52.3    34,321  44.8
                                -------  -----   -------  -----   ------- -----
Gross profit..................   16,095   32.0    27,411   47.7    42,297  55.2
Operating expenses:
  Research and development....    8,283   16.5     7,870   13.7    13,268  17.3
  Selling, general and
   administrative.............   11,232   22.3    12,537   21.8    14,278  18.6
                                -------  -----   -------  -----   ------- -----
    Total operating expenses..   19,515   38.8    20,407   35.5    27,546  35.9
                                -------  -----   -------  -----   ------- -----
Operating income (loss).......   (3,420)  (6.8)    7,004   12.2    14,751  19.3
Interest income (expense),
 net..........................     (242)  (0.5)      (29)  (0.1)      871   1.1
                                -------  -----   -------  -----   ------- -----
Income (loss) before provision
 for income taxes.............   (3,662)  (7.3)    6,975   12.1    15,622  20.4
Provision for income taxes....       32    0.0       659    1.1       406   0.5
                                -------  -----   -------  -----   ------- -----
Net income (loss).............  $(3,694)  (7.3)% $ 6,316   11.0 % $15,216  19.9%
                                =======  =====   =======  =====   ======= =====
Diluted earnings (loss) per
 share:
  Earnings (loss) per share...  $ (0.21)         $  0.35          $  0.75
  Shares used in calculating
   earnings (loss) per share..   17,394           17,907           20,294
</TABLE>
 
                                       4
<PAGE>
 
COMPARISON OF THE YEAR ENDED MARCH 31, 1998 TO THE YEAR ENDED MARCH 31, 1997
 
  Net Revenues. Net revenues for the year ended March 31, 1998 were
approximately $76.6 million, representing an increase of 33% over net revenues
of approximately $57.5 million for the year ended March 31, 1997. Revenues
from sales of communications products increased from 44% of net revenues for
the year ended March 31, 1997 to 48% of net revenues for the year ended March
31, 1998, reflecting unit growth in shipments of existing products, as well as
the introduction of new products for these markets. Revenues from sales of
products to other markets, consisting of the ATE, high-speed computing and
military markets, decreased from 56% of net revenues for the year ended March
31, 1997, to 52% of net revenues for the year ended March 31, 1998, although
revenues from sales to these other markets increased in absolute dollars. The
increase in absolute dollars in revenues attributed to these other markets was
primarily due to an increase in shipments of PCI bus products for high-speed
computing applications and to increased shipments of products to the ATE
market. Sales to Nortel accounted for 21% and 20% of net revenues for the
years ended March 31, 1998 and 1997, respectively. In the year ended March 31,
1998, one other customer, Insight Electronics, Inc., the Company's domestic
distributor, accounted for 11% of net revenues. Sales outside of North America
accounted for 23% and 21% of net revenues for the years ended March 31, 1998
and 1997, respectively. Although less than six percent of the Company's
revenues were attributable to sales in Asia for the year ended March 31, 1998,
the recent economic instability in certain Asian countries could adversely
affect the Company's business, financial condition and operating results,
particularly to the extent that this instability impacts the sales of products
manufactured by the Company's customers. See "Item 1. Business--Factors That
May Affect Future Results--International Sales."
     
  Gross Margin. Gross margin was 55.2% for the year ended March 31, 1998, as
compared to 47.7% for the year ended March 31, 1997. The significant increase in
gross margin primarily resulted from increased utilization of the Company's
wafer fabrication facility, as well as a $1.1 million improvement in
manufacturing yields. The Company's gross margin is primarily impacted by
factory utilization, wafer yields, product mix and the Company's timing of
depreciation expense and other costs associated with expanding its manufacturing
capacity. Although AMCC does not expect its gross margin to continue to increase
at the rate reflected above, its strategy is to maximize factory utilization
whenever possible, maintain or improve its manufacturing yields, and focus on
the development and sales of high-performance products that can have higher
gross margins. There can be no assurance, however, that the Company will be
successful in achieving these objectives. In addition, these factors can vary
significantly from quarter to quarter, which would likely result in fluctuations
in quarterly gross margin and net income. See "Item 1. Business--Factors That
May Affect Future Operating Results--Fluctuations in Operating Results."       
    
  Research and Development. Research and development (R&D) expenses increased
69% to approximately $13.3 million, or 17.3% of net revenues, for the year
ended March 31, 1998, from approximately $7.9 million, or 13.7% of net
revenues, for the year ended March 31, 1997. The substantial increase in R&D
expenses was due to accelerated new product and process development efforts 
including a $3.4 million increase in compensation costs, a $1.6 million increase
in prototyping and outside contractor costs and increases in certain other 
expenses. The Company believes that a continued commitment to R&D is vital to
maintain a leadership position with innovative communications products.
Accordingly, the Company expects R&D expenses to increase in absolute dollars
and possibly as a percentage of net revenues in the future. Currently, R&D
expenses are primarily focused on the development of products and processes for
the telecommunications and data communications markets, and the Company expects
to continue this focus.        
     
  Selling, General and Administrative. Selling, general and administrative
("SG&A") expenses were approximately $14.3 million, or 18.6% of net revenues,
for the year ended March 31, 1998, as compared to approximately $12.5 million,
or 21.8% of net revenues, for the year ended March 31, 1997. The increase in
SG&A expenses for the year ended March 31, 1998 was primarily due to a $700,000
increase in compensation costs, a $600,000 increase in commissions earned by
third-party sales representatives and increases in certain other expenses. The
decrease in SG&A expenses as a percentage of net revenues for the year ended
March 31, 1998 was a result of net revenues increasing more rapidly than SG&A
expenses. The Company expects SG&A expenses to increase in the future due
principally to additional staffing in its sales and marketing departments and
additional expenses related to being a public company.        
 
                                       5
<PAGE>
 
  Operating Margin. The Company's operating margin increased to 19.3% of net
revenues for the year ended March 31, 1998, compared to 12.2% for the year
ended March 31, 1997, principally as a result of the increase in gross margin
and decrease in SG&A expenses as a percentage of net revenues, partially
offset by the increase in R&D expenses as a percentage of net revenues.
     
  Net Interest Income. Net interest income increased to $871,000 for the year
ended March 31, 1998 from a net interest expense of $29,000 for the year ended
March 31, 1997. This increase was due principally to a $600,000 increase in
interest income resulting from larger cash and short-term investment balances
generated by the proceeds from the Company's public offerings completed during
the year ended March 31, 1998, as well as a $300,000 decrease in interest
expense associated with outstanding capital lease and debt obligations.       
 
  Income Taxes. The Company's annual effective tax rate for the year ended
March 31, 1998 was 2.6%. This was due primarily to the reduction of a
valuation allowance recorded against deferred tax assets for net operating
loss carryforwards and credits in the prior two years. This reduction results
from sufficient levels of income for fiscal 1998, which makes the realization
of these deferred tax assets more likely than not. The effective tax rate of
9.5% for the year ended March 31, 1997 was attributable primarily to
alternative minimum taxes ("AMT"). The Company expects its effective tax rate
to approximate statutory rates in fiscal 1999.
 
  Diluted Earnings per share. Diluted earnings per share increased 114% to
$0.75 in the year ended March 31, 1998, compared to $0.35 for the year ended
March 31, 1997.
 
  Deferred Compensation. In connection with the grant of certain stock options
to employees during the six months ended September 30, 1997, the Company
recorded aggregate deferred compensation of $599,000, representing the
difference between the fair value of the Common Stock at the date of grant for
accounting purposes and the option exercise price of such options. Such amount
is presented as a reduction of stockholders' equity and amortized ratably over
the vesting period of the applicable options. Amortization of deferred
compensation recorded for the year ended March 31, 1998 was $127,000. The
Company currently expects to record amortization of deferred compensation with
respect to these option grants of approximately $159,000, $159,000, $129,000
and $25,000 during the fiscal years ended March 31, 1999, 2000, 2001 and 2002,
respectively.
 
  Backlog. The Company's sales are made primarily pursuant to standard
purchase orders for delivery of products. Quantities of the Company's products
to be delivered and delivery schedules are frequently revised to reflect
changes in customer needs, and customer orders can be canceled or rescheduled
without significant penalty to the customer. For these reasons, the Company's
backlog as of any particular date is not representative of actual sales for
any succeeding period, and the Company therefore believes that backlog is not
a good indicator of future revenue. The Company's backlog for products
requested to be shipped and nonrecurring engineering services to be completed
in the next six months was $30.1 million on March 31, 1998, compared to $20.4
million on March 31, 1997. See "Item 1. Business--Factors That May Affect
Future Results--Fluctuations in Operating Results."
 
  Recently Issued Accounting Standards. In June 1997, the Financial Accounting
Standards Board issued Statement of Financial Accounting Standards (SFAS) No.
130, "Reporting Comprehensive Income" and SFAS No. 131, "Disclosures about
Segments of an Enterprise and Related Information". The Company does not
believe that comprehensive income or loss under SFAS No. 130 has been
materially different than net income or loss. The Company believes it operates
in one business and operating segment and does not believe adoption of SFAS
No. 131 will have a material impact on the Company's financial statements.
 
  Year 2000 Compliance. Certain of the Company's internal computer systems are
not Year 2000 compliant and the Company utilizes third-party equipment and
software that may not be Year 2000 compliant. The Company has commenced taking
actions to correct such internal systems and is in the early stages of
conducting an audit of its third-party suppliers as to the Year 2000
compliance of their systems. The Company does not believe that the cost of
these actions will have a material adverse affect on the Company's business,
financial
 
                                       6
<PAGE>
 
condition or operating results. However, there can be no assurance that a
failure of the Company's internal computer systems or of third-party equipment
or software used by the Company, or of systems maintained by the Company's
suppliers, to be Year 2000 compliant will not have a material adverse effect
on the Company's business, financial condition or operating results. In
addition, there can be no assurance that adverse changes in the purchasing
patterns of the Company's customers or potential customers as a result of Year
2000 issues affecting such customers will not have a material adverse effect
on the Company's business, financial condition or results of operations. See
"Item 1. Business--Factors That May Affect Future Results--Year 2000
Compliance."
 
COMPARISON OF THE YEAR ENDED MARCH 31, 1997 TO THE YEAR ENDED MARCH 31, 1996
 
  Net Revenues. Net revenues for the year ended March 31, 1997 increased to
approximately $57.5 million from approximately $50.3 million for the year
ended March 31, 1996. Revenues from sales of communications products increased
from 41% of net revenues for the year ended March 31, 1996 to 44% of net
revenues for the year ended March 31, 1997, reflecting unit growth in
shipments of existing products, as well as the introduction of new products
for the communications market. Revenues from sales of products to other
markets decreased from 59% of net revenues for the year ended March 31, 1996
to 56% of net revenues for the year ended March 31, 1997. In the years ended
March 31, 1997 and 1996, sales to Nortel accounted for 20% of net revenues in
each year. Sales to customers outside of North America accounted for 21% and
24% of net revenues in the years ended March 31, 1997 and 1996, respectively,
reflecting an increase in revenues from sales to such customers, but a
decreased percentage of net revenues.
     
  Gross Margin. Gross margin was 47.7% for the year ended March 31, 1997,
compared to 32.0% for the year ended March 31, 1996. The substantial increase
in gross margin in fiscal 1997 resulted primarily from a $3.2 million reduction
in charges related to excess inventory, as well as from increased utilization
of the Company's wafer fabrication facility. See "Item 1. Business--Factors
That May Affect Future Results--Fluctuations in Operating Results."       
    
  Research and Development. R&D expenses were approximately $7.9 million, or
13.7% of net revenues, for the year ended March 31, 1997, as compared to
approximately $8.3 million, or 16.5% of net revenues, for the year ended March
31, 1996. The decrease in R&D expense for the year ended March 31, 1997 was
primarily due to a $315,000 decrease in prototyping costs.       
     
  Selling, General and Administrative. SG&A expenses were approximately $12.5
million, or 21.8% of net revenues, for the year ended March 31, 1997, as
compared to approximately $11.2 million, or 22.3% of net revenues, for the year
ended March 31, 1996. SG&A expenses increased in the year ended March 31, 1997
due primarily to a $1.3 million increase in compensation expense and a $300,000
increase in product promotion expenses, offset by decreases in certain other
expenses.       
    
  Net Interest Expense. Net interest expense was $29,000 in the year ended March
31, 1997, as compared to $242,000 in the year ended March 31, 1996. The decrease
in net interest expense was attributable to a $100,000 decrease in interest
expense resulting from decreasing levels of capital lease and debt obligations
and to a $100,000 increase in interest income as a result of increasing levels
of cash, cash equivalents and short-term investments.       
 
  Income Taxes. The Company's effective tax rate for the year ended March 31,
1997 was 9.5%, which was comprised primarily of alternative minimum tax and
reflected tax at the statutory rate, reduced by net operating loss and
research and development tax credits. The tax benefit for the year ended March
31, 1996 was not material due to loss incurred during that fiscal year.
 
LIQUIDITY AND CAPITAL RESOURCES
 
  The Company's principal source of liquidity as of March 31, 1998 consisted
of $67.9 million in cash, cash equivalents and short-term investments. Working
capital as of March 31, 1998 was $77.4 million, compared to $19.4 million as
of March 31, 1997. This increase in working capital was primarily due to $52.0
million in net proceeds from the Company's initial and secondary public
offerings, and cash provided by operating activities,
 
                                       7
<PAGE>
 
offset by the purchase of property and equipment and by the repurchase of
certain shares of the Company's Preferred Stock. During the fiscal years ended
March 31, 1997 and 1996 the Company financed its operations primarily through
cash provided by operations and equipment lease financing.
 
  For the years ended March 31, 1998, 1997 and 1996, net cash provided by
operating activities was $16.9 million, $11.7 million and $6.7 million,
respectively. Net cash provided by operating activities in fiscal 1998
primarily reflected net income before depreciation and amortization expense
plus increases in accounts payable and accrued liabilities less increases in
accounts receivable and deferred income taxes. Net cash provided by operating
activities in fiscal 1997 primarily reflected net income before depreciation
and amortization expense. Net cash provided by operating activities in fiscal
1996 differed from the net loss primarily due to adjustments for depreciation
and amortization expense, a reduction in inventory levels and an increase in
accounts payable and accrued liabilities.
 
  Capital expenditures totaled $11.6 million, $4.1 million and $2.6 million
for the years ended March 31, 1998, 1997 and 1996, respectively, of which $3.6
million, $1.2 million and $1.2 million for the years ended March 31, 1998,
1997 and 1996, respectively, were financed using debt or capital leases. The
Company intends to increase its capital expenditures for manufacturing
equipment, test equipment and computer hardware and software. The Company has
tentative plans to expand the cleanroom in its existing wafer fabrication
facility to accommodate new equipment that would expand capacity and would be
used for process development, however the Company is also evaluating other
alternatives to provide for additional capacity and process development. The
Company also plans to initiate construction of a new six-inch wafer
fabrication facility during 1999 and to complete the physical plant during
2000. The Company believes the new facility will not begin commercial
production prior to late 2000. The Company currently expects to spend
approximately $18.0 million on capital expenditures in fiscal 1999, of which
approximately $6.0 million is currently estimated to be related to the
potential expansion of its existing wafer fabrication facility and
approximately $6.0 million will relate to the initial site acquisition and
construction of its new wafer fabrication facility. In the course of acquiring
land and financing for this new facility, the Company may be required to
expend additional funds and to provide marketable securities as collateral.
The Company estimates that the total cost of the new wafer fabrication
facility will be at least $80.0 million, of which at least $30.0 million
relates to the purchase of land and construction of the facility and at least
$50.0 million relates to capital equipment purchases. The Company plans to
finance the new wafer fabrication facility through a combination of available
cash, cash equivalents and short term investments, cash from operations, debt
and lease financing and approximately $24.0 million of the net proceeds of its
initial and secondary public offerings. The Company is also exploring other
alternatives for the expansion of its manufacturing capacity, including
purchasing a wafer fabrication facility and entering into strategic
relationships to obtain additional capacity. Although the Company believes
that it will be able to obtain financing for a significant portion of the
planned capital expenditures at competitive rates and terms from its existing
and new financing sources, there can be no assurance that the Company will be
successful in these efforts or that the new facility will be completed and in
volume production within its current budget or within the period currently
scheduled by the Company. Furthermore, there can be no assurance that other
alternatives to constructing a new wafer fabrication facility will be
available on a timely basis or at all. See "Item 1. Business--Factors That May
Affect Future Results-Manufacturing Capacity Limitations; New Production
Facility," "--Dependence on Third-Party Manufacturing and Supply
Relationships" and "--Need For Additional Capital."
 
  With the exception of the approximately $52.0 million in net proceeds from
the initial and secondary public offerings, the Company has not raised
financing from sales of equity (other than option exercises under employee
stock plans) since September 1987, and as a financing strategy has used cash
flow from operating activities and equipment debt and lease financing. In June
1997, the Company repurchased 172,300 shares of Preferred Stock (convertible
into 2,119,435 shares of Common Stock) for approximately $3.9 million.
 
  The Company believes that its available cash, cash equivalents and short-
term investments, and cash generated from operations, will be sufficient to
meet the Company's capital requirements for the next 12 months, although the
Company could be required, or could elect, to seek to raise additional capital
during such period. The Company expects that it will need to raise additional
debt or equity financing in the future. There can be no
 
                                       8
<PAGE>
 
assurance that such additional debt or equity financing will be available on
commercially reasonable terms or at all. See "Item 1. Business--Factors That
May Affect Future Operating Results--Need for Additional Capital."
 
FACTORS THAT MAY AFFECT FUTURE RESULTS
 
  The Company's results of operations have varied significantly in the past
and may continue to do so in the future. These variations have been, and may
in the future be, due to a number of factors, any of which could have a
material adverse effect on the Company's business, financial condition and
results of operations. These factors include, but are not limited to: the
rescheduling or cancellation of orders by customers; fluctuations in the
timing and amount of customer requests for product shipments; fluctuations in
manufacturing yields and inventory levels; changes in product mix; the
Company's ability to introduce new products and technologies on a timely
basis; the introduction of products and technologies by the Company's
competitors; the availability of external foundry capacity, purchased parts
and raw materials; competitive pressures on selling prices; the timing of
investments in research and development; market acceptance of the Company's
and its customers' products; the timing of depreciation and other expenses to
be incurred by the Company in connection with the increase of capacity for its
existing manufacturing facility and in connection with its proposed new
manufacturing facility; the timing and amount of recruiting and relocation
expenses, prototyping costs and product promotional expenses; costs associated
with future litigation, if any, including without limitation, litigation
relating to the use or ownership of intellectual property; costs associated
with compliance with applicable environmental regulations; general
semiconductor industry conditions; and general economic conditions, including,
but not limited to, economic conditions in Asia. Historically, average selling
prices in the semiconductor industry have decreased over the life of a
product, and as a result, the average selling prices of the Company's products
may be subject to significant pricing pressures in the future. Because the
Company is continuing to increase its operating expenses for personnel and new
product development, and because the Company is limited in its availability to
reduce expenses quickly in response to any revenue short falls, the Company's
business, financial condition and operating results would be adversely
affected if increased sales are not achieved. In addition, the Company's
operating results may be below the expectations of public market analysts or
investors, which could have a material adverse effect on the market price of
the Common Stock. See "Item 1. Business--Factors That May Affect Future
Results--Fluctuations in Operating Results," "--Manufacturing Yields," "--
Increasing Dependence on Telecommunications and Data Communications Markets
and Increasing Dependence on Application-Specific Standard Products," "--
Dependence on High-Speed Computing Market," "--Rapid Technological Change;
Necessity to Develop and Introduce New Products," "--Manufacturing Capacity
Limitations; New Production Facility," "--Transition to New Process
Technologies," "--Customer Concentration," "--Intense Competition," "--
Management of Growth," and "--International Sales."
 
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.
 
  Refer to the Index on Page F-l of the Financial Report included herein.

          
                                       9
<PAGE>
 
          
                                    PART IV
 
ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.
 
  (a) The following documents are filed as part of this report:
 
   (1) Financial Statements
       The financial statements of the Company are included herein as
       required under Item 8 of this Annual Report on Form 10-K. See
       Index on page F-l.
   (2) Financial Statement Schedules:
       The financial statement schedules of the Company are included in
       Part IV of this report on the pages indicated:
       For the three fiscal years ended March 31, 1998 -- Schedule II
       Valuation and Qualifying Accounts
   (3) Exhibits
 
  The following exhibits are filed or incorporated by reference into this
report.
 
  (A) EXHIBITS
 
 3.1(1) Restated Certificate of Incorporation of the Company.
 3.2(2) Amended and Restated Bylaws of the Company.
 
                                      10
<PAGE>
 
<TABLE>    
 <C>      <S>
  4.1(3)  Specimen Stock Certificate.
          Form of Indemnification Agreement between the Company and each of its
 10.1(3)  Officers and Directors.
          1982 Employee Incentive Stock Option Plan, as amended, and form of
 10.2(3)  Option Agreement.
 10.3(3)  1992 Stock Option Plan as amended, and form of Option Agreement.
 10.4(3)  1997 Employee Stock Purchase Plan and form of Subscription Agreement.
 10.5(3)  1997 Directors' Stock Option Plan and form of Option Agreement.
          401(k) Plan, effective April 1, 1985 and form of Enrollment
 10.6(3)  Agreement.
          Convertible Preferred Stock, Series 1 and Series 2, Purchase
 10.7(3)  Agreement, dated December 8, 1983.
          Convertible Preferred Stock Series 3 Purchase Agreement, dated
 10.8(3)  September 16, 1987.
 10.9(3)  Industrial Real Estate Lease, dated October 29, 1996 between the
          Registrant and ADI Mesa Partners AMCC, L.P. (the Sequence Drive
          Lease).
 10.10(3) Industrial Real Estate Lease, dated April 8, 1992 between the
          Registrant and Mira Mesa Business Park (the Oberlin Drive Lease).
 10.11(3) Security Agreements, dated January 30, 1992 by and between the
          Registrant and Roger Smullen.
 10.12(3) Promissory Notes, dated January 30, 1992, as amended, by and between
          the Registrant and Roger Smullen.
 10.13(3) Loan Agreement, dated May 1, 1996 and Exercise Notice and Restricted
          Stock Purchase Agreements dated July 23, 1997 by and between
          Registrant and David Rickey.
 10.14(3) Promissory Notes, dated February 12, 1996, May 1, 1996, April 1, 1997
          and July 23, 1997 by and between the Registrant and David Rickey.
 10.15(3) Patent License Agreement, dated January 1, 1998, as amended by and
          between Registrant and Motorola, Inc.
 10.16(3) Patent License Agreement, dated March 1, 1991, as amended, by and
          between Registrant and International Business Machines Corporation.
 10.17(3) Patent License Agreement, dated June 1, 1997 by and between
          Registrant and International Business Machines Corporation.
 10.18(3) Letter Agreement, dated January 30, 1996 by and between the
          Registrant and David Rickey.
 10.19(3) Patent License Agreement, dated October 19, 1992, as amended by and
          between Registrant and Alcatel Network Systems, Inc.
 10.20(3) Amendment No. 1 to Convertible Preferred Stock, Series 1 and Series 2
          Purchase Agreement, dated September 16, 1987 and Convertible
          Preferred Stock, Series 3 Purchase Agreement, dated September 16,
          1987.
 10.21(4) Loan Agreement Secured by Property, dated February 19, 1998 by and
          between Registrant and Laszlo Gal and Agnes Gal.
 10.22(4) Note Secured by Deed of Trust, dated February 19, 1998 by and between
          Registrant and Laszlo Gal and Agnes Gal.
 10.23(4) Loan and Pledge Agreement, dated February 19, 1998 by and between
          Registrant and Anil Bedi.
 11.1(5)  Computation of Per Share Data under SFAS No. 128.
 21.1(6)  Subsidiary of the Registrant.
 23.1     Consent of Independent Auditors
 24.1(6)  Power of Attorney (see page 42).
 27.1     Financial Data Schedules.
</TABLE>      
 
                                       11
<PAGE>
 
  (b) Current reports on Form 8-K. The registrant filed the following current
      reports on Form 8-K with the Commission during the fourth quarter of the
      fiscal year ended March 31, 1998:
 
    (1) On February 27, 1998, the Company filed a report on Form 8-K
        reporting under Item 5 thereof, regarding the audited consolidated
        financial statements for the three year periods ended March 31, 1997
        and unaudited financial statements for the nine month periods ended
        December 31, 1996 and 1997, respectively.
- --------
(1) Incorporated by reference to Exhibit 3.2 filed with the Company's
    Registration Statement (No. 333-37609) filed October 10, 1997, or with any
    Amendments thereto, which registration statement became effective November
    24, 1997.
(2) Incorporated by reference to Exhibit 3.4 filed with the Company's
    Registration Statement (No. 333-37609) filed October 10, 1997, or with any
    Amendments thereto, which registration statement became effective November
    24, 1997.
(3) Incorporated by reference to identically numbered exhibits filed with the
    Company's Registration Statement (No. 333-37609) filed October 10, 1997, or
    with any Amendments thereto, which registration statement became effective
    November 24, 1997.
(4) Incorporated by reference to identically numbered exhibits filed with the
    Company's Registration Statement (No. 333-46071) filed February 11, 1998, or
    with any Amendments thereto, which registration statement became effective
    March 12, 1998.
(5) The Computation of Per Share Data under SFAS No. 128 is included on page
    F-9 of this report.
    
(6) Incorporated by reference to identically numbered exhibits filed with the
    Company's Annual Report on Form 10-K filed June 15, 1998.       
 
  Schedules not listed above have been omitted because the information
required to be set forth therein is not applicable or is shown in the
financial statements or notes thereto.
 
 
                                      12
<PAGE>
 
                                  SIGNATURES
 
  Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.
 
                                          APPLIED MICRO CIRCUITS CORPORATION
 
                                             
                                          By:      /s/ Joel O. Holliday 
                                             ----------------------------------
                                                     Joel O. Holliday
                                                 Chief Financial Officer     
                                                         
     
Date: October 15, 1998      
 
        
 
  Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities and on the dates indicated.
 
<TABLE>     
<CAPTION> 
              SIGNATURE                      TITLE                   DATE
<S>                                  <C>                       <C>  
          David M. Rickey  *         President and Chief       October 15, 1998
- -----------------------------------   Executive Officer
          David M. Rickey
 
     /s/ Joel O. Holliday            Chief Financial           October 15, 1998
- -----------------------------------   Officer
         Joel O. Holliday
 
       Roger A. Smullen, Sr.  *      Director and Chairman     October 15, 1998
- -----------------------------------   of the Board of
       Roger A. Smullen, Sr.          Directors
 
       William K. Bowes, Jr.  *      Director                  October 15, 1998
- -----------------------------------
       William K. Bowes, Jr.
 
          R. Clive Ghest  *          Director                  October 15, 1998
- -----------------------------------
          R. Clive Ghest
 
     
        Franklin P. Johnson, Jr.  *  Director                  October 15, 1998
- -----------------------------------
        Franklin P. Johnson, Jr.
 
        Arthur B. Stabenow  *        Director                  October 15, 1998
- -----------------------------------
        Arthur B. Stabenow
</TABLE>      

     
* By:   /s/  Joel O. Holliday
     ------------------------------ 
             Joel O. Holliday
            (Attorney-in-Fact)     
           
                                      13

<PAGE>
 
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Report of Ernst & Young LLP, Independent Auditors.........................  F-2
Consolidated Balance Sheets as of March 31, 1997 and 1998.................  F-3
Consolidated Statements of Operations for the fiscal years ended 
 March 31, 1996, 1997 and 1998............................................  F-4
Consolidated Statements of Stockholders' Equity for the fiscal years
 March 31, 1996, 1997 and 1998............................................  F-5
Consolidated Statements of Cash Flows for the fiscal years ending
 March 31, 1996, 1997 and 1998............................................  F-6
Notes to Consolidated Financial Statements................................  F-7
</TABLE>
 
                                      F-1
<PAGE>
 
               REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
 
The Board of Directors
Applied Micro Circuits Corporation
 
  We have audited the accompanying consolidated balance sheets of Applied
Micro Circuits Corporation as of March 31, 1997 and 1998, and the related
consolidated statements of operations, stockholders' equity, and cash flows
for each of the three years in the period ended March 31, 1998. Our audits
also included the financial statement schedule listed in the index at Item
14(a). These financial statements and schedule are the responsibility of the
Company's management. Our responsibility is to express an opinion on these
financial statements and schedule based on our audits.
 
  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.
 
  In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the consolidated financial position
of Applied Micro Circuits Corporation at March 31, 1997 and 1998, and the
consolidated results of its operations and its cash flows for each of the
three years in the period ended March 31, 1998, in conformity with generally
accepted accounting principles. Also, in our opinion the related financial
statement schedule, when considered in relation to the basic financial
statements taken as a whole, present fairly in all material respects the
information set forth therein.
 
                                          ERNST & YOUNG LLP
 
San Diego, California
April 21, 1998
 
                                      F-2
<PAGE>
 
                       APPLIED MICRO CIRCUITS CORPORATION
 
                          CONSOLIDATED BALANCE SHEETS
 
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                MARCH 31,
                                                             -----------------
                           ASSETS                             1997      1998
                           ------                            -------  --------
<S>                                                          <C>      <C>
Current assets:
  Cash and cash equivalents................................. $ 5,488  $  6,460
  Short-term investments--available-for-sale................   8,109    61,436
  Accounts receivable, net of allowance for doubtful
   accounts of $200 and $350 at March 31, 1997 and 1998,
   respectively.............................................   8,418    12,179
  Inventories...............................................   7,530     8,185
  Deferred income taxes.....................................      --     3,882
  Notes receivable from officer and employees...............       8        87
  Other current assets......................................     690     2,297
                                                             -------  --------
    Total current assets....................................  30,243    94,526
Notes receivable from officers and employees................     803     1,090
Property and equipment, net.................................  10,768    17,218
                                                             -------  --------
  Total assets.............................................. $41,814  $112,834
                                                             =======  ========
<CAPTION>
            LIABILITIES AND STOCKHOLDERS' EQUITY
            ------------------------------------
<S>                                                          <C>      <C>
Current liabilities:
  Accounts payable.......................................... $ 2,428  $  5,215
  Accrued payroll and related expenses......................   3,102     5,057
  Other accrued liabilities.................................   1,881     2,344
  Deferred revenue..........................................     806     1,873
  Current portion of long-term debt.........................      37       567
  Current portion of capital lease obligations..............   2,625     2,053
                                                             -------  --------
    Total current liabilities...............................  10,879    17,109
Long-term debt, less current portion........................      --     2,736
Long-term capital lease obligations, less current portion...   3,192     1,355
Commitments and contingencies (Notes 6 and 10)..............
Stockholders' equity:
  Preferred Stock, $0.01 par value:
   2,000,000 shares authorized, none issued and outstanding.      --        --
  Convertible preferred stock, $0.01 par value:
   Authorized shares--1,350,000 and none at March 31, 1997,
    and 1998, respectively..................................
   Issued and outstanding shares--1,223,594 and none at
    March 31, 1997, and 1998, respectively..................
   Liquidation value--$25,695 and none at March 31, 1997 and
    March 31, 1998, respectively............................      12        --
  Common Stock, $0.01 par value:
   Authorized shares--34,500,000 and 60,000,000 at March 31,
    1997 and 1998, respectively.............................
   Issued and outstanding shares--5,025,357 and 22,536,013
    at March 31, 1997 and 1998, respectively................      50       225
  Additional paid-in capital................................  36,974    86,660
  Deferred compensation, net................................      --      (472)
  Retained earnings (deficit)...............................  (9,235)    5,722
  Notes receivable from stockholders........................     (58)     (501)
                                                             -------  --------
    Total stockholders' equity..............................  27,743    91,634
                                                             -------  --------
  Total liabilities and stockholders' equity................ $41,814  $112,834
                                                             =======  ========
</TABLE>
 
                             See accompanying notes
 
                                      F-3
<PAGE>
 
                       APPLIED MICRO CIRCUITS CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>     
<CAPTION>
                                                          FISCAL YEAR ENDED 
                                                              MARCH 31,
                                                      -------------------------
                                                       1996     1997     1998
                                                      -------  -------  -------
<S>                                                   <C>      <C>      <C>
Net revenues......................................... $50,264  $57,468  $76,618
Cost of revenues.....................................  34,169   30,057   34,321
                                                      -------  -------  -------
Gross Profit.........................................  16,095   27,411   42,297
Operating expenses:
  Research and development...........................   8,283    7,870   13,268
  Selling, general and administrative................  11,232   12,537   14,278
                                                      -------  -------  -------
    Total operating expenses.........................  19,515   20,407   27,546
                                                      -------  -------  -------
Operating income (loss)..............................  (3,420)   7,004   14,751
Interest income (expense), net.......................    (242)     (29)     871
                                                      -------  -------  -------
Income (loss) before income taxes....................  (3,662)   6,975   15,622
Provision for income taxes...........................      32      659      406
                                                      -------  -------  -------
Net income (loss).................................... $(3,694) $ 6,316  $15,216
                                                      =======  =======  =======
Basic earnings (loss) per share:
  Earnings (loss) per share.......................... $ (0.81) $  1.26  $  1.44
                                                      =======  =======  =======
  Shares used in calculating basic earnings (loss)
   per share.........................................   4,566    5,006   10,594
                                                      =======  =======  =======
Diluted earnings (loss) per share:
  Earnings (loss) per share.......................... $ (0.21) $  0.35  $  0.75
                                                      =======  =======  =======
  Shares used in calculating diluted earnings (loss)
   per share.........................................  17,394   17,907   20,294
                                                      =======  =======  =======
</TABLE>      
 
 
                            See accompanying notes.
 
                                      F-4
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
 
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                           CONVERTIBLE                                                              NOTES
                         PREFERRED STOCK     COMMON STOCK     ADDITIONAL              RETAINED    RECEIVABLE      TOTAL
                        ------------------ ------------------  PAID-IN     DEFERRED   EARNINGS       FROM     STOCKHOLDERS'
                          SHARES    AMOUNT   SHARES    AMOUNT  CAPITAL   COMPENSATION (DEFICIT)  STOCKHOLDERS    EQUITY
                        ----------  ------ ----------  ------ ---------- ------------ ---------  ------------ -------------
<S>                     <C>         <C>    <C>         <C>    <C>        <C>          <C>        <C>          <C>
Balance, March 31,
1995..................   1,223,594   $ 12   4,426,257   $ 44   $36,733      $  --     $(11,750)     $(234)       $24,805
 Issuance of stock
  pursuant to exercise
  of stock options....          --     --     547,767      5       251         --           --         --            256
 Repurchase of common
  stock...............          --     --      (5,708)    --       (13)        --           --         --            (13)
 Payments on and
  forgiveness of notes          --     --          --     --        --         --           --        158            158
 Net loss.............          --     --          --     --        --         --       (3,694)        --         (3,694)
                        ----------   ----  ----------   ----   -------      -----     --------      -----        -------
Balance, March 31,
1996..................   1,223,594     12   4,968,316     49    36,971         --      (15,444)       (76)        21,512
 Issuance of stock
  pursuant to exercise
  of stock options....          --     --      92,680      1        41         --           --         --             42
 Repurchase of common
  stock...............          --     --     (35,639)    --       (38)        --         (107)        --           (145)
 Payments on notes....          --     --          --     --        --         --           --         18             18
 Net income...........          --     --          --     --        --         --        6,316         --          6,316
                        ----------   ----  ----------   ----   -------      -----     --------      -----        -------
Balance, March 31,
1997..................   1,223,594     12   5,025,357     50    36,974         --       (9,235)       (58)        27,743
 Issuance of Common
  Stock, net of
  issuance costs......          --     --   5,038,448     51    51,942         --           --         --         51,993
 Conversion of
  convertible preferred
  stock to common
 Stock................  (1,051,294)   (11) 10,717,317    107       (96)        --           --         --             --
 Issuance of stock
  pursuant to exercise
  of stock options....          --     --   1,701,620     17       858         --           --       (455)           420
 Net exercise of
  warrants............          --     --      53,271     --        --         --           --         --             --
 Payments on notes....          --     --          --     --        --         --           --         12             12
 Repurchase of
  convertible preferred
  stock...............    (172,300)    (1)         --     --    (3,617)        --         (259)        --         (3,877)
 Deferred compensation
  related to stock
  options.............          --     --          --     --       599       (599)          --         --             --
 Amortization of
  deferred
  compensation........          --     --          --     --        --        127           --         --            127
 Net Income...........          --     --          --     --        --         --       15,216         --         15,216
                        ----------   ----  ----------   ----   -------      -----     --------      -----        -------
Balance, March 31,
1998..................          --   $ --  22,536,013   $225   $86,660      $(472)    $  5,722      $(501)       $91,634
                        ==========   ====  ==========   ====   =======      =====     ========      =====        =======
</TABLE>
 
                            See accompanying notes.
 
                                      F-5
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
                                (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                       YEAR ENDED MARCH 31,
                                                  -----------------------------
                                                    1996      1997      1998
                                                  --------  --------  ---------
<S>                                               <C>       <C>       <C>
Operating Activities
  Net income (loss).............................  $ (3,694) $  6,316  $  15,216
  Adjustments to reconcile net income (loss) to
   net cash provided by operating activities:
  Depreciation and amortization.................     5,311     5,185      5,174
  Write-offs of inventories.....................     3,663       452        600
  Amortization of deferred compensation.........        --        --        127
  Loss on debt forgiveness......................       150        --         --
  Changes in assets and liabilities:
   Accounts receivable..........................      (594)    1,058     (3,761)
   Inventories..................................    (1,776)   (1,146)    (1,255)
   Other current assets.........................       320      (116)    (1,607)
   Accounts payable.............................     1,853    (1,553)     2,787
   Accrued payroll and other accrued
    liabilities.................................     1,047     1,562      2,418
   Deferred income taxes........................        --        --     (3,882)
   Deferred revenue.............................       416       (25)     1,067
                                                  --------  --------  ---------
     Net cash provided by operating activities..     6,696    11,733     16,884
Investing Activities
  Proceeds from sales and maturities of short-
   term investments.............................    11,238     7,944     66,547
  Purchase of short-term investments............   (10,859)  (11,512)  (119,874)
  Notes receivable from officers and employees..      (203)     (608)      (366)
  Purchase of property and equipment............    (1,427)   (2,855)   (11,342)
                                                  --------  --------  ---------
     Net cash used for investing activities.....    (1,251)   (7,031)   (65,035)
Financing Activities
  Net proceeds from issuance of common stock,
   net..........................................       256        42     52,413
  Repurchase of common stock....................       (13)     (145)        --
  Repurchase of convertible preferred stock.....        --        --     (3,877)
  Payments on notes receivable from
   stockholders.................................         8        18         12
  Payments on capital lease obligations.........    (2,750)   (2,824)    (2,691)
  Payments on long-term debt....................      (864)     (582)       (37)
  Issuance of long-term debt....................        --        --      3,303
                                                  --------  --------  ---------
     Net cash provided by (used for) financing
      activities................................    (3,363)  ( 3,491)    49,123
                                                  --------  --------  ---------
     Net increase in cash and cash equivalents..     2,082     1,211        972
Cash and cash equivalents at beginning of
 period.........................................     2,195     4,277      5,488
                                                  --------  --------  ---------
Cash and cash equivalents at end of period......  $  4,277  $  5,488  $   6,460
                                                  ========  ========  =========
Supplemental disclosure of cash flow
 information:
  Cash paid for:
  Interest......................................  $    715  $    656  $     380
                                                  ========  ========  =========
  Income taxes..................................  $     48  $    770  $   3,251
                                                  ========  ========  =========
</TABLE>
 
Supplemental schedule of noncash investing and financing activities:
 
Capital lease obligations of approximately $1.2 million, $1.2 million and
$282,000 were incurred during fiscal years 1996, 1997 and 1998, respectively.
During the fiscal year 1998, notes were received for the exercise of stock
options totaling $455,000.
 
                            See accompanying notes.
 
                                      F-6
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
                  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
 Business
 
  The Company designs, develops, manufactures and markets high-performance,
high-bandwidth silicon solutions for the world's communications
infrastructure.
 
 Basis of Presentation
 
  The consolidated financial statements include the accounts of the Company
and its wholly-owned subsidiary. All significant intercompany balances and
transactions have been eliminated in consolidation.
 
 Cash, Cash Equivalents and Short-Term Investments
 
  Cash and cash equivalents consist of money market type funds and highly
liquid debt instruments with original maturities of three months or less at
the date of acquisition. Short-term investments consist of United States
Treasury notes, obligations of U.S. government agencies and corporate bonds.
The Company maintains its excess cash in financial institutions with strong
credit ratings and has not experienced any significant losses on its
investments. The estimated fair value of each investment security approximates
cost and, therefore, no unrealized gains or losses existed as of March 31,
1997 and 1998.
 
  The following is a summary of available-for-sale securities (in thousands):
 
<TABLE>
<CAPTION>
                                                                  MARCH 31,
                                                                --------------
                                                                 1997   1998
                                                                ------ -------
   <S>                                                          <C>    <C>
   U.S. treasury securities and obligations of U.S. Government
    agencies................................................... $4,189 $15,908
   U.S. corporate debt securities..............................  3,628  45,528
   Other.......................................................    292      --
                                                                ------ -------
                                                                $8,109 $61,436
                                                                ====== =======
</TABLE>
 
  Available-for-sale securities by contractual maturity are as follows (in
thousands):
 
<TABLE>
<CAPTION>
                                                                       MARCH 31,
                                                                         1998
                                                                       ---------
   <S>                                                                 <C>
   Due in one year or less............................................  $50,510
   Due after one year through two years...............................    5,663
   Greater than two years.............................................    5,263
                                                                        -------
                                                                        $61,436
                                                                        =======
</TABLE>
 
 Concentration of Credit Risk
 
  The Company believes that the concentration of credit risk in its trade
receivables is mitigated by the Company's credit evaluation process,
relatively short collection terms and dispersion of its customer base. The
Company generally does not require collateral. The Company has not experienced
significant losses on trade receivables from any particular customer or
geographic region for any period presented.
 
  The Company invests its excess cash in debt instruments of the U.S.
Treasury, governmental agencies and corporations with strong credit ratings.
The Company has established guidelines relative to diversification and
maturities that attempt to maintain safety and liquidity. These guidelines are
periodically reviewed and modified to take advantage of trends in yields and
interest rates. The Company has not experienced any significant losses on its
cash equivalents or short-term investments.
 
                                      F-7
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
 Use of Estimates
 
  The preparation of financial statements in accordance with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the amounts reported in the financial statements and
disclosures made in the accompanying notes to the financial statements. These
estimates include assessing the collectability of accounts receivable, the use
and recoverability of inventory, estimates to complete engineering contracts,
costs of future product returns under warranty and provisions for
contingencies expected to be incurred. Actual results could differ from those
estimates.
 
 Inventories
 
  Inventories are stated at the lower of cost (determined on a first-in,
first-out basis) or market. The Company's inventory valuation process is done
on a part-by-part basis. Lower of cost to market adjustments, specifically
identified on a part-by-part basis, reduce the carrying value of the related
inventory and take into consideration reductions in sales prices, excess
inventory levels and obsolete inventory. Once established, these adjustments
are considered permanent and are not reversed until the related inventory is
sold or disposed.
 
 Property and Equipment
 
  Property and equipment are stated at cost and depreciated over the estimated
useful lives of the assets (3 to 7 years) using the straight line method.
Leasehold improvements are stated at cost and amortized over the shorter of
the useful life of the asset or the lease term. Property and equipment under
capital leases are recorded at the net present value of the minimum lease
payments and are amortized over the shorter of the useful life of the assets
or the lease term. Leased assets purchased at the expiration of the lease term
are capitalized at acquisition cost.
 
 Impairment of Long-Lived Assets
 
  In accordance with Statement of Financial Accounting Standards ("SFAS") No.
121, "Accounting for the Impairment of Long-Lived Assets and Long-Lived Assets
to Be Disposed Of", the Company records impairment losses on long-lived assets
used in operations when indicators of impairment are present and the
undiscounted cash flows estimated to be generated by those assets are less
than the assets' carrying amounts. SFAS No. 121 also addresses the accounting
for long-lived assets that are expected to be disposed of. Through March 31,
1998, the Company has not experienced any such impairments.
 
 Advertising Cost
 
  Advertising costs are expensed as incurred.
 
 Revenues
 
  Revenues related to product sales are generally recognized when the products
are shipped to the customer. Recognition of revenues and the related cost of
revenues on shipments to distributors that are made under agreements allowing
for price protection and right of return on products unsold by the distributor
are deferred until the distributor ships the product to its customer. Revenues
on engineering design contracts are recognized using the percentage-of-
completion method based on actual cost incurred to date compared to total
estimated costs of the project. Deferred revenue represents the margin on
shipments of products to distributors that will be recognized when the
distributors ship the products to their customers and billings in excess of
costs and estimated earnings on uncompleted engineering design contracts.
 
 Warranty Reserves
 
  Estimated expenses for warranty obligations are accrued as revenue is
recognized. Reserve estimates are adjusted periodically to reflect actual
experience.
 
                                      F-8
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
 Research and Development
 
  Research and development costs are expensed as incurred. Substantially all
research and development expenses are related to new product development,
designing significant improvements to existing products and new process
development.
 
 Stock-Based Compensation
 
  The Company has elected to follow Accounting Principles Board Opinion No.
25, Accounting for Stock Issued to Employees ("APB 25") and related
interpretations in accounting for its employee and director stock options
because the alternative fair value accounting provided for under SFAS No. 123,
Accounting for Stock-Based Compensation ("SFAS 123"), requires the use of
option valuation models that were not developed for use in valuing employee
and director stock options. Under SFAS 123 compensation cost is determined
using the fair value of stock-based compensation determined as of the grant
date, and is recognized over the periods in which the related services are
rendered. The statement also permits companies to elect to continue using the
current implicit value accounting method specified in APB 25 to account for
stock-based compensation and disclose in the footnotes to the financial
statements the pro forma effect of using the fair value method for its stock
based compensation.
 
 Reclassification
 
  Certain prior period amounts have been reclassified to conform to the
current period presentation.
 
 Earnings (Loss) Per Share
 
  In February 1997, the Financial Accounting Standards Board issued SFAS No.
128. "Earnings per Share," which supersedes APB Opinion No. 15. SFAS No. 128
replaces the presentation of primary earnings per share (EPS) with "Basic EPS"
which includes no dilution and is based on weighted-average common shares
outstanding for the period. Companies with complex capital structures,
including the Company, will also be required to present "Diluted EPS" that
reflects the potential dilution of securities such as employee stock options
and warrants to purchase common stock. SFAS No. 128 is effective for financial
statements issued for periods ending after December 15, 1997. On February 3,
1998, the SEC issued Staff Accounting Bulletin (SAB) No. 98 which revised the
previous instructions for determining the dilutive effects in earnings per
share computations of common stock and common stock equivalents issued at
prices below the IPO price prior to the effectiveness of the IPO.
 
  The reconciliation of shares used to calculate basic and diluted earnings
(loss) per share consists of the following (in thousands):
 
<TABLE>    
<CAPTION>
                                                                MARCH 31,
                                                           --------------------
                                                            1996   1997   1998
                                                           ------ ------ ------
   <S>                                                     <C>    <C>    <C>
   Shares used in basic earnings (loss) per share
    computation--weighted average common shares 
    outstanding...........................................  4,566  5,006 10,594
   Effect of assumed conversion of preferred stock from
    date of issuance...................................... 12,828 12,828  7,434
   Net effect of dilutive common share equivalents based
    on treasury stock method..............................     --     73  2,266
                                                           ------ ------ ------
   Shares used in diluted earnings (loss) per share
    computations.......................................... 17,394 17,907 20,294
                                                           ====== ====== ======
</TABLE>     
 
 Recently Issued Accounting Standards
 
  In June 1997, the Financial Accounting Standards Board issued SFAS No. 130,
Reporting Comprehensive Income, and SFAS No. 131, Segment Information. Both of
these standards are effective for fiscal years beginning
 
                                      F-9
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
after December 15, 1997. SFAS No. 130 requires that all components of
comprehensive income, including net income, be reported in the financial
statements in the period in which they are recognized. Comprehensive income is
defined as the change in equity during a period from transactions and other
events and circumstances from non-owner sources. Net income and other
comprehensive income, including foreign currency translation adjustments, and
unrealized gains and losses on investments, shall be reported, net of their
related tax effect, to arrive at comprehensive income. The Company does not
believe that comprehensive income or loss has been materially different than
net income or loss as reported. SFAS No. 131 amends the requirements for
public enterprises to report financial and descriptive information about their
reportable operating segments. Operating segments, as defined in SFAS No. 131,
are components of an enterprise for which separate financial information is
available and is evaluated regularly by the Company in deciding how to
allocate resources and in assessing performance. The financial information is
required to be reported on the basis that is used internally for evaluating
the segment performance. The Company believes it operates in one business and
operating segment and does not believe adoption of SFAS No. 131 will have a
material impact on the Company's financial statements.
 
NOTE 2. CERTAIN FINANCIAL STATEMENT INFORMATION
 
<TABLE>
<CAPTION>
                                                                 MARCH 31,
                                                             ------------------
                                                               1997      1998
                                                             --------  --------
   <S>                                                       <C>       <C>
   Inventories (in thousands):
     Finished goods......................................... $  1,076  $  1,817
     Work in process........................................    4,279     5,161
     Raw materials..........................................    2,175     1,207
                                                             --------  --------
                                                             $  7,530  $  8,185
                                                             ========  ========
   Property and equipment (in thousands):
     Machinery and equipment................................ $ 21,211  $ 25,983
     Leasehold improvements.................................    5,789     7,476
     Computers, office furniture and equipment..............   11,701    13,219
                                                             --------  --------
                                                               38,701    46,678
   Less accumulated depreciation and amortization...........  (27,933)  (29,460)
                                                             --------  --------
                                                             $ 10,768  $ 17,218
                                                             ========  ========
</TABLE>
 
  The cost and accumulated amortization of machinery and equipment under
capital leases at March 31, 1998 were approximately $10.0 million and $7.2
million, respectively ($12.2 million and $7.3 million, at March 31, 1997).
Amortization of assets held under capital leases is included with depreciation
expense.
 
  During the years ended March 31, 1996, 1997 and 1998, the Company earned
interest income of $473,000, $627,000 and $1,252,000, respectively, and
incurred interest expense of $715,000, $656,000 and $381,000, respectively.
 
NOTE 3. LONG-TERM DEBT
 
  The Company has an equipment line of credit agreement with a bank for $5
million, of which $3.3 million was utilized at March 31, 1998 and which
expires March 31, 1999. Advances under the line of credit are collateralized
by the equipment purchased. Borrowings under the line of credit are required
to be repaid in equal monthly installments over five to seven years and bear
interest at a rate based on 5 year Treasury Bills plus 1.9% which is fixed as
of the date of the note. At March 31, 1998, the Company had approximately $1.7
million available under the line of credit.
 
                                     F-10
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
  Long-term debt consists of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                                    MARCH 31,
                                                                   ------------
                                                                   1997   1998
                                                                   ----  ------
   <S>                                                             <C>   <C>
   10% notes payable, paid in April 1997.........................  $ 37  $   --
   Notes Payable (under line of credit), principal and interest
    payable in monthly installments of $66,000 through March 2003
    at 7.42%.....................................................    --   3,303
                                                                   ----  ------
                                                                     37   3,303
   Less current portion..........................................   (37)   (567)
                                                                   ----  ------
                                                                   $ --  $2,736
                                                                   ====  ======
</TABLE>
 
  Principal maturities of the note payable at March 31, 1998 are as follows
for years ending March 31: $567,000, 1999; $610,000, 2000; $657,000, 2001;
$707,000, 2002 and $762,000, 2003.
 
NOTE 4. STOCKHOLDERS' EQUITY
 
  On October 6, 1997, the Board of Directors authorized, which the
stockholders subsequently approved, a two for three reverse stock split of all
outstanding common stock. All share and per share amounts and stock option
data have been restated to retroactively reflect the stock split. In November
1997, the Certificate of Incorporation of the Company was amended to provide
that the authorized number of shares of common and preferred stock issuable by
the Company was 60,000,000 shares of common stock ($0.01 par value) and
2,000,000 shares of preferred stock ($0.01 par value).
 
 Stock Offerings
 
  In December 1997, the Company completed an initial public offering of its
common stock. The offering raised net proceeds to the Company of approximately
$25.1 million. In March, 1998, the Company completed a secondary offering of
common stock in which the Company raised net proceeds of approximately $26.9.
 
 Convertible Preferred Stock
 
  On April 24, 1997 the Board authorized the Company to repurchase up to $4
million of convertible preferred stock, with priority given to the holders of
convertible preferred stock that submitted bids for the sale of their shares
of convertible preferred stock at the lowest price per share. On June 20,1997,
the Company repurchased an aggregate of 172,300 shares of convertible
preferred stock for approximately $3.9 million at prices between $1.20 and
$2.61 per share on an as converted to common stock basis. In connection with
the initial public offering, all then outstanding shares of convertible
preferred stock immediately converted into 10,717,317 shares of common stock.
 
 Preferred Stock
 
  In November 1997, the Certificate of Incorporation was amended to allow the
issuance of up to 2,000,000 shares of preferred stock in one or more series
and to fix the rights, preferences, privileges and restrictions thereof,
including dividend rights, dividend rates, conversion rights, voting rights,
terms of redemption, redemption prices, liquidation preferences and the number
of shares constituting any series of the designation of such series, without
further vote or action by the stockholders.
 
 Stock Options
 
  The Company's 1992 Stock Option Plan provides for the granting of incentive
and nonqualified stock options to employees. Generally, options are granted at
prices at least equal to fair value of the Company's
 
                                     F-11
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
common stock on the date of grant. In addition, certain officers and directors
have been granted nonqualified stock options. The Company's 1982 Employee
Incentive Stock Option Plan expired in 1992. Options to purchase an aggregate
of 54,812 shares of common stock under the 1982 Plan remain outstanding as of
March 31, 1998.
 
  Options under both plans expire not more than ten years from the date of
grant and are immediately exercisable after the date of grant but are subject
to certain repurchase rights by the Company, at the Company's option, until
such ownership rights have vested. Vesting generally occurs over four years.
At March 31, 1997 and 1998, 42 shares and 651,842 shares of common stock were
subject to repurchase, respectively.
 
  Pursuant to an employment agreement between the Company and an executive,
the Company granted an option to purchase 800,000 shares of the Company's
common stock at $0.53 per share under the 1992 Stock Option Plan. The option
vests ratably over four years. In the event the Company is acquired, the
agreement stipulates that under certain circumstances the executive is
eligible for certain additional compensation. These options as well as 66,667
additional options issued in April 1997 were exercised in July 1997. The
exercise was paid for with various notes, which aggregated $455,000 and bear
interest at rates between 5.98% and 6.54%, and are due at the earlier of
February 12, 2000 ($420,000) and April 9, 2001 ($35,000) or the termination of
employment.
 
  Certain other option agreements provide for the exercise of stock options
with long-term promissory notes. These notes bear interest at rates ranging
from 5.32% to 5.91%, are payable at the earlier of termination of employment
or January 1999 and are secured by the shares of common stock purchased with
the notes.
 
  Pro forma information regarding net income (loss) and net income (loss) per
share is required by SFAS No. 123, and has been determined as if the Company
had accounted for its employee stock options under the fair value method of
that statement. The fair value of the options was estimated at the date of
grant using the minimum value method for grants prior to the initial public
offering and the Black Scholes method for grants after the initial public
offering using the following weighted average assumptions for fiscal year
1996, 1997 and 1998; risk free interest rate of 6%; an expected option life of
four years; no annual dividends, and an expected volatility of .92 (used only
for the options valued using the Black Scholes method.).
 
  For purposes of pro forma disclosures, the estimated fair value of the
options is amortized to expenses over the vesting period of such options. The
effects of applying SFAS No. 123 for pro forma disclosure purposes are not
likely to be representative of the effects on pro forma net income in future
years because they do not take into consideration pro forma compensation
expenses related to grants made prior to 1996.
 
  The Company's pro forma information follows:
 
<TABLE>
<CAPTION>
                                                         YEAR ENDED MARCH 31,
                                                        -----------------------
                                                         1996     1997   1998
                                                        -------  ------ -------
   <S>                                                  <C>      <C>    <C>
   Net income (loss):
     As reported....................................... $(3,694) $6,316 $15,216
     Pro forma......................................... $(3,718) $6,225 $14,856
   Earnings (loss) per share:
     As reported:
       Basic........................................... $ (0.21) $ 0.35 $  0.84
       Diluted......................................... $ (0.21) $ 0.35 $  0.75
     Pro forma:
       Basic........................................... $ (0.21) $ 0.35 $  0.82
       Diluted......................................... $ (0.21) $ 0.35 $  0.73
   Weighted fair value of options granted during the
    year............................................... $  0.12  $ 0.15 $  6.84
</TABLE>
 
 
                                     F-12
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
  A summary of the Company's stock option activity, including those issued
outside of the plans, and related information are as follows:
 
<TABLE>
<CAPTION>
                                                  MARCH 31,
                         ---------------------------------------------------------------
                                1996                 1997                  1998
                         -------------------- -------------------- ---------------------
                                    WEIGHTED-            WEIGHTED-             WEIGHTED-
                                     AVERAGE              AVERAGE               AVERAGE
                                    EXERCISE             EXERCISE              EXERCISE
                          OPTIONS     PRICE    OPTIONS     PRICE    OPTIONS      PRICE
                         ---------  --------- ---------  --------- ----------  ---------
<S>                      <C>        <C>       <C>        <C>       <C>         <C>
Outstanding at
  Beginning of year..... 1,633,054    $0.50   1,690,160    $0.51    2,842,293    $0.51
    Granted............. 1,017,000     0.53   1,457,285     0.53    1,798,873    10.00
    Exercised...........  (547,767)    0.47     (92,680)    0.45   (1,701,620)    0.51
    Forfeited...........  (412,127)    0.51    (212,472)    0.53     (257,095)    0.64
                         ---------    -----   ---------    -----   ----------    -----
Outstanding at end of
 year................... 1,690,160    $0.51   2,842,293    $0.51    2,682,451    $6.87
                         =========    =====   =========    =====   ==========    =====
Vested at end of year...   349,337    $0.51     851,764    $0.51      635,050    $0.60
                         =========    =====   =========    =====   ==========    =====
</TABLE>
 
  The following is a further breakdown of the options outstanding at March 31,
1998:
 
<TABLE>
<CAPTION>
                                                         WEIGHTED
                                                          AVERAGE               WEIGHTED
             RANGE OF                                    REMAINING              AVERAGE
             EXERCISE             NUMBER                CONTRACTUAL             EXERCISE
               PRICE            OUTSTANDING                LIFE                  PRICE
             --------           -----------             -----------             --------
           <S>                  <C>                     <C>                     <C>
           $0.45--$ 0.97         1,737,064                 8.19                  $ 0.53
           $0.98--$ 8.25           286,596                 9.51                  $ 7.72
           $8.26--$23.87           658,791                 9.98                  $23.21
           -------------         ---------                 ----                  ------
           $0.45--$23.87         2,682,451                 8.77                  $ 6.87
           =============         =========                 ====                  ======
</TABLE>
 
  From April 1, 1997 through September 30, 1997, the Company recorded deferred
compensation expense for the difference between the exercise price and the
fair value for financial statement presentation purposes of the Company's
common stock, as determined by the Board of Directors, for all options granted
in the first and second quarters of fiscal 1998. This deferred compensation
aggregates to $599,000, which is being amortized over the four year vesting
period of the related options. Amortization during fiscal 1998 was $127,000.
 
 Warrants
 
  In connection with certain notes payable secured by equipment, capital
leases for equipment and revolving lines of credit issued in 1989 and 1990,
the Company had outstanding warrants to purchase 83,807 shares of common stock
at $2.63 to $3.00 per share, subject to certain anti-dilution adjustments and
adjustments in the event of certain mergers or acquisitions. No value was
placed on the warrants at the time of issuance as it was considered to be
immaterial. In November 1997, 53,271 shares of common stock were issued upon
the net exercise of these warrants at the initial public offering price of
$8.00 per share.
 
 1997 Employee Stock Purchase Plan
 
  The Company's 1997 Employee Stock Purchase Plan (the "1997 Purchase Plan")
was adopted by the Board of Directors on October 6, 1997, which the
stockholders subsequently approved. A total of 400,000 shares of Common Stock
are reserved for issuance under the 1997 Purchase Plan. At March 31, 1998, no
shares had been issued under the 1997 Purchase Plan.
 
                                     F-13
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
 1997 Directors' Stock Option Plan
 
  The Company's 1997 Directors' Stock Option Plan (the "Directors' Plan") was
adopted by the Board of Directors on October 6, 1997, which the stockholders
subsequently approved. A total of 200,000 shares of Common Stock are reserved
for issuance under the Directors' Plan. The Directors' Plan provides for the
grant of non-statutory options to nonemployee directors of the Company. At
March 31, 1998, no shares had been issued under the Directors' Plan.
 
 Common Shares Reserved for Future Issuance
 
  At March 31, 1998, the Company has the following shares of common stock
reserved for issuance upon the exercise of equity instruments:
 
<TABLE>
   <S>                                                                 <C>
   Stock Options:
     Issued and outstanding........................................... 2,682,451
     Authorized for future grants..................................... 1,982,639
   Stock purchase plan................................................   400,000
                                                                       ---------
                                                                       5,065,090
                                                                       =========
</TABLE>
 
NOTE 5. INCOME TAXES
 
  The provision for income taxes consists of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                                YEAR ENDED
                                                                 MARCH 31,
                                                              -----------------
                                                              1996 1997  1998
                                                              ---- ---- -------
   <S>                                                        <C>  <C>  <C>
   Current:
     Federal................................................. $27  $380 $ 3,606
     State...................................................   5   279     682
                                                              ---  ---- -------
       Total Current......................................... $32  $659 $ 4,288
   Deferred:
     Federal.................................................  --    --  (3,558)
     State...................................................  --    --    (324)
                                                              ---  ---- -------
       Total Deferred........................................  --    --  (3,882)
                                                              ---  ---- -------
                                                              $32  $659 $   406
                                                              ===  ==== =======
</TABLE>
 
  The provision (credit) for income taxes reconciles to the amount computed by
applying the federal statutory rate (35%) to income before income taxes as
follows (in thousands):
 
<TABLE>
<CAPTION>
                                                YEAR ENDED MARCH 31,
                                    ------------------------------------------
                                       1996           1997           1998
                                    ------------   ------------   ------------
                                       $      %       $      %       $      %
                                    -------  ---   -------  ---   -------  ---
<S>                                 <C>      <C>   <C>      <C>   <C>      <C>
Tax at federal statutory rate.....  $(1,282) (35)% $ 2,441   35 % $ 5,468   35 %
Increase (decrease) in valuation
 allowance of deferred tax assets.    1,282   35    (2,343) (34)   (5,094) (32)
Foreign Sales Corporation.........       --   --        --   --      (309)  (2)
Federal Alternative Minimum Tax...       27   --       380    5        --   --
State taxes, net of federal
 benefit..........................        5   --       181    3       233    1
Federal Tax Credits...............       --   --        --   --      (281)  (2)
Other.............................       --   --        --   --       389    3
                                    -------  ---   -------  ---   -------  ---
                                    $    32   --   $   659    9 % $   406    3 %
                                    =======  ===   =======  ===   =======  ===
</TABLE>
 
 
                                     F-14
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
  Significant components of the Company's deferred tax assets and liabilities
for federal and state income taxes as of March 31, 1997 and 1998 are as shown
below. As of March 31, 1997, a valuation allowance had been recognized to
offset the deferred tax assets as realization of such assets was uncertain. At
March 31, 1998, the effective tax rate is computed based on a full reduction
of the valuation allowance and realization of the deferred tax asset.
 
<TABLE>
<CAPTION>
                                                                   MARCH 31,
                                                                ---------------
                                                                 1997     1998
                                                                -------  ------
<S>                                                             <C>      <C>
Deferred tax assets (in thousands):
  Reserves..................................................... $ 2,233  $1,814
  Capitalization of inventory and research and development
   costs.......................................................     226     242
  Research and development credit carryforwards................   1,667     898
  Depreciation and amortization................................     200     242
  State income taxes...........................................      --     239
  Other credit carryforwards...................................     768     447
                                                                -------  ------
Subtotal.......................................................   5,094   3,882
Valuation allowance............................................  (5,094)     --
                                                                -------  ------
Net deferred taxes............................................. $    --  $3,882
                                                                =======  ======
</TABLE>
 
  At March 31, 1998, the Company has federal alternative minimum tax and
research and development tax credit carryforwards of approximately $447,000
and $898,000, respectively, which will begin to expire in 2008 unless
previously utilized. Under Internal Revenue Code Section 382, the Company's
use of its tax credit carryforwards could be limited in the event of certain
cumulative changes in the Company's stock ownership.
 
NOTE 6. LEASE COMMITMENTS
 
  The Company leases its present manufacturing facilities under a long-term
operating lease expiring in March 2003. The lease is renewable for up to an
additional five years. This lease requires the Company to pay property taxes
and incidental maintenance expenses and contains escalation clauses based upon
increases in the Consumer Price Index.
 
  In September 1997, the Company moved into a new administration and
manufacturing facility which is leased under a long-term operating lease. This
lease expires in September 2007, requires the Company to pay property taxes
and incidental maintenance expenses and is renewable for up to ten years. The
lease provides for defined rent increases over the term of the lease.
 
                                     F-15
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
  Annual future minimum lease payments, including machinery and equipment
under capital leases as of March 31, 1998 are as follows:
 
<TABLE>
<CAPTION>
                                                              OPERATING CAPITAL
YEAR ENDING MARCH 31,                                          LEASES   LEASES
- ---------------------                                         --------- -------
<S>                                                           <C>       <C>
  1999.......................................................  $1,062   $2,236
  2000.......................................................   1,055      811
  2001.......................................................   1,077      386
  2002.......................................................   1,096      275
  2003.......................................................   1,096       34
  Thereafter.................................................   4,180       --
                                                               ------   ------
    Total minimum lease payments.............................  $9,566    3,742
                                                               ======
Less amount representing interest............................              334
                                                                        ------
Present value of remaining minimum capital lease payments
 (including current portion of $2,053).......................           $3,408
                                                                        ======
</TABLE>
 
  Rent expense (including short-term leases and net of sublease income) for
the years ended March 31, 1996, 1997 and 1998 was $2.3 million, $1.2 million
and $1.2 million, respectively. Sublease income was $0, $208,000 and $119,000
for the years ended March 31, 1996, 1997 and 1998, respectively.
 
NOTE 7. RELATED PARTY TRANSACTIONS
 
  At March 31, 1997 and 1998, the Company had outstanding notes receivables
from officer(s) of $803,000 and $1,065,000, respectively. These notes bear
interest at the rates of 5.32% to 5.91%, and are due at the earlier of, one to
three years from the date of the note or termination of employment with the
Company.
 
NOTE 8. EMPLOYEE RETIREMENT PLAN
 
  Effective January 1, 1986, the Company established a 401(k) defined
contribution retirement plan (the "Retirement Plan") covering all full-time
employees with greater than three months of service. The Retirement Plan
provides for voluntary employee contributions from 1% to 20% of annual
compensation, subject to a maximum limit allowed by Internal Revenue Service
guidelines. The Company may contribute such amounts as determined by the Board
of Directors. Employer contributions vest to participants at a rate of 20% per
year of service, provided that after five years of service all past and
subsequent employer contributions are 100% vested. The contributions charged
to operations totaled $182,000, $318,000 and $412,000 for the years ended
March 31, 1996, 1997 and 1998, respectively.
 
NOTE 9. SIGNIFICANT CUSTOMER AND GEOGRAPHIC INFORMATION
 
  During the years ended March 31, 1996, 1997 and 1998, 20%, 20% and 21%
respectively, of net revenues were from one customer and in 1998.
Additionally, in 1998, another customer accounts for 11% of net revenues. No
other customer accounted for more than 10% of net revenues in any period. At
March 31, 1998, included in the accounts receivable were $2.3 million of
outstanding receivables from the customer that represented 21% of the net
revenues for fiscal 1998.
 
                                     F-16
<PAGE>
 
                      APPLIED MICRO CIRCUITS CORPORATION
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
  Net revenues by geographic region were as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                          YEAR ENDED MARCH 31,
                                                         -----------------------
                                                          1996    1997    1998
                                                         ------- ------- -------
<S>                                                      <C>     <C>     <C>
Net revenues:
  United States......................................... $28,134 $34,424 $44,448
  Canada................................................  10,116  10,943  14,204
  Europe and Israel.....................................   6,525   8,216  13,773
  Asia..................................................   5,489   3,885   4,193
                                                         ------- ------- -------
                                                         $50,264 $57,468 $76,618
                                                         ======= ======= =======
</TABLE>
 
NOTE 10. CONTINGENCIES
 
  The Company is party to various claims and legal actions arising in the
normal course of business, including notification of possible infringement on
the intellectual property rights of third parties. In addition, since 1993 the
Company has been named as a potentially responsible party ("PRP") along with a
large number of other companies that used Omega Chemical Corporation ("Omega")
in Whittier, California to handle and dispose of certain hazardous waste
material. The Company is a member of a large group of PRPs that has agreed to
fund certain remediation efforts at the Omega site for which the Company has
accrued approximately $50,000. Although the ultimate outcome of these matters
is not presently determinable, management believes that the resolution of all
such pending matters, net of amounts accrued, will not have a material adverse
affect on the Company's financial position or liquidity; however, there can be
no assurance that the ultimate resolution of these matters will not have a
material impact on the Company's results of operations in any period.
 
                                     F-17
<PAGE>
 
                 SCHEDULE II--VALUATION AND QUALIFYING ACCOUNTS
 
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
          COL. A              COL. B         COL. C         COL. D     COL. E
          ------            ---------- ------------------ ----------- ---------
                                           ADDITIONS
                                       ------------------
                                         (1)       (2)
                                       CHARGED   CHARGED
                            BALANCE AT TO COSTS TO OTHER               BALANCE
                            BEGINNING    AND    ACCOUNTS- DEDUCTIONS-  AT END
      DESCRIPTION           OF PERIOD  EXPENSES DESCRIBE   DESCRIBE   OF PERIOD
      -----------           ---------- -------- --------- ----------- ---------
<S>                         <C>        <C>      <C>       <C>         <C>
Year ended March 31, 1998:
 Allowance for doubtful
  accounts.................    $200      $157      $--        $ 7       $350
Year ended March 31, 1997:
 Allowance for doubtful
  accounts.................    $ 90      $198      $88        $--       $200
Year ended March 31, 1996:
 Allowance for doubtful
  accounts.................    $115      $ --      $--        $25       $ 90
</TABLE>

<PAGE>
 
                                                                    EXHIBIT 23.1

              CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statements on 
Form S-8 No. 333-40905 pertaining to the 1997 Employee Stock Purchase Plan and 
No. 333-47185 pertaining to the 1982 Employee Incentive Stock Option Plan, the 
1992 Employee Stock Option Plan and the 1997 Directors' Stock Option Plan of 
Applied Micro Circuits Corporation of our report dated April 21, 1998, with 
respect to the consolidated financial statements, as amended, and schedule of 
Applied Micro Circuits Corporation included in this Form 10-K/A.

                                      ERNST & YOUNG LLP

San Diego, California
October 14, 1998


<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S FINANCIAL STATEMENTS AS OF AND FOR THE YEAR END MARCH 31, 1998 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS INCLUDED
IN THE COMPANY'S FISCAL 1998 ANNUAL REPORT FORM 10-K.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAR-31-1998
<PERIOD-START>                             APR-01-1997
<PERIOD-END>                               MAR-31-1998
<CASH>                                           6,460
<SECURITIES>                                    61,436
<RECEIVABLES>                                   12,529
<ALLOWANCES>                                       350
<INVENTORY>                                      8,185
<CURRENT-ASSETS>                                94,526
<PP&E>                                          22,392
<DEPRECIATION>                                   5,174
<TOTAL-ASSETS>                                 112,834
<CURRENT-LIABILITIES>                           17,109
<BONDS>                                              0
                                0
                                          0
<COMMON>                                           225
<OTHER-SE>                                      91,409
<TOTAL-LIABILITY-AND-EQUITY>                   112,834
<SALES>                                         76,618
<TOTAL-REVENUES>                                76,618
<CGS>                                           34,321
<TOTAL-COSTS>                                   61,867
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 871
<INCOME-PRETAX>                                 15,622
<INCOME-TAX>                                       406
<INCOME-CONTINUING>                             15,622
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    15,216
<EPS-PRIMARY>                                     1.44
<EPS-DILUTED>                                     0.75
        

</TABLE>


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