WARBURG PINCUS JAPAN SMALL CO FUND INC
N-30D, 2000-07-10
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WARBURG PINCUS ADVISOR FUNDS                                      APRIL 30, 2000
JAPAN GROWTH FUND
JAPAN SMALL COMPANY FUND

                                        S

                               SEMIANNUAL REPORT

                  More complete information about the Funds,
                  including   charges   and   expenses,   is
                  provided  in the  Prospectus,  which  must
                  precede or  accompany  this  document  and
                  which  should  be  read  carefully  before
                  investing.   You  may  obtain   additional
                  copies  by  calling   800-222-8977  or  by
                  writing to Warburg  Pincus  Advisor Funds,
                  P.O. Box 9030, Boston, MA 02205-9030.

                               [GRAPHIC OMITTED]
WARBURG PINCUS FUNDS
                                          PART OF CREDIT SUISSE ASSET MANAGEMENT
<PAGE>
FROM TIME TO TIME, THE FUNDS' INVESTMENT ADVISER AND CO-ADMINISTRATORS MAY WAIVE
SOME FEES AND/OR  REIMBURSE SOME EXPENSES,  WITHOUT WHICH  PERFORMANCE  WOULD BE
LOWER. WAIVERS AND/OR REIMBURSEMENTS ARE SUBJECT TO CHANGE.

RETURNS ARE  HISTORICAL AND INCLUDE  CHANGE IN SHARE PRICE AND  REINVESTMENT  OF
DIVIDENDS AND CAPITAL GAINS.  PAST PERFORMANCE  CANNOT GUARANTEE FUTURE RESULTS.
RETURNS AND SHARE PRICE WILL FLUCTUATE, AND REDEMPTION VALUE MAY BE MORE OR LESS
THAN ORIGINAL COST.

INTERNATIONAL INVESTING ENTAILS SPECIAL RISK CONSIDERATIONS,  INCLUDING CURRENCY
FLUCTUATIONS,  LOWER LIQUIDITY, ECONOMIC AND POLITICAL RISKS, AND DIFFERENCES IN
ACCOUNTING METHODS.

THE  VIEWS  OF THE  FUNDS'  MANAGEMENT  ARE AS OF THE  DATE OF THE  LETTERS  AND
PORTFOLIO  HOLDINGS  DESCRIBED IN THIS DOCUMENT ARE AS OF APRIL 30, 2000;  THESE
VIEWS AND PORTFOLIO HOLDINGS MAY HAVE CHANGED SUBSEQUENT TO THESE DATES. NOTHING
IN THIS DOCUMENT IS A RECOMMENDATION TO PURCHASE OR SELL SECURITIES.

FUND  SHARES  ARE NOT  DEPOSITS  OR OTHER  OBLIGATIONS  OF CREDIT  SUISSE  ASSET
MANAGEMENT,  LLC  ("CSAM") OR ANY  AFFILIATE,  ARE NOT FDIC  INSURED AND ARE NOT
GUARANTEED BY CSAM OR ANY AFFILIATE.  FUND INVESTMENTS ARE SUBJECT TO INVESTMENT
RISKS, INCLUDING LOSS OF YOUR INVESTMENT.

<PAGE>
WARBURG PINCUS JAPAN GROWTH FUND
SEMIANNUAL INVESTMENT ADVISER'S REPORT -- APRIL 30, 2000
--------------------------------------------------------------------------------

                                                                   June 20, 2000
Dear Shareholder:

   For the six months ended April 30, 2000,  the Advisor Class shares of Warburg
Pincus  Japan  Growth  Fund had a loss of  1.17%,  vs.  a gain of 3.21%  for the
U.S.-dollar-denominated  Tokyo  Stock  Exchange  Index  ("Topix").*  The  Fund's
one-year  return  through  April 30, 2000 was 77.54%.  Its  since-inception  (on
December  29, 1995)  average  annual  total  return  through  April 30, 2000 was
22.21%.

   The modest gain made by Japan's  broad stock market for the six months belied
a period of considerable volatility.  These stocks initially surged, building on
their gains earlier in 1999, but were increasingly  buffeted by profit-taking as
2000 progressed  (indeed,  for the first time in years, there were ample profits
to  be  taken).   Certain   Internet-related  "new  economy"  names  came  under
particularly heavy selling pressure, reflecting growing concerns over valuations
on these stocks amid an  increasingly  difficult  environment for the technology
area globally.

   Against  this  backdrop,  the Fund had a loss,  hampered  by the  late-period
downturn  in  Japan's   equity  market  and  by  particular   turbulence   among
rapid-growth  companies,  which remained  well-represented  in the Fund.  Recent
weakness  in  these  stocks  notwithstanding,   we  believe  that  a  number  of
aggressive-growth Japanese companies have solid long-term prospects, and certain
technology and communications  stocks will continue to figure prominently in the
portfolio.

   We made no  material  changes to the Fund during the period in terms of basic
strategy.  We continued to look for companies with the potential to benefit from
factors  such as  strong  existing  business  franchises,  the  adoption  of new
technologies  and ongoing reform (e.g.,  with respect to capital markets) within
Japan.  In terms of industry  emphasis,  we  generally  saw the most  compelling
stocks within the communications, semiconductor-equipment, electronic-components
and  financial-services  areas,  which  continued to account for the bulk of the
Fund's investments.

   We maintain a positive view on the long-term  prospects for Japan as an asset
class,   notwithstanding   the  short-term   volatility  that  the  market  will
undoubtedly  display going forward.  Our optimism is founded on several factors,
not the least of which is the  potential  for positive  surprises  regarding the
world's   second-largest   economy.   Based   on  our   contact   with   company
managements--we  visit hundreds of Japanese  companies  yearly--and on a rash of
empirical data (e.g., recent upturns in sales, profits and capital


                                        1
<PAGE>


WARBURG PINCUS JAPAN GROWTH FUND
SEMIANNUAL INVESTMENT ADVISER'S REPORT -- APRIL 30, 2000 (CONT'D)
--------------------------------------------------------------------------------

spending) we believe  that  Japan's  recovery  remains  intact,  which stands to
support profits while easing risk concerns over time.

   One particularly encouraging trend regarding Japan's economy is a significant
upturn in corporate  Japan's  commitment to information  technology.  This could
have a materially positive impact on productivity and the economy going forward,
given  the  supportive  role IT has  played  in the U.S.  economy  over the past
decade.

   Other  positive  agents for change in a Japan striving to right itself is the
steady  expansion of equity  investing.  This includes a surge in direct foreign
investment  (which  more than  tripled in 1999) and the rise of  venture-capital
activity  in  Japan,   trends   buttressed  by  ongoing   deregulation   and  by
opportunities afforded by merger & acquisition activity.

   There remain, of course,  concerns,  such as Japan's high debt burden. But we
believe  that the  country has good  potential  to chip away its debt over time,
aided by higher tax revenues as the economy warms and by the continued expansion
of equity financing (which can favorably "crowd out" debt).

   All  told,  we  believe  that  Japan  has  much to  offer  investors  seeking
diversification  away from the U.S.,  and who are  willing to assume  short-term
risk (e.g., the risk of heightened volatility) in pursuit of long-term gains. As
ever, we will continue to strive to add value to our  portfolios  via individual
stock selection.  Notwithstanding  recent performance,  we are encouraged by our
efforts in that regard to date,  and our efforts  will  remain  concentrated  on
identifying stocks we deem to have the best long-term appreciation potential.

P. Nicholas Edwards                                   Todd Jacobson
Co-Portfolio Manager                                  Co-Portfolio Manager

   INTERNATIONAL  INVESTING  ENTAILS  SPECIAL  RISK  CONSIDERATIONS,   INCLUDING
CURRENCY  FLUCTUATIONS,  LOWER  LIQUIDITY,  ECONOMIC AND  POLITICAL  RISKS,  AND
DIFFERENCES  IN  ACCOUNTING  METHODS.  THERE  ARE  ALSO  RISKS  ASSOCIATED  WITH
INVESTING IN JAPAN,  INCLUDING THE RISK OF INVESTING IN A  SINGLE-COUNTRY  FUND.
THESE ARE  DETAILED IN THE FUND'S  PROSPECTUS,  WHICH  SHOULD BE READ  CAREFULLY
BEFORE INVESTING.


----------
* The  Topix is an  unmanaged  capitalization-weighted  index  (with no  defined
  investment objective) designed to reflect the general movement of the Japanese
  stock market.  The index consists of all shares listed on the First Section of
  the Tokyo Stock  Exchange,  which is  generally  reserved  for Japan's  larger
  companies.


                                        2
<PAGE>


WARBURG PINCUS JAPAN SMALL COMPANY FUND
SEMIANNUAL INVESTMENT ADVISER'S REPORT -- APRIL 30, 2000
--------------------------------------------------------------------------------

                                                                   June 20, 2000
Dear Shareholder:

   For the six months ended April 30, 2000,  the Advisor Class shares of Warburg
Pincus Japan Small Company Fund had a loss of 2.99%,  vs.  returns of 28.97% and
24.54% for the yen- and dollar-denominated JASDAQ indexes,* respectively,  and a
loss of 11.03% for the Morgan Stanley Capital  International Japan Small Company
Index.**  The Fund's  one-year  return  through  April 30, 2000 was 79.05%.  Its
five-year and  since-inception  (on  September  30, 1994)  average  annual total
returns through April 30, 2000 were 19.68% and 12.43%, respectively.

   Japan's stock market was highly  volatile  during the six months,  especially
late in the period,  buffeted by waves of profit-taking.  Indeed,  for the first
time in years, there were considerable  profits to be  taken--numerous  Japanese
stocks logged triple-digit gains in 1999--and investors were often quick to sell
on even a hint of discouraging news. This inclination to sell was exacerbated by
turmoil  among  technology  stocks in March and April,  which sparked a dramatic
retreat from riskier asset classes broadly.  In general,  Japan's smaller shares
underperformed their large-cap counterparts for the period,  notwithstanding the
JASDAQ's   good  showing   (the   index's   rise  was  sharply   skewed  by  two
strong-performing  large-cap  stocks,  one of which was in fact removed from the
JASDAQ during the period).

   Against  this  backdrop,  the Fund had a loss,  hindered  by the  late-period
pullback in Japan's  market and by weakness in certain "new  economy"  stocks in
particular. While the sharp downturn in these names clearly weighed on the Fund,
we intend to continue to emphasize technology and Internet-related  companies as
an  investment  theme.  In our view,  a number of  new-economy  stocks have good
long-term growth potential,  based on such factors as a strong projected rise in
Internet usage in Japan  (particularly via wireless  technologies) and corporate
Japan's accelerating expenditures on information technology.

   We made few  noteworthy  changes  to the Fund  during  the period in terms of
sector  exposure.  Our focus  remained on the  telecommunications,  electronics,
computer  and  financial-services   areas,  where  we  generally  saw  the  most
compelling  growth stories and  attractively  priced stocks.  In these areas and
elsewhere,  we continued  to stress  companies  well-positioned  to benefit from
factors such as viable business franchises, the adoption of new technologies and
a longer-term recovery in consumption spending in Japan.

   We maintain a positive  view on the  long-term  prospects  for Japan's  stock
market, notwithstanding the potential for continued significant short-term


                                        3
<PAGE>


WARBURG PINCUS JAPAN SMALL COMPANY FUND
SEMIANNUAL INVESTMENT ADVISER'S REPORT -- APRIL 30, 2000 (CONT'D)
--------------------------------------------------------------------------------

volatility.  This reflects our optimism over the economy.  Based on our numerous
visits with company managements, and on empirical data that remains, on balance,
encouraging,  we believe that Japan's  economy has good potential to surprise on
the up side over the next year and beyond.

   Another  factor  that  stands  to  support  Japanese  stocks  is the  ongoing
broadening of the country's capital markets. Japan is making significant strides
in providing  more access to capital,  for example by creating  Nasdaq Japan,  a
development that could help smaller companies especially.  The new exchange will
provide  innovative  small  Japanese  companies  access to financing  that might
otherwise be difficult or impossible to obtain. Yet another encouraging trend is
the dramatic  rise of foreign  investing  in Japan.  U.S.  companies  alone have
invested  over $9 billion in Japan over the past two years,  more than the total
they invested over the preceding 10 years.  The growth and increased  breadth of
capital in Japan should  provide an economic  stimulus over time,  lessening the
pressure  on Japan's  government  to boost the  economy  via  "borrow and spend"
projects.

   Also worthy of mention--in  fact,  perhaps the most  compelling  argument for
Japanese  stocks--is  a  strong   corporate-restructuring  trend  within  Japan.
Japanese corporations are increasingly  stressing  profitability and shareholder
value, evidenced by the continued steady flow of restructuring announcements and
the widespread shedding of unprofitable  units. True,  restructurings can create
short-term burdens (e.g., higher unemployment and restrained  consumption),  but
the longer-term implications for investors are quite compelling, in our view.

   In sum,  we believe  that  Japan's  small-company  shares are well  worthy of
consideration  by investors with a  sufficiently  high threshold for risk (e.g.,
the risk of heightened short-term  volatility).  As ever, we will remain focused
on identifying those stocks we deem to have the best long-term growth potential.

P. Nicholas Edwards                                  Todd Jacobson
Co-Portfolio Manager                                 Co-Portfolio Manager

   INTERNATIONAL  INVESTING  ENTAILS  SPECIAL  RISK  CONSIDERATIONS,   INCLUDING
CURRENCY  FLUCTUATIONS,  LOWER  LIQUIDITY,  ECONOMIC AND  POLITICAL  RISKS,  AND
DIFFERENCES  IN  ACCOUNTING  METHODS.  THERE  ARE  ALSO  RISKS  ASSOCIATED  WITH
INVESTING IN JAPAN,  INCLUDING THE RISK OF INVESTING IN A  SINGLE-COUNTRY  FUND.
THESE ARE  DETAILED IN THE FUND'S  PROSPECTUS,  WHICH  SHOULD BE READ  CAREFULLY
BEFORE INVESTING.

----------
* The JASDAQ  Over-The-Counter  Composite  Index is an unmanaged  index (with no
  defined investment  objective)  composed of stocks traded  over-the-counter in
  Japan.
**The Morgan Stanley Capital International Japan Small Company Index is composed
  of small-cap Japanese stocks.


                                        4
<PAGE>


WARBURG PINCUS JAPAN GROWTH FUND
SCHEDULE OF INVESTMENTS
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------
                                                      NUMBER
                                                        OF
                                                      SHARES        VALUE
                                                    ---------    ------------
COMMON STOCKS (99.1%)
COMMERCIAL SERVICES & SUPPLIES (4.9%)
    Trans Cosmos, Inc.                                 94,500    $ 18,800,041
    Venture Link Co., Ltd.                             48,000       3,411,073
                                                                 ------------
                                                                   22,211,114
                                                                 ------------
COMMUNICATIONS EQUIPMENT (2.6%)
    Hikari Tsushin, Inc.                               26,000       3,753,068
    Yokowo Co., Ltd.                                  280,000       7,876,262
                                                                 ------------
                                                                   11,629,330
                                                                 ------------
COMPUTERS & PERIPHERALS (3.3%)
    Obic Co., Ltd.                                     26,400      14,779,095
                                                                 ------------
DIVERSIFIED FINANCIALS (18.1%)
    Daiwa Securities Group, Inc.                      808,000      12,336,269
    Nomura Securities Co., Ltd.                       650,000      16,359,529
    Orix Corp.                                        166,800      23,799,562
    Shohkoh Fund & Co., Ltd.                           43,220       7,718,459
    The Nikko Securities Co., Ltd.                  1,830,000      21,589,859
                                                                 ------------
                                                                   81,803,678
                                                                 ------------
DIVERSIFIED TELECOMMUNICATIONS SERVICES (5.7%)
    Japan Telecom Co., Ltd.                               502      25,547,885
                                                                 ------------
ELECTRICAL EQUIPMENT (5.0%)
    Funai Electric Co., Ltd.                           41,000      22,762,693
                                                                 ------------
HEALTH CARE EQUIPMENT & SUPPLIES (6.9%)
    Hoya Corp.                                        307,000      31,247,811
                                                                 ------------
HOUSEHOLD DURABLES (4.2%)
    Sony Corp.                                        164,200      18,855,301
                                                                 ------------
INTERNET SOFTWARE & SERVICES (13.6%)
    Internet Intitiative Japan, Inc. ADR (DAGGER)     132,700       7,962,000
    Softbank Corp.                                     58,800      14,472,631
    Softbank Corp. New(DAGGER)                        117,600      29,054,080
    Takasago Electric Industry Co., Ltd.              147,500       9,963,305
                                                                 ------------
                                                                   61,452,016
                                                                 ------------
IT CONSULTING & SERVICES (2.3%)
    Fujitsu Support & Service, Inc.                    70,000      10,363,503
                                                                 ------------
MEDIA (0.9%)
    Kadokawa Shoten Publishing Co., Ltd.               26,000       4,210,173
                                                                 ------------


                See Accompanying Notes to Financial Statements.


                                        5
<PAGE>


WARBURG PINCUS JAPAN GROWTH FUND
SCHEDULE OF INVESTMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------
                                                      NUMBER
                                                        OF
                                                      SHARES        VALUE
                                                    ---------    -----------
SEMICONDUCTOR EQUIPMENT & PRODUCTS (23.7%)
    Disco Corp.                                       127,500    $ 20,174,131
    Murata Manufacturing Co., Ltd.                     90,000      17,488,411
    Rohm Co., Ltd.                                     61,000      20,432,756
    Tokyo Electronics, Ltd.                           207,000      33,730,148
    Tokyo Seimitsu Co., Ltd.                          143,000      14,952,128
                                                                 ------------
                                                                  106,777,574
                                                                 ------------
SOFTWARE (7.8%)
    Konami Co., Ltd.                                  354,000      21,619,007
    Trend Micro, Inc.(DAGGER)                          90,000      13,491,060
                                                                 ------------
                                                                   35,110,067
                                                                 ------------
TOTAL COMMON STOCKS (Cost $270,824,077)                           446,750,240
                                                                 ------------
SHORT TERM INVESTMENTS (0.0%)
    RBB Money Market Portfolio (Cost $1)                    1               1
                                                                 ------------
TOTAL INVESTMENTS AT VALUE (99.1%) (Cost $270,824,078*)           446,750,241

OTHER ASSETS IN EXCESS OF LIABILITIES (0.9%)                        4,198,806
                                                                 ------------
NET ASSETS (100.0%)                                              $450,949,047
                                                                 ============
                            INVESTMENT ABBREVIATIONS
                        ADR = American Depository Receipt
--------------------------------------------------------------------------------

(DAGGER) Non-income producing security.
* Cost for federal income tax purposes is $270,912,411.


                See Accompanying Notes to Financial Statements.


                                        6
<PAGE>


WARBURG PINCUS JAPAN SMALL COMPANY FUND
SCHEDULE OF INVESTMENTS
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------
                                                      NUMBER
                                                        OF
                                                      SHARES        VALUE
                                                    ---------    -----------
COMMON STOCKS (108.2%)
COMMUNICATIONS EQUIPMENT (3.1%)
    Hikari Tsushin, Inc.                               41,850    $  6,040,997
    Yokowo Co. Ltd.                                   248,000       6,976,118
                                                                 ------------
                                                                   13,017,115
                                                                 ------------
COMMERCIAL SERVICES & SUPPLIES (7.8%)
    Trans Cosmos, Inc.                                163,600      32,546,950
                                                                 ------------
COMPUTERS & PERIPHERALS (5.2%)
    Obic Co., Ltd.                                     38,400      21,496,866
                                                                 ------------
DIVERSIFIED FINANCIALS (12.5%)
    Daiwa Securities Group, Inc.                    1,207,000      18,428,066
    Nomura Securities Co., Ltd.                       800,000      20,134,805
    Shohkoh Fund & Co., Ltd.                           75,330      13,452,835
                                                                 ------------
                                                                   52,015,706
                                                                 ------------
ELECTRICAL EQUIPMENT (12.5%)
    Densei-Lambda K.K                                 181,900       3,450,445
    Funai Electric Co., Ltd.                           63,000      34,976,821
    Megachips Corp.                                   220,000      13,455,898
                                                                 ------------
                                                                   51,883,164
                                                                 ------------
HOUSEHOLD DURABLES (5.1%)
    Sony Corp.                                        184,200      21,151,927
                                                                 ------------
INTERNET SOFTWARE & SERVICES (17.7%)
    Internet Intitiative Japan, Inc. ADR (DAGGER)     242,900      14,574,000
    Softbank Corp.                                     80,000      19,690,655
    Softbank Corp. New(DAGGER)                        160,000      39,529,360
                                                                 ------------
                                                                   73,794,015
                                                                 ------------
IT CONSULTING & SERVICES (2.8%)
    Fujitsu Support & Service, Inc.                    80,000      11,844,003
                                                                 ------------
MEDIA (1.9%)
    Kadokawa Shoten Publishing Co., Ltd.               48,000       7,772,627
                                                                 ------------
REAL ESTATE (0.5%)
    Goldcrest Co., Ltd.                                   300          32,617
    Relocation Services Corp. (DAGGER)                 44,000       2,178,186
                                                                 ------------
                                                                    2,210,803
                                                                 ------------
SEMICONDUCTOR EQUIPMENT & PRODUCTS (18.6%)
    Disco Corp.                                       145,000      22,943,129
    Tokyo Electronics, Ltd.                           180,000      29,330,563
    Tokyo Seimitsu Co., Ltd.                          240,000      25,094,482
                                                                 ------------
                                                                   77,368,174
                                                                 ------------


                See Accompanying Notes to Financial Statements.


                                        7
<PAGE>


WARBURG PINCUS JAPAN SMALL COMPANY FUND
SCHEDULE OF INVESTMENTS
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------
                                                      NUMBER
                                                        OF
                                                      SHARES        VALUE
                                                    ---------    -----------
SOFTWARE (12.4%)
    Konami Co., Ltd.                                  400,000    $ 24,428,256
    Trend Micro, Inc.(DAGGER)                         180,000      26,982,119
                                                                 ------------
                                                                   51,410,375
                                                                 ------------
SPECIALTY RETAIL (1.6%)
    Jac Co., Ltd.                                      90,700       6,554,610
                                                                 ------------
WIRELESS TELECOMMUNICATIONS SERVICES (6.4%)
    NTT Mobile Communications Network, Inc.             8,000      26,723,032
                                                                 ------------
TOTAL COMMON STOCKS (Cost $228,846,242)                           449,789,367
                                                                 ------------
SHORT TERM INVESTMENTS (0.0%)
    RBB Money Market Portfolio (Cost $1)                    1               1
                                                                 ------------
TOTAL INVESTMENTS (108.2%) (Cost $228,846,243*)                   449,789,368

LIABILITIES IN EXCESS OF OTHER ASSETS (8.2%)                      (33,962,805)
                                                                 ------------
NET ASSETS (100.0%)                                              $415,826,563
                                                                 ============

                            INVESTMENT ABBREVIATIONS
                        ADR = American Depository Receipt
--------------------------------------------------------------------------------
(DAGGER) Non-income producing security.
* Cost for federal income tax purposes is $229,285,518.


                See Accompanying Notes to Financial Statements.


                                       8
<PAGE>


WARBURG PINCUS JAPAN FUNDS
STATEMENTS OF ASSETS AND LIABILITIES
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                JAPAN GROWTH      JAPAN SMALL
                                                                                    FUND          COMPANY FUND
                                                                                ------------      ------------
<S>                                                                             <C>               <C>
ASSETS
  Investments at value (Cost $270,824,078 and
   $228,846,243, respectively)                                                  $446,750,241      $449,789,368
  Foreign currency at value (Cost $11,127 and $29,479 respectively)                   10,859            28,978
  Cash                                                                                     0            15,004
  Receivable for fund shares sold                                                  5,014,323         3,131,952
  Dividends and interest receivable (Cost $717,742 and $739,144 respectively)        703,819           724,853
  Prepaid expenses                                                                   136,621            46,935
  Other assets                                                                            14             1,323
                                                                                ------------      ------------
    Total Assets                                                                 452,615,877       453,738,413
                                                                                ------------      ------------
LIABILITIES
  Advisory fee payable                                                               199,745            30,041
  Administration fee payable                                                          36,939            38,333
  Loan payable                                                                             0        35,241,000
  Due to custodian                                                                   960,300                 0
  Payable for fund shares redeemed                                                     9,735         1,804,029
  Accrued expenses payable                                                           460,111           798,447
                                                                                ------------      ------------
    Total Liabilities                                                              1,666,830        37,911,850
                                                                                ------------      ------------
NET ASSETS
  Capital stock, $0.001 par value                                                     18,865            24,208
  Paid-in capital                                                                218,398,525        35,095,004
  Accumulated net investment loss                                                 (4,533,488)       (6,520,897)
  Accumulated net realized gain from investments and
   foreign currency related transactions                                          61,153,173       166,299,915
  Net unrealized appreciation from investments and foreign
   currency related transactions                                                 175,911,972       220,928,333
                                                                                ------------      ------------
    Net Assets                                                                  $450,949,047      $415,826,563
                                                                                ============      ============
COMMON SHARES
  Net assets                                                                    $445,836,327      $412,293,898
                                                                                ------------      ------------
  Shares outstanding                                                              18,649,572        22,883,111
                                                                                ------------      ------------
  Net asset value, offering price and redemption price per share                $      23.91      $      18.02
                                                                                ============      ============
ADVISOR SHARES
  Net assets                                                                    $  5,112,720      $  3,532,665
                                                                                ------------      ------------
  Shares outstanding                                                                 214,818           195,616
                                                                                ------------      ------------
  Net asset value, offering price and redemption price per share                $      23.80      $      18.06
                                                                                ============      ============
</TABLE>


                See Accompanying Notes to Financial Statements.


                                        9
<PAGE>


WARBURG PINCUS JAPAN FUNDS
STATEMENTS OF OPERATIONS
For the Six Months Ended April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                JAPAN GROWTH       JAPAN SMALL
                                                                                    FUND          COMPANY FUND
                                                                                ------------      -------------
<S>                                                                             <C>               <C>
INVESTMENT INCOME:
    Dividends                                                                   $    891,077      $     957,163
    Interest                                                                         401,172            296,498
    Foreign Taxes Withheld                                                          (133,662)          (143,574)
                                                                                ------------      -------------
      Total investment income                                                      1,158,587          1,110,087
                                                                                ------------      -------------

EXPENSES:
    Investment advisory fees                                                       4,060,309          5,445,117
    Administrative fees                                                              658,029            833,817
    Interest expense                                                               1,351,646          1,275,617
    Shareholder servicing/distribution fees                                          819,704          1,096,843
    Custodian fees                                                                   118,314            156,296
    Registration fees                                                                 70,880             73,513
    Transfer agent fees                                                               68,337            165,488
    Printing fees                                                                     29,996             41,817
    Legal fees                                                                        26,437             30,990
    Audit fees                                                                         7,011              7,158
    Directors fees                                                                     6,709              6,680
    Insurance expense                                                                    459                443
    Miscellaneous expenses                                                             2,386              3,174
                                                                                ------------      -------------
                                                                                   7,220,217          9,136,953
    Less: fees waived, expenses reimbursed and transfer agent offsets             (1,528,142)        (1,505,969)
                                                                                ------------      -------------
      Total expenses                                                               5,692,075          7,630,984
                                                                                ------------      -------------
        Net investment loss                                                       (4,533,488)        (6,520,897)
                                                                                ------------      -------------
REALIZED AND UNREALIZED GAIN FROM
 INVESTMENTS AND FOREIGN CURRENCY TRANSACTIONS
  Net realized gain/(loss) from:
    Security transactions                                                         74,993,565        190,454,364
    Foreign currency forward transactions                                        (14,594,802)       (28,828,151)
    Other foreign exchange translations                                              964,406          2,006,124
                                                                                ------------      -------------
                                                                                  61,363,169        163,632,337
                                                                                ------------      -------------
  Net change in unrealized appreciation/(depreciation) from:
    Investments                                                                  (10,333,128)      (100,196,337)
    Translation of assets and liabilities in foreign currencies                    1,910,269          4,836,816
                                                                                ------------      -------------
                                                                                  (8,422,859)       (95,359,521)
                                                                                ------------      -------------
    Net Gain On Investments And Foreign Currency Transactions                     52,940,310         68,272,816
                                                                                ------------      -------------
    Net Increase In Net Assets Resulting From Operations                        $ 48,406,822      $  61,751,919
                                                                                ============      =============
</TABLE>


                See Accompanying Notes to Financial Statements.


                                        10
<PAGE>

WARBURG PINCUS JAPAN FUNDS
STATEMENTS OF CHANGES IN NET ASSETS

--------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                    JAPAN GROWTH FUND                    JAPAN SMALLCOMPANY FUND
                                            ----------------------------------     -----------------------------------
                                               FOR THE                                 FOR THE
                                              SIX MONTHS           FOR THE            SIX MONTHS           FOR THE
                                                 ENDED            YEAR ENDED            ENDED             YEAR ENDED
                                             APRIL 30, 2000       OCTOBER 31,       APRIL 30, 2000        OCTOBER 31,
                                              (UNAUDITED)            1999             (UNAUDITED)            1998
                                            ---------------    ---------------     -----------------------------------
<S>                                         <C>                  <C>                 <C>                 <C>
FROM OPERATIONS:
  Net investment loss                       $    (4,533,488)   $    (2,173,969)    $    (6,520,897)    $    (3,594,635)
  Net realized gain from security
   transactions                                  74,993,565         15,057,930         190,454,364          52,341,786
  Net realized loss from foreign currency
   forward transactions                         (14,594,802)        (6,310,662)        (28,828,151)         (8,608,986)
  Net realized gain from other foreign
   exchange transactions                            964,406           (793,627)          2,006,124          (4,327,783)
  Net change in unrealized appreciation/
   (depreciation) from:
   Investments                                  (10,333,128)       183,795,600        (100,196,337)        321,598,806
    Translation of assets and liabilities in
     foreign currencies                           1,910,269          2,884,581           4,836,816             263,857
                                            ---------------    ---------------     ---------------     ---------------
  Net increase in net assets
   resulting from operations                     48,406,822        192,459,853          61,751,919         357,673,045
                                            ---------------    ---------------     ---------------     ---------------
FROM DISTRIBUTIONS:
  Distributions from net realized gains
   Common Class shares                           (3,059,783)                 0          (2,245,125)                  0
   Advisor Class shares                             (19,015)                 0             (17,058)                  0
                                            ---------------    ---------------     ---------------     ---------------
  Net decrease in net assets from
   distributions                                 (3,078,798)                 0          (2,262,183)                  0
                                            ---------------    ---------------     ---------------     ---------------
FROM CAPITAL SHARE TRANSACTIONS:
  Proceeds from sale of shares                3,166,965,508      1,406,117,931       1,304,666,728       2,308,528,324
  Reinvestment of distributions                   2,659,719                  0           1,953,420                   0
  Net asset value of shares redeemed,
   net of redemption fees                    (3,292,868,116)    (1,110,254,065)     (1,808,975,280)     (1,844,809,099)
                                            ---------------    ---------------     ---------------     ---------------
    Net increase (decrease) in net assets
     from capital share transactions           (123,242,889)       295,863,866        (502,355,132)        463,719,225
                                            ---------------    ---------------     ---------------     ---------------
    Net increase (decrease) in net assets       (77,914,865)       488,323,719        (442,865,396)        821,392,270
                                            ---------------    ---------------     ---------------     ---------------
NET ASSETS:
  Beginning of period                           528,863,912         40,540,193         858,691,959          37,299,689
                                            ---------------    ---------------     ---------------     ---------------
  End of period                             $   450,949,047    $   528,863,912     $   415,826,563     $   858,691,959
                                            ===============    ===============     ===============     ===============
  Undistributed net investment loss         $    (4,533,488)   $             0     $    (6,520,897)    $             0
                                            ===============    ===============     ===============     ===============
</TABLE>


                See Accompanying Notes to Financial Statements.


                                        11
<PAGE>


WARBURG PINCUS JAPAN GROWTH FUND
FINANCIAL HIGHLIGHTS
(For an Advisor Class share of the Fund Outstanding Throughout Each Period)
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                 FOR THE SIX
                                                 MONTHS ENDED             FOR THE YEAR ENDED OCTOBER 31,
                                                APRIL 30, 2000         -------------------------------------
                                                  (UNAUDITED)           1999       1998      1997     1996**
                                                --------------         ------     ------    ------    ------
<S>                                                 <C>                <C>        <C>       <C>       <C>
PER-SHARE DATA
NET ASSET VALUE, BEGINNING OF PERIOD                $ 24.18            $ 8.71     $ 9.89    $ 9.83    $10.00
                                                    -------            ------     ------    ------    ------
INVESTMENT ACTIVITIES:
    Net investment income (loss)                      (0.23)            (0.06)     (0.11)(a)  0.05     (0.09)
    Net gains (losses) on investments
     and foreign currency related
     items (both realized
     and unrealized)                                  (0.04)            15.53      (1.07)     0.01     (0.08)
                                                    -------            ------     ------    ------    ------
      Total from investment activities                (0.27)            15.47      (1.18)     0.06     (0.17)
                                                    -------            ------     ------    ------    ------
LESS DISTRIBUTIONS:
    Distributions from net
     realized gains                                   (0.11)             0.00       0.00      0.00      0.00
                                                    -------            ------     ------    ------    ------
      Total distributions                             (0.11)             0.00       0.00      0.00      0.00
                                                    -------            ------     ------    ------    ------
NET ASSET VALUE, END OF PERIOD:                     $ 23.80            $24.18     $ 8.71    $ 9.89    $ 9.83
                                                    =======            ======     ======    ======    ======
      Total return                                    (1.17)%(DAGGER)  177.61%    (11.93)%    0.61%    (1.70)%(DAGGER)

RATIOS AND SUPPLEMENTAL DATA:
    Net assets, end of period (000s omitted)        $ 5,113            $3,375     $   22    $   17    $    1
    Ratio of expenses to average net assets @          2.03%*            2.01%      2.00%     2.00%     2.00%*
    Ratio of net loss to average net assets           (1.63)%*          (1.55)%    (1.11)%   (1.42)%   (1.08)%*
    Decrease reflected in above operating
     expense ratios due to waivers/
     reimbursements                                    0.53%*            0.54%      0.58%     7.25%     3.43%*
Portfolio turnover rate                               80.39%           171.12%     75.82%    93.84%    51.72%
--------------------------------------------------------------------------------
<FN>
*   Annualized.
(a) Per share  information is calculated  using the average  shares  outstanding
    method.
@   Interest  earned on uninvested  cash balances is used to offset  portions of
    the transfer agent expense.  These  arrangements  resulted in a reduction to
    the Advisor  Class  shares'  expense  ratio by .03% for the six months ended
    April 30, 2000 and .01%,  .00%,  .00% and .00% for the years ending  October
    31,  1999,  1998,  1997 and for the period  ending 1996,  respectively.  The
    Advisor  Class  shares'  operating  expense  ratios after  reflecting  these
    arrangements  were 2.00% for the six months  ended  April 30, 2000 and 2.00%
    for each of the years ended October 31, 1999,  1998, 1997 and for the period
    ending 1996.
(DAGGER) Non annualized.
**  For the period  December  29,  1995  (commencement  of  operations)  through
    October 31, 1996.
</FN>
</TABLE>


                See Accompanying Notes to Financial Statements.


                                        12
<PAGE>


WARBURG PINCUS JAPAN SMALL COMPANY FUND
FINANCIAL HIGHLIGHTS
(For an Advisor Class share of the Fund Outstanding Throughout Each Period)
--------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                 FOR THE SIX
                                                 MONTHS ENDED                    FOR THE YEAR ENDED OCTOBER 31,
                                                APRIL 30, 2000        ------------------------------------------------
                                                  (UNAUDITED)           1999       1998      1997      1996      1995
                                                --------------        -------     ------    ------    ------    ------
<S>                                                 <C>               <C>         <C>       <C>       <C>       <C>
PER-SHARE DATA
NET ASSET VALUE, BEGINNING OF PERIOD                $18.66            $  5.57     $ 6.37    $ 8.45    $ 9.08    $ 9.85
                                                    ------            -------     ------    ------    ------    ------
INVESTMENT ACTIVITIES:
    Net investment income (loss)                     (0.28)             (0.06)     (0.62)     0.35     (0.13)    (0.02)
    Net gains (losses) on investments
     and foreign currency related
     items (both realized and
     unrealized)                                     (0.48)             13.15      (0.06)    (2.43)    (0.14)    (0.75)
    Net gain due to deferred
     contingent sales charge                          0.21               0.00       0.00      0.00      0.00      0.00
                                                    ------            -------     ------    ------    ------    ------
      Total from investment activities               (0.55)             13.09      (0.68)    (2.08)    (0.27)    (0.77)
                                                    ------            -------     ------    ------    ------    ------

LESS DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment
     income                                           0.00               0.00       0.00      0.00     (0.36)     0.00
    Distributions from net
     realized gains                                  (0.05)              0.00      (0.07)     0.00      0.00      0.00
    Return of capital                                 0.00               0.00      (0.05)     0.00      0.00      0.00
                                                    ------            -------     ------    ------    ------    ------
      Total dividends and
       distributions                                 (0.05)              0.00      (0.12)     0.00     (0.36)     0.00
                                                    ------            -------     ------    ------    ------    ------
NET ASSET VALUE, END OF PERIOD:                     $18.06            $ 18.66     $ 5.57    $ 6.37    $ 8.45    $ 9.08
                                                    ======            =======     ======    ======    ======    ======
      Total return                                   (2.99)%(DAGGER)   235.01%    (10.63)%  (24.62)%   (3.17)%   (7.82)%

RATIOS AND SUPPLEMENTAL DATA:
Net assets, end of period
 (000s omitted)                                     $3,533            $ 3,410     $    1    $    3    $    1    $    1
    Ratio of expenses to average
     net assets                                       2.03%*@            2.01%@     2.01%@    2.00%@    2.01%@    1.31%
    Ratio of net loss to average
     net assets                                      (1.78)%*           (1.53)%    (1.18)%   (1.10)%   (1.57)%    (.19)%
    Decrease reflected in above
     operating expense ratios
     due to waivers/reimbursements                    0.38%*             0.51%     22.81%     6.69%     0.28%     1.83%
Portfolio turnover rate                              28.15%            249.79%    112.68%   100.60%    95.23%    82.98%
--------------------------------------------------------------------------------
<FN>
@   Interest  earned on uninvested  cash balances is used to offset  portions of
    the transfer agent expense.  These  arrangements  resulted in a reduction to
    the Advisor  Class shares'  expenses  ratio by .03% for the six months ended
    April 30, 2000 and .01%,  .01%,  .00% and .01% for the years ending  October
    31,  1999,  1998,  1997 and 1996,  respectively.  TheAdvisor  Class  shares'
    operating expense ratios after reflecting these  arrangements were 2.00% for
    the six months  ended  April 30,  2000 and 2.00% for each of the years ended
    October 31, 1999, 1998, 1997 and 1996.
*   Annualized.
(DAGGER) Non-annualized.
</FN>
</TABLE>

                See Accompanying Notes to Financial Statements.


                                        13
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

1. SIGNIFICANT ACCOUNTING POLICIES

   The Warburg Pincus Japan Growth Fund ("Japan  Growth") and the Warburg Pincus
Japan Small Company Fund ("Japan Small Company"),  each a Maryland  Corporation,
are registered  under the Investment  Company Act of 1940, as amended (the "1940
Act"), as  non-diversified,  open-end management  investment  companies (each, a
"Fund" and collectively, the "Funds").

   Investment  objectives  for each  Fund are as  follows:  Japan  Growth  seeks
long-term  growth of capital and Japan Small  Company  seeks  long-term  capital
appreciation.

   Both Funds  offer two classes of shares,  one class being  referred to as the
Common Class shares and one class being referred to as the Advisor Class shares.
Common  and  Advisor  Class  shares  in each  Fund  represent  an equal pro rata
interest in such Fund,  except that they bear  different  expenses which reflect
the  difference in the range of services  provided to them.  Common Class shares
for both Funds bear  expenses  paid  pursuant  to a  shareholder  servicing  and
distribution  plan adopted by each Fund at an annual rate of .25% of the average
daily net asset value of each Fund's  outstanding  Common Class shares.  Advisor
Class shares for each Fund bear expenses paid  pursuant to a  distribution  plan
adopted by each Fund at an annual rate not to exceed  .75% of the average  daily
net asset value of each Fund's  Advisor Class  shares.  Advisor Class shares are
currently bearing expenses of .50% of average daily net assets.

   The net  asset  value of each  Fund is  determined  daily as of the  close of
regular  trading on the New York Stock  Exchange.  Each Fund's  investments  are
valued at market value,  which is generally  determined  using the last reported
sales price. If no sales are reported,  investments are generally  valued at the
mean between the last reported bid and asked price. If market quotations are not
readily available, securities and other assets are valued by another method that
the Board of Directors believes accurately reflects fair value.

   The  books  and  records  of  the  Funds  are  maintained  in  U.S.  dollars.
Transactions  denominated  in foreign  currencies  are  recorded  at the current
prevailing  exchange rates.  All assets and  liabilities  denominated in foreign
currencies are translated into U.S. dollar amounts at the current  exchange rate
at the end of the period.  Translation gains or losses resulting from changes in
the exchange rate during the reporting  period and realized  gains and losses on
the settlement of foreign  currency transactions are reported in the  results of
operations  for the current  period.  The Funds do not  isolate that  portion of
realized  gains and losses on  investments  in equity securities which


                                        14
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

1. SIGNIFICANT ACCOUNTING POLICIES -- (CONT'D)

is due to changes in the foreign exchange rate from that which is due to changes
in market  prices of  equity  securities.  The Funds  isolate  that  portion  of
realized  gains and losses on  investments  in debt  securities  which is due to
changes in the foreign exchange rate from that which is due to changes in market
prices of debt securities.

   The Funds may invest in securities of foreign countries and governments which
involve  certain  risks in addition to those  inherent in domestic  investments.
Such risks  generally  include,  among others,  currency risk  (fluctuations  in
currency exchange rates), information risk (key information may be inaccurate or
unavailable)  and  political  risk   (expropriation,   nationalization   or  the
imposition of capital or currency  controls or punitive  taxes).  Other risks of
investing in foreign  securities  include  liquidity  and  valuation  risks.  In
addition,  focusing  investments in a single  country,  such as Japan,  involves
increased risks.

   Security  transactions  are  accounted  for on a trade date  basis.  Interest
income  is  recorded  on  the  accrual  basis.  Dividends  are  recorded  on the
ex-dividend  date.  Income,   expenses   (excluding   class-specific   expenses,
principally distribution and shareholder servicing fees) and realized/unrealized
gains/losses  are allocated  proportionately  to each class of shares based upon
the relative net asset value of outstanding shares. The cost of investments sold
is determined by use of the specific  identification  method for both  financial
reporting and income tax purposes.

   Dividends  from net  investment  income  and  distributions  of net  realized
capital  gains,  if any, are declared and paid at least annually for both Funds.
However,  to the extent  that a net  realized  capital  gain can be reduced by a
capital loss carryover,  such gain will not be  distributed.  Income and capital
gain  distributions  are  determined  in  accordance  with  federal  income  tax
regulations which may differ from generally accepted accounting principles.

   No provision  is made for federal  taxes,  as it is each Fund's  intention to
continue  to qualify for and elect the tax  treatment  applicable  to  regulated
investment  companies  under the Internal  Revenue Code of 1986, as amended (the
"Code"), and make the requisite  distributions to its shareholders which will be
sufficient to relieve it from federal income and excise taxes.


                                        15
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

1. SIGNIFICANT ACCOUNTING POLICIES -- (CONT'D)

   Pursuant  to an  exemptive  order  issued  by  the  Securities  and  Exchange
Commission,  each Fund,  along with other Funds  advised by Credit  Suisse Asset
Management, LLC ("CSAM"), can transfer uninvested cash balances to a pooled cash
account,  which is invested in repurchase  agreements secured by U.S. government
securities.  Securities pledged as collateral for repurchase agreements are held
by the  Funds'  custodian  bank  until the  agreements  mature.  Each  agreement
requires that the market value of the collateral be sufficient to cover payments
of interest and principal; however, in the event of default or bankruptcy by the
other party to the  agreement,  retention  of the  collateral  may be subject to
legal  proceedings.  At April 30, 2000 neither  Fund was invested in  repurchase
agreements.

   The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect  the  reported  amounts  of  assets  and  liabilities  at the date of the
financial  statements and the reported  amounts of revenues and expenses  during
the reporting period. Actual results could differ from these estimates.

   The Funds have an  arrangement  with their  transfer  agent whereby  interest
earned  on  uninvested  cash  balances  was used to  offset a  portion  of their
transfer agent expense.

   For the six  months  ended  April 30,  2000,  the Funds  received  credits or
reimbursements under this arrangement as follows:

           FUND                                                   AMOUNT
           ----                                                  --------
           Japan Growth                                          $ 92,371
           Japan Small Company                                    122,346

2. INVESTMENT ADVISER, CO-ADMINISTRATOR AND DISTRIBUTOR

   Pursuant to Investment Advisory Agreements,  CSAM, an indirect,  wholly-owned
subsidiary of Credit Suisse  Group,  serves as investment  advisor for the Funds
described herein.

   For it's investment advisory services, CSAM receives the following fees based
on each Fund's average daily net assets:

           FUND                                          ANNUAL RATE
           ------                              ---------------------------------
           Japan Growth                        1.25% of average daily net assets
           Japan SmallCompany                  1.25% of average daily net assets


                                        16
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

2. INVESTMENT ADVISER, CO-ADMINISTRATORS AND DISTRIBUTOR -- (CONT'D)

   For the six  months  ended  April  30,  2000,  investment  advisory  fees and
voluntary waivers were as follows:

                                     GROSS                           NET
           FUND                   ADVISORY FEE      WAIVER     ADVISORY FEE
           ----                   ------------   -----------   ------------
           Japan Growth            $4,060,309    $(1,528,142)   $2,532,167
           Japan Small Company      5,445,117     (1,505,969)    3,939,148

   Counsellors Funds Service,  Inc. ("CFSI"), a wholly-owned  subsidiary of CSAM
served as  co-administrator  of each Fund until November 1, 1999. On November 1,
1999, Credit Suisse Asset Management  Securities,  Inc. ("CSAMSI") replaced CFSI
as co-administrator to each Fund. PFPC, Inc. ("PFPC"), an indirect subsidiary of
PNC  Financial  Services  Group,  Inc.  ("PNC"),  also  serves  as  each  Fund's
co-administrator.  For its administrative services,  CSAMSI currently receives a
fee  calculated  at an  annual  rate of .10% of each  Fund's  average  daily net
assets.  For the six months ended April 30, 2000,  administrative  services fees
earned by CSAMSI were as follows:

           FUND                                         CO-ADMINISTRATION FEE
           ----                                         ---------------------
           Japan Growth                                       $324,825
           Japan Small Company                                 435,609

   For its administrative  services, PFPC currently receives a fee, exclusive of
out-of-pocket expenses, based on the following fee structure:

           AVERAGE DAILY NET ASSETS                       ANNUAL RATE
           ----------------------               --------------------------------
           First $250 million                   .12% of average daily net assets
           Second $250 million                  .10% of average daily net assets
           Third $250 million                   .08% of average daily net assets
           Over $750 million                    .05% of average daily net assets

   For the six months ended April 30, 2000,  administrative services fees earned
by PFPC (including out of pocket expenses) were as follows:

           FUND                                      CO-ADMINISTRATION FEE
           ----                                      ---------------------
           Japan Growth                                   $333,204
           Japan Small Company                             398,208


                                        17
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

2. INVESTMENT ADVISER, CO-ADMINISTRATORS AND DISTRIBUTOR -- (CONT'D)

   CSAMSI served as  distributor of each Fund's shares until January 1, 2000. On
January  1,  2000,  Provident  Distributors,  Inc.  ("PDI")  replaced  CSAMSI as
distributor to each Fund. No  compensation is payable by any of the Funds to PDI
for distribution services.  Pursuant to a distribution plan adopted by each Fund
pursuant to Rule 12b-1 under the 1940 Act, CSAMSI receives a fee for its selling
services.  This  fee is  calculated  at an  annual  rate of .25% and .50% of the
average  daily net assets of each Fund's  Common Class shares and Advisor  Class
shares,   respectively.   CSAMSI  may  use  this  fee  to   compensate   service
organizations for shareholder servicing and distribution  services.  For the six
months ended April 30, 2000, shareholder servicing and distribution fees were as
follows:

                                            SHAREHOLDER SERVICING/
            FUND                               DISTRIBUTION FEE
            ----                            ----------------------
           Japan Growth
            Common Class shares                    $  804,420
            Advisor Class shares                       15,284
                                                   ----------
                                                   $  819,704
                                                   ==========
           Japan Small Company
            Common Class shares                    $1,081,204
            Advisor Class shares                       15,639
                                                   ----------
                                                   $1,096,843
                                                   ==========

3. LINE OF CREDIT

   The Funds, together with other Funds advised by CSAM, have established a $250
million committed,  unsecured,  line of credit facility ("Credit Facility") with
Deutsche Bank, AG as administrative  agent,  State Street Bank and Trust Company
as operations  agent, Bank of Nova Scotia as syndication agent and certain other
lenders, for temporary or emergency purposes primarily relating to unanticipated
portfolio share redemptions.  Under the terms of the Credit Facility,  the Funds
with access to the Credit Facility pay an aggregate  commitment fee at a rate of
 .075% per annum on the  average  daily  balance of the Credit  Facility  that is
undisbursed  and uncanceled  during the preceding  quarter  allocated  among the
participating  Funds in such manner as is determined by the governing  Boards of
the various Funds.  In addition,  the  participating  Funds will pay interest on
borrowings at the Federal funds rate plus .50%. At April 30, 2000 and during the
six months ended April 30, 2000,  the Funds had the following  borrowings  under
the Credit Facility:


                                        18
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

3. LINE OFCREDIT -- (CONT'D)
                                            AVERAGE    MAXIMUM          LOAN
                             AVERAGE DAILY  INTEREST  DAILY LOAN    OUTSTANDING
           FUND              LOAN BALANCE    RATE %   OUTSTANDING  AT 04/30/2000
           ----              -------------  --------  -----------  -------------
           Japan Growth       $20,242,000    6.405%  $146,214,000   $        --
           Japan Small Company 38,719,797    6.371%   173,637,000    35,241,000

4. INVESTMENTS IN SECURITIES

   For the six months ended April 30, 2000,  purchases  and sales of  investment
securities (excluding short-term investments) were as follows:

           FUND                                        PURCHASES       SALES
           ----                                     ------------   ------------
           Japan Growth                             $523,521,105   $576,284,242
           Japan Small Company                       253,333,408    621,838,590

   At April 30, 2000, the net unrealized appreciation from investments for those
securities  having an excess of value over cost and net unrealized  depreciation
from investments for those securities having an excess of cost over value (based
on cost for federal income tax purposes) was as follows:


                                       UNREALIZED    UNREALIZED   NET UNREALIZED
           FUND                       APPRECIATION  DEPRECIATION   APPRECIATION
           ----                       ------------  ------------   ------------
           Japan Growth               $190,924,160  $(15,086,330)  $175,837,830
           Japan Small Company         249,254,366   (28,751,018)   220,503,850

5. FORWARD FOREIGN CURRENCY CONTRACTS

   Each Fund may enter into forward currency  contracts for the purchase or sale
of a specific  foreign  currency  at a fixed price on a future  date.  Risks may
arise from  movements  in the value of a foreign  currency  relative to the U.S.
dollar and from the potential default of  counterparties to the contracts.  Each
Fund will enter into forward contracts  primarily for hedging purposes.  Forward
currency  contracts are adjusted by the daily  exchange  rate of the  underlying
currency and any gains or losses are recorded for financial  statement  purposes
as  unrealized  until  the  contract  settlement  date or the  date on  which an
offsetting position is entered into.

   At April 30, 2000,  Japan Growth and Japan Small  Company had no open forward
foreign currency contracts.


                                        19
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

6. CAPITAL SHARE TRANSACTIONS

   Both Funds are authorized to issue three billion full and  fractional  shares
of capital stock, $.001 par value per share, of which one billion shares of each
Fund are designated  Common Class shares and two billion shares of each Fund are
designated Advisor Class shares.

   Transactions in classes of each Fund were as follows:


<TABLE>
<CAPTION>
                                                                             JAPAN GROWTH
                                             ---------------------------------------------------------------------
                                                     COMMON CLASS SHARES                ADVISOR CLASS SHARES
                                             -----------------------------------    ------------------------------
                                                 FOR THE                              FOR THE
                                                SIX MONTHS           FOR THE         SIX MONTHS          FOR THE
                                                  ENDED            YEAR ENDED           ENDED          YEAR ENDED
                                              APRIL 30, 2000       OCTOBER 31,      APRIL 30, 2000     OCTOBER 31,
                                               (UNAUDITED)            1999            (UNAUDITED)         1999
                                             ---------------     ---------------    --------------     -----------
<S>                                          <C>                 <C>                <C>                <C>
Shares sold                                      111,543,650          79,744,093         493,069           206,249
Shares issued to shareholders on reinvestment
  of dividends and distributions                      93,241                   0             380                 0
Shares redeemed                                 (114,649,544)        (62,797,016)       (418,205)          (69,146)
                                             ---------------     ---------------    ------------       -----------
Net increase (decrease) in shares outstanding     (3,012,653)         16,947,077          75,244           137,103
                                             ===============     ===============    ============       ===========
Proceeds from sale of shares                 $ 3,152,253,889     $ 1,401,756,841    $ 14,711,619       $ 4,361,090
Reinvestment of dividends and distributions        2,648,972                   0          10,747                 0
Net asset value of shares redeemed            (3,280,362,616)     (1,108,802,345)    (12,505,500)       (1,451,720)
                                             ---------------     ---------------    ------------       -----------
Net increase (decrease) from capital
  share transactions                         $  (125,459,755)    $   292,954,496    $  2,216,866       $ 2,909,370
                                             ===============     ===============    ============       ===========

</TABLE>

<TABLE>
<CAPTION>
                                                                          JAPAN SMALL COMPANY
                                             ---------------------------------------------------------------------
                                                     COMMON CLASS SHARES                  ADVISOR CLASS SHARES
                                             -----------------------------------    ------------------------------
                                                FOR THE                               FOR THE
                                               SIX MONTHS            FOR THE         SIX MONTHS          FOR THE
                                                  ENDED             YEAR ENDED          ENDED           YEAR ENDED
                                              APRIL 30, 2000        OCTOBER 31,    APRIL 30, 2000      OCTOBER 31,
                                               (UNAUDITED)             1999          (UNAUDITED)           1999
                                             ---------------     ---------------    ------------       -----------
<S>                                          <C>                 <C>                <C>                <C>
Shares sold                                       57,428,512         171,281,858         614,256           335,309
Shares issued to shareholders on reinvestment
  of dividends and distributions                      84,866                   0             397                 0
Shares redeemed                                  (80,592,450)       (132,021,198)       (601,720)         (152,747)
                                             ---------------     ---------------    ------------       -----------
Net increase (decrease) in shares outstanding    (23,079,072)         39,260,660          12,933           182,562
                                             ===============     ===============    ============       ===========
Proceeds from sale of shares                 $ 1,291,116,577     $ 2,303,201,289    $ 13,550,151       $ 5,327,035
Reinvestment of dividends and distributions        1,944,289                   0           9,131                 0
Net asset value of shares redeemed,
  net of redemption fees                      (1,795,599,218)     (1,842,311,404)    (13,376,062)       (2,497,695)
                                             ---------------     ---------------    ------------       -----------
Net increase (decrease) from capital
  share transactions                         $  (502,538,352)    $   460,889,885    $    183,220       $ 2,829,340
                                             ===============     ===============    ============       ===========
</TABLE>


                                        20
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

6. CAPITAL SHARE TRANSACTIONS (CONT'D)

   On March 20, 2000,  the Board of Directors of the Warburg Pincus Japan Growth
Fund approved the imposition of a redemption  fee plan,  whereby 2% of the value
of shares  redeemed or exchanged  less than six months from the date of purchase
will be charged to  shareholders.  The Board also  approved a plan  whereby  the
redemption  fee currently  imposed by the Japan Small Company Fund was increased
from 1% to 2%.  These fees apply  only to shares  purchased  on or after May 30,
2000  that  are  held  for  less  than  six  months.  Reinvested  dividends  and
distributions  are not subject to the fee. The fee will be charged  based on the
value of shares at redemption,  and will be paid directly to the Fund and become
part of the Fund's daily net asset value  calculation.  When shares are redeemed
that are subject to the fee,  reinvested  dividends  and  distributions  will be
redeemed first, followed by the shares held longest.


                                        21
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

7. OTHER FINANCIAL HIGHLIGHTS

   Each Fund  currently  offers  one other  class of shares,  the  Common  Class
shares,  representing  equal pro rata  interests  in each  Fund.  The  financial
highlights for an Common Class share of each Fund are as follows:

<TABLE>
<CAPTION>
                                                                                   JAPAN GROWTH
                                                -------------------------------------------------------------------------
                                                 FOR THE SIX
                                                 MONTHS ENDED                      FOR THE YEAR ENDED OCTOBER 31,
                                                APRIL 30, 2000         --------------------------------------------------
                                                 (UNAUDITED)             1999        1998           1997           1996**
                                                --------------         --------     -------        -------        -------
<S>                                                <C>                 <C>          <C>            <C>            <C>
PER-SHARE DATA
    Net asset value, beginning of period           $  24.26            $   8.59     $  9.74        $  9.85        $ 10.00
                                                   --------            --------     -------        -------        -------
INVESTMENT ACTIVITIES:
    Net investment loss                               (0.24)              (0.10)      (0.07)(a)      (0.07)         (0.06)
    Net gains (losses) on investments
     and foreign currency related
     items (both realized and unrealized)              0.00               15.77       (1.08)          0.21          (0.09)
                                                   --------            --------     -------        -------        -------
      Total from investment activities                (0.24)              15.67       (1.15)          0.14          (0.15)
                                                   --------            --------     -------        -------        -------
LESS DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net investment income               0.00                0.00        0.00          (0.20)          0.00
    Distributions from net realized gains             (0.11)               0.00        0.00           0.00           0.00
    Distributions in excess of net
     realized gains                                    0.00                0.00        0.00          (0.05)          0.00
                                                   --------            --------     -------        -------        -------
      Total dividends and distributions               (0.11)               0.00        0.00          (0.25)          0.00
                                                   --------            --------     -------        -------        -------
NET ASSET VALUE, END OF PERIOD                     $  23.91            $  24.26     $  8.59        $  9.74        $  9.85
                                                   ========            ========     =======        =======        =======
      Total return                                    (1.04)%(DAGGER)    182.42%     (11.81)%         1.47%         (1.50)%(DAGGER)

RATIOS AND SUPPLEMENTAL DATA
Net assets, end of period (000s omitted)           $445,836            $525,489     $40,519        $24,954        $20,157
    Ratio of expenses to average net assets @          1.78%*              1.76%       1.75%          1.75%          1.76%*
    Ratio of net investment loss to average
     net assets                                       (1.39)%*            (1.32)%      (.76)%        (1.03)%        (1.03)%*
    Decrease reflected in above operating
     expense ratios due to waivers/
     reimbursements                                    0.47%*              0.45%       0.53%          0.81%          1.79%*
Portfolio turnover rate                               80.39%             171.12%      75.82%         93.84%         51.72%

--------------------------------------------------------------------------------
<FN>
*   Annualized.
(a) Per share  information is calculated  using the average  shares  outstanding
    method.
@   Interest  earned on uninvested  cash balances is used to offset  portions of
    the transfer agent expense.  These  arrangements  resulted in a reduction to
    the Common  Class  shares'  expense  ratio by .03% for the six months  ended
    April 30, 2000 and .01%,  .00%,  .00%, and .01% for the years ending October
    31,  1999,  1998,  1997 and for the period  ending 1996,  respectively.  The
    Common  Class  shares'  operating  expense  ratios  after  reflecting  these
    arrangements  were 1.75% for the six months  ended  April 30, 2000 and 1.75%
    for each of the years ended October 31, 1999,  1998, 1997 and for the period
    ending 1996.
(DAGGER) Non-annualized.
**  For the period  December  29,  1995  (commencement  of  operations)  through
    October 31, 1996.
</FN>
</TABLE>


                                        22
<PAGE>


WARBURG PINCUS JAPAN FUNDS
NOTES TO FINANCIAL STATEMENTS (CONT'D)
April 30, 2000 (Unaudited)
--------------------------------------------------------------------------------

7. OTHER FINANCIAL HIGHLIGHTS -- (CONT'D)
<TABLE>
<CAPTION>
                                                                                JAPAN SMALL COMPANY
                                                -----------------------------------------------------------------------------------
                                                 FOR THE SIX
                                                 MONTHS ENDED                           FOR THE YEAR ENDED OCTOBER 31,
                                                APRIL 30, 2000         ----------------------------------------------------------
                                                  (UNAUDITED)            1999         1998         1997      1996           1995
                                                --------------         --------     -------      -------    -------      --------
<S>                                                <C>                 <C>          <C>          <C>       <C>           <C>
PER-SHARE DATA
    Net asset value,
     beginning of period                           $  18.61            $   5.57     $  6.37      $  8.47   $   9.09      $   9.85
                                                   --------            --------     -------      -------   --------      --------
INVESTMENT ACTIVITIES:
    Net investment loss                               (0.28)              (0.08)      (0.01)       (1.22)     (0.23)         0.00
    Net gains (losses) on
     investments and foreign
     currency related items
     (both realized and unrealized)                   (0.48)              13.12       (0.67)       (0.79)     (0.01)        (0.76)
    Net gain due to deferred
     contingent sales charge                           0.22                0.00        0.00         0.00       0.00          0.00
                                                   --------            --------     -------      -------   --------      --------
      Total from investment
       activities                                     (0.54)              13.04       (0.68)       (2.01)     (0.24)        (0.76)
                                                   --------            --------     -------      -------   --------      --------
LESS DIVIDENDS AND DISTRIBUTIONS:
    Dividends from net
     investment income                                 0.00                0.00        0.00         0.00      (0.38)         0.00
    Distributions from net
     realized gains                                   (0.05)               0.00       (0.07)       (0.09)      0.00          0.00
    Return of capital                                  0.00                0.00       (0.05)        0.00       0.00          0.00
                                                   --------            --------     -------      -------   --------      --------
      Total dividends and
       distributions                                  (0.05)               0.00       (0.12)       (0.09)     (0.38)         0.00
                                                   --------            --------     -------      -------   --------      --------
NET ASSET VALUE, END OF PERIOD                     $  18.02            $  18.61     $  5.57      $  6.37   $   8.47      $   9.09
                                                   ========            ========     =======      =======   ========      ========
      Total return                                    (2.96)%(DAGGER)    234.11%     (10.61)%     (23.98)%    (2.79)%       (7.72)%

RATIOS AND SUPPLEMENTAL DATA
Net assets, end of period
(000s omitted)                                     $412,294            $855,282     $37,299      $41,627   $154,460      $178,568
    Ratio of expenses to
     average net assets                                1.78%*@             1.76%@      1.75%@       1.76%@     1.76%@        1.41%
    Ratio of net investment loss
     to average net assets                            (1.49)%*            (1.25)%     (0.84)%      (1.10)%    (1.22)%       (0.15)%
    Decrease reflected in above
     operating expense ratios
     due to waivers/reimbursements                     0.35%*              0.43%       0.81%        0.51%      0.29%         1.35%
Portfolio turnover rate                               28.15%             249.79%     112.68%      100.60%     95.23%        82.98%
--------------------------------------------------------------------------------
<FN>
@   Interest  earned on uninvested  cash balances is used to offset  portions of
    the transfer agent expense.  These  arrangements  resulted in a reduction to
    the Common  Class  shares'  expense  ratio by .03% for the six months  ended
    April 30, 2000 and .01%,  .00%,  .01% and .01% for the years ending  October
    31,  1999,  1998,  1997 and 1996,  respectively.  The Common  Class  shares'
    operating expense ratios after reflecting these  arrangements were 1.75% for
    the six months ended April 30, 2000 and for each of the years ended  October
    31, 1999, 1998, 1997 and 1996.
*   Annualized.
(DAGGER) Non-annualized.
</FN>
</TABLE>


                                        23
<PAGE>


                       This page intentionally left blank

<PAGE>

                                 WARBURG PINCUS
                                 ADVISOR FUNDS

                                    PROVIDENT
                               DISTRIBUTORS, INC.,
                                   DISTRIBUTOR

Provident Distributors, Inc., Distributor, located at Four Falls Corporate
Center, 6th Floor, West Conshohocken, PA 19428-2961 is not affiliated with
Credit Suisse Asset Management, LLC. Warburg Pincus Advisor Funds are Advised by
Credit Suisse Asset Management LLC.

                                [GRAPHIC OMITTED]
                              WARBURG PINCUS FUNDS
                     PART OF CREDIT SUISSE ASSET MANAGEMENT

                                                                    ADJPN-3-0400


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