EATON VANCE GROWTH TRUST
N-30D, 1997-11-21
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<PAGE>
 

[LOGO OF EATON VANCE APPEARS HERE]

                                                   [PHOTO OF EARTH APPEARS HERE]




     Annual Report August 31, 1997


[PHOTO OF SATELLITE APPEARS HERE]


                                  EATON VANCE

                                   MARATHON

                                  INFORMATION

                                   AGE FUND


                     Global Management-Global Distribution



[PHOTO OF BABY APPEARS HERE]
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997

Letter to Shareholders


[PHOTO OMITTED]
James B. Hawkes, 
President

EV Marathon Information Age Fund had a total return of 20.8% for the year ended
August 31, 1997. That return was the result of a rise in net asset value per
share from $11.04 on August 31, 1996 to $12.31 on August 31, 1997, and the
reinvestment of $1.042 in capital gains distributions.1 By comparison, the
S&P 500 Index - a widely recognized, unmanaged index of U.S. common stocks - had
a total return of 40.7% for the same period, while the Morgan Stanley Capital
International Europe, Australasia, and Far East Index - an index composed of
global common stocks - had a return of 9.4%./2/

In a volatile market environment, information age companies sustained strong
earnings growth...

The past year featured an unusually volatile stock market environment. For much
of the year, the advance in the broad stock market was liquidity-driven and led
by large cap, blue chip issues. However, as the year progressed, many of these
consumer-related stocks became significantly overpriced and have since retreated
from those levels. While the information age stocks mirrored the volatility
of the broader market, the companies continued their positive earnings uptrend.

Change is coming rapidly to information age companies...

The past year has seen the pace of change quicken for information age companies.
In the telecom industry, deregulation brought about by the Telecommunications
Act of 1996 has completely transformed an industry once dominated by local
monopolies. Meanwhile, in the media sector, the broadcast industry has been
energized by a wave of mergers that has sharply increased the size of the
listening and viewing audience for major broadcast companies. Finally,
technology-based companies continued to refine new applications that will bring
diverse information industries closer together.

Information age companies continue to offer prime growth opportunities...

Despite the volatility of the markets, the trends we've noted above contributed
to an excellent climate for information age companies during the past year. We
believe these companies offer outstanding long-term opportunities. In the
following pages, portfolio managers Duncan Richardson and Jacob Rees-Mogg review
the past year and comment on their outlook for the year ahead.


                             Sincerely,


                             /s/ James B. Hawkes
  
                             James B. Hawkes
                             President
                             October 9, 1997



- --------------------------------------------------------------------------------
Fund Information
as of August 31, 1997


Performance/3/
- --------------------------------------------------------------------------------

Average Annual Total Returns (at net asset value)
- --------------------------------------------------------------------------------
One year                                                                 20.8%
Life of Fund (9/18/95)                                                   15.9


SEC Average Annual Total Returns (including applicable CDSC)
- --------------------------------------------------------------------------------
One year                                                                 15.8%
Life of Fund (9/18/95)                                                   13.7



Ten Largest Holdings/4/ By total net assets
- --------------------------------------------------------------------------------
Pearson PLC                                                               2.4%
Telecom Italia SPA                                                        2.4
Westinghouse Electric Corp.                                               2.3
Electric & Eltek International                                            2.0
Reuters Holdings PLC                                                      2.0
Oracle Corp.                                                              1.9
Philips Electronics NV                                                    1.9
McGraw-Hill Companies Inc.                                                1.8
Thermo Electron Corp.                                                     1.7
Roland                                                                    1.7


/1/ This return does not reflect the Fund's applicable contingent deferred sales
charge (CDSC).

/2/ It is not possible to invest directly in the Indices.

/3/ Average annual total returns are calculated by determining the percentage
    change in net asset value with all distributions reinvested. SEC returns
    reflect applicable CDSC on the following schedule: 5% - 1st year; 5% - 2nd
    year; 4% -3rd year; 3% - 4th year; 2% - 5th year; 1% - 6th year.

/4/ Ten largest holdings account for 20.1% of the Portfolio's investments,
    determined by dividing the total market value of the holdings by the total
    net assets of the Portfolio. Holdings are subject to change.

    Past performance is no guarantee of future results. Investment return and
    principal value will fluctuate so that shares, when redeemed, may be worth
    more or less than their original cost.

- --------------------------------------------------------------------------------
Mutual fund shares are not insured by the FDIC and are not deposits or other
obligations of, or guaranteed by, any depository institution. Shares are subject
to investment risks, including possible loss of principal invested.
- --------------------------------------------------------------------------------

                                       2
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997

Management Discussion


[PHOTO OMITTED]
Duncan Richardson,
Co-Portfolio Manager

[PHOTO OMITTED]
Hon. Jacob Rees-Mogg,
Co-Portfolio Manager


An interview with Duncan Richardson and Hon. Jacob Rees-Mogg, co-portfolio
managers of Information Age Portfolio.

Q: Duncan, how would you characterize the U.S. market during the past year?

A: Mr. Richardson: The broad market displayed significant volatility during the
   year, and that volatility was mirrored in the information age stocks. The
   market saw a fair amount of sector rotation, with market leadership shifting
   frequently between industry groups. While large-cap stocks paced the market
   for most of the year, in recent months, smaller stocks have come into favor.
   In that kind of fluid environment, the Fund's relatively broad charter was a
   distinct benefit, as it allowed us to move among the various information
   sectors.

Q: Jacob, what was your view of the markets from London?

A: Mr. Rees-Mogg: The past year was a most interesting period for the global
   media, telecom, and technology stocks, with widely varying performance among
   the regional markets. For example, while Japan remained mired in an economic
   downturn, the European markets were quite robust. Economic conditions in
   Europe have slowly begun to gather steam. Long-term interest rates have
   converged in the expectation that European Monetary Union will occur on
   schedule.

   The U.K. has also fared quite well despite a political shift to the left,
   somewhat higher interest rates, and a surge in the pound relative to other
   European currencies. The Far East, which has turned in such strong
   performances in recent years, proved a major disappointment in the past year.
   Thailand and Malaysia have been caught in the throes of currency turmoil and
   questions over the credibility of their economic and political leadership.
   Hong Kong was a notable exception for most of the period. The turnover of the
   former colony to Chinese jurisdiction received a warm reception from
   investors. More recently, Hong Kong has been visited by that same volatility.

Q: How have you positioned the Fund in recent months?

A: Mr. Richardson: We've maintained a roughly 50/50 mix between U.S. and foreign
   companies, while also maintaining a good diversification among information
   industries. That diversification, as well as the broad range of our charter,
   has helped us avoid much of the volatility that has characterized the markets
   both here and abroad.

   From a sector standpoint, media-related stocks

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


Five Largest Industry Positions1
- --------------------------------------------------------------------------------
By total net assets

Electronics                                                               18.0%
Communications Services                                                   16.0%
Broadcasting                                                              13.2%
Computer Software                                                         12.1%
Information Services                                                       9.0%

Regional Distribution/1/
- --------------------------------------------------------------------------------
By total net assets

U.S.                                                                     52.3%
Europe                                                                   12.7%
U.K.                                                                     12.3%
East Asia                                                                12.2%
Other                                                                     7.8%
Australasia                                                               2.7%

/1/ Because the Fund is actively managed, sector weightings and regional
    distributions are subject to change.

                                       3
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997

MANAGEMENT DISCUSSION CONT'D

[GRAPHIC APPEARS HERE]
- --------------------------------------------------------------------------------
The Future of Mobile Telephony: The U.S. is now the largest market for mobile
phones - with 33 million subscribers. It is estimated that by the end of the
century, there will be more than 350 million subscribers worldwide, with the
fastest rate of growth in Asia.

Source: L.M. Ericsson
- --------------------------------------------------------------------------------

   have played a large role in the Portfolio. The period saw a good deal of
   merger activity, especially among broadcasters and entertainment companies.
   As a result, the Portfolio's radio and television holdings fared very well.
   Elsewhere in the media area, we shifted some assets into cable television
   investments. The cable group has underperformed for several years running,
   but more recently, industry fundamentals have improved significantly.

Q: Have media stocks been a focus of the non-U.S. portion of the Portfolio as
   well?

A: Mr. Rees-Mogg: Yes. The fundamentals of global companies are equally as
   compelling. Large media companies like Pearson PLC have gained market share
   through acquisitions and now offer advertisers the ability to reach a massive
   audience. Another holding, News Corp., is the largest newspaper company in
   the world, in addition to owning the Fox network in the U.S., BSkyB
   Broadcasting in the U.K., and a wide variety of entertainment and sports
   properties. The company is unmatched in its ability to span the globe through
   a variety of distribution channels. In the entertainment sector, the
   Portfolio has an investment in the Dutch conglomerate Philips Electronics.
   Philips has developed into a powerful "content" company and capitalized on
   the value of its vast music library.

Q: The telecommunications sector has frequently been in the news. What areas of
   that industry have you found attractive?

A: Mr. Richardson: In the U.S. portion of the Portfolio, we've favored the phone
   equipment companies, which have continued to enjoy strong sales growth. For
   much of the period, we generally underweighted the telecom service providers,
   which are battling over access to each other's markets. Following the 1996
   deregulation of the phone industry, the intended result was to unleash
   competition among service companies. Up to this point, it has mostly created
   uncertainty among the companies and investors, while it is hard to discern
   which companies will be the winners in the long run. Recently, we've added to
   our phone service holdings. Companies such as Ameritech and Bell South have
   continued to see strong growth in lines as they offer additional higher-
   margin services. While they are subject to inroads by competitors, they
   should be able to defend their franchises, and we view their valuations as
   attractive.


Q: Are the same dynamics at work in the telecom companies overseas?

A: Mr. Rees-Mogg: Yes. The telecom sector witnessed a number of events that
   raised investor interest. First, the World Trade Organization talks generated
   further proposals to open up global phone markets. Next, U.S. regulators
   urged the lowering of international rates, a move that should make the
   telecom markets in emerging countries increasingly competitive. Finally, the
   global telecom sector was characterized by merger activity as companies
   sought to expand their global market presence. There is a growing perception
   among these companies that, to be truly successful, they will need a global
   reach.

   Moreover, the outlook for the telecom stocks is very good, as the companies
   are coming to terms with new pricing schemes. Due to the companies' excellent
   cash flows, the stocks should stand up well in increasingly volatile markets.
   One of our holdings in Europe, Telecom Italia, recently agreed to a share-

                                       4
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997

MANAGEMENT DISCUSSION CONT'D


   exchange with AT&T. The crossholding should help cement the AT&T foothold in
   Europe while giving Telecom Italia access to AT&T's leading technologies.


Q: Let's turn to the technology sector. What have you found attractive there?

A: Mr. Richardson: Technology has remained a fairly volatile area. The Fund was
   underexposed to technology stocks in the first quarter of 1997, when the
   sector did quite poorly. As the group bottomed in April, we added to our
   positions in some of the larger companies. Those included Intel, the world's
   leading semiconductor manufacturer, and Oracle Corp., the world's largest
   producer of database software.

   We also had investments in companies that are making novel uses of
   technology. Those included financial services companies such as Charles
   Schwab & Co., Inc. and Raymond James Financial Corp. These firms are
   pioneering the linkage of technology and personal finance. Their use of
   technology and media is helping these companies rapidly grow their
   businesses.

Q: How did the global technology sector fare during the period?

A: Mr. Rees-Mogg: Global technology companies continued to post strong growth,
   with the exception of semiconductor companies, which felt some pricing
   restraints. It paid, therefore, to be selective. Technology stocks continued
   to be driven largely by U.S. demand. Given the strength of the U.S.economy,
   the outlook remains fairly bright.

   Among our global technology stocks were Hitachi Ltd., a Japanese manufacturer
   of electronics equipment. Another holding, Misys, PLC, is a U.K.-based
   software company. The company has a range of products that help businesses
   run their offices. Interestingly, Misys recently bought a holding in the U.S.
   portion of the Portfolio, U.S.-based Medic Computer Systems, Inc., which
   makes office management software for physicians. Misys apparently agreed with
   Duncan's assessment that Medic Computer was undervalued. The purchase should
   provide Misys a good foothold in America for further growth.

Q: Have internet-related stocks played a part in your strategy?

A: Mr. Richardson: Clearly, the growth of internet usage has been enormous, and
   has drawn great interest to internet stocks. Many of these companies
   represent interesting concepts that we monitor closely. However, we generally
   restrict our investments in that area to companies that have proven business
   models. Companies that are mere concepts simply don't make the cut.

   We did participate in several internet-related public offerings in the past
   year, including E*Trade and Ameritrade. Both of these companies offer
   investors the opportunity to trade securities on the internet at a major
   discount from regular brokerage commissions. They also provide investors a
   data base from which they can gather investment research. The growth of these
   businesses on the internet has been staggering and may provide a glimpse into
   the future of internet commerce. Another internet-related holding, Worldcom,
   Inc., started out with a focus on fiber optics and long-distance phone
   service, but became an aggressive provider of internet access with its
   acquisition of MFS Communications.

Q: Jacob, what do you look for among global information companies?

A: Mr. Rees-Mogg: We focus on companies that can provide value-added services
   and products. As Duncan indicated, the internet has increased the volume and
   accessibility of information, in voice, data and video form. Global companies
   that can fill the communications needs in those areas will enjoy a tremendous
   advantage.

   Reuters Holdings, PLC, for example, is an established U.K.-based company that
   is using new technologies to provide key financial information and data to
   the financial services industry. Because this data is time-sensitive and very
   critical for decision-makers in financial markets, there is a high degree of
   value-added in Reuters products. That value-added quality makes the company
   compelling as a growth opportunity.

                                       5
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997

MANAGEMENT DISCUSSION CONT'D


Q: What is your outlook for the coming year for information-based companies?

A: Mr. Rees-Mogg: We've seen an increasing realization that the information
   business is truly global in nature, whether in telecom, media, or technology.
   As a result, companies are making commitments overseas to expand their reach
   and explore new markets. That is true in the telecom business and the media
   sector. In such an environment, we believe the Information Age Portfolio is
   quite well situated, especially given the global nature of our research
   capabilities. With the pace of change as rapid as it is, we have the distinct
   advantage of being able to closely monitor companies, whether they are in the
   U.S., Europe, or Asia.

A: Mr. Richardson: Another trend that has become apparent in the past year is
   the consolidation of previously fragmented industries into an assemblage of
   larger players. As I indicated earlier, that was especially true this year in
   the broadcasting and financial services sectors. This convergence of
   information age industries allows companies to leverage their strengths and
   make inroads in other markets.

   For example, earlier in the year, Microsoft made an investment in Web TV, and
   another in Comcast Corp., a major cable operator. Clearly, each of those
   investments is somewhat far afield of Microsoft's core business of system
   software. But each represents the trend of technology, media, and broadcast
   companies trying to forge new alliances and explore new business
   opportunities. We expect that activity to continue. While it adds to the
   unpredictability of the industry, it also increases the opportunities for
   growth. We hope to continue the Portfolio's participation in that growth.

- --------------------------------------------------------------------------------
                             [LINE CHART APPEARS HERE]

EV Marathon Information Age Fund 
Comparison of Change in Value of a $10,000 investment in the Fund vs. the S&P 
500, and Europe, Australia & Far East Indexes*
September 30, 1995 through August 31, 1997

<TABLE> 
<CAPTION> 

   Date       Fund/NAV        Fund/CDSC          S&P 500        EAFE INDEX
<S>           <C>             <C>                <C>             <C> 
 9/30/95       $10,000                -          $10,000         $10,000
10/31/95       $10,128                -           $9,950          $9,734
11/30/95       $10,226                -          $10,359         $10,007
12/31/95       $10,285                -          $10,600         $10,413
 1/31/96       $10,315                -          $10,946         $10,458
 2/28/96       $10,541                -          $11,022         $10,496
 3/31/96       $10,571                -          $11,168         $10,722
 4/30/96       $11,112                -          $11,318         $11,036
 5/31/96       $11,329                -          $11,577         $10,836
 6/30/96       $11,161                -          $11,668         $10,899
 7/31/96       $10,482                -          $11,135         $10,583
 8/31/96       $10,866                -          $11,344         $10,609
 9/30/96       $11,516                -          $12,027         $10,894
10/31/96       $11,289                -          $12,341         $10,785
11/30/96       $11,811                -          $13,246         $11,217
12/31/96       $11,685                -          $13,028         $11,075
 1/31/97       $11,892                -          $13,826         $10,690
 2/28/97       $11,902                -          $13,908         $10,868
 3/31/97       $11,478                -          $13,379         $10,910
 4/30/97       $11,567                -          $14,160         $10,970
 5/31/97       $12,513                -          $14,990         $11,687
 6/30/97       $12,966                -          $15,710         $12,334
 7/31/97       $13,587                -          $16,937         $12,536
 8/31/97       $13,126          $12,626          $15,964         $11,602
</TABLE> 


Performance+
- --------------------------------------------------------------------------------
<TABLE> 
<CAPTION> 
Average Annual Total Returns (At Net Asset Value)
- --------------------------------------------------------------------------------
<S>                                                                    <C> 
One year                                                                  20.8%
Life of Fund                                                              15.9
Value at 8/31/97                                                       $13,126


SEC Average Annual Total Returns (Including Applicable CDSC)
- --------------------------------------------------------------------------------
One year                                                                  15.8%
Life of Fund                                                              13.7
Value at 8/31/97                                                       $12,626
</TABLE> 

* Source: Towers Data Systems, Bethesda, MD. Investment operations commenced
  9/18/95. Index information is available only at month-end; therefore, the
  line comparison begins at the next month-end following the commencement of the
  Fund's investment operations. Past performance is no guarantee of future
  results. Investment return and principal value will fluctuate so that shares,
  when redeemed, may be worth more or less their original cost.


  The performance chart above compares the Fund's total return with that of a
  broad-based securities market index. Returns are calculated by determining the
  percentage change in net asset value (NAV) with all distributions reinvested.
  The lines on the chart represent the total returns of $10,000 hypothetical
  investments in the Fund, the S&P 500 Index - a broad-based, widely recognized
  index of 500 common stocks traded in the U.S. - and the Morgan Stanley Capital
  International Europe, Australasia, and Far East Index (EAFE) - a broad-based
  index of common stocks traded in foreign markets. The Indices' total returns
  do not reflect any commissions or expenses that would have been incurred if an
  investor individually purchased or sold the securities represented in the
  Indices. It is not possible to invest directly in an index.
**This figure represents the Fund's performance including the Fund's applicable
  contingent deferred sales charge (CDSC) deducted at redemption as follows: 
  5% - 1st and 2nd years; 4% - 3rd year; 3% - 4th year; 2% - 5th year; and 
  1% - 6th year. 
+ Returns are calculated by determining the percentage change in net
  asset value (NAV) with all distributions reinvested. SEC returns reflect
  applicable contingent deferred sales charge (CDSC).

                                       6
<PAGE>
 
EV Marathon Information Age Fund  as of August 31, 1997

FINANCIAL STATEMENTS

Statement of Assets and Liabilities                             

<TABLE> 
<CAPTION> 

As of August 31, 1997
<S>                                                                <C> 
Assets
- --------------------------------------------------------------------------------
Investment in Information Age Portfolio, at value (Note 1A)   
     (identified cost, $24,957,199)                                $ 28,546,753

Receivable for Fund shares sold                                         498,197
Tax reclaim receivable                                                   16,166
Deferred organization expenses (Note 1D)                                 27,166
- --------------------------------------------------------------------------------
Total assets                                                       $ 29,088,282
- --------------------------------------------------------------------------------


Liabilities
- --------------------------------------------------------------------------------
Payable for Fund shares redeemed                                             46
Payable to affiliate for Trustees' fees                                      27
Accrued expenses                                                         51,391
- --------------------------------------------------------------------------------
Total liabilities                                                  $     51,464
- --------------------------------------------------------------------------------

Net Assets for 2,358,033 shares of
     beneficial interest outstanding                               $ 29,036,818
- --------------------------------------------------------------------------------


Sources of Net Assets
- --------------------------------------------------------------------------------
Paid-in capital                                                    $ 25,377,591
Accumulated undistributed net realized gain on investments 
    from Portfolio (computed on basis of identified cost)                 69,673
Net unrealized appreciation of investments from Portfolio     
    (computed on basis of identified cost)                            3,589,554
- --------------------------------------------------------------------------------
Total                                                              $ 29,036,818
- --------------------------------------------------------------------------------


Net Asset Value, Offering and Redemption
Price Per Share (Note 6)
- --------------------------------------------------------------------------------
($29,036,818 / 2,358,033 shares of
     beneficial interest outstanding)                              $      12.31
- --------------------------------------------------------------------------------

<CAPTION> 

Statement of Operations

For the Year Ended
August 31, 1997

<S>                                                                <C> 
Investment Income (Note 1B)
- --------------------------------------------------------------------------------
Dividend income allocated from Portfolio
    (net of foreign taxes, $34,034)                                $    346,951
Interest income allocated from Portfolio                                 43,261
Expenses allocated from Portfolio                                      (379,848)
- --------------------------------------------------------------------------------
Net investment income from Portfolio                                $     10,364
- --------------------------------------------------------------------------------


Expenses
- --------------------------------------------------------------------------------
Management fee (Note 3)                                            $     64,015
Compensation of Trustees not members of the
    Administrator's organization (Note 3)                                   258
Distribution fees (Note 5)                                              242,459
Transfer and dividend disbursing agent fees                              36,733
Printing and postage                                                     25,625
Registration fees                                                        18,691
Legal and accounting services                                            17,067
Amortization of organization expenses (Note 1D)                           9,366
Custodian fee                                                             4,831
Miscellaneous                                                            19,093
- --------------------------------------------------------------------------------
Total expenses                                                     $    438,138
- --------------------------------------------------------------------------------


Net investment loss                                                $   (427,774)
- --------------------------------------------------------------------------------


Realized and Unrealized
Gain (Loss) from Portfolio
- --------------------------------------------------------------------------------
Net realized gain (loss) --
    Investment transactions (identified cost basis)                $  2,903,668
    Foreign currency transactions                                       (11,648)
- --------------------------------------------------------------------------------
Net realized gain on investments                                   $  2,892,020
- --------------------------------------------------------------------------------
Change in unrealized appreciation (depreciation) --
    Investment transactions                                        $  2,299,138
    Foreign currency transactions                                           720
- --------------------------------------------------------------------------------
Net change in unrealized appreciation (depreciation)               
of investments                                                     $  2,299,858
- --------------------------------------------------------------------------------

Net realized and unrealized gain on investments                    $  5,191,878
- --------------------------------------------------------------------------------

Net increase in net assets resulting from operations               $  4,764,104
- --------------------------------------------------------------------------------
</TABLE> 

                       See notes to financial statements

                                       7
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997 

FINANCIAL STATEMENTS CONT'D 

Statements of Changes in Net Assets

<TABLE> 
<CAPTION> 

Increase (Decrease)                                     Year Ended            Year Ended
in Net Assets                                           August 31, 1997       August 31, 1996*
- --------------------------------------------------------------------------------------------------
<S>                                                        <C>                   <C> 
From operations --                                                       
    Net investment loss                                    $   (427,774)         $   (186,468)
    Net realized gain (loss) on investments                   2,892,020              (113,052)
    Net change in unrealized                                             
        appreciation (depreciation) of                                   
        investments                                           2,299,858             1,289,696
- ----------------------------------------------------------------------------------------------
Net increase in net assets resulting                                     
        from operations                                    $  4,764,104          $    990,176
- ----------------------------------------------------------------------------------------------
Distributions to shareholders (Note 2) --                                
    From net realized gain on investments                  $ (2,278,431)                   --
- ----------------------------------------------------------------------------------------------
Total distributions to shareholders                        $ (2,278,431)                   --
- ----------------------------------------------------------------------------------------------
Transactions in shares of beneficial interest (Note 4) --                                                              
    Proceeds from sale of shares                           $  8,573,846          $ 24,825,891
    Net asset value of shares issued to 
        shareholders in payment of                                         
        distributions declared                                2,073,164                    --            
    Cost of shares redeemed                                  (5,896,343)           (4,015,589)
- ----------------------------------------------------------------------------------------------
Net increase in net assets from Fund 
    share transactions                                     $  4,750,667          $ 20,810,302
- ----------------------------------------------------------------------------------------------

Net increase in net assets                                 $  7,236,340          $ 21,800,478
- ----------------------------------------------------------------------------------------------


Net Assets                                                               
- ----------------------------------------------------------------------------------------------
At beginning of year                                       $ 21,800,478                    --
- ----------------------------------------------------------------------------------------------
At end of year                                             $ 29,036,818          $ 21,800,478
- ----------------------------------------------------------------------------------------------


Accumulated 
undistributed                                                
net investment loss                                                      
included in net assets                                                   
- ----------------------------------------------------------------------------------------------
At end of year                                             $         --          $     (6,108)
- ----------------------------------------------------------------------------------------------
</TABLE> 

* For the period from the start of business, September 18, 1995, to August 31,
  1996.


                      See notes to financial statements

                                       8
<PAGE>
 
 
EV Marathon Information Age Fund as of August 31, 1997 

FINANCIAL STATEMENTS CONT'D 

Financial Highlights

<TABLE> 
<CAPTION> 
                                                       Year Ended August 31,
                                                 -------------------------------
                                                       1997           1996*++
- --------------------------------------------------------------------------------
<S>                                                 <C>               <C> 
Net asset value -- Beginning of year                $ 11.040          $10.000
- --------------------------------------------------------------------------------


Income (loss) from operations
- --------------------------------------------------------------------------------
Net investment loss                                 $ (0.178)         $(0.134)
Net realized and unrealized gain on investments        2.490            1.174
- --------------------------------------------------------------------------------
Total income from operations                        $  2.312          $ 1.040
- --------------------------------------------------------------------------------


Less distributions
- --------------------------------------------------------------------------------
From net realized gain on investments               $ (1.042)         $   --
- --------------------------------------------------------------------------------
Total distributions                                 $ (1.042)         $   --
- --------------------------------------------------------------------------------


Net asset value -- End of year                      $ 12.310          $11.040
- --------------------------------------------------------------------------------


Total Return/(1)/                                      20.79%           10.40%
- --------------------------------------------------------------------------------


Ratios/Supplemental Data
- --------------------------------------------------------------------------------
Net assets, end of year (000 omitted)               $ 29,037          $21,800
Ratio of net expenses to average net assets/(2)/        3.19%            2.96%+
Ratio of net investment loss to average net assets     (1.67)%          (1.34)%+
- --------------------------------------------------------------------------------
</TABLE> 

+      Annualized.

++     Computed using average shares outstanding throughout the period. 

*     For the period from the start of business, September 18, 1995, to August
      31, 1996.

/(1)/ Total return is calculated assuming a purchase at the net asset value on
      the first day and a sale at the net asset value on the last day of each
      period reported. Dividends and distributions, if any, are assumed to be
      reinvested at the net asset value on the payable date. Total return is not
      computed on an annualized basis.

/(2)/ Includes the Fund's share of the Portfolio's allocated expenses.


                       See notes to financial statements

                                       9
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997 

NOTES TO FINANCIAL STATEMENTS 


1 Significant Accounting Policies
  ------------------------------------------------------------------------------
  EV Marathon Information Age Fund (the Fund) is a diversified series of Eaton
  Vance Growth Trust (the Trust). The Trust is an entity of the type commonly
  known as a Massachusetts business trust and is registered under the Investment
  Company Act of 1940, as amended, as an open-end, management investment
  company. The Fund invests all of its investable assets in interests in
  Information Age Portfolio (the Portfolio), a New York Trust, having the same
  investment objective as the Fund. The value of the Fund's investment in the
  Portfolio reflects the Fund's proportionate interest in the net assets of the
  Portfolio (55.6% at August 31, 1997). The performance of the Fund is directly
  affected by the performance of the Portfolio. The financial statements of the
  Portfolio, including the portfolio of investments, are included elsewhere in
  this report and should be read in conjunction with the Fund's financial
  statements. The following is a summary of significant accounting policies
  consistently followed by the Fund in the preparation of its financial
  statements. The policies are in conformity with generally accepted accounting
  principles.

  On June 23, 1997, the Board of Trustees of the Trust adopted a multiple class
  plan for the Fund which permits the Fund to issue more than one class of
  shares. Initially, the Fund will offer three classes of shares and, effective
  September 1, 1997, the existing shares of the Fund will be designated as Class
  B shares. On June 23, 1997, the Board of Trustees also approved a Plan of
  Reorganization (the "Plan") for the Trust. Under the terms of the Plan, the
  Fund will acquire substantially all of the assets and liabilities of the EV
  Traditional Information Age Fund and EV Classic Information Age Fund. The
  transaction will be structured for tax purposes to qualify as a tax-free
  reorganization under the Internal Revenue Code. As a result of the
  reorganization, shareholders of the Traditional Fund and the Classic Fund will
  receive Class A shares and Class C shares of the Fund, respectively. The
  reorganization will occur after the close of business, August 31, 1997.

  A Investment Valuation -- Valuation of securities by the Portfolio is
  discussed in Note 1A of the Portfolio's Notes to Financial Statements which
  are included elsewhere in this report.

  B Income -- The Fund's net investment income consists of the Fund's pro rata
  share of the net investment income of the Portfolio, less all actual and
  accrued expenses of the Fund determined in accordance with generally accepted
  accounting principles.

  C Federal Taxes -- The Fund's policy is to comply with the provisions of the
  Internal Revenue Code applicable to regulated investment companies and to
  distribute to shareholders each year all of its net investment income, if any,
  and any net realized capital gains. Accordingly, no provision for federal
  income or excise tax is necessary. Pursuant to Section 852 of the Internal
  Revenue Code, the Fund designates $826,483 as a long-term capital gain
  distribution for its taxable year ended August 31, 1997.

  D Deferred Organization Expenses -- Costs incurred by the Fund in connection
  with its organization, including registration costs, are being amortized on
  the straight-line basis over five years.

  E Expense Reduction -- Investors Bank & Trust Company (IBT) serves as
  custodian to the Fund and the Portfolio. Pursuant to the respective custodian
  agreements, IBT receives a fee reduced by credits which are determined based
  on the average daily cash balances the Fund or the Portfolio maintains with
  IBT. All significant credit balances used to reduce the Fund's custodian fees
  are reported as a reduction of expenses on the Statement of Operations.

  F Use of Estimates -- 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 revenue and expense during the reporting period. Actual results could
  differ from those estimates.

2 Distributions to Shareholders
  ------------------------------------------------------------------------------
  It is the present policy of the Fund to make at least one distribution
  annually (normally in December) of all or substantially all of the investment
  income allocated to the Fund by the Portfolio, less the Fund's direct and
  allocated expenses and at least one distribution annually of all or
  substantially all of the net realized capital gains (reduced by any available
  capital loss carryforwards from prior years) allocated by the Portfolio to the
  Fund, if any. Shareholders may reinvest all distributions in shares of the
  Fund at the per share net asset value as of the close of business on the
  record date. The Fund distinguishes between distributions on a tax basis and a
  financial reporting basis. Generally accepted accounting principles require
  that only distributions in excess of tax basis 

                                       10
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997 

NOTES TO FINANCIAL STATEMENTS CONT'D


  earnings and profits be reported in the financial statements as a return of
  capital. Differences in the recognition or classification of income between
  the financial statements and tax earnings and profits which result in
  temporary over distributions for financial statement purposes are classified
  as distributions in excess of net investment income or accumulated net
  realized gains. Permanent differences between book and tax accounting relating
  to distributions are reclassified to paid-in capital.

3 Management Fee and Other Transactions with Affiliates
  ------------------------------------------------------------------------------
  The management fee is earned by Eaton Vance Management (EVM) as compensation
  for management and administration of the business affairs of the Fund. The fee
  is based on a percentage of average daily net assets. For the year ended
  August 31, 1997 the fee was equivalent to 0.25% of the Fund's average net
  assets for such period and amounted to $64,015. Except as to Trustees of the
  Fund who are not members of EVM's organization, officers and Trustees receive
  remuneration for their services to the Fund out of such management fee.
  Certain officers and Trustees of the Fund and the Portfolio are
  directors/trustees of the above organizations. In addition, investment adviser
  and administrative fees, are paid by the Portfolio to EVM and its affiliates.
  See Note 2 of the Portfolio's Notes to Financial Statements which are included
  elsewhere in this report.

4 Shares of Beneficial Interest
  ------------------------------------------------------------------------------
  The Declaration of Trust permits the Trustees to issue an unlimited number of
  full and fractional shares of beneficial interest (without par value).
  Transactions in Fund shares were as follows:

<TABLE> 
<CAPTION> 
                                     Year Ended              Year Ended
                                  August 31, 1997         August 31, 1996*
  -----------------------------------------------------------------------------
     <S>                          <C>                     <C>  
     Sales                            703,921                 2,344,257
 
     Issued to shareholders
      electing to receive
      payment of distribution                                           
      in Fund shares                  165,596                        -- 
    
       Redemptions                   (485,972)                 (369,769)
  ------------------------------------------------------------------------------
       Net increase                   383,545                 1,974,488
  ------------------------------------------------------------------------------
</TABLE> 

   * For the period from the start of business, September 18, 1995 to August 31,
     1996.


5 Distribution Plan
  ------------------------------------------------------------------------------
  The Fund has adopted a distribution plan (the "Plan") pursuant to Rule 12b-1
  under the Investment Company Act of 1940. The Plan requires the Fund to pay
  the Principal Underwriter, Eaton Vance Distributors, Inc. (EVD), amounts equal
  to 1/365 of 0.75% of the Fund's average daily net assets, for providing
  ongoing distribution services and facilities to the Fund. The Fund will
  automatically discontinue payments to EVD during any period in which there are
  no outstanding Uncovered Distribution Charges, which are equivalent to the sum
  of (i) 5% of the aggregate amount received by the Fund for shares sold plus,
  (ii) distribution fees calculated by applying the rate of 1% over the
  prevailing prime rate to the outstanding balance of Uncovered Distribution
  Charges of EVD reduced by the aggregate amount of contingent deferred sales
  charges (see Note 6) and daily amounts theretofore paid to EVD. The amount
  payable to EVD with respect to each day is accrued on such day as a liability
  of the Fund and, accordingly, reduces the Fund's net assets. During the year
  ended August 31, 1997 the Fund paid distribution fees to EVD aggregating
  $192,044 representing 0.75% of average daily net assets. At August 31, 1997
  the amount of Uncovered Distribution Charges of EVD calculated under the Plan
  was approximately $982,000.

  In addition, the Plan authorizes the Fund to make payments of service fees to
  the Principal Underwriter, Authorized Firms and other persons in amounts not
  exceeding 0.25% of the Fund's average daily net assets for each fiscal year.
  The Trustees have initially implemented the Plan by authorizing the Fund to
  make quarterly payments of service fees to the Principal Underwriter and
  Authorized Firms in amounts not expected to exceed 0.25% per annum of the
  Fund's average daily net assets based on the value of Fund shares sold by such
  persons and remaining outstanding for at least one year. Service fee payments
  are made for personal services and/or the maintenance of shareholder accounts.
  Service fees are separate and distinct from the sales commissions and
  distribution fees payable by the Fund to EVD, and, as such, are not subject to
  automatic discontinuance when there are no outstanding Uncovered Distribution
  Charges of EVD. The Fund paid or accrued an aggregate of $50,415 for the year
  ended August 31, 1997 as service fees under the Plan. EVD may pay up to the
  entire amount of the service fees to authorized firms through which the Fund's
  shares are distributed.

                                       11
<PAGE>
 
EV Marathon Information Age Fund as of August 31, 1997 

NOTES TO FINANCIAL STATEMENTS CONT'D


    Certain officers and Trustees of the Fund are officers or directors of EVD.

6 Contingent Deferred Sales Charge
  ------------------------------------------------------------------------------
  A contingent deferred sales charge (CDSC) is imposed on any redemption of Fund
  shares made within six years of purchase. Generally, the CDSC is based upon
  the lower of the net asset value at date of redemption or date of purchase. No
  charge is levied on shares acquired by reinvestment of dividends or capital
  gains distributions. The CDSC is imposed at declining rates that begin at 5%
  in the first and second year of redemption after purchase, declining one
  percentage point each year thereafter. No CDSC is levied on shares which have
  been sold to EVM or its affiliates or to their respective employees or
  clients. CDSC charges are paid to EVD to reduce the amount of Uncovered
  Distribution Charges calculated under the Fund's Distribution Plan. CDSC
  charges received when no Uncovered Distribution Charges exist will be retained
  by the Fund. EVD received approximately $109,000 of CDSC paid by shareholders
  for the year ended August 31, 1997.

7 Investment Transactions
  ------------------------------------------------------------------------------
  Increases and decreases in the Fund's investment in the Portfolio aggregated
  $8,627,075 and $7,019,057, respectively.

8 Subsequent Events
  ------------------------------------------------------------------------------
  Effective September 1, 1997, the Fund changed its name to Eaton Vance
  Information Age Fund and shares of the Fund are designated Class B shares.
  Two additional classes of shares are also offered.

                                       12
<PAGE>
 
EV Marathon Information Age Fund  as of August 31, 1997

INDEPENDENT ACCOUNTANT'S REPORT



To the Trustees and Shareholders
of EV Marathon Information Age Fund:
- --------------------------------------------------------------------------------
We have audited the accompanying statement of assets and liabilities of EV
Marathon Information Age Fund as of August 31, 1997, and the related statement
of operations, the statement of changes in net assets and the financial
highlights for each of the periods indicated therein. These financial statements
and financial highlights are the responsibility of the Fund's management. Our
responsibility is to express an opinion on these financial statements and
financial highlights based on our audits.

We conducted our audit 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 and financial highlights are
free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements. Our
procedures included confirmation of securities held as of August 31, 1997 by
correspondence with the custodian. An audit also includes assessing the
accounting principles used and significant estimates made by management, as well
as evaluating the overall financial statement presentation. We believe that our
audits provide a reasonable basis for our opinion. 

In our opinion, the financial statements and financial highlights present
fairly, in all material respects, the financial position of EV Marathon
Information Age Fund at August 31, 1997, and the results of its operations, the
changes in its net assets and its financial highlights for each of the periods
indicated therein, in conformity with generally accepted accounting principles.

                                  Coopers & Lybrand L.L.P.
                                  Boston, Massachusetts
                                  October 3, 1997

                                      13
<PAGE>
 
Information Age Portfolio  as of August 31, 1997

PORTFOLIO OF INVESTMENTS 

(Expressed in United States Dollars)

<TABLE> 
<CAPTION> 

Common Stocks -- 95.8%

                                                                    Value       
Security                                          Shares            (Note 1A)   
- --------------------------------------------------------------------------------
<S>                                               <C>               <C>         
Advertising -- 2.6%                                                             
- --------------------------------------------------------------------------------
Omnicom Group, Inc.                               13,000            $   880,750 
WPP Group PLC                                     10,000                460,000 
- --------------------------------------------------------------------------------
                                                                    $ 1,340,750 
- --------------------------------------------------------------------------------
                                                                                
Broadcasting and Cable -- 13.2%                                                 
- --------------------------------------------------------------------------------
Benpres Holdings, GDR*                            32,000            $   177,150 
Comcast Corp. Class A                             20,000                468,750 
Emmis Broadcasting Corp., Class A                 10,000                492,500 
Fuji Television Network Inc.                          10                 56,233 
Granada Group, PLC                                40,000                526,339 
Jacor Communications, Inc.                        10,000                440,000 
Liberty Media Group, Class A                      20,000                527,500 
Lin Television Corp./1/                           17,000                806,438 
Pathe SA*                                          2,100                389,439 
TCA Cable TV, Inc.                                 8,000                304,000 
Tele-Communications, Inc.                         35,000                612,500 
Westinghouse Electric Corp.                       45,000              1,158,750 
Yorkshire-Tyne Tees TV Holdings*                  45,000                842,775 
- --------------------------------------------------------------------------------
                                                                    $ 6,802,374 
- --------------------------------------------------------------------------------

Business Services - Miscellaneous -- 1.8%
- --------------------------------------------------------------------------------
Learning Tree International                       20,000            $   550,000 
Tyco International Ltd./1/                         4,813                377,520 
- --------------------------------------------------------------------------------
                                                                    $   927,520 
- --------------------------------------------------------------------------------

Communications Equipment -- 1.4%                                                
- --------------------------------------------------------------------------------
General Cable Corp./1/                            10,000            $   346,250 
Glenayre Technologies, Inc.                       20,000                350,000 
- --------------------------------------------------------------------------------
                                                                    $   696,250 
- --------------------------------------------------------------------------------
                                                                                
Communications Services -- 16.0%                                                
- --------------------------------------------------------------------------------
Ameritech Corp.                                    9,000            $   564,188 
Bellsouth Corp.                                   10,000                440,000 
Bezek                                            250,000                690,928 
British Telecommunications, PLC*                 125,000                806,696 
GTE Corp.                                         15,000                668,438 
Korea Mobile Telecom Corp.*                          298                235,171 
Nippon Telegraph and Telephone Corp.*                700                654,124 
Orange, PLC                                      225,000                792,792 
Orbital Sciences Corp./1/                         25,000                542,188 
SBC Communications, Inc.                          10,000                543,750 
Sprint Corp.                                      10,000                470,000 
Telecom Italia Spa/1/                            350,000              1,226,829 
WorldCom, Inc./1/                                 20,000                598,750 
- --------------------------------------------------------------------------------
                                                                    $ 8,233,854 
- --------------------------------------------------------------------------------

Computer Software -- 12.1%                                                      
- --------------------------------------------------------------------------------
Computer Associates International, Inc.            5,000            $   334,375 
Documentum Inc.                                   20,000                710,000 
Great Plains Software Inc./1/                      3,000                 79,125 
Intuit, Inc./1/                                   25,000                653,125 
Medic Computer Systems, Inc./1/                   10,000                312,500 
Misys, PLC*                                       33,000                850,801 
Net One Systems Co., Ltd./1/                          50                289,436 
Nice Systems Ltd./1/                              15,000                599,063 
Oracle Corp.                                      25,500                972,188 
Reynolds & Reynolds Inc, Class A                  30,000                603,750 
USCS International, Inc./1/                       15,000                268,125 
Vanda Systems and Communications               1,000,000                567,779 
- --------------------------------------------------------------------------------
                                                                    $ 6,240,267 
- --------------------------------------------------------------------------------

Computers and Business Equipment -- 4.2%                                        
- --------------------------------------------------------------------------------
Flextech Holdings Limited                        507,000            $   680,920 
Fujitsu Ltd.                                      50,000                595,410 
Lexmark International Group Inc./1/               25,000                875,000 
- --------------------------------------------------------------------------------
                                                                    $ 2,151,330 
- --------------------------------------------------------------------------------

Consumer Services -- 0.6%                                                       
- --------------------------------------------------------------------------------
Sterling Commerce, Inc./1/                        10,000            $   330,625 
- --------------------------------------------------------------------------------
                                                                    $   330,625 
- --------------------------------------------------------------------------------

Drugs -- 0.6%                                                                   
- --------------------------------------------------------------------------------
Genzyme Corp.                                        300            $     3,225 
Genzyme Corp. Class A                             10,000                281,250 
- --------------------------------------------------------------------------------
                                                                    $   284,475 
- --------------------------------------------------------------------------------

Electronics - Instruments -- 10.4%                                              
- --------------------------------------------------------------------------------
Avimo Group Ltd.*                                200,000            $   254,052 
Electric and Eltek International*              3,000,000              1,045,029 
</TABLE> 


                       See notes to financial statements

                                      14
<PAGE>
 
Information Age Portfolio as of August 31, 1997

PORTFOLIO OF INVESTMENTS CONT'D                                                 

(Expressed in United States Dollars)
                                                                                
<TABLE> 
<CAPTION> 
                                                                    Value
Security                                          Shares            (Note 1A)
- --------------------------------------------------------------------------------
<S>                                             <C>                 <C> 
Electronics - Instruments (continued)                                           
- --------------------------------------------------------------------------------
Martin Gruppen                                     7,500            $   501,599 
Philips Electronics*                              14,000                995,280 
Roland*                                           40,000                893,116 
Tandberg Television, ASA*                         92,000                744,675 
Thermo Electron Corp./1/                          22,000                885,500 
- --------------------------------------------------------------------------------
                                                                    $ 5,319,251 
- --------------------------------------------------------------------------------

Electronics - Semiconductors -- 7.6%                                            
- --------------------------------------------------------------------------------
Alcatel Alsthom                                    5,000            $   612,124 
Analog Devices                                    15,000                496,875 
Creative Technology Limited/1/                    19,000                382,137 
Hitachi Ltd.*                                     65,000                596,651 
Intel Corp.                                        2,000                184,250 
Kokusai Electric                                  30,000                525,946 
LSI Logic/1/                                      20,000                643,750 
Samsung Electronics*                               3,354                377,134 
Samsung Electronics Ltd., GDR*                     1,225                 67,436 
- --------------------------------------------------------------------------------
                                                                    $ 3,886,303 
- --------------------------------------------------------------------------------

Entertainment -- 3.2%                                                           
- --------------------------------------------------------------------------------
Sony Corp.*                                       10,000            $   868,307 
Time Warner Inc.                                  15,000                772,500 
- --------------------------------------------------------------------------------
                                                                    $ 1,640,807 
- --------------------------------------------------------------------------------

Information Services -- 9.0%                                                    
- --------------------------------------------------------------------------------
Affiliated Computer Services, Inc. Class A        10,000            $   262,500 
Automatic Data Processing, Inc.                    5,000                227,813 
BISYS Group, Inc./1/                              10,000                337,500 
CCC Information Services Group                    25,000                431,250 
DST Systems, Inc./1/                              17,000                615,188 
First Data Corp.                                  12,000                492,750 
First USA Paymentech, Inc./1/                     25,000                759,375 
FIserv, Inc.                                       5,000                225,000 
Forrester Research Inc./1/                         2,500                 68,750 
Reuters Holdings, PLC*                           100,000              1,015,059 
SunGard Data Systems, Inc.                         4,000                208,500 
- --------------------------------------------------------------------------------
                                                                    $ 4,643,685 
- --------------------------------------------------------------------------------

Investment Services -- 3.2%                                                     
- --------------------------------------------------------------------------------
Ameritrade Holding Corp., Class A/1/              19,500            $   366,844 
Charles Schwab and Co., Inc.                      15,000                636,563 
Raymond James Financial Corp.                     22,000                638,000 
- --------------------------------------------------------------------------------
                                                                    $ 1,641,407 
- --------------------------------------------------------------------------------

Medical Products -- 0.7%                                                        
- --------------------------------------------------------------------------------
Healthdyne Technologies Inc./1/                   20,000            $   337,500 
- --------------------------------------------------------------------------------
                                                                    $   337,500 
- --------------------------------------------------------------------------------

Miscellaneous -- 0.8%                                                           
- --------------------------------------------------------------------------------
Waters Corp./1/                                   12,000            $   399,750 
- --------------------------------------------------------------------------------
                                                                    $   399,750 
- --------------------------------------------------------------------------------

Publishing -- 8.4%                                                              
- --------------------------------------------------------------------------------
CMP Media Inc., Class A                            1,700            $    45,475 
Dow Jones & Co., Inc.                             20,000                856,250 
John Fairfax Holdings*                           250,000                597,228 
McGraw-Hill, Inc.                                 15,000                919,688 
Pearson, PLC*                                    105,000              1,234,367 
Springer Alex Verlag AG*                             800                686,600 
- --------------------------------------------------------------------------------
                                                                    $ 4,339,608 
- --------------------------------------------------------------------------------

Total Common Stocks                                                             
    (identified cost $42,485,276)                                   $49,215,756 
- --------------------------------------------------------------------------------

<CAPTION> 

Commercial Paper -- 2.4%                                                        
                                                                                
                                                Principal           
                                                Amount              
Security                                        (000 omitted)       Value 
- --------------------------------------------------------------------------------
<S>                                             <C>                 <C> 
General Electric Capital Corp.,                                                 
    5.60%, 9/2/97                               $  1,241            $ 1,240,421 
- --------------------------------------------------------------------------------

Total Commercial Paper                                                          
    (identified cost $1,240,421)                                    $ 1,240,421 
- --------------------------------------------------------------------------------

Total Investments -- 98.2%                                                      
    (identified cost $43,725,697)                                   $50,456,177 
- --------------------------------------------------------------------------------

Other Assets, Less Liabilities -- 1.8%                              $   917,767 
- --------------------------------------------------------------------------------


Net Assets -- 100%                                                  $51,373,944 
- --------------------------------------------------------------------------------
</TABLE> 

ADR -- American Depositary Receipt
GDR -- Global Depositary Receipt 
*   Foreign Security 
/1/ Non-income producing security.


                       See notes to financial statements

                                      15
<PAGE>
 
Information Age Portfolio  as of August 31, 1997

FINANCIAL STATEMENTS

Statement of Assets and Liabilities 

As of August 31, 1997
(Expressed in United States Dollars)

<TABLE> 
<CAPTION> 

Assets
- -------------------------------------------------------------------------------
<S>                                                          <C> 
Investments, at value (Note 1A)                                                
    (identified cost, $43,725,697)                                 $50,456,177 
Cash                                                                    65,868 
Receivable for investments sold                                        705,154 
Dividends and interest receivable                                      181,643 
Deferred organization expenses (Note 1C)                                 3,963 
- -------------------------------------------------------------------------------
Total assets                                                       $51,412,805 
- -------------------------------------------------------------------------------
                                                                               
                                                                               
Liabilities                                                                    
- -------------------------------------------------------------------------------
Payable to affiliate for Trustees' fees (Note 2)                   $        54 
Accrued expenses                                                   $    38,807 
- -------------------------------------------------------------------------------
Total liabilities                                                  $    38,861 
- -------------------------------------------------------------------------------
Net Assets applicable to investors' interest in Portfolio          $51,373,944 
- -------------------------------------------------------------------------------
                                                                               
                                                                               
Sources of Net Assets                                                          
- -------------------------------------------------------------------------------
Net proceeds from capital contributions and withdrawals            $44,641,361 
Net unrealized appreciation of investments (computed                           
    on the basis of identified cost)                                 6,732,583 
- -------------------------------------------------------------------------------
Total                                                              $51,373,944 
- -------------------------------------------------------------------------------
</TABLE>                                                                    
                                                                            
Statement of Operations                                                        

For the Year Ended                                                             
August 31, 1997                                                                
(Expressed in United States Dollars)
<TABLE> 
<CAPTION> 

Investment Income                                                              
- -------------------------------------------------------------------------------
<S>                                                             <C>         
Dividends (net of foreign taxes, $93,807)                          $   615,561 
Interest                                                                81,657 
- -------------------------------------------------------------------------------
Total income                                                       $   697,218 
- -------------------------------------------------------------------------------
                                                                               
                                                                               
Expenses                                                                       
- -------------------------------------------------------------------------------
Investment adviser fee (Note 2)                                    $   362,172 
Administration fee (Note 2)                                            120,758 
Compensation of Trustees not members of the                                    
    Administrator's organization (Note 2)                                6,570 
Custodian fee                                                          177,602 
Legal and accounting services                                           35,148 
Amortization of organization expenses (Note 1C)                          1,248 
Miscellaneous                                                           13,506 
- -------------------------------------------------------------------------------
Total expenses                                                     $   717,004 
- -------------------------------------------------------------------------------
                                                                               
                                                                               
Net expenses                                                       $   717,004 
- -------------------------------------------------------------------------------
                                                                               
                                                                               
Net investment loss                                                $   (19,786)
- -------------------------------------------------------------------------------
                                                                               
                                                                               
Realized and Unrealized                                                        
Gain (Loss) on Investments                                                     
- -------------------------------------------------------------------------------
Net realized gain (loss) --                                                    
- -------------------------------------------------------------------------------
    Investment transactions (identified cost basis)                $ 5,627,570 
    Foreign currency transactions                                      (22,502)
- -------------------------------------------------------------------------------
Net realized gain on investment transactions                       $ 5,605,068 
- -------------------------------------------------------------------------------
Change in unrealized appreciation (depreciation) --                            
    Investments (identified cost basis)                            $ 4,257,104 
    Foreign currency transactions                                        1,913 
- -------------------------------------------------------------------------------
Net change in unrealized appreciation (depreciation)               $ 4,259,017 
- -------------------------------------------------------------------------------
                                                                               
Net realized and unrealized gain on investments                    $ 9,864,085 
- -------------------------------------------------------------------------------
                                                                               
Net increase in net assets from operations                         $ 9,844,299 
- -------------------------------------------------------------------------------
</TABLE> 


                       See notes to financial statements

                                      16
<PAGE>
 
Information Age Portfolio as of August 31, 1997 

FINANCIAL STATEMENTS CONT'D

Statements of Changes in Net Assets

(Expressed in United States Dollars)

<TABLE> 
<CAPTION> 

Increase (Decrease)                        Year Ended           Year Ended
in Net Assets                              August 31, 1997      August 31, 1996*
- -------------------------------------------------------------------------------
<S>                                         <C>                   <C> 
From operations --                  
    Net investment income (loss)            $    (19,786)         $    19,131
    Net realized gain (loss) on     
        investment transactions                 5,605,068             (269,074)
    Net change in unrealized        
        appreciation (depreciation)             4,259,017            2,473,566
- --------------------------------------------------------------------------------
Net increase in net assets          
    from operations                          $  9,844,299          $ 2,223,623
- --------------------------------------------------------------------------------
Capital transactions --             
    Contributions                            $ 19,061,455          $47,226,307
    Withdrawals                               (20,235,195)          (6,846,545)
- --------------------------------------------------------------------------------
Net increase (decrease) in net assets
     from capital transactions               $ (1,173,740)         $40,379,762
- --------------------------------------------------------------------------------
                                    
Net increase in net assets                   $  8,670,559          $42,603,385
- --------------------------------------------------------------------------------
                                    
                                    
Net Assets                          
- --------------------------------------------------------------------------------
At beginning of year                         $ 42,703,385          $   100,000
- --------------------------------------------------------------------------------
At end of year                               $ 51,373,944          $42,703,385
- --------------------------------------------------------------------------------
</TABLE> 

* For the period from the start of business, September 18, 1995, to August 31,
  1996.


                       See notes to financial statements

                                      17
<PAGE>
 
Information Age Portfolio  as of August 31, 1997

FINANCIAL STATEMENTS CONT'D

Supplementary Data (Expressed in Unites States Dollars)

<TABLE> 
<CAPTION> 
                                                     Year Ended August 31,
                                              ----------------------------------
                                                    1997           1996*
- --------------------------------------------------------------------------------
<S>                                                <C>               <C> 

Ratios to average daily net assets
- --------------------------------------------------------------------------------
Expenses                                            1.48%            1.52%+
Net investment income (loss)                       (0.04)%           0.07%+
Portfolio Turnover                                   160%             115%
- --------------------------------------------------------------------------------
Average commission rate paid per share/(1)/      $0.0160          $0.0303
- --------------------------------------------------------------------------------
Net assets, end of year (000s omitted)           $51,374          $42,703
- --------------------------------------------------------------------------------
</TABLE> 

+     Annualized.

*     For the period from the start of business, September 18, 1995, to August
      31, 1996.

/(1)/ Average commission rate paid is computed by dividing the total dollar
      amount of commissions paid during the fiscal year by the total number of
      shares purchased and sold during the fiscal year for which commissions
      were charged.



                       See notes to financial statements

                                      18
<PAGE>
 
Information Age Portfolio as of August 31, 1997

NOTES TO FINANCIAL STATEMENTS
(Expressed in United States Dollars)


1 Significant Accounting Policies
  ------------------------------------------------------------------------------
  Information Age Portfolio (the "Portfolio") is registered under the
  Investment Company Act of 1940 as a diversified, open-end management
  investment company. The Portfolio which was organized as a trust under the
  laws of the State of New York on September 1, 1992 seeks to provide
  long-term capital growth by investing in a global and diversified portfolio
  of securities of information age companies. The Declaration of Trust permits
  the Trustees to issue interests in the Portfolio. The following is a summary
  of the significant accounting policies of the Portfolio. The policies are in
  conformity with generally accepted accounting principles.

  A Investment Valuations -- Marketable securities, including options, that
  are listed on foreign or U.S. securities exchanges or in the NASDAQ National
  Market System are valued at closing sale prices, on the exchange where such
  securities are principally traded. Futures positions on securities or
  currencies are generally valued at closing settlement prices. Unlisted or
  listed securities for which closing sale prices are not available are valued
  at the mean between the latest bid and asked prices. Short-term debt
  securities with a remaining maturity of 60 days or less are valued at
  amortized cost. Other fixed income and debt securities, including listed
  securities and securities for which price quotations are available, will
  normally be valued on the basis of valuations furnished by a pricing
  service. Investments for which valuations or market quotations are
  unavailable are valued at fair value using methods determined in good faith
  by or at the direction of the Trustees.

  B Federal Taxes -- The Portfolio is treated as a partnership for Federal tax
  purposes. No provision is made by the Portfolio for Federal or state taxes
  on any taxable income of the Portfolio because each investor in the
  Portfolio is ultimately responsible for the payment of any taxes on its
  share of such income. Since some of the Portfolio's investors are regulated
  investment companies that invest all or substantially all of their assets in
  the Portfolio, the Portfolio normally must satisfy the applicable source of
  income and diversification requirements (under the Internal Revenue Code),
  in order for its investors to satisfy them. The Portfolio will allocate, at
  least annually among its investors, each investor's distributive share of
  the Portfolio's net investment income, net realized capital gains, and any
  other items of income, gain, loss, deduction or credit. Withholding taxes on
  foreign dividends and capital gains have been provided for in accordance
  with the Trust's understanding of the applicable countries' tax rules and 
  rates.

  C Deferred Organization Expenses -- Costs incurred by the Portfolio in
  connection with its organization are being amortized on the straight-line
  basis over five years.

  D Financial Futures Contracts -- Upon the entering of a financial futures
  contract, the Portfolio is required to deposit ("initial margin") either in
  cash or securities an amount equal to a certain percentage of the purchase
  price indicated in the financial futures contract. Subsequent payments are
  made or received by the Portfolio ("margin maintenance") each day, dependent
  on the daily fluctuations in the value of the underlying security, and are
  recorded for book purposes as unrealized gains or losses by the Portfolio.
  The Portfolio's investment in financial futures contracts is designed only
  to hedge against anticipated future changes in interest or currency exchange
  rates. Should interest or currency exchange rates move unexpectedly, the
  Portfolio may not achieve the anticipated benefits of the financial futures
  contracts and may realize a loss.

  E Options on Financial Futures -- Upon the purchase of a put option on
  foreign currency by the Portfolio, the premium paid is recorded as an
  investment, the value of which is marked-to-market daily. When a purchased
  option expires, the Portfolio will realize a loss in the amount of the cost
  of the option. When a Portfolio enters into a closing sales transaction, the
  Portfolio will realize a gain or loss depending upon whether the sales
  proceeds from the closing sales transaction are greater or less than the
  cost of the option. When a Portfolio exercises a put option, settlement is
  made in cash. The risk associated with purchasing options is limited to the
  premium originally paid.

  F Foreign Currency Translation -- Investment valuations, other assets, and
  liabilities initially expressed in foreign currencies are converted each
  business day into U.S. dollars based upon current exchange rates. Purchases
  and sales of foreign investment securities and income and expenses are
  converted into U.S. dollars based upon currency exchange rates prevailing on
  the respective dates of such transactions. Recognized gains or losses on
  investment transactions attributable to foreign currency 

                                       19
<PAGE>
 
Information Age Portfolio as of August 31, 1997

NOTES TO FINANCIAL STATEMENTS CONT'D
(Expressed in United States Dollars)


  rates are recorded for financial statement purposes as net realized gains and 
  losses on investments. That portion of unrealized gains and losses on 
  investments that result from fluctuations in foreign currency exchange rates 
  are not separately disclosed.

  G Forward Foreign Currency Exchange Contracts -- The Portfolio may enter
  into forward foreign currency exchange contracts for the purchase or sale of
  a specific foreign currency at a fixed price on a future date. Risks may
  arise upon entering these contracts from the potential inability of
  counterparties to meet the terms of their contracts and from movements in
  the value of a foreign currency relative to the U.S. dollar. The Portfolio
  will enter into forward contracts for hedging purposes as well as
  non-hedging purposes. The forward foreign currency exchange 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
  such time as the contracts have been closed or offset.

  H Use of Estimates -- 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 revenue and expense during the reporting period. Actual results could
  differ from those estimates.

  I Other -- Investment transactions are accounted for on a trade date basis.
  Dividend income is recorded on the ex-dividend date. However, if the
  ex-dividend date has passed, certain dividends from foreign securities are
  recorded as the Portfolio is informed of the ex-dividend date. Interest
  income is recorded on the accrual basis.

  J Expense Reduction -- Investors Bank & Trust Company (IBT) serves as
  custodian of the Portfolio. Pursuant to the custodian agreement, IBT
  receives a fee reduced by credits which are determined based on the average
  daily cash balances the Portfolio maintains with IBT. All significant credit
  balances used to reduce the Portfolio's custodian fees are reflected as a
  reduction of operating expense on the statement of operations.


2 Investment Adviser Fee and Other Transactions with Affiliates
  ------------------------------------------------------------------------------
  The investment adviser fee is earned by Boston Management and Research
  (BMR), a wholly-owned subsidiary of Eaton Vance Management (EVM), and Lloyd
  George Investment Management (Bermuda) Limited, an affiliate of EVM, (the
  Advisers) as compensation for management and investment advisory services 
  rendered to the Portfolio. Under the advisory agreement, the Advisers receive 
  a monthly fee, divided equally between them, of 0.0625% (0.75% annually) of 
  the average daily net assets of the Portfolio up to $500,000,000, and at 
  reduced rates as daily net assets exceed that level. For the year ended August
   31, 1997 the adviser fee was 0.75% of average net assets for such period and 
  amounted to $362,172. In addition, an administrative fee is earned by EVM for 
  managing and administering the business affairs of the Portfolio. Under the
  administration agreement, EVM earns a monthly fee in the amount of 1/48th of
  1% (equal to 0.25% annually) of the average daily net assets of the
  Portfolio up to $500,000,000, and at reduced rates as daily net assets
  exceed that level. For the year ended August 31, 1997 the administration fee
  was 0.25% of average net assets for such period and amounted to $120,758.
  Except as to the Trustees of the Portfolio who are not members of the
  Advisers or EVM's organization, officers and Trustees receive remuneration
  for their services to the Portfolio out of such investment adviser and
  administrative fees.

  Trustees of the Portfolio that are not affiliated with the Advisers may elect 
  to defer receipt of all or a percentage of their annual fees in accordance
  with the terms of the Trustees Deferred Compensation Plan. For the year ended
  August 31, 1997, no significant amounts have been deferred.

  Certain of the officers and Trustees of the Portfolio are officers and
  directors/trustees of the above organizations.

3 Investment Transactions
  ------------------------------------------------------------------------------
  Purchase and sales of investments, other than short-term obligations, 
  aggregated $74,731,034 and $77,133,653, respectively.

                                       20
<PAGE>
 
Information Age Portfolio as of August 31, 1997

NOTES TO FINANCIAL STATEMENTS (CONT'D)

(Expressed in United States Dollars)


4 Federal Income Tax Basis of Investments
  ------------------------------------------------------------------------------
  The cost and unrealized appreciation/depreciation in value of the investments 
  owned at August 31, 1997, are as follows:


   Aggregate cost                                            $ 43,829,717
   -----------------------------------------------------------------------------
   Gross unrealized appreciation                             $  7,547,438
   Gross unrealized depreciation                                 (920,978)
   -----------------------------------------------------------------------------
   Net unrealized appreciation                               $  6,626,460
   -----------------------------------------------------------------------------

5 Risks Associated with Foreign Investments
  ------------------------------------------------------------------------------
  Investing in securities issued by companies whose principal business
  activities are outside the United States may involve significant risks not
  present in domestic investments. For example, there is generally less
  publicly available information about foreign companies, particularly those
  not subject to the disclosure and reporting requirements of the U.S.
  securities laws. Foreign issuers are generally not bound by uniform
  accounting, auditing, and financial reporting requirements and standards of
  practice comparable to those applicable to domestic issuers. Investments in
  foreign securities also involve the risk of possible adverse changes in
  investment or exchange control regulations, expropriation or confiscatory
  taxation, limitation on the removal of funds or other assets of the
  Portfolio, political or financial instability or diplomatic and other
  developments which could affect such investments. Foreign stock markets,
  while growing in volume and sophistication, are generally not as developed
  as those in the United States, and securities of some foreign issuers
  (particularly those located in developing countries) may be less liquid and
  more volatile than securities of comparable U.S. companies. In general,
  there is less overall governmental supervision and regulation of foreign
  securities markets, broker-dealers, and issuers than in the United States.

6 Financial Instruments
  ------------------------------------------------------------------------------
  The Portfolio regularly trades in financial instruments with off-balance
  sheet risk in the normal course of its investing activities to assist in
  managing exposure to various market risks. These financial instruments
  include written options, forward foreign currency exchange contracts and
  financial futures contracts and may involve, to a varying degree, elements
  of risk in excess of the amounts recognized for financial statement
  purposes. The notional or contractual amounts of these instruments represent
  the investment the Portfolio has in particular classes of financial
  instruments and does not necessarily represent the amounts potentially
  subject to risk. The measurement of the risks associated with these
  instruments is meaningful only when all related and offsetting transactions
  are considered.

  The Portfolio did not have any open obligations under these financial
  instruments at August 31, 1997.


7 Line of Credit
  ------------------------------------------------------------------------------
  The Portfolio participates with other portfolios and funds managed by BMR
  and EVM and its affiliates in a $120 million unsecured line of credit
  agreement with a group of banks. Borrowings will be made by the Portfolio
  solely to facilitate the handling of unusual and/or unanticipated short-term
  cash requirements. Interest is charged to each portfolio or fund based on
  its borrowings at the bank's base rate or at an amount above either the
  bank's adjusted certificate of deposit rate, a Eurodollar rate, or a federal
  funds effective rate. In addition, a fee computed at an annual rate of 0.15%
  on the daily unused portion of the facility is allocated among the
  participating funds and portfolios at the end of each quarter. The Portfolio
  did not have any significant borrowings or allocated fees during the period.

                                       21
<PAGE>
 
Information Age Portfolio  as of August 31, 1997

INDEPENDENT ACCOUNTANTS' REPORT


To the Trustees and Investors of
Information Age Portfolio:
- --------------------------------------------------------------------------------
We have audited the accompanying statement of assets and liabilities of
Information Age Portfolio, including the portfolio of investments, as of August
31, 1997, and the related statements of operations, the statements of changes in
net assets and the supplementary data for each of the periods indicated therein.
These financial statements and supplementary data are the responsibility of the
Portfolio's management. Our responsibility is to express an opinion on these
financial statements and supplementary data based on our audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United States of America. Those standards require that we plan and
perform the audit to obtain reasonable assurance about whether the financial
statements and supplementary data are free of material misstatement. An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements. Our procedures included confirmation of
securities owned as of August 31, 1997 by correspondence with the custodian and
brokers; where replies were not received from brokers we performed other
auditing procedures. An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as evaluating the
overall financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

In our opinion, the financial statements and supplementary data present fairly,
in all material respects, the financial position of Information Age Portfolio as
of August 31, 1997, and the results of its operations, changes in its net assets
and supplementary data for each of the periods indicated therein, in conformity
with United States generally accepted accounting principles.

                                  Coopers & Lybrand
                                  Chartered Accountants
                                  Toronto, Canada
                                  October 3, 1997



                                      22
<PAGE>
 
EV Marathon Information Age Fund  as of August 31, 1997

INVESTMENT MANAGEMENT

<TABLE> 
<CAPTION> 
EV Marathon Information Age Fund
             <S>                        <C> 
             Officers                   Independent Trustees                              
             James B. Hawkes            Donald R. Dwight                                  
             President and Trustee      President, Dwight Partners, Inc.                  
                                        Chairman, Newspapers of New England, Inc.         
             M. Dozier Gardner                                                            
             Vice President             Samuel L. Hayes, III                              
                                        Jacob H. Schiff Professor of Investment Banking,  
             William D. Burt            Harvard University Graduate School of             
             Vice President             Business Administration                           
                                                                                          
             Barclay Tittmann           Norton H. Reamer                                  
             Vice President             President and Director, United Asset              
                                        Management Corporation                            
             James L. O'Connor                                                            
             Treasurer                  John L. Thorndike                                 
                                        Formerly Director, Fiduciary Company Incorporated 
             Alan R. Dynner                                                               
             Secretary                  Jack L. Treynor                                   
                                        Investment Adviser and Consultant                 
<CAPTION>                                                                                           

Information Age Portfolio
             <S>                        <C> 
             Officers                   Independent Trustees                             
             James B. Hawkes            Hon. Edward K.Y. Chen                            
             President and Trustee      Professor and Director, Center for Asian Studies,
                                        University of Hong Kong                          
             William Chisholm                                                            
             Vice President             Donald R. Dwight                                 
                                        President, Dwight Partners, Inc.                 
             Michel Normandeau          Chairman, Newspapers of New England, Inc.        
             Vice President                                                              
                                        Samuel L. Hayes, III                             
             Raymond O'Neill            Jacob H. Schiff Professor of Investment Banking, 
             Vice President             Harvard University Graduate School of            
                                        Business Administration                          
             Duncan W. Richardson                                                        
             Vice President and         Norton H. Reamer                                 
             Co-Portfolio Manager       President and Director, United Asset             
                                        Management Corporation                           
             Hon. Robert Lloyd George                                                    
             Vice President, Trustee    John L. Thorndike                                
             and Co-Portfolio Manager   Formerly Director, Fiduciary Company Incorporated
                                                                                         
             James L. O'Connor          Jack L. Treynor                                  
             Treasurer                  Investment Adviser and Consultant                
                                                                                         
             Alan R. Dynner                            
             Secretary
</TABLE> 

                                      23
<PAGE>
 
Sponsor and Manager of EV Marathon Information Age
Fund and Administrator of Information Age Portfolio
Eaton Vance Management
24 Federal Street
Boston, MA 02110

Co-Advisor of Information Age Portfolio
Boston Management and Research
24 Federal Street
Boston, MA 02110

Lloyd George Investment Management (Bermuda) Limited
3808 One Exchange Square
Central, Hong Kong

Principal Underwriter
Eaton Vance Distributors, Inc.
24 Federal Street
Boston, MA 02110
(617) 482-8260

Custodian
Investors Bank & Trust Company
200 Clarendon Street
Boston, MA 02116

Transfer Agent
First Data Investor Services Group, Inc.
Attn: Eaton Vance Funds
P.O. Box 5123
Westborough, MA 01581-5123
(800) 262-1122

Independent Auditors
Coopers & Lybrand L.L.P.
One Post Office Square
Boston, MA 02109




EV Marathon Information Age Fund
24 Federal Street
Boston, MA 02110




- --------------------------------------------------------------------------------
  This report must be preceded or accompanied by a current prospectus which
  contains more complete information on the Fund, including its sales charges
  and expenses. Please read the prospectus carefully before you invest or send
  money.
- --------------------------------------------------------------------------------

                                                                    MIASRC-11/97


  


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