INSITUFORM EAST INC
DEF 14A, 1997-11-04
CONSTRUCTION - SPECIAL TRADE CONTRACTORS
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Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934


Filed by Registrant [ X ] 
Filed by Party other than the  Registrant [   ]
Check the  appropriate  box:  
[   ]  Preliminary  Proxy  Statement  
[ X ]  Definitive  Proxy Statement 
[   ]  Definitive  Additional  Materials 
[   ]  Soliciting  Material  Pursuant to Sec.  240.14a-11(c) or 240.14a-12 
[   ]  Confidential, for Use of the  Commission  Only 
       (as permitted by Rule 14-6(e)(2)



                          INSITUFORM EAST, INCORPORATED

Payment of Filing Fee (Check the appropriate box):

[   ]   $125 per Exchange Act Rules 0-11(c)(1)(ii),  14a-6(i)(1), 14a-6(i) (2)
        of Item 22(a)(2)of Schedule 14A.
[   ]   $500 per each party to the  controversy  pursuant to Exchange Act Rule
        14a-6(i)(3).
[   ]   Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.
         1) Title of each class of securities to which transaction applies:
         2) Aggregate number of securities to which transaction applies:
         3) Per unit  price  or  other  underlying  value  of  transaction
            computed pursuant to Exchange Act Rule 0-11 (Set forth the amount on
            which the filing fee is calculated and state how it was determined):
         4) Proposed  maximum  aggregate value of transaction:
         5) Total fee paid:

[   ]   Fee paid previously with preliminary materials.

[   ]   Check box if any part of the fee is offset as provided by Exchange Act
        Rule  0-11(a)(2) and identify the filing by  registration  for which the
        offsetting  fee was paid  previously.  Identify the  previous  filing by
        registration  statement  number, or the Form or Schedule and the date of
        its filing.

         1) Amount Previously Paid:
         2) Form, Schedule or Registration Statement No.:
         3) Filing Party:
         4) Date Filed:


<PAGE>


                          INSITUFORM EAST, INCORPORATED
                                3421 Pennsy Drive
                            Landover, Maryland 20785


                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
                            FRIDAY, DECEMBER 12, 1997

To the Stockholders of Insituform East, Incorporated:

         NOTICE IS HEREBY  GIVEN that the  Annual  Meeting  of  Stockholders  of
Insituform  East,  Incorporated,  a Delaware  corporation  (the "Company" or the
"Corporation"), for the fiscal year ended June 30, 1997 will be held at the Club
Hotel by  Doubletree,  9100 Basil  Court,  Landover,  Maryland  20774 on Friday,
December 12, 1997, at 10:00 a.m. local time, for the following purposes:

         1.       To elect directors of the Corporation; and

         2.       To transact  such other  business as may properly  come before
                  the meeting and any adjournments thereof.

         The Board of  Directors  has fixed the close of business on October 16,
1997, as the Record Date for determining stockholders entitled to notice of, and
to vote at, the Annual Meeting.

         A copy of the  Corporation's  Annual  Report for the fiscal  year ended
June 30, 1997, a Proxy and a Proxy Statement accompany this Notice.


WHETHER OR NOT YOU EXPECT TO BE PRESENT AT THE MEETING,  PLEASE  SIGN,  DATE AND
PROMPTLY  MAIL THE  ENCLOSED  PROXY IN THE  ENVELOPE  PROVIDED.  NO  POSTAGE  IS
REQUIRED  IF MAILED IN THE UNITED  STATES.  A PROMPT  RESPONSE  WILL ASSURE YOUR
PARTICIPATION IN THE MEETING AND REDUCE THE CORPORATION'S  EXPENSE IN SOLICITING
PROXIES. IF YOU ARE PRESENT AT THE MEETING,  YOU MAY, IF YOU WISH, WITHDRAW YOUR
PROXY AND VOTE YOUR SHARES PERSONALLY.



                                             By Order of the Board of Directors,



                                             Robert F. Hartman
                                             Secretary


Landover, Maryland
November 3, 1997



<PAGE>



                                       

                          INSITUFORM EAST, INCORPORATED
                                3421 Pennsy Drive
                            Landover, Maryland 20785

                         ANNUAL MEETING OF STOCKHOLDERS
                                DECEMBER 12, 1997

                                 PROXY STATEMENT

                    SOLICITATION AND REVOCABILITY OF PROXIES

         This Proxy Statement is furnished in connection  with the  solicitation
of  proxies  by the Board of  Directors  of  Insituform  East,  Incorporated,  a
Delaware corporation (the "Company" or the "Corporation"), for use at the Annual
Meeting of Stockholders  to be held at the Club Hotel by Doubletree,  9100 Basil
Court,  Landover,  Maryland,  20774 on Friday,  December 12, 1997, at 10:00 a.m.
local time, and any adjournments thereof (the "Meeting").

         The Board of  Directors  has fixed the close of business on October 16,
1997,  as  the  record  date  (the  "Record  Date")  for  the  determination  of
stockholders who are entitled to notice of, and to vote at, the Meeting.

         Stockholders are requested to complete,  sign and date the accompanying
Proxy and return it promptly to the Company in the enclosed envelope.  Any proxy
given pursuant to this solicitation may be revoked by the person executing it at
any time prior to or at the Meeting.

         Shares of Common Stock and shares of Class B Common  Stock  represented
by valid  proxies  received in time for the Meeting,  and not  revoked,  will be
voted as specified therein.  If no instructions are given, the respective shares
of common stock will be voted FOR the election as directors of the Company those
nominees  for  director  designated  for election by holders of shares of Common
Stock and listed  under the caption  "Proposal  No. 1 -- Election of  Directors"
herein;  FOR the  election as directors of the  Corporation  those  nominees for
director  designated  for  election by holders of shares of Class B Common Stock
and listed under the caption  "Proposal No. 1 -- Election of Directors"  herein;
and, if authority is given to them, at the discretion of the proxy  holders,  on
any other matters that may properly come before the Meeting.

         The cost of preparing,  assembling,  and mailing this Proxy  Statement,
the  Proxy  and the  Notice  of  Annual  Meeting  will  be paid by the  Company.
Additional  solicitation by mail, telephone,  telegraph or personal solicitation
may be done by  directors,  officers or regular  employees of the Company.  Such
persons will receive no additional  compensation  for such  services.  Brokerage
houses and other nominees,  fiduciaries and custodians  nominally holding shares
of Common  Stock or Class B Common  Stock of record will be requested to forward
proxy soliciting  material to the beneficial owners of such shares,  and will be
reimbursed by the Company for their reasonable expenses.

         This Proxy Statement and the  accompanying  Notice of Annual Meeting of
Stockholders,  Proxy, and Annual Report for the fiscal year ended June 30, 1997,
are first  being  mailed  to the  Company's  stockholders  of record on or about
November 3, 1997.

<PAGE>

                      OUTSTANDING SHARES AND VOTING RIGHTS

         As of the Record  Date,  there  were  outstanding  4,059,266  shares of
Common Stock,  par value four cents ($.04) per share (the "Common  Stock"),  and
297,596  shares of Class B Common  Stock,  par value four cents ($.04) per share
(the  "Class B  Common  Stock"),  which  are the  only  classes  of stock of the
Corporation  outstanding.  A quorum shall be  constituted by the presence at the
Meeting of a majority of the outstanding shares of Common Stock, or 2,029,634 of
such shares,  and a majority of the outstanding  shares of Class B Common Stock,
or 148,799 of such shares.
         Each share of Common  Stock is entitled to one vote,  and each share of
Class B Common  Stock is  entitled  to ten  votes,  except  with  respect to the
election of directors and any other matter requiring the vote of Common Stock or
Class B Common Stock separately as a class. The holders of Common Stock,  voting
as a separate  class,  are  entitled  to elect that  number of  directors  which
constitutes  25% of the  authorized  number of members of the Board of Directors
and, if such 25% is not a whole  number,  then the  holders of Common  Stock are
entitled to elect the nearest  higher whole number of directors that is at least
25% of such  membership.  The holders of Class B Common Stock,  also voting as a
separate class, are entitled to elect the remaining  directors.  The affirmative
vote of the  holders of a  majority  of each  class of common  stock  present in
person or represented by proxy,  provided a quorum of that class is present,  is
necessary  for  the  election  of  directors  by  the  class.  For  purposes  of
determining whether a proposal has received a majority vote, abstentions will be
included in the vote totals  with the result  that an  abstention  will have the
same effect as a negative  vote.  Where  authority  to vote shares is  withheld,
including  instances where brokers are prohibited from exercising  discretionary
authority for beneficial owners who have not returned a proxy (so-called "broker
non-votes"),  those  shares  will  not be  included  in  the  vote  totals  and,
therefore, will have no effect on the vote.

                               SECURITY OWNERSHIP

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS

         The following  information  is furnished with respect to each person or
entity who is known to the Company to be the beneficial owner of more than 5% of
any class of the Company's voting securities as of the Record Date:
<TABLE>
<CAPTION>

 Name & Address of                             Amount & Nature of     Percent
 Beneficial Owner      Title of Class         Beneficial Ownership   of Class
- --------------------------------------------------------------------------------
<S>                    <C>                          <C>               <C>

CERBCO, Inc.           Common Stock                 1,127,500         27.8% 1/
3421 Pennsy Drive      Class B Common Stock           296,141         99.5% 1/
Landover, MD 20785

George Wm. Erikson 2/
CERBCO, Inc.
3421 Pennsy Drive
Landover, MD 20785

Robert W. Erikson 2/
CERBCO, Inc.
3421 Pennsy Drive
Landover, MD 20785
</TABLE>
- --------------------------------------------------------------------------------
1/   Through its  ownership of such  percentages  of the  outstanding  shares of
     Common  Stock and Class B Common  Stock,  CERBCO,  Inc. is entitled to cast
     58.1% of all votes  entitled  to be cast on  matters  on which  holders  of
     shares of both classes of the Company's common stock vote together.
2/   Messrs.  George  Wm.  Erikson  and Robert W.  Erikson  own 44.4% and 39.1%,
     respectively,  of the outstanding shares of Class B Common Stock of CERBCO,
     Inc.  On the  basis of their  stockholdings  and  management  positions  in
     CERBCO,  Inc., they could act together to control either the disposition or
     the voting of the shares of the  Company's  Common  Stock or Class B Common
     Stock held by CERBCO, Inc. Messrs. George Wm. Erikson and Robert W. Erikson
     are brothers.

SECURITY OWNERSHIP OF MANAGEMENT

         The following information is furnished with respect to all directors of
the Company who were the beneficial owners of any shares of the Company's Common
Stock or Class B Common  Stock as of the Record  Date,  and with  respect to all
directors and officers of the Company as a group:

<PAGE>


<TABLE>

<CAPTION>
                                                             Amount & Nature of Beneficial Ownership
    Name of Beneficial Owner   Title of Class        Owned Outright    Exercisable Options   Percent of Class
- -------------------------------------------------------------------------------------------------------------
<S>                            <C>                          <C>               <C>               <C>

George Wm. Erikson 1/          Common Stock                 16,500             75,000            2.0%
Robert W. Erikson 1/           Common Stock                      0             75,000            1.7%
Calvin G. Franklin             Common Stock                      0             45,000            1.0%
Webb C. Hayes, IV              Common Stock                      0             45,000            1.0%
Paul C. Kincheloe, Jr          Common Stock                      0             45,000            1.0%
Jack Massar                    Common Stock                      0             75,000            1.7%
Thomas J. Schaefer             Common Stock                      0             75,000            1.7%
All directors and officers as  Common Stock                 17,000            435,000           10.1%
  a group (11 persons,         Class B Common Stock              0                  0            0.0%
  including those named above)
</TABLE>

1/   Messrs.  George  Wm.  Erikson  and Robert W.  Erikson  own 44.4% and 39.1%,
     respectively,  of the outstanding shares of Class B Common Stock of CERBCO,
     Inc.  On the  basis of their  stockholdings  and  management  positions  in
     CERBCO,  Inc., they could act together to control either the disposition or
     the voting of the shares of the  Company's  Common  Stock or Class B Common
     Stock held by CERBCO, Inc. Messrs. George Wm. Erikson and Robert W. Erikson
     are brothers.

                     PROPOSAL NO. 1 - ELECTION OF DIRECTORS

         The Board of Directors is currently  comprised of seven directors.  The
terms  of  all  presently   serving  directors  expire  upon  the  election  and
qualification  of the  directors  to be elected at the  Meeting.  The  directors
elected at the Meeting will serve  subject to the By-laws  until the next Annual
Meeting of  Stockholders  for the fiscal year ending  June 30,  1998,  and until
their respective successors shall have been duly elected and qualified.

         All of the seven persons presently serving as directors are nominees to
be  elected  at the  Meeting  and are  listed  below.  It is  intended  that the
individuals named in the enclosed form of Proxy will vote their proxies in favor
of these nominees for the Company's  directors,  unless otherwise directed.  The
Board  has no reason  to  believe  that any of the  nominees  for the  office of
director will not be available for election as director.  However, should any of
them  become  unwilling  or  unable to be  nominated,  it is  intended  that the
individuals  named in the enclosed Proxy may vote for the election of such other
person as the Board may recommend.

PRESENT DIRECTORS WHO ARE NOMINATED FOR RE-ELECTION

         Two of the  seven  nominees  for  election  to the  Company's  Board of
Directors  identified  below have been designated for election by the holders of
shares  of Common  Stock,  and only the  holders  of such  shares  may vote with
respect to these nominees.  The remaining five nominees have been designated for
election by the holders of shares of Class B Common Stock,  and only the holders
of such  shares  may vote  with  respect  to these  nominees.  Accordingly,  the
following  list  contains a  designation  as to those  nominees to be elected by
holders of shares of Common Stock and those nominees to be elected by holders of
shares of Class B Common Stock: <TABLE> <CAPTION>

      Name, Age, Principal Occupation,                                     First Became   Class of Common Stock
    Business Experience and Directorships                                  A Director      For Which Nominated
- ---------------------------------------------------------------------------------------------------------------
<S>                                                                           <C>          <C>

George Wm. Erikson, Age 55 1/                                                 1984         Class B Common Stock
   Chairman, member of the Chief Executive Officer Committee and General Counsel
since 1986,  Chairman of the Board of Directors from 1985 to 1986; CERBCO,  Inc.
- -- Chairman, General Counsel and Director since 1988; CERBERONICS,  Inc. -- Vice
Chairman  since 1988,  Chairman from 1979 to 1988,  Secretary from 1976 to 1988,
General  Counsel since 1976 and Director since 1975;  Capitol Office  Solutions,
Inc. -- Chairman, General Counsel and Director from 1987 to June 30, 1997.





<PAGE>


Robert W. Erikson, Age 52 1/                                                  1985         Class B Common Stock
                                                                                
   President  since  September  1991,  Vice  Chairman  and  member  of the Chief
Executive  Officer Committee since 1986, Vice Chairman of the Board of Directors
from 1985 to 1986; CERBCO,  Inc. -- President,  Vice Chairman and Director since
1988; CERBERONICS,  Inc. -- Chairman since 1988, President from 1977 to 1988 and
Director  since  1974;  Capitol  Office  Solutions,  Inc. -- Vice  Chairman  and
Director from 1987 to June 30, 1997;  Director of The Palmer  National Bank from
1983 to 1996, and Director of its successor,  The George Mason Bank, N.A., until
June, 1997.

Calvin G. Franklin, Age 67                                                    1994         Common Stock
     President and Chief Executive Officer of Engineering  Systems  Consultants,
Inc. since 1992;  Commanding  General of D.C.  National Guard from 1981 to 1992;
Director of Columbia First Bank from 1989 to 1995;  Director of Signet Bank, N.A
from 1985 to 1989; retired Major General, U.S. Army.

Webb C. Hayes, IV, Age 49                                                     1994         Class B Common Stock
     Director and Executive Vice President of George Mason Bankshares,  Inc. and
Chairman,  President and CEO of The George Mason Bank,  N.A.,  until June, 1997;
Chairman of the Board of Palmer National Bancorp.,  Inc. and The Palmer National
Bank from 1985 to 1996, President and Chief Executive Officer from 1983 to 1996;
Director of CERBCO, Inc. since 1991; Director of Capitol Office Solutions,  Inc.
from 1992 to June 30,  1997;  Director of the Federal  Reserve  Bank of Richmond
from 1992 to 1995.

Paul C. Kincheloe, Jr., Age 56                                                1994         Class B Common Stock
     Practicing attorney and real estate investor since 1967; Partner in the law
firm of Kincheloe and Schneiderman  since 1983;  Director of CERBCO,  Inc. since
1991;  Director of Capitol  Office  Solutions,  Inc. from 1992 to June 30, 1997;
Director of Herndon  Federal Saving & Loan from 1970 to 1983;  Director of First
Federal Savings & Loan of Alexandria from 1983 to 1989.

Jack Massar, Age 72 2/                                                        1991         Class B Common Stock
                                                                                
     Independent   business  consultant  since  1991;  President  of  Insituform
Technologies,  Inc.  (formerly  Insituform of North America,  Inc.) from 1984 to
1991 (retired January 1991),  Director from 1983 to 1987; President and Director
of NuPipe, Inc. from 1988 to 1991; Director of Insituform Mid-America, Inc. from
1983 to 1991; Director of Wellington Leisure Products, Inc. from 1991 to 1994.

Thomas J. Schaefer, Age 59 2/                                                 1981         Common Stock
                                                                                
     Independent private investor since 1995; President, Chief Executive Officer
and Director of Columbia First Bank, N.A from 1988 to 1995;  President and Chief
Executive  Officer of Signet Bank, N.A. from 1981 to 1988 and Director of Signet
Bank,  N.A.  from  1978 to 1988;  Director  of  CERBCO,  Inc.  from July 1990 to
November 1990.
- ----------------------------------------------------------------------------------------------------------------
1/    Messrs. George Wm. Erikson and Robert W. Erikson are brothers.
2/    Member of Audit Committee.


</TABLE>


<PAGE>


                      COMMITTEES OF THE BOARD OF DIRECTORS
                             AND MEETING ATTENDANCE

         The Board of Directors has an Audit Committee, the members of which are
all outside directors. The names of the committee's members are indicated in the
table  above.  The  Board of  Directors  does not have  standing  nominating  or
compensation committees, or committees performing similar functions.

         The Audit  Committee,  among its functions,  reviews the  Corporation's
financial policies and accounting systems,  reviews the scope of the independent
public  accountants'  audit,  and  approves the duties and  compensation  of the
independent  public  accountants,  both with respect to audit and any  non-audit
services.  The Audit  Committee meets with the  independent  public  accountants
outside the  presence of  corporate  management  or other  employees  to discuss
matters of concern, receive recommendations or suggestions for change and have a
free exchange of views and information.

         During the fiscal year ended June 30, 1997,  the Board of Directors met
on five  occasions.  The Audit  Committee met on two  occasions.  Each incumbent
director  attended more than 75% of both (i) the total number of meetings of the
Board of Directors, and (ii) the total number of meetings held by all committees
of the Board on which he served.

                        EXECUTIVE OFFICERS OF THE COMPANY

         Information  concerning  Messrs.  George  Wm.  Erikson  and  Robert  W.
Erikson,  who were  executive  officers  and  directors,  is provided  under the
section  entitled  "Present  Directors Who are Nominated for  Re-election."  The
following  table  sets  forth  the  name,  age,  position(s)  held and  business
experience of the individuals who were executive officers, but not directors, of
the Company throughout fiscal year 1997:

Raymond T. Verrey, Age 51
     Vice President, Treasurer and Chief Financial Officer since 1988, Principal
     Accounting  Officer since 1987;  employed by Touche Ross & Co. from 1975 to
     1987, serving as an Audit Manager from 1981 to 1987.

John F. Mulhall, Age 51
     Vice  President of Sales and  Marketing  since 1988,  Director of Sales and
     Marketing from 1987 to 1988; employed by Translogic Corporation, a material
     conveying  system  manufacturer,  from  1972 to 1987,  serving  as  Eastern
     Regional Manager from 1979 to 1987.

Gregory Laszczynski, Age 43
     Vice President of Operations  since 1989,  Director of Operations from 1987
     to 1989;  employed  by FMC  Corporation  from  1984 to 1987,  serving  as a
     Project Engineer.

Robert F. Hartman, Age 50
     Vice President of  Administration  and Secretary since 1991; Vice President
     and  Controller of CERBCO,  Inc.  since 1988,  Secretary  since 1991;  Vice
     President  and  Treasurer  of  CERBERONICS,  Inc.  since 1988;  employed by
     Dynamac  International,  Inc.  from 1985 to 1988,  serving  as  Controller;
     employed by CERBERONICS,  Inc. from 1979 to 1985, serving as Vice President
     and Treasurer from 1984 to 1985.

<PAGE>


                             EXECUTIVE COMPENSATION

JOINT COMPENSATION REPORT BY THE BOARD OF DIRECTORS

GENERAL

         Pursuant  to  the  Company's  By-laws,   the  Chief  Executive  Officer
Committee  (the "CEOC") -- consisting of the Chairman,  the Vice  Chairman,  the
President,  and such other officers of the  Corporation as may from time to time
be  determined  by the Board -- performs the  functions  of the Chief  Executive
Officer of the Company.  Since August 30, 1991, the CEOC has consisted of George
Wm. Erikson, Chairman, and Robert W. Erikson, Vice Chairman and President.

         The Company does not have a compensation committee.  The CEOC, with the
annual review and oversight of the Board,  determines the  compensation  for all
officers  of the Company  except the members of the CEOC.  The Board as a whole,
considers  compensation  arrangements  proposed  by and for members of the CEOC,
and,  pursuant  to the  By-laws,  is the  ultimate  determiner  of  compensation
arrangements  for  members  of the  CEOC.  When  considering  CEOC  compensation
arrangements,  Board  review may be  conducted  with or without the presence (or
participation)  of the CEOC  members  who are also  members  of the Board as the
Board  deems  appropriate  under  the  circumstances.  Resolutions  of the Board
altering CEOC compensation arrangements,  in any material way, are voted upon by
the Board with such CEOC  members  abstaining.  A second vote is then taken with
all directors participating.

PHILOSOPHY

         The executive compensation philosophy of the Company (which is intended
to apply to all of the  executive  officers of the Company,  including  the CEOC
members) is aimed at: (i)  attracting  and  retaining  qualified  management  to
implement the Company's  business plan; (ii)  establishing a direct link between
management  compensation  and  the  achievement  of  the  Company's  annual  and
long-term  performance  goals;  and (iii)  recognizing and rewarding  individual
initiative  and  achievement.   The  Board  and  CEOC  believe  that  management
compensation  should be set at levels  that are  competitive  with  compensation
arrangements  provided by other  companies  with which the Company  competes for
executive talent, and by other companies of similar size,  business or location.
It is also the view of the Board and the CEOC members that the  compensation  of
management  should have a significant  component  which is  contingent  upon the
Company's level of performance thereby encouraging executive officers to enhance
the  profitability  of the  Company  and thus  increase  shareholders'  value by
aligning closely the financial interests of the Company's executive officers and
those of its shareholders. The Board reviews on an annual basis the compensation
arrangements   of  the  Company's   executive   officers  to  ensure  that  such
arrangements are consistent with this executive compensation philosophy.

COMPONENTS OF COMPENSATION

         The compensation program for the Company's officers,  including members
of the CEOC,  consists of: (a) base salary; (b) incentive cash bonuses;  and (c)
compensation pursuant to plans.

         Commencing in 1994, a publicly  held  corporation  may not,  subject to
limited exceptions,  deduct for federal income tax purposes certain compensation
paid to certain  executives  in excess of $1 million  in any  taxable  year (the
"Deduction Limitation"). While the Company's compensation programs generally are
not intended to qualify for any of the  exceptions to the  applicability  of the
Deduction Limitation,  it is not expected that compensation to executives of the
Company will exceed the Deduction Limitation in the foreseeable future.



<PAGE>


         (a) Base Salary.  Typically,  the base salary level for each  executive
officer (including members of the CEOC) is considered  annually in September and
yearly  adjustments,  if any, are made effective on or about October 1st of each
year. The timing of such yearly  reviews  permits  consideration  of information
which is developed each year for the Company's annual report,  including audited
financial  statements  for the fiscal  year then  ended  June 30th.  The CEOC is
empowered to adjust the annual base salary level of  executive  officers  (other
than members of the CEOC) at other times during the year should it deem any such
adjustments  appropriate,  with such adjustments  included in the annual officer
compensation review and approvals conducted by the Board each September.

         The annual  September  review of base salary levels is  subjective.  No
specific factors, targets or criteria, such as the market value of the Company's
stock,  are  employed  in any  formula  or other  quantitative  prescription  to
determine base compensation. However, consistent with the Company's compensation
philosophy,   consideration  is  given  to  individual  initiative,   individual
achievement  and the Company's  performance,  as well as information on salaries
and other remuneration at other companies of similar size, business or location.

         Applying the Company's compensation philosophy during the annual review
in September  1996,  it was the judgment of the CEOC and the Board that the base
salary of each  executive  officer  (including  members  of the CEOC)  should be
increased by 3% effective October 1, 1996.

         (b) Incentive Cash Bonuses. In addition to base compensation, the Board
annually   considers,   at  its  sole   discretion,   the  award  of  an  annual
return-on-equity  ("ROE")  incentive  cash bonus for each of the officers of the
Company (including members of the CEOC). The incentive bonus amount, if approved
by the Board at the annual  September  review following the fiscal year in which
the ROE bonus is earned,  is calculated by multiplying the Company's  annual ROE
percentage  (net  earnings  divided by  weighted  average  equity  less  current
earnings) times the base compensation paid to the officers over the fiscal year.
The maximum annual individual incentive bonus eligible to any officer is limited
to an  upper  cap of 30% of the  officer's  base  compensation.  The  underlying
concept of the ROE bonus is to have officer incentive compensation rise and fall
in direct parallel with the Company's overall  profitability results obtained by
the officers on behalf of the shareholders.

         For the fiscal year ended June 30, 1997,  due to negative net earnings,
no incentive cash bonuses for officers were either earned or approved.

         (c) Compensation  Pursuant to Plans. Officers of the Company (including
members of the CEOC),  are eligible to  participate  in the  Employee  Advantage
Plan.  The  plan is a  non-contributory  profit  sharing  retirement  plan,  and
includes a salary reduction feature under Section 401(k) of the Internal Revenue
Code. Participation in, and benefits acquired under, the Employee Advantage Plan
are on a nondiscretionary formula basis applicable to all employees.

<PAGE>

COMPENSATION OF MEMBERS OF THE CEOC

         On September 13, 1996,  the Board approved a 3% increase in base annual
salary from $204,173 to $210,298,  effective  October 1, 1996,  for each current
member of the CEOC, namely,  George Wm. Erikson and Robert W. Erikson.  Approval
came after a review of total compensation  conducted without members of the CEOC
present.  The decision  made by the Board to increase the base annual  salary of
the CEOC members by 3% was subjective, taking into account the philosophical aim
of  setting  executive  compensation,  and was not  based  upon  any  particular
performance  criteria.  A  resolution  of the Board to increase  the base annual
salary was voted upon twice by the Board,  without and with CEOC members voting.
As a consequence of the Company's reported negative net earnings, the members of
the CEOC did not  receive  any cash  incentive  bonuses  for  fiscal  year 1997.
Members of the CEOC  participated  in the Employee  Advantage Plan during fiscal
year 1997 and received profit sharing  contributions of $11,247.  Mr. George Wm.
Erikson also received a 401(k) plan matching contribution of $366.

         In approving the compensation of the CEOC members,  the Board took into
account  that while George Wm.  Erikson and Robert W. Erikson were  devoting the
predominate  portion  of their  time and  effort to the  Company  they were also
devoting a portion of their time and effort to the parent company, CERBCO, Inc.,
and to its majority-owned  subsidiary,  Capitol Office Solutions, Inc. The Board
believes the base salary levels set for George Wm. Erikson and Robert W. Erikson
were  commensurate  with the time and effort  devoted to the  activities of, and
their duties and responsibilities with, the Company. The Board of Directors

George Wm. Erikson
Robert W. Erikson
Calvin G. Franklin
Webb C. Hayes, IV
Paul C. Kincheloe, Jr.
Jack Massar
Thomas J. Schaefer

SUMMARY COMPENSATION

         The following table sets forth information  concerning the compensation
paid by the Company to each of the named executive officers for the fiscal years
ended June 30, 1997, 1996 and 1995:

<TABLE>
<CAPTION>

                           SUMMARY COMPENSATION TABLE
                                                                                 Long-Term Compensation
                                                                                 ----------------------
                                   Annual Compensation                           Awards         Payouts
                                   -------------------                     ------------------   -------  
Name                                                 Other      Total      Restricted
and                                                  Annual     Annual       Stock   Options/    LTIP      All Other
Principal             Fiscal   Salary     Bonus   Compensation Compensation Awards     SARs     Payouts  Compensation
Position              Year      ($)        ($)      ($) 2/        ($)        ($)        (#)       ($)       ($) 3/
- ---------------------------------------------------------------------------------------------------------------------
<S>                    <C>    <C>        <C>            <C>    <C>            <C>      <C>          <C>    <C>

George Wm. Erikson     1997   $208,649   $      0       $  0   $208,649       $  0     15,000       $  0   $11,613
Chairman & General     1996    201,555     22,393          0    223,948          0     15,000          0    11,264
Counsel 1/             1995    196,555     31,457          0    228,012          0     15,000          0    12,033

Robert W. Erikson      1997   $208,649   $      0       $  0   $208,649       $  0     15,000       $  0   $11,247
President 1/           1996    201,555     22,393          0    223,948          0     15,000          0     9,014
                       1995    196,555     31,457          0    228,012          0     15,000          0    10,118

John F. Mulhall        1997   $122,073   $      0       $  0   $122,073       $  0          0       $  0   $10,492
Vice President of      1996    118,023     13,112          0    131,135          0          0          0     8,639
Sales & Marketing      1995    114,993     18,404          0    133,397          0          0          0     7,926

Gregory Laszczynski    1997   $132,850   $      0       $  0   $132,850       $  0          0       $  0   $13,130
Vice President of      1996    124,335     13,814          0    138,149          0          0          0    10,531
Operations             1995    109,756     17,564          0    127,320          0          0          0     8,308

Raymond T. Verrey      1997   $ 99,861   $      0       $  0   $ 99,861       $  0          0       $  0   $ 9,170
Vice President & Chief 1996     96,568     10,729          0    107,297          0          0          0     7,564
Financial Officer      1995     94,076     15,056          0    109,132          0          0          0     6,859

Robert F. Hartman      1997   $ 88,808   $      0       $  0   $ 88,808       $  0          0       $  0   $ 7,826
Vice President of      1996     85,891      9,542          0     95,433          0          0          0     6,665
Administration &       1995     83,664     13,390          0     97,054          0          0          0     5,754
Secretary
- --------------------------------------------------------------------------------------------------------------------
1/   The Company's Chief Executive Officer Committee, consisting of the Chairman
     and the President,  exercises the duties and  responsibilities of the Chief
     Executive Officer of the Company.
2/   None of the named executive officers received perquisites or other personal
     benefits in excess of the lesser of $50,000 or 10% of his total  salary and
     bonus.
3/   Contributions to the Insituform East, Incorporated Employee Advantage Plan,
     as described on page 9

</TABLE>

COMPENSATION PURSUANT TO PLANS

Insituform East, Incorporated Employee Advantage Plan

         The Company  maintains a  noncontributory  profit sharing  (retirement)
plan,  the  Insituform  East,  Incorporated  Employee  Advantage  Plan (the "IEI
Advantage Plan"), in which all employees not covered by a collective  bargaining
agreement  and  employed  with the Company for at least one year are eligible to
participate.  No employee is covered by a collective bargaining  agreement.  The
IEI Advantage Plan is  administered  by the Company's  Board of Directors  which
determines, at its discretion,  the amount of the Company's annual contribution.
The Insituform East Board of Directors can authorize a  contribution,  on behalf
of the Company, of up to 15% of the compensation paid to participating employees
during the year. The plan is integrated with Social Security. Each participating
employee  is  allocated  a portion of the  Company's  contribution  based on the
amount of that  employee's  compensation  plus  compensation  above FICA  limits
relative to the total  compensation  paid to all  participating  employees  plus
total compensation paid above FICA limits. Discretionary amounts allocated under
the IEI Advantage Plan begin to vest after three years of service (at which time
20% vests) and are fully vested after seven years of service.

<TABLE>
<CAPTION>

Names and Capacities in Which                                 Contributions for             Vested Percent
Cash Contributions Were Made                               Fiscal Years of 1997 1/          as of 10/16/97
- -----------------------------                              -----------------------          -------------- 
<S>                                                               <C>                            <C>
George Wm. Erikson, Chairman                                      $11,247                        100%
Robert W. Erikson, President                                       11,247                        100%
John F. Mulhall, Vice President of Sales & Marketing                9,842                        100%
Gregory Laszczynski, Vice President of Operations                  10,930                        100%
Raymond T. Verrey, Vice President & Chief Financial Officer         7,511                        100%
Robert F. Hartman, Vice President of Administration & Secretary     6,351                         80%

All Executive officers as a group (6 persons)                     $57,128                        N/A
- ----------------------------------------------------------------------------------------------------------
1/   Total  contributions  to employees of $276,123  include  Insituform  East's
     contribution of $212,409 and reallocated amounts totaling $63,714 forfeited
     by former  participants  who terminated  employment  with  Insituform  East
     during fiscal year 1997
</TABLE>

         The IEI  Advantage  Plan  includes a salary  reduction  profit  sharing
feature under Section 401(k) of the Internal  Revenue Code. Each participant may
elect to defer a portion of his  compensation by any whole percentage from 2% to
16% subject to certain limitations.  During the fiscal year ended June 30, 1997,
the Company  contributed an employer matching  contribution  equal to 25% of the
participant's deferred compensation up to a maximum of 1.5% of the participant's
total paid compensation for the fiscal year. Participants are 100% vested at all
times in their deferral and employer matching accounts.
<TABLE> 
<CAPTION>

Names and Capacities in Which                               Contributions for   Vested Percent
Cash Contributions Were Made                                Fiscal Year 1997    as of 10/16/97
- -----------------------------                               -----------------   --------------
<S>                                                               <C>                <C>

George Wm. Erikson, Chairman                                      $  366             100%
Robert W. Erikson, President                                           0             100%
John F. Mulhall, Vice President of Sales & Marketing                 650             100%
Gregory Laszczynski, Vice President of Operations                  2,200             100%
Raymond T. Verrey, Vice President & Chief Financial Officer        1,659             100%
Robert F. Hartman, Vice President of Administration & Secretary    1,475             100%

All Executive officers as a group (6 persons)                     $6,350             N/A
- ---------------------------------------------------------------------------------------------
</TABLE>


<PAGE>


1994 Board of Directors Stock Option Plan

         The  Company  adopted,  with  stockholder  approval  at the 1994 Annual
Meeting  of  Stockholders,  the  Insituform  East,  Incorporated  1994  Board of
Directors  Stock Option  Plan.  The purpose of the plan is to promote the growth
and general  prosperity  of the Company by permitting  the Company,  through the
granting  of options to  purchase  shares of its Common  Stock,  to attract  and
retain the best available persons as members of the Company's Board of Directors
with an  additional  incentive  for such persons to contribute to the success of
the Company.  The plan is  administered  and options are granted by the Board of
Directors.  Under the terms of this plan,  up to 525,000  shares of Common Stock
have been reserved for the Directors of the Company.

         Each grant of options under the plan will entitle each director to whom
such options are granted the right to purchase  15,000  shares of the  Company's
Common Stock at a designated option price, anytime and from time to time, within
five years from the date of grant.  Options are granted  under the 1994 Board of
Directors Stock Option Plan each year for five years to each member of the Board
of  Directors  serving  as such on the date of grant;  i.e.,  for each  director
serving for five years, a total of five options covering in the aggregate 75,000
shares of Common  Stock  (subject  to  adjustments  upon  changes in the capital
structure of the Company), over a five year period.

         On December  13, 1996,  options on a total of 105,000  shares of Common
Stock were granted to directors of the Company (options on 15,000 shares to each
of seven directors) at a per share price of $2.625.  No options  available under
this plan were exercised by directors of the Company during fiscal year 1997.

1989 Board of Directors Stock Option Plan

         The  Company  adopted,  with  stockholder  approval  at the 1989 Annual
Meeting  of  Stockholders,  the  Insituform  East,  Incorporated  1989  Board of
Directors  Stock Option Plan.  The purpose of this plan was the same as the 1994
Board of Directors  Stock Option Plan. The plan is  administered by the Board of
Directors.  Options  were first  granted to directors on December 1, 1989 and at
each of the four  succeeding  Board of Directors  meetings  following the Annual
Meetings of  Stockholders  in 1990,  1991, 1992 and 1993. No further options are
anticipated to be granted under this plan.

         Each grant of options  under the plan  entitles  each  director to whom
such options were granted the right to purchase  15,000  shares of the Company's
Common Stock at a designated option price, anytime and from time to time, within
five years from the date of grant.  Options previously  granted,  which have not
already  been  exercised  or expired,  will remain in effect  until  exercise or
expiration,  whichever  comes first.  The Plan will  terminate  in 1999,  unless
terminated sooner by the Board of Directors.  Under terms of this plan,  120,000
shares of Common Stock remain reserved for the directors of the Company.

         No options available under this plan were exercised by directors of the
Company during fiscal year 1997.

OPTIONS/SAR GRANTS TABLE

         No option or Stock  Appreciation  Right  grants were made to any of the
named  executive  officers  during  fiscal  year 1997  under  the 1989  Board of
Directors'  Stock  Option  Plan.  The  following  table sets  forth  information
concerning options granted to each of the named executive officers, who are also
directors,  during  fiscal  year 1997 under the 1994 Board of  Directors'  Stock
Option Plan:

<TABLE>
<CAPTION>

                     OPTIONS/SAR GRANTS IN LAST FISCAL YEAR
                                                                                         Potential Realized Value at
                                                                                        Assumed Annual Rates of Stock
                                   Individual Grants                                  Price Appreciation for Option Term
                                   -----------------                                  ----------------------------------
                                           % of Total
                                          Options/SARs
                                           Granted to     Exercised or
                         Options/SARs      Employees       Base Price        Expiration
Name                     Granted (#)     in Fiscal Year    ($/Share)            Date        5% ($)      10% ($)
- ------------------------------------------------------------------------------------------------------------------------
<S>                       <C>                 <C>            <C>              <C>           <C>         <C>
George Wm. Erikson        15,000 1/           14%            $2.625           12/30/01      $10,875     $24,045

Robert W. Erikson         15,000 1/           14%            $2.625           12/30/01      $10,875     $24,045
- ------------------------------------------------------------------------------------------------------------------------
1/ Option  grants  under the 1994 Board of  Directors  Stock  Option  Plans,  as
   described on page 10. 
</TABLE>

AGGREGATED OPTION/SAR EXERCISES AND FISCAL YEAR-END OPTION/SAR VALUE TABLE

         No option or Stock  Appreciation  Right  grants made under the 1989 and
1994  Board  of  Directors  Stock  Option  Plans to any of the  named  executive
officers were exercised  during fiscal year 1997. The following table sets forth
information concerning option or Stock Appreciation right grants held by each of
the named executive officers, who are also directors, as of June 30, 1997.
<TABLE>
<CAPTION>

                AGGREGATED OPTION/SAR GRANTS IN LAST FISCAL YEAR
                          AND FY-END OPTIONS/SAR VALUES

                                                           Number of Unexercised            Value of Unexercised
                                                              Options/SARs at             In the Money Options/SARs
                                                            Fiscal Year-End (#)             at Fiscal Year-End ($)
                                                        --------------------------        ---------------------------
                        Shares Acquired    Value
Name                    on Exercise (#)  Realized ($)   Exercisable    Unexercisable     Exercisable    Unexercisable
- ---------------------------------------------------------------------------------------------------------------------
<S>                           <C>           <C>          <C>                <C>             <C>              <C>
George Wm. Erikson            0             $ 0          75,000 1/          0               $938             $ 0

Robert W. Erikson             0             $ 0          75,000 1/          0               $938             $ 0
- ---------------------------------------------------------------------------------------------------------------------
1/   Options  exercisable  under the IEI 1989 and 1994 Board of Directors  Stock
     Option Plans, as described on page 10
</TABLE>

REPRICING OF OPTIONS/SARs

         The  Company  did not adjust or  amended  the  exercise  price of stock
options or SARs previously awarded to any of the named executive officers during
fiscal year 1997.

LONG-TERM INCENTIVE PLAN AWARDS

         The Company does not have any long-term incentive plans.

DEFINED BENEFIT OR ACTUARIAL PLANS

         The Company does not have any defined benefit or actuarial plans.

EMPLOYMENT  CONTRACTS  AND  TERMINATION  OF  EMPLOYMENT  AND   CHANGE-IN-CONTROL
ARRANGEMENTS

         There are no  employment  contracts  between  the Company and any named
executive officer.  There are no arrangements  between the Company and any named
executive officer, or payments made to an executive officer,  that resulted,  or
will result, from the resignation, retirement or other termination of employment
with the Company, in an amount that exceeded $100,000.


<PAGE>


COMPENSATION OF DIRECTORS

         Non-officer  directors  of the Company are paid an annual fee of $5,000
plus  $1,000 for each  meeting  of the Board of  Directors,  and each  committee
meeting,  attended in person.  Meetings attended by telephone are compensated at
the rate of $200.  Directors who are salaried  employees receive no remuneration
for their  service as  directors  but are eligible  with all other  directors to
participate  in the 1989 and 1994 Board of  Directors'  Stock Option  Plans,  as
described  under the  section  entitled  "Compensation  Pursuant  to Plans." All
directors of the Company are reimbursed for Company travel-related expenses.

         Mr. Jack Massar, a director of the Company since 1991, has a consulting
agreement  with the Company.  Mr. Massar  received  $35,300 from the Company for
services rendered pursuant to this agreement during fiscal year 1997. Mr. Massar
is  also  reimbursed  for  travel-related   expenses  in  connection  with  this
agreement.

COMPENSATION  COMMITTEE  INTERLOCKS AND INSIDER  PARTICIPATION  IN  COMPENSATION
DECISIONS

         The  Company's   Board  of  Directors  does  not  have  a  Compensation
Committee;  the Board of Directors serves in that capacity.  Messrs.  George Wm.
Erikson  and  Robert W.  Erikson,  both  members of the Board of  Directors  and
executive  officers  of the  Company,  holding the offices of Chairman & General
Counsel and President, respectively,  participate in and during fiscal year 1997
participated in  deliberations  of the Board of Directors  concerning  executive
officer compensation.

         Messrs.  George Wm.  Erikson and Robert W.  Erikson are both members of
the Board of Directors and executive officers of CERBCO,  Inc. In their capacity
as directors of CERBCO,  Inc.,  they  participate in and during fiscal year 1997
participated in deliberations of the CERBCO, Inc. Board of Directors  concerning
executive officer compensation for CERBCO, Inc.

PERFORMANCE GRAPH

         The  following  graph  compares  the  total  stockholder  return on the
Company's  Common  Stock to the Total  Return  Index for the NASDAQ Stock Market
(U.S.  companies) and to a Peer Group Index based on NASDAQ Stocks SIC Code 162,
"Heavy Construction, Except Highway," for the last five fiscal years.



<PAGE>
<TABLE>
<CAPTION>


       Date                                  Company Index   Market Index    Peer Index
<S>                                              <C>             <C>            <C>

     06/30/92 ................................   100.000         100.000        100.000
     07/31/92 ................................   103.448         103.541         93.942
     08/31/92 ................................   137.931         100.377         94.669
     09/30/92 ................................   124.138         104.108         93.692
     10/30/92 ................................   110.345         108.208         99.876
     11/30/92 ................................   148.276         116.819        121.538
     12/31/92 ................................   137.931         121.120        127.613
     01/29/93 ................................   134.483         124.568        121.432
     02/26/93 ................................   110.345         119.921        120.280
     03/31/93 ................................   100.000         123.392        106.777
     04/30/93 ................................    93.103         118.126        107.258
     05/28/93 ................................    86.207         125.182         99.995
     06/30/93 ................................    80.821         125.761         95.702
     07/30/93 ................................    66.765         125.909         93.475
     08/31/93 ................................    65.008         132.417         99.081
     09/30/93 ................................    61.494         136.361         97.697
     10/29/93 ................................    72.036         139.426        105.281
     11/30/93 ................................    77.307         135.267         99.663
     12/31/93 ................................    66.765         139.038         90.231
     01/31/94 ................................    70.279         143.259         96.775
     02/28/94 ................................    77.307         141.922        101.913
     03/31/94 ................................    84.335         133.195        101.198
     04/29/94 ................................    80.821         131.467        100.260
     05/31/94 ................................    73.793         131.788         99.872
     06/30/94 ................................    71.685         126.969         96.388
     07/29/94 ................................    71.685         129.573         93.423
     08/31/94 ................................    71.685         137.833         96.578
     09/30/94 ................................    75.269         137.480         96.640
     10/31/94 ................................    68.100         140.182         99.385
     11/30/94 ................................    82.437         135.532         93.087
     12/30/94 ................................    71.685         135.912         96.698
     01/31/95 ................................    78.853         136.674        103.787
     02/28/95 ................................    93.190         143.902        106.660
     03/31/95 ................................    86.022         148.167        101.996
     04/28/95 ................................   100.359         152.832        104.798
     05/31/95 ................................   121.864         156.773        110.760
     06/30/95 ................................   127.219         169.478        111.079
     07/31/95 ................................   127.219         181.935        109.990
     08/31/95 ................................   134.489         185.622        119.636
     09/29/95 ................................   149.028         189.891        117.866
     10/31/95 ................................   138.124         188.803        113.162
     11/30/95 ................................   119.950         193.236        109.321
     12/29/95 ................................   123.584         192.207        116.036
     01/31/96 ................................   119.950         193.155        108.144
     02/29/96 ................................   109.045         200.508        110.840
     03/29/96 ................................   109.045         201.173        121.497
     04/30/96 ................................   109.045         217.862        149.841
     05/31/96 ................................   112.680         227.866        179.095
     06/28/96 ................................    92.486         217.594        159.759
     07/31/96 ................................    92.486         198.213        155.613
     08/30/96 ................................    90.637         209.319        161.014
     09/30/96 ................................    90.637         225.330        181.684
     10/31/96 ................................    81.388         222.841        209.527
     11/29/96 ................................    81.388         236.617        206.613
     12/31/96 ................................    77.689         236.405        220.561
     01/31/97 ................................    96.186         253.209        247.707
     02/28/97 ................................    92.486         239.212        234.888
     03/31/97 ................................    85.088         223.595        260.433
     04/30/97 ................................    85.088         230.587        252.591
     05/30/97 ................................    81.388         256.730        264.047
     06/30/97 ................................    75.765         264.575        278.318
</TABLE>


<PAGE>


  APPOINTMENT OF INDEPENDENT PUBLIC ACCOUNTANTS

         The firm of  Deloitte  & Touche  was  engaged  to audit  the  financial
  statements  of the  Company  for the  fiscal  year  ended  June  30,  1997.  A
  representative  of  Deloitte & Touche  will be at the Meeting and will have an
  opportunity  to  make  a  statement  if he  or  she  desires  to  do  so.  The
  representative will also be available to respond to appropriate questions from
  any stockholders present at the Meeting.

         The Audit Committee of the Board of Directors has not yet  recommended,
  and the Board has not yet approved,  the  appointment  of  independent  public
  accountants  to audit the  financial  statements of the Company for the fiscal
  year ending June 30, 1998. It is  anticipated  that the Audit  Committee  will
  make its  recommendation  to the Board and that the appointment of independent
  public accountants will be made by the Board prior to June 30, 1998.

                                  OTHER MATTERS

         The Board of  Directors  is not aware of any  other  matters  which are
  likely to be brought  before the Meeting.  However,  if any other  matters are
  properly  brought before the Meeting,  it is the intention of the  individuals
  named in the enclosed form of Proxy to vote the proxy in accordance with their
  judgment on such matters.

                     ANNUAL REPORT AND FINANCIAL STATEMENTS

         Financial  statements  of the Company are  contained  in the  Company's
  Annual  Report for the fiscal  year  ended June 30,  1997,  a copy of which is
  enclosed herewith.

                  DEADLINE FOR SUBMITTING STOCKHOLDER PROPOSALS
            FOR INCLUSION IN THE BOARD'S PROXY STATEMENT IN CONNECTION
                    WITH THE FISCAL YEAR 1998 ANNUAL MEETING

         A proposal  submitted  by a  stockholder  for  action at the  Company's
  Annual Meeting of  Stockholders  for the fiscal year ending June 30, 1998 must
  be  received  no later  than June 30,  1998,  in order to be  included  in the
  Company's  Proxy  Statement for that meeting.  It is suggested that proponents
  submit their proposals by certified mail-return receipt requested.

         A proponent of a proposal must be a record or beneficial owner entitled
  to vote at the next Annual  Meeting on the  proposal  and must  continue to be
  entitled to vote through the date on which the meeting is held.

                                             By Order of the Board of Directors,




                                             Robert F. Hartman
                                             Secretary

  Landover, Maryland
  November 3, 1997


<PAGE>


  APPENDIX A

  TEXT OF COMMON STOCK PROXY CARD:

                          INSITUFORM EAST, INCORPORATED
                                3421 Pennsy Drive
                            Landover, Maryland 20785
                                 (301) 386-4100

               ANNUAL MEETING OF STOCKHOLDERS - DECEMBER 12, 1997
                              PROXY - COMMON STOCK
           THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

         The undersigned  hereby appoints G.Wm.  Erikson and R.W.  Erikson,  and
each of them, with full power of substitution, the Proxies of the undersigned to
represent and to vote, as designated on the reverse side hereof,  all the shares
of  Common  Stock  of  INSITUFORM  EAST,  INCORPORATED  held  of  record  by the
undersigned  on October 16, 1997, at the Annual  Meeting of  Stockholders  to be
held on December 12, 1997 or any adjournments thereof.

                                   (Continued and to be signed on reverse side.)

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

[ X ] Please mark your votes as in this example.

               FOR, the nominee          WITHHOLD        Nominee:  C.G. Franklin
               listed at right        authority to vote            T.J. Schaefer
                                       for the nominee
                                       listed at right


1.  Proposal -
    Election of   [    ]                  [    ]
    Directors.

(INSTRUCTION:  To indicate that you do not wish to have your shares voted for an
individual  nominee,  check the FOR box above and print the name of such nominee
on the line provided below.)

2. In their own  discretion,  the Proxies are authorized to vote upon such other
business as may properly come before the meeting.

THIS PROXY, WHEN PROPERLY EXECUTED,  WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED  SHAREHOLDER(S).  IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR PROPOSAL 1.

PLEASE SIGN, DATE AND RETURN PROMPTLY USING THE ENCLOSED ENVELOPE.

SIGNATURE            SIGNATURE (IF HELD JOINTLY)         Dated:           ,1997

NOTE:    Signature(s)   should  be  exactly  as   name(s)   appearing   on  your
         certificate.  If stock is held  jointly,  each holder  should sign.  If
         signing is by attorney, executor,  administrator,  trustee, guardian or
         corporate officer, etc., please give your full title as such.


<PAGE>



  TEXT OF CLASS B COMMON STOCK PROXY CARD:

                          INSITUFORM EAST, INCORPORATED
                                3421 Pennsy Drive
                            Landover, Maryland 20785
                                 (301) 386-4100

               ANNUAL MEETING OF STOCKHOLDERS - DECEMBER 12, 1997
                          PROXY - CLASS B COMMON STOCK
           THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

         The undersigned  hereby appoints G.Wm.  Erikson and R.W.  Erikson,  and
each of them, with full power of substitution, the Proxies of the undersigned to
represent and to vote, as designated on the reverse side hereof,  all the shares
of  Common  Stock  of  INSITUFORM  EAST,  INCORPORATED  held  of  record  by the
undersigned  on October 16, 1997, at the Annual  Meeting of  Stockholders  to be
held on December 12, 1997 or any adjournments thereof.

                                   (Continued and to be signed on reverse side.)

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

[ X ] Please mark your votes as in this example.

           FOR, the nominee         WITHHOLD       Nominee:  G.Wm. Erikson
           listed at right      authority to vote            R.W. Erikson
                                 for the nominee             W.C. Hayes, IV
                                 listed at right             P.C. Kincheloe, Jr.
                                                             J. Massar


1. Proposal -
   Election of [    ]               [    ]
   Directors.

(INSTRUCTION:  To indicate that you do not wish to have your shares voted for an
individual  nominee,  check the FOR box above and print the name of such nominee
on the line provided below.)

2. In their own  discretion,  the Proxies are authorized to vote upon such other
business as may properly come before the meeting.

THIS PROXY, WHEN PROPERLY EXECUTED,  WILL BE VOTED IN THE MANNER DIRECTED HEREIN
BY THE UNDERSIGNED  SHAREHOLDER(S).  IF NO DIRECTION IS MADE, THIS PROXY WILL BE
VOTED FOR PROPOSAL 1.

PLEASE SIGN, DATE AND RETURN PROMPTLY USING THE ENCLOSED ENVELOPE.

SIGNATURE             SIGNATURE (IF HELD JOINTLY)         Dated:           ,1997

NOTE:    Signature(s)   should  be  exactly  as   name(s)   appearing   on  your
         certificate.  If stock is held  jointly,  each holder  should sign.  If
         signing is by attorney, executor,  administrator,  trustee, guardian or
         corporate officer, etc., please give your full title as such.




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