KENDLE INTERNATIONAL INC
8-K, 1998-02-12
COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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                       SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549


                                    FORM 8-K


                                 CURRENT REPORT



     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of earliest event reported)              February 12, 1998



                            KENDLE INTERNATIONAL INC.
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


          Ohio                        000-23019                  31-1274091
- --------------------------------------------------------------------------------
(State or other jurisdiction          (Commission                (IRS Employer
     of incorporation)                File Number)           Identification No.)


               441 Vine Street, Suite 700, Cincinnati, Ohio         45202
- --------------------------------------------------------------------------------
        (Address of principal executive offices)                   Zip Code


Registrant's telephone number, including area code  (513) 381-5550



      (Former  name or former  address,  if  changed  since last report.)






<PAGE>



                                           - 2 -

Item 2. Acquisition or Disposition of Assets.

     On February 12, 1998, the Registrant  acquired all of the outstanding stock
of ACER/EXCEL Inc., headquartered in Cranford, New Jersey.  ACER/EXCEL Inc. is a
full service contract research organization, offering Phase II-IV clinical trial
management,  data  collection,  statistical  analysis,  and regulatory  document
preparation.  ACER/EXCEL Inc.  employs  approximately  140 experienced  research
professionals  in its Cranford,  New Jersey;  New London,  Connecticut;  and San
Diego,  California  offices.  It also provides drug development  services to the
Pacific Rim through a joint venture interest in a CRO  headquartered in Beijing,
China and a limited partnership in Taiwan.

     Under  the  agreement  the  Registrant  acquired  ACER/EXCEL  Inc.  for $30
million, consisting of $14.1 million from cash on hand and 987,574 shares of the
Registrant's  Common  Stock.  The  acquisition  will be accounted  for under the
purchase method of accounting.

Item 7. Financial Statements, Pro Forma Financial Information and Exhibits.

        (a)           and (b) The  Registrant  will file the required  financial
                      information no later than April 13, 1998.

        (c)           Exhibits

               2.4    Stock Purchase Agreement among Kendle  International Inc.,
                      Tzuo-Yan  Lee,  Jean C. Lee,  Michael  Minor,  Conway Lee,
                      Steven Lee, Jean C. Lee as Trustee under Trust Dated March
                      8, 1991 fbo Jennifer Lee and Citicorp  Trust-South  Dakota
                      as  Trustee  u/a May  15,  1997  m/b  Tzuo  Yan Lee  dated
                      February 11, 1998.

                                          SIGNATURES


        Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                                   KENDLE INTERNATIONAL INC.



Date:  February 12, 1998                           By:  /s/Timothy M. Mooney
                                                      ----------------------
                                                      Timothy M. Mooney
                                                      Vice President - 
                                                      Chief Financial Officer











                                                                    EXHIBIT 2.4




                            STOCK PURCHASE AGREEMENT

                                      AMONG

                           KENDLE INTERNATIONAL INC.,

                                  TZUO-YAN LEE,

                                  JEAN C. LEE,

                                 MICHAEL MINOR,

                                   CONWAY LEE,

                                   STEVEN LEE,

                             JEAN C. LEE AS TRUSTEE
                         UNDER TRUST DATED MARCH 8, 1991
                                FBO JENNIFER LEE

                                       AND

                          CITICORP TRUST - SOUTH DAKOTA
                         AS TRUSTEE U/A MAY 15, 1997 M/B
                                  TZUO YAN LEE



                                February 11, 1998


<PAGE>


                                TABLE OF CONTENTS

                                                                          Page


1.   Definitions............................................................1

2.   Purchase and Sale of ACER Shares.......................................6
     (a)    Basic Transaction. .............................................6
     (b)     Purchase Price.................................................6
     (c)    The Closing.  ..................................................8
     (d)    Deliveries at the Closing.......................................8

3.   Representations and Warranties Concerning the Transaction..............8
     (a)     Representations and Warranties of the Sellers..................8
            (i)    Organization of Certain Sellers..........................8
            (ii)   Authorization of Transaction.............................8
            (iii)  Noncontravention.........................................8
            (iv)   Brokers' Fees. ..........................................9
            (v)    Investment...............................................9
            (vi)   ACER Shares..............................................9
     (b)    Representations and Warranties of Kendle........................9
            (i)    Organization of Kendle...................................9
            (ii)   Authorization of Transaction............................10
            (iii)  Noncontravention........................................10
            (iv)   Capitalization..........................................10
            (v)    SEC Reports.............................................10
            (vi)   Brokers' Fees...........................................11
            (vii)  Investment..............................................11

4.   Representations and Warranties Concerning ACER........................11
     (a)    Organization, Qualification, and Corporate Power...............11
     (b)    Capitalization.................................................11
     (c)    Noncontravention...............................................12
     (d)    Brokers' Fees..................................................12
     (e)    Title to Assets................................................12
     (f)    Subsidiaries...................................................12
     (g)    Financial Statements...........................................13
     (h)    Events Subsequent to Most Recent Fiscal Year End...............13
     (i)    Undisclosed Liabilities........................................15
     (j)    Legal Compliance...............................................15
     (k)    Tax Matters....................................................15
     (l)    Real Property..................................................17
     (m)    Intellectual Property..........................................18
     (n)    Tangible Assets................................................20

                                         - i -

<PAGE>






     (o)    Contracts......................................................20
     (p)    Notes and Accounts Receivable..................................21
     (q)    Powers of Attorney.............................................22
     (r)    Insurance......................................................22
     (s)    Litigation.....................................................22
     (t)    Employee Benefits..............................................23
     (u)    Guaranties.....................................................25
     (v)    Environmental, Health, and Safety Matters......................25
     (w)    Certain Business Relationships with ACER.......................25
     (x)    Disclosure.....................................................26

5.   Pre-Closing Covenants.................................................26
     (a)    General........................................................26
     (b)    Notices and Consents...........................................26
     (c)    Operation of Business..........................................26
     (e)    Full Access....................................................26
     (f)    Notice of Developments.........................................26
     (g)    Exclusivity....................................................27

6.   Post-Closing Covenants................................................27
     (a)    General........................................................27
     (b)    Litigation Support.............................................27
     (d)    Confidentiality................................................28
     (e)    Kendle Shares..................................................28

7.   Conditions to Obligation to Close.....................................29
     (a)    Conditions to Obligation of Kendle.............................29
     (b)    Conditions to Obligation of the Sellers........................31

8.   Remedies for Breaches of This Agreement...............................32
     (a)    Survival of Representations and Warranties.....................32
     (b)    Indemnification Provisions for Benefit of Kendle...............33
     (c)    Indemnification Provisions for Benefit of the Sellers..........34
     (d)    Matters Involving Third Parties................................34
     (e)     Determination of Adverse Consequences.........................35
     (f)    Other Indemnification Provisions...............................35

9.   Tax Covenants.........................................................35
     (a)    Allocation of Purchase Price...................................35
     (b)    Payment of Taxes and Fees......................................36
     (c)    Taxes - Sellers................................................36
     (d)    Section 338(h)(10) Election....................................36
     (e)    FICA Tax Issue.................................................36


                                         - ii -
<PAGE>





10.  Termination...........................................................36
     (a)    Termination of Agreement.......................................36
     (b)    Effect of Termination..........................................37

11.  Miscellaneous.........................................................37
     (a)    Nature of Certain Obligations..................................37
     (b)    Press Releases and Public Announcements........................38
     (c)    No Third-Party Beneficiaries...................................38
     (d)    Entire Agreement...............................................38
     (e)    Succession and Assignment......................................38
     (f)    Counterparts...................................................38
     (g)    Headings.......................................................38
     (h)    Notices........................................................38
     (i)    Governing Law..................................................39
     (j)    Amendments and Waivers.........................................39
     (k)    Severability...................................................39
     (l)    Expenses.......................................................40
     (m)    Construction...................................................40
     (n)    Incorporation of Exhibits, Annexes, and Schedules..............40
     (o)    Specific Performance...........................................40
     (p)    Fourth Quarter 1997 Audited Financial Statements...............40



Annex I             --    Each Seller's Qualifications as an Accredited Investor
Annex II            --    Exceptions  to Kendle's Representations and Warranties
                          Concerning the Transaction
Disclosure Schedule --    Exceptions to Representations and Warranties


                                    EXHIBITS

Exhibit 2(b)           --     Escrow Agreement
Exhibit 4(g)           --     ACER Financial Statements
Exhibit 7(a)(vii)      --     Employment Agreements
Exhibit 7(a)(viii)     --     Releases
Exhibit 7(a)(ix)       --     Covenants
Exhibit 7(a)(xiii)     --     Form of Legal Opinion of Counsel to the Sellers
Exhibit 7(b)(vi)       --     Registration Rights Agreement
Exhibit 7(b)(x)        --     Form of Legal Opinion of Counsel to Kendle


                                     - iii -

<PAGE>


                            STOCK PURCHASE AGREEMENT

     THIS STOCK PURCHASE  AGREEMENT  ("Agreement") is made and entered into this
11TH day of February 1998 among KENDLE  INTERNATIONAL  INC., an Ohio corporation
("Kendle"),  TZUO-YAN LEE ("TYL"), JEAN C. LEE ("JCL"), MICHAEL MINOR ("Minor"),
CONWAY LEE ("CL"),  STEVEN LEE ("SL"), JCL, as Trustee under a Trust dated March
8, 1991 fbo  JENNIFER  LEE ("JL") and CITICORP  TRUST-SOUTH  DAKOTA,  as Trustee
under an  agreement  dated May 15,  1997 made by TYL (the  "Trust")  (TYL,  JCL,
Minor,  CL, SL, JL and the Trust  collectively,  the "Sellers").  Kendle and the
Sellers are referred to herein collectively as the "Parties".

                                    RECITALS

     A. The Sellers,  in the  aggregate,  own all of the issued and  outstanding
capital stock of ACER/EXCEL INC., a New Jersey corporation ("ACER").

     B. This Agreement  contemplates a transaction in which Kendle will purchase
from the  Sellers,  and the Sellers  will sell to Kendle,  all of the issued and
outstanding capital stock of ACER in return for cash and Kendle Shares.

     C. The Sellers and Kendle  acknowledge  their intention to make an election
under Code ss.338(h)(10) with respect to the ACER stock purchase transaction.

     NOW,   THEREFORE,   in   consideration  of  the  premises  and  the  mutual
undertakings and agreements herein made, the Parties agree as follows:

     1. Definitions.

     "ACER"  has the  meaning  set  forth in the first  recital  above and shall
include all predecessor  entities,  including Advanced Clinical  Epidemiological
Research Inc. and Excel Scientific Protocols, Inc.

     "ACER  Material  Adverse  Change" has the meaning set forth in  ss.7(a)(xi)
below.

     "ACER Share" means any share of the common stock, no par value, of ACER.

     "Accredited Investor" has the meaning set forth in Regulation D promulgated
under the Securities Act.

     "Adverse  Consequences" means all actions,  suits,  proceedings,  hearings,
investigations,  charges, complaints,  claims, demands, injunctions,  judgments,
orders, decrees, rulings,  damages, dues, penalties,  fines, costs, amounts paid
in settlement,  Liabilities,  obligations,  Taxes, liens,  losses,  expenses and
fees, including (without limitation) court costs and reasonable  attorneys' fees
and expenses.



<PAGE>




     "Affiliate"  has the  meaning  set forth in Rule  12b-2 of the  regulations
promulgated under the Securities Exchange Act.

     "Affiliated  Group" means any  affiliated  group within the meaning of Code
ss.1504(a)  or any similar  group  defined  under a similar  provision of state,
local or foreign law.

     "Basis"  means any known past or  present  fact,  situation,  circumstance,
status,  condition,  activity,  practice,  plan,  occurrence,  event,  incident,
action, failure to act or transaction that forms or could form the basis for any
specified consequence.

     "Cash Closing Payment" has the meaning set forth in ss.2(b) below.

     "Cash Escrow Amount" has the meaning set forth in ss.2(b) below.

     "Closing" has the meaning set forth in ss.2(c) below.

     "Closing Date" has the meaning set forth in ss.2(c) below.

     "Closing Shares" has the meaning set forth in ss.2(b) below.

     "Code" means the Internal Revenue Code of 1986, as amended.

     "COBRA" means the  requirements of Part 6 of Subtitle B of Title I of ERISA
and Code ss.4980B.

     "Confidential Information" has the meaning set forth in Exhibit 7(a)(ix).

     "Controlled Group" has the meaning set forth in Code ss.1563.

     "Deferred   Intercompany   Transaction"   has  the  meaning  set  forth  in
ss.4(k)(vi) below.

     "Disclosure  Schedule"  means  the  disclosure  schedule  delivered  by the
Parties  hereto  pursuant  to  ss.ss.3  and 4 below.  Nothing  contained  in the
Disclosure  Schedule  shall be deemed  adequate to disclose  an  exception  to a
representation  or  warranty  made in this  Agreement  unless the  exception  is
identified in the Disclosure Schedule with reasonable particularity,  describing
the relevant facts in reasonable detail.

     "Employee Benefit Plan" means any (a) nonqualified deferred compensation or
retirement plan or arrangement,  (b) qualified defined  contribution  retirement
plan or  arrangement  which is an Employee  Pension  Benefit Plan, (c) qualified
defined  benefit  retirement  plan or arrangement  which is an Employee  Pension
Benefit Plan (including any Multiemployer Plan), or (d) Employee Welfare Benefit
Plan or material fringe benefit or other retirement, bonus, or incentive plan or
program.



<PAGE>





     "Employee Pension Benefit Plan" has the meaning set forth in ERISA ss.3(2).

     "Employee Welfare Benefit Plan" has the meaning set forth in ERISA ss.3(1).

     "Employment Agreements" has the meaning set forth in ss.7(b)(v) below.

     "Encumbrance" means any Security Interest, warrant, option, purchase right,
preemptive  right,  or other right or claim of any character  that restricts the
transfer of capital stock.

     "Environmental Law" means any federal,  state or local statute,  law, rule,
regulation,  ordinance,  code,  policy or rule of common law now or hereafter in
effect  and in  each  case  as  amended,  and  any  judicial  or  administrative
interpretation thereof,  including any judicial or administrative order, consent
decree or judgment,  relating to the  environment,  health,  safety or Hazardous
Materials,   including  without   limitation  the  Comprehensive   Environmental
Response,  Compensation  and  Liability  Act of 1980,  as amended  ("CERCLA") 42
U.S.C. ss.9601 et seq.; the Hazardous Materials  Transportation Act, as amended,
49 U.S.C.  ss.1801 et. seq.;  the  Resource  Conservation  and Recovery  Act, as
amended, 42 U.S.C.  ss.6901 et seq.; the Federal Water Pollution Control Act, as
amended, 33 U.S.C.  ss.1251 et seq.; the Toxic Substances Control Act, 15 U.S.C.
ss.2601 et seq.; the Clean Air Act, 42 U.S.C. ss.7401 et seq.; the Safe Drinking
Water Act, 42 U.S.C.  ss.3808 et seq.; and their counterparts under any state or
local laws.

     "ERISA"  means the Employee  Retirement  Income  Security  Act of 1974,  as
amended.

     "ERISA  Affiliate"  means each entity which is treated as a single employer
with Seller for purposes of Code ss.414.

     "Escrow Agreement" has the meaning set forth in ss.2(b) below.

     "Exchange Act" has the meaning set forth in ss.3(b)(v) below.

     "Fiduciary" has the meaning set forth in ERISA ss.3(21).

     "Financial Statements" has the meaning set forth in ss.4(g) below.

     "GAAP" means United States generally accepted accounting principles,  as in
effect from time to time.

     "General Escrow Shares" has the meaning set forth in ss.2(b) below.

     "Hazardous  Materials"  means  (a) any  petroleum  or  petroleum  products,
radioactive  materials,  asbestos in any form that is or could  become  friable,
urea formaldehyde foam insulation,  transformers or other equipment that contain
dielectric fluid containing  polychlorinated  biphenyls,  and radon gas; (b) any
chemicals,  materials or substances  defined as or included in the definition of
"hazardous  substances,"  "hazardous wastes," "hazardous  materials," "extremely



<PAGE>





hazardous wastes,"  "restricted  hazardous wastes," "toxic  substances,"  "toxic
pollutants,"  "contaminants" or "pollutants," or words of similar import,  under
any  applicable  Environmental  Law;  and (c) any other  chemical,  material  or
substance  exposure  to  which  is  prohibited,  limited  or  regulated  by  any
governmental authority.

     "Indemnified Party" has the meaning set forth in ss.8(d) below.

     "Indemnifying Party" has the meaning set forth in ss.8(d) below.

     "Intellectual  Property"  means (a) all inventions  (whether  patentable or
unpatentable and whether or not reduced to practice),  all improvements  thereto
and all patents, patent applications, and patent disclosures,  together with all
reissuances,  continuations,  continuations-in-part,  revisions, extensions, and
reexaminations  thereof, (b) all trademarks,  service marks, trade dress, logos,
trade names,  together  with all  translations,  adaptations,  derivations,  and
combinations  thereof and including all goodwill associated  therewith,  and all
applications,  registrations,  and  renewals in  connection  therewith,  (c) all
copyrightable works, all copyrights,  and all applications,  registrations,  and
renewals  in  connection  therewith,  (d) all mask  works and all  applications,
registrations,  and renewals in connection therewith,  (e) all trade secrets and
confidential  business information  (including ideas,  research and development,
know-how,  formulas,  compositions,  manufacturing and production  processes and
techniques,  technical data,  designs,  drawings,  specifications,  customer and
supplier lists,  pricing and cost information,  and business and marketing plans
and  proposals),   (f)  all  computer  software   (including  related  technical
documentation),  (g) all  other  proprietary  rights,  and (h)  all  copies  and
tangible embodiments thereof (in whatever form or medium).

     "Kendle" has the meaning set forth in the preface above.

     "Kendle  Material Adverse Change" has the meaning set forth in ss.7(b)(vii)
below.

     "Kendle Shares" has the meaning set forth in ss.2(b) below.

     "Knowledge" means knowledge after reasonable investigation.

     "Liability" means any liability (whether known or unknown, whether asserted
or unasserted,  whether  absolute or contingent,  whether  accrued or unaccrued,
whether liquidated or unliquidated, and whether due or to become due), including
(without limitation) any liability for Taxes.

     "Most Recent  Balance Sheet" means the balance sheet  contained  within the
Most Recent Financial Statements.

     "Most  Recent  Financial  Statements"  has the meaning set forth in ss.4(g)
below.

     "Most Recent Fiscal Month End" has the meaning set forth in ss.4(g) below.

     "Most Recent Fiscal Year End" has the meaning set forth in ss.4(g) below.



<PAGE>





     "Multiemployer Plan" has the meaning set forth in ERISA ss.3(37).

     "Ordinary  Course of  Business"  means  the  ordinary  course  of  business
consistent with past custom and practice (including with respect to quantity and
frequency).

     "Party" has the meaning set forth in the preface above.

     "PBGC" means the Pension Benefit Guaranty Corporation.

     "Permitted  Pre-Closing  Bonuses"  means  bonuses paid by ACER prior to the
Closing in accordance  with ACER's existing bonus plan and prior practices (both
as to procedures and as to amounts).  Permitted  Pre-Closing  Bonuses shall also
include Special Bonuses.

     "Permitted   Pre-Closing   Distribution"  has  the  meaning  set  forth  in
ss.4(h)(xiii) below.

     "Person" means an  individual,  a  partnership,  a  corporation,  a limited
liability  company,  an  association,  a joint stock  company,  a trust, a joint
venture,  an  unincorporated  organization,  or a  governmental  entity  (or any
department, agency, or political subdivision thereof).

     "Process Agent" has the meaning set forth in ss.11(p) below.

     "Prohibited Transaction" has the meaning set forth in ERISA ss.406 and Code
ss.4975.

     "Purchase Price" has the meaning set forth in ss.2(b) below.

     "Registration  Rights  Agreement"  has the meaning set forth in  ss.3(a)(v)
below.

     "Release" has the meaning set forth in ss.7(a)(viii) below.

     "Reportable Event" has the meaning set forth in ERISA ss.4043.

     "Requisite Sellers" means TYL, JCL and Minor.

     "SEC" has the meaning set forth in ss.3(b)(v) below.

     "Securities Act" means the Securities Act of 1933, as amended.

     "Securities  Exchange  Act" means the  Securities  Exchange Act of 1934, as
amended.

     "Security Interest" means any mortgage, pledge, lien, encumbrance,  charge,
or other  security  interest,  other  than (a)  mechanic's,  materialmen's,  and
similar liens, (b) liens for Taxes not yet due and payable or for Taxes that the
taxpayer  is  contesting  in good faith  through  appropriate  proceedings,  (c)
purchase  money liens and liens  securing  rental  payments  under capital lease
arrangements, and (d) other liens arising in the Ordinary Course of Business and
not incurred in connection with the borrowing of money.



<PAGE>




     "Seller" has the meaning set forth in the preface above.

     "Special  Bonuses"  means  special cash  bonuses up to an  aggregate  Eight
Hundred Fifty Thousand  Dollars  ($850,000) to certain key ACER employees and in
amounts identified by ACER (and reasonably acceptable to Kendle, approval not to
be  unreasonably  withheld or  delayed);  provided,  however,  that Seller shall
either contribute  additional capital to ACER prior to the Closing in an amount,
or reduce the  Permitted  Pre-Closing  Distribution  by an amount,  equal to the
amount of the Special  Bonuses plus all payroll and other taxes or expenses ACER
will  incur  as a  result  or in  connection  with the  payment  of the  Special
Bonuses..

     "Subsidiary" means any corporation with respect to which a specified Person
(or a Subsidiary  thereof)  owns a majority of the common stock or has the power
to vote or direct the voting of sufficient securities to elect a majority of the
directors.

     "Survey" has the meaning set forth in ss.5(i) below.

     "Tax" means any federal,  state, local, or foreign income,  gross receipts,
license, payroll,  employment,  excise, severance,  stamp, occupation,  premium,
windfall  profits,  environmental  (including taxes under Code ss.59A),  customs
duties,  capital stock,  franchise,  profits,  withholding,  social security (or
similar),  unemployment,  disability,  real property,  personal property, sales,
use,  transfer,  registration,  value  added,  alternative  or  add-on  minimum,
estimated, or other tax of any kind whatsoever, including any interest, penalty,
or addition thereto, whether disputed or not.

     "Tax Escrow Fund" has the meaning set forth in ss.2(b) below.

     "Tax Escrow Shares" has the meaning set forth in ss.2(b) below.

     "Tax Liability" has the meaning set forth in ss.4(k)(vii).

     "Tax Return" means any return,  declaration,  report,  claim for refund, or
information  return or statement  relating to Taxes,  including  any schedule or
attachment thereto, and including any amendment thereof.

     "Third Party Claim" has the meaning set forth in ss.8(d) below.

     2. Purchase and Sale of ACER Shares.

               (a) Basic Transaction. On and subject to the terms and conditions
of this Agreement,  Kendle agrees to purchase from each of the Sellers, and each
of the Sellers agrees to sell to Kendle,  all of his, her or its ACER Shares for
the consideration specified below in this ss.2.

<PAGE>


               (b) Purchase Price.   At  the  Closing,  the  Buyer shall pay the
Sellers  a  purchase  price of  Thirty  Million  Dollars  ($30,000,000.00)  (the
"Purchase   Price"),   Eleven  Million  Two  Hundred  Eighty  Thousand   Dollars
($11,280,000)  of which shall be paid in cash at the Closing (the "Cash  Closing
Payment"),  Two Million Eight Hundred Twenty  Thousand  Dollars  ($2,820,000) of
which shall be paid in cash to The Fifth Third Bank,  as escrow  agent under the
Escrow  Agreement (which shall be in the form of Exhibit 2(b) hereto) (the "Cash
Escrow Amount"), Ten Million Seven Hundred Twenty Thousand Dollars ($10,720,000)
of which shall be paid to Sellers in shares of Kendle common stock, no par value
("Kendle Shares"),  valued at Sixteen and 10/100 Dollars ($16.10) per share (the
"Market Value") ("Closing  Shares"),  Two Million Dollars  ($2,000,000) of which
shall be paid to The  Fifth  Third  Bank,  as  escrow  agent  under  the  Escrow
Agreement,  in  Kendle  Shares  valued  at the  Market  Value  ("General  Escrow
Shares"),  and Three Million One Hundred Eighty Thousand Dollars ($3,180,000) of
which shall be paid to The Fifth Third  Bank,  as escrow  agent under the Escrow
Agreement,  in Kendle  Shares  valued at the Market Value ("Tax Escrow  Shares")
(the  Closing  Shares,  the  General  Escrow  Shares and the Tax  Escrow  Shares
collectively,  the  "Kendle  Share  Consideration").   Pursuant  to  the  Escrow
Agreement,  a portion of the Tax Escrow Shares may become General Escrow Shares.
The  Purchase  Price  paid to each  Seller  shall be as set forth in  Schedule I
hereto.

               (c) The Closing. The closing of the transactions  contemplated by
this  Agreement  (the  "Closing")  shall take place at the  offices of  Keating,
Muething  &  Klekamp,  PLL,  1800  Provident  Tower,  One  East  Fourth  Street,
Cincinnati,  Ohio 45202,  commencing  at 9:00 a.m.,  local  time,  on the second
business day  following  the  satisfaction  or waiver of all  conditions  to the
obligations of the Parties to consummate the  transactions  contemplated  hereby
(other than conditions with respect to actions the respective  Parties will take
at the Closing  itself) or such other date as Kendle and the  Requisite  Sellers
may mutually determine (the "Closing Date").

               (d)  Deliveries at the Closing.  At the Closing,  (i) the Sellers
will  deliver to Kendle the  various  certificates,  instruments  and  documents
referred  to in ss.7(a)  below,  (ii)  Kendle  will  deliver to the  Sellers the
various  certificates,  instruments and documents  referred to in ss.7(b) below,
(iii) each of the Sellers will deliver to Kendle stock certificates representing
all of his, hers or its ACER Shares,  endorsed in blank or  accompanied  by duly
executed assignment  documents,  and (iv) Kendle will deliver to the Sellers the
consideration specified in ss.2(b) above.

     3. Representations and Warranties Concerning the Transaction.

               (a)  Representations  and Warranties of the Sellers.  Each of the
Sellers represents and warrants to Kendle that the statements  contained in this
ss.3(a) are correct and  complete as of the date of this  Agreement  and will be
correct and  complete as of the Closing  Date (as though made then and as though
the Closing Date were substituted for the date of this Agreement throughout this
ss.3(a)) with respect to himself, herself or itself (but not with respect to any
other Seller).

                      (i)  Organization of Certain  Sellers.  If the Seller is a
        trust,  the Seller is organized,  validly  existing and in good standing
        under the laws of the jurisdiction of its organization.


                                            - x -

<PAGE>





                      (ii)  Authorization  of  Transaction.  The Seller has full
        power and  authority  (including,  if the Seller is a trust,  full trust
        power and  authority)  to execute  and  deliver  this  Agreement  and to
        perform  his,  her  or  its   obligations   hereunder.   This  Agreement
        constitutes  the valid and  legally  binding  obligation  of the Seller,
        enforceable in accordance with its terms and conditions. The Seller need
        not  give  any  notice  to,  make  any  filing   with,   or  obtain  any
        authorization,  consent,  or approval of any government or  governmental
        agency in order to  consummate  the  transactions  contemplated  by this
        Agreement.

                      (iii)  Noncontravention.  Neither  the  execution  and the
        delivery of this Agreement,  nor the  consummation  of the  transactions
        contemplated  hereby,  will  (A)  violate  any  constitution,   statute,
        regulation,  rule, injunction,  judgment, order, decree, ruling, charge,
        or other restriction of any government, governmental agency, or court to
        which the Seller is subject or, if the Seller is a trust,  any provision
        of its organizational documents or (B) conflict with, result in a breach
        of, constitute a default under, result in the acceleration of, create in
        any party the right to  accelerate,  terminate,  modify,  or cancel,  or
        require  any  notice  under any  agreement,  contract,  lease,  license,
        instrument,  or other  arrangement  to which the Seller is a party or by
        which he,  she or it is bound or to which any of his,  her or its assets
        is subject.

                      (iv) Brokers' Fees.  Other than liability or obligation to
        KPMG/Century  Capital  Associates  (which shall be the  liability of the
        Sellers and not of ACER or of Kendle),  the Seller has no  Liability  or
        obligation  to pay any fees or  commissions  to any broker,  finder,  or
        agent with respect to the  transactions  contemplated  by this Agreement
        for which Kendle could become liable or obligated.

                      (v)  Investment.   Each  Seller   receiving  Kendle  Share
        Consideration  (A) understands that Kendle Share  Consideration  has not
        been, and will not be, registered under the Securities Act, or under any
        state  securities laws, other than subsequent to the Closing pursuant to
        the terms and conditions set forth in the Registration  Rights Agreement
        among Kendle and certain Sellers to be executed and delivered at Closing
        in the  form  of  Exhibit  7(b)(vi)  hereto  (the  "Registration  Rights
        Agreement"), and are being offered and sold in reliance upon federal and
        state exemptions for transactions not involving any public offering, (B)
        is  acquiring  Kendle  Shares  solely  for  his or her own  account  for
        investment  purposes,  and not with a view to the distribution  thereof,
        (C)  is a  sophisticated  investor  with  knowledge  and  experience  in
        business and financial  matters,  (D) has received  certain  information
        concerning  Kendle  and has had the  opportunity  to  obtain  additional
        information  as  desired in order to  evaluate  the merits and the risks
        inherent in holding Kendle Shares, (E) is able to bear the economic risk
        and lack of liquidity  inherent in holding Kendle  Shares,  and (F) with
        respect to TYL and JCL only, is an  Accredited  Investor for the reasons
        set forth on Annex I.

                      (vi) ACER  Shares.  The  Seller  holds of record  and owns
        beneficially the number of ACER Shares set forth next to his, her or its
        name in  ss.4(b)  of the  Disclosure  Schedule,  free  and  clear of any
        Encumbrances other than restrictions on transfer imposed by federal  and


<PAGE>



          state securities laws and  regulations).  The Seller is not a party to
          any voting trust,  proxy,  or other  agreement or  understanding  with
          respect to the voting of any capital stock of ACER.

               (b) Representations  and Warranties of Kendle.  Kendle represents
and  warrants to the Sellers that the  statements  contained in this ss.3(b) are
correct and  complete as of the date of this  Agreement  and will be correct and
complete as of the  Closing  Date (as though made then and as though the Closing
Date were substituted for the date of this Agreement throughout this ss.3(b)).

                      (i)  Organization  of  Kendle.  Kendle  is  a  corporation
        organized,  validly  existing and in good standing under the laws of the
        State of Ohio.

                      (ii)  Authorization of Transaction.  Kendle has full power
        and authority  (including full corporate power and authority) to execute
        and deliver this  Agreement  and to perform its  obligations  hereunder.
        This Agreement  constitutes the valid and legally binding  obligation of
        Kendle,  enforceable  in  accordance  with  its  terms  and  conditions.
        Assuming  the  truth  and  correctness  of the  Seller's  statements  in
        ss.3(a)(v) of this  Agreement,  Kendle need not give any notice to, make
        any filing with, or obtain any  authorization,  consent,  or approval of
        any  government  or  governmental  agency  in  order to  consummate  the
        transactions contemplated by this Agreement.

                      (iii)  Noncontravention.  Neither  the  execution  and the
        delivery of this Agreement,  nor the  consummation  of the  transactions
        contemplated  hereby,  will  (A)  violate  any  constitution,   statute,
        regulation,  rule, injunction,  judgment, order, decree, ruling, charge,
        or other restriction of any government, governmental agency, or court to
        which Kendle is subject or any provision of its charter or bylaws or (B)
        conflict with, result in a breach of, constitute a default under, result
        in the  acceleration  of,  create in any party the right to  accelerate,
        terminate,  modify,  or cancel, or require any notice under any material
        agreement, contract, lease, license, instrument, or other arrangement to
        which  Kendle  is a party or by which it is bound or to which any of its
        assets is subject.

                      (iv) Capitalization. Kendle's authorized equity securities
        consist of Fifteen Million  (15,000,000)  shares of common stock, no par
        value  per  share,  and  One  Hundred   Thousand   (100,000)  shares  of
        undesignated  preferred  stock,  no par value per share. As of September
        30, 1997,  Seven  Million Five Hundred  Fifty Two Thousand  Five Hundred
        Sixty  Seven  (7,552,567)   shares  of  common  stock  were  issued  and
        outstanding  and no shares of  undesignated  preferred stock were issued
        and outstanding.  The Kendle Shares to be received by certain Sellers in
        connection  with  the  transactions  contemplated  hereby  will  be duly
        authorized,  validly  issued,  fully paid and  non-assessable  shares of
        common  stock  free and  clear of any and all  Encumbrances  other  than
        restrictions  on transfer  imposed by federal and state  securities laws
        and regulations.

                      (v)  SEC  Reports.   Kendle  has  timely  filed  with  the
        Securities and Exchange  Commission  ("SEC") all materials and documents



<PAGE>



          required to be filed by it under the  Securities  Exchange Act of 1934
          (the "Exchange  Act").  All the materials and documents filed with the
          SEC by Buyer since July 2, 1997,  including  its initial  Registration
          Statement on Form S-1, are hereinafter  referred to as the "Kendle SEC
          Reports." Section 3(b) of the Disclosure Schedule lists all the Kendle
          SEC  Reports  filed on or prior  to the  date of this  Agreement.  The
          Kendle  SEC  Reports,  copies  of which  have  been  delivered  to the
          Sellers, are true and correct in all material respects,  including the
          financial  statements  and  other  financial   information   contained
          therein,  and do not omit to state any material fact necessary to make
          the   statements  in  such  Kendle  SEC  Reports,   in  light  of  the
          circumstances  in which they were made, not misleading.  The financial
          statements  included in the Kendle SEC Reports  fairly  present in all
          material   respects  the  financial   condition  and  the  results  of
          operations,  changes in  stockholders'  equity and cash flow of Kendle
          and its subsidiaries as at the respective dates of and for the periods
          referred to in such financial statements, all in accordance with GAAP.
          Since the date of the most recent Kendle SEC Report, there has been no
          Kendle Material Adverse Change.

                      (vi) Brokers' Fees.  Kendle has no Liability or obligation
        to pay any fees or  commissions  to any  broker,  finder,  or agent with
        respect to the transactions contemplated by this Agreement for which any
        Seller could become liable or obligated.

                      (vii) Investment. Kendle is not acquiring ACER Shares with
        a view to or for sale in connection with any distribution thereof within
        the meaning of the Securities Act.

     4.  Representations and Warranties  Concerning ACER. The Requisite Sellers,
jointly and  severally,  represent  and  warrant to Kendle  that the  statements
contained in this ss.4 are correct and complete as of the date of this Agreement
and will be correct and complete as of the Closing Date (as though made then and
as though  the  Closing  Date were  substituted  for the date of this  Agreement
throughout this ss.4), except as set forth in the Disclosure Schedule.

               (a) Organization,  Qualification,  and Corporate Power. ACER is a
corporation  organized,  validly existing and in good standing under the laws of
the  jurisdiction  of its  incorporation.  ACER is duly  authorized  to  conduct
business and is in good standing under the laws of each  jurisdiction  set forth
in ss.4(a) of the Disclosure Schedule and the failure to so qualify in any other
jurisdiction  will not result in an ACER Material Adverse Change.  ACER has full
corporate  power and  authority and all licenses,  permits,  and  authorizations
necessary  to carry on the  businesses  in which it is  engaged  and in which it
presently proposes to engage and to own and use the properties owned and used by
it. Section 4(a) of the Disclosure  Schedule lists the directors and officers of
ACER. The Sellers have  delivered to Kendle  correct and complete  copies of the
charter and bylaws of ACER (as amended to date).  The minute  books  (containing
the records of  meetings of the  stockholders,  the board of  directors  and any
committees of the board of directors), the stock certificate books and the stock
record books of ACER are correct and  complete.  ACER is not in default under or
in violation of any provision of its charter or bylaws.

               (b) Capitalization. The authorized capital stock of ACER consists
of Five  Thousand  (5,000)  ACER  Shares,  of which Four  Thousand  Four Hundred




<PAGE>




Forty-Four  (4,444)ACER Shares are issued and outstanding and no (0) ACER Shares
are held in treasury.  All of the issued and  outstanding  ACER Shares have been
duly authorized, are validly issued, fully paid and nonassessable,  and are held
of record and beneficially by the respective  Sellers as set forth in ss.4(b) of
the  Disclosure  Schedule.  Except as set  forth in  ss.4(b)  of the  Disclosure
Schedule,  there are no outstanding or authorized  options,  warrants,  purchase
rights,  subscription  rights,  conversion  rights,  exchange  rights,  or other
contracts or  commitments  that could require ACER to issue,  sell, or otherwise
cause to become  outstanding any of its capital stock.  There are no outstanding
or authorized  stock  appreciation,  phantom  stock,  profit  participation,  or
similar  rights with respect to ACER.  ACER is not a party to any voting trusts,
proxies, or other agreements or understandings with respect to the voting of the
capital stock of ACER.

               (c)  Noncontravention.  Neither the execution and the delivery of
this Agreement,  nor the consummation of the transactions  contemplated  hereby,
will (i)  violate  any  constitution,  statute,  regulation,  rule,  injunction,
judgment, order, decree, ruling, charge, or other restriction of any government,
governmental  agency,  or court to which ACER is subject or any provision of the
charter  or  bylaws  of ACER or (ii)  conflict  with,  result  in a  breach  of,
constitute a default under,  result in the  acceleration of, create in any party
the right to accelerate,  terminate,  modify,  or cancel,  or require any notice
under any  agreement,  contract,  lease,  license  instrument to which ACER is a
party or by which it is bound or to which any of its assets is subject; or (iii)
result in the imposition of any Security  Interest upon any of its assets.  ACER
does not need to give any  notice  to,  make any  filing  with,  or  obtain  any
authorization,  consent, or approval of any government or governmental agency in
order for the  Parties  to  consummate  the  transactions  contemplated  by this
Agreement.

               (d) Brokers' Fees. ACER has no Liability or obligation to pay any
fees or  commissions  to any  broker,  finder,  or  agent  with  respect  to the
transactions contemplated by this Agreement.

               (e) Title to Assets.  ACER has good and marketable title to, or a
valid  leasehold  interest in, the properties and assets used by it, or shown on
the Most Recent Balance Sheet or acquired after the date thereof, free and clear
of all Security  Interests,  excepting only properties and assets disposed of in
the Ordinary  Course of Business since the date of the Most Recent Balance Sheet
and certain other  properties  and assets  involving in the aggregate  more than
Twenty Five Thousand Dollars ($25,000.00) disposed of other than in the Ordinary
Course of Business as disclosed on the Disclosure Schedule.

               (f) Subsidiaries.  ACER has no Subsidiaries.  Section 4(f) of the
Disclosure  Schedule sets forth the name and  jurisdiction of  incorporation  or
organization  of each  corporation or other entity in which ACER has a direct or
indirect  equity or  ownership  interest in any  business and the number of (and
percentage of outstanding)  shares or other interests owned by ACER. All of such
shares or other  interests  are owned free and clear of any  Encumbrances  other
than  restrictions on transfer imposed by foreign,  federal and state securities
laws and  regulations  and such shares or other  interests are duly  authorized,
validly  issued,  fully paid and  non-assessable  and do not  subject the holder
thereof to further  liability for capital  contributions.  Each  corporation  or
other entity listed on ss.4(f) of the Disclosure  Schedule  validly exists,  has




<PAGE>




been duly incorporated or organized under applicable law and is in good standing
(or the local law equivalent).  To the knowledge of the Requisite Sellers,  each
such corporation or other entity has full corporate or other power and authority
and possesses all licenses, permits and authorizations necessary for it to carry
on the  business  in which it is engaged and in which it  presently  proposes to
engage and to own and use the properties owned and used by it. ACER is not party
to any voting trusts, proxies or other agreements or understandings with respect
to the voting  trusts,  proxies,  or other  agreements  or  understandings  with
respect to the voting or capital stock of any such corporation or entity.  Prior
to Closing,  the Requisite Sellers shall deliver to Kendle:  (A) true,  complete
and correct  copies of the  charter or other  organizational  documents  of each
corporation  or other entity listed on ss.4(f) of the Disclosure  Schedule;  and
(B)  copies  of  all  material  financial   information  with  respect  to  such
corporations  or other entities in the possession of or under the control of the
Requisite Sellers.

               (g) Financial Statements. Attached hereto as Exhibit 4(g) are the
following financial statements  (collectively the "Financial  Statements"):  (i)
unaudited  balance  sheets and  statements of income,  changes in  stockholders'
equity and cash flow for ACER as of and for the fiscal years ended  December 31,
1994 and December  31,  1995;  (ii) audited  balance  sheets and  statements  of
income,  changes in  stockholders'  equity and cash flow for ACER for the fiscal
year ended  December  31, 1996 (the "Most  Recent  Fiscal Year End");  and (iii)
audited balance sheets and statements of income, changes in stockholders' equity
and cash flow (the "Most Recent  Financial  Statements")  as of and for the nine
(9) months ended  September  30, 1997 (the "Most  Recent  Fiscal Month End") for
ACER.  The Financial  Statements for the fiscal year ended December 31, 1996 and
the Most Recent  Financial  Statements  (including  the notes thereto) have been
prepared in accordance  with GAAP applied on a consistent  basis  throughout the
periods covered thereby,  present fairly in all material  respects the financial
condition  of ACER as of such dates and the  results of  operations  of ACER for
such periods and are  consistent  with the books and records of ACER;  provided,
however,  that the Most  Recent  Financial  Statements  are  subject  to  normal
year-end  adjustments  (which  will  not  be  material  individually  or in  the
aggregate) and lack footnotes and other presentation items. The work in progress
line items  reflected  on the  Financial  Statements  for the fiscal  year ended
December  31,  1996  and on  the  Most  Recent  Financial  Statements  or on the
accounting  records  of  ACER  as of the  Closing  accurately  allocate  or will
accurately  allocate income and costs, at historical cost, to bona fide projects
conducted  for  unaffiliated  parties  for the  periods to which such  Financial
Statements or  accounting  records  pertain and make adequate  provision for any
expected losses on such projects.

               (h) Events  Subsequent to Most Recent Fiscal Year End.  Except as
set forth in ss.4(h) of the Disclosure Schedule, since September 30, 1997, there
has not been any ACER Material  Adverse Change.  Without limiting the generality
of the foregoing, since that date:

                      (i) ACER has not sold,  leased,  transferred,  or assigned
        any of its assets,  tangible or  intangible,  involving in the aggregate
        more than Twenty Five  Thousand  Dollars  ($25,000.00)  other than for a
        fair consideration in the Ordinary Course of Business;

                      (ii) other than  agreements and contracts with  customers,
        as to  which  Five  Hundred  Thousand  Dollars  ($500,000)  shall be the



<PAGE>



     disclosure threshold for ss.4(h) of the Disclosure  Schedule,  ACER has not
     entered  into any  agreement,  contract,  lease,  or license  (or series of
     related agreements,  contracts, leases, and licenses) either involving more
     than Twenty Five Thousand Dollars  ($25,000) or outside the Ordinary Course
     of Business;

                      (iii)  no  party   (including   ACER)   has   accelerated,
        terminated,  modified,  or canceled any agreement,  contract,  lease, or
        license  (or  series  of  related  agreements,  contracts,  leases,  and
        licenses)  involving more than Twenty Five Thousand Dollars ($25,000) to
        which ACER is a party or by which it is bound;

                      (iv) ACER has not imposed or  permitted  to be imposed any
        Security Interest upon any of its assets, tangible or intangible;

                      (v) ACER has not made any capital  expenditure  (or series
        of related capital  expenditures) either involving more than Twenty Five
        Thousand Dollars ($25,000) or outside the Ordinary Course of Business;

                      (vi) ACER has not made any capital investment in, any loan
        to, or any  acquisition of the securities or assets of, any other Person
        (or series of related  capital  investments,  loans,  and  acquisitions)
        either  involving  more than Twenty Five Thousand  Dollars  ($25,000) or
        outside the Ordinary Course of Business;

                      (vii) ACER has not issued any Share,  bond,  or other debt
        security or created,  incurred,  assumed, or guaranteed any indebtedness
        for borrowed money or capitalized lease obligation either involving more
        than  Twenty  Five  Thousand  Dollars  ($25,000)  singly or Twenty  Five
        Thousand Dollars ($25,000) in the aggregate;

                      (viii)  ACER has not delayed or  postponed  the payment of
        accounts  payable and other  Liabilities  outside the Ordinary Course of
        Business;

                      (ix)  ACER  has  not  canceled,  compromised,  waived,  or
        released  any right or claim (or  series of related  rights and  claims)
        either  involving  more than Twenty Five Thousand  Dollars  ($25,000) or
        outside the Ordinary Course of Business;

                      (x) ACER has not granted any license or  sublicense of any
        rights under or with respect to any Intellectual Property;

                      (xi) there has been no change  made or  authorized  in the
        charter or bylaws of ACER;


                      (xii) other than  distributions to the Sellers,  or any of
        them, however characterized  (excluding equalizing  distributions in the
        aggregate  amount of  Forty-Five  Thousand Five Hundred  Ninety-Two  and
        00/100 Dollars  ($45,592.00) and  distributions in the form of customary
        compensation, but including the sum of approximately Two Hundred



<PAGE>





        Seventy  Five  Thousand  Dollars  ($275,000)  paid to TYL)  prior to the
        Closing not to exceed Two Million Eight Hundred Fifty  Thousand  Dollars
        ($2,850,000),  hereby  expressly  permitted (the "Permitted  Pre-Closing
        Distribution"),  ACER has not declared,  set aside, or paid any dividend
        or made any  distribution  with respect to its capital stock (whether in
        cash or in kind) or redeemed,  purchased,  or otherwise  acquired any of
        its capital stock;

                      (xiii) ACER has not experienced  any damage,  destruction,
        or loss  (whether or not covered by insurance) to its property in excess
        of Twenty Five Thousand Dollars ($25,000);

                      (xiv)  ACER  has not  made  any  loan  (that  will  remain
        outstanding  on the  Closing  Date)  to or  with  any of its  directors,
        officers, and employees outside the Ordinary Course of Business;

                      (xv) ACER has not entered into any employment  contract or
        collective bargaining agreement, written or oral, or changed or modified
        the terms of any existing such contract or agreement;

                      (xvi) other than the Permitted Pre-Closing Bonuses and the
        Permitted Pre-Closing Distribution, ACER has not granted any increase in
        the base compensation of any of its directors,  officers,  and employees
        outside the Ordinary Course of Business;

                      (xvii)  ACER  has  not  adopted,  amended,   modified,  or
        terminated any bonus,  profit-sharing,  incentive,  severance,  or other
        plan,  contract,  or commitment for the benefit of any of its directors,
        officers,  and  employees  (or taken any such action with respect to any
        other Employee Benefit Plan);

                      (xviii)ACER has not made or pledged to make any charitable
        or other capital contribution outside the Ordinary Course of Business;

                      (xix)  there has not been any other  material  occurrence,
        event or transaction outside the Ordinary Course of Business; and,

                      (xx) ACER has not committed to any of the foregoing.

               (i) Undisclosed Liabilities.  ACER has no Liability (and there is
no  Basis  for  any  present  or  future  action,  suit,  proceeding,   hearing,
investigation,  charge,  complaint,  claim, or demand against any of them giving
rise to any Liability), that individually or in the aggregate is material to the
results of operations or the financial or other condition of ACER except for (i)
Liabilities  reflected or reserved  against on the Most Recent  Balance Sheet or
described  on ss.4(i)  of the  Disclosure  Schedule  or in the notes to the Most
Recent Financial  Statements;  or (ii)  Liabilities  which have arisen after the
Most Recent Fiscal Month End in the Ordinary  Course of Business  (none of which
results from,  arises out of or was caused by any breach by ACER of any contract
or  warranty,  by any ACER tort or  infringement  or by any  violation of law by
ACER).



<PAGE>





               (j) Legal Compliance.  ACER has complied with all applicable laws
(including rules,  regulations,  codes, plans, injunctions,  judgments,  orders,
decrees,  rulings, and charges thereunder) of federal, state, local, and foreign
governments  (and all  agencies  thereof),  except  where such failure to comply
would not,  individually  or in the  aggregate,  have an ACER  Material  Adverse
Effect;  and to the Knowledge of the  Requisite  Sellers,  and no action,  suit,
proceeding, hearing, investigation,  charge, complaint, claim, demand, or notice
has been filed or  commenced  against any of them  alleging  any such failure to
comply.

               (k)    Tax Matters.

                      (i) ACER has filed all Tax Returns that it was required to
        file.  All such Tax Returns were  correct and complete in all  respects.
        All Taxes owed by ACER  (whether  or not shown on any Tax  Return)  have
        been paid.  ACER is not  currently the  beneficiary  of any extension of
        time within which to file any Tax Return. No claim has ever been made by
        an authority in a jurisdiction where ACER does not file Tax Returns that
        it is or may be subject to taxation by that  jurisdiction.  There are no
        Security Interests on any of the assets of ACER that arose in connection
        with any failure (or alleged failure) to pay any Tax.

                      (ii) ACER has withheld and paid all Taxes required to have
        been withheld and paid in  connection  with amounts paid or owing to any
        employee, independent contractor,  creditor, stockholder, or other third
        party.

                      (iii) No  Seller  or  director  or  officer  (or  employee
        responsible for Tax matters) of ACER expects any authority to assess any
        additional  Taxes for any period for which Tax Returns  have been filed.
        There is no dispute or claim concerning any Tax Liability of ACER either
        (A) claimed or raised by any authority in writing or (B) as to which any
        of the Sellers and the directors and officers (and employees responsible
        for Tax matters) of ACER has Knowledge based upon personal  contact with
        any agent of such  authority.  ss.4(k) of the Disclosure  Schedule lists
        all federal,  state,  local,  and foreign  income Tax Returns filed with
        respect to ACER  (including  Tax Returns  filed by a Seller  relating to
        ACER  activities)  for taxable  periods  ended on or after  December 31,
        1995,  indicates those Tax Returns that have been audited, and indicates
        those Tax Returns that  currently are the subject of audit.  The Sellers
        have  delivered  to Kendle  correct and  complete  copies of all federal
        income Tax Returns,  examination reports, and statements of deficiencies
        assessed against or agreed to by ACER since December 31, 1995.

                      (iv) ACER has not waived any  statute  of  limitations  in
        respect of Taxes or agreed to any  extension  of time with  respect to a
        Tax assessment or deficiency.

                      (v) ACER has not  filed a  consent  under  Code  ss.341(f)
        concerning collapsible corporations.  ACER has not made any payments, is
        obligated  to make any  payments,  or is a party to any  agreement  that
        under certain  circumstances could obligate it to make any payments that
        will not be deductible  under Code  ss.280G.  ACER has not been a United
        States  real  property  holding  corporation  within the meaning of Code
        ss.897(c)(2)



<PAGE>





        during the applicable period specified in Code ss.897(c)(1)(A)(ii). ACER
        has  disclosed  on its federal  income Tax Returns all  positions  taken
        therein that could give rise to a substantial  understatement of federal
        income Tax within the  meaning of Code  ss.6662.  ACER is not a party to
        any Tax allocation or sharing agreement.  ACER (A) has not been a member
        of an Affiliated  Group filing a consolidated  federal income Tax Return
        (other than a group the common parent of which was ACER) or (B) does not
        have any  Liability  for the Taxes of any  Person  (other  than of ACER)
        under Reg.  ss.1.1502-6  (or any similar  provision of state,  local, or
        foreign law), as a transferee or successor, by contract, or otherwise.

                      (vi) ACER has maintained  its status as a "small  business
        corporation"  within the meaning of Code ss.  1361(b) and any comparable
        provisions of state or local law at all times since the  effective  date
        of the  election of such  status,  January 3, 1989.  The validity of the
        election  of "S  Corporation"  status  has not  been  challenged  by the
        Internal  Revenue  Service nor is there any Basis for such a  challenge.
        Since January 3, 1989, except as set forth in ss. 4(k) of the Disclosure
        Schedule,  ACER  has not been  taxed  other  than as a  "small  business
        corporation."

                      (vii) No tax authority in any  jurisdiction  in which ACER
        do not file Tax  Returns  has made or asserted a claim that ACER (or any
        Seller)  is  subject  to  taxation  in that  jurisdiction  based  on the
        activities of ACER.

                      (viii)  ACER has not  agreed to,  and is not  required  to
        include in its income,  any  adjustment  pursuant to Code ss. 481(c) (or
        comparable  provisions  of any state or local law) by reason of a change
        in accounting method or otherwise.

                      (ix) The unpaid  Taxes of ACER (A) did not, as of the Most
        Recent Fiscal Month End, exceed the reserve for Tax Liability (including
        any reserve for deferred Taxes established to reflect timing differences
        between  book and Tax  income)  set forth on the face of the Most Recent
        Balance Sheet  (including  any notes thereto) and (B) do not exceed that
        reserve as adjusted  for the passage of time through the Closing Date in
        accordance with the past custom and practice of ACER in filing their Tax
        Returns.

                      (x) The facts stated in the private  letter ruling request
        (the  "Ruling  Request")  filed by  Sellers  with the  Internal  Revenue
        Service ("IRS") with respect to the possible inadvertent  termination of
        ACER's  "small  business  corporation"  or Subchapter S status are true,
        complete and correct in all material respects and the Ruling Request was
        duly filed with the IRS on February 11, 1998.

               (l)    Real Property.

                      (i)    ACER owns no real property.

                      (ii) ss.4(l)(ii) of the Disclosure Schedule lists all real
         property leased or subleased to any of ACER. The Sellers have delivered




<PAGE>




          to Kendle  correct  and  complete  copies of the leases and  subleases
          listed in ss.4(l)(ii) of the Disclosure Schedule (as amended to date).
          With respect to each lease and sublease  listed in  ss.4(l)(ii) of the
          Disclosure Schedule:

                             (A) to the Knowledge of the Requisite Sellers,  the
               lease or sublease  is in full force and effect and will  continue
               to be in full force and effect on identical  terms  following the
               consummation of the transactions contemplated hereby;

                             (B)  no  party  to  the  lease  or  sublease  is in
               material breach or material  default or has repudiated such lease
               or  sublease,  and no event has  occurred  which,  with notice or
               lapse of time,  would  constitute  a material  breach or material
               default  or permit  termination,  modification,  or  acceleration
               thereunder;

                             (C) ACER has not assigned,  transferred,  conveyed,
               mortgaged,  deeded in trust,  or  encumbered  any interest in the
               leasehold or subleasehold;

                             (D) all facilities  leased or subleased  thereunder
               are  supplied  with  utilities  and other  services  and have all
               licenses  and permits  that are  material  for the  operation  of
               ACER's business as presently  conducted  thereat and as presently
               proposed to be conducted thereat; and

                             (E) to the Knowledge of the Requisite Sellers,  the
               owner of each  facility  leased or subleased to ACER has good and
               marketable title to the parcel of real property free and clear of
               any Security  Interest other than Security  Interests that do not
               materially impair ACER's use of such facility.

               (m)    Intellectual Property.

                      (i) ACER owns or has the right to use pursuant to license,
        sublicense,  agreement,  or permission all Intellectual Property that is
        material  to the  operation  of the  businesses  of  ACER  as  presently
        conducted and as presently proposed to be conducted. Except as set forth
        on  ss.4(m)  of the  Disclosure  Schedule,  each such  material  item of
        Intellectual  Property  will be  owned or  available  for use by ACER on
        identical  terms and  conditions  immediately  subsequent to the Closing
        hereunder.

                      (ii) None of the  Requisite  Sellers and the directors and
        officers (and employees with  responsibility  for Intellectual  Property
        matters) of ACER has ever received any charge, complaint, claim, demand,
        or    notice    alleging    any   such    interference,    infringement,
        misappropriation,  or  violation  (including  any claim that any of ACER
        must license or refrain from using any  Intellectual  Property rights of
        any third party).  To the Knowledge of any of the Requisite  Sellers and
        the  directors  and officers  (and  employees  with  responsibility  for
        Intellectual  Property  matters) of ACER, no third party has  interfered
        with, infringed upon,  misappropriated,  or otherwise come into conflict
        with any Intellectual Property rights of any of ACER.




<PAGE>





                      (iii) ss.4(m)(iii) of the Disclosure  Schedule  identifies
        each patent or  registration  which has been issued to ACER with respect
        to any of its  Intellectual  Property,  identifies  each pending  patent
        application or  application  for  registration  which ACER has made with
        respect  to  any of  its  Intellectual  Property,  and  identifies  each
        license,  agreement,  or other  permission which ACER has granted to any
        third party with respect to any of its Intellectual  Property  (together
        with any  exceptions).  The Requisite  Sellers have  delivered to Kendle
        correct  and  complete  copies  of  all  such  patents,   registrations,
        applications, licenses, agreements, and permissions (as amended to date)
        and have made  available to Kendle  correct and  complete  copies of all
        other written  documentation  evidencing  ownership and  prosecution (if
        applicable) of each such item.  ss.4(m)(iii) of the Disclosure  Schedule
        also identifies  each trade name or unregistered  trademark used by ACER
        in connection with any of its  businesses.  With respect to each item of
        Intellectual  Property  required to be identified in ss.4(m)(iii) of the
        Disclosure Schedule:

                             (A) ACER has all right,  title, and interest in and
               to the item, free and clear of any Security Interest, license, or
               other restriction;

                             (B) the  item  is not  subject  to any  outstanding
               injunction, judgment, order, decree, ruling, or charge;

                             (C)   no   action,   suit,   proceeding,   hearing,
               investigation, charge, complaint, claim, or demand is pending or,
               to  the  Knowledge  of  any  of the  Requisite  Sellers  and  the
               directors and officers (and  employees  with  responsibility  for
               Intellectual  Property  matters)  of ACER,  is  threatened  which
               challenges  the  legality,  validity,  enforceability,   use,  or
               ownership of the item; and

                             (D) ACER has not agreed to indemnify any Person for
               or against any interference,  infringement,  misappropriation, or
               other conflict with respect to the item.

                      (iv)  ss.4(m)(iv)  of the Disclosure  Schedule  identifies
        each item of  Intellectual  Property  that any third party owns and that
        ACER uses pursuant to license, sublicense, agreement, or permission. The
        Requisite  Sellers have delivered to Kendle correct and complete  copies
        of all such  licenses,  sublicenses,  agreements,  and  permissions  (as
        amended to date).  With  respect to each item of  Intellectual  Property
        required to be identified in ss.4(m)(iv) of the Disclosure Schedule:

                             (A) to the Knowledge of the Requisite Sellers,  the
               license,  sublicense,  agreement, or permission covering the item
               is in full force and effect and will continue to be in full force
               and effect on identical terms  following the  consummation of the
               transactions  contemplated  hereby (including the assignments and
               assumptions referred to in ss.2 above);

                             (B) to the Knowledge of the Requisite  Sellers,  no
               party to the license, sublicense, agreement, or permission is  in



<PAGE>





               material  breach  or  material  default  or has  repudiated  such
               license,  sublicense,  agreement or permission,  and no event has
               occurred  which with notice or lapse of time would  constitute  a
               material  breach  or  material  default  or  permit  termination,
               modification, or acceleration thereunder;

                             (C) the underlying item of Intellectual Property is
               not  subject  to any  outstanding  injunction,  judgment,  order,
               decree, ruling, or charge;

                             (D)   no   action,   suit,   proceeding,   hearing,
               investigation, charge, complaint, claim, or demand is pending or,
               to  the  Knowledge  of  any  of the  Requisite  Sellers  and  the
               directors and officers (and  employees  with  responsibility  for
               Intellectual  Property  matters)  of ACER,  is  threatened  which
               challenges  the  legality,  validity,  or  enforceability  of the
               underlying item of Intellectual Property; and

                             (E) ACER has not granted any  sublicense or similar
               right with  respect to the  license,  sublicense,  agreement,  or
               permission.

                      (v) To the Knowledge of any of the  Requisite  Sellers and
        the  directors  and officers  (and  employees  with  responsibility  for
        Intellectual  Property  matters) of ACER,  ACER will not interfere with,
        infringe upon, misappropriate, or otherwise come into conflict with, any
        Intellectual  Property  rights  of  third  parties  as a  result  of the
        continued  operation of its  businesses  as presently  conducted  and as
        presently proposed to be conducted.

                      (vi)  To the  Knowledge  of  the  Requisite  Sellers,  the
        information  contained in  memorandum  on "Year 2000" issues  previously
        delivered  to Kendle,  is true,  complete  and  correct in all  material
        respects.

               (n)  Tangible  Assets.   ACER  owns  or  leases  all  facilities,
machinery, equipment, and other tangible assets necessary for the conduct of its
businesses  as presently  conducted  and as presently  proposed to be conducted.
Each such tangible asset has been  maintained in accordance with normal industry
practice,  is in good operating condition and repair (subject to normal wear and
tear),  and is suitable  for the  purposes  for which it  presently  is used and
presently is proposed to be used.

               (o)  Contracts.  ss.4(o)  of the  Disclosure  Schedule  lists the
following contracts and other agreements to which ACER is a party:

                      (i) any agreement (or group of related agreements) for the
        lease of personal property (other than capitalized lease obligations) to
        or from any Person providing for lease payments in excess of Twenty Five
        Thousand Dollars ($25,000) per annum;

                      (ii) other than  agreements and contracts with  customers,
        as to which One Million  Dollars  ($1,000,000)  shall be the  disclosure
        threshold  for ss. 4(o) of the  Disclosure  Schedule,  any agreement (or
        group of related agreements) for the purchase or sale of  raw materials,



<PAGE>



          commodities,  supplies,  products,  or other personal property, or for
          the furnishing or receipt of services,  the  performance of which will
          extend over a period of more than one year,  result in a material loss
          to ACER,  or involve  consideration  in excess of Twenty Five Thousand
          Dollars ($25,000);

                      (iii) any  agreement  concerning  a  partnership  or joint
          venture;

                      (iv) any agreement (or group of related  agreements) under
        which it has created, incurred,  assumed, or guaranteed any indebtedness
        for borrowed money, or any capitalized  lease  obligation,  in excess of
        Twenty Five Thousand Dollars ($25,000);

                      (v)   any   agreement   concerning    confidentiality   or
        noncompetition  other than standard  provisions in contracts with ACER's
        customers;

                      (vi) any  agreement  with  any of the  Sellers  and  their
        Affiliates (other than ACER);

                      (vii) any profit  sharing,  stock option,  stock purchase,
        phantom stock, stock appreciation, deferred compensation,  severance, or
        other  material  plan or  arrangement  for the benefit of its current or
        former directors, officers, and employees;

                      (viii) any collective bargaining agreement;

                      (ix) any agreement for the employment of any individual on
        a full-time,  part-time,  consulting,  or other basis  providing  annual
        compensation  in excess of Twenty Five  Thousand  Dollars  ($25,000)  or
        providing  severance  benefits in excess of Twenty Five Thousand Dollars
        ($25,000);

                      (x) any  agreement  under which it has  advanced or loaned
        any amount to any of its directors,  officers, and employees outside the
        Ordinary Course of Business;

                      (xi) any  agreement  under  which  the  consequences  of a
        default  or  termination  could have a  material  adverse  effect on the
        business,  financial condition,  operations,  results of operations,  or
        future prospects of ACER; or

                      (xii) other than  agreements or contracts with  customers,
        any other agreement (or group of related  agreements) the performance of
        which involves  consideration  in excess of Twenty Five Thousand Dollars
        ($25,000).

The  Requisite  Sellers have  delivered to Kendle a correct and complete copy of
each written agreement listed in ss.4(o) of the Disclosure  Schedule (as amended
to date) and a written  summary  setting forth the terms and  conditions of each
oral agreement referred to in ss.4(o) of the Disclosure  Schedule.  With respect
to each such  agreement:  (A) to the  Knowledge of the  Requisite  Sellers,  the
agreement is in full force and effect;  (B) to the  Knowledge  of the  Requisite
Sellers, the agreement will continue to be in full force and effect on identical




<PAGE>





terms following the consummation of the transactions contemplated hereby; (C) to
the  Knowledge  of the  Requisite  Sellers,  no party is in  material  breach or
material  default,  and no event has occurred which with notice or lapse of time
would constitute a material breach or material default,  or permit  termination,
modification,  or  acceleration,  under  the  agreement;  and (D) no  party  has
repudiated  any provision of the  agreement.  Except as listed on ss.4(o) of the
Disclosure Schedule, ACER is not a party to any contract or agreement,  relating
to provision by ACER of services,  with any federal,  state or local government,
governmental agency or other governmental authority.

               (p) Notes and  Accounts  Receivable.  All notes and all  accounts
receivable of ACER are reflected properly on their books and records,  are valid
receivables subject to no setoffs or counterclaims, are current and collectible,
and will be collected in accordance with their terms at their recorded  amounts,
subject  only to the  reserve  for bad  debts  set forth on the face of the Most
Recent  Balance  Sheet  (rather  than in any notes  thereto) as adjusted for the
passage of time through the Closing Date in accordance  with the past custom and
practice of ACER.

               (q)  Powers  of  Attorney.  There  are no  outstanding  powers of
attorney executed on behalf of ACER.

               (r) Insurance.  ss.4(r) of the Disclosure Schedule sets forth the
following  information with respect to each insurance policy (including policies
providing property, casualty,  liability, and workers' compensation coverage and
bond and surety  arrangements)  to which ACER has been a party, a named insured,
or otherwise  the  beneficiary  of coverage at any time within the past five (5)
years:

                      (i)  the name, address, and telephone number of the agent;

                      (ii)   the   name  of  the   insurer,   the  name  of  the
        policyholder, and the name of each covered insured;

                      (iii)  the policy number and the period of coverage;

                      (iv) the scope  (including  an  indication  of whether the
        coverage  was on a claims made,  occurrence,  or other basis) and amount
        (including a description of how  deductibles and ceilings are calculated
        and operate) of coverage; and

                      (v) a description of any retroactive  premium  adjustments
        or other loss-sharing arrangements.

With  respect  to  each  such  insurance  policy:  (A) to the  Knowledge  of the
Requisite Sellers,  the policy is in full force and effect; (B) to the Knowledge
of the  Requisite  Sellers,  the policy  will  continue  to be in full force and
effect  on  identical  terms  following  the  consummation  of the  transactions
contemplated hereby; (C) to the Knowledge of the Requisite Sellers, neither ACER
nor any other  party to the policy is in  material  breach or  material  default
(including  with  respect to the payment of premiums or the giving of  notices),



<PAGE>





and no event  has  occurred  which,  with  notice  or the  lapse of time,  would
constitute such a material breach or material  default,  or permit  termination,
modification, or acceleration,  under the policy; and (D) no party to the policy
has repudiated any provision thereof. ACER has been covered during the past five
(5) years by  insurance in scope and amount  customary  and  reasonable  for the
businesses in which it has engaged  during the  aforementioned  period.  Section
4(r)  of the  Disclosure  Schedule  describes  any  self-insurance  arrangements
affecting ACER.

               (s)  Litigation.  Section 4(s) of the  Disclosure  Schedule  sets
forth  each  instance  in which  ACER,  or, to the  Knowledge  of the  Requisite
Sellers, ACERWITS or TMP (i) is subject to any outstanding injunction, judgment,
order, decree, ruling, or charge or (ii) is a party or , to the Knowledge of any
of the Requisite  Sellers and the directors  and officers  (and  employees  with
responsibility for litigation matters) of ACER, is threatened to be made a party
to any action, suit, proceeding, hearing, or investigation of, in, or before any
court or quasi-judicial or administrative  agency of any federal,  state, local,
or foreign  jurisdiction or before any arbitrator.  None of the actions,  suits,
proceedings, hearings, and investigations set forth in ss.4(s) of the Disclosure
Schedule is likely,  if  adversely  determined,  to result in any ACER  Material
Adverse  Change.  None of the  Requisite  Sellers and the directors and officers
(and  employees  with  responsibility  for  litigation  matters) of ACER has any
reason  to  believe  that  any  such  action,  suit,  proceeding,   hearing,  or
investigation may be brought or threatened against any of ACER, ACERWITS or TMP.

               (t)    Employee Benefits.

                      (i) ss.4(t) of the Disclosure Schedule lists each Employee
        Benefit Plan that ACER maintains or to which ACER contributes or has any
        obligation to contribute.

                             (A) Each  such  Employee  Benefit  Plan  (and  each
               related trust,  insurance contract, or fund) complies in form and
               in operation in all respects with the applicable  requirements of
               ERISA, the Code, and other applicable laws.

                             (B)   All   required   reports   and   descriptions
               (including  Form 5500 Annual  Reports,  summary  annual  reports,
               PBGC-1's,  and summary plan  descriptions) have been timely filed
               and distributed  appropriately with respect to each such Employee
               Benefit  Plan.  The  requirements  of  COBRA  have  been met with
               respect to each such  Employee  Benefit Plan which is an Employee
               Welfare Benefit Plan.

                             (C)  All  contributions   (including  all  employer
               contributions and employee salary reduction  contributions) which
               are due have been paid to each such  Employee  Benefit Plan which
               is an Employee Pension Benefit Plan and all contributions for any
               period ending on or before the Closing Date which are not yet due
               have been  paid to each such  Employee  Pension  Benefit  Plan or
               accrued in accordance  with the past custom and practice of ACER.
               All  premiums  or other  payments  for all  periods  ending on or
               before the Closing Date have been  paid with respect to each such
               Employee  Benefit Plan which is an Employee Welfare Benefit Plan.


<PAGE>



                             (D) Each such  Employee  Benefit  Plan  which is an
               Employee  Pension  Benefit  Plan  meets  the  requirements  of  a
               "qualified plan" under Code ss.401(a),  has received,  within the
               last  two  years,  a  favorable  determination  letter  from  the
               Internal  Revenue  Service  that it is a  "qualified  plan,"  and
               Seller  is not  aware of any facts or  circumstances  that  could
               result in the revocation of such determination letter.

                             (E) The  market  value of  assets  under  each such
               Employee  Benefit Plan which is an Employee  Pension Benefit Plan
               (other than any Multiemployer Plan) equals or exceeds the present
               value  of  all  vested  and  nonvested   Liabilities   thereunder
               determined  in  accordance  with  PBGC  methods,   factors,   and
               assumptions  applicable  to  an  Employee  Pension  Benefit  Plan
               terminating on the date for determination.

                             (F) The Requisite  Sellers have delivered to Kendle
               correct and  complete  copies of the plan  documents  and summary
               plan descriptions,  the most recent determination letter received
               from the  Internal  Revenue  Service,  the most  recent Form 5500
               Annual  Report,  and  all  related  trust  agreements,  insurance
               contracts, and other funding agreements which implement each such
               Employee Benefit Plan.

                      (ii) With respect to each  Employee  Benefit Plan that any
        of ACER and any ERISA  Affiliate  maintains or ever has maintained or to
        which any of them  contributes,  ever has contributed,  or ever has been
        required to contribute:

                             (A) No  such  Employee  Benefit  Plan  which  is an
               Employee Pension Benefit Plan (other than any Multiemployer Plan)
               has been  completely or partially  terminated or been the subject
               of a Reportable Event as to which notices would be required to be
               filed with the PBGC.  No  proceeding by the PBGC to terminate any
               such Employee Pension Benefit Plan (other than any  Multiemployer
               Plan) has been  instituted  or , to the  Knowledge  of any of the
               Requisite  Sellers and the directors and officers (and  employees
               with  responsibility  for  employee  benefits  matters)  of ACER,
               threatened.

                             (B) There have been no Prohibited Transactions with
               respect to any such  Employee  Benefit Plan. No Fiduciary has any
               Liability  for breach of fiduciary  duty or any other  failure to
               act or comply in connection with the administration or investment
               of the assets of any such Employee Benefit Plan. No action, suit,
               proceeding,   hearing,  or  investigation  with  respect  to  the
               administration  or the  investment  of  the  assets  of any  such
               Employee Benefit Plan (other than routine claims for benefits) is
               pending or , to the Knowledge of any of the Requisite Sellers and



<PAGE>





               the directors and officers (and employees with responsibility for
               employee  benefits  matters)  of  ACER,  threatened.  None of the
               Requisite  Sellers and the directors and officers (and  employees
               with  responsibility  for employee  benefits matters) of ACER has
               any Knowledge of any Basis for any such action, suit, proceeding,
               hearing, or investigation.

                             (C)  ACER  has  not  incurred,   and  none  of  the
               Requisite  Sellers and the directors and officers (and  employees
               with  responsibility  for employee  benefits matters) of ACER has
               any reason to expect that ACER will incur,  any  Liability to the
               PBGC (other than PBGC premium  payments) or otherwise under Title
               IV of ERISA  (including  any  withdrawal  liability as defined in
               ERISA  ss.4201)  or  under  the  Code  with  respect  to any such
               Employee Benefit Plan which is an Employee Pension Benefit Plan.

                      (iii) None of ACER and the other members of the Controlled
        Group that includes ACER  contributes  to, ever has  contributed  to, or
        ever has been required to contribute  to any  Multiemployer  Plan or has
        any  Liability  (including  withdrawal  liability  as  defined  in ERISA
        ss.4201) under any Multiemployer Plan.

                      (iv) ACER does not  maintain  or ever has  maintained  and
        does not contribute,  ever has contributed, or ever has been required to
        contribute  to any  Employee  Welfare  Benefit Plan  providing  medical,
        health, or life insurance or other welfare-type  benefits for current or
        future  retired  or  terminated  employees,   their  spouses,  or  their
        dependents (other than in accordance with COBRA).

               (u)  Guaranties.  ACER is not a guarantor  or otherwise is liable
for any Liability or obligation (including indebtedness) of any other Person.

               (v)    Environmental, Health, and Safety Matters.

        Except as disclosed in ss.4(v) of the Disclosure Schedule:

               (i)  Hazardous  Materials  have not at any time  been  generated,
        used,  treated or stored by ACER in violation in any material respect of
        any  applicable  Environmental  Law, or in any way which will  hereafter
        require material remedial action under any applicable Environmental law,
        and ACER has not received any notice of any such  violation with respect
        to Hazardous Materials;

               (ii) to the Knowledge of the Requisite Sellers, there has been no
        spill, discharge, leak, emission,  injection, escape, dumping or release
        of any kind  onto any  property  owned or  leased  by ACER,  or into the
        environment surrounding any such property, of Hazardous materials, other
        than  releases  permissible  under  applicable  Law or  allowable  under
        applicable permits;




<PAGE>





               (iii) ACER,  its  operations  and any property owned by it are in
        compliance   in  all   material   respects   with  (i)  all   applicable
        Environmental  Laws,  and (ii) the  requirements  of any permits  issued
        under such laws; and

               (iv) there are no pending or  threatened  claims  against ACER or
        any property  owned or leased by it relating to  Hazardous  Materials or
        environmental matters.

None of the circumstances, conditions or occurrences disclosed in ss.4(v) of the
Disclosure  Schedule or reflected in the Financial  Statements  involves or will
result in any material liability on the part of ACER.

               (w)  Certain  Business   Relationships   with  ACER.   Except  as
contemplated  or  permitted  by this  Agreement,  disclosed  in  ss.4(w)  of the
Disclosure  Statement  or  reflected in the  Financial  Statements,  none of the
Sellers is involved in any business  arrangement or  relationship  with ACER and
none of the Sellers owns any material  asset,  tangible or intangible,  which is
used in the business of ACER.

               (x) Disclosure.  The representations and warranties  contained in
this ss.4 do not  contain  any untrue  statement  of a material  fact or omit to
state  any  material  fact  necessary  in  order  to  make  the  statements  and
information  contained in this ss.4, in light of the  circumstances  under which
they were made, not misleading.

        5. Pre-Closing  Covenants.  The Parties agree as follows with respect to
the period between the execution of this Agreement and the Closing.

               (a) General.  Each of the Parties will use his or its  reasonable
best  efforts  to take all action and to do all  things  necessary,  proper,  or
advisable  in  order  to  consummate   and  make   effective  the   transactions
contemplated by this Agreement (including  satisfaction,  but not waiver, of the
closing conditions set forth in ss.7 below).

               (b) Notices and Consents.  The Requisite  Sellers will cause each
of ACER to give any  notices  to third  parties,  and will cause ACER to use its
reasonable  best  efforts  to  obtain  any third  party  consents,  that  Kendle
reasonably  may request in  connection  with the matters  referred to in ss.4(c)
above.  Each of the Parties will (and the Requisite  Sellers will cause ACER to)
give any notices to, make any filings with, and use its reasonable  best efforts
to obtain  any  authorizations,  consents,  and  approvals  of  governments  and
governmental agencies in connection with the matters referred to in ss.3(a)(ii),
ss.3(b)(ii), and ss.4(c) above.

               (c) Operation of Business.  The Requisite  Sellers will not cause
or permit ACER to engage in any  practice,  take any  action,  or enter into any
transaction  outside the Ordinary Course of Business without prior  notification
to and the consent of Kendle (which consent shall not be  unreasonably  withheld
or delayed).  Without limiting the generality of the foregoing, the Sellers will
not cause or permit ACER to (i) declare,  set aside, or pay any dividend or make
any  distribution  with  respect to its capital  stock or redeem,  purchase,  or
otherwise acquire any of its capital stock other than the Permitted  Pre-Closing



<PAGE>





Distribution,  or (ii)  otherwise  engage in any practice,  take any action,  or
enter into any transaction of the sort described in ss.4(h) above.

               (d)  Preservation  of Business.  The Requisite  Sellers shall use
their  best  efforts  to  cause  ACER  to  keep  its  business  and   properties
substantially  intact,  including its present operations,  physical  facilities,
working  conditions  and  relationships  with  lessors,  licensors,   suppliers,
customers and employees.

               (e) Full Access.  Each of the Requisite Sellers will permit,  and
the Requisite  Sellers will cause ACER to permit,  representatives  of Kendle to
have full access at all reasonable times, and in a manner so as not to interfere
with the  normal  business  operations  of ACER,  to all  premises,  properties,
personnel,  books, records (including Tax records),  contracts, and documents of
or pertaining to ACER.

               (f)  Notice of  Developments.  The  Requisite  Sellers  will give
prompt written notice to Kendle of any material  adverse  development  causing a
breach of any of the  representations  and warranties in ss.4 above.  Each Party
will  give  prompt  written  notice  to  the  others  of  any  material  adverse
development  causing a breach of any of his, her or its own  representations and
warranties in ss.3 above.

               (g)  Exclusivity.  Until March 31, 1998, none of the Sellers will
(and the Sellers will not cause or permit ACER or any of the Seller's  agents or
representatives  to) (i) solicit,  initiate,  or encourage the submission of any
proposal  or offer from any Person  relating to the  acquisition  of any capital
stock or other voting securities,  or any substantial  portion of the assets, of
ACER (including any acquisition  structured as a merger,  consolidation or share
exchange) or (ii)  participate  in any  discussions or  negotiations  regarding,
furnish any information with respect to, assist or participate in, or facilitate
in any other manner any effort or attempt by any Person to do or seek any of the
foregoing.  None of the Sellers will vote their ACER Shares in favor of any such
acquisition structured as a merger, consolidation or share exchange. The Sellers
will notify Kendle immediately if any Person makes any proposal, offer, inquiry,
or contact with respect to any of the  foregoing.  If any of the Sellers or ACER
violate the covenants  set forth in this ss. 5(g),  or if, after this  Agreement
has been  executed,  the Sellers are  obligated to consummate  the  transactions
contemplated and Sellers fail to do so, in either event,  ACER and the Requisite
Sellers, jointly and severally, shall: (i) pay Kendle, as liquidated damages, an
amount  equal to Four Percent (4%) of the  Purchase  Price;  and (ii)  reimburse
Kendle for all  out-of-pocket  expenses  (including  attorneys' and accountants'
fees) Kendle  incurs in connection  with the  transaction  contemplated  hereby;
provided,  however,  that this reimbursement amount shall not exceed Two Hundred
Fifty Thousand Dollars ($250,000).

        6. Post-Closing Covenants.  The Parties agree as follows with respect to
the period following the Closing.

               (a)  General.  In case at any time after the  Closing any further
action is necessary  or  desirable to carry out the purposes of this  Agreement,
each of the Parties will take such further  action  (including the execution and




<PAGE>



delivery  of  such  further  instruments  and  documents)  as  any  other  Party
reasonably may request, all at the sole cost and expense of the requesting Party
(unless the requesting Party is entitled to indemnification  therefor under ss.8
below).  The Sellers  acknowledge  and agree that,  from and after the  Closing,
Kendle  will  be  entitled  to  possession  of  all  documents,  books,  records
(including Tax records),  agreements,  and financial data of any sort within the
possession  of, or under the  control  of, any Seller or ACER,  relating to ACER
(other than such documents,  books, records (including Tax records),  agreements
and financial data that solely relate to one or more Sellers personally).

               (b) Litigation Support. In the event and for so long as any Party
actively is  contesting  or  defending  against any  action,  suit,  proceeding,
hearing,  investigation,  charge, complaint, claim, or demand in connection with
(i)  any  transaction  contemplated  under  this  Agreement  or (ii)  any  fact,
situation,   circumstance,   status,   condition,   activity,   practice,  plan,
occurrence,  event, incident, action, failure to act, or transaction on or prior
to the Closing Date  involving  ACER,  each of the other Parties will  cooperate
with him, her or it and his, her or its counsel in the contest or defense,  make
available their personnel,  and provide such testimony and access to their books
and records as shall be reasonably  necessary in connection  with the contest or
defense,  all at the sole cost and expense of the contesting or defending  Party
(unless  the  contesting  or  defending  Party is  entitled  to  indemnification
therefor under ss.8 below).

               (c) Transition.  None of the Sellers will take any action that is
designed or intended to have the effect of  discouraging  any lessor,  licensor,
customer,  supplier,  or other business  associate of ACER from  maintaining the
same business  relationships  with ACER after the Closing as it maintained  with
ACER prior to the Closing. Each of the Sellers will refer all customer inquiries
relating to the businesses of ACER to Kendle from and after the Closing.

               (d)  Confidentiality.  Each of the Sellers will treat and hold as
such  all  of  the  Confidential  Information,  refrain  from  using  any of the
Confidential  Information  (other  than  Confidential  Information  that  solely
relates to the Seller  personally)  except in connection  with this Agreement or
the  business of ACER and will  deliver  promptly  to Kendle or destroy,  at the
request of Kendle, all copies of the Confidential  Information which are in his,
her or its  possession.  In the event that any of the  Sellers is  requested  or
required (by oral question or request for  information or documents in any legal
proceeding,  interrogatory,  subpoena,  civil  investigative  demand, or similar
process)  to  disclose  any  Confidential  Information,  that Seller will notify
Kendle  promptly  of the  request  or  requirement  so that  Kendle  may seek an
appropriate  protective  order or waive  compliance  with the provisions of this
ss.6(d).  If, in the  absence of a  protective  order or the receipt of a waiver
hereunder, Seller is compelled to disclose such Confidential Information, Seller
may disclose the Confidential  Information to the tribunal;  provided,  however,
that the disclosing  Seller shall use his, her or its reasonable best efforts to
obtain,  at the reasonable  request of Kendle,  an order or other assurance that
confidential  treatment  will be  accorded to such  portion of the  Confidential
Information required to be disclosed as Kendle shall designate.

               (e) Kendle  Shares.  Each Requisite  Seller hereby  covenants and
agrees that,  without the prior written consent of Kendle, he, she or it may not
sell,  assign,  convey or otherwise  transfer any of the Kendle Shares  received




<PAGE>




hereunder  during a period of one hundred  eighty  (180) days  beginning  on the
Closing Date ("Lockout Period");  provided, however, that if registration rights
under the Registration Rights Agreement are available during the Lockout Period,
TYL, JCL and Minor may each sell up to five  percent  (5%) of the Kendle  Shares
respectively  received by TYL, JCL and Minor pursuant to the Registration Rights
Agreement.  Each Kendle Share will be imprinted with a legend  substantially  in
the following form:

        The shares  evidenced  by this  certificate  were  originally  issued on
        February 11, 1998, and has not been registered  under the Securities Act
        of 1933,  as  amended.  The  transfer  of the shares  evidenced  by this
        certificate is subject to the  restrictions set forth in Section 6(c) of
        the Stock Purchase  Agreement dated February 11, 1998. The issuer of the
        shares  evidenced  by this  certificate  will  furnish  a copy of  these
        provisions to the holder hereof without charge upon written request.

Each holder  desiring to transfer a Kendle Share first must furnish  Kendle with
(i) a written  opinion  reasonably  satisfactory to Kendle in form and substance
from counsel  reasonably  satisfactory  to Kendle by reason of experience to the
effect that the holder may transfer Kendle Share as desired without registration
under the Securities Act and (ii) a written undertaking  executed by the desired
transferee  reasonably  satisfactory to Kendle in form and substance agreeing to
be bound by the restrictions on transfer contained herein.

        (f) Operational Issues. Following the Closing, Kendle will not implement
"hoteling" in the ACER offices until it has evaluated the  effectiveness of such
program in its domestic  non-ACER  offices for at least six (6) months following
the Closing.

        7.     Conditions to Obligation to Close.

               (a) Conditions to Obligation of Kendle.  The obligation of Kendle
to consummate  the  transactions  to be performed by it in  connection  with the
Closing is subject to satisfaction of the following conditions:

                      (i)  the  representations  and  warranties  set  forth  in
        ss.3(a)  and  ss.4  above  shall  be true and  correct  in all  material
        respects (other than  representations  and warranties having materiality
        qualifiers,  which shall be true and correct in all  respects) at and as
        of the Closing Date;

                      (ii) the Sellers  shall have  performed  and complied with
        all of their covenants  hereunder in all material  respects  through the
        Closing;

                      (iii) no action,  suit, or proceeding  shall be pending or
        threatened before any court or  quasi-judicial or administrative  agency
        of any federal,  state,  local,  or foreign  jurisdiction  or before any
        arbitrator wherein an unfavorable injunction,  judgment,  order, decree,
        ruling,  or  charge  would  (A)  prevent  consummation  of  any  of  the
        transactions  contemplated  by  this  Agreement,  (B)  cause  any of the
        transactions  contemplated  by this Agreement to be rescinded  following




<PAGE>




          consummation,  (C)  affect  adversely  the right of Kendle to own ACER
          Shares Shares and to control  ACER, or (D) affect  adversely the right
          of ACER to own its assets and to operate its  businesses  (and no such
          injunction,  judgment,  order,  decree,  ruling, or charge shall be in
          effect);

                      (iv)  the  Sellers  shall  have   delivered  to  Kendle  a
          certificate to the effect that each of the conditions specified above
          in ss.7(a)(i)-(iv) is satisfied in all respects;

                      (v) Kendle shall have determined that the lives of TYL and
        Minor are insurable on a term policy basis at standard  rates for Twenty
        Million  Dollars  ($20,000,000),  for TYL, and for Five Million  Dollars
        ($5,000,000),  for Minor,  and TYL and Minor shall have  cooperated with
        Kendle in applying for such insurance coverages;

                      (vi)  Kendle's  bank  creditors  shall  have  given  their
        written consent to the transaction contemplated by this Agreement;

                      (vii) TYL, Minor, Kathleen Mansfield ("KM") and such other
        employees of ACER as Kendle  determines  to be necessary  and  advisable
        shall have entered into Employment Agreements  substantially in the form
        of Exhibit 7(a)(vii) hereto (the "Employment Agreements");

                      (viii) each of the  Sellers,  other than the Trust,  shall
        have executed and delivered  releases in the form of Exhibit  7(a)(viii)
        hereto (the "Releases");

                      (ix) each of the Requisite Sellers shall have executed and
        delivered  Non-Competition  and Non-Disclosure  Covenants in the form of
        Exhibit 7(a)(ix) hereto (the "Covenants");

                      (x) Kendle shall have determined that the costs associated
        with pursuing or  discontinuing  ACER's  business  opportunities  in the
        Peoples  Republic  of China or  Taiwan  will not  adversely  affect  the
        financial condition of Kendle or ACER;

                      (xi) no material  adverse change in the business,  assets,
        liabilities,   income,  financial  condition,   operations,  results  of
        operations  or  business  prospects  of  ACER  ("ACER  Material  Adverse
        Change") shall have  occurred;  provided,  however,  if an ACER Material
        Adverse  Change  shall  have  occurred,  Kendle  and the  Sellers  shall
        negotiate in good faith with respect to a reasonable  adjustment  of the
        Purchase  Price.  If  agreement  is not reached  with respect to such an
        adjustment,  Kendle  may  terminate  this  Agreement  for  failure  of a
        condition  precedent.   Notwithstanding  the  foregoing,  ACER  Material
        Adverse Change shall not include the Permitted Pre-Closing Distribution,
        the Permitted Pre-Closing Bonuses or any other items set forth expressly
        in this Agreement;

                      (xii)  the  Parties  and  ACER  shall  have  received  all
        authorizations,  consents, and approvals of governments and governmental
        agencies referred to in ss.3(a)(ii), ss.3(b)(ii), and ss.4(c) above;



<PAGE>



                      (xiii)  Kendle  shall have  received  from  counsel to the
        Sellers  an  opinion  in form and  substance  as set  forth  in  Exhibit
        7(a)(xiii)  attached  hereto,  addressed to Kendle,  and dated as of the
        Closing Date;

                      (xiv)  Kendle  shall  have   received  the   resignations,
        effective as of the Closing,  of each director and officer of ACER other
        than those whom  Kendle  shall have  specified  in writing at least five
        business days prior to the Closing;

                      (xv) each of the Sellers  shall have  completed,  executed
        and delivered to Kendle copies of Internal Revenue Code Form 8023-A;

                      (xvi)  each  of  the  Sellers   shall  have  executed  and
        delivered to Kendle an affidavit  pursuant to ss.  1.1445-2(b)(2) of the
        Treasury   Regulations:   (A)   stating   that  such  Seller  is  not  a
        "non-resident  alien" for United  States  income tax  purposes;  and (B)
        setting forth that Seller's tax identification number and address;

                      (xvii) each of the  Requisite  Sellers shall have executed
        and delivered the Escrow Agreement; and,

                      (xviii)all   actions  to  be  taken  by  the   Sellers  in
        connection with consummation of the transactions contemplated hereby and
        all certificates, opinions, instruments, and other documents required to
        effect  the   transactions   contemplated   hereby  will  be  reasonably
        satisfactory in form and substance to Kendle.

Kendle  may waive any  condition  specified  in this  ss.7(a)  if it  executes a
writing so stating at or prior to the Closing.

               (b)  Conditions to Obligation of the Sellers.  The  obligation of
the Sellers to consummate the transactions to be performed by them in connection
with the Closing is subject to satisfaction of the following conditions:

                      (i)  the  representations  and  warranties  set  forth  in
        ss.3(b) above shall be true and correct in all material  respects (other
        than representations and warranties having materiality qualifiers, which
        shall be true and  correct  in all  respects)  at and as of the  Closing
        Date;

                      (ii) Kendle shall have  performed and complied with all of
        its covenants hereunder in all material respects through the Closing;

                      (iii) no action,  suit, or proceeding  shall be pending or
        threatened before any court or  quasi-judicial or administrative  agency
        of any federal,  state,  local,  or foreign  jurisdiction  or before any
        arbitrator wherein an unfavorable injunction,  judgment,  order, decree,
        ruling,  or  charge  would  (A)  prevent  consummation  of  any  of  the
        transactions  contemplated  by this  Agreement  or (B)  cause any of the
        transactions contemplated by this Agreement to be  rescinded   following



<PAGE>





        consummation (and no such  injunction, judgment, order, decree, ruling,
        or charge  shall be in effect);

                      (iv)  Kendle  shall  have   delivered  to  the  Sellers  a
        certificate to the effect that each of the conditions specified above in
        ss.7(b)(i)-(iii) is satisfied in all respects;

                      (v) TYL,  Minor and KM shall have entered into  Employment
        Agreements with Kendle;

                      (vi)  Kendle  shall  have   executed  and   delivered  the
        Registration Rights Agreement in the form of Exhibit 7(b)(vi) hereto;

                      (vii) no material adverse change in the business,  assets,
        liabilities, income, financial condition or business prospects of Kendle
        ("Kendle Material Adverse Change") shall have occurred since the date of
        the  latest  Kendle  SEC  Report;  provided,  however,  that if a Kendle
        Material Adverse Change shall have occurred, the Seller and Kendle shall
        negotiate in good faith with respect to a reasonable  adjustment  to the
        Purchase  Price.  If  agreement  is not reached  with respect to such an
        adjustment,  the Sellers may terminate  this  Agreement for failure of a
        condition precedent;

                      (viii) Kendle shall have used its commercially  reasonable
        best efforts to obtain  releases of any personal  guarantees the Sellers
        may have given for ACER Liabilities;

                      (ix)  the  Parties  and  ACER  shall  have   received  all
        authorizations,  consents, and approvals of governments and governmental
        agencies referred to in ss.3(a)(ii), ss.3(b)(ii), and ss.4(c) above;

                      (x) the Sellers shall have received from counsel to Kendle
        an  opinion  in form  and  substance  as set  forth in  Exhibit  7(b)(x)
        attached hereto,  addressed to the Sellers,  and dated as of the Closing
        Date;

                      (xi) Kendle and The Fifth  Third Bank shall have  executed
        and delivered the Escrow Agreement;

                      (xii)  TYL  shall  have  received  the  letter   agreement
        relating to his nomination and recommendation for membership on Kendle's
        Board of Directors; and,

                      (xiii)  all  actions  to be taken by Kendle in  connection
        with  consummation  of the  transactions  contemplated  hereby  and  all
        certificates,  opinions,  instruments,  and other documents  required to
        effect  the   transactions   contemplated   hereby  will  be  reasonably
        satisfactory in form and substance to the Requisite Sellers.

The Requisite Sellers may waive any condition  specified in this ss.7(b) if they
execute a writing so stating at or prior to the Closing.



<PAGE>





        8.     Remedies for Breaches of This Agreement.

               (a)  Survival  of  Representations  and  Warranties.  All  of the
representations   and  warranties  of  the  Sellers  contained  in  ss.4(a)-(j),
ss.4(l)-(u)  and  ss.4(w)-(x)  above shall  survive the  Closing  hereunder  and
continue in full force and effect  through and until April 30, 2000.  All of the
other  representations and warranties of the Parties contained in this Agreement
(including  the  representations  and  warranties  of the Sellers  contained  in
ss.3(a),  ss.4(k) and ss.4(v)  above) shall  survive the Closing and continue in
full force and effect forever thereafter  (subject to any applicable statutes of
limitations).

               (b)    Indemnification Provisions for Benefit of Kendle.

                      (i) In the event any of the  Sellers  breaches  (or in the
        event any third party alleges facts that, if true, would mean any of the
        Sellers has  breached)  any of their  representations,  warranties,  and
        covenants  contained  herein  (other than the covenants in ss.2(a) above
        and the  representations and warranties in ss.3(a) above), and, if there
        is an applicable  survival  period  pursuant to ss.8(a) above,  provided
        that Kendle makes a written claim for indemnification against any of the
        Sellers  pursuant to ss.11(h)  below within such survival  period,  then
        each of the Requisite  Sellers agrees,  on a joint and several basis, to
        indemnify   Kendle  from  and  against  the   entirety  of  any  Adverse
        Consequences  Kendle may suffer  through and after the date of the claim
        for  indemnification  (including  any  Adverse  Consequences  Kendle may
        suffer after the end of any applicable  survival period) resulting from,
        arising out of,  relating  to, in the nature of, or caused by the breach
        (or the alleged breach).

                      (ii) In the event any of the Sellers  breaches  (or in the
        event any third party alleges facts that, if true, would mean any of the
        Sellers has  breached) any of his, her or its covenants in ss.2(a) above
        or any of his,  her or its  representations  and  warranties  in ss.3(a)
        above,  and,  if there is an  applicable  survival  period  pursuant  to
        ss.8(a)   above,   provided  that  Kendle  makes  a  written  claim  for
        indemnification  against the Seller  pursuant to ss.11(h)  below  within
        such survival  period,  then the Seller agrees to indemnify  Kendle from
        and against the entirety of any Adverse  Consequences  Kendle may suffer
        through and after the date of the claim for  indemnification  (including
        any  Adverse  Consequences  Kendle  may  suffer  after  the  end  of any
        applicable survival period) resulting from, arising out of, relating to,
        in the nature of, or caused by the breach (or the alleged breach).

                      (iii) Each of the Requisite Sellers agrees, on a joint and
        several basis, to indemnify  Kendle,  on a dollar for dollar basis, from
        and against the entirety of any Adverse  Consequences Kendle and/or ACER
        may suffer  resulting  from,  arising out of, relating to, in the nature
        of, or caused by the payment of the Special Bonuses prior to the Closing
        (excepting only any compensatory  charges to ACER's financial statements
        relating  to the  payment of the Special  Bonuses),  including  (without
        limitation)  any employment,  payroll or withholding  Taxes arising as a
        result of payment of the Special Bonuses.




<PAGE>





                      (iv)  Subject  to the  limitations  set  forth in the next
        following  sentence,  each of the  Requisite  Sellers,  on a  joint  and
        several basis, agrees to indemnify Kendle, on a dollar for dollar basis,
        from and against the entirety of any Adverse  Consequences Kendle and/or
        ACER may suffer  resulting  from,  arising out of,  relating  to, in the
        nature of, or caused by the  invalidity  of the  election  by Sellers to
        have ACER taxed as a "small business  corporation"  or "S  Corporation."
        Notwithstanding  the foregoing or any other provisions of this Agreement
        to the  contrary,  the  maximum  aggregate  liability  with  respect  to
        Kendle's inability to make an advantageous  election with respect to the
        transactions contemplated hereby under Section 338(h)(10) of the Code or
        for one-half (1/2) of the costs of  adjustments  under Section 481(a) of
        the Code shall be limited (as  liquidated  damages and not as a penalty)
        to Six Million Dollars ($6,000,000.00).

                      (v)   Kendle   may   satisfy   Seller's    indemnification
        obligations by recourse to the escrow fund held by The Fifth Third Bank,
        as escrow agent,  pursuant to the Escrow  Agreement but recourse to that
        escrow  fund shall not  constitute  Kendle's  sole  remedy or source for
        satisfaction of indemnification claims under this Agreement.

               (c) Indemnification Provisions for Benefit of the Sellers. In the
event Kendle  breaches any of its  representations,  warranties,  and  covenants
contained  herein (or in the event any third party  alleges facts that, if true,
would mean Kendle has breached),  and, if there is an applicable survival period
pursuant to ss.8(a)  above,  provided  that any of the  Sellers  makes a written
claim for indemnification  against Kendle pursuant to ss.11(h) below within such
survival  period,  then Kendle agrees to indemnify  each of the Sellers from and
against the entirety of any Adverse  Consequences  the Seller may suffer through
and  after  the date of the claim for  indemnification  (including  any  Adverse
Consequences  the  Seller may suffer  after the end of any  applicable  survival
period) resulting from, arising out of, relating to, in the nature of, or caused
by the breach (or the alleged  breach).  Kendle shall also  indemnify any Seller
from and against the entirety of any Adverse Consequences such Seller may suffer
as a result  of any  obligations  or  liability  of ACER or any ACER  Subsidiary
(other than this Agreement) guaranteed by such Seller.

               (d)    Matters Involving Third Parties.

                      (i) If  any  third  party  shall  notify  any  Party  (the
          "Indemnified  Party")  with  respect  to any  matter (a  "Third  Party
          Claim") which may give rise to a claim for indemnification against any
          other  Party (the  "Indemnifying  Party")  under  this ss.8,  then the
          Indemnified  Party  shall  promptly  notify  each  Indemnifying  Party
          thereof in writing;  provided,  however,  that no delay on the part of
          the  Indemnified  Party in  notifying  any  Indemnifying  Party  shall
          relieve the  Indemnifying  Party from any obligation  hereunder unless
          (and then  solely to the  extent) the  Indemnifying  Party  thereby is
          prejudiced.

                      (ii) Any Indemnifying  Party will have the right to defend
          the  Indemnified  Party  against the Third Party Claim with counsel of
          its choice reasonably satisfactory to the Indemnified Party so long as
          (A) the Indemnifying  Party notifies the Indemnified  Party in writing
          within 15 days  after the  Indemnified  Party has given  notice of the





<PAGE>




          Third  Party  Claim that the  Indemnifying  Party will  indemnify  the
          Indemnified  Party  from  and  against  the  entirety  of any  Adverse
          Consequences the Indemnified Party may suffer resulting from,  arising
          out of,  relating  to, in the nature of, or caused by the Third  Party
          Claim, (B) the Indemnifying  Party provides the Indemnified Party with
          evidence  reasonably  acceptable  to the  Indemnified  Party  that the
          Indemnifying Party will have the financial resources to defend against
          the Third  Party Claim and  fulfill  its  indemnification  obligations
          hereunder,  (C) the Third Party Claim  involves only money damages and
          does not seek an injunction or other equitable relief,  (D) settlement
          of, or an adverse  judgment  with respect to, the Third Party Claim is
          not, in the good faith judgment of the  Indemnified  Party,  likely to
          establish a precedential  custom or practice materially adverse to the
          continuing  business  interests of the Indemnified  Party, and (E) the
          Indemnifying  Party  conducts  the  defense of the Third  Party  Claim
          actively and diligently.

                      (iii) So long as the Indemnifying  Party is conducting the
          defense of the Third Party Claim in accordance with ss.8(d)(ii) above,
          (A) the Indemnified  Party may retain separate  co-counsel at its sole
          cost and  expense  and  participate  in the defense of the Third Party
          Claim, (B) the Indemnified  Party will not consent to the entry of any
          judgment or enter into any settlement  with respect to the Third Party
          Claim without the prior written consent of the Indemnifying Party (not
          to be withheld unreasonably),  and (C) the Indemnifying Party will not
          consent to the entry of any judgment or enter into any settlement with
          respect to the Third Party Claim without the prior written  consent of
          the Indemnified Party (not to be withheld unreasonably).

                      (iv) In the event  any of the  conditions  in  ss.8(d)(ii)
          above is or becomes  unsatisfied,  however,  (A) the Indemnified Party
          may defend against,  and consent to the entry of any judgment or enter
          into any  settlement  with  respect  to, the Third  Party Claim in any
          manner it reasonably may deem appropriate  (and the Indemnified  Party
          need not consult with, or obtain any consent  from,  any  Indemnifying
          Party in  connection  therewith),  (B) the  Indemnifying  Parties will
          reimburse the  Indemnified  Party  promptly and  periodically  for the
          costs of defending against the Third Party Claim (including reasonable
          attorneys' fees and expenses),  and (C) the Indemnifying  Parties will
          remain responsible for any Adverse  Consequences the Indemnified Party
          may suffer resulting from,  arising out of, relating to, in the nature
          of, or caused by the Third Party Claim to the fullest extent  provided
          in this ss.8.

               (e) Determination of Adverse Consequences. The Parties shall take
into account the time cost of money (using the  Applicable  Rate as the discount
rate) in  determining  Adverse  Consequences  for  purposes  of this  ss.8.  All
indemnification  payments  under  this ss.8 shall be deemed  adjustments  to the
Purchase Price.

               (f)   Other    Indemnification    Provisions.    The    foregoing
indemnification  provisions  are in addition to, and not in  derogation  of, any
statutory,  equitable,  or common law remedy (including  without  limitation any
such remedy arising under  Environmental,  Health, and Safety  Requirements) any
Party may have with  respect to ACER or the  transactions  contemplated  by this
Agreement.



<PAGE>





        9.     Tax Covenants.

               (a) Allocation of Purchase Price. The Purchase Price, liabilities
of ACER  (including,  without  limitation,  any assumed debt) and other relevant
items,  shall be allocated  among ACER's  assets and the covenants in accordance
with Code ss.338 and the regulations  thereunder.  Such allocation  shall be set
forth on a  schedule  which  shall be  prepared  by Kendle and  provided  to the
Sellers  within  one  hundred  twenty  (120) days  following  the  Closing.  The
allocations  set forth on such  schedule  shall be as  reasonably  determined by
Kendle and reasonably  acceptable to Sellers;  provided however, that One Dollar
($1.00)  of  the  Purchase  Price  shall  be  allocated  to the  Covenants.  The
allocations  provided  in such  schedule  shall be used by each  party and their
affiliates  in preparing  all Tax Returns,  subject to adjustment to reflect (x)
the Seller's  selling expenses as a reduction in sales proceeds and (y) Kendle's
acquisition  expenses as an addition to the Purchase  Price.  Within thirty (30)
days after the Closing,  each Seller shall provide  Kendle with all  information
necessary to complete box 11(c) of Internal  Revenue Form 8023.  For purposes of
determining  the  Purchase  Price  under Code  Section  338 and the  regulations
thereunder,  the fair market value of the Kendle common stock  transferred under
Section 2(b) shall be the mean between the highest and lowest  selling  price of
such shares on the Closing  Date as  determined  by the NASDAQ  National  Market
System.

               (b) Payment of Taxes and Fees.  The Sellers  shall pay or reserve
for  payment  when due out of the  Purchase  Price (a) any  documentary,  stamp,
sales,  excise,  transfer or other taxes  (including  income  Taxes)  payable in
respect of the  transfer of the ACER  shares and (b) all fees and  charges  that
were incurred by the Sellers in connection  with the  transactions  contemplated
hereby. The Sellers shall cause to be prepared and filed any and all returns and
other filings relating to any such Taxes.

               (c) Taxes - Sellers. The Sellers shall cause to be timely (giving
effect to any extensions timely filed) and properly  prepared and executed,  and
Kendle shall cause to be timely filed  (provided such income Tax Return has been
timely and properly  prepared),  all income Tax Returns of ACER  relating to all
taxable  periods of ACER ending on or before the Closing  Date,  and the Sellers
shall be  responsible  for the timely payment of all Taxes to which such Returns
relate.  All such Returns shall be prepared,  and all elections  with respect to
such Returns  shall be made,  in a manner  consistent  with past  practice  with
respect to ACER and at the expense of the Sellers.  Sellers shall cause Internal
Revenue Service Forms 8023-A to be attached to all  appropriate  Returns for the
taxable year of ACER ending on the Closing  Date.  The Sellers  shall  provide a
copy of any such Return to Kendle at least ten (10)  business  days prior to the
filing  thereof  for its review and  comment.  The  Sellers  shall not amend any
previously  filed Tax Return without the prior written consent of Kendle,  which
consent shall not be unreasonably withheld or delayed.

               (d) Section 338(h)(10) Election.  The Sellers join with Kendle in
making an election under Code  ss.338(h)(10)  (and any  corresponding  elections
under  state,  local  or  foreign  tax  law)  (collectively,   a  "ss.338(h)(10)
Election") with respect to the purchase and sale of the ACER Shares hereunder.




<PAGE>





               (e) FICA Tax Issue. Promptly after the end of calendar year 1998,
Kendle and the  Requisite  Sellers  shall  jointly  determine the amount of FICA
Taxes  paid  with  respect  to the  Special  Bonuses  by ACER on  behalf  of the
recipients of those Special  Bonuses.  Kendle shall reimburse the Sellers (other
than Minor) in the amount of such Special  Bonus-related FICA Taxes paid by ACER
with respect to ACER employees  other than those who would,  without  receipt of
the Special  Bonuses,  have  received  1998 FICA wages in excess of  Sixty-Eight
Thousand Four Hundred and 00/100 Dollars ($68,400.00).

        10.    Termination.

               (a)  Termination  of  Agreement.   Certain  of  the  Parties  may
terminate this Agreement as provided below:

                      (i) Kendle and the Requisite  Sellers may  terminate  this
        Agreement by mutual written consent at any time prior to the Closing;

                      (ii) Kendle may terminate this Agreement by giving written
        notice to the Requisite  Sellers at any time prior to the Closing (A) in
        the event any of the Sellers has breached  any material  representation,
        warranty,  or  covenant  contained  in this  Agreement  in any  material
        respect,  Kendle has notified the Requisite  Sellers of the breach,  and
        the breach has continued  without cure for a period of 30 days after the
        notice of breach or (B) if the  Closing  shall not have  occurred  on or
        before  February  28,1998,  by reason of the  failure  of any  condition
        precedent  under ss.7(a)  hereof (unless the failure  results  primarily
        from Kendle itself breaching any representation,  warranty,  or covenant
        contained in this Agreement); and

                      (iii) the Requisite  Sellers may terminate  this Agreement
        by giving  written notice to Kendle at any time prior to the Closing (A)
        in the event Kendle has breached any material representation,  warranty,
        or covenant contained in this Agreement in any material respect,  any of
        the  Sellers  has  notified  Kendle of the  breach,  and the  breach has
        continued  without  cure for a period  of 30 days  after  the  notice of
        breach  or (B) if the  Closing  shall  not have  occurred  on or  before
        February 28, 1998, by reason of the failure of any  condition  precedent
        under ss.7(b) hereof (unless the failure  results  primarily from any of
        the  Sellers  themselves  breaching  any  representation,  warranty,  or
        covenant contained in this Agreement).

               (b)  Effect  of  Termination.  Except  as set  forth in ss.  5(g)
relating to breaches by any Seller of his, her or its  exclusivity  covenants or
failure to consummate the transactions  hereby  contemplated and as set forth in
the next sentence,  if any Party terminates this Agreement  pursuant to ss.10(a)
above,  all rights and  obligations  of the Parties  hereunder  shall  terminate
without any  Liability of any Party to any other Party (except for any Liability
of any Party  then in  breach).  Notwithstanding  the  foregoing,  if after this
Agreement has been executed,  Kendle is obligated to consummate the transactions
contemplated  hereby and Kendle fails to do so, Kendle shall (i) pay Sellers, as
liquidated  damages,  an amount equal to Four Percent (4%) of the Purchase Price
and (ii) reimburse Sellers for all out-of-pocket  expenses (including attorneys'
and   accountants'   fees)  ACER  incurs  in  connection  with  the  transaction




<PAGE>





contemplated hereby; provided, however, that this reimbursement amount shall not
exceed Two Hundred Fifty Thousand Dollars ($250,000).

        11.    Miscellaneous.

               (a)    Nature of Certain Obligations.

                      (i) The  covenants of each of the Sellers in ss.2(a) above
        concerning  the sale of his,  her or its ACER  Shares to Kendle  and the
        representations  and  warranties of each of the Sellers in ss.3(a) above
        concerning the transaction are several obligations.  This means that the
        particular Seller making the representation,  warranty, or covenant will
        be solely  responsible  to the  extent  provided  in ss.8  above for any
        Adverse  Consequences  Kendle  may  suffer  as a  result  of any  breach
        thereof.

                      (ii) The remainder of the representations, warranties, and
        covenants  in this  Agreement  are joint and several  obligations.  This
        means that each Seller  will be  responsible  to the extent  provided in
        ss.8  above for the  entirety  of any  Adverse  Consequences  Kendle may
        suffer as a result of any breach thereof.

               (b) Press Releases and Public Announcements. No Party shall issue
any press release or make any public announcement relating to the subject matter
of this  Agreement  prior to the Closing  without the prior written  approval of
Kendle and the  Requisite  Sellers  (which  approval  shall not be  unreasonably
withheld  or  delayed);  provided,  however,  that any Party may make any public
disclosure  it  believes  in good faith is  required  by  applicable  law or any
listing or trading agreement concerning its publicly-traded securities (in which
case the  disclosing  Party will use its  reasonable  best efforts to advise the
other Parties prior to making the disclosure).

               (c) No Third-Party Beneficiaries. This Agreement shall not confer
any  rights  or  remedies  upon any  Person  other  than the  Parties  and their
respective successors and permitted assigns.

               (d) Entire  Agreement.  This  Agreement  (including the documents
referred  to herein)  constitutes  the entire  agreement  among the  Parties and
supersedes any prior understandings,  agreements, or representations by or among
the  Parties,  written  or oral,  to the extent  they  related in any way to the
subject matter hereof.

               (e) Succession and  Assignment.  This Agreement  shall be binding
upon and inure to the benefit of the Parties  named herein and their  respective
successors and permitted  assigns.  No Party may assign either this Agreement or
any of his, her or its rights,  interests,  or obligations hereunder without the
prior written approval of Kendle and the Requisite Sellers;  provided,  however,
that Kendle may (i) assign any or all of its rights and  interests  hereunder to
one or more of its  Affiliates  and (ii) designate one or more of its Affiliates
to  perform  its  obligations  hereunder  (in any or all of which  cases  Kendle
nonetheless  shall  remain  responsible  for  the  performance  of  all  of  its
obligations hereunder).



<PAGE>





               (f)  Counterparts.  This Agreement may be executed in one or more
counterparts,  each of  which  shall  be  deemed  an  original  but all of which
together will constitute one and the same instrument.

               (g) Headings.  The section  headings  contained in this Agreement
are inserted for convenience only and shall not affect in any way the meaning or
interpretation of this Agreement.

               (h) Notices. All notices,  requests,  demands,  claims, and other
communications hereunder will be in writing. Any notice, request, demand, claim,
or other  communication  hereunder  shall be deemed  duly given if (and then two
business days after) it is sent by registered or certified mail,  return receipt
requested, postage prepaid, and addressed to the intended recipient as set forth
below:

        If to the Sellers:          c/o ACER/ EXCEL INC.
                                    6 Commerce Drive
                                    Cranford, New Jersey  07016

               Copy to:             EATON & VAN WINKLE
                                    600 Third Avenue
                                    New York, New York  10016
                                    Attention:  Marianne Gaertner Dorado, Esq.

        If to Kendle:               KENDLE INTERNATIONAL INC.
                                    441 Vine Street
                                    700 Carew Tower
                                    Cincinnati, Ohio  45202
                                    Attention:     Paul F. Ritter, Esq.
                                                   Director of Legal Affairs

               Copy to:             KEATING, MUETHING & KLEKAMP, P.L.L.
                                    One East Fourth Street
                                    1800 Provident Tower
                                    Cincinnati, Ohio  45202
                                    Attention:     Edward E. Steiner, Esq.


Any Party may send any notice,  request,  demand,  claim, or other communication
hereunder  to the  intended  recipient  at the address set forth above using any
other means (including personal delivery,  expedited courier, messenger service,
telecopy,  telex,  ordinary  mail,  or  electronic  mail),  but no such  notice,
request, demand, claim, or other communication shall be deemed to have been duly
given  unless and until it actually is received by the intended  recipient.  Any
Party may change the address to which notices,  requests,  demands,  claims, and
other  communications  hereunder are to be delivered by giving the other Parties
notice in the manner herein set forth.




<PAGE>





               (i)  Governing  Law.  This  Agreement  shall be  governed  by and
construed  in  accordance  with the  domestic  laws of the State of Ohio without
giving effect to any choice or conflict of law provision or rule (whether of the
State of Ohio or any other jurisdiction) that would cause the application of the
laws of any jurisdiction other than the State of Ohio.

               (j) Amendments and Waivers. No amendment of any provision of this
Agreement  shall be valid  unless  the same  shall be in  writing  and signed by
Kendle  and the  Requisite  Sellers.  No  waiver  by any  Party of any  default,
misrepresentation,   or  breach  of  warranty  or  covenant  hereunder,  whether
intentional  or not,  shall be  deemed  to  extend  to any  prior or  subsequent
default,  misrepresentation,  or breach of  warranty or  covenant  hereunder  or
affect in any way any rights  arising by virtue of any prior or subsequent  such
occurrence.

               (k) Severability. Any term or provision of this Agreement that is
invalid or unenforceable  in any situation in any jurisdiction  shall not affect
the validity or  enforceability  of the remaining terms and provisions hereof or
the validity or  enforceability  of the offending term or provision in any other
situation or in any other jurisdiction.

               (l) Expenses.  Each of the Parties and ACER will bear his, her or
its own costs and  expenses  (including  legal fees and  expenses)  incurred  in
connection with this Agreement and the  transactions  contemplated  hereby.  The
Sellers  agree that ACER shall not bear any of the  Sellers'  costs and expenses
(including  any of their  legal  fees and  expenses  or any  brokerage  fees) in
connection with this Agreement or any of the transactions contemplated hereby.

               (m) Construction.  The Parties have  participated  jointly in the
negotiation  and  drafting  of this  Agreement.  In the  event an  ambiguity  or
question of intent or interpretation  arises,  this Agreement shall be construed
as if drafted jointly by the Parties and no presumption or burden of proof shall
arise  favoring or  disfavoring  any Party by virtue of the authorship of any of
the provisions of this Agreement. Any reference to any federal, state, local, or
foreign  statute  or law  shall  be  deemed  also  to  refer  to all  rules  and
regulations promulgated thereunder,  unless the context requires otherwise.  The
word "including"  shall mean including  without  limitation.  The Parties intend
that each  representation,  warranty  and covenant  contained  herein shall have
independent significance. If any Party has breached any representation, warranty
or covenant contained herein in any respect,  the fact that there exists another
representation,  warranty  or  covenant  relating  to the  same  subject  matter
(regardless of relative levels of specificity)  which the Party has not breached
shall not detract  from or mitigate  the fact that the Party is in breach of the
first representation, warranty or covenant.

               (n)  Incorporation  of  Exhibits,  Annexes,  and  Schedules.  The
Exhibits,  Annexes,  and Schedules identified in this Agreement are incorporated
herein by reference and made a part hereof.

               (o) Specific  Performance.  Each of the Parties  acknowledges and
agrees that the other Parties would be damaged  irreparably  in the event any of
the  provisions of this  Agreement  are not  performed in accordance  with their
specific terms or otherwise are breached. Accordingly, each



<PAGE>





of the Parties  agrees that the other Parties shall be entitled to an injunction
or  injunctions  to prevent  breaches of the provisions of this Agreement and to
enforce  specifically  this Agreement and the terms and provisions hereof in any
action  instituted in any court of the United States or any state thereof having
jurisdiction  over the Parties and the matter in addition to any other remedy to
which they may be entitled, at law or in equity.

               (p) Fourth Quarter 1997 Audited Financial Statements. The Sellers
acknowledge that Kendle will cause the fourth quarter 1997 financial  statements
for ACER to be audited  after the Closing,  at Kendle's  expense.  The Requisite
Sellers agree to cooperate reasonably with Kendle's management in the conduct of
such audit and  specifically  shall execute and deliver such management  consent
letters  (consistent with management  consent letters the Requisite Sellers have
previously  delivered)  as  may be  requested  by  Kendle  or  Kendle's  outside
auditors.


                     (remainder of page intentionally blank)



<PAGE>





        IN WITNESS  WHEREOF,  the Parties hereto have executed this Agreement as
of the date first above written.

                                       Kendle:

                                       KENDLE INTERNATIONAL INC.,


                                       By:/s/Christopher C. Bergen
                                          ---------------------------------
                                          Name:  Christopher C. Bergen
                                          Title:


                                       /s/Tzuo-Yan Lee
                                       ------------------------------------
                                       TZUO-YAN LEE


                                        /s/Michael Minor
                                       ------------------------------------
                                       MICHAEL MINOR


                                        /s/Jean C. Lee
                                       ------------------------------------
                                       JEAN C. LEE


                                        /s/Conway Lee
                                       ------------------------------------
                                       CONWAY LEE


                                        /s/Steven Lee
                                       ------------------------------------
                                       STEVEN LEE


                                        /s/Jean C. Lee, Trustee
                                       ------------------------------------
                                       JEAN C. LEE, as Trustee under Trust
                                       dated March 8, 1991 fbo JENNIFER LEE


                                       CITICORP TRUST - SOUTH DAKOTA
                                       AS TRUSTEE U/A MAY 15, 1997 m/b
                                       TZUO YAN LEE

                                       By:/s/Robin Moug Stephens, Trust Officer
                                          ---------------------------------
                                           Name:  Robin Moug Stephens



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