EXECUTIVE EMPLOYMENT AGREEMENT





     This Executive Employment Agreement (the "Agreement"), is dated as of March
1, 2002, by and between Mylan  Laboratories  Inc. (the  "Company") and Stuart A.
Williams ("Executive").

                                    RECITALS:

     WHEREAS,  the Company wishes to employ Executive as Chief Legal Officer but
may be interested in utilizing Executive in capacities other than as Chief Legal
Officer in order to avail itself of Executive's skills and abilities in light of
the Company's business needs; and

     WHEREAS,  Executive is desirous of assisting the Company in whatever manner
the  Chairman,   Chief  Executive  Officer,   and/or  Board  of  Directors  deem
appropriate;

     NOW, THEREFORE,  in consideration of the promises and mutual obligations of
the parties contained herein, and for other valuable consideration,  the receipt
and  sufficiency  of which are hereby  acknowledged,  the Company and  Executive
agree as follows:

          1.  Employment of Executive.  The Company agrees to employ  Executive,
     and Executive accepts employment by the Company,
     during the term of this  Agreement for the  consideration  and on the terms
     and conditions provided herein.

          2. Effective Date:  Term of Employment.  This Agreement shall commence
     and be effective for all purposes as
     of March 1, 2002 and shall remain in effect, unless earlier terminated,  or
     extended or renewed,  as provided in Section 8 of this  Agreement,  through
     December 31, 2004.

          3. Executive's Compensation.  Executive's "Compensation" shall include
     the  following:  (a) Base  Salary.  During the term of this  Agreement,  as
     Executive's base compensation for all services to be performed, the Company
     shall pay Executive an annual salary of  $350,000.00  (the "Base  Salary"),
     payable in accordance with the Company's  normal payroll  practices for its
     executive officers.  This base salary may be increased from time to time at
     the  discretion  of the Board of Directors of the Company or any  committee
     thereof having authority over executive compensation.

          (b)  Bonus.  During  the term of this  Agreement,  Executive  shall be
     eligible  to  receive  an  annual  discretionary  bonus up to  seventy-five
     percent (75%) of Executive's Base Salary.

          (c) Non-Qualified Stock Options. Executive shall receive non-qualified
     options to purchase up to 200,000 shares of Mylan  Laboratories Inc. common
     stock under the 1997 Mylan  Laboratories  Inc.  Incentive Stock Option Plan
     (the "Plan") in accordance with the following  vesting  schedule,  provided
     that  Executive  remains  employed by the Company on the following  vesting
     dates:  on March 1, 2002,  Executive  shall  receive an option to  purchase
     100,000  shares;  on March 1, 2003,  Executive  shall  receive an option to
     purchase an additional 50,000 shares; and on March 1, 2004, Executive shall
     receive an option to purchase an additional  50,000  shares.  These options
     will be subject to all terms of the Plan,  as  amended  and the  applicable
     stock option agreement.

          (d)  Fringe  Benefits  and  Other  Agreements.   During  the  term  of
     Employment,  Executive  shall  receive such  benefits of  employment as are
     granted  senior  executive  employees  at the Chief  Legal  Officer  level,
     including but not limited to, health  insurance  coverage,  profit-sharing,
     participation in the Company's 401(k) plan, short-term disability benefits,
     25 vacation days, expense reimbursement, and automobile usage in accordance
     with the plan documents or policies that govern such benefits.  The Company
     will also pay for or reimburse  Executive for professional fees and/or dues
     including  fees  and  travel  expenses  associated  with  continuing  legal
     education  requirements.  Executive shall also be considered eligible under
     such other  agreements as are  available to senior  executives at the Chief
     Legal Officer level such as the change in control agreement.

          4.  Confidentiality.  Executive  recognizes and acknowledges  that the
     business  interests  of the  Company  and  its  subsidiaries,  parents  and
     affiliates  (collectively  the "Mylan  Companies")  require a  confidential
     relationship  between the Company and Executive and the fullest  protection
     and  confidential  treatment of the financial data,  customer  information,
     supplier  information,  market  information,  marketing and/or  promotional
     techniques and methods,  pricing information,  purchase information,  sales
     policies,  employee  lists,  policy  and  procedure  information,  records,
     advertising  information,  computer records, trade secrets, know how, plans
     and programs, sources of supply, and other knowledge of the business of the
     Mylan Companies (all of which are hereinafter jointly termed  "Confidential
     Information")  which have or may in whole or in part be conceived,  learned
     or obtained by Executive in the course of Executive's  employment  with the
     Company.  Accordingly,  Executive  agrees  to  keep  secret  and  treat  as
     confidential all Confidential  Information  whether or not copyrightable or
     patentable, and agrees not to use or aid others in learning of or using any
     Confidential  Information  except in the ordinary course of business and in
     furtherance of the Company's  interests.  During the term of this Agreement
     and at all times  thereafter,  except  insofar as is  necessary  disclosure
     consistent with the Company's business interests:

               (a)  Executive  will not,  directly or  indirectly,  disclose any
          Confidential Information to anyone outside the Mylan Companies;

               (b) Executive  will not make copies of or otherwise  disclose the
          contents  of  documents   containing  or   constituting   Confidential
          Information;

               (c) As to documents which are delivered to Executive or which are
          made available to him as a necessary part of the working relationships
          and duties of Executive within the business of the Company,  Executive
          will treat such documents confidentially and will treat such documents
          as proprietary and  confidential,  not to be reproduced,  disclosed or
          used without appropriate authority of the Company;

               (d) Executive will not advise others that the information  and/or
          know how included in  Confidential  Information is known to or used by
          the Company; and

               (e) Executive will not in any manner disclose or use Confidential
          Information  for  Executive's  own account and will not aid, assist or
          abet others in the use of  Confidential  Information for their account
          or  benefit,  or for the  account  or  benefit of any person or entity
          other than the Company.

     The  obligations  set forth in this  paragraph are in addition to any other
agreements  the  Executive  may have with the Company and any and all rights the
Company may have under state or federal statutes or common law.

          5. Non-Competition and Non-Solicitation.  Executive agrees that during
     the term of this  Agreement  and for a period  ending  two (2) years  after
     termination of Executive's employment with the Company for any reason:

               (a)  Executive  shall not,  directly or  indirectly,  whether for
          himself or for any other person, company,  corporation or other entity
          be or become  associated in any way  (including but not limited to the
          association set forth in i-vii of this  subsection)  with any business
          or  organization  which  is  directly  or  indirectly  engaged  in the
          research, development,  manufacture,  production, marketing, promotion
          or sale of any  product  the same as or  similar to those of the Mylan
          Companies,  or which  competes  or  intends  to compete in any line of
          business   with   the   Mylan   Companies    within   North   America.
          Notwithstanding  the  foregoing,  Executive  may  during the period in
          which  this  paragraph  is in effect own stock or other  interests  in
          corporations  or other  entities that engage in businesses the same or
          substantially  similar  to those  engaged  in by the Mylan  Companies,
          provided that  Executive does not,  directly or indirectly  (including
          without  limitation  as the result of  ownership or control of another
          corporation or other entity),  individually  or as part of a group (as
          that term is defined in Section 13 (d) of the Securities  Exchange Act
          of  1934,  as  amended,  and the  rules  and  regulations  promulgated
          thereunder) (i) control or have the ability to control the corporation
          or other entity, (ii) provide to the corporation or entity, whether as
          an Executive,  consultant or otherwise, advice or consultation,  (iii)
          provide to the  corporation or entity any  confidential or proprietary
          information  regarding  the  Mylan  Companies  or  its  businesses  or
          regarding  the  conduct  of  businesses  similar to those of the Mylan
          Companies,  (iv) hold or have the right by contract or  arrangement or
          understanding  with other  parties to hold a position  on the board of
          directors or other governing body of the corporation or entity or have
          the right by  contract  or  arrangement  or  understanding  with other
          parties to elect one or more persons to any such position,  (v) hold a
          position  as an officer of the  corporation  or entity,  (vi) have the
          purpose  to change or  influence  the  control of the  corporation  or
          entity  (other  than  solely by the voting of his shares or  ownership
          interest) or (vii) have a business or other relationship,  by contract
          or otherwise,  with the  corporation or entity other than as a passive
          investor in it; provided,  however, that Executive may vote his shares
          or ownership  interest in such manner as he chooses provided that such
          action does not otherwise  violate the  prohibitions set forth in this
          sentence.

               (b) Executive will not, either directly or indirectly, either for
          himself  or  for  any  other  person,   partnership,   firm,  company,
          corporation or other entity,  contact,  solicit,  divert, or take away
          any of the customers or suppliers of the Mylan Companies.

               (c) Executive  will not solicit,  entice or otherwise  induce any
          employee  of the  Mylan  Companies  to leave  the  employ of the Mylan
          Companies for any reason  whatsoever;  nor will Executive  directly or
          indirectly  aid,  assist  or  abet  any  other  person  or  entity  in
          soliciting  or hiring any  employee of the Mylan  Companies,  nor will
          Executive  otherwise  interfere with any contractual or other business
          relationships between the Mylan Companies and its employees.

          6. Severability.  Should a court of competent  jurisdiction  determine
     that any section or sub-section of this Agreement is unenforceable  because
     one or all of them are vague or overly  broad,  the parties agree that this
     Agreement may and shall be enforced to the maximum extent permitted by law.
     It is the intent of the parties that each section and  sub-section  of this
     Agreement be a separate and distinct promise and that  unenforceability  of
     any one subsection shall have no effect on the enforceability of another.

          7.  Injunctive  Relief.  The  parties  agree  that  in  the  event  of
     Executive's  violation  of  sections  4 and/or 5 of this  Agreement  or any
     subsection  thereunder,  that the damage to the Company will be irreparable
     and that money  damages  will be  difficult  or  impossible  to  ascertain.
     Accordingly, in addition to whatever other remedies the Company may have at
     law or in equity, Executive recognizes and agrees that the Company shall be
     entitled to a temporary  restraining  order and a temporary  and  permanent
     injunction  enjoining and prohibiting any acts not permissible  pursuant to
     this Agreement.  Executive  agrees that should either party seek to enforce
     or determine  its rights  because of an act of Executive  which the Company
     believes to be in contravention of sections 4 and/or 5 of this Agreement or
     any subsection thereunder, the duration of the restrictions imposed thereby
     shall be extended for a time period equal to the period necessary to obtain
     judicial enforcement of the Company's rights.

          8. Termination of Employment.

               (a)  Resignation  Without Good Reason.  Executive may resign from
          employment  at any time upon 90 days  written  notice to the  Company.
          During the 90 days notice  period  Executive  will continue to perform
          duties and abide by all other terms and conditions of this  Agreement.
          Additionally,  Executive  will use his best efforts to effect a smooth
          and  effective  transition  to whomever  will replace  Executive.  The
          Company  reserves  the  right  to  accelerate  the  effective  date of
          Executive's  resignation.  If Executive  resigns without "Good Reason"
          (as defined  below),  the Company shall have no liability to Executive
          under this Agreement other than that the Company shall pay Executive's
          wages  and  benefits   through  the  effective   date  of  Executive's
          resignation.  Executive,  however,  will  continue  to be bound by all
          provisions of this Agreement  that survive  termination of employment.
          For purposes of this  Agreement,  "Good Reason" shall mean a reduction
          of  Executive's  Compensation  or  responsibilities,  unless all other
          similarly  situated  senior  executives of the Company are required to
          accept a similar reduction,  or a relocation of Executive's  principal
          place of work to a location  more than thirty  miles from  Morgantown,
          West Virginia  (with the exception of a relocation  within 30 miles of
          Pittsburgh,  PA which would be permissible  unless and until Executive
          moves to Morgantown,  West Virginia).  If Executive  resigns with Good
          Reason and complies in all respects  with his  obligations  hereunder,
          the Company will continue to pay Executive his Compensation  including
          bonuses  commensurate  with  the  bonuses,  if any,  awarded  to other
          similarly  situated senior executives of the Company,  for twenty-four
          (24)  months  following  expiration  of  the  90  days  notice  period
          provided,  however, that in the case of health insurance continuation,
          the Company's  obligation to provide health  insurance  benefits shall
          end at such time as  Executive,  at his  option,  voluntarily  obtains
          health  insurance  benefits  through another  employer or otherwise in
          connection with rendering services for a third party.  Executive shall
          also be  entitled  one  hundred  percent  (100%)  vesting of all stock
          options described in this Agreement in the event of a Resignation with
          Good Reason.

               (b)  Termination  for Cause.  The Company agrees not to terminate
          Executive's  employment  during the term of this Agreement  except for
          Cause, as defined herein,  and agrees to give Executive written notice
          of its belief that acts or events constituting Cause exist.  Executive
          has the  right to cure  within  fourteen  (14)  days of the  Company's
          giving of such notice,  the acts,  events or  conditions  which led to
          such notice being given. For purposes of this Agreement, "Cause" shall
          mean: (i) Executive's willful and substantial  misconduct with respect
          to the Company's  business or affairs;  (ii) Executive's gross neglect
          of duties,  (iii)  Executive's  conviction of a crime  involving moral
          turpitude;   (iv)  Executive's   conviction  of  any  felony;  or  (v)
          Executive's  death. If the Company terminates  Executive's  employment
          for Cause, the Company shall have no liability to Executive other than
          to pay  Executive's  wages and benefits  through the effective date of
          Executive's termination. Executive, however, will continue to be bound
          by all  provisions  of this  Agreement  that  survive  termination  of
          employment.

               (c)  Termination   Without  Cause.  If  the  Company   discharges
          Executive  without  Cause,  the Company will continue to pay Executive
          his Compensation  including bonuses  commensurate with the bonuses, if
          any,  awarded to other  similarly  situated  senior  executives of the
          Company,  for twenty four (24) months provided,  however,  that in the
          case of health  insurance  continuation,  the Company's  obligation to
          provide health insurance benefits shall end at such time as Executive,
          at his option,  voluntarily  obtains health insurance benefits through
          another  employer or otherwise in connection  with rendering  services
          for a third  party.  Executive  shall also be  entitled to one hundred
          percent  (100%)  vesting  of  all  stock  options  described  in  this
          Agreement  in the event of a  Termination  Without  Cause.  Executive,
          however, will continue to be bound by all provisions of this Agreement
          that survive termination of employment.

               (d) Extension or Renewal.  The Term of Employment may be extended
          or renewed upon mutual agreement of Executive and the Company.  If the
          Term of  Employment  is not  extended  or  renewed  on terms  mutually
          acceptable to Executive and the Company, and if this Agreement has not
          been already  terminated  for reasons stated in Section 9 (a), (b), or
          (c) of this Agreement,  Executive shall be paid severance in an amount
          equal to Executive's Base Salary, less applicable withholding, through
          normal payroll procedures in equal monthly installments, and shall pay
          the cost of continuing  Executive's  health insurance benefits in both
          cases for twenty four (24) months provided,  however, that in the case
          of health insurance continuation,  the Company's obligation to provide
          health insurance benefits shall end at such time as Executive,  at his
          option,  voluntarily obtains health insurance benefits through another
          employer or  otherwise in  connection  with  rendering  services for a
          third  party.  Executive,  however,  will  continue to be bound by all
          provisions of this Agreement that survive termination of employment.

               (e)  Return  of  Company   Property.   Upon  the  termination  of
          Executive's  employment for any reason,  Executive  shall  immediately
          return to the Company all records,  memoranda,  files, notes,  papers,
          correspondence,  reports,  documents,  books, diskettes,  hard drives,
          electronic  files, and all copies or abstracts  thereof that Executive
          has  concerning   the  Company's   business.   Executive   shall  also
          immediately return all keys,  identification cards or badges and other
          Company property.

          9. Indemnification.  In the event that Executive is made a party or is
     threatened  to be made a party to or is  involved  in any  action,  suit or
     proceeding,  whether  civil,  criminal,   administrative  or  investigative
     ("proceeding"),  by  reason  of the  fact  that  he is or  was an  officer,
     employee  or agent of or is or was serving at the request of the Company as
     a director or officer,  employee or agent or another  corporation,  or of a
     partnership,  joint venture,  trust or other enterprise,  including service
     with  respect  to  employee  benefit  plans,  whether  the  basis  of  such
     proceeding  is  alleged  action  in an  official  capacity  as a  director,
     officer,  employee  or agent or in any other  capacity  while  serving as a
     director,  officer,  employee or agent,  Executive shall be indemnified and
     held  harmless  by the  Company to the  fullest  extent  authorized  by law
     against all expenses,  liabilities  and losses  (including  attorneys fees,
     judgments, fines, ERISA excise taxes or penalties and amounts paid or to be
     paid in  settlement)  reasonably  incurred  or  suffered  by  Executive  in
     connection  therewith.  Such  right  shall be a  contract  right  and shall
     include the right to be paid by the Company expenses  incurred in defending
     any such proceeding in advance of its final disposition; provided, however,
     that the payment of such expenses  incurred by Executive in his capacity as
     a director or officer (and not in any other  capacity in which  service was
     or is rendered by Executive while a director or officer, including, without
     limitation,  service to an employee  benefit  plan) in advance of the final
     disposition  of such  proceeding  will be made  only upon  delivery  to the
     Company  of an  undertaking,  by or on  behalf of  Executive,  to repay all
     amounts to so advanced if it should be determined ultimately that Executive
     is not entitled to be indemnified under this section or otherwise.

     Promptly  after receipt by Executive of notice of the  commencement  of any
action,   suit  or  proceeding  for  which  Executive  may  be  entitled  to  be
indemnified,  Executive shall notify the Company in writing of the  commencement
thereof  (but the  failure to notify the  Company  shall not relieve it from any
liability  which it may have under this Section 10 unless and to the extent that
it has  been  prejudiced  in a  material  respect  by such  failure  or from the
forfeiture of  substantial  rights and  defenses).  If any such action,  suit or
proceeding  is brought  against  Executive  and he  notifies  the Company of the
commencement  thereof, the Company will be entitled to participate therein, and,
to the extent it may elect by written  notice  delivered to  Executive  promptly
after  receiving  the  aforesaid  notice from  Executive,  to assume the defense
thereof with counsel reasonably satisfactory to Executive, which may be the same
counsel as counsel to the  Company.  Notwithstanding  the  foregoing,  Executive
shall  have the right to employ his own  counsel in any such case,  but the fees
and expenses of such counsel shall be at the expense of Executive unless (i) the
employment of such counsel shall have been authorized in writing by the Company,
(ii) the Company  shall not have employed  counsel  reasonably  satisfactory  to
Executive to take charge of the defense of such action within a reasonable  time
after  notice of  commencement  of the  action  or (iii)  Executive  shall  have
reasonably  concluded,  after  consultation  with counsel to  Executive,  that a
conflict of interest exists which makes  representation by counsel chosen by the
Company not  advisable  (in which case the  Company  shall not have the right to
direct  the  defense  of such  action on behalf of  Executive),  in any of which
events such fees and expenses of one  additional  counsel  shall be borne by the
Company.  Anything  in this  Section  11 to the  contrary  notwithstanding,  the
Company shall not be liable for any  settlement of any claim or action  effected
without its written consent.

          10. Efforts and Transition.  During the Term of Employment,  Executive
     shall:  serve  the  Company  to the best of his  ability,  and use his best
     efforts to promote the  interests of the Company.  In  furtherance  of this
     objective the Company expects and understands  that Executive will maintain
     an "of  counsel"  relationship  with his  former  firm  under the terms and
     conditions  set forth in the agreement  dated as of March 1, 2002 (attached
     hereto as Exhibit A) or maintain an of counsel  relationship  with  another
     private  law firm under  substantially  similar  terms.  The  Company  also
     recognizes that Executive is engaged in certain legal  representations that
     will need to be transitional over time. Said legal  representations may not
     affect performance of Executive's obligations under this Agreement.


          11. Other  Agreements.  The rights and  obligations  contained in this
     Agreement are in addition to and not in place of any rights or  obligations
     contained in any other agreements between the Executive and the Company.

          12. Notices.  All notices  hereunder to the parties hereto shall be in
     writing sent by certified mail, return receipt requested,  postage prepaid,
     and by fax, addressed to the respective parties at the following addresses:






         MYLAN:            Mylan Laboratories Inc.
                                    781 Chestnut Ridge Road
                                    Morgantown, West Virginia 26504-4310
                                    Attention: Chairman of the Board

         EXECUTIVE:        Stuart A. Williams
                                    2189 Meadowmont Drive
                                    Pittsburgh, PA  15241


         Either party may, by written notice complying with the requirements of
this section, specify another or different person or address for the purpose of
notification hereunder. All notices shall be deemed to have been given and
received on the day a fax is sent or, if mailed only, on the third business day
following such mailing.

          13.  Withholding.  All  payments  required  to be made by the  Company
     hereunder to Executive or his dependents,  beneficiaries, or estate will be
     subject to the  withholding  of such  amounts  relating to tax and/or other
     payroll deductions as may be required by law.

          14.  Modification  and Waiver.  This  Agreement  may not be changed or
     terminated orally, nor shall any change, termination or attempted waiver of
     any of the  provisions  contained in this  Agreement  be binding  unless in
     writing  and  signed  by the  party  against  whom the same is sought to be
     enforced, nor shall this section itself by waived verbally.  This Agreement
     may be amended only by a written  instrument  duly executed by or on behalf
     of the parties hereto.

          15.  Construction  of  Agreement.   This  Agreement  and  all  of  its
     provisions  were subject to  negotiation  and shall not be  construed  more
     strictly  against one party than against another party  regardless of which
     party drafted any particular provision.

          16. Successors and Assigns.  This Agreement and all of its provisions,
     rights and  obligations  shall be binding  upon and inure to the benefit of
     the parties hereto and the Company's successors and assigns. This Agreement
     may be assigned by the Company to any  person,  firm or  corporation  which
     shall become the owner of substantially all of the assets of the Company or
     which shall succeed to the business of the Company; provided, however, that
     in the event of any such  assignment the Company shall obtain an instrument
     in writing from the assignee in which such assignee assumes the obligations
     of the Company  hereunder  and shall  deliver an executed  copy  thereof to
     Executive. No right or interest to or in any payments or benefits hereunder
     shall be assignable by Executive;  provided,  however,  that this provision
     shall  not  preclude  him from  designating  one or more  beneficiaries  to
     receive  any  amount  that may be  payable  after  his  death and shall not
     preclude the legal  representative  of his estate from  assigning any right
     hereunder to the person or persons  entitled  thereto under his will or, in
     the case of intestacy,  to the person or persons entitled thereto under the
     laws of intestacy  applicable to his estate.  The term  "beneficiaries"  as
     used  in  this  Agreement  shall  mean  a  beneficiary  or  beneficiary  or
     beneficiaries  so  designated  to  receive  any  such  amount,   or  if  no
     beneficiary  has  been  so  designated,  the  legal  representative  of the
     Executive's  estate. No right,  benefit,  or interest  hereunder,  shall be
     subject to anticipation, alienation, sale, assignment, encumbrance, charge,
     pledge,  hypothecation,  or  set-off in  respect  of any  claim,  debt,  or
     obligation,  or to  execution,  attachment,  levy, or similar  process,  or
     assignment by operation of law. Any attempt,  voluntary or involuntary,  to
     effect any action specified in the immediately preceding sentence shall, to
     the full extent permitted by law, be null, void, and of no effect.

          17.  Choice of Law and Forum.  This  Agreement  shall be construed and
     enforced  according to, and the rights and obligations of the parties shall
     be  governed  in  all  respects  by,  the  laws  of  the   Commonwealth  of
     Pennsylvania. Any controversy,  dispute or claim arising out of or relating
     to this Agreement,  or the breach hereof,  including a claim for injunctive
     relief,  or any  claim  which,  in any way  arises  out of or  relates  to,
     Executive's  employment  with  the  Company  or  the  termination  of  said
     employment,   including   but  not   limited   to   statutory   claims  for
     discrimination,  shall be resolved by  arbitration  in accordance  with the
     then  current  rules of the  American  Arbitration  Association  respecting
     employment  disputes.  The  hearing  of any  such  dispute  will be held in
     Pittsburgh,  Pennsylvania,  and the  parties  shall  bear  their own costs,
     expenses and counsel fees. The decision of the arbitrator(s)  will be final
     and binding on all parties.  Executive and the Company expressly consent to
     the jurisdiction of any such arbitrator over them.

          18. Headings. The headings of the sections of this Agreement have been
     inserted for  convenience  of reference only and shall in no way affect the
     interpretation of any of the terms or conditions of this Agreement.

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


         IN WITNESS WHEREOF, the undersigned have executed this Agreement as of
the day and year first above mentioned.


MYLAN LABORATORIES INC.                              EXECUTIVE:


By:_____________________________                     \s\ Stuart A. Williams
                                                     Stuart A. Williams
Its:_____________________________