AMERICAN PACIFIC CORP
S-8, 1998-05-22
INDUSTRIAL INORGANIC CHEMICALS
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      As filed with the Securities and Exchange Commission on May 22, 1998
                                                       Registration No. 333-


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                              --------------------
                                    FORM S-8
                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933
                              --------------------
                          AMERICAN PACIFIC CORPORATION
             (Exact Name of Registrant as Specified in its Charter)


                  DELAWARE                                        59-6490478
(State or other jurisdiction of incorporation                  (I.R.S. Employer
                or organization)                             Identification No.)

          3770 HOWARD HUGHES PARKWAY,                               89109
                   SUITE 300                                     (Zip Code)
                LAS VEGAS, NEVADA
    (Address of principal executive offices)


                             1997 STOCK OPTION PLAN
                         AND OPTIONS GRANTED TO CERTAIN
                        EXECUTIVE OFFICERS AND DIRECTORS
                            (Full Title of the Plan)

                                  DAVID N. KEYS
                            EXECUTIVE VICE PRESIDENT
                          AMERICAN PACIFIC CORPORATION
                      3770 HOWARD HUGHES PARKWAY, SUITE 300
                             LAS VEGAS, NEVADA 89109
                     (Name and Address of Agent for Service)

                                 (702) 735-2200
          (Telephone number, including area code, of agent for service)

                                 WITH A COPY TO:
                           VICTOR M. ROSENZWEIG, ESQ.
                     OLSHAN GRUNDMAN FROME & ROSENZWEIG LLP
                                 505 PARK AVENUE
                            NEW YORK, NEW YORK 10022
                                 (212) 753-7200

            Approximate date of proposed sales pursuant to the plan:
   FROM TIME TO TIME AFTER THE EFFECTIVE DATE OF THIS REGISTRATION STATEMENT.

<TABLE>
<CAPTION>

                         CALCULATION OF REGISTRATION FEE
====================================================================================================================================
                                                            Proposed                Proposed
                                                            maximum                  maximum
       Title of                    Amount                   offering                aggregate                   Amount of
      securities                   to be                     price                  offering                   registration
   to be registered              registered                per share                  price                        fee
- ------------------------------------------------------------------------------------------------------------------------------------
Common Stock,
<S>                          <C>                          <C>                      <C>                              <C>
$.10 par value               325,000 shares(1)            $9.9375(4)               $3,229,687.50(4)                 $  952.76
                       -------------------------------------------------------------------------------------------------------------
                              95,000 shares(1)            $ 7.00(2)                $  665,000                       $1,961.75
                       -------------------------------------------------------------------------------------------------------------
                             180,000 shares(1)            $7.125(3)                $1,282,500                       $  378.34
- ------------------------------------------------------------------------------------------------------------------------------------
Total.................       600,000 shares                                        $5,177,187.50                    $3,292.85
====================================================================================================================================
</TABLE>

<PAGE>

(1) There are also  registered  hereby  such  indeterminate  number of shares of
Common  Stock  as  may  become  issuable  by  reason  of  the  operation  of the
anti-dilution  provisions  of the 1997  Stock  Option  Plan (the  "Plan") of the
Company  and of the  Option  Agreements  with  certain  Executive  Officers  and
Directors.
2) Represents  the average price per share of Common Stock to be issued upon the
exercise of options held by certain Directors of the Company.
(3) Represents the average price per share of Common Stock to be issued upon the
exercise  of options  held by certain  Executive  Officers of the  Company.
(4) Pursuant to Rules 457(g) and (h), the offering price for such 325,000 shares
is estimated  solely for the purpose of determining the  registration fee and is
based on the average of the high and low prices of the  Company's  Common  Stock
($9.9375) as reported by The Nasdaq Stock Market, Inc. on May 20, 1998.


                                       -2-

<PAGE>
                                     PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

ITEM 3.  INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

         The  following   documents  filed  with  the  Securities  and  Exchange
Commission (the  "Commission")  are incorporated  herein by reference and made a
part hereof:

                  (a) The Annual  Report of American  Pacific  Corporation  (the
         "Company")  on Form 10-K and Form  10-K/A  for the  fiscal  year  ended
         September 30, 1997.

                  (b) The  Company's  Quarterly  Reports  on Form  10-Q  for the
         fiscal  quarters  ended  December 31, 1997 and March 31, 1998,  and the
         Company's  Current  Reports  on Form 8-K  filed on  October  15,  1997,
         February 19, 1998 and March 27, 1998.

                  (c) The description of the Company's  securities  contained in
         the  Company's  Registration  Statement on Form 8-A filed  December 28,
         1992.

         All  reports  and other  documents  subsequently  filed by the  Company
pursuant to Sections 13, 14 and 15(d) of the Securities Exchange Act of 1934, as
amended, prior to the filing of a post-effective  amendment which indicates that
all securities offered hereby have been sold or which deregisters all securities
remaining unsold,  shall be deemed to be incorporated by reference herein and to
be a part hereof from the date of the filing of such reports and documents.

ITEM 4.  DESCRIPTION OF SECURITIES

         Not applicable.

ITEM 5.  INTEREST OF NAMED EXPERTS AND COUNSEL

         Certain  legal  matters in  connection  with the issuance of the Shares
offered hereby have been passed upon for the Company by Messrs.  Olshan Grundman
Frome & Rosenzweig LLP, New York, New York 10022. Victor M. Rosenzweig, a member
of such firm,  is a Director of the Company and holds shares of Common Stock and
options to purchase Common Stock of the Company.

ITEM 6.  INDEMNIFICATION OF OFFICERS AND DIRECTORS

         The  General  Corporation  Law of the State of  Delaware  (the  "DGCL")
permits indemnification of directors, employees and agents of corporations under
certain conditions and subject to certain  limitations.  The section of Delaware
law pertaining to  indemnification  is set forth below in full.  Pursuant to the
DGCL,  the  Company has  included  provisions  in its  Restated  Certificate  of
Incorporation,  as amended,  (A) to provide that the Company shall indemnify its
directors  and  officers to the full extent  permitted by the DGCL and any other
laws of  Delaware  as from time to time in effect and (B) to limit the  personal
liability  of a director  to the  Company  for  monetary  damages  for breach of
fiduciary  duty as a director;  except that  liability is not eliminated for (i)
any breach of the director's duty of loyalty to the Company or its stockholders,
(ii) acts or omissions not in good faith or which involve intentional misconduct
or a knowing  violation  of law,  (iii)  unlawful  payment of dividends or stock
purchases  or  redemptions  pursuant  to  Section  174 of the DGCL,  or (iv) any
transaction from which the director derived an improper personal benefit.

         The  Company's  by-laws  provide that the Company  shall  indemnify any
person  who  was or is a  party  or is  threatened  to be  made a  party  to any
threatened, pending or completed action, suit or proceeding by reason of

                                       -3-

<PAGE>
the fact  that he is or was a  director,  officer,  employee  or an agent of the
Company or is or was  serving  at the  request  of the  Company  as a  director,
officer,  employee or agent of (or in any other capacity)  another  corporation,
partnership,  joint  venture,  trust or other  enterprise,  against all expenses
(including  attorneys'  fees),  judgments,  fines and amounts paid in settlement
actually  and  reasonably  incurred  by him in  connection  with the  defense or
settlement of such action,  suit or proceeding,  to the extent and in the manner
substantially  the  same  as set  forth  in and  permitted  by  the  DGCL.  Such
indemnification  (other than as ordered by a court) shall be made by the Company
only upon a determination  that  indemnification  is proper in the circumstances
because the individual met the applicable standard of conduct. Advances for such
indemnification may be made pending such determination. Such determination shall
be made by a majority vote of a quorum consisting of disinterested directors, or
by   independent   legal  counsel  or  by  the   stockholders.   Such  right  of
indemnification  is not to be deemed exclusive of any other rights to which such
director,  officer, employee or agent is entitled and shall inure to the benefit
of the heirs, executors and administrators of each such person.

         The Company  also  maintains a directors  and  officers  insurance  and
company  reimbursement policy. The policy insures directors and officers against
unindemnified  loss arising from certain  wrongful acts in their  capacities and
reimburses  the  Company  for such  loss for  which  the  Company  has  lawfully
indemnified the directors and officers.  The policy contains various exclusions,
no one of which relates to the offering hereunder.

         Section 145 of the DGCL provides as follows:

                  (a) A  corporation  may  indemnify  any person who was or is a
         party or is threatened to be made a party to any threatened, pending or
         completed  action,  suit  or  proceeding,   whether  civil,   criminal,
         administrative  or investigative  (other than action by or in the right
         of the corporation) by reason of the fact that he is or was a director,
         officer, employee or agent of the corporation,  or is or was serving at
         the  request of the  corporation  as a director,  officer,  employee or
         agent of another  corporation,  partnership,  joint  venture,  trust or
         other  enterprise,   against  expenses  (including   attorneys'  fees),
         judgments, fines and amounts paid in settlement actually and reasonably
         incurred by him in connection  with such action,  suit or proceeding if
         he acted in good faith and in a manner he reasonably  believed to be in
         or not opposed to the best  interests  of the  corporation,  and,  with
         respect to any criminal action or proceeding,  had no reasonable  cause
         to believe his conduct was  unlawful.  The  termination  of any action,
         suit or proceeding by judgment, order, settlement,  conviction, or upon
         a plea of nolo  contendere  or its  equivalent,  shall not,  of itself,
         create a presumption that the person did not act in good faith and in a
         manner which he reasonably believed to be in or not opposed to the best
         interests of the corporation,  and, with respect to any criminal action
         or  proceeding,  had  reasonable  cause to believe that his conduct was
         unlawful.

                  (b) A  corporation  may  indemnify  any person who was or is a
         party or is threatened to be made a party to any threatened, pending or
         completed  action  or suit by or in the  right  of the  corporation  to
         procure a judgment in its favor by reason of the fact that he is or was
         a director, officer, employee or agent of the corporation, or is or was
         serving  at the  request of the  corporation  as a  director,  officer,
         employee or agent of another corporation,  partnership,  joint venture,
         trust or other enterprise against expenses (including  attorneys' fees)
         actually and reasonably  incurred by him in connection with the defense
         or settlement of such action or suit if he acted in good faith and in a
         manner  he  reasonably  believed  to be in or not  opposed  to the best
         interests of the corporation and except that no  indemnification  shall
         be made in  respect  of any  claim,  issue or matter  as to which  such
         person shall have been adjudged to be liable to the corporation  unless
         and only to the extent that the Court of Chancery or the court in which
         such action or suit was brought shall determine upon application  that,
         despite  the   adjudication  of  liability  but  in  view  of  all  the
         circumstances  of the  case,  such  person  is  fairly  and  reasonably
         entitled to indemnity for such expenses  which the Court of Chancery or
         such other court shall deem proper.


                                       -4-

<PAGE>
                  (c) To the extent that a director,  officer, employee or agent
         of a  corporation  has been  successful  on the merits or  otherwise in
         defense of any action,  suit or proceeding  referred to in  subsections
         (a) and (b) of this  section,  or in  defense  of any  claim,  issue or
         matter therein,  he shall be indemnified  against  expenses  (including
         attorneys' fees) actually and reasonably  incurred by him in connection
         therewith.

                  (d) Any indemnification  under subsections (a) and (b) of this
         section  (unless  ordered by a court) shall be made by the  corporation
         only as  authorized  in the  specific  case upon a  determination  that
         indemnification of the director,  officer,  employee or agent is proper
         in the  circumstances  because he has met the  applicable  standard  of
         conduct  set forth in  subsections  (a) and (b) of this  section.  Such
         determination shall be made (1) by the board of directors by a majority
         vote of a quorum  consisting  of directors who were not parties to such
         action, suit or proceeding,  or (2) if such a quorum is not obtainable,
         or, even if obtainable a quorum of disinterested  directors so directs,
         by  independent  legal  counsel  in a  written  opinion,  or (3) by the
         stockholders.

                  (e) Expenses incurred by an officer or director in defending a
         civil  or  criminal  action,  suit  or  proceeding  may be  paid by the
         corporation in advance of the final disposition or such action, suit or
         proceeding  upon  receipt  of an  undertaking  by or on  behalf of such
         director  or  officer to repay such  amount if it shall  ultimately  be
         determined that he is not entitled to be indemnified by the corporation
         as  authorized  in  this  section.  Such  expenses  incurred  by  other
         employees  and agents may be paid upon such  terms and  conditions,  if
         any, as the board of directors deems appropriate.

                  (f) The  indemnification  and advancement of expenses provided
         by, or granted pursuant to, the other subsections of this section shall
         not be deemed  exclusive  of any other  rights to which  those  seeking
         indemnification  or  advancement  of expenses may be entitled under any
         bylaw,  agreement,  vote of stockholders or disinterested  directors or
         otherwise,  both as to action in his official capacity and as to action
         in another capacity while holding such office.

                  (g) A  corporation  shall have power to purchase  and maintain
         insurance  on behalf of any person who is or was a  director,  officer,
         employee  or  agent of the  corporation,  or is or was  serving  at the
         request of the corporation as a director, officer, employee or agent of
         another  corporation,   partnership,  joint  venture,  trust  or  other
         enterprise  against any liability  asserted against him and incurred by
         him in any such capacity, or arising out of his status as such, whether
         or not the  corporation  would have the power to indemnify  him against
         such liability under this section.

                  (h)  For  purposes  of  this   section,   references  to  "the
         corporation" shall include,  in addition to the resulting  corporation,
         any   constituent   corporation   (including   any   constituent  of  a
         constituent)  absorbed  in a  consolidation  or  merger  which,  if its
         separate  existence  had  continued,  would  have  had  the  power  and
         authority  to  indemnify  its  directors,  officers,  and  employees or
         agents, so that any person who is or was a director,  officer, employee
         or agent of such constituent  corporation,  or is or was serving at the
         request  of  such  constituent  corporation  as  a  director,  officer,
         employee or agent of another corporation,  partnership,  joint venture,
         trust or other enterprise,  shall stand in the same position under this
         section with respect to the  resulting or surviving  corporation  as he
         would have with respect to such constituent corporation if its separate
         existence had continued.

                  (i)  For  purposes  of  this  section,  references  to  "other
         enterprises"  shall  include  employee  benefit  plans;  references  to
         "fines" shall  include any such excise taxes  assessed on a person with
         respect to any employee benefit plan; and references to "serving at the
         request of the  corporation"  shall  include any service as a director,
         officer,  employee or agent of the corporation which imposes duties on,
         or involves  services by, such director,  officer,  employee,  or agent
         with  respect  to  any  employee  benefit  plan,  its  participants  or
         beneficiaries;  and a person  who  acted in good  faith and in a manner
         reasonably  believed  to be in the  interest  of the  participants  and
         beneficiaries of any employee benefit plan shall be deemed

                                       -5-

<PAGE>
         to have acted in a manner  "not  opposed to the best  interests  of the
         corporation" as referred to in this section.

                  (j) The  indemnification  and advancement of expenses provided
         by, or granted  pursuant  to,  this  section  shall,  unless  otherwise
         provided when  authorized or ratified,  continue as to a person who has
         ceased to be a director,  officer, employee or agent and shall inure to
         the  benefit  of the  heirs,  executors  and  administrators  of such a
         person.

ITEM 7.  EXEMPTION FROM REGISTRATION CLAIMED

         Not applicable.

ITEM 8.  EXHIBITS

         * 4.1   -         American  Pacific  Corporation 1997 Stock Option Plan
                           (the "Plan").

         * 4.2   -         Form of Option Agreement under the Plan.

         * 4.3   -         Stock Option  Agreement  dated July 8, 1997,  between
                           the Company and David N. Keys.

         * 4.4   -         Stock Option  Agreement  dated July 8, 1997,  between
                           the Company and John R. Gibson.

         * 4.5   -         Form of Stock  Option  Agreement  between the Company
                           and certain Directors.

         * 5     -         Opinion of Olshan Grundman Frome & Rosenzweig LLP.

         *23.1   -         Consent  of  Deloitte  &  Touche   LLP,   independent
                           auditors.

         *23.2   -         Consent of Olshan  Grundman  Frome &  Rosenzweig  LLP
                           (included in its opinion filed as Exhibit 5).

         *24     -         Powers of Attorney (included on page 8).

         -----------------------------
         *  Filed herewith.

ITEM 9.  UNDERTAKINGS.

         A.       The undersigned registrant hereby undertakes:

                  (1)      To file,  during any period in which  offers or sales
                           are being made,  a  post-effective  amendment to this
                           Registration Statement:

                           (i)      To  include  any   prospectus   required  by
                                    Section  10(a)(3) of the  Securities  Act of
                                    1933;

                           (ii)     To  reflect in the  prospectus  any facts or
                                    events  arising after the effective  date of
                                    the  Registration  Statement  (or  the  most
                                    recent post-effective amendment

                                       -6-

<PAGE>
                                    thereof)  which,   individually  or  in  the
                                    aggregate, represent a fundamental change in
                                    the    information    set   forth   in   the
                                    Registration Statement;

                      (iii)         To include  any  material  information  with
                                    respect  to the  plan  of  distribution  not
                                    previously  disclosed  in  the  Registration
                                    Statement  or any  material  change  to such
                                    information in the Registration Statement;

                           provided, however, that paragraphs (i) and (ii) above
                           do  not  apply  if  the  information  required  to be
                           included  in  a  post-effective  amendment  by  those
                           paragraphs is contained in periodic  reports filed by
                           the registrant pursuant to Section 13 or 15(d) of the
                           Securities Exchange Act of 1934 that are incorporated
                           by reference in the Registration Statement;

                  (2)      That, for the purposes of  determining  any liability
                           under  the   Securities   Act  of  1933,   each  such
                           post-effective  amendment shall be deemed to be a new
                           registration  statement  relating  to the  securities
                           offered therein,  and the offering of such securities
                           at that time shall be deemed to be the  initial  bona
                           fide offering thereof; and

                  (3)      To   remove   from   registration   by   means  of  a
                           post-effective  amendment any of the securities being
                           registered  that remain unsold at the  termination of
                           the offering.

         B.       The  undersigned   registrant   hereby  undertakes  that,  for
                  purposes of determining any liability under the Securities Act
                  of  1933,  each  filing  of  the  registrant's  annual  report
                  pursuant to Section 13(a) or 15(d) of the Securities  Exchange
                  Act of 1934 (and, where applicable, each filing of an employee
                  benefit plan's annual report  pursuant to Section 15(d) of the
                  Securities  Exchange  Act of  1934)  that is  incorporated  by
                  reference in this Registration Statement shall be deemed to be
                  a  new  registration  statement  relating  to  the  securities
                  offered  therein,  and the offering of such securities at that
                  time  shall be deemed  to be the  initial  bona fide  offering
                  thereof.

         C.       Insofar as indemnification  for liabilities  arising under the
                  Securities Act of 1933 may be permitted to directors, officers
                  and  controlling  persons of the  registrant  pursuant  to the
                  foregoing  provisions,  or otherwise,  the registrant has been
                  advised  that in the opinion of the  Securities  and  Exchange
                  Commission  such  indemnification  is against public policy as
                  expressed  in the  Securities  Act of 1933 and is,  therefore,
                  unenforceable.  In the event that a claim for  indemnification
                  against  such  liabilities  (other  than  the  payment  by the
                  registrant of expenses incurred or paid by a director, officer
                  or  controlling  person of the  registrant  in the  successful
                  defense of any action, suit or proceeding) is asserted by such
                  director, officer or controlling person in connection with the
                  securities being  registered,  the registrant will,  unless in
                  the opinion of its  counsel  the matter has been  settled by a
                  controlling  precedent,  submit  to  a  court  of  appropriate
                  jurisdiction the question whether such  indemnification  by it
                  is against public policy as expressed in the Securities Act of
                  1933 and will be  governed by the final  adjudication  of such
                  issue.

                                       -7-

<PAGE>
                                   SIGNATURES

Pursuant to the  requirements  of the  Securities  Act of 1933, as amended,  the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-8 and has duly caused this Registration
Statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the City of Las Vegas, State of Nevada, on this 22nd day of May,
1998.

                                    AMERICAN PACIFIC CORPORATION
                                    (Registrant)


                                    By:/S/ JOHN R. GIBSON
                                       -----------------------------------------
                                       John R. Gibson, President and Chief
                                       Executive Officer

                       POWER OF ATTORNEYS AND SIGNATORIES

Pursuant to the  requirements  of the Securities  Act of 1933, as amended,  this
Registration  Statement  has  been  signed  by  the  following  persons  in  the
capacities  and on the date  indicated.  Each of the  undersigned  officers  and
directors of American Pacific  Corporation  hereby constitutes and appoints John
R.  Gibson  and  David  N.  Keys  and each of them  singly,  as true and  lawful
attorneys-in-fact and agents with full power of substitution and resubstitution,
for him in his name in any and all  capacities,  to sign any and all  amendments
(including post-effective amendments) to this Registration Statement and to file
the  same,  with  all  exhibits  thereto,  and  other  documents  in  connection
therewith,  with the Securities  and Exchange  Commission and to prepare any and
all exhibits thereto, and other documents in connection  therewith,  and to make
any  applicable  state  securities  law or blue sky filings,  granting unto said
attorneys-in-fact  and agents,  full power and  authority to do and perform each
and every act and thing  requisite or  necessary  to be done to enable  American
Pacific Corporation to comply with the provisions of the Securities Act of 1933,
as amended, and all requirements of the Securities and Exchange  Commission,  as
fully to all  intents  and  purposes  as he might or could do in person,  hereby
ratifying and confirming all that said  attorneys-in-fact  and agents,  or their
substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

      SIGNATURE                              TITLE

/S/ JOHN R. GIBSON            President, Chief Executive Officer (Principal
- --------------------------    Executive Officer) and Director
  (John R. Gibson)

/S/ DAVID N. KEYS             Executive Vice President, Chief Financial
- --------------------------    Officer (Principal Financial and Principal
  (David N. Keys)             Accounting Officer), Treasurer, Secretary and
                              Director

/S/ FRED D. GIBSON, JR.       Director
- -------------------------
  (Fred D. Gibson, Jr.)

/S/ EUGENE A. CAFIERO         Director
- -------------------------
   (Eugene A. Cafiero)

/S/ THOMAS A. TURNER          Director
- -------------------------
   (Thomas A. Turner)

/S/ JAN H. LOEB               Director
- -------------------------
   (Jan H. Loeb)

/S/ NORVAL F. POHL            Director
- -------------------------
   (Norval F. Pohl)

/S/ C. KEITH ROOKER           Director
- -------------------------
   (C. Keith Rooker)

/S/ JANE L. WILLIAMS          Director
- -------------------------
   (Jane L. Williams)

/S/ BERLYN D. MILLER          Director
- -------------------------
   (Berlyn D. Miller)

/S/ VICTOR M. ROSENZWEIG      Director
- ------------------------
   (Victor M. Rosenzweig)

/S/ DEAN M. WILLARD           Director
- -------------------------
   (Dean M. Willard)


                                       -8-


                          AMERICAN PACIFIC CORPORATION
                             1997 STOCK OPTION PLAN


1.  PURPOSE OF THE PLAN.

     This 1997 Stock  Option Plan (the "Plan") is intended as an  incentive,  to
retain in the employ of and as  consultants  and  advisors to  AMERICAN  PACIFIC
CORPORATION,  a Delaware  corporation  with its principal  office at 3770 Howard
Hughes  Parkway,  Las Vegas,  Nevada 89109 (the "Company") and any Subsidiary of
the Company,  within the meaning of Section 424(f) of the United States Internal
Revenue Code of 1986, as amended (the "Code"),  persons of training,  experience
and ability, to attract new employees, directors, advisors and consultants whose
services are considered  valuable,  to encourage the sense of proprietorship and
to  stimulate  the  active  interest  of such  persons  in the  development  and
financial success of the Company and its Subsidiaries.

     It is further  intended that certain options  granted  pursuant to the Plan
shall  constitute  incentive  stock options within the meaning of Section 422 of
the Code (the "Incentive  Options") while certain other options granted pursuant
to the Plan shall be nonqualified  stock options (the  "Nonqualified  Options").
Incentive  Options  and  Nonqualified   Options  are  hereinafter   referred  to
collectively as "Options."

     The  Company  intends  that the Plan meet the  requirements  of Rule  16b-3
("Rule 16b-3") promulgated under the Securities Exchange Act of 1934, as amended
(the  "Exchange  Act"),   and  that   transactions  of  the  type  specified  in
subparagraphs  (c) to (f)  inclusive of Rule 16b-3 by officers and  directors of
the Company pursuant to the Plan will be exempt from the operation of Section 16
(b)  of the  Exchange  Act.  Further,  the  Plan  is  intended  to  satisfy  the
performance-based  compensation exception to the limitation on the Company's tax
deductions  imposed by Section  162(m) of the code  ("Section  162(m)").  In all
cases,  the terms,  provisions,  conditions and limitations of the Plan shall be
construed and interpreted consistent with the Company's intent as stated in this
Section 1.

2.  ADMINISTRATION OF THE PLAN.

     The Board of  Directors  of the Company  (the  "Board")  shall  appoint and
maintain as administrator of the Plan a Committee (the  "Committee")  consisting
of two or more  directors  that are  "Non-Employee  Directors"  (as such term is
defined in Rule 16b-3) and "Outside Directors"

                                        1

<PAGE>




(as such term is defined in Section 162 (m)),  which shall serve at the pleasure
of the Board. The Committee, subject to Sections 3 and 5 hereof, shall have full
power and authority to designate  recipients of Options,  to determine the terms
and conditions of respective Option agreements (which need not be identical) and
to interpret the  provisions and supervise the  administration  of the Plan. The
Committee  shall have the  authority,  without  limitation,  to designate  which
Options  granted  under the Plan shall be  Incentive  Options and which shall be
Nonqualified  Options. To the extent any Option does not qualify as an Incentive
Option, it shall constitute a separate Nonqualified Option.

     Subject to the  provisions of the Plan, the Committee  shall  interpret the
Plan and all Options  granted under the Plan,  shall make such rules as it deems
necessary  for the  proper  administration  of the  Plan,  shall  make all other
determinations  necessary or advisable  for the  administration  of the Plan and
shall correct any defects or supply any omission or reconcile any  inconsistency
in the Plan or in any  Options  granted  under the Plan in the manner and to the
extent that the Committee  deems  desirable to carry into effect the Plan or any
Options.  The act or  determination  of a majority of the Committee shall be the
act or  determination  of the Committee and any decision  reduced to writing and
signed by all of the members of the Committee  shall he fully effective as if it
had been made by a majority at a meeting duly held. Subject to the provisions of
the Plan, any action taken or  determination  made by the Committee  pursuant to
this and the other Sections of the Plan shall he conclusive on all parties.

     In the event that for any reason the  Committee  is unable to act or if the
Committee at the time of any grant, award or other acquisition under the Plan of
Options or Stock as  hereinafter  defined  does not  consist of two or more Non-
Employee Directors, or if there shall he no such Committee,  then the Plan shall
be administered by the Board and any such grant,  award or other acquisition may
be approved or ratified in any other manner  contemplated by subparagraph (d) of
Rule 16b-3; provided, however, that options granted to the Company' s Chief
Executive officer or to any of the Company's other four most highly  compensated
officers that are intended to qualify as  performance-based  compensation  under
Section 162(m) may only be granted by the Committee.

3.  DESIGNATION OF OPTIONEES.

     The persons eligible for participation in the Plan as recipients of options
(the  "Optionees")  shall  include  employees,  officers and  directors  of, and
consultants  and  advisors  to, the  Company or any  Subsidiary;  provided  that
Incentive  Options  may only be  granted to  employees  of the  Company  and the
Subsidiaries. In selecting Optionees, and in determining the number Of shares to
be covered by each Option  granted to Optionees,  the Committee may consider the
office or position held by the Optionee or the  Optionee's  relationship  to the
Company,  the Optionee's  degree of  responsibility  for and contribution to the
growth and success of the Company or any  Subsidiary,  the Optionee's  length of
service, age, promotions, potential and any

                                        2

<PAGE>




other factors that the Committee may consider relevant. An Optionee who has been
granted an Option hereunder may he granted an additional  Option or Options,  if
the Committee shall so determine.


4.  STOCK RESERVED FOR THE PLAN.

     Subject to adjustment  as provided in Section 7 hereof,  a total of 325,000
shares of the Company's  Common Stock,  $0.10 par value per share (the "Stock"),
shall be subject to the Plan.  The maximum number of shares of Stock that may be
subject to options granted under the Plan to any individual in any calendar year
shall not exceed  100,000,  and the method of counting such shares shall conform
to any requirements  applicable to performance-based  compensation under Section
162 (m).  The  shares of Stock  subject to the Plan  shall  consist of  unissued
shares or previously  issued shares held by any  Subsidiary of the Company,  and
such amount of shares of Stock shall be and is hereby reserved for such purpose.
Any of such  shares of Stock that may remain  unsold and that are not subject to
outstanding  Options at the  termination  of the Plan shall cease to be reserved
for the  purposes  of the Plan,  but until  termination  of the Plan the Company
shall at all times  reserve a  sufficient  number of shares of Stock to meet the
requirements of the Plan.  Should any Option expire or be cancelled prior to its
exercise  in full or should the number of shares of Stock to be  delivered  upon
the exercise in full of an Option be reduced for any reason, the shares of Stock
theretofore  subject to such Option may be subject to future  Options  under the
Plan.

5.  TERMS AND CONDITIONS OF OPTIONS.

     Options granted under the Plan shall be subject to the following conditions
and shall contain such additional terms and conditions,  not  inconsistent  with
the terms of the Plan, as the Committee shall deem desirable:

          (a)  OPTION  PRICE.   The  purchase  price  of  each  share  of  Stock
purchasable  under an Incentive  Option shall be  determined by the Committee at
the time of grant,  but shall not be less than 100% of the Fair Market Value (as
defined  below)  of such  share of Stock on the  date  the  option  is  granted;
provided,  however,  that with  respect  to an  Optionee  who,  at the time such
Incentive Option is granted,  owns (within the meaning of Section 424 (d) of the
Code) more than 10% of the total  combined  voting power of all classes of stock
of the Company or of any Subsidiary, the purchase price per share of Stock shall
be at least  110% of the Fair  Market  Value  per  share of Stock on the date of
grant.  The  purchase  price  of  each  share  of  Stock   purchasable  under  a
Nonqualified option shall not be less than 100% of the Fair Market Value of such
share of Stock on the date the Option is granted; provided,  however, that if an
Option  granted  to  the  Company's  Chief  Executive  Officer  or to any of the
Company's other four most highly compensated  officers is intended to qualify as
performance-based compensation under Section

                                        3

<PAGE>
162(m),  the  exercise  price of such Option  shall not be less than 100% of the
Fair Market Value of such share of Stock on the date the Option is granted.  The
exercise  price for each Option  shall be subject to  adjustment  as provided in
Section 7 below.  Fair Market Value means the closing  price of publicly  traded
shares of Stock on the  principal  securities  exchange on which shares of Stock
are listed (if the shares of Stock are so listed), or on the NASDAQ Stock Market
(if the shares of Stock are regularly quoted on the NASDAQ Stock Market), or, if
not so listed or  regularly  quoted,  the mean between the closing bid and asked
prices of publicly traded shares of Stock in the over-the-counter market, or, if
such bid and asked prices shall not be available,  as reported by any nationally
recognized  quotation  service selected by the Company,  or as determined by the
Committee in a manner  consistent  with the provisions of the Code.  Anything in
this  Section  5(a) to the  contrary  notwithstanding,  in no  event  shall  the
purchase  price of a share of Stock be less  than the  minimum  price  permitted
under the rules and policies of the securities  exchange or automated  quotation
system on which the shares of Stock are listed.

          (b)  OPTION  TERM.  The  term of each  Option  shall  be  fixed by the
Committee,  but no Option shall he exercisable more than 10 years after the date
such Option is granted; provided,  however, that the term of an Incentive Option
granted to an Optionee  who, at the time such  Incentive  Option is granted owns
(within  the  meaning of Section  424(d) of the Code) more than 10% of the total
combined  voting power of all classes of stock of the Company or any  Subsidiary
shall not exceed five years.

          (c) EXERCISABILITY.  Subject to Section 5(j) hereof,  options shall be
exercisable  at such time or times and subject to such terms and  conditions  as
shall be determined by the Committee at the time of grant.

          (d) METHOD OF EXERCISE.  Options to the extent then exercisable may be
exercised  in whole or in part at any time during the option  period,  by giving
written  notice to the  Company  specifying  the number of shares of Stock to be
purchased,  accompanied  by payment in full of the purchase  price,  in cash, by
check  or such  other  instrument  as may be  acceptable  to the  Committee.  As
determined by the Committee, in its sole discretion,  at or after grant, payment
in full or in part may also be made in the form of Stock  owned by the  Optionee
(based on the Fair  Market  Value of the Stock on the  trading  day  before  the
Option is  exercised).  An optionee  shall have the right to dividends and other
rights of a stockholder  with respect to shares of Stock purchased upon exercise
of an Option after (i) the Optionee has given written notice of exercise and has
paid in full for such  shares  and (ii)  becomes a  stockholder  of record  with
respect thereto.

          (e)  NON-TRANSFERABILITY OF OPTIONS.  Options are not transferable and
may be exercised  solely by the Optionee  during his lifetime or after his death
by the person or persons  entitled thereto under his will or the laws of descent
and distribution.  Any attempt to transfer,  assign, pledge or otherwise dispose
of, or to subject to execution, attachment or similar process,

                                       4

<PAGE>
any Option  contrary to the provisions  hereof shall be void and ineffective and
shall give no right to the purported transferee.

          (f) TERMINATION BY DEATH. Unless otherwise determined by the Committee
at grant,  if any  Optionee's  employment  with or service to the Company or any
Subsidiary  terminates  by  reason  of  death,  the  Option  may  thereafter  be
exercised,  to the extent then exercisable (or on such accelerated  basis as the
Committee shall determine at or after grant), by the legal representative of the
estate or by the legatee of the Optionee  under the will of the Optionee,  for a
period of one year after the date of such death or until the  expiration  of the
stated  term of such  Option as  provided  under the Plan,  whichever  period is
shorter.

          (g) TERMINATION BY REASON OF DISABILITY.  Unless otherwise  determined
by the Committee at grant,  if any Optionee's  employment with or service to the
Company  or  any  Subsidiary   terminates  by  reason  of  total  and  permanent
disability, any Option held by such Optionee may thereafter be exercised, to the
extent it was  exercisable at the time of  termination  due to Disability (or on
such accelerated basis as the Committee shall determine at or after grant),  but
may not be exercised  after three months after the date of such  termination  of
employment  or service or the  expiration  of the  stated  term of such  Option,
whichever  period is shorter;  provided,  however,  that,  if the optionee  Dies
within such  three-month  period,  any unexercised  Option held by such Optionee
shall thereafter be exercisable to the extent to which it was exercisable at the
time of death for a period of one year  after the date of such  death or for the
stated term of such Option, whichever period is shorter.

          (h) TERMINATION BY REASON OF RETIREMENT.  Unless otherwise  determined
by the Committee at grant,  if any Optionee's  employment with or service to the
Company or any Subsidiary terminates by reason of Normal or Early Retirement (as
such terms are defined  below),  any Option held by such Optionee may thereafter
be exercised to the extent it was exercisable at the time of such Retirement (or
on such  accelerated  basis as the Committee shall determine at or after grant),
but may not be exercised  after three months after the date of such  termination
of  employment  or service or the  expiration of the stated term of such Option,
whichever  period is shorter;  provided,  however,  that,  if the Optionee  dies
within such  three-month  period,  any unexercised  Option held by such Optionee
shall  thereafter be  exercisable,  to the extent to which it was exercisable at
the time of death,  for a period of one year after the date of such death or for
the stated term of such Option, whichever period is shorter.

     For purposes of this paragraph (h), Normal Retirement shall mean retirement
from active employment with the Company or any subsidiary on or after the normal
retirement date specified in the applicable  Company or Subsidiary  pension plan
or if no such pension plan, age 65. Early  Retirement shall mean retirement from
active employment with the Company or any Subsidiary

                                        5

<PAGE>

pursuant  to the  early  retirement  provisions  of the  applicable  Company  or
Subsidiary pension plan or if no such pension plan, age 55.

          (i) OTHER TERMINATION. Unless otherwise determined by the Committee at
grant,  if any  Optionee's  employment  with or  service  to the  Company or any
Subsidiary  terminates for any reason other than death,  Disability or Normal or
Early Retirement, the Option shall thereupon terminate,  except that the portion
of any Option that was exercisable on the date of such termination of employment
may he exercised for the lesser of three months after the date of termination or
the balance of such Option's term if the  Optionee's  employment or service with
the Company or any  Subsidiary is  terminated by the Company or such  Subsidiary
without cause (the  determination as to whether  termination was for cause to be
made by the  Committee).  The  transfer  of an  Optionee  from the employ of the
Company to a Subsidiary, or vice versa, or from one Subsidiary to another, shall
not be deemed to  constitute a  termination  of  employment  for purposes of the
Plan.

          (j) LIMIT ON VALUE OF  INCENTIVE  OPTION.  The  aggregate  Fair Market
Value,  determined as of the date the Incentive Option is granted,  of Stock for
which  Incentive  Options  are  exercisable  for the first time by any  optionee
during any calendar  year under the Plan (and/or any other stock option plans of
the Company or any Subsidiary) shall not exceed $100,000.

          (k) TRANSFER OF INCENTIVE  OPTION SHARES.  The stock option  agreement
evidencing any Incentive  Options  granted under this Plan shall provide that if
the Optionee  makes a  disposition,  within the meaning of Section 424(c) of the
Code and  regulations  promulgated  thereunder,  of any share or shares of Stock
issued to him upon exercise of an Incentive Option granted under the Plan within
the two-year  period  commencing  on the day after the date of the grant of such
Incentive  Option or within a one-year  period  commencing  on the day after the
date of transfer of the share or shares to him  pursuant to the exercise of such
Incentive  Option, he shall,  within 10 days after such disposition,  notify the
Company  thereof  and  immediately  deliver to the  Company any amount of United
States federal income tax withholding required by law.

6.  TERM OF PLAN.

     No Option  shall be granted  pursuant to the Plan on or after  December 14,
2007, but Options theretofore granted may extend beyond that date.

7.  CAPITAL CHANGE OF THE COMPANY.

     In   the   event   of   any    merger,    reorganization,    consolidation,
recapitalization,  stock  dividend,  or  other  change  in  corporate  structure
affecting  the Stock,  the  Committee  shall make an  appropriate  and equitable
adjustment in the number and kind of shares reserved for issuance

                                        6

<PAGE>
under  the  Plan  and in the  number  and  option  price of  shares  subject  to
outstanding  Options  granted  under the Plan,  to the end that after such event
each Optionee's proportionate interest shall be maintained as immediately before
the occurrence of such event.

8.  PURCHASE FOR INVESTMENT.

     Unless  the  Options  and shares  covered by the Plan have been  registered
under the  Securities  Act of 1933, as amended (the  "Securities  Act"),  or the
Company  has  determined  that such  registration  is  unnecessary,  each person
exercising  an Option  under the Plan may he  required  by the Company to give a
representation  in writing that he is  acquiring  the shares for his own account
for  investment  and not with a view to,  or for sale in  connection  with,  the
distribution of any part thereof.

9.  TAXES.

     The company may make such provisions as it may deem appropriate, consistent
with  applicable law, in connection with any Options granted under the Plan with
respect to the withholding of any taxes or any other tax matters.

10.  EFFECTIVE DATE OF PLAN.

     The Plan shall be effective on December 15, 1997, provided however that the
Plan  shall   subsequently  be  approved  by  majority  vote  of  the  Company's
stockholders within one year of the date thereof.

11.  AMENDMENT AND TERMINATION.

     The Board may  amend,  suspend,  or  terminate  the  Plan,  except  that no
amendment  shall be made that would impair the rights of any Optionee  under any
Option  theretofore  granted  without his consent,  and except that no amendment
shall be made which,  without the  approval of the  stockholders  of the Company
would:

          (a) materially  increase the number of shares that may be issued under
the Plan, except as is provided in Section 7;

          (b) materially  increase the benefits accruing to the Optionee's under
the Plan;

          (c)  materially   modify  the   requirements  as  to  eligibility  for
participation in the Plan;

                                        7

<PAGE>
          (d) decrease the  exercise  price of an Incentive  Option to less than
100% of the Fair Market Value per share of Stock on the date of grant thereof or
the exercise price of a Nonqualified Option to less than 100% of the Fair Market
Value per share of Stock on the date of grant thereof; or

          (e) extend the term of any Option  beyond that provided for in Section
5(b).

     The  Committee  may  amend  the terms of any  Option  theretofore  granted,
prospectively or retroactively, but no such amendment shall impair the rights of
any Optionee without his consent.  The Committee may also substitute new Options
for previously  granted  Options,  including  options  granted under other plans
applicable to the  participant  and  previously  granted  Options  having higher
option prices, upon such terms as the Committee may deem appropriate.

12.  GOVERNMENT REGULATIONS.

     The  Plan,  and the  grant  and  exercise  of  Options  hereunder,  and the
obligation of the Company to sell and deliver  shares under such Options,  shall
be subject to all applicable laws, rules and regulations,  and to such approvals
by any  governmental  agencies,  national  securities  exchanges  and  automated
quotation systems as may be required.

13.  GENERAL PROVISIONS.

          (a) CERTIFICATES. All certificates for shares of Stock delivered under
the Plan shall be subject to such stop transfer orders and other restrictions as
the  Committee  may deem  advisable  under  the  rules,  regulations  and  other
requirements  of the Securities  and Exchange  Commission,  or other  securities
commission having jurisdiction,  any applicable Federal or state securities law,
any stock  exchange or automated  quotation  system upon which the Stock is then
listed or traded and the Committee may cause a legend or legends to be placed on
any such certificates to make appropriate reference to such restrictions.

          (b) EMPLOYMENT MATTERS. The adoption of the Plan shall not confer upon
any Optionee of the Company or any Subsidiary any right to continued  employment
or,  in the  case of an  optionee  who is a  director,  continued  service  as a
director,  with the  Company or a  Subsidiary,  as the case may be, nor shall it
interfere  in any way  with  the  right  of the  Company  or any  Subsidiary  to
terminate  the  employment  of any of its  employees,  the service of any of its
directors or the retention of any of its consultants or advisors at any time.

          (c) LIMITATION OF LIABILITY.  No member of the Board or the Committee,
or any officer or  employee of the Company  acting on behalf of the Board or the
Committee,  shall  be  personally  liable  for  any  action,   determination  or
interpretation taken or made in good faith with

                                        8

<PAGE>
respect to the Plan,  and all members of the Board or the Committee and each and
any  officer or employee of the Company  acting on their  behalf  shall,  to the
extent  permitted by law, be fully  indemnified  and protected by the Company in
respect of any such action, determination or interpretation.

          (d) REGISTRATION OF STOCK.  Notwithstanding any other provision in the
Plan,  no Option may be  exercised  unless and until the Stock to be issued upon
the exercise thereof has been registered under the Securities Act and applicable
state securities laws, or are, in the opinion of counsel to the Company,  exempt
from such registration in the United States.  The Company shall not be under any
obligation to register under  applicable  federal or state  securities  laws any
Stock to be issued upon the exercise of an Option granted  hereunder in order to
permit the exercise of an Option and the issuance and sale of the Stock  subject
to such Option  however,  the Company may in its sole  discretion  register such
Stock at such time as the Company  shall  determine.  If the Company  chooses to
comply with such an exemption from registration, the Stock issued under the Plan
may, at the direction of the Committee,  bear an appropriate  restrictive legend
restricting  the transfer or pledge of the Stock  represented  thereby,  and the
Committee may also give appropriate stop transfer  instructions to the Company's
transfer agents.

                                        9


                          AMERICAN PACIFIC CORPORATION

                             1997 STOCK OPTION PLAN

                             STOCK OPTION AGREEMENT


         This Stock Option  Agreement  is made and entered into  effective as of
the "Day" day of "Month," "Year," by and between American Pacific Corporation, a
Delaware  corporation  (the  "Company"),  and  "Name," of "City,"  "State"  (the
"Optionee").


                                    RECITALS:

         A. The Company has adopted the American Pacific  Corporation 1997 Stock
Option Plan (the "Plan").

         B. The  Optionee  is an  individual  to whom the Company has decided to
grant Options to purchase shares of the Common Stock of the Company  pursuant to
the Plan.

         C. The Company and the  Optionee  now desire to set forth the terms and
conditions  pursuant to which the Option shall be granted to the  Optionee,  and
certain terms and conditions that will govern the issuance, holding and exercise
of such Option, subject in all respects to the terms and conditions of the Plan.


                                   PROVISIONS:

         NOW,  THEREFORE,  in consideration of the mutual covenants and promises
contained herein, the parties to this Option Agreement agree as follows:

         1. NUMBER OF SHARES SUBJECT TO OPTION. The Company hereby grants to the
Optionee,  upon the terms and conditions set forth in this Option  Agreement and
in the Plan,  "Stock_Type"  (the "Option") to purchase  "NoShares" shares of the
Common Stock of the Company.

         2. EXERCISE PRICE. The price for which the Option hereby granted to the
Optionee  may be  exercised  shall be  $"ExercisePrice"  per share of the Common
Stock of the Company, which amount represents the Value of a share of the Common
Stock on the date of the Option Agreement.


<PAGE>
         3. TIME FOR EXERCISE.  The Option hereby  granted to the Optionee shall
be exercisable at the following times:

         With respect to One-half of the shares of Common  Stock (the  "Shares")
     subject to the Option, the Option shall be exercisable on or after the date
     of this Option Agreement;

         With  respect  to the  balance  of the  Shares,  the  Option  shall  be
     exercisable on or after "Date2"; and

The Option  shall be  exercisable  for a period of five  years  after the Option
first becomes  exercisable in accordance  with the foregoing  provisions of this
Section 3, unless the period of exercise is sooner terminated in accordance with
the provisions of this Option  Agreement or of the Plan. The Optionee shall have
no right to exercise any such Option except during the times provided above.

         4. GOVERNING  PLAN  DOCUMENT.  This Option  Agreement  incorporates  by
reference all of the terms and conditions of the Plan as presently  existing and
as hereafter amended; provided,  however, that no such amendment shall adversely
affect  the rights of any  Optionee  in and to any  Option  previously  granted,
except as  presently  provided  by the Plan,  or  except as may be  required  by
applicable law. The Optionee  expressly  acknowledges  and agrees that the terms
and  provisions  of this Option  Agreement  are  subject in all  respects to the
provisions of the Plan;  that the terms and provisions of this Option  Agreement
in no way limit or modify any term or provision of the Plan; and that in case of
any conflict  between the provisions of the Plan and the terms and provisions of
this Option  Agreement,  the provisions of the Plan shall control and shall bind
the parties hereto. The Optionee also hereby expressly acknowledges,  agrees and
represents as follows:

         (a) The Optionee has received of a copy of the Plan and represents that
he is familiar  with the  provisions  of the Plan,  and that he enters into this
Option Agreement subject to all of the provisions of the Plan.

         (b) The Optionee is familiar  with  Section 5(d) of the Plan  document,
relating  to the  procedure  for  exercise of Options,  and  represents  that he
understands  and agrees  that all  Options  are  exercisable  only  strictly  in
accordance with Section 5(d) and all other provisions of the Plan document.

         (c) The Optionee understands that the Optionee's use of Common Stock of
the Company  owned by such Optionee to pay the Exercise  Price of an Option,  to
the extent  permitted by Section 5(d) of the Plan  document,  could have adverse
tax  consequences  to the  Optionee,  and that the Company  recommends  that the
Optionee  consult with a  knowledgeable  tax advisor  before paying the Exercise
Price of an Option with Company Common Stock.

                                       2

<PAGE>
         5.  EXERCISE OF OPTION.  In order to exercise the Option,  the Optionee
shall  deliver a written  notice of  exercise  to the  Company at its  principal
business  office.  The notice shall specify the number of Shares with respect to
which the Option is being exercised, and shall be accompanied by payment in full
in the form of cash or check of the Exercise  Price. In lieu of paying the total
purchase price in the form of cash or check, the Optionee may, with the approval
of the  Committee,  pay all or any portion of the Exercise  Price with shares of
Common Stock of the Company owned by the Optionee.  For this purpose,  shares of
Company  Common Stock shall be valued by the  Committee at their value as of the
date on which the Optionee  gives notice of exercise of an Option to the Company
(the "Value"). The Committee's determination of the Value of the Common Stock of
the Company shall be binding upon all persons  having any interest in the shares
or in the Options exercised therewith. If an Optionee pays the Exercise Price of
an Option using Common Stock, the notice of exercise shall be accompanied by the
certificates  representing  the shares of Company  Common Stock  surrendered  in
payment of the Exercise  Price,  duly and properly  endorsed for transfer to the
Company.

         6.  REPRESENTATIONS  AND WARRANTIES.  As a condition to the exercise of
any Option  granted  pursuant  to the Plan,  the  Company may require the person
exercising such Option to make any representations and warranties to the Company
that legal  counsel to the Company  may  determine  to be required or  advisable
under  any   applicable  law  or  regulation,   including   without   limitation
representations  and  warranties  that the shares of the Company's  Common Stock
being  acquired  through the exercise of the Option are being  acquired only for
investment  and without any present  intention or view to sell or distribute any
such shares. The Optionee hereby represents and warrants as follows:

         (a) The Optionee understands that unless at the time of the exercise of
the Option a registration statement under the Securities Act of 1933, as amended
(the  "Act"),  is in effect  as to such  Shares,  any  Shares  purchased  by the
optionee  upon the exercise of the Option shall be acquired for  investment  and
not for sale or distribution,  and if the Company so requests, upon any exercise
of the Option, in whole or in part, the Optionee will execute and deliver to the
Company a  certificate  to such  effect.  The Company  shall not be obligated to
issue any Shares  pursuant  to the  option if, in the  opinion of counsel to the
Company,  the Shares to be so issued are required to be  registered or otherwise
qualified  under the Act or under any other  applicable  statute,  regulation or
ordinance  affecting the sale of  securities,  unless and until such Shares have
been so registered or otherwise qualified.

         (b) The Optionee  understands  that under  existing law,  unless at the
time of the exercise of the Option, a registration statement under the Act is in
effect as to Shares so issuable (i) any Shares  purchased  by the optionee  upon
exercise  of the Option may be  required  to be held  indefinitely  unless  such
Shares  are  subsequently  registered  under the Act or an  exemption  from such
registration  is available;  (ii) any sales of such Shares made in reliance upon
Rule 144 promulgated under the Act may be

                                       3

<PAGE>
made only in accordance with the terms and conditions of that Rule (which, under
certain  circumstances,  restrict the number of shares which may be sold and the
manner in which shares may be sold);  (iii) certificates for Shares to be issued
to the Optionee hereunder shall bear a legend to the effect that the Shares have
not  been  registered  under  the Act  and  that  the  Shares  may not be  sold,
hypothecated   or  otherwise   transferred   in  the  absence  of  an  effective
registration  statement under the Act relating  thereto or an opinion of counsel
satisfactory  to the Company that such  registration  is not required;  (iv) the
Company will place an appropriate  "stop transfer" order with its transfer agent
with respect to such Shares; and (v) the Company has undertaken no obligation to
register the Shares or to include the Shares in any registration statement which
may be filed by it subsequent to the issuance of the Shares to the Optionee.  In
addition,  the optionee  understands  and  acknowledges  that the Company has no
obligation  to the  optionee  to  furnish  information  necessary  to enable the
optionee to make sales under Rule 144.

         7. RESTRICTIONS ON TRANSFERS AND  ENCUMBRANCES.  During the lifetime of
an  Optionee,  the  Option  may not be sold,  pledged,  assigned,  hypothecated,
encumbered or transferred in any manner, either voluntarily or involuntarily, by
operation of law or otherwise,  except by will or by applicable  laws of descent
and  distribution,  and may be exercised during the Optionee's  lifetime only by
the  Optionee  or his legal  representative.  To the  extent  that the Option is
exercisable  after the date of the Optionee's death, it may be exercised only by
the person or persons to whom the Optionee's rights under the Option have passed
by will or by applicable laws of descent and distribution.

         8.  OPTIONEE  RIGHTS.  No provision of this Option  Agreement or of the
Plan document shall be deemed to give to any Employee or Director of the Company
or of any subsidiary of the Company (a "Subsidiary Corporation") or to any other
individual,  any right to be  retained  in the  service of the Company or of any
Subsidiary Corporation, or to interfere in any way with the right of the Company
or of the  Subsidiary  Corporations  at any time to discharge any  employee,  to
discontinue using the services of any individual, or to remove any Director.

         9.  WITHHOLDING  OF TAXES.  The  Optionee  authorizes  the  Company  to
withhold,  in  accordance  with  applicable  laws  and  regulations,   from  any
compensation  or other  amount  payable to an Optionee,  all federal,  state and
other taxes  attributable to taxable income realized by the Optionee as a result
of the grant or exercise of any Option.

         10.  ACCEPTANCE OF TERMS.  The Optionee  hereby accepts and adopts each
and every  provision of the Plan document,  whether or not any such provision is
similar in scope or effect to any term or  provision  of this Option  Agreement,
and whether or not any  provision  of such  document is set forth,  described or
referenced in this Option Agreement.

                                       4
<PAGE>
         11. NOTICES.

         (a) All  notices,  demands or requests  provided for or permitted to be
given  pursuant  hereto must be in writing.  All  notices,  demands and requests
shall be deemed to have been  properly  given or served  when  deposited  in the
United  States  mail,  addressed to the  individual  or entity to whom notice is
given,   postage  prepaid  and  registered  or  certified  with  return  receipt
requested, at the last known address of such individual or entity.

         (b) By giving at least  fifteen  (15) days prior  written  notice,  the
Company, a Subsidiary Corporation and an Optionee shall have the right from time
to time to change their  addresses and to specify any other  address  within the
United States of America.

         12. TITLES AND CAPTIONS. All Article and Section titles and captions in
this Option  Agreement are for  convenience or reference  only, and shall not be
deemed part of this Option  Agreement,  and in no way define,  limit,  extend or
describe the scope or intent of any provision hereof.

         13. CAPITALIZED  TERMS.  Capitalized terms that are used in this Option
Agreement that are not  specifically  defined herein shall have the meanings set
forth in the Plan document.

         14. PRONOUNS AND PLURALS. Whenever the context may require, any pronoun
used herein shall include the corresponding masculine, feminine or neuter forms,
and the singular form of nouns,  pronouns and verbs shall include the plural and
vice versa.

         15.  APPLICABLE  LAW.  This  Option  Agreement  shall be  construed  in
accordance with and shall be governed by the laws of the State of Nevada.

         16. BINDING  EFFECT.  This Option  Agreement shall be binding upon each
Optionee and upon such Optionee's heirs, executors, administrators,  successors,
legal representatives and assigns.

         17. CREDITORS. None of the provisions of this Option Agreement shall be
for the benefit of or shall be enforceable by any creditor of any Optionee.

         18.  SEVERABILITY.  In the event that any condition,  covenant or other
provision  herein  contained  is held to be  invalid  or  void by any  court  of
competent jurisdiction, the same shall be deemed severable from the remainder of
this document and shall in no way affect any other covenant or condition  herein
contained.  If such  condition,  covenant  or other  provision  shall be  deemed
invalid due to its scope or breadth, such provision shall be deemed valid to the
extent of the scope or breadth permitted by law.


                                       5
<PAGE>

         IN WITNESS  WHEREOF,  the Company and the Optionee  have  executed this
Option Agreement this ________ day of ____________________, 1998.


                                    "Company"

                                        AMERICAN PACIFIC CORPORATION,
                                        a Delaware corporation


                                            By
                                              ---------------------------------
                                              John R. Gibson
                                              President


Attest:


- ---------------------
David N. Keys
Secretary


                                    "Optionee"


                                         --------------------------------------
                                         "Name"

                                         Address:  "Street"
                                                   "City," "State"  "PostalCode"





                             STOCK OPTION AGREEMENT


          This Stock Option  Agreement is made and entered into  effective as of
the 8/th/ day of July,  1997, by and between  American  Pacific  Corporation,  a
Delaware  corporation (the "Company"),  and David N. Keys, of Las Vegas,  Nevada
(the "Optionee").


                                    RECITALS:

          A. The Optionee is serving as Chief Financial  Officer of the Company.
The  Company  desires to  encourage  the  ownership  of its Common  Stock by the
Optionee,  and to provide an  incentive  for the Optionee to assist in expanding
and improving the growth,  profitability  and general  prosperity of the Company
and of its Subsidiary Corporations, and to stimulate the efforts of the Optionee
by giving suitable  recognition,  in the form of compensation,  to his abilities
and industry, which contribute materially to the growth and profitability of the
Company and of its Subsidiary Corporations.

          B. The  Company  has  decided to grant to the  Optionee  the option to
purchase shares of the Common Stock of the Company.

          C. The Company and the  Optionee now desire to set forth the terms and
conditions  upon which the Optionee shall have the Option to purchase  shares of
the Common  Stock of the Company,  and certain  terms and  conditions  that will
govern the issuance, holding and exercise of such Options.


                                  PROVISIONS:

          NOW, THEREFORE,  in consideration of the mutual covenants and promises
contained herein, the parties to this Option Agreement agree as follows:


                                   ARTICLE I

                                  DEFINITIONS

          As used in this Option  Agreement,  the following terms shall have the
indicated meanings:

          1.01 BOARD OF  DIRECTORS.  The term Board of Directors  shall mean the
Board of Directors of the Company.

<PAGE>
          1.02 COMMITTEE  shall mean the Stock Option  Committee of the Board of
Directors of the Company referred to in Article II of this Option Agreement.

          1.03 COMMON  STOCK  shall mean the common  stock of the  Company,  par
value ten cents ($0.10) per share.

          1.04  COMPANY  shall mean  American  Pacific  Corporation,  a Delaware
corporation.

          1.05 DISABILITY  shall mean a physical or mental condition that, based
upon  medical  reports  and  other  evidence   satisfactory  to  the  Committee,
presumably permanently prevents the Optionee from satisfactorily  performing his
usual duties for the Company.

          1.06 EXERCISE  PRICE shall mean the price for which an Option  granted
hereunder  may be  exercised,  as  provided  in  Section  3.02  of  this  Option
Agreement.

          1.07  OPTION  shall  mean the right to  purchase  shares of the Common
Stock  of the  Company,  granted  pursuant  to the  provisions  of  this  Option
Agreement.

          1.08  OPTION  AGREEMENT  or  AGREEMENT  shall mean this  Stock  Option
Agreement.

          1.09 OPTIONEE shall mean the Optionee  identified  above, to whom this
Option has been granted,  upon the terms and conditions set forth in this Option
Agreement.

          1.10 SUBSIDIARY CORPORATIONS shall mean and include all corporations
that join with the Company in, or would be eligible to join with the Company in,
if timely and proper  elections were made, the filing of a consolidated  federal
income tax return, under the applicable  provisions of the Internal Revenue Code
in effect from time to time.

          1.11 VALUE of a share of the Common  Stock of the  Company  shall mean
the closing price of a share of the Company's  Common Stock,  as reported on the
National Market System of the National  Association of Securities Dealers,  Inc.
If a reported  closing  price is not  available for the date on which the Common
Stock is sought to be valued,  the reported closing price for the next preceding
business day shall be used.  If reported  closing  prices are not  available for
either such date,  the Value of a share of the  Company's  Common Stock shall be
the arithmetic  mean of the bid and asked prices of the Company's  Common Stock,
as published by the National Association of Securities Dealers,  Inc., as of the
date on which the  Company's  Common Stock is sought to be valued,  or if quoted
prices are not available as of such day, then the bid and asked prices as of the
next  preceding  business day shall be used.  If the Value cannot be  determined
under the  preceding  rules of this  Section  1.11,  the Value shall be the fair
market value of the Company's Common Stock, determined under the method selected
by the Committee.  Unless  modified by the Board of Directors,  the  Committee's
good-faith  determination  of the Value of a share of the Company's Common Stock
shall be conclusive,  and shall be valid and binding upon all persons having any
interest in any Option granted hereunder.



                                       2

<PAGE>
                                  ARTICLE II

                                ADMINISTRATION

          2.01  COMMITTEE.  Subject to the terms of the Plan, the Option granted
pursuant to this Option  Agreement  shall be  administered  by the Stock  Option
Committee  of the  Board  of  Directors  of the  Company.  If for any  reason  a
Committee is not acting, the Board of Directors shall act as the Committee.  All
determinations,  decisions,  interpretations and other action made or taken with
respect to the Option  granted  hereunder  by the  Committee  shall be final and
binding  upon all persons  having any  interest in any Option  granted  pursuant
hereto,  unless  otherwise  determined by the Board of  Directors.  The Board of
Directors  shall have the power by  appropriate  action to reverse or modify any
action taken by the Committee.

          2.02 COMMITTEE TO CONSTRUE  AGREEMENT.  The Committee shall administer
the Option granted pursuant hereto, and shall have all powers necessary for that
purpose,  including but not limited to the power to interpret this Agreement and
the power to determine the rights hereunder of all persons.  The Committee shall
maintain the records of the Company that relate to the Option  granted  pursuant
hereto,  and shall have the power to adjust its records as  necessary to correct
errors and rectify  omissions,  in the manner that the  Committee  believes will
best  result in the  equitable  administration  of the Option  granted  pursuant
hereto.

          2.03 ORGANIZATION OF COMMITTEE. The Chairman of the Committee shall be
the Chairman of the Board of Directors. The Committee may adopt such rules as it
deems desirable for the conduct of its affairs and for the administration of the
Option.  The  Committee  may  appoint  agents,  who need not be  members  of the
Committee,  to whom it may  delegate  such powers as it deems  appropriate.  The
action of a majority of the members of the Committee  shall be the action of the
Committee.

          2.04  INDEMNIFICATION OF COMMITTEE MEMBERS.  The Company shall defend,
indemnify and hold  harmless  each member of the  Committee  against any and all
claims, loss, damages,  expense and liability arising from any actual or alleged
action or failure to act in  connection  with the  administration  of the Option
granted pursuant hereto, except when the same is judicially determined to be due
to the gross negligence or willful misconduct of such Committee member.


                                  ARTICLE III

                             TERMS AND CONDITIONS


          3.01 NUMBER OF SHARES SUBJECT TO OPTION.  The Company hereby grants to
the Optionee,  upon the terms and conditions set forth in this Option Agreement,
the option to purchase  Eighty  Thousand  (80,000) shares of the Common Stock of
the Company.



                                        3

<PAGE>
          3.02 EXERCISE PRICE. The price for which each Option hereby granted to
the Optionee  may be exercised  shall be $7.125 per share of the Common Stock of
the Company, which amount represents the Value of a share of the Common Stock on
the date of this Option Agreement.

          3.03 TIME FOR  EXERCISE.  The Option  hereby  granted to the  Optionee
shall be exercisable at the following times:

          With respect to Twenty Thousand  (20,000) shares of common stock,  the
     Option shall be exercisable on or after the date of this Option Agreement;

          With  respect to an  additional  Twenty  Thousand  (20,000)  shares of
     common stock,  the Option shall be  exercisable  on or after one year after
     the date of this Option Agreement.

          With  respect to a third  Twenty  Thousand  (20,000)  shares of common
     stock, the Option shall be exercisable on or after two years after the date
     of this Agreement.

          With respect to the final Twenty  Thousand  (20,000)  shares of common
     stock,  the Option shall be  exercisable  on or after three years after the
     date of this Option Agreement.

The Option granted  hereunder  shall be  exercisable  for a period of five years
after such Option first becomes  exercisable  in  accordance  with the foregoing
provisions  of this  Section  3.03,  unless  the  period of  exercise  is sooner
terminated  in accordance  with the  provisions  of this Option  Agreement.  The
Optionee shall have no right whatsoever to exercise the Option except during the
times provided above.

          3.04 RESTRICTIONS ON TRANSFERS AND ENCUMBRANCE. During the lifetime of
the Optionee,  the Option granted hereunder may not be sold, pledged,  assigned,
hypothecated,  encumbered or  transferred in any manner,  either  voluntarily or
involuntarily, by operation of law or otherwise, except by will or by applicable
laws of descent and  distribution,  and may be  exercised  during an  Optionee's
lifetime only by the Optionee or by the  Optionee's  legal  representative.  Any
Option  that has not  expired  as of the  date of the  Optionee's  death  may be
exercised  after the Optionee's  death only by the person or persons to whom the
Optionee's  interest in the Option have passed by will, by the terms of a family
trust  agreement or other like  instrument or by applicable  laws of descent and
distribution.

          3.05  EXERCISE  AFTER  DEATH  OR  DISABILITY.  In the  event  that the
Optionee dies or becomes  Disabled while in, or within ninety days after ceasing
to be a Director of the Company,  the Optionee shall be treated for all purposes
of this  Agreement as  continuing in the service of the Company  throughout  the
period  ending on the date as of which the last Option  granted to the  Optionee
hereunder  would have expired  under the  provisions of this Article III but for
the Optionee's death or Disability.



                                       4

<PAGE>
          3.06 EXERCISE SUBJECT TO SERVICE. The Optionee may exercise the Option
granted hereunder only if the Optionee has remained  continuously in the service
of the Company or as a Director  since the date on which the Option sought to be
exercised was granted to such Optionee, through a date that is not more than two
years  prior to the date on which the  Option is  sought  to be  exercised.  The
provisions of this Section shall not prevent the individual or entity to whom an
Option has passed by will or by  applicable  laws of  descent  and  distribution
after the death of an Optionee from  exercising  the Option within the period of
time during which the Option is otherwise  exercisable  under the  provisions of
this Option  Agreement,  if the Option was  exercisable  under all provisions of
this  Agreement  (including the provisions of this Section 3.06) by the Optionee
as of the date of the Optionee's death.


                                  ARTICLE IV

                            PROCEDURE FOR EXERCISE

          4.01 TIME FOR EXERCISE.  Subject to the provisions of this Article IV,
the Option granted hereunder shall be exercisable only during the times provided
in this Option Agreement.

          4.02 EXERCISE UPON CORPORATE  CAPITAL  TRANSACTION.  In the event that
the  Company,  its  shareholders,  or both,  enter into a written  agreement  to
dispose of all or substantially all of the assets or Common Stock of the Company
by  means  of a sale,  merger,  consolidation,  reorganization,  liquidation  or
similar  transaction  (other  than a  reorganization,  merger  or  consolidation
effected  solely to change the Company's  name or state of  incorporation),  the
Option  issued  pursuant  to this  Option  Agreement  shall  become  immediately
exercisable,  whether or not such  Option was  exercisable  prior to such event,
during the period of time beginning with the date on which the Company agrees in
writing to enter into such  transaction,  and ending on the  earlier of the date
the Option would  otherwise have expired or the date on which the transaction is
consummated.  Upon the consummation of the transaction,  any unexercised portion
of the Option issued hereunder shall terminate and cease to be effective. In the
event that the agreement to enter into any such  transaction is terminated,  all
unexercised  portions of the Option  shall  revert to the status they had before
the Company agreed to enter into the  transaction  in question.  Any exercise of
Option made before the agreement to enter into the  transaction  was  terminated
shall remain  effective after the termination of the agreement,  notwithstanding
that the  Option may have  become  exercisable  solely by reason of the  Company
entering into the agreement.

          4.03 WITHHOLDING OF TAXES. The Optionee hereby agrees that the Company
may, if it elects to do so, withhold federal, state and other taxes attributable
to taxable income  realized by the Optionee upon the exercise of Option from any
compensation or other payment payable to such Optionee by the Company.

          4.04  EXERCISE.  Subject  to all other  terms and  provisions  of this
Option  Agreement,  the Option granted hereunder shall be deemed to be exercised
when written notice of



                                       5

<PAGE>
exercise has been given to the Company by the Optionee or other person  entitled
to  exercise  the Option and full  payment in cash or cash  equivalents  for the
shares of Common Stock with  respect to which the Option is  exercised  has been
received by the Company.  Until  certificates have been issued for the number of
Shares  represented  by the exercise of the Option,  the Optionee  shall have no
right to vote,  to  receive  dividends,  or other  right as a  stockholder  with
respect to shares of Common Stock purchased  through the exercise of the Option.
Except as provided in Section  5.01  hereof,  no  adjustments  shall be made for
dividends  or other  rights  declared  or paid with  respect  to stock  acquired
through  the  exercise  of the Option for which the record  date is prior to the
date on which a stock certificate for such shares is issued.

          4.05 EXERCISE IN  INSTALLMENTS.  Subject to Section 3.03, the Optionee
may  exercise the Option in  installments,  but only in units of whole shares of
the Common Stock of the Company.

          4.06 ISSUANCE OF CERTIFICATES. As soon as practicable after the Option
has been exercised in accordance  with the provisions of this Option  Agreement,
the  Company  shall,  without  transfer  or  issue  tax or other  charge  to the
Optionee,  deliver  to the  Optionee  at the  principal  business  office of the
Company, or at such other place as may be agreed,  certificates representing the
number of shares of Common Stock as to which the Option has been exercised.  The
Company may,  however,  postpone the time of delivery of  certificates  for such
period  of  time  as the  Company  may  determine  to be  necessary  for it with
reasonable  diligence to comply with any applicable listing  requirements of any
national  or  regional  securities  exchange,  of the  National  Association  of
Securities  Dealers,  Inc.,  or with  any law or  regulation  applicable  to the
issuance or delivery of shares of the Company's Common Stock.


                                   ARTICLE V

                    RESTRICTIONS AND ADDITIONAL PROVISIONS

          5.01  ADJUSTMENTS  UPON  CHANGES IN  CAPITALIZATION.  If the number of
outstanding shares of the Common Stock of the Company is increased or decreased,
or if the Common Stock of the Company  underlying the Option granted pursuant to
the  provisions  of this Option  Agreement is changed  into or  exchanged  for a
different  number or kind of  shares  or  securities  of the  Company  through a
reorganization,  merger,  recapitalization,  reclassification,  stock  dividend,
stock split or reverse stock split, an appropriate and proportionate  adjustment
shall be made by the  Committee  in the  terms  and  conditions  of the  Options
granted pursuant hereto,  including the Exercise Price of the Option;  provided,
however,  that no such  adjustment  need be made if,  upon the  advice  of legal
counsel to the Company,  the Committee determines that any such adjustment could
result in the  recognition  of federal  taxable  income by the  Optionee,  or by
holders of Common Stock or other securities of the Company.

          5.02  RESERVATION OF SHARES OF COMMON STOCK. The Company shall, at all
times  during the  periods  of time  during  which the  Option may be  exercised
hereunder, reserve and keep



                                       6

<PAGE>

available  for  issuance to the  Optionee a number of shares of its Common Stock
sufficient to satisfy all obligations of the Company hereunder.

          5.03  RESTRICTIONS  ON ISSUANCE OF SHARES.  The Company  shall use its
best  efforts to seek and to obtain from  appropriate  regulatory  agencies  any
requisite  authorization in order to issue and sell such number of shares of its
Common Stock as shall be  sufficient to satisfy the  obligations  of the Company
under this  Agreement.  The  inability  of the  Company to obtain  authorization
deemed to be necessary by the Company's legal counsel to the lawful issuance and
sale of any shares of the  Company's  Common Stock shall  relieve the Company of
any liability for the nonissuance or nonsale of any Common Stock as to which the
requisite approval or authorization shall not have been obtained.

          5.04 REPRESENTATIONS AND WARRANTIES. As a condition to the exercise of
the Option granted  hereunder,  the Committee may require the person  exercising
the Option to make any  representations  or warranties to the Company that legal
counsel to the Company may  determine  to be  required  or  advisable  under any
applicable law or regulation,  including without limitation a representation and
warranty that the shares of the Company's  Common Stock being acquired are being
acquired only for investment  and without any present  intention or view to sell
or distribute any such shares.

          5.05 OPTIONEE  RIGHTS.  No provision of this Agreement shall be deemed
to constitute a condition of the service or status of any Director. No provision
of this Option Agreement shall be deemed to give to the Optionee any right to be
retained in the service of the Company or of any  Subsidiary  Corporation in any
capacity  (whether  as  an  employee,   Director,   independent   contractor  or
otherwise),  or to  interfere  in any way with the right of the  Company and its
Subsidiary  Corporations  at any time to remove any Director,  or to discontinue
using the  services  of any  individual.  The  Optionee  shall  have no right or
interest  in any share of the  Company's  Common  Stock prior to exercise of the
Option, except as provided in this Option Agreement.

          5.06 LEGENDS ON STOCK CERTIFICATES. Unless an appropriate registration
statement is on file and effective  with  appropriate  federal,  state and local
governmental  authorities,  each  certificate  representing  Common Stock of the
Company  issued  pursuant to the exercise of the Option shall be endorsed on its
face with a legend similar to the following:

          Neither the Option  pursuant to which the shares  represented  by this
          certificate  are issued nor the shares  represented  hereby  have been
          registered  with the  Securities  and  Exchange  Commission  under the
          Securities  Act of 1933,  as  amended,  or with any  state  securities
          agency.  The transfer or sale of the shares represented hereby without
          appropriate   registration,   or   pursuant  to  an   exemption   from
          registration, is unlawful.



                                       7

<PAGE>
                                  ARTICLE VI

                           MISCELLANEOUS PROVISIONS


          6.01 NOTICES

          (a) All notices,  demands or requests  provided for or permitted to be
given  pursuant  hereto must be in writing.  All  notices,  demands and requests
shall be deemed to have been  properly  given or served  when  deposited  in the
United  States  mail,  addressed to the  individual  or entity to whom notice is
given,   postage  prepaid  and  registered  or  certified  with  return  receipt
requested, at the last known address of such individual or entity.

          (b) By giving at least  fifteen (15) days prior  written  notice,  the
Company,  a Subsidiary  Corporation  and the Optionee  shall have the right from
time to time to change their  addresses and to specify any other address  within
the United States of America.

          6.02 TITLES AND CAPTIONS.  All Article and Section titles and captions
in this Option Agreement are for convenience or reference only, and shall not be
deemed part of this Option  Agreement,  and in no way define,  limit,  extend or
describe the scope or intent of any provisions hereof.

          6.03  PRONOUNS  AND PLURALS.  Whenever  the context may  require,  any
pronoun  used herein  shall  include the  corresponding  masculine,  feminine or
neuter forms,  and the singular form of nouns,  pronouns and verbs shall include
the plural and vice versa.

          6.04  APPLICABLE  LAW.  This Option  Agreement  shall be  construed in
accordance with and shall be governed by the laws of the State of Nevada.

          6.05 BINDING EFFECT.  This Option  Agreement shall be binding upon the
Optionee and upon the Optionee's heirs, executors,  administrators,  successors,
legal representatives and assigns.

          6.06 CREDITORS.  None of the provisions of this Option Agreement shall
be for the benefit of or shall be enforceable by any creditor of the Optionee.

          6.07 SEVERABILITY.  In the event that any condition, covenant or other
provision  herein  contained  is held to be  invalid  or  void by any  court  of
competent jurisdiction, the same shall be deemed severable from the remainder of
this Option Agreement and shall in no way affect any other covenant or condition
herein contained. If such condition, covenant or other provision shall be deemed
invalid due to its scope or breadth, such provision shall be deemed valid to the
extent of the scope or breadth permitted by law.

          6.08 PLAN CONTROLS.  This Option Agreement is subject to the terms and
provisions of the Plan, and in the event of an inconsistency herewith, the terms
of the plan shall control.



                                       8

<PAGE>
          IN WITNESS  WHEREOF,  the Company and the Optionee  have executed this
Option Agreement as of the date first set forth above.


                                   "Company"

                                        AMERICAN PACIFIC CORPORATION,
                                        a Delaware corporation


                                        By    /s/ John R. Gibson
                                          -------------------------------
                                          John R. Gibson
                                          President

Attest:


  /s/ C. Keith Rooker
- -----------------------------
C. Keith Rooker
Secretary


                                  "Optionee"


                                        /s/ David N. Keys
                                        ---------------------------------
                                        David N. Keys

                                        Address:   1824 Glenview Drive
                                                   Las Vegas, NV 89134




                                       9


                            STOCK OPTION AGREEMENT


          This Stock Option  Agreement is made and entered into  effective as of
the 8/th/ day of July,  1997, by and between  American  Pacific  Corporation,  a
Delaware  corporation (the "Company"),  and John R. Gibson, of Las Vegas, Nevada
(the "Optionee").


                                   RECITALS:

          A. The Optionee is serving as President and Chief Executive Officer of
the Company.  The Company desires to encourage the ownership of its Common Stock
by the  Optionee,  and to provide an  incentive  for the  Optionee  to assist in
expanding and improving the growth,  profitability and general prosperity of the
Company and of its Subsidiary Corporations,  and to stimulate the efforts of the
Optionee by giving suitable  recognition,  in the form of  compensation,  to his
abilities  and  industry,   which  contribute   materially  to  the  growth  and
profitability of the Company and of its Subsidiary Corporations.

          B. The  Company  has  decided to grant to the  Optionee  the option to
purchase shares of the Common Stock of the Company.

          C. The Company and the  Optionee now desire to set forth the terms and
conditions  upon which the Optionee shall have the Option to purchase  shares of
the Common  Stock of the Company,  and certain  terms and  conditions  that will
govern the issuance, holding and exercise of such Options.


                                  PROVISIONS:

          NOW, THEREFORE,  in consideration of the mutual covenants and promises
contained herein, the parties to this Option Agreement agree as follows:


                                   ARTICLE I

                                  DEFINITIONS


          As used in this Option  Agreement,  the following terms shall have the
indicated meanings:

          1.01 BOARD OF  DIRECTORS.  The term Board of Directors  shall mean the
Board of Directors of the Company.

<PAGE>
          1.02 COMMITTEE  shall mean the Stock Option  Committee of the Board of
Directors of the Company referred to in Article II of this Option Agreement.

          1.03 COMMON  STOCK  shall mean the common  stock of the  Company,  par
value ten cents ($0.10) per share.

          1.04  COMPANY  shall mean  American  Pacific  Corporation,  a Delaware
corporation.

          1.05 DISABILITY  shall mean a physical or mental condition that, based
upon  medical  reports  and  other  evidence   satisfactory  to  the  Committee,
presumably permanently prevents the Optionee from satisfactorily  performing his
usual duties for the Company.

          1.06 EXERCISE  PRICE shall mean the price for which an Option  granted
hereunder  may be  exercised,  as  provided  in  Section  3.02  of  this  Option
Agreement.

          1.07  OPTION  shall  mean the right to  purchase  shares of the Common
Stock  of the  Company,  granted  pursuant  to the  provisions  of  this  Option
Agreement.

          1.08  OPTION  AGREEMENT  or  AGREEMENT  shall mean this  Stock  Option
Agreement.

          1.09 OPTIONEE shall mean the Optionee  identified  above, to whom this
Option has been granted,  upon the terms and conditions set forth in this Option
Agreement.

          1.10 SUBSIDIARY  CORPORATIONS  shall mean and include all corporations
that join with the Company in, or would be eligible to join with the Company in,
if timely and proper  elections were made, the filing of a consolidated  federal
income tax return, under the applicable  provisions of the Internal Revenue Code
in effect from time to time.

          1.11 VALUE of a share of the Common  Stock of the  Company  shall mean
the closing price of a share of the Company's  Common Stock,  as reported on the
National Market System of the National  Association of Securities Dealers,  Inc.
If a reported  closing  price is not  available for the date on which the Common
Stock is sought to be valued,  the reported closing price for the next preceding
business day shall be used.  If reported  closing  prices are not  available for
either such date,  the Value of a share of the  Company's  Common Stock shall be
the arithmetic  mean of the bid and asked prices of the Company's  Common Stock,
as published by the National Association of Securities Dealers,  Inc., as of the
date on which the  Company's  Common Stock is sought to be valued,  or if quoted
prices are not available as of such day, then the bid and asked prices as of the
next  preceding  business day shall be used.  If the Value cannot be  determined
under the  preceding  rules of this  Section  1.11,  the Value shall be the fair
market value of the Company's Common Stock, determined under the method selected
by the Committee.  Unless  modified by the Board of Directors,  the  Committee's
good-faith  determination  of the Value of a share of the Company's Common Stock
shall be conclusive,  and shall be valid and binding upon all persons having any
interest in any Option granted hereunder.


                                       2

<PAGE>
                                  ARTICLE II

                                ADMINISTRATION


          2.01 COMMITTEE. Subject to the terms of the Plan, the Option granted
pursuant to this Option  Agreement  shall be  administered  by the Stock  Option
Committee  of the  Board  of  Directors  of the  Company.  If for any  reason  a
Committee is not acting, the Board of Directors shall act as the Committee.  All
determinations,  decisions,  interpretations and other action made or taken with
respect to the Option  granted  hereunder  by the  Committee  shall be final and
binding  upon all persons  having any  interest in any Option  granted  pursuant
hereto,  unless  otherwise  determined by the Board of  Directors.  The Board of
Directors  shall have the power by  appropriate  action to reverse or modify any
action taken by the Committee.

          2.02 COMMITTEE TO CONSTRUE  AGREEMENT.  The Committee shall administer
the Option granted pursuant hereto, and shall have all powers necessary for that
purpose,  including but not limited to the power to interpret this Agreement and
the power to determine the rights hereunder of all persons.  The Committee shall
maintain the records of the Company that relate to the Option  granted  pursuant
hereto,  and shall have the power to adjust its records as  necessary to correct
errors and rectify  omissions,  in the manner that the  Committee  believes will
best  result in the  equitable  administration  of the Option  granted  pursuant
hereto.

          2.03 ORGANIZATION OF COMMITTEE. The Chairman of the Committee shall be
the Chairman of the Board of Directors. The Committee may adopt such rules as it
deems desirable for the conduct of its affairs and for the administration of the
Option.  The  Committee  may  appoint  agents,  who need not be  members  of the
Committee,  to whom it may  delegate  such powers as it deems  appropriate.  The
action of a majority of the members of the Committee  shall be the action of the
Committee.

          2.04  INDEMNIFICATION OF COMMITTEE MEMBERS.  The Company shall defend,
indemnify and hold  harmless  each member of the  Committee  against any and all
claims, loss, damages,  expense and liability arising from any actual or alleged
action or failure to act in  connection  with the  administration  of the Option
granted pursuant hereto, except when the same is judicially determined to be due
to the gross negligence or willful misconduct of such Committee member.


                                  ARTICLE III

                             TERMS AND CONDITIONS


          3.01 NUMBER OF SHARES SUBJECT TO OPTION.  The Company hereby grants to
the Optionee,  upon the terms and conditions set forth in this Option Agreement,
the option to purchase One Hundred Thousand (100,000) shares of the Common Stock
of the Company.


                                       3

<PAGE>
          3.02 EXERCISE PRICE. The price for which each Option hereby granted to
the Optionee  may be exercised  shall be $7.125 per share of the Common Stock of
the Company, which amount represents the Value of a share of the Common Stock on
the date of this Option Agreement.

          3.03 TIME FOR  EXERCISE.  The Option  hereby  granted to the  Optionee
shall be exercisable at the following times:

          With respect to Twenty-five  Thousand (25,000) shares of common stock,
     the  Option  shall  be  exercisable  on or after  the  date of this  Option
     Agreement;

          With respect to an additional  Twenty-five Thousand (25,000) shares of
     common stock,  the Option shall be  exercisable  on or after one year after
     the date of this Option Agreement.

          With respect to a third Twenty-five Thousand (25,000) shares of common
     stock, the Option shall be exercisable on or after two years after the date
     of this Agreement.

          With  respect to the final  Twenty-five  Thousand  (25,000)  shares of
     common stock, the Option shall be exercisable on or after three years after
     the date of this Option Agreement.

The Option granted  hereunder  shall be  exercisable  for a period of five years
after such Option first becomes  exercisable  in  accordance  with the foregoing
provisions  of this  Section  3.03,  unless  the  period of  exercise  is sooner
terminated  in accordance  with the  provisions  of this Option  Agreement.  The
Optionee shall have no right whatsoever to exercise the Option except during the
times provided above.

          3.04 RESTRICTIONS ON TRANSFERS AND ENCUMBRANCE. During the lifetime of
the Optionee,  the Option granted hereunder may not be sold, pledged,  assigned,
hypothecated,  encumbered or  transferred in any manner,  either  voluntarily or
involuntarily, by operation of law or otherwise, except by will or by applicable
laws of descent and  distribution,  and may be  exercised  during an  Optionee's
lifetime only by the Optionee or by the  Optionee's  legal  representative.  Any
Option  that has not  expired  as of the  date of the  Optionee's  death  may be
exercised  after the Optionee's  death only by the person or persons to whom the
Optionee's  interest in the Option have passed by will, by the terms of a family
trust  agreement or other like  instrument or by applicable  laws of descent and
distribution.

          3.05  EXERCISE  AFTER  DEATH  OR  DISABILITY.  In the  event  that the
Optionee dies or becomes  Disabled while in, or within ninety days after ceasing
to be a Director of the Company,  the Optionee shall be treated for all purposes
of this  Agreement as  continuing in the service of the Company  throughout  the
period  ending on the date as of which the last Option  granted to the  Optionee
hereunder  would have expired  under the  provisions of this Article III but for
the Optionee's death or Disability.


                                       4

<PAGE>

          3.06 EXERCISE SUBJECT TO SERVICE. The Optionee may exercise the Option
granted hereunder only if the Optionee has remained  continuously in the service
of the Company or as a Director  since the date on which the Option sought to be
exercised was granted to such Optionee, through a date that is not more than two
years  prior to the date on which the  Option is  sought  to be  exercised.  The
provisions of this Section shall not prevent the individual or entity to whom an
Option has passed by will or by  applicable  laws of  descent  and  distribution
after the death of an Optionee from  exercising  the Option within the period of
time during which the Option is otherwise  exercisable  under the  provisions of
this Option  Agreement,  if the Option was  exercisable  under all provisions of
this  Agreement  (including the provisions of this Section 3.06) by the Optionee
as of the date of the Optionee's death.


                                  ARTICLE IV

                            PROCEDURE FOR EXERCISE


          4.01 TIME FOR EXERCISE.  Subject to the provisions of this Article IV,
the Option granted hereunder shall be exercisable only during the times provided
in this Option Agreement.

          4.02 EXERCISE UPON CORPORATE  CAPITAL  TRANSACTION.  In the event that
the  Company,  its  shareholders,  or both,  enter into a written  agreement  to
dispose of all or substantially all of the assets or Common Stock of the Company
by  means  of a sale,  merger,  consolidation,  reorganization,  liquidation  or
similar  transaction  (other  than a  reorganization,  merger  or  consolidation
effected  solely to change the Company's  name or state of  incorporation),  the
Option  issued  pursuant  to this  Option  Agreement  shall  become  immediately
exercisable,  whether or not such  Option was  exercisable  prior to such event,
during the period of time beginning with the date on which the Company agrees in
writing to enter into such  transaction,  and ending on the  earlier of the date
the Option would  otherwise have expired or the date on which the transaction is
consummated.  Upon the consummation of the transaction,  any unexercised portion
of the Option issued hereunder shall terminate and cease to be effective. In the
event that the agreement to enter into any such  transaction is terminated,  all
unexercised  portions of the Option  shall  revert to the status they had before
the Company agreed to enter into the  transaction  in question.  Any exercise of
Option made before the agreement to enter into the  transaction  was  terminated
shall remain  effective after the termination of the agreement,  notwithstanding
that the  Option may have  become  exercisable  solely by reason of the  Company
entering into the agreement.

          4.03 WITHHOLDING OF TAXES. The Optionee hereby agrees that the Company
may, if it elects to do so, withhold federal, state and other taxes attributable
to taxable income  realized by the Optionee upon the exercise of Option from any
compensation or other payment payable to such Optionee by the Company.

          4.04  EXERCISE.  Subject  to all other  terms and  provisions  of this
Option  Agreement,  the Option granted hereunder shall be deemed to be exercised
when written notice of


                                       5

<PAGE>
exercise has been given to the Company by the Optionee or other person  entitled
to  exercise  the Option and full  payment in cash or cash  equivalents  for the
shares of Common Stock with  respect to which the Option is  exercised  has been
received by the Company.  Until  certificates have been issued for the number of
Shares  represented  by the exercise of the Option,  the Optionee  shall have no
right to vote,  to  receive  dividends,  or other  right as a  stockholder  with
respect to shares of Common Stock purchased  through the exercise of the Option.
Except as provided in Section  5.01  hereof,  no  adjustments  shall be made for
dividends  or other  rights  declared  or paid with  respect  to stock  acquired
through  the  exercise  of the Option for which the record  date is prior to the
date on which a stock certificate for such shares is issued.

          4.05 EXERCISE IN  INSTALLMENTS.  Subject to Section 3.03, the Optionee
may  exercise the Option in  installments,  but only in units of whole shares of
the Common Stock of the Company.

          4.06 ISSUANCE OF CERTIFICATES. As soon as practicable after the Option
has been exercised in accordance  with the provisions of this Option  Agreement,
the  Company  shall,  without  transfer  or  issue  tax or other  charge  to the
Optionee,  deliver  to the  Optionee  at the  principal  business  office of the
Company, or at such other place as may be agreed,  certificates representing the
number of shares of Common Stock as to which the Option has been exercised.  The
Company may,  however,  postpone the time of delivery of  certificates  for such
period  of  time  as the  Company  may  determine  to be  necessary  for it with
reasonable  diligence to comply with any applicable listing  requirements of any
national  or  regional  securities  exchange,  of the  National  Association  of
Securities  Dealers,  Inc.,  or with  any law or  regulation  applicable  to the
issuance or delivery of shares of the Company's Common Stock.


                                   ARTICLE V

                    RESTRICTIONS AND ADDITIONAL PROVISIONS


          5.01  ADJUSTMENTS  UPON  CHANGES IN  CAPITALIZATION.  If the number of
outstanding shares of the Common Stock of the Company is increased or decreased,
or if the Common Stock of the Company  underlying the Option granted pursuant to
the  provisions  of this Option  Agreement is changed  into or  exchanged  for a
different  number or kind of  shares  or  securities  of the  Company  through a
reorganization,  merger,  recapitalization,  reclassification,  stock  dividend,
stock split or reverse stock split, an appropriate and proportionate  adjustment
shall be made by the  Committee  in the  terms  and  conditions  of the  Options
granted pursuant hereto,  including the Exercise Price of the Option;  provided,
however,  that no such  adjustment  need be made if,  upon the  advice  of legal
counsel to the Company,  the Committee determines that any such adjustment could
result in the  recognition  of federal  taxable  income by the  Optionee,  or by
holders of Common Stock or other securities of the Company.

          5.02  RESERVATION OF SHARES OF COMMON STOCK. The Company shall, at all
times  during the  periods  of time  during  which the  Option may be  exercised
hereunder, reserve and keep


                                       6

<PAGE>
available  for  issuance to the  Optionee a number of shares of its Common Stock
sufficient to satisfy all obligations of the Company hereunder.

          5.03  RESTRICTIONS  ON ISSUANCE OF SHARES.  The Company  shall use its
best  efforts to seek and to obtain from  appropriate  regulatory  agencies  any
requisite  authorization in order to issue and sell such number of shares of its
Common Stock as shall be  sufficient to satisfy the  obligations  of the Company
under this  Agreement.  The  inability  of the  Company to obtain  authorization
deemed to be necessary by the Company's legal counsel to the lawful issuance and
sale of any shares of the  Company's  Common Stock shall  relieve the Company of
any liability for the nonissuance or nonsale of any Common Stock as to which the
requisite approval or authorization shall not have been obtained.

          5.04 REPRESENTATIONS AND WARRANTIES. As a condition to the exercise of
the Option granted  hereunder,  the Committee may require the person  exercising
the Option to make any  representations  or warranties to the Company that legal
counsel to the Company may  determine  to be  required  or  advisable  under any
applicable law or regulation,  including without limitation a representation and
warranty that the shares of the Company's  Common Stock being acquired are being
acquired only for investment  and without any present  intention or view to sell
or distribute any such shares.

          5.05 OPTIONEE  RIGHTS.  No provision of this Agreement shall be deemed
to constitute a condition of the service or status of any Director. No provision
of this Option Agreement shall be deemed to give to the Optionee any right to be
retained in the service of the Company or of any  Subsidiary  Corporation in any
capacity  (whether  as  an  employee,   Director,   independent   contractor  or
otherwise),  or to  interfere  in any way with the right of the  Company and its
Subsidiary  Corporations  at any time to remove any Director,  or to discontinue
using the  services  of any  individual.  The  Optionee  shall  have no right or
interest  in any share of the  Company's  Common  Stock prior to exercise of the
Option, except as provided in this Option Agreement.

          5.06 LEGENDS ON STOCK CERTIFICATES. Unless an appropriate registration
statement is on file and effective  with  appropriate  federal,  state and local
governmental  authorities,  each  certificate  representing  Common Stock of the
Company  issued  pursuant to the exercise of the Option shall be endorsed on its
face with a legend similar to the following:

          Neither the Option  pursuant to which the shares  represented  by this
          certificate  are issued nor the shares  represented  hereby  have been
          registered  with the  Securities  and  Exchange  Commission  under the
          Securities  Act of 1933,  as  amended,  or with any  state  securities
          agency.  The transfer or sale of the shares represented hereby without
          appropriate   registration,   or   pursuant  to  an   exemption   from
          registration, is unlawful.


                                        7

<PAGE>
                                  ARTICLE VI

                           MISCELLANEOUS PROVISIONS


          6.01 NOTICES

          (a) All notices,  demands or requests  provided for or permitted to be
given  pursuant  hereto must be in writing.  All  notices,  demands and requests
shall be deemed to have been  properly  given or served  when  deposited  in the
United  States  mail,  addressed to the  individual  or entity to whom notice is
given,   postage  prepaid  and  registered  or  certified  with  return  receipt
requested, at the last known address of such individual or entity.

          (b) By giving at least  fifteen (15) days prior  written  notice,  the
Company,  a Subsidiary  Corporation  and the Optionee  shall have the right from
time to time to change their  addresses and to specify any other address  within
the United States of America.

          6.02 TITLES AND CAPTIONS.  All Article and Section titles and captions
in this Option Agreement are for convenience or reference only, and shall not be
deemed part of this Option  Agreement,  and in no way define,  limit,  extend or
describe the scope or intent of any provisions hereof.

          6.03 PRONOUNS AND PLURALS.  Whenever the context may require, any
pronoun  used herein  shall  include the  corresponding  masculine,  feminine or
neuter forms,  and the singular form of nouns,  pronouns and verbs shall include
the plural and vice versa.

          6.04  APPLICABLE  LAW.  This Option  Agreement  shall be  construed in
accordance with and shall be governed by the laws of the State of Nevada.

          6.05 BINDING EFFECT.  This Option  Agreement shall be binding upon the
Optionee and upon the Optionee's heirs, executors,  administrators,  successors,
legal representatives and assigns.

          6.06 CREDITORS.  None of the provisions of this Option Agreement shall
be for the benefit of or shall be enforceable by any creditor of the Optionee.

          6.07 SEVERABILITY.  In the event that any condition, covenant or other
provision  herein  contained  is held to be  invalid  or  void by any  court  of
competent jurisdiction, the same shall be deemed severable from the remainder of
this Option Agreement and shall in no way affect any other covenant or condition
herein contained. If such condition, covenant or other provision shall be deemed
invalid due to its scope or breadth, such provision shall be deemed valid to the
extent of the scope or breadth permitted by law.

          6.08 PLAN CONTROLS.  This Option Agreement is subject to the terms and
provisions of the Plan, and in the event of an inconsistency herewith, the terms
of the plan shall control.


                                       8

<PAGE>
          IN WITNESS  WHEREOF,  the Company and the Optionee  have executed this
Option Agreement as of the date first set forth above.


                                   "Company"

                                        AMERICAN PACIFIC CORPORATION,
                                        a Delaware corporation


                                        By   /s/ John R. Gibson
                                        ------------------------------------
                                             John R. Gibson
                                             President

Attest:


/s/ C. Keith Rooker
- ----------------------------
C. Keith Rooker
Secretary


                                  "Optionee"



                                             /s/ John R. Gibson
                                        ------------------------------------
                                        John R. Gibson

                                        Address:   7409 Doe Avenue
                                                   Las Vegas, NV 89117




                                       9



                            STOCK OPTION AGREEMENT


          This Stock Option  Agreement is made and entered into  effective as of
the 21/st/ day of May,  1997, by and between  American  Pacific  Corporation,  a
Delaware  corporation (the  "Company"),  and (INSERT NAME & ADDRESS OF DIRECTOR)
(the "Optionee").


                                   RECITALS:

          A. The Optionee is serving as a Director of the  Company.  The Company
desires to encourage the  ownership of its Common Stock by the Optionee,  and to
provide an incentive  for the Optionee to assist in expanding  and improving the
growth,  profitability  and  general  prosperity  of  the  Company  and  of  its
Subsidiary Corporations,  and to stimulate the efforts of the Optionee by giving
suitable  recognition,  in  the  form  of  compensation,  to his  abilities  and
industry,  which  contribute  materially to the growth and  profitability of the
Company and of its Subsidiary Corporations.

          B. The  Company  has  decided to grant to the  Optionee  the option to
purchase shares of the Common Stock of the Company.

          C. The Company and the  Optionee now desire to set forth the terms and
conditions  upon which the Optionee shall have the Option to purchase  shares of
the Common  Stock of the Company,  and certain  terms and  conditions  that will
govern the issuance, holding and exercise of such Options.


                                  PROVISIONS:

          NOW, THEREFORE,  in consideration of the mutual covenants and promises
contained herein, the parties to this Option Agreement agree as follows:


                                   ARTICLE I

                                  DEFINITIONS


          As used in this Option  Agreement,  the following terms shall have the
indicated meanings:

          1.01 BOARD OF  DIRECTORS.  The term Board of Directors  shall mean the
Board of Directors of the Company.

          1.02 COMMITTEE  shall mean the Stock Option  Committee of the Board of
Directors of the Company referred to in Article II of this Option Agreement.

          1.03 COMMON  STOCK  shall mean the common  stock of the  Company,  par
value ten cents ($0.10) per share.

          1.04  COMPANY  shall mean  American  Pacific  Corporation,  a Delaware
corporation.

          1.05 DISABILITY  shall mean a physical or mental condition that, based
upon  medical  reports  and  other  evidence   satisfactory  to  the  Committee,
presumably permanently prevents the Optionee from satisfactorily  performing his
usual duties for the Company.

          1.06 EXERCISE  PRICE shall mean the price for which an Option  granted
hereunder  may be  exercised,  as  provided  in  Section  3.02  of  this  Option
Agreement.

<PAGE>
          1.07  OPTION  shall  mean the right to  purchase  shares of the Common
Stock  of the  Company,  granted  pursuant  to the  provisions  of  this  Option
Agreement.

          1.08  OPTION  AGREEMENT  or  AGREEMENT  shall mean this  Stock  Option
Agreement.

          1.09 OPTIONEE shall mean the Optionee  identified  above, to whom this
Option has been granted,  upon the terms and conditions set forth in this Option
Agreement.

          1.10 SUBSIDIARY  CORPORATIONS  shall mean and include all corporations
that join with the Company in, or would be eligible to join with the Company in,
if timely and proper  elections were made, the filing of a consolidated  federal
income tax return, under the applicable  provisions of the Internal Revenue Code
in effect from time to time.

          1.11 VALUE of a share of the Common  Stock of the  Company  shall mean
the closing price of a share of the Company's  Common Stock,  as reported on the
National Market System of the National  Association of Securities Dealers,  Inc.
If a reported  closing  price is not  available for the date on which the Common
Stock is sought to be valued,  the reported closing price for the next preceding
business day shall be used.  If reported  closing  prices are not  available for
either such date,  the Value of a share of the  Company's  Common Stock shall be
the arithmetic  mean of the bid and asked prices of the Company's  Common Stock,
as published by the National Association of Securities Dealers,  Inc., as of the
date on which the  Company's  Common Stock is sought to be valued,  or if quoted
prices are not available as of such day, then the bid and asked prices as of the
next  preceding  business day shall be used.  If the Value cannot be  determined
under the  preceding  rules of this  Section  1.11,  the Value shall be the fair
market value of the Company's Common Stock, determined under the method selected
by the Committee.  Unless  modified by the Board of Directors,  the  Committee's
good-faith  determination  of the Value of a share of the Company's Common Stock
shall be conclusive,  and shall be valid and binding upon all persons having any
interest in any Option granted hereunder.


                                  ARTICLE II

                                ADMINISTRATION


          2.01  COMMITTEE.  Subject to the terms of the Plan, the Option granted
pursuant to this Option  Agreement  shall be  administered  by the Stock  Option
Committee  of the  Board  of  Directors  of the  Company.  If for any  reason  a
Committee is not acting, the Board of Directors shall act as the Committee.  All
determinations,  decisions,  interpretations and other action made or taken with
respect to the Option  granted  hereunder  by the  Committee  shall be final and
binding  upon all persons  having any  interest in any Option  granted  pursuant
hereto,  unless  otherwise  determined by the Board of  Directors.  The Board of
Directors  shall have the power by  appropriate  action to reverse or modify any
action taken by the Committee.

          2.02 COMMITTEE TO CONSTRUE  AGREEMENT.  The Committee shall administer
the Option granted pursuant hereto, and shall have all powers necessary for that
purpose,  including but not limited to the power to interpret this Agreement and
the power to determine the rights hereunder of all persons.  The Committee shall
maintain the records of the Company that relate to the Option  granted  pursuant
hereto,  and shall have the power to adjust its records as  necessary to correct
errors and rectify  omissions,  in the manner that the  Committee  believes will
best  result in the  equitable  administration  of the Option  granted  pursuant
hereto.

          2.03 ORGANIZATION OF COMMITTEE. The Chairman of the Committee shall be
the Chairman of the Board of Directors. The Committee may adopt such rules as it
deems desirable for the conduct of its affairs and for the administration of the
Option.  The  Committee  may  appoint  agents,  who need not be  members  of the
Committee,  to whom it may  delegate  such powers as it deems  appropriate.  The
action of a majority of the members of the Committee  shall be the action of the
Committee.


                                       2

<PAGE>
          2.04  INDEMNIFICATION OF COMMITTEE MEMBERS.  The Company shall defend,
indemnify and hold  harmless  each member of the  Committee  against any and all
claims, loss, damages,  expense and liability arising from any actual or alleged
action or failure to act in  connection  with the  administration  of the Option
granted pursuant hereto, except when the same is judicially determined to be due
to the gross negligence or willful misconduct of such Committee member.


                                  ARTICLE III

                             TERMS AND CONDITIONS


          3.01 NUMBER OF SHARES SUBJECT TO OPTION.  The Company hereby grants to
the Optionee,  upon the terms and conditions set forth in this Option Agreement,
the option to purchase Fifteen  Thousand  (15,000) shares of the Common Stock of
the Company.

          3.02 EXERCISE PRICE.  The price for which each Option hereby granted
to the Optionee may be exercised shall be $7.00 per share of the Common Stock of
the Company, which amount represents the Value of a share of the Common Stock on
the date of this Option Agreement.

          3.03 TIME FOR  EXERCISE.  The Option  hereby  granted to the  Optionee
shall be exercisable at the following times:

          With  respect to (INSERT  NUMBER OF  SHARES)  (####)  shares of common
     stock,  the Option shall be exercisable on or after the date of this Option
     Agreement;

          With respect to the remaining  (INSERT NUMBER OF SHARES) (####) shares
     of common stock, the Option shall be exercisable on or after one year after
     the date of this Option Agreement.

The Option granted  hereunder  shall be  exercisable  for a period of five years
after such Option first becomes  exercisable  in  accordance  with the foregoing
provisions  of this  Section  3.03,  unless  the  period of  exercise  is sooner
terminated  in accordance  with the  provisions  of this Option  Agreement.  The
Optionee shall have no right whatsoever to exercise the Option except during the
times provided above.

          3.04 RESTRICTIONS ON TRANSFERS AND ENCUMBRANCE. During the lifetime of
the Optionee,  the Option granted hereunder may not be sold, pledged,  assigned,
hypothecated,  encumbered or  transferred in any manner,  either  voluntarily or
involuntarily,  by operation of law or  otherwise,  except to family  members or
trusts for such  family  members,  affiliates  of the  Optionee or by will or by
applicable  laws of descent and  distribution,  and may be  exercised  during an
Optionee's  lifetime  only by the  Optionee,  a permitted  transferee  or by the
Optionee's legal representative.  Any Option that has not expired as of the date
of the Optionee's  death may be exercised after the Optionee's death only by the
person or persons to whom the  Optionee's  interest in the Option have passed by
will,  by the terms of a family trust  agreement or other like  instrument or by
applicable laws of descent and distribution.

          3.05  EXERCISE  AFTER  DEATH  OR  DISABILITY.  In the  event  that the
Optionee dies or becomes  Disabled while in, or within ninety days after ceasing
to be a Director of the Company,  the Optionee shall be treated for all purposes
of this  Agreement as  continuing in the service of the Company  throughout  the
period  ending on the date as of which the last Option  granted to the  Optionee
hereunder  would have expired  under the  provisions of this Article III but for
the Optionee's death or Disability.

          3.06 EXERCISE SUBJECT TO SERVICE. The Optionee may exercise the Option
granted hereunder only if the Optionee has remained  continuously in the service
of the Company or as a Director  since the date on which the Option sought to be
exercised was granted to such Optionee, through a date that is not more than two
years  prior to the date on which the  Option is  sought  to be  exercised.  The
provisions of this Section shall not prevent the individual or entity to whom an
Option has passed by will or by  applicable  laws of  descent  and  distribution
after the death of an


                                       3

<PAGE>
Optionee from  exercising  the Option within the period of time during which the
Option is otherwise  exercisable  under the provisions of this Option Agreement,
if the Option was exercisable under all provisions of this Agreement  (including
the  provisions  of this  Section  3.06) by the  Optionee  as of the date of the
Optionee's death.

                                  ARTICLE IV

                            PROCEDURE FOR EXERCISE


          4.01 TIME FOR EXERCISE.  Subject to the provisions of this Article IV,
the Option granted hereunder shall be exercisable only during the times provided
in this Option Agreement.

          4.02 EXERCISE UPON CORPORATE  CAPITAL  TRANSACTION.  In the event that
the  Company,  its  shareholders,  or both,  enter into a written  agreement  to
dispose of all or substantially all of the assets or Common Stock of the Company
by  means  of a sale,  merger,  consolidation,  reorganization,  liquidation  or
similar  transaction  (other  than a  reorganization,  merger  or  consolidation
effected  solely to change the Company's  name or state of  incorporation),  the
Option  issued  pursuant  to this  Option  Agreement  shall  become  immediately
exercisable,  whether or not such  Option was  exercisable  prior to such event,
during the period of time beginning with the date on which the Company agrees in
writing to enter into such  transaction,  and ending on the  earlier of the date
the Option would  otherwise have expired or the date on which the transaction is
consummated.  Upon the consummation of the transaction,  any unexercised portion
of the Option issued hereunder shall terminate and cease to be effective. In the
event that the agreement to enter into any such  transaction is terminated,  all
unexercised  portions of the Option  shall  revert to the status they had before
the Company agreed to enter into the  transaction  in question.  Any exercise of
Option made before the agreement to enter into the  transaction  was  terminated
shall remain  effective after the termination of the agreement,  notwithstanding
that the  Option may have  become  exercisable  solely by reason of the  Company
entering into the agreement.

          4.03 WITHHOLDING OF TAXES. The Optionee hereby agrees that the Company
may, if it elects to do so, withhold federal, state and other taxes attributable
to taxable income  realized by the Optionee upon the exercise of Option from any
compensation or other payment payable to such Optionee by the Company.

          4.04  EXERCISE.  Subject  to all other  terms and  provisions  of this
Option  Agreement,  the Option granted hereunder shall be deemed to be exercised
when written notice of exercise has been given to the Company by the Optionee or
other  person  entitled to exercise  the Option and full payment in cash or cash
equivalents  for the shares of Common  Stock with respect to which the Option is
exercised has been received by the Company.  In lieu of cash, the purchase price
may be  satisfied by the delivery of common stock of the Company (in proper form
for transfer and  accompanied by all requisite  stock transfer stamps or cash in
lieu  thereof)  owned by the  Optionee  for at least  six  months  prior to such
delivery and having a fair market value equal to the exercise  price  applicable
to that  portion of the Option  being  exercised.  The fair market  value of the
common stock so delivered shall be the value of such common stock  determined in
accordance with Section 1.11 hereof on the date of delivery.  Until certificates
have been  issued for the number of Shares  represented  by the  exercise of the
Option, the Optionee shall have no right to vote, to receive dividends, or other
right as a stockholder with respect to shares of Common Stock purchased  through
the  exercise of the  Option.  Except as provided  in Section  5.01  hereof,  no
adjustments  shall be made for  dividends or other rights  declared or paid with
respect  to stock  acquired  through  the  exercise  of the Option for which the
record date is prior to the date on which a stock certificate for such shares is
issued.

          4.05 EXERCISE IN  INSTALLMENTS.  Subject to Section 3.03, the Optionee
may  exercise the Option in  installments,  but only in units of whole shares of
the Common Stock of the Company.

          4.06 ISSUANCE OF CERTIFICATES. As soon as practicable after the Option
has been exercised in accordance  with the provisions of this Option  Agreement,
the  Company  shall,  without  transfer  or  issue  tax or other  charge  to the
Optionee,  deliver  to the  Optionee  at the  principal  business  office of the
Company, or at such other place as may be agreed,  certificates representing the
number of shares of Common Stock as to which the Option has been exercised.  The
Company may,  however,  postpone the time of delivery of  certificates  for such
period  of  time  as the  Company  may  determine  to be  necessary  for it with
reasonable diligence to comply with any applicable listing


                                       4

<PAGE>
requirements of any national or regional  securities  exchange,  of the National
Association  of  Securities  Dealers,  Inc.,  or  with  any  law  or  regulation
applicable to the issuance or delivery of shares of the Company's Common Stock.

                                   ARTICLE V

                    RESTRICTIONS AND ADDITIONAL PROVISIONS


          5.01  ADJUSTMENTS  UPON  CHANGES IN  CAPITALIZATION.  If the number of
outstanding shares of the Common Stock of the Company is increased or decreased,
or if the Common Stock of the Company  underlying the Option granted pursuant to
the  provisions  of this Option  Agreement is changed  into or  exchanged  for a
different  number or kind of  shares  or  securities  of the  Company  through a
reorganization,  merger,  recapitalization,  reclassification,  stock  dividend,
stock split or reverse stock split, an appropriate and proportionate  adjustment
shall be made by the  Committee  in the  terms  and  conditions  of the  Options
granted pursuant hereto,  including the Exercise Price of the Option;  provided,
however,  that no such  adjustment  need be made if,  upon the  advice  of legal
counsel to the Company,  the Committee determines that any such adjustment could
result in the  recognition  of federal  taxable  income by the  Optionee,  or by
holders of Common Stock or other securities of the Company.

          5.02  RESERVATION OF SHARES OF COMMON STOCK. The Company shall, at all
times  during the  periods  of time  during  which the  Option may be  exercised
hereunder,  reserve and keep  available for issuance to the Optionee a number of
shares of its Common Stock  sufficient to satisfy all obligations of the Company
hereunder.

          5.03  RESTRICTIONS  ON ISSUANCE OF SHARES.  The Company  shall use its
best  efforts to seek and to obtain from  appropriate  regulatory  agencies  any
requisite  authorization in order to issue and sell such number of shares of its
Common Stock as shall be  sufficient to satisfy the  obligations  of the Company
under this  Agreement.  The  inability  of the  Company to obtain  authorization
deemed to be necessary by the Company's legal counsel to the lawful issuance and
sale of any shares of the  Company's  Common Stock shall  relieve the Company of
any liability for the nonissuance or nonsale of any Common Stock as to which the
requisite approval or authorization shall not have been obtained.

          5.04 REPRESENTATIONS AND WARRANTIES. As a condition to the exercise of
the Option granted  hereunder,  the Committee may require the person  exercising
the Option to make any  representations  or warranties to the Company that legal
counsel to the Company may  determine  to be  required  or  advisable  under any
applicable law or regulation,  including without limitation a representation and
warranty that the shares of the Company's  Common Stock being acquired are being
acquired only for investment  and without any present  intention or view to sell
or distribute any such shares.

          5.05 OPTIONEE  RIGHTS.  No provision of this Agreement shall be deemed
to constitute a condition of the service or status of any Director. No provision
of this Option Agreement shall be deemed to give to the Optionee any right to be
retained in the service of the Company or of any  Subsidiary  Corporation in any
capacity  (whether  as  an  employee,   Director,   independent   contractor  or
otherwise),  or to  interfere  in any way with the right of the  Company and its
Subsidiary  Corporations  at any time to remove any Director,  or to discontinue
using the  services  of any  individual.  The  Optionee  shall  have no right or
interest  in any share of the  Company's  Common  Stock prior to exercise of the
Option, except as provided in this Option Agreement.

          5.06 LEGENDS ON STOCK CERTIFICATES. Unless an appropriate registration
statement is on file and effective  with  appropriate  federal,  state and local
governmental  authorities,  each  certificate  representing  Common Stock of the
Company  issued  pursuant to the exercise of the Option shall be endorsed on its
face with a legend similar to the following:

          Neither the Option  pursuant to which the shares  represented  by this
          certificate  are issued nor the shares  represented  hereby  have been
          registered  with the  Securities  and  Exchange  Commission  under the
          Securities  Act of 1933,  as  amended,  or with any  state  securities
          agency.  The transfer or sale of the shares represented hereby without
          appropriate   registration,   or   pursuant  to  an   exemption   from
          registration, is unlawful.


                                       5

<PAGE>
It is  understood  however  that upon  stockholder  approval  of this  Option as
contemplated  in Section  6.08  hereof,  the  Company  will file a  registration
statement  with the Securities and Exchange  Commission  registering  the common
stock issuable pursuant to this Option on Form S-8.

                                  ARTICLE VI

                           MISCELLANEOUS PROVISIONS


          6.01 NOTICES

          (a) All notices,  demands or requests  provided for or permitted to be
given  pursuant  hereto must be in writing.  All  notices,  demands and requests
shall be deemed to have been  properly  given or served  when  deposited  in the
United  States  mail,  addressed to the  individual  or entity to whom notice is
given,   postage  prepaid  and  registered  or  certified  with  return  receipt
requested, at the last known address of such individual or entity.

          (b) By giving at least  fifteen (15) days prior  written  notice,  the
Company,  a Subsidiary  Corporation  and the Optionee  shall have the right from
time to time to change their  addresses and to specify any other address  within
the United States of America.

          6.02 TITLES AND CAPTIONS.  All Article and Section titles and captions
in this Option Agreement are for convenience or reference only, and shall not be
deemed part of this Option  Agreement,  and in no way define,  limit,  extend or
describe the scope or intent of any provisions hereof.

          6.03  PRONOUNS  AND PLURALS.  Whenever  the context may  require,  any
pronoun  used herein  shall  include the  corresponding  masculine,  feminine or
neuter forms,  and the singular form of nouns,  pronouns and verbs shall include
the plural and vice versa.

          6.04  APPLICABLE  LAW.  This Option  Agreement  shall be  construed in
accordance with and shall be governed by the laws of the State of Nevada.

          6.05 BINDING EFFECT.  This Option  Agreement shall be binding upon the
Optionee and upon the Optionee's heirs, executors,  administrators,  successors,
legal representatives and assigns.

          6.06 CREDITORS.  None of the provisions of this Option Agreement shall
be for the benefit of or shall be enforceable by any creditor of the Optionee.

          6.07 SEVERABILITY.  In the event that any condition, covenant or other
provision  herein  contained  is held to be  invalid  or  void by any  court  of
competent jurisdiction, the same shall be deemed severable from the remainder of
this Option Agreement and shall in no way affect any other covenant or condition
herein contained. If such condition, covenant or other provision shall be deemed
invalid due to its scope or breadth, such provision shall be deemed valid to the
extent of the scope or breadth permitted by law.

          6.08  STOCKHOLDER  APPROVAL.  This  Option  Agreement  is  subject  to
approval and  ratification  by the  stockholders  of the Company,  together with
similar  Option  Agreements  granted  to  non-management  Directors  on the date
hereof.


                                       6

<PAGE>
          IN WITNESS  WHEREOF,  the Company and the Optionee  have executed this
Option Agreement as of the date first set forth above.


                                   "Company"

                                        AMERICAN PACIFIC CORPORATION,
                                        a Delaware corporation


                                        By
                                          ------------------------------------
                                              Fred D. Gibson, Jr.
                                              President

Attest:


- -------------------------------
C. Keith Rooker
Secretary


                                  "Optionee"



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

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

                                        Address:
                                                 -----------------------------

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




                                       7

                                                     May 22, 1998







Securities and Exchange Commission
450 Fifth Street, N.W.
Judiciary Plaza
Washington, D.C.  20549

                  Re:      American Pacific Corporation -
                           Registration Statement On Form S-8
                           ----------------------------------

Ladies and Gentlemen:

                  Reference  is made to the  Registration  Statement on Form S-8
(the "Registration Statement"), filed on the date hereof with the Securities and
Exchange Commission by American Pacific Corporation, a Delaware corporation (the
"Company"). The Registration Statement relates to an aggregate of 600,000 shares
(the "Shares") of common stock,  par value $.10 per share (the "Common  Stock"),
of the Company to be issued and sold by the Company in accordance  with its 1997
Stock Option Plan (the "Plan") and certain option agreements between the Company
and executive officers and directors parties thereto (the "Option Agreements").

                  We  advise  you  that we have  examined  originals  or  copies
certified or otherwise  identified to our  satisfaction  of the  Certificate  of
Incorporation  and By-laws of the Company,  each as amended to date,  minutes of
meetings of the Board of Directors and  stockholders  of the Company,  the Plan,
the Option Agreements and such other documents,  instruments and certificates of
officers and  representatives  of the Company and public officials,  and we have
made such examination of law, as we have deemed appropriate as the basis for the
opinion hereinafter expressed.  In making such examination,  we have assumed the
genuineness of all signatures, the authenticity of all documents submitted to us
as originals, and the conformity to original documents of documents submitted to
us as certified or photostatic copies.



<PAGE>


Securities and Exchange Commission
May 22, 1998
Page -2-



                  Based  upon  the  foregoing,  we are of the  opinion  that the
Shares, when issued and paid for in accordance with the terms and conditions set
forth in the Plan and the Option  Agreements,  will be duly and validly  issued,
fully paid and non-assessable.

                  We hereby  consent to the filing of this opinion as an exhibit
to the Registration Statement.

                  We  advise  you that  Victor M.  Rosenzweig,  a member of this
firm,  is a Director of the Company and holds shares of Common Stock and options
to purchase Common Stock of the Company.


                                       Very truly yours,



                                    /S/ OLSHAN GRUNDMAN FROME & ROSENZWEIG LLP
                                    ------------------------------------------
                                        OLSHAN GRUNDMAN FROME & ROSENZWEIG LLP













INDEPENDENT AUDITORS' CONSENT


We consent to the incorporation by reference in this  Registration  Statement of
American Pacific  Corporation on Form S-8 of our report dated November 14, 1997,
appearing in the Annual Report on Form 10-K of American Pacific  Corporation for
the year ended September 30, 1997.


/s/ Deloitte & Touche LLP

DELOITTE & TOUCHE LLP

Las Vegas, Nevada
May 20, 1998



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