PENNZOIL CO /DE/
8-K, 1998-04-20
PETROLEUM REFINING
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<PAGE>

                         SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C.  20549

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

                                      FORM 8-K

                                   CURRENT REPORT


                         Pursuant to Section 13 or 15(d) of
                        the Securities Exchange Act of 1934


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

          Date of Report (Date of earliest event reported): April 14, 1998


                                  PENNZOIL COMPANY
               (Exact name of registrant as specified in its charter)


                                      Delaware
                   (State or other jurisdiction of incorporation)



                1-5591                                 74-1597290
      (Commission File Number)             (IRS Employee Identification No.)

     P. O. Box 2967, Houston, Texas                    77252-2967
(Address of principal executive offices)               (Zip Code)






         (Registrant's telephone number, including area code): (713) 546-4000


<PAGE>

ITEM 5.   OTHER EVENTS.

     On April 14, 1998, Pennzoil Company ("Pennzoil"), Pennzoil's subsidiary
Pennzoil Products Company ("PPC") and Downstream Merger Company, a wholly owned
subsidiary of PPC ("Merger Sub"), entered into an Agreement and Plan of Merger
(the "Merger Agreement") with Quaker State Corporation ("Quaker State").  The
Merger Agreement and related agreements provide for the separation of Pennzoil's
motor oil, refined products and franchise operations from its exploration and
production operations and for the combination of the motor oil, refined products
and franchise operations with Quaker State.

     The transactions contemplated by the Merger Agreement are (1) a pro rata
distribution, on a share for share basis,  of all of the issued and outstanding
Common Stock of PPC to the holders of Common Stock of Pennzoil to be followed by
(2) a merger of Merger Sub with and into Quaker State, in which holders of
Capital Stock of Quaker State will receive, in exchange for each share held,
0.8204 shares of Common Stock of PPC.  Immediately following the transactions
contemplated by the Merger Agreement, approximately 38.5% of PPC will be owned
by former Quaker State stockholders and approximately 61.5% of PPC will be owned
by stockholders of Pennzoil.  The name of PPC will be changed prior to or in
connection with the merger to a new name to be determined.

     Closing under the Merger Agreement is conditioned on, among other things,
approval by Quaker State's stockholders, expiration or termination of waiting
periods under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, and
receipt of a tax ruling from the Internal Revenue Service.

     A copy of the Merger Agreement is filed as Exhibit 2.1 hereto and is 
incorporated herein by reference.  A copy of the Press Release dated April 
15, 1998 relating to the transactions contemplated by the Merger Agreement is 
filed as Exhibit 99.1 hereto and is incorporated herein by reference.

                                          1

<PAGE>

ITEM 7.   FINANCIAL STATEMENT AND EXHIBITS.

     (c)  Exhibits

   2.1   Agreement and Plan of Merger dated as of April 14, 1998 among Pennzoil
         Company, Pennzoil Products Company, Downstream Merger Company and
         Quaker State Corporation

  99.1   Press release dated April 15, 1998 issued by Pennzoil Company and
         Quaker State Corporation.


                                          2

<PAGE>

                                      SIGNATURE


          Pursuant to the requirements of Section 12 of the Securities Exchange
Act of 1934, the registrant has duly caused this registration statement to be
signed on its behalf by the undersigned, thereto duly authorized.

                                             PENNZOIL COMPANY


Date: April 20, 1998                         By: /s/ DAVID P. ALDERSON, II
                                                 ---------------------------
                                                  David P. Alderson, II
                                                  Group Vice President-
                                                  Finance & Accounting


                                          3


<PAGE>











                             AGREEMENT AND PLAN OF MERGER

                             DATED AS OF APRIL 14, 1998,

                                        AMONG

                                   PENNZOIL COMPANY

                              PENNZOIL PRODUCTS COMPANY

                              DOWNSTREAM MERGER COMPANY

                                         AND

                               QUAKER STATE CORPORATION

<PAGE>

                                  TABLE OF CONTENTS

ARTICLE 1  DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE 2  THE MERGER. . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
     2.1   Distribution  and Merger. . . . . . . . . . . . . . . . . . . . . .10
     2.2   Effect on Capital Stock . . . . . . . . . . . . . . . . . . . . . .11
     2.3   Cancellation of Stock . . . . . . . . . . . . . . . . . . . . . . .11
     2.4   Stockholders Meeting. . . . . . . . . . . . . . . . . . . . . . . .11
     2.5   Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
     2.6   Effective Time. . . . . . . . . . . . . . . . . . . . . . . . . . .12
     2.7   Closing of Transfer Books . . . . . . . . . . . . . . . . . . . . .12
     2.8   Exchange of Certificates. . . . . . . . . . . . . . . . . . . . . .12
     2.9   Quaker State Employee Stock Options, Restricted Stock
           and Performance Shares. . . . . . . . . . . . . . . . . . . . . . .15

ARTICLE 3  REPRESENTATIONS AND WARRANTIES OF PENNZOIL. . . . . . . . . . . . .16
     3.1   Organization, Qualification, Etc. . . . . . . . . . . . . . . . . .16
     3.2   Corporate Authority; No Violation, Etc. . . . . . . . . . . . . . .16
     3.3   Information Supplied. . . . . . . . . . . . . . . . . . . . . . . .17
     3.4   Brokers or Finders. . . . . . . . . . . . . . . . . . . . . . . . .17

ARTICLE 4  REPRESENTATIONS AND WARRANTIES OF PENNZOIL AND PPC. . . . . . . . .18
     4.1   Organization, Qualification, Etc. . . . . . . . . . . . . . . . . .18
     4.2   Capital Stock and Other Matters . . . . . . . . . . . . . . . . . .18
     4.3   Corporate Authority; No Violation . . . . . . . . . . . . . . . . .19
     4.4   Affiliate Transactions. . . . . . . . . . . . . . . . . . . . . . .20
     4.5   PPC Financial Statements. . . . . . . . . . . . . . . . . . . . . .21
     4.6   Absence of Certain Changes or Events. . . . . . . . . . . . . . . .21
     4.7   Investigations; Litigation. . . . . . . . . . . . . . . . . . . . .22
     4.8   Licenses; Compliance with Laws. . . . . . . . . . . . . . . . . . .22
     4.9   Proxy Statement/Prospectus; Registration Statement. . . . . . . . .22
     4.10  Information Supplied. . . . . . . . . . . . . . . . . . . . . . . .23
     4.11  Environmental Matters . . . . . . . . . . . . . . . . . . . . . . .23
     4.12  Tax Matters . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
     4.13  Benefit Plans . . . . . . . . . . . . . . . . . . . . . . . . . . .25
     4.14  Labor Matters . . . . . . . . . . . . . . . . . . . . . . . . . . .26
     4.15  Intellectual Property Matters . . . . . . . . . . . . . . . . . . .27
     4.16  Material Contract Defaults. . . . . . . . . . . . . . . . . . . . .27
     4.17  Brokers or Finders. . . . . . . . . . . . . . . . . . . . . . . . .27
     4.18  Certain Board Findings. . . . . . . . . . . . . . . . . . . . . . .27
     4.19  Vote Required . . . . . . . . . . . . . . . . . . . . . . . . . . .28
     4.20  Stockholder Approval. . . . . . . . . . . . . . . . . . . . . . . .28
     4.21  Certain Payments. . . . . . . . . . . . . . . . . . . . . . . . . .28


                                         -i-
<PAGE>

     4.22  Joint Ventures. . . . . . . . . . . . . . . . . . . . . . . . . . .28
     4.23  Reincorporation . . . . . . . . . . . . . . . . . . . . . . . . . .29
     4.24  Assets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
     4.25  Franchising Matters . . . . . . . . . . . . . . . . . . . . . . . .29
     4.26  Loans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

ARTICLE 5  REPRESENTATIONS AND WARRANTIES OF QUAKER STATE. . . . . . . . . . .30
     5.1   Organization, Qualification, Etc. . . . . . . . . . . . . . . . . .30
     5.2   Capital Stock and Other Matters . . . . . . . . . . . . . . . . . .30
     5.3   Corporate Authority; No Violation . . . . . . . . . . . . . . . . .31
     5.4   Quaker State Reports and Financial Statements . . . . . . . . . . .32
     5.5   Absence of Certain Changes or Events. . . . . . . . . . . . . . . .33
     5.6   Investigations; Litigation. . . . . . . . . . . . . . . . . . . . .33
     5.7   Licenses; Compliance with Laws. . . . . . . . . . . . . . . . . . .34
     5.8   Proxy Statement/Prospectus; Registration Statement. . . . . . . . .34
     5.9   Information Supplied. . . . . . . . . . . . . . . . . . . . . . . .34
     5.10  Environmental Matters . . . . . . . . . . . . . . . . . . . . . . .34
     5.11  Tax Matters . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
     5.12  Benefit Plans . . . . . . . . . . . . . . . . . . . . . . . . . . .36
     5.13  Labor Matters . . . . . . . . . . . . . . . . . . . . . . . . . . .38
     5.14  Intellectual Property Matters . . . . . . . . . . . . . . . . . . .38
     5.15  Material Contract Defaults. . . . . . . . . . . . . . . . . . . . .39
     5.16  Certain Payments. . . . . . . . . . . . . . . . . . . . . . . . . .39
     5.17  Opinion of Quaker State Financial Advisor.. . . . . . . . . . . . .39
     5.18  Brokers or Finders. . . . . . . . . . . . . . . . . . . . . . . . .40
     5.19  Quaker State Rights Agreement . . . . . . . . . . . . . . . . . . .40
     5.20  Takeover Statutes.. . . . . . . . . . . . . . . . . . . . . . . . .40
     5.21  Certain Board Findings. . . . . . . . . . . . . . . . . . . . . . .40
     5.22  Vote Required . . . . . . . . . . . . . . . . . . . . . . . . . . .40

ARTICLE 6  COVENANTS AND AGREEMENTS. . . . . . . . . . . . . . . . . . . . . .41
     6.1   Conduct of Business by Quaker State Pending the Merger. . . . . . .41
     6.2   Conduct of Business by PPC and Pennzoil Pending the Merger. . . . .45
     6.3   Cooperation . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
     6.4   Proxy Statement/Prospectus. . . . . . . . . . . . . . . . . . . . .52
     6.5   Letter of PPC's Accountants . . . . . . . . . . . . . . . . . . . .52
     6.6   Letter of Quaker State's Accountants. . . . . . . . . . . . . . . .52
     6.7   PPC Employee Stock Options, Incentive and Benefit Plans . . . . . .53
     6.8   Employee Benefit Plans. . . . . . . . . . . . . . . . . . . . . . .54
     6.9   Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . .54
     6.10  Reasonable Efforts; Further Assurances, Etc . . . . . . . . . . . .54
     6.11  No Solicitation . . . . . . . . . . . . . . . . . . . . . . . . . .55
     6.12  Director and Officer Indemnification; Insurance . . . . . . . . . .57
     6.13  Rule 145 Affiliates . . . . . . . . . . . . . . . . . . . . . . . .57


                                         -ii-
<PAGE>

     6.14  Public Announcements. . . . . . . . . . . . . . . . . . . . . . . .58
     6.15  Defense of Litigation . . . . . . . . . . . . . . . . . . . . . . .58
     6.16  Notification. . . . . . . . . . . . . . . . . . . . . . . . . . . .58
     6.17  Debt Instruments. . . . . . . . . . . . . . . . . . . . . . . . . .59
     6.18  Quaker State Rights Plan. . . . . . . . . . . . . . . . . . . . . .59

ARTICLE 7  CONDITIONS TO THE MERGER. . . . . . . . . . . . . . . . . . . . . .59
     7.1   Conditions to the Obligations of PPC, Pennzoil and
           Quaker State to Effect the Merger . . . . . . . . . . . . . . . . .59
     7.2   Additional Conditions to the Obligations of PPC . . . . . . . . . .61
     7.3   Additional Conditions to the Obligations of Quaker State. . . . . .62

ARTICLE 8  TERMINATION, AMENDMENT AND WAIVERS. . . . . . . . . . . . . . . . .63
     8.1   Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
     8.2   Effect of Termination . . . . . . . . . . . . . . . . . . . . . . .64
     8.3   Termination Fee . . . . . . . . . . . . . . . . . . . . . . . . . .65
     8.4   Amendment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
     8.5   Waivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

ARTICLE 9  MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . .66
     9.1   Survival of Representations, Warranties and Agreements;
           Indemnification . . . . . . . . . . . . . . . . . . . . . . . . . .66
     9.2   Expenses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
     9.3   Notices.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
     9.4   Certain Construction Rules. . . . . . . . . . . . . . . . . . . . .68
     9.5   Severability. . . . . . . . . . . . . . . . . . . . . . . . . . . .69
     9.6   Assignment; Binding Effect. . . . . . . . . . . . . . . . . . . . .69
     9.7   No Third Party Beneficiaries. . . . . . . . . . . . . . . . . . . .69
     9.8   Limited Liability . . . . . . . . . . . . . . . . . . . . . . . . .69
     9.9   Entire Agreement. . . . . . . . . . . . . . . . . . . . . . . . . .69
     9.10  Governing Law . . . . . . . . . . . . . . . . . . . . . . . . . . .69
     9.11  Counterparts. . . . . . . . . . . . . . . . . . . . . . . . . . . .70
     9.12  Retention Pay Program . . . . . . . . . . . . . . . . . . . . . . .70

EXHIBITS:
- --------
     Exhibit     A    Form of Distribution Agreement
     Exhibit     B    Certificate of Incorporation of PPC
     Exhibit     C    Bylaws of PPC
     Exhibit     D    Initial Officers of PPC after the Effective Time
     Exhibit     E    PPC 1998 Incentive Plan
     Exhibit     F    Form of Rule 145 Affiliate Agreements
     Exhibit     G    Retention Pay Program


                                        -iii-
<PAGE>

                             AGREEMENT AND PLAN OF MERGER


          THIS AGREEMENT AND PLAN OF MERGER, dated as of April 14, 1998, is
among Pennzoil Company, a Delaware corporation ("Pennzoil"), Pennzoil Products
Company, a Delaware corporation ("PPC"), Downstream Merger Company, a Delaware
corporation and a wholly owned subsidiary of PPC ("Merger Sub"), and Quaker
State Corporation, a Delaware corporation ("Quaker State").

          A.   BUSINESS SEPARATION.  PPC has heretofore distributed to Pennzoil
certain oil and gas assets that have historically been operated by Pennzoil. 
Prior to the Distribution Date (as such term and other capitalized terms are
defined in Article I hereof), Pennzoil intends to cause the transfer to PPC or a
wholly owned subsidiary of PPC the capital stock of certain Pennzoil
subsidiaries that are engaged in phases of the PPC Business heretofore carried
on by PPC (the "Contribution"); and Pennzoil and PPC shall take the further
steps set forth in Section 2.02 of the Distribution Agreement to separate more
completely the PPC Business from the Pennzoil Business.

          B.   THE DISTRIBUTION.  On the Distribution Date, Pennzoil intends to
distribute all of the issued and outstanding shares of PPC Common Stock on a pro
rata basis (the "Distribution") to the holders as of the Record Date of the
outstanding common stock of Pennzoil, par value $0.83 1/3 per share ("Pennzoil
Common Stock").

          C.   THE MERGER.  At the Effective Time, the parties intend to effect
a merger of Merger Sub with and into Quaker State, with Quaker State being the
surviving corporation (the "Merger"), and Quaker State becoming a wholly owned
subsidiary of PPC.

          D.   INTENDED TAX CONSEQUENCES.  The parties to this Agreement intend
that the Contribution and the Distribution qualify under Sections 355 and 368 of
the Code, that the Merger qualify under Section 368 of the Code, and that no
gain or loss for federal income tax purposes be recognized as a result of the
transactions described herein or in the Transaction Agreements.

          NOW, THEREFORE, in consideration of the representations, warranties,
covenants and agreements set forth in this Agreement, and for other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties, intending to be legally bound hereby, agree as
follows:

                                      ARTICLE 1

                                     DEFINITIONS

          "Affiliate" shall mean, with respect to any specified Person, any
other Person that, directly or indirectly, controls, is controlled by or is
under common control with, such specified Person.  For purposes of this
definition, "control" (including, with correlative meanings, the terms


                                         -1-
<PAGE>

"controlled by" and "under common control with"), as used with respect to any
Person, shall mean the possession, directly or indirectly, of the power to
direct or cause the direction of the management or policies of such Person,
whether through the ownership of voting securities, by contract or otherwise;
PROVIDED, HOWEVER, that for purposes of this Agreement, no member of either
Group shall be deemed an Affiliate of any member of the other Group.

          "Agreement" shall mean this Agreement and Plan of Merger, together
with all exhibits and schedules attached hereto.

          "Alternative Award" shall have the meaning specified in Section 2.9.

          "Approved for Listing" shall mean, with respect to shares of PPC
Common Stock, that such shares have been approved for listing on the NYSE,
subject to official notice of issuance.

          "Award" shall have the meaning specified in Section 2.9.

          "Canceled Award" shall have the meaning specified in Section 2.9.

          "Certificate of Merger" shall have the meaning specified in
Section 2.6.

          "Certificates" shall have the meaning specified in Section 2.3.

          "Closing" shall have the meaning specified in Section 2.5.

          "Code" shall mean the Internal Revenue Code of 1986, as amended.

          "Confidentiality Agreement" shall mean the Confidentiality Agreement,
dated as of December 30, 1997, between Pennzoil and Quaker State.

          "Contract" shall mean any loan or credit agreement, note, bond,
indenture, mortgage, deed of trust, lease, franchise, permit, authorization,
license, contract, instrument, employee benefit plan or practice or other
binding agreement, obligation or commitment.

          "Controlling Person" shall have the meaning specified in Section
9.1(b).

          "DGCL" shall mean the General Corporation Law of the State of
Delaware.

          "Disclosure Schedules" shall mean, collectively, the Pennzoil
Disclosure Schedule, the PPC Disclosure Schedule and the Quaker State Disclosure
Schedule.

          "Distribution" shall have the meaning set forth in the Recitals
hereto.


                                         -2-
<PAGE>

          "Distribution Agreement" shall mean the Distribution Agreement in the
form attached hereto as EXHIBIT A, between Pennzoil and PPC, pursuant to which
certain transfers will be made between Pennzoil and certain of its Affiliates
and PPC and certain of its Affiliates and shares of PPC Common Stock will be
distributed to the stockholders of Pennzoil, with such additions, deletions and
other modifications thereto that are agreed in writing by Pennzoil and PPC, with
a Quaker State Consent.

          "Distribution Date" shall mean the date and time that the Distribution
shall become effective.

          "Effective Time" shall have the meaning specified in Section 2.6.

          "Employee Benefits Agreement" shall mean the Employee Benefits
Agreement between Pennzoil and PPC, in the form attached to the Distribution
Agreement, with such additions, deletions and other modifications thereto that
are mutually agreed upon in writing by Pennzoil and PPC, with a Quaker State
Consent.

          "Environmental Law" shall mean any and all foreign, federal, state or
local statute, rule, regulation or ordinance, as well as any order, decree,
determination, judgment or injunction issued, promulgated, approved or entered
thereunder by any Governmental Authority, including requirements of common law,
relating to pollution or the protection, cleanup or restoration of the
environment, or to human health, including the Federal Clean Air Act, the
Federal Clean Water Act, the Federal Resource Conservation and Recovery Act, the
Federal Comprehensive Environmental Response, Compensation, and Liability Act
and the Federal Toxic Substances Control Act.

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

          "ERISA Affiliate" shall mean, with respect to any Person, any other
Person or any trade or business, whether or not incorporated, that, together
with such first Person would be deemed a "single employer" within the meaning of
section 4001(b) of ERISA.

          "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended, together with the rules and regulations of the SEC promulgated
thereunder.

          "Exchange Agent" shall have the meaning specified in Section 2.8(a).

          "Exchange Fund" shall have the meaning specified in Section 2.8(a).

          "GAAP" shall mean United States generally accepted accounting
principles as set forth in the opinions and pronouncements of the Accounting
Principles Board of the American Institute of Certified Public Accountants and
statements and pronouncements of the Financial Accounting Standards Board.


                                         -3-
<PAGE>

          "Governmental Authority" shall mean any foreign, federal, state or
local court, administrative agency, board, bureau or commission or other
governmental department, authority or instrumentality.

          "Hazardous Material" shall mean any hazardous or toxic substance or
material regulated under Environmental Laws, and includes without limitation
petroleum and any derivative thereof. 

          "HSR Act" shall mean the Hart-Scott-Rodino Antitrust Improvements Act
of 1976, as amended.

          "HSR Agencies" shall mean the Federal Trade Commission and the
Antitrust Division of the Department of Justice.

          "IRS" shall mean the U.S. Internal Revenue Service.

          "JLI" shall mean Jiffy Lube International, Inc., a Nevada corporation.

          "Licenses" shall mean any license, ordinance, authorization, permit,
certificate, variance, exemption, order, franchise or approval from any
Governmental Authority, domestic or foreign.

          "Losses" shall have the meaning set forth in Section 9.1(b).

          "Material Adverse Effect," with respect to any Person, shall mean a
material adverse effect on the business, assets, liabilities, results of
operations or condition (financial or otherwise) of such Person and its
Subsidiaries, taken as a whole, or on the ability of such Person to perform its
obligations hereunder or under the other Transaction Agreements.

          "Merger" shall have the meaning specified in Section 2.1(c).

          "Merger Sub" shall have the meaning specified in the preamble hereto.

          "NYSE" shall mean the New York Stock Exchange, Inc.

          "Option" shall have the meaning specified in Section 2.9.

          "Order" shall have the meaning specified in Section 6.10(a).

          "PBGC" shall mean the Pension Benefit Guaranty Corporation.

          "Pennzoil" shall have the meaning specified in the preamble hereof.


                                         -4-
<PAGE>

          "Pennzoil Common Stock" shall have the meaning set forth in the
Recitals hereto.

          "Pennzoil Disclosure Schedule" shall mean the schedule prepared and
delivered by Pennzoil to Quaker State as of the date of this Agreement, setting
forth, among other things, certain information that, to the extent provided
herein, qualifies certain representations, warranties and agreements of Pennzoil
made in this Agreement.

          "Pennzoil/PPC Agreements" shall have the meaning specified in
Section 4.4.

          "Pennzoil Group" shall mean Pennzoil and the Pennzoil Subsidiaries
immediately after the Distribution Date.

          "Pennzoil Subsidiaries" shall mean all direct and indirect
Subsidiaries of Pennzoil immediately after the Distribution Date.

          "Person" shall mean a natural person, corporation, company,
partnership, limited partnership or other entity, including a Governmental
Authority.

          "PPC" shall have the meaning specified in the preamble hereof.

          "PPC 1998 Incentive Plan" shall mean the PPC 1998 Incentive Plan in
the form attached as EXHIBIT E hereto, with such additions, deletions and other
modifications that are mutually agreed upon by Pennzoil and PPC, with a Quaker
State Consent.

          "PPC Acquisition" shall mean, in each case other than in connection
with the Merger or as otherwise specifically contemplated by this Agreement or
the Transaction Agreements, (i) any merger, consolidation, share exchange,
business combination, recapitalization  or other similar transaction or series
of related transactions involving PPC or any Significant Subsidiary of PPC other
than any merger of PPC with or into Quaker State or any wholly owned Subsidiary
of Quaker State or the merger of Quaker State with or into PPC or any wholly
owned subsidiary of PPC; (ii) any sale, lease, exchange, transfer or other
disposition of the PPC Assets or any of its Subsidiaries constituting 5% or more
of the consolidated PPC Assets or accounting for 5% or more of the consolidated
revenues of PPC in any one transaction or in a series of related transactions;
(iii) any tender offer, exchange offer or any similar transaction or series of
related transactions made by any Person involving PPC Common Stock or the
capital stock of any Subsidiary of PPC; (iv) the acquisition by any Person
(other than Quaker State or any of its Affiliates) of beneficial ownership (as
determined pursuant to Rule 13d-3 of the Exchange Act) or the formation of any
group (as defined in Section 13(d) of the Exchange Act) to acquire beneficial
ownership (as determined pursuant to Rule 13d-3 of the Exchange Act) of more
than five percent of PPC Common Stock or any stock of any Subsidiaries of PPC
(other than any such beneficial ownership thereof arising solely from beneficial
ownership of Pennzoil Common Stock); or (v) any other substantially similar
transaction or series of related transactions that would hinder the consummation
of the transactions


                                         -5-
<PAGE>

contemplated by, or otherwise defeat the purposes of, this Agreement or the
other Transaction Agreements.

          "PPC Acquisition Proposal" shall mean any proposal (other than in
connection with the Merger or as otherwise specifically contemplated by this
Agreement or the other Transaction Agreements) regarding a PPC Acquisition.

          "PPC Assets" shall mean the assets used in, held for use in connection
with or necessary for the conduct of, or otherwise material to the business or
operations of, the PPC Business, including, without limitation, those assets
being transferred to PPC pursuant to the Distribution Agreement.

          "PPC Benefit Plans" shall have the meaning specified in Section
4.13(a).

          "PPC Business" shall mean the businesses and operations conducted by
PPC, the PPC Subsidiaries and Affiliates of PPC and JLI and its Affiliates prior
to the Distribution Date.

          "PPC Common Stock" shall mean the Common Stock, par value $.10 per
share, of PPC.

          "PPC Disclosure Schedule" shall mean the schedule prepared and
delivered by PPC to Quaker State as of the date of this Agreement, setting
forth, among other things, certain information that, to the extent provided
herein, qualifies certain representations, warranties and agreements of PPC made
in this Agreement.

          "PPC Employee" shall have the meaning specified in Section 4.13(a).

          "PPC Financial Statements" shall have the meaning specified in Section
3.5.

          "PPC Group" shall mean PPC and the PPC Subsidiaries.

          "PPC Preferred Stock" shall mean the Preferred Stock, par value $1.00
per share, of PPC.

          "PPC Subsidiaries" shall mean all direct and indirect Subsidiaries of
PPC immediately after the Distribution Date.

          "PPC Voting Debt" shall have the meaning specified in Section 4.2.

          "Pro Forma Financial Statements" shall have the meaning specified in
Section 4.5.

          "Proxy Statement/Prospectus" shall mean the proxy statement/prospectus
to be distributed to the stockholders of Quaker State in connection with the
Merger and the transactions


                                         -6-
<PAGE>

contemplated by this Agreement, including any preliminary proxy
statement/prospectus or definitive proxy statement/prospectus filed with the SEC
in accordance with the terms and provisions hereof.  The Proxy
Statement/Prospectus shall constitute a part of the Registration Statement on
Form S-4.

          "Quaker State" shall have the meaning specified in the preamble
hereof.

          "Quaker State Acquisition" shall mean, in each case other than in
connection with the Merger or as otherwise specifically contemplated by this
Agreement (i) any merger, consolidation, share exchange, business combination,
recapitalization or other similar transaction or series of related transactions
involving Quaker State or any Significant Subsidiary of Quaker State other than
any merger of Quaker State with or into PPC or any wholly owned Subsidiary of
PPC or the merger of PPC with or into Quaker State or a wholly owned Subsidiary
of Quaker State;(ii) any sale, lease, exchange, transfer or other disposition of
the assets of Quaker State or any of its Subsidiaries constituting 5% or more of
the consolidated assets of Quaker State or accounting for 5% or more of the
consolidated revenues of Quaker State in any one transaction or in a series of
related transactions; (iii) any tender offer, exchange offer or any similar
transaction or series of related transactions made by any Person involving
Quaker State Capital Stock or the capital stock of any Subsidiary of Quaker
State;(iv) the acquisition by any Person (other than PPC or any of its
Affiliates) of beneficial ownership (as determined pursuant to Rule 13d-3 of the
Exchange Act) or the formation of any group (as defined in Section 13(d) of the
Exchange Act) to acquire beneficial ownership (as determined pursuant to Rule
13d-3 of the Exchange Act) of more than five percent of Quaker State Capital
Stock or any stock of any Subsidiaries of Quaker State; or (v) any other
substantially similar transaction or series of related transactions that would
hinder the consummation of the transactions contemplated by, or otherwise defeat
the purposes of, this Agreement or the other Transaction Agreements.

          "Quaker State Acquisition Proposal" shall mean any proposal (other
than in connection with the Merger or as specifically contemplated by this
Agreement) regarding a Quaker State Acquisition.

          "Quaker State Benefit Plans" shall have the meaning set forth in
Section 5.12(a).

          "Quaker State Capital Stock" shall mean the capital stock, par value
$1.00 per share, of Quaker State.

          "Quaker State Consent" shall mean the consent of Quaker State, which
consent shall not be unreasonably delayed or withheld.

          "Quaker State Disclosure Schedule" shall mean the schedule prepared
and delivered by Quaker State to PPC as of the date of this Agreement, setting
forth, among other things, certain information that, to the extent provided
herein, qualifies certain representations, warranties and agreements of Quaker
State made in this Agreement.


                                         -7-
<PAGE>

          "Quaker State Employees" shall have the meaning set forth in
Section 5.12(a).

          "Quaker State Rights" shall have the meaning specified in
Section 5.19.

          "Quaker State Rights Agreement" shall mean the Rights Agreement, dated
as of September 28, 1995, between Quaker State and Mellon Securities Trust
Company, as Rights Agent.

          "Quaker State SEC Documents" shall have the meaning specified in
Section 5.4(e).

          "Quaker State Share Price" shall have the meaning set forth in Section
2.9.

          "Quaker State Stock Plans" shall have the meaning specified in
Section 2.9.

          "Quaker State Stockholders Meeting" shall have the meaning specified
in Section 2.4(a).

          "Quaker State Voting Debt" shall have the meaning specified in
Section 5.2.

          "Registration Statements" shall mean the Registration Statement on
Form S-4 to be filed by PPC with the SEC to effect the registration under the
Securities Act of the shares of PPC Common Stock into which shares of Quaker
State Capital Stock will be converted pursuant to the Merger and a registration
statement on Form 10 (or, if such form is not appropriate, the appropriate form
pursuant to the Exchange Act) to be filed by PPC with the SEC to effect the
registration of PPC Common Stock pursuant to the Exchange Act.

          "Requisite Approval" shall have the meaning specified in Section 5.22.

          "Retention Pay Program" shall have the meaning specified in
Section 9.12.

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

          "Rule 145 Affiliate" shall have the meaning specified in Section 6.14.

          "Rule 145 Affiliate Agreement" shall have the meaning specified in
Section 6.14.

          "SEC" shall mean the U.S. Securities and Exchange Commission.

          "Securities Act" shall mean the Securities Act of 1933, as amended,
together with the rules and regulations of the SEC promulgated thereunder.

          "Section 355 Ruling" shall have the meaning set forth in
Section 6.2(u).


                                         -8-
<PAGE>

          "Share Award" shall have the meaning specified in Section 2.9.

          "Significant Subsidiary" shall have the meaning set forth in Rule 1-02
of Regulation S-X of the Exchange Act.

          "Subsidiary" shall mean, with respect to any Person, a corporation,
partnership or other entity in which such Person, a Subsidiary of such Person or
such Person and one or more Subsidiaries of such Person, directly or indirectly,
has either (i) a majority ownership in the equity thereof, (ii) the power, under
ordinary circumstances, to elect, or to direct the election of, a majority of
the board of directors or other governing body of such entity, (iii) the title
or function of general partner, or the right to designate the Person having such
title or function or (iv) control thereof and, in the case of PPC, shall include
the corporate entities that have been or are being transferred to PPC by
Pennzoil as described or provided in the Distribution Agreement, including
without limitation JLI.

          "Surviving Corporation" shall have the meaning set forth in
Section 2.1(c).

          "Tax" shall mean all federal, state, local and foreign income,
profits, value-added, franchise, gross receipts, payroll, sales, employment,
use, property, withholding, excise and other taxes, duties or assessments of any
nature whatsoever, together with all interest, penalties and additions imposed
with respect to such amounts.

          "Tax Separation Agreement" shall mean the Tax Separation Agreement to
be entered into between Pennzoil and PPC in the form attached to the
Distribution Agreement, with such additions, deletions and other modifications
thereto that are mutually agreed upon in writing by Pennzoil, PPC and Quaker
State.

          "Termination Date" shall mean the date, if any, on which this
Agreement is terminated pursuant to Section 8.1.

          "Termination Fee" shall have the meaning specified in Section 8.3(a).

          "Trademark License Agreement" shall mean the Trademark License
Agreement to be entered into between Pennzoil and PPC in the form attached to
the Distribution Agreement, with such additions, deletions and other
modifications thereto that are mutually agreed to in writing by Pennzoil and
PPC, with a Quaker State Consent.

          "Transaction Agreements" shall mean this Agreement, the Distribution
Agreement, the Employee Benefits Agreement, the Trademark License Agreement, the
Transition Services Agreement, the Tax Separation Agreement and the other
agreements, if any, entered into or to be entered into in connection with the
Distribution as contemplated by Article II or Section 8.15 of the Distribution
Agreement.


                                         -9-
<PAGE>

          "Transition Services Agreement" shall mean the Transition Services
Agreement to be entered into between Pennzoil and PPC in the form attached to
the Distribution Agreement, with such additions, deletions and other
modifications thereto that are mutually agreed upon in writing by Pennzoil and
PPC, with a Quaker State Consent.


                                      ARTICLE 2

                                      THE MERGER

          2.1  DISTRIBUTION  AND MERGER.

          (a)  Subject to the terms and conditions of the Distribution
Agreement, prior to the Distribution Date, the parties thereto shall effect the
various transactions contemplated by the Distribution Agreement.

          (b)  Immediately prior to the Effective Time, the issued and
outstanding capital stock of Merger Sub shall consist of 1,000 shares of common
stock, all of which shall be owned by PPC.  Prior to the Effective Time and
except as specifically contemplated by this Agreement or as mutually approved in
writing by PPC and Quaker State, PPC shall cause Merger Sub not to conduct any
business operations, enter into any Contract (other than this Agreement),
acquire any assets or incur any liabilities. 

          (c)  At the Effective Time: (i) Merger Sub shall be merged with and
into Quaker State (the "Merger"), the separate existence of Merger Sub shall
cease and Quaker State shall continue as the surviving corporation (sometimes
referred to herein as the "Surviving Corporation"); (ii) the Certificate of
Incorporation of Quaker State immediately prior to the Effective Time shall be
the Certificate of Incorporation of the Surviving Corporation; and (iii) the
Bylaws of Quaker State as in effect immediately prior to the Effective Time
shall be the Bylaws of the Surviving Corporation.

          (d)  The directors of Quaker State at the Effective Time shall, from
and after the Effective Time, be the initial directors of the Surviving
Corporation, the officers of Quaker State at the Effective Time shall, from and
after the Effective Time, be the initial officers of the Surviving Corporation,
and such directors and officers shall serve until their successors have been
duly elected or appointed and qualified or until their earlier death,
resignation or removal in accordance with the Surviving Corporation's
Certificate of Incorporation and Bylaws.  The Board of Directors of PPC
immediately after the Effective Time shall consist of nine directors, five of
which will be designated by PPC, three of which will be designated by Quaker
State and one of which will be the President and Chief Operating Officer of PPC.
Two of the directors designated by Quaker State and four of the directors
designated by PPC will be independent directors.  The Certificate of
Incorporation and Bylaws of PPC immediately prior to the Effective Time will be
substantially in the forms attached hereto as EXHIBIT B and EXHIBIT C,
respectively, except (i) for such changes that are agreed to by


                                         -10-
<PAGE>

Pennzoil and PPC, with a Quaker State Consent, and (ii) that prior to the
Distribution Date, the name of PPC will be changed to a name mutually agreed to
by PPC and Quaker State.  The initial officers of PPC after the Effective Time
shall be as set forth in EXHIBIT D hereto.  The President and Chief Operating
Officer of PPC will be selected by a committee of the Board of Directors of PPC
comprised of two directors selected by Quaker State and two directors selected
by PPC, acting by the affirmative vote of a majority of the members of such
committee.

          (e)  The Merger shall have the effects set forth in this Article 2 and
the applicable provisions of the DGCL.

          2.2  EFFECT ON CAPITAL STOCK.  At the Effective Time, by virtue of the
Merger and without any action on the part of any holder of any capital stock of
Quaker State:

          (a)  Each share of Quaker State Capital Stock issued and outstanding
immediately prior to the Effective Time (other than shares to be canceled in
accordance with Section 2.2(b)) shall be automatically converted into the right
to receive .8204 fully paid and nonassessable share(s) of PPC Common Stock.

          (b)  Each share of Quaker State Capital Stock held by Quaker State as
treasury stock and each share of Quaker State Capital Stock owned by PPC or any
wholly owned Subsidiary of PPC or Quaker State, in each case immediately prior
to the Effective Time, shall be canceled and shall cease to exist and no stock
or other consideration shall be delivered in exchange therefor.

          (c)  Each share of capital stock of Merger Sub issued and outstanding
immediately prior to the Effective Time shall be converted into one fully paid
and nonassessable share of Quaker State Capital Stock.

          2.3  CANCELLATION OF STOCK.  Each share of Quaker State Capital Stock
issued and outstanding immediately prior to the Effective Time, when converted
in accordance with Section 2.2, shall no longer be outstanding and shall
automatically be canceled and shall cease to exist.  Each holder of a
certificate that, immediately prior to the Effective Time, represented
outstanding shares of Quaker State Capital Stock (collectively, the
"Certificates") shall cease to have any rights with respect thereto, except the
right to receive, upon the surrender of any such Certificate, a certificate
representing the shares of PPC Common Stock to which such holder is entitled
pursuant to Section 2.2 and any cash in lieu of fractional shares of PPC Common
Stock to be issued or paid in consideration therefor in accordance with Section
2.8(c), without interest.

          2.4  STOCKHOLDERS MEETING.

          (a)  As promptly as practicable following the date hereof and the
effectiveness of the Registration Statements and subject to Section 6.11(b),
Quaker State shall call a special meeting of its stockholders (the "Quaker State
Stockholders Meeting") to be held as promptly as practicable for the purpose of
voting upon (i) the adoption of the Merger Agreement and (ii) any


                                         -11-
<PAGE>

related matters.  This Agreement shall be submitted for adoption to the
stockholders of Quaker State at such special meeting.  Quaker State shall
deliver to Quaker State's stockholders the Proxy Statement/Prospectus in
definitive form in connection with the Quaker State Stockholders Meeting at the
time and in the manner provided by the applicable provisions of the DGCL, the
Exchange Act and Quaker State's Certificate of Incorporation and Bylaws and
shall conduct the Quaker State Stockholders Meeting and the solicitation of
proxies in connection therewith in compliance with such statutes, charter and
bylaws.

          (b)  Subject to Section 6.11(b), the Board of Directors of Quaker
State shall recommend that Quaker State stockholders adopt this Agreement and
approve the transactions contemplated hereby, and such recommendations shall be
set forth in the Proxy Statement/Prospectus.

          2.5  CLOSING.  Unless the transactions herein contemplated shall have
been abandoned and this Agreement terminated pursuant to Section 8.1, the
closing of the Merger and the other transactions contemplated hereby (the
"Closing") shall take place at the offices of PPC at 10:00 a.m., Central time,
on the date on which the last of the conditions set forth in Article 7 is
fulfilled or waived (except for those conditions that, by the express terms
thereof, are not capable of being satisfied until the Effective Time), or at
such other time and place as PPC and Quaker State shall agree in writing.

          2.6  EFFECTIVE TIME.  Upon the terms and subject to the conditions of
this Agreement, as soon as practicable at or after the Closing, a certificate of
merger shall be filed with the Secretary of State of the State of Delaware with
respect to the Merger (the "Certificate of Merger"), in such form as is required
by, and executed in accordance with, the applicable provisions of the DGCL.  The
Merger shall become effective at the time of filing of the Certificate of Merger
or at such later time as the parties hereto may agree and as is provided in the
Certificate of Merger.  The date and time at which the Merger shall become so
effective is herein referred to as the "Effective Time."

          2.7  CLOSING OF TRANSFER BOOKS.  From and after the Effective Time,
the stock transfer books of Quaker State shall be closed and no transfer shall
be made of any shares of capital stock of Quaker State that were outstanding
immediately prior to the Effective Time.

          2.8  EXCHANGE OF CERTIFICATES.

          (a)  EXCHANGE AGENT.  Prior to the Effective Time, PPC or Pennzoil
shall deposit with such bank or trust company as shall be agreed upon by PPC and
Quaker State (the "Exchange Agent"), for the benefit of holders of shares of
Quaker State Capital Stock and for exchange in accordance with this Article 2,
through the Exchange Agent, certificates representing the shares of PPC Common
Stock (such shares of PPC Common Stock, together with any dividends or
distributions with respect thereto to which the holders thereof may be entitled
pursuant to Section 2.8(c), being hereinafter referred to as the "Exchange
Fund") issuable pursuant to Section 2.2 in


                                         -12-
<PAGE>

exchange for outstanding shares of Quaker State Capital Stock.  The Exchange
Agent shall, pursuant to irrevocable instructions, deliver the PPC Common Stock
contemplated to be issued pursuant to Section 2.2 from the shares of stock held
in the Exchange Fund.  The Exchange Fund shall not be used for any other
purpose.

          (b)  EXCHANGE PROCEDURES.  As promptly as practicable after the
Effective Time, PPC shall cause the Exchange Agent to mail or deliver to each
holder of record of a Certificate or Certificates whose shares were converted
pursuant to Section 2.2 into the right to receive shares of PPC Common Stock (i)
a letter of transmittal (which shall specify that delivery shall be effected,
and risk of loss and title to the Certificates shall pass, only upon delivery of
the Certificates to the Exchange Agent and shall be in such form and have such
other provisions as PPC and Quaker State may reasonably specify) and (ii)
instructions for the use of such letter of transmittal in effecting the
surrender of the Certificates in exchange for certificates representing the
shares of PPC Common Stock that such holder has the right to receive pursuant to
this Article 2.  Upon surrender of a Certificate for cancellation to the
Exchange Agent or to such other agent or agents as may be appointed by PPC,
together with such letter of transmittal, duly executed, and any other required
documents, the holder of such Certificate shall be entitled to receive in
exchange therefor a certificate representing the number of whole shares of PPC
Common Stock that such holder has the right to receive pursuant to this
Article 2 (and cash in lieu of any fractional shares of PPC Common Stock, as
contemplated by Section 2.8(e)) (and any dividends or distributions pursuant to
Section 2.8(c)), and the Certificate so surrendered shall forthwith be canceled.
In the event of a transfer of ownership of shares of Quaker State Capital Stock
that is not registered in the transfer records of Quaker State, a certificate
representing the proper number of shares of PPC Common Stock may be issued to a
transferee only on the condition that the Certificate formerly representing such
shares of Quaker State Capital Stock is presented to the Exchange Agent,
properly endorsed, and accompanied by all documents required to evidence and
effect such transfer and by evidence that any applicable stock transfer taxes
have been paid or that no such taxes are applicable.  Until surrendered as
contemplated by this Section 2.8, each Certificate shall be deemed at any time
after the Effective Time to represent only the right to receive upon such
surrender a certificate representing shares of PPC Common Stock and cash in lieu
of any fractional shares of PPC Common Stock, as contemplated by Section 2.8(e)
(and any dividends or distributions pursuant to Section 2.8(c)).  The Exchange
Agent shall not be entitled to vote or exercise any rights of ownership with
respect to the PPC Common Stock held by it from time to time hereunder, except
that it shall receive and hold all dividends or other distributions paid or
distributed with respect thereto for the account of persons entitled thereto.

          If any Certificate shall have been lost, stolen, mislaid or destroyed,
upon the making of an affidavit of that fact by the person claiming such
Certificate to be lost, stolen, mislaid or destroyed, PPC shall cause to be
delivered in exchange for such lost, stolen, mislaid or destroyed Certificate
the consideration deliverable in respect thereof as determined in accordance
with this Article 2.  When authorizing the delivery of such consideration in
exchange therefor, PPC may, in its sole discretion and as a condition precedent
to the delivery thereof, require the owner of such lost, stolen, mislaid or
destroyed Certificate to give PPC a bond, in form and substance reasonably


                                         -13-
<PAGE>

satisfactory to PPC, and in such sum as PPC may reasonably direct, as indemnity
against any claim that may be made against PPC or the Exchange Agent with
respect to the Certificate alleged to have been lost, stolen, mislaid or
destroyed.

          (c)  DISTRIBUTIONS WITH RESPECT TO UNEXCHANGED SHARES.  No dividends
or other distributions declared or made after the Effective Time with respect to
PPC Common Stock with a record date after the Effective Time shall be paid to
the holder of any unsurrendered Certificate with respect to the shares of PPC
Common Stock which such holder is entitled to receive pursuant to the terms
hereof and no cash payment in lieu of fractional shares shall be paid to any
such holder pursuant to Section 2.8(e) until the holder of record of such
Certificate shall surrender such Certificate.  Subject to the effect of
applicable laws, following the surrender of any such Certificate, there shall be
paid to the record holder of the certificates representing shares of PPC Common
Stock issued in exchange therefor, without interest (i) at the time of such
surrender, the amount of cash payable in lieu of a fractional share of PPC
Common Stock to which such holder is entitled pursuant to Section 2.8(e) and the
amount of dividends or other distributions with a record date after the
Effective Time theretofore paid with respect to such whole shares of PPC Common
Stock and (ii) at the appropriate payment date therefor, the amount of dividends
or other distributions with a record date after the Effective Time but prior to
the surrender of such Certificate and a payment date subsequent to the surrender
of such Certificate payable with respect to such whole shares of PPC Common
Stock.  PPC shall deposit in the Exchange Fund all such dividends and
distributions.

          (d)  NO FURTHER OWNERSHIP RIGHTS IN QUAKER STATE CAPITAL STOCK.  All
shares of PPC Common Stock issued upon the surrender for exchange of
Certificates formerly representing shares of Quaker State Capital Stock
(including any cash paid pursuant to Section 2.8(c)) shall be deemed to have
been issued in full satisfaction of all rights pertaining to such shares of
Quaker State Capital Stock subject, however, to the Surviving Corporation's
obligation to pay any dividends or make any other distributions with a record
date prior to the Effective Time that may have been declared or made by Quaker
State on such shares of Quaker State Capital Stock in accordance with the terms
of this Agreement or prior to the date hereof and that remain unpaid at the
Effective Time.  If, after the Effective Time, Certificates are presented to PPC
or Quaker State for any reason, they shall be canceled and exchanged as provided
in this Article 2.

          (e)  NO FRACTIONAL SHARES.  Notwithstanding anything herein to the
contrary, no certificate or scrip representing fractional shares of PPC Common
Stock shall be issued upon the surrender for exchange of Certificates, and such
fractional share interests will not entitle the owner thereof to vote or to any
rights as a stockholder of PPC.  All fractional shares of PPC Common Stock that
a holder of Quaker State Capital Stock would otherwise be entitled to receive as
a result of the Merger shall be aggregated and if a fractional share results
from such aggregation, such holder shall be entitled to receive, in lieu
thereof, an amount in cash determined by multiplying (i) the closing sale price
per share of PPC Common Stock on the NYSE on the business day preceding the
Effective Time, if the stock is being traded on such date, or if the stock is
not being traded on such date, the closing sale price per share of PPC Common
Stock on the NYSE on the first business day that such stock is traded, by (ii)
the fraction of a share of PPC Common Stock to which such holder would


                                         -14-
<PAGE>

otherwise have been entitled.  PPC shall timely make available to the Exchange
Agent any cash necessary to make payments in lieu of fractional shares as
aforesaid.  Alternatively, PPC shall have the option of instructing the Exchange
Agent to aggregate all fractional shares of PPC Common Stock, sell such shares
in the public market and distribute to holders of Quaker State Capital Stock who
otherwise would have been entitled to such fractional shares of PPC Common Stock
a pro rata portion of the proceeds of such sale.  No such cash in lieu of
fractional shares of PPC Common Stock shall be paid to any holder of Quaker
State Capital Stock until Certificates formerly representing such Quaker State
Capital Stock are surrendered and exchanged in accordance with Section 2.8(b).

          (f)  TERMINATION OF EXCHANGE FUND.  Any portion of the Exchange Fund
and any cash in lieu of fractional shares of PPC Common Stock made available to
the Exchange Agent that remains undistributed to the former stockholders of
Quaker State on the one-year anniversary of the Effective Time shall be
delivered to PPC, upon demand, and any stockholders of Quaker State who have not
theretofore complied with this Article 2 shall thereafter look only to PPC for
payment of their claim for PPC Common Stock and any cash in lieu of fractional
shares of PPC Common Stock and any dividends or distributions with respect to
PPC Common Stock.

          (g)  NO LIABILITY.  Neither PPC nor the Surviving Corporation shall be
liable to any holder of a Certificate or any holder of shares of PPC Common
Stock for shares of PPC Common Stock (or dividends or distributions with respect
thereto or with respect to Quaker State Capital Stock) or cash in lieu of
fractional shares of PPC Common Stock delivered to a public official pursuant to
any applicable abandoned property, escheat or similar law.

          2.9  QUAKER STATE EMPLOYEE STOCK OPTIONS, RESTRICTED STOCK AND
PERFORMANCE SHARES.  In accordance with the terms of the Quaker State 1994 Stock
Incentive Plan, 1994 Non-Employee Directors Stock Option Plan and 1986 Stock
Option Plan (the "Quaker State Stock Plans"), each option to acquire shares of
Quaker State Capital Stock (each, an "Option") and restricted or performance
share award (each, a "Share Award") granted to an employee, officer or director
of Quaker State under the Quaker State Stock Plans and outstanding immediately
prior to the Effective Time (an Option or a Share Award, an "Award") shall,
immediately prior to the Effective Time, become vested or exercisable.  Unless
otherwise agreed by PPC, Quaker State and the holder of an Award as contemplated
by this Section 2.9, Quaker State shall cause all requisite action to be taken
so that as of the Effective Time, each Award outstanding immediately prior to
the Effective Time shall be canceled or repurchased and the holder of such an
Award shall be entitled to receive an amount of cash (less any required
withholding or other similar taxes) equal to (a) for each share of Quaker State
Capital Stock subject to an Option, an amount in cash equal to the excess, if
any, of (i) the greater of (x) $23.00 and (y) the average closing trading prices
per share of Quaker State Capital Stock on the three business days immediately
preceding the Effective Time on the NYSE (such higher amount, the "Quaker State
Share Price") over (ii) the per share exercise price of such Option, and (b) for
each share of Quaker State Capital Stock subject to a Share Award, the Quaker
State Share Price.  Quaker State shall use its reasonable best efforts to obtain
all necessary consents of the holders of Awards to the cancellation or
repurchase of Awards in accordance with


                                         -15-
<PAGE>

this Section 2.9.  If Quaker State and the holder of an Award agree, instead of
receiving the cash payment provided for in this Section 2.9 for all or a portion
of his or her Award, the holder shall receive an alternative award (the
"Alternative Award") under the PPC 1998 Incentive Plan.  Any such Alternative
Award shall (a) be in substitution for such Award under the applicable stock
option plan of Quaker State (the "Canceled Award"); (b) provide rights and
entitlements substantially equivalent to or better than the rights, terms and
conditions applicable under the corresponding Canceled Award, including but not
limited to, an identical or better vesting schedule; (c) have economic value
substantially equivalent to the value of the corresponding Canceled Award; and
(d) have terms and conditions which provide that, in the event that the
employment of the grantee of such Alternative Award is involuntarily or
constructively terminated, any conditions on such grantee's rights under, or any
restrictions on exercisability applicable to, each such Alternative Award shall
be waived or shall lapse, as the case may be.  For purposes of subclause (c) of
the immediately preceding sentence, economic equivalent value shall be
determined in the case of the Canceled Award, based on the Quaker State Share
Price, and, in the case of the substitute award for PPC Common Stock, the value
of the PPC Common Stock used under the Employee Benefits Agreement for
converting the Pennzoil equity based awards into an award for PPC Common Stock.

                                      ARTICLE 3

                      REPRESENTATIONS AND WARRANTIES OF PENNZOIL

          Pennzoil represents and warrants to and agrees with Quaker State and
PPC as follows:

          3.1  ORGANIZATION, QUALIFICATION, ETC.  Pennzoil is a corporation duly
organized, validly existing and in good standing under the laws of the State of
Delaware.

          3.2  CORPORATE AUTHORITY; NO VIOLATION, ETC.  Pennzoil has the
corporate power and authority to enter into each Transaction Agreement and to
carry out its obligations hereunder and thereunder.  The execution, delivery and
performance by Pennzoil of each Transaction Agreement and the consummation of
the transactions contemplated hereby and thereby have been duly authorized by
all requisite corporate action on the part of Pennzoil.  This Agreement has been
duly executed and delivered by Pennzoil and constitutes a legal, valid and
binding agreement of Pennzoil, enforceable against Pennzoil in accordance with
its terms (except insofar as such enforceability may be limited by applicable
bankruptcy, insolvency, reorganization, moratorium or similar laws affecting
creditors' rights generally, or by principles governing the availability of
equitable remedies).  As of the Distribution Date, each other Transaction
Agreement will have been duly executed and delivered by Pennzoil and will
constitute a legal, valid and binding agreement of Pennzoil, enforceable against
Pennzoil in accordance with its terms (except insofar as such enforceability may
be limited by applicable bankruptcy, insolvency, reorganization, moratorium or
similar laws affecting creditors' rights generally, or by principles governing
the availability of equitable remedies).  None of the execution and delivery by
Pennzoil of this Agreement or any other Transaction Agreement, the consummation
by Pennzoil of the transactions contemplated hereby or thereby or compliance by
Pennzoil with any of the provisions hereof or thereof will (a) violate or


                                         -16-
<PAGE>

conflict with any provisions of Pennzoil's Certificate of Incorporation or
Bylaws; (b) require any consent, approval, authorization or permit of,
registration, declaration or filing with, or notification to, any Governmental
Authority or any other Person, except (i) as set forth in Section 3.2 of the
Pennzoil Disclosure Schedule or (ii) where the failure to so obtain, make or
file such consents, approvals, authorizations, permits, registrations,
declarations, filings or notifications, individually or in the aggregate, would
not be reasonably likely to have a Material Adverse Effect on PPC; (c) result in
a default (or an event that, with notice or lapse of time or both, would become
a default) or give rise to any right of termination by any third party,
cancellation, amendment or acceleration of any obligation or the loss of any
benefit under, any Contract to which Pennzoil or any of its Subsidiaries or  PPC
or any of its Subsidiaries is a party or by which Pennzoil or any of its
Subsidiaries or  PPC or any of its Subsidiaries or any of the PPC Assets is
bound or affected, except (i) as set forth in Section 3.2 of the Pennzoil
Disclosure Schedule or (ii) for any such defaults, terminations, cancellations,
amendments, accelerations or losses that, individually or in the aggregate,
would not be reasonably likely to have a Material Adverse Effect on PPC; (d)
result in the creation of a lien, pledge, security interest, claim or other
encumbrance on any of the issued and outstanding shares of PPC Common Stock,
capital stock of any PPC Subsidiary or on any of the PPC Assets pursuant to any
Contract to which Pennzoil or any of its Subsidiaries (including PPC and its
Subsidiaries) is a party or by which PPC or its Subsidiaries or any of the PPC
Assets is bound or affected except (i) as set forth in Section 3.2 of the
Pennzoil Disclosure Schedule or (ii) for any such liens, pledges, security
interests or encumbrances which, individually or in the aggregate would not be
reasonably likely to have a Material Adverse Effect on PPC; or (e) violate or
conflict with any order, writ, injunction, decree, law, ordinance, rule or
regulation applicable to Pennzoil or any of its Subsidiaries (including PPC and
its Subsidiaries), or any of the properties, business or assets of any of the
foregoing, except (i) as set forth in Section 3.2 of the Pennzoil Disclosure
Schedule or (ii) violations and conflicts that, individually or in the
aggregate, would not be reasonably likely to have a Material Adverse Effect on
PPC.  Section 3.2 of the Pennzoil Disclosure Schedule identifies all consents,
approvals and authorizations of any Governmental Authority that are legally
required to be obtained by Pennzoil for the consummation of the transactions
contemplated by the Transaction Agreements.

          3.3  INFORMATION SUPPLIED.  All documents that Pennzoil is responsible
for filing with any Governmental Authority in connection with the transactions
contemplated hereby and by the other Transaction Agreements will comply in all
material respects with the provisions of applicable law.  All information
supplied or to be supplied by Pennzoil in any document filed with any
Governmental Authority in connection with the transactions contemplated hereby
and by the other Transaction Agreements will be, at the time of filing, at the
Distribution Date and at the Effective Time, true and correct in all material
respects, except where the failure of such information to be true and correct,
individually or in the aggregate, would not be reasonably likely to have a
Material Adverse Effect on PPC.

          3.4  BROKERS OR FINDERS.  Except as set forth in Section 3.4 of the
Pennzoil Disclosure Schedule, no agent, broker, investment banker, financial
advisor or other similar Person is or will be entitled, by reason of any
agreement, act or statement by Pennzoil or any of its


                                         -17-
<PAGE>

Subsidiaries, directors, officers or employees, to any financial advisory,
broker's, finder's or similar fee or commission, to reimbursement of expenses or
to indemnification or contribution, in each case, by PPC or its Subsidiaries in
connection with any of the transactions contemplated by this Agreement or the
other Transaction Agreements.

                                      ARTICLE 4

                  REPRESENTATIONS AND WARRANTIES OF PENNZOIL AND PPC

          Pennzoil and PPC, jointly and severally, represent and warrant to
Quaker State as follows and in each case after giving effect to the transactions
contemplated by the Distribution Agreement (unless otherwise explicitly stated):

          4.1  ORGANIZATION, QUALIFICATION, ETC.  Each of PPC and Merger Sub is
and will be upon the Effective Time a corporation duly organized, validly
existing and in good standing under the laws of the State of Delaware.  PPC has
all requisite power and authority to own, lease and operate its properties and
assets and to carry on its business as presently conducted and is duly qualified
and licensed to do business and is in good standing in each jurisdiction in
which the ownership or leasing of its property or the conduct of its business
requires such qualification, except for jurisdictions in which the failure to be
so qualified or to be in good standing, individually or in the aggregate, would
not be reasonably likely to have a Material Adverse Effect on PPC.  The copies
of the PPC Certificate of Incorporation and Bylaws in existence on the date
hereof are included as part of Section 4.1 of the PPC Disclosure Schedule and
are complete and correct and in full force and effect on the date hereof.  Each
of PPC's Significant Subsidiaries is a corporation or (as indicated in Section
4.1 of the PPC Disclosure Schedule) other legal entity duly organized, validly
existing and, to the extent such concept or similar concept exists in the
relevant jurisdiction, in good standing under the laws of the state or other
jurisdiction of its incorporation or other organization, has all requisite power
and authority to own, lease and operate its properties and assets and to carry
on its business as presently conducted  and is duly qualified and licensed to do
business and is in good standing in each jurisdiction in which the ownership or
leasing of its property or the conduct of its business requires such
qualification, except for jurisdictions in which the failure to be so qualified
or to be in good standing, individually or in the aggregate, would not be
reasonably likely to have a Material Adverse Effect on PPC.  All of the
Subsidiaries of PPC and their respective jurisdictions of incorporation or
organization (together with a designation of those Subsidiaries constituting
Significant Subsidiaries of PPC) are identified in Section 4.1 of the PPC
Disclosure Schedule.

          4.2  CAPITAL STOCK AND OTHER MATTERS.  The authorized capital stock of
PPC consists of 100,000,000 shares of PPC Common Stock and 10,000,000 shares of
PPC Preferred Stock.  At the Distribution Date, (i) there will be issued and
outstanding 47,669,227 shares of PPC Common Stock (the number of outstanding
shares of Pennzoil Common Stock as of April 13, 1998, as adjusted on a
one-for-one basis for any increase or decrease in the number of outstanding
shares of Pennzoil Common Stock after such date, in accordance with the terms of
this Agreement); (ii) no


                                         -18-
<PAGE>

shares of PPC Common Stock will be held by PPC in its treasury; (iii) no shares
of PPC Preferred Stock will be issued and outstanding; and (iv) no bonds,
debentures, notes or other indebtedness of PPC or any of its Subsidiaries having
the right to vote (or convertible into securities having the right to vote) on
any matters on which holders of shares of capital stock of PPC (including PPC
Common Stock) may vote ("PPC Voting Debt") will be issued or outstanding.  None
of such shares of PPC Common Stock will be subject to preemptive rights.  Except
as set forth in this Section 4.2 or contemplated by Section 7.3(d), there are
not now outstanding, nor will there be outstanding at the Effective Time, (i)
any shares of capital stock of PPC, PPC Voting Debt or other voting securities
of PPC, (ii) any securities of PPC or any of its Subsidiaries convertible into
or exchangeable for shares of capital stock of PPC, PPC Voting Debt or other
voting securities of PPC or PPC Common Stock or (iii) except as specified in
Section 6.7, the Employee Benefits Agreement, Section 4.2 of the PPC Disclosure
Schedule or in the PPC 1998 Incentive Plan in the form of EXHIBIT E attached
hereto, any options, warrants, calls, rights (including preemptive rights),
commitments or other Contracts (other than certain Transaction Agreements) to
which PPC or any of its Subsidiaries is a party or by which PPC or any of its
Subsidiaries will be bound obligating PPC or any of its Subsidiaries to issue,
deliver, sell, purchase, redeem or acquire, or cause to be issued, delivered,
sold, purchased, redeemed or acquired, or otherwise relating to, shares of
capital stock of PPC or any PPC Voting Debt or other voting securities of PPC or
any of its Subsidiaries or obligating PPC or any of its Subsidiaries to grant,
extend or enter into any such option, warrant, call, right, commitment or
Contract.  There are no stockholder agreements, voting trusts or other Contracts
(other than the Distribution Agreement) to which PPC is a party or by which it
is bound relating to the voting or transfer of any shares of capital stock of
PPC.  The authorized capital stock of Merger Sub will consist of 1,000 shares of
common stock, all of which, immediately prior to the Distribution Date, will be
owned by PPC.

          4.3  CORPORATE AUTHORITY; NO VIOLATION.  PPC has the corporate power
and authority to enter into each Transaction Agreement and to carry out its
obligations hereunder and thereunder.  The execution, delivery and performance
by PPC of each Transaction Agreement and the consummation of the transactions
contemplated hereby and thereby have been duly authorized by all requisite
corporate action on the part of PPC.  Merger Sub has the corporate power and
authority to enter into this Agreement and to carry out its obligations
hereunder.  This Agreement has been duly authorized by all requisite corporate
action on the part of Merger Sub and has been duly executed and delivered by
Merger Sub and constitutes a legal, valid and binding agreement of Merger Sub,
enforceable against Merger Sub in accordance with its terms (except insofar as
such enforceability may be limited by applicable bankruptcy, insolvency,
reorganization, moratorium or similar laws affecting creditors' rights
generally, or by principles governing the availability of equitable remedies). 
This Agreement has been duly executed and delivered by PPC and constitutes a
legal, valid and binding agreement of PPC, enforceable against PPC in
accordance with its terms


                                         -19-
<PAGE>

(except insofar as such enforceability may be limited by applicable bankruptcy,
insolvency, reorganization, moratorium or similar laws affecting creditors'
rights generally, or by principles governing the availability of equitable
remedies).  As of the Distribution Date, each other Transaction Agreement will
have been duly executed and delivered by PPC and will constitute a legal, valid
and binding agreement of PPC, enforceable against PPC in accordance with its
terms (except insofar as such enforceability may be limited by applicable
bankruptcy, insolvency, reorganization, moratorium or similar laws affecting
creditors' rights generally, or by principles governing the availability of
equitable remedies).  Merger Sub is not a party to any Contract except this
Agreement, and has no obligations or liabilities except under this Agreement and
costs incidental to its incorporation in the State of Delaware.  None of the
execution and delivery by PPC of this Agreement or any other Transaction
Agreement, the consummation by PPC of the transactions contemplated hereby or
thereby, or compliance by PPC with any of the provisions hereof or thereof will
(a) violate or conflict with any provision of PPC's Certificate of Incorporation
or Bylaws; (b) require any consent, approval, authorization or permit of,
registration, declaration or filing with, or notification to, any Governmental
Authority or any other Person, except (i) as set forth in Section 4.3 of the PPC
Disclosure Schedule or (ii) where the failure to so obtain, make or file such
consents, approvals, authorizations, permits, registrations, declarations,
filings or notifications, individually or in the aggregate, would not be
reasonably likely to have a Material Adverse Effect on PPC; (c) result in a
default (or an event that, with notice or lapse of time or both, would become a
default) or give rise to any right of termination or buy-out by any third party,
cancellation, amendment or acceleration of any obligation or the loss of any
benefit under any Contract to which PPC or any of its Subsidiaries is a party or
by which PPC or any of its Subsidiaries or any of the PPC Assets is bound or
affected, except (i) as set forth in Section 4.3 of the PPC Disclosure Schedule
or (ii) for any such defaults, terminations, cancellations, amendments,
accelerations or losses that, individually or in the aggregate, would not be
reasonably likely to have a Material Adverse Effect on PPC; (d) result in the
creation of a lien, pledge, security interest, claim or other encumbrance on any
of the issued and outstanding shares of PPC Common Stock or capital stock of any
PPC Subsidiaries or on any of the PPC Assets pursuant to any Contract to which
PPC or any of its Subsidiaries is a party or by which PPC or any of its
Subsidiaries or any of the PPC Assets is bound or affected except (i) as set
forth in Section 4.3 of the PPC Disclosure Schedule or (ii) for such liens,
pledges, security interests, claims or encumbrances that, individually or in the
aggregate, would not be reasonably likely to have a Material Adverse Effect on
PPC; or (e) violate or conflict with any order, writ, injunction, decree, law,
ordinance, rule or regulation applicable to PPC or any of its Subsidiaries, or
any of the properties, businesses or assets of any of the foregoing, except (i)
as set forth in Section 4.3 of the PPC Disclosure Schedule or (ii) violations
and conflicts that, individually or in the aggregate, would not be reasonably
likely to have a Material Adverse Effect on PPC.  Section 4.3 of the PPC
Disclosure Schedule identifies all consents, approvals and authorizations of any
Governmental Authority that are legally required to be obtained by PPC for the
consummation of the transactions contemplated by the Transaction Agreements.

          4.4  AFFILIATE TRANSACTIONS.  Except as set forth in Section 4.4 of
the PPC Disclosure Schedule (such agreements described therein referred to as
the "Pennzoil/PPC Agreements") and except for the other Transaction Agreements,
there are no material Contracts between (i) PPC or any of its Subsidiaries, on
the one hand, and (ii) Pennzoil or any of its Affiliates (other than PPC and its
Subsidiaries), on the other hand.  PPC has made available to Quaker State
complete and correct copies of the Pennzoil/PPC Agreements.  Each of the
Pennzoil/PPC Agreements is in full force and effect on the date hereof.


                                         -20-
<PAGE>

          4.5  PPC FINANCIAL STATEMENTS.  PPC has previously made available to
Quaker State complete and correct copies of audited combined financial
statements of PPC and JLI as of and for the period ended December 31, 1997
(including any related notes and schedules thereto, the "1997 PPC Financial
Statements").  PPC has previously made available to Quaker State pro forma
combined financial statements for PPC and JLI (as described by Rule 11-01 of
Regulation S-X of the Exchange Act) after giving effect to the transactions
described in or contemplated by the Distribution Agreement, and as described in
the notes to such financial statements, as of and for the period ended December
31, 1997 (including any related notes and schedules thereto, the "1997 Pro Forma
Financial Statements").  In addition, PPC will have provided to Quaker State
within 30 days of the date hereof (i) audited combined financial statements of
PPC and JLI as of and for the periods ended December 31, 1995 and 1996 (together
with the 1997 PPC Financial Statements, the "PPC Financial Statements"), and
(ii) pro forma combined financial statements of PPC and JLI as of and for the
period ended December 31, 1996 (together with the 1997 Pro Forma Financial
Statements, the "Pro Forma Financial Statements") and any and all other
financial statements required to be included by Regulation S-X of the Exchange
Act in the Registration Statements and the Proxy Statement/Prospectus.  The PPC
Financial Statements fairly present or will fairly present in all material
respects the combined financial position of PPC and JLI as of the dates thereof
and the results of operations and changes in financial position or other
information included therein for the periods or as of the dates then ended.  The
Pro Forma Financial Statements fairly present or will fairly present in all
material respects in accordance with Rule 11-01 of Regulation S-X of the
Exchange Act, and any other pro forma financial statements prepared in
accordance with this Section 4.5 will fairly present in all material respects in
accordance with Rule 11-01 of Regulation S-X of the Exchange Act, the combined
financial position of the PPC and JLI as of the dates thereof, and the results
of operations and changes in financial position or other information included
therein for the periods or as of the dates then ended.  The PPC Financial
Statements and the Pro Forma Financial Statements have been or will be prepared
in accordance with GAAP, and on a consistent basis.  Except as set forth in the
footnotes to the 1997 PPC Financial Statements, the 1997 Pro Forma Financial
Statements or as set forth in Section 4.5 of the PPC Disclosure Schedule, PPC
and its Subsidiaries do not have any liability or obligation of any nature
(whether accrued, absolute, contingent or otherwise) other than  (i) liabilities
incurred in the ordinary course of business since December 31, 1997 or
(ii) liabilities and obligations that, individually or in the aggregate
(together with those described in clause (i)), would not be reasonably likely to
have a Material Adverse Effect on PPC.

          4.6  ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except as specifically
contemplated by this Agreement or the other Transaction Agreements or as set
forth in Section 4.6 of the PPC Disclosure Schedule, since December 31, 1997,
the PPC Business has been conducted only in the ordinary course and (i) there
has not been, occurred or arisen any change in, or any event (including any
damage, destruction or loss whether or not covered by insurance), condition or
state of facts of any character that, individually or in the aggregate, would be
reasonably likely to have a Material Adverse Effect on PPC, whether or not
arising in the ordinary course of business, and (ii) none of Pennzoil, PPC or
any of their respective Subsidiaries has taken or failed to take any action the
taking of which or failure of which to take, as the case may be, would have
caused PPC to have violated


                                         -21-
<PAGE>

the provisions of Section 6.2 if they had then been applicable to PPC and its
Subsidiaries during such period.

          4.7  INVESTIGATIONS; LITIGATION.

          (a)  No investigation or review by any Governmental Authority with
respect to Pennzoil, PPC or any of their respective Subsidiaries is pending, or
to the best of Pennzoil's or PPC's knowledge, threatened, nor has any
Governmental Authority indicated to Pennzoil or PPC or any of their respective
Subsidiaries an intention to conduct the same, except (i) as set forth in
Section 4.7(a) of the PPC Disclosure Schedule and (ii) with respect to such
investigations and reviews the outcome of which, individually or in the
aggregate, would not be reasonably likely to have a Material Adverse Effect on
PPC.

          (b)  Except as set forth in Section 4.7(b) of the PPC Disclosure
Schedule, there is no action, suit or proceeding pending or, to the best of
PPC's knowledge, threatened against or affecting Pennzoil, PPC or any of their
respective Subsidiaries at law or in equity, or before any Governmental
Authority, that, if adversely determined, individually or in the aggregate,
would be reasonably likely to have a Material Adverse Effect on PPC.  There is
no judgment, decree, injunction, rule or order of any Governmental Authority or
arbitrator outstanding against Pennzoil, PPC or any of their respective
Subsidiaries that, individually or in the aggregate, would be reasonably likely
to have a Material Adverse Effect on PPC.

          (c)  The investigations and reviews listed on Schedule 4.7(a) and the
actions, suits and proceedings listed on Schedule 4.7(b) pertain entirely or
predominantly to the PPC Business.

          4.8  LICENSES; COMPLIANCE WITH LAWS.  PPC and its Subsidiaries hold
all Licenses that are required for the conduct of the PPC Business, as presently
conducted and as proposed to be conducted, except such Licenses for which the
failure to so hold, individually or in the aggregate, would not be reasonably
likely to have a Material Adverse Effect on PPC.  PPC and its Subsidiaries are
in compliance with the terms of all such Licenses so held, except where the
failure so to comply, individually or in the aggregate, would not be reasonably
likely to have a Material Adverse Effect on PPC.  PPC and its Subsidiaries are
in compliance with all, and have received no notice of any violation (as yet
unremedied) of any laws, ordinances or regulations of any Governmental Authority
applicable to any of them or their respective operations the noncompliance with
which, individually or in the aggregate, would be reasonably likely to have a
Material Adverse Effect on PPC.

          4.9  PROXY STATEMENT/PROSPECTUS; REGISTRATION STATEMENT.  None of the
information regarding Pennzoil or its Subsidiaries or PPC or its Subsidiaries or
the transactions contemplated by this Agreement or any other Transaction
Agreement provided by Pennzoil or PPC specifically for inclusion in, or
incorporation by reference into, the Proxy Statement/Prospectus or the
Registration Statements will, in the case of the definitive Proxy


                                         -22-
<PAGE>

Statement/Prospectus or any amendment or supplement thereto, at the time of the
mailing of the definitive Proxy Statement/Prospectus and any amendment or
supplement thereto and at the time of the Quaker State Stockholders Meeting, or,
in the case of each Registration Statement, at the time it becomes effective, at
the time of the Quaker State Stockholders Meeting, at the Distribution Date and
at the Effective Time contain an untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary in order to
make the statements therein, in the light of the circumstances under which they
are made, not misleading.  The Registration Statements will comply in all
material respects with the provisions of the Securities Act and the Exchange
Act, as the case may be, except that no representation is made by Pennzoil or
PPC with respect to information provided by Quaker State specifically for
inclusion in, or incorporation by reference into, the Registration Statements.

          4.10 INFORMATION SUPPLIED.  All documents that PPC or Pennzoil is
responsible for filing with any Governmental Authority in connection with the
transactions contemplated hereby or by any other Transaction Agreement will
comply in all material respects with the provisions of applicable law.  All
information supplied or to be supplied by PPC or Pennzoil in any document filed
with any Governmental Authority in connection with the transactions contemplated
hereby or by any other Transaction Agreement will be, at the time of filing and
at the Effective Time, true and correct in all material respects, except where
the failure to be true and correct, individually or in the aggregate, would not
be reasonably likely to have a Material Adverse Effect on PPC.

          4.11 ENVIRONMENTAL MATTERS.  Except as set forth in Section 4.11 of
the PPC Disclosure Schedule:

          (a)  Each of PPC and its Subsidiaries has obtained all licenses,
permits and other authorizations under Environmental Laws required for the
conduct and operation of its business and is in compliance and at all times has
been in compliance with the terms and conditions contained therein, and is in
compliance and at all times has been in compliance with all applicable
Environmental Laws, except where the failure to obtain such licenses, permits
and other authorizations, the non-compliance with the terms and conditions
contained therein or the non-compliance with other provisions of applicable
Environmental Laws would not, individually or in the aggregate, create a
Material Adverse Effect on PPC.

          (b)  Each of PPC and its Subsidiaries is not subject to any
environmental indemnification obligation regarding businesses formerly owned or
operated by PPC or regarding properties formerly owned or leased by PPC except
for indemnification obligations that would not, individually or in the
aggregate, create a Material Adverse Effect on PPC.

          (c)  There is no condition on, at or under any property (including,
without limitation, the air, soil and ground water) currently or formerly owned,
leased or used by PPC or any of its Subsidiaries or created by PPC's or any PPC
Subsidiary's operations that would create liability for PPC under applicable
Environmental Laws, except for liability that would not, individually or in the
aggregate, create a Material Adverse Effect on PPC.


                                         -23-
<PAGE>

          (d)  There are no past or present actions, activities, circumstances,
events or incidents (including but not limited to the release, emission,
discharge, presence or disposal of any Hazardous Material) that are reasonably
likely to form the basis of a claim under Environmental Laws that individually
or in the aggregate, would create a Material Adverse Effect on PPC.

          (e)  PPC has made available to Quaker State all material site
assessments, compliance audits, and other similar studies in its possession,
custody or control relating to (i) the environmental conditions on, under or
about the properties or assets currently or formerly owned, leased, operated or
used by PPC, any of its Subsidiaries or any predecessor in interest thereto and
(ii) any Hazardous Materials used, managed, handled, transported, treated,
generated, stored, discharged, emitted, or otherwise released by PPC, any of its
Subsidiaries or any other person on, under, about or from any of the properties
currently or formerly owned or leased, or otherwise in connection with the use
or operation of any of the properties owned or leased, or otherwise in
connection with the use or operation of any of the properties and assets of PPC
or any of its Subsidiaries, or their respective businesses and operations.

          4.12 TAX MATTERS.

          (a)  Except as set forth in Section 4.12 of the PPC Disclosure
Schedule, (i) all material Returns relating to PPC and the PPC Subsidiaries
required to be filed have been filed, (ii) all such Returns are true and correct
in all material respects, (iii) all Taxes shown as due and payable on such
Returns, and all material Taxes (whether or not reflected on such Returns)
relating to PPC or any PPC Subsidiaries required to be paid, have been paid,
(iv) all Taxes relating to PPC and the PPC Subsidiaries for any taxable period
(or a portion thereof) beginning on or prior to the date of the Closing (which
are not yet due and payable) have been properly reserved for in the 1997 Pro
Forma Financial Statements and (v) PPC and the PPC Subsidiaries have duly and
timely withheld all material Taxes required to be withheld and such withheld
Taxes have been either duly and timely paid to the proper Governmental Authority
or properly set aside in accounts for such purpose and will be duly and timely
paid to the proper Governmental Authority.

          (b)  Except as set forth in Section 4.12 of the PPC Disclosure
Schedule, no written agreement or other written document waiving or extending,
or having the effect of waiving or extending, the statute of limitations or the
period of assessment or collection of any Taxes relating to PPC or any PPC
Subsidiary, and no power of attorney with respect to any such Taxes has been
filed or entered into with any Governmental Authority.

          (c)  Except as set forth in Section 4.12 of the PPC Disclosure
Schedule, (i) no audits or other administrative proceedings or court proceedings
are presently pending with regard to any Taxes or Return of PPC or any PPC
Subsidiary as to which any taxing authority has asserted in writing any claim
which, if adversely determined, would have a Material Adverse Effect on PPC and
(ii) no Governmental Authority is now asserting in writing any deficiency or
claim for Taxes or any adjustment to Taxes with respect to which PPC or any PPC
Subsidiary may be liable with respect to income and other material Taxes which
have not been fully paid or finally settled.


                                         -24-
<PAGE>

          (d)  Except as set forth in Section 4.12 of the PPC Disclosure
Schedule, none of PPC or any PPC Subsidiary (i) is a party to or bound by or has
any obligation under any written Tax Separation, sharing or similar agreement or
arrangement other than the Tax Separation Agreement, (ii) is or has been a
member of any consolidated, combined or unitary group for purposes of filing
Returns or paying Taxes or (iii) has entered into a closing agreement pursuant
to Section 7121 of the Code, or any predecessor provision or any similar
provision of state or local law.

          (e)  Except as set forth in Section 4.12 of the PPC Disclosure
Schedule, none of the PPC Assets is subject to any Tax lien (other than liens
for Taxes that are not yet due or that are being contested in good faith by
appropriate proceedings and which have been properly reserved for in the books
and records of PPC).

          4.13 BENEFIT PLANS.

          (a)  Section 4.13(a) of the PPC Disclosure Schedule lists each
"employee benefit plan" (as defined in Section 3(3) of ERISA), and all other
employee benefit, bonus, incentive, deferred compensation, stock option (or
other equity-based), severance, change in control, welfare (including
post-retirement medical and life insurance) and fringe benefit plans, whether or
not subject to ERISA and whether written or oral, sponsored, maintained or
contributed to or required to be contributed to by PPC or any of its
Subsidiaries, to which PPC or any of its Subsidiaries is a party or in which any
person who is currently, has been or, on or prior to the Effective Time, is
expected to become an employee of PPC (a "PPC Employee") is a participant (the
"PPC Benefit Plans").  Neither PPC, any of its Subsidiaries nor any ERISA
Affiliate thereof has any commitment or formal plan, whether legally binding or
not, to create any additional employee benefit plan or modify or change any
existing PPC Benefit Plan that would affect any PPC Employee.  PPC has
heretofore delivered or made available to Quaker State true and complete copies
of each PPC Benefit Plan and any amendments thereto (or if the plan is not a
written plan, a description thereof), any related trust or other funding
vehicle, any reports or summaries required under ERISA or the Code and the most
recent determination letter received from the IRS with respect to each such plan
intended to qualify under Section 401 of the Code.

          (b)  No liability under Title IV (including, without limitation,
Sections 4069 and 4212(c) of ERISA) or Section 302 of ERISA has been incurred by
PPC, any of its Subsidiaries or any ERISA Affiliate thereof that has not been
satisfied in full, and no condition exists that presents a material risk to PPC,
any of its Subsidiaries or any ERISA Affiliate thereof of incurring any such
liability, other than liability for premiums due the PBGC (which premiums have
been paid when due).  Except as set forth on Section 4.13(b) of the PPC
Disclosure Schedule, the present value of accrued benefits under each PPC
Benefit Plan that is subject to Title IV of ERISA, determined based upon the
actuarial assumptions used for funding purposes in the most recent actuarial
report prepared by such plan's actuary with respect to such plan, did not
exceed, as of its latest valuation date, the then current value of the assets of
such plan allocable to such accrued benefits.


                                         -25-
<PAGE>

          (c)  Except as set forth on Section 4.13(c) of the PPC Disclosure
Schedule, (i) no PPC Benefit Plan is a "multiemployer pension plan," as defined
in Section 3(37) of ERISA, and (ii) none of PPC, any of its Subsidiaries or any
ERISA Affiliate has made or suffered a "complete withdrawal" or a "partial
withdrawal," as such terms are respectively defined in Sections 4203 and 4205 of
ERISA, which has not been satisfied in full.

          (d)  Except as set forth in Section 4.13(d) of the PPC Disclosure
Schedule, each PPC Benefit Plan has been operated and administered in all
material respects in accordance with its terms and applicable law, including,
but not limited to, ERISA and the Code.  All contributions required to be made
with respect to any PPC Benefit Plan have been timely made.  There are no
pending or, to the knowledge of PPC or Pennzoil, threatened claims by, on behalf
of or against any of the PPC Benefit Plans or any assets thereof, other than
routine benefit claim matters, that, if adversely determined could, individually
or in the aggregate, result in a material liability for PPC or any of its
Subsidiaries and no matter is pending (other than routine qualification
determination filings, copies of which have been furnished to Quaker State or
will be promptly furnished to Quaker State when made) with respect to any of the
PPC Benefit Plans before the IRS, the United States Department of Labor or the
PBGC.

          (e)  Each PPC Benefit Plan intended to be "qualified" within the
meaning of Section 401(a) of the Code is so qualified and the trusts maintained
thereunder are exempt from taxation under Section 501(a) of the Code, each trust
maintained under any PPC Benefit Plan intended to satisfy the requirements of
Section 501(c)(9) of the Code has satisfied such requirements and, in either
such case, no event has occurred or condition is known to exist that would
reasonably be expected to adversely affect such tax-qualified status for any
such PPC Benefit Plan or any such trust.

          (f)  Except as set forth in Section 4.13(f) of the PPC Disclosure
Schedule, no PPC Benefit Plan provides medical, surgical, hospitalization, death
or similar benefits (whether or not insured) for employees or former employees
of PPC or any Subsidiary of PPC for periods extending beyond their retirement or
other termination of service, other than (i) coverage mandated by applicable
law, (ii) death benefits under any "pension plan," or (iii) benefits the full
cost of which is borne by the current or former employee (or his beneficiary).

          4.14 LABOR MATTERS.  Except as set forth in Section 4.14 of the PPC
Disclosure Schedule, neither PPC nor any of its Subsidiaries is a party to, or
bound by, any collective bargaining agreement or other Contract with a labor
union or labor organization, nor is PPC or any of its Subsidiaries the subject
of any proceeding asserting that PPC or any of its Subsidiaries has committed an
unfair labor practice or is seeking to compel it to bargain with any labor
organization as to wages or conditions of employment nor is there any strike,
work stoppage or other labor dispute involving PPC or any of its Subsidiaries
pending or, to the best of PPC's or Pennzoil's knowledge, threatened, that,
individually or in the aggregate, would be reasonably likely to have a Material
Adverse Effect on PPC.  There are no labor controversies pending or, to the best
of PPC's or Pennzoil's knowledge, threatened against PPC or any of its
Subsidiaries that, individually or in the


                                         -26-
<PAGE>

aggregate, would be reasonably likely to have a Material Adverse Effect on PPC. 
Except as set forth in Section 4.14 of the PPC Disclosure Schedule, since
January 1, 1996, there have been no claims initiated by any labor organization
to represent any employees of PPC not currently represented by a labor
organization.

          4.15 INTELLECTUAL PROPERTY MATTERS.  PPC and its Subsidiaries own or
possess adequate licenses or other valid rights to use all patents, patent
rights, trademarks, trademark rights, trade names, trade name rights,
copyrights, service marks, trade secrets, applications for trademarks and
service marks, know-how and other proprietary rights and information used or
held for use in connection with the business of PPC and its Subsidiaries as
currently conducted or as proposed to be conducted immediately after the
Effective Time (including in connection with services provided by PPC and its
Subsidiaries to third parties), except where the failure to own or possess such
items, individually or in the aggregate, would not be reasonably likely to have
a Material Adverse Effect on PPC.  To the best of Pennzoil's or PPC's knowledge,
there is no assertion or claim challenging the validity of any of the foregoing
that, individually or in the aggregate, would be reasonably likely to have a
Material Adverse Effect on PPC.  The conduct of the business of PPC and its
Subsidiaries as currently conducted or as proposed to be conducted immediately
after the Effective Time does not conflict in any way with any patent, patent
right, license, trademark, trademark right, trade name, trade name right,
copyright, service mark, trade secret, know-how or other proprietary rights or
information of any third party that, individually or in the aggregate, would be
reasonably likely to have a Material Adverse Effect on PPC.  To the best of
Pennzoil's or PPC's knowledge, there are no infringements of any proprietary
rights owned by or licensed by or to PPC or any PPC Subsidiary that,
individually or in the aggregate, would be reasonably likely to have a Material
Adverse Effect on PPC.

          4.16 MATERIAL CONTRACT DEFAULTS.  Neither Pennzoil, PPC nor any of
their respective Subsidiaries is in default in any respect under any Contract to
which it or any of its Subsidiaries is a party or by which it or any such
Subsidiary is bound, which default, individually or in the aggregate, would be
reasonably likely to have a Material Adverse Effect on PPC, and there has not
occurred any event that, with the lapse of time or the giving of notice or both,
would constitute such a default.

          4.17 BROKERS OR FINDERS.  Except as set forth in Section 4.17 of the
PPC Disclosure Schedule (which includes a description of any amounts payable),
no agent, broker, investment banker, financial advisor or other similar Person
is or will be entitled, by reason of any agreement, act or statement by
Pennzoil, PPC or any of their respective Subsidiaries, directors, officers or
employees, to any financial advisory, broker's, finder's or similar fee or
commission, to reimbursement of expenses or to indemnification or contribution
in connection with any of the transactions contemplated by this Agreement or any
other Transaction Agreement.

          4.18 CERTAIN BOARD FINDINGS.  The Board of Directors of PPC, at a
meeting duly called and held, (i) has approved this Agreement and the other
Transaction Agreements and (ii) has


                                         -27-
<PAGE>

determined that the Transaction Agreements and the transactions contemplated
hereby and thereby, taken together, are fair to, and in the best interests of,
PPC and the holder of its capital stock.

          4.19 VOTE REQUIRED.  The only vote of stockholders of PPC required
under any of the DGCL, the NYSE rules or PPC's Certificate of Incorporation and
Bylaws to approve the transactions contemplated by the Transaction Agreements,
including, without limitation, to consummate the Merger, to issue PPC Common
Stock to the stockholders of Quaker State pursuant to the Merger and to amend
the Certificate of Incorporation of PPC to change the name of PPC is the
affirmative vote of the sole holder of the outstanding shares of PPC Common
Stock prior to the Distribution Date.

          4.20 STOCKHOLDER APPROVAL.  As of the date hereof, the sole
stockholder of PPC is Pennzoil.  Immediately after execution of this Agreement,
Pennzoil will deliver to PPC a written consent of PPC's sole stockholder in
compliance with Section 228 of the DGCL with respect to all aspects of the
Transaction Agreements and the transactions contemplated hereby and thereby
which require the consent of PPC's stockholders under the DGCL, the NYSE rules,
PPC's Certificate of Incorporation or PPC's bylaws.  The approval of Pennzoil's
stockholders is not required to effect the transactions contemplated by the
Distribution Agreement, this Agreement, including, without limitation, the
Distribution  and the Merger, or any other Transaction Agreement.  Upon delivery
of such written consent, the approval of PPC's stockholders after the
Distribution Date will not be required to effect the transactions contemplated
by the Merger Agreement, including, without limitation, the Merger, unless this
Agreement is amended in accordance with Section 251(d) of the DGCL after the
Distribution Date and such approval is required, solely as a result of such
amendment, under the DGCL, the NYSE rules, PPC's Certificate of Incorporation or
PPC's Bylaws or by the IRS.

          4.21 CERTAIN PAYMENTS.  Except as disclosed in Section 4.21 of the PPC
Disclosure Schedule and except as contemplated by the other Transaction
Agreements, no PPC Benefit Plan or employment arrangement, no similar plan or
arrangement sponsored or maintained by Pennzoil in which any PPC Employee is a
participant and no contractual arrangements between PPC and any third party
exists that could result in the payment to any current, former or future
director, officer, shareholder or employee of PPC or any of its Subsidiaries, or
of any entity the assets or capital stock of which have been acquired by PPC or
a PPC Subsidiary, of any money or other property or rights or accelerate or
provide any other rights or benefits to any such individual as a result of the
consummation of the transactions contemplated by the Transaction Agreements
(including the Distribution), whether or not (a) such payment, acceleration or
provision would constitute a "parachute payment" (within the meaning of Section
280G of the Code) or (b) some other subsequent action or event would be required
to cause such payment, acceleration or provision to be triggered.

          4.22 JOINT VENTURES.  PPC is a party to the joint venture agreements
listed in Section 4.22 of the PPC Disclosure Schedule (the "JV Agreements"). 
Each of the JV Agreements is in full force and effect and, to the knowledge of
Pennzoil and PPC, enforceable against the other


                                         -28-
<PAGE>

party or parties thereto (except insofar as such enforceability may be limited
by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws
affecting creditors' rights generally, or by principles governing the
availability of equitable remedies).  The PPC Financial Statements and the Pro
Forma Financial Statements accurately reflect and will accurately reflect in all
material respects all assets and liabilities of PPC under the JV Agreements.  No
consent from any party to any JV Agreement is required thereunder to consummate
the transactions contemplated by any of the Transaction Agreements.  None of the
other parties to any of the JV Agreements has any right, or shall have any right
as a result of the execution, delivery or performance of this Agreement or the
other Transaction Agreements or the consummation of the transactions
contemplated hereby or thereby, to purchase any of PPC's interest in any joint
venture listed in Section 4.22 of the PPC Disclosure Schedule or to terminate
any JV Agreement.

          4.23 REINCORPORATION.  In March 1998, PPC was "reincorporated" in
Delaware by (i) Pennzoil Products Company, a Nevada corporation ("PPC -
Nevada"), forming a wholly owned Delaware subsidiary ("PPC - Delaware"),
(ii) PPC - Nevada merging into PPC - Delaware, with PPC - Delaware being the
surviving corporation, and (iii) PPC - Delaware thereafter changing its name to
Pennzoil Products Company (the "Reincorporation").  The Reincorporation of PPC
in Delaware was consummated in accordance with the DGCL and all applicable
provisions of Nevada corporate law.  The Reincorporation was duly authorized by
all requisite corporate action on the part of PPC.  All consents under any
Contract to which PPC or any of its Subsidiaries was then a party and all
governmental consents, approvals, authorizations, permits, declarations, filings
or notifications necessary to consummate the Reincorporation were duly obtained
or made, except where the failure to so obtain or make, individually or in the
aggregate, would not be reasonably likely to have a Material Adverse Effect on
PPC.

          4.24 ASSETS.  Except as set forth in Section 4.24 of the PPC
Disclosure Schedule, after giving effect to the transactions described in or
contemplated by the Distribution Agreement, PPC, together with its Subsidiaries,
will own all PPC Assets.  Section 4.24 of the PPC Disclosure Schedule lists all
services currently provided to PPC or any PPC Subsidiary by Pennzoil or any of
its Affiliates.  Each of PPC and Pennzoil and their respective Subsidiaries (as
the case may be) has maintained all the PPC Assets in working order and
operating condition, subject only to ordinary wear and tear, and all PPC Assets
are adequate and suitable in all material respects for the purposes for which
they are presently being used.  The PPC Assets constitute all the assets,
properties and rights related to or required for the conduct of the PPC Business
except for the services to be provided pursuant to the Transition Services
Agreement.

          4.25 FRANCHISING MATTERS.  Each of PPC and its Subsidiaries has made
or caused to be made all required federal and state filings relating to its
franchising arrangements, and neither PPC nor any of its Subsidiaries has
received notice from any Governmental Authority alleging that any information
given to franchisees or prospective franchisees (including franchising
circulars) fails to comply with applicable law, except where any such failure,
individually or in the aggregate, would not be reasonably likely to have a
Material Adverse Effect on PPC.


                                         -29-
<PAGE>

          4.26 LOANS.  Section 4.26 of the PPC Disclosure Schedule sets forth
each currently outstanding loan exceeding $100,000 in principal amount made by
PPC or any of its Subsidiaries to any Person.

                                      ARTICLE 5

                    REPRESENTATIONS AND WARRANTIES OF QUAKER STATE

          Quaker State represents and warrants to and agrees with PPC that,
except as otherwise set forth in the Quaker State SEC Documents:

          5.1  ORGANIZATION, QUALIFICATION, ETC.  Quaker State is a corporation
duly organized, validly existing and in good standing under the laws of the
State of Delaware, has all requisite power and authority to own, lease and
operate its properties and assets and to carry on its business as presently
conducted and is duly qualified and licensed to do business and is in good
standing in each jurisdiction in which the ownership or leasing of its property
or the conduct of its business requires such qualification, except for
jurisdictions in which the failure to be so qualified or to be in good standing,
individually or in the aggregate, would not be reasonably likely to have a
Material Adverse Effect on Quaker State.  The copies of the Quaker State
Certificate of Incorporation and Bylaws included as part of Section 5.1 of the
Quaker State Disclosure Schedule are complete and correct and in full force and
effect on the date hereof.  Each of Quaker State's Significant Subsidiaries is a
corporation or (as indicated in Section 5.1 of the Quaker State Disclosure
Schedule) other legal entity duly organized, validly existing and, to the extent
such concept or similar concept exists in the relevant jurisdiction, in good
standing under the laws of the state or other jurisdiction of its incorporation
or other organization, has all requisite power and authority to own, lease and
operate its properties and assets and to carry on its business as presently
conducted, and is duly qualified and licensed to do business and is in good
standing in each jurisdiction in which the ownership or leasing of its property
or the conduct of its business requires such qualification, except for
jurisdictions in which the failure to be so qualified or to be in good standing,
individually or in the aggregate, would not be reasonably likely to have a
Material Adverse Effect on Quaker State.  All of the Subsidiaries of Quaker
State and their respective jurisdictions of incorporation or organization
(together with a designation of those Subsidiaries constituting Significant
Subsidiaries of Quaker State) are identified in Section 5.1 of the Quaker State
Disclosure Schedule.

          5.2  CAPITAL STOCK AND OTHER MATTERS.  The authorized capital stock of
Quaker State consists of 95,000,000 shares of Quaker State Capital Stock.  At
the close of business on April 10, 1998, (i) 36,391,725 shares of Quaker State
Capital Stock were issued and outstanding, 5,549,848 shares of Quaker State
Capital Stock were reserved for issuance pursuant to the Quaker State Stock
Plans and options to purchase 4,162,773 shares of Quaker State Capital Stock
were outstanding, (ii) 1,709,956 shares of Quaker State Capital Stock were held
by Quaker State in its treasury or by its Subsidiaries; and (iii) no bonds,
debentures, notes or other indebtedness of Quaker State or any of its
Subsidiaries having the right to vote (or convertible into securities having the
right to vote) on any matters on which holders of shares of capital stock of
Quaker State may


                                         -30-
<PAGE>

vote ("Quaker State Voting Debt") were issued or outstanding.  All of the issued
and outstanding shares of Quaker State capital stock are validly issued, fully
paid and nonassessable and are not subject to preemptive rights.  Except as set
forth in this Section 5.2, there are not outstanding (i) any shares of capital
stock, Quaker State Voting Debt or other voting securities of Quaker State,
(ii) except for the Quaker State Rights, any securities of Quaker State or any
of its Subsidiaries convertible into or exchangeable for shares of capital
stock, Quaker State Voting Debt or other voting securities of Quaker State or
(iii) except as specified in Section 5.2 of the Quaker State Disclosure Schedule
and except for the Quaker State Rights, any options, warrants, calls, rights
(including preemptive rights), commitments or other Contracts to which Quaker
State or any of its Subsidiaries is a party or by which Quaker State or any of
its Subsidiaries is bound obligating Quaker State or any of its Subsidiaries to
issue, deliver, sell, purchase, redeem or acquire, or cause to be issued,
delivered, sold, purchased, redeemed or acquired, or otherwise relating to,
shares of capital stock or any Quaker State Voting Debt or other voting
securities of Quaker State or any of its Subsidiaries or obligating Quaker State
or any of its Subsidiaries to grant, extend or enter into any such option,
warrant, call, right, commitment or Contract.  Except as set forth in Section
5.2 of the Quaker State Disclosure Schedule, there are no stockholder
agreements, voting trusts or other Contracts to which Quaker State is a party or
by which it is bound relating to the voting or transfer of any shares of capital
stock of Quaker State.

          5.3  CORPORATE AUTHORITY; NO VIOLATION.  Quaker State has the
corporate power and authority to enter into this Agreement and, subject to
obtaining the Requisite Approval, to carry out its obligations hereunder.  The
execution, delivery and performance by Quaker State of this Agreement and the
consummation of the transactions contemplated hereby have been duly authorized
by all requisite corporate action on the part of Quaker State, subject to
obtaining the Requisite Approval.  This Agreement has been duly executed and
delivered by Quaker State and constitutes a legal, valid and binding agreement
of Quaker State, enforceable against Quaker State in accordance with its terms
(except insofar as such enforceability may be limited by applicable bankruptcy,
insolvency, reorganization, moratorium or similar laws affecting creditors'
rights generally, or by principles governing the availability of equitable
remedies).  None of the execution and delivery by Quaker State of this
Agreement, the consummation by Quaker State of the transactions contemplated
hereby or compliance by Quaker State with any of the provisions hereof will (a)
violate or conflict with any provision of Quaker State's Certificate of
Incorporation or Bylaws; (b) require any consent, approval, authorization or
permit of, registration, declaration or filing with, or notification to, any
Governmental Authority or any other Person, except (i) as set forth in Section
5.3 of the Quaker State Disclosure Schedule or (ii) where the failure to so
obtain, make or file such consents, approvals, authorizations, permits,
registrations, declarations, filings or notifications, individually or in the
aggregate, would not be reasonably likely to have a Material Adverse Effect on
Quaker State; (c) result in a default (or an event that, with notice or lapse of
time or both, would become a default) or give rise to any right of termination
or buy-out by any third party, cancellation, amendment or acceleration of any
obligation or the loss of any benefit under any Contract to which Quaker State
or any of its Subsidiaries is a party, by which Quaker State or any of its
Subsidiaries or any of their respective assets or properties is bound or
affected, except (i) as set forth in Section 5.3 of the Quaker State Disclosure
Schedule or (ii) for any such defaults,


                                         -31-
<PAGE>

terminations, cancellations, amendments, accelerations or losses that,
individually or in the aggregate, would not be reasonably likely to have a
Material Adverse Effect on Quaker State; (d) result in the creation of a lien,
pledge, security interest, claim or other encumbrance on any of the issued and
outstanding shares of Quaker State Capital Stock or on any of the assets of
Quaker State or its Subsidiaries pursuant to any Contract to which Quaker State
or any of its Subsidiaries is a party or by which Quaker State or any of its
Subsidiaries or any of the assets of Quaker State or its Subsidiaries is bound
or affected except (i) as set forth in Section 5.3 of the Quaker State
Disclosure Schedule or (ii) for any such liens, pledges, security interests,
claims or encumbrances which, individually or in the aggregate would not be
reasonably likely to have a Material Adverse Effect on Quaker State; or (e)
violate or conflict with any order, writ, injunction, decree, law, ordinance,
rule or regulation applicable to Quaker State or any of its Subsidiaries, or any
of the properties, businesses or assets of any of the foregoing, except (i) as
set forth in Section 5.3 of the Quaker State Disclosure Schedule or (ii)
violations and conflicts that, individually or in the aggregate, would not be
reasonably likely to have a Material Adverse Effect on Quaker State.  Section
5.3 of the Quaker State Disclosure Schedule identifies all consents, approvals
and authorizations of any Governmental Authority that are legally required to be
obtained by Quaker State for the consummation of the transactions contemplated
by this Agreement.

          5.4  QUAKER STATE REPORTS AND FINANCIAL STATEMENTS.  Quaker State has
previously made available to PPC complete and correct copies of:

          (a)  Quaker State's Annual Reports on Form 10-K filed with the SEC
under the Exchange Act for each of the years ended December 31, 1996 and 1997;

          (b)  Quaker State's Quarterly Reports on Form 10-Q filed with the SEC
under the Exchange Act for the quarters ended March 31, 1997, June 30, 1997 and
September 30, 1997;

          (c)  each definitive proxy statement filed by Quaker State with the
SEC under the Exchange Act since January 1, 1996; 

          (d)  all current reports on Form 8-K filed by Quaker State with the
SEC under the Exchange Act since January 1, 1996; and

          (e)  each other form, report, schedule, registration statement and
definitive proxy statement filed by Quaker State or any of its Subsidiaries with
the SEC since January 1, 1996 (collectively, and together with the items
specified in clauses (a) through (d) above, the "Quaker State SEC Documents").

          As of their respective dates, the Quaker State SEC Documents complied
in all material respects with the requirements of the Securities Act or the
Exchange Act, as the case may be, and none of such Quaker State SEC Documents
when filed contained an untrue statement of a material fact or omitted to state
a material fact required to be stated therein or necessary to make the
statements therein, in the light of the circumstances under which they were
made, not misleading.


                                         -32-
<PAGE>

The audited consolidated financial statements and unaudited consolidated interim
financial statements included in the Quaker State SEC Documents (including any
related notes and schedules) fairly present in all material respects the
financial position of Quaker State and its consolidated Subsidiaries as of the
dates thereof and the results of operations and changes in financial position or
other information included therein for the periods or as of the dates then
ended, subject, where appropriate, to normal year-end audit adjustments, in each
case in accordance with past practice and GAAP during the periods involved
(except as otherwise stated therein).  Since January 1, 1997, Quaker State has
timely filed all reports, registration statements and other filings required to
be filed with the SEC under the rules and regulations of the SEC.  Except as set
forth in the Quaker State SEC Documents or Section 5.4 of the Quaker State
Disclosure Schedule, Quaker State and its Subsidiaries do not have any liability
or obligation of any nature (whether accrued, absolute, contingent or otherwise)
other than (i) liabilities incurred in the ordinary course of business since
December 31, 1997 or (ii) liabilities and obligations that, individually or in
the aggregate (together with those described in clause (i)), would not be
reasonably likely to have a Material Adverse Effect on Quaker State.

          5.5  ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except as specifically
contemplated by this Agreement or as set forth in Section 5.5 of the Quaker
State Disclosure Schedule, since December 31, 1997 (a) there has not been,
occurred or arisen any change in, or any event (including any damage,
destruction or loss whether or not covered by insurance), condition or state of
facts of any character that, individually or in the aggregate, would be
reasonably likely to have a Material Adverse Effect on Quaker State whether or
not arising in the ordinary course of business and (b) neither Quaker State nor
any of its Subsidiaries has taken or failed to take any action the taking of
which or failure of which to take, as the case may be, would have violated the
provisions of Section 6.1 if they had then been applicable to Quaker State and
its Subsidiaries during such period other than as a result of the announcement
of the transactions contemplated by this Agreement.

          5.6  INVESTIGATIONS; LITIGATION.

          (a)  No investigation or review by any Governmental Authority with
respect to Quaker State or any of its Subsidiaries is pending, or to the best of
Quaker State's knowledge, threatened, nor has any Governmental Authority
indicated to Quaker State or any of its Subsidiaries an intention to conduct the
same, except (i) as set forth in Section 5.6(a) of the Quaker State Disclosure
Schedule and (ii) with respect to such investigations and reviews the outcome of
which, individually or in the aggregate, would not be reasonably likely to have
a Material Adverse Effect on Quaker State.

          (b)  Except as set forth in Section 5.6(b) of the Quaker State
Disclosure Schedule, there is no action, suit or proceeding pending or, to the
best of Quaker State's knowledge, threatened against or affecting Quaker State
or any of its Subsidiaries at law or in equity, or before any Governmental
Authority, that, if adversely determined, individually or in the aggregate,
would be reasonably likely to have a Material Adverse Effect on Quaker State. 
There is no judgment, decree, injunction, rule or order of any Governmental
Authority or arbitrator outstanding against Quaker


                                         -33-
<PAGE>

State or any of its Subsidiaries that, individually or in the aggregate, would
be reasonably likely to have a Material Adverse Effect on Quaker State.

          5.7  LICENSES; COMPLIANCE WITH LAWS.  Quaker State and its
Subsidiaries hold all Licenses that are required for the conduct of the
businesses of Quaker State and its Subsidiaries, taken as a whole, as presently
conducted and as proposed to be conducted, except such Licenses for which the
failure to so hold, individually or in the aggregate, would not be reasonably
likely to have a Material Adverse Effect on Quaker State.  Quaker State and its
Subsidiaries are in compliance with the terms of all such Licenses so held,
except where the failure so to comply, individually or in the aggregate, would
not be reasonably likely to have a Material Adverse Effect on Quaker State. 
Quaker State and its Subsidiaries are in compliance with all, and have received
no notice of any violation (as yet unremedied) of any, laws, ordinances or
regulations of any Governmental Authority applicable to any of them or their
respective operations the noncompliance with which, individually or in the
aggregate, would be reasonably likely to have a Material Adverse Effect on
Quaker State.

          5.8  PROXY STATEMENT/PROSPECTUS; REGISTRATION STATEMENT.  None of the
information regarding Quaker State or its Subsidiaries or the transactions
contemplated by this Agreement provided by Quaker State specifically for
inclusion in, or incorporation by reference into, the Proxy Statement/Prospectus
or the Registration Statements will, in the case of the definitive Proxy
Statement/Prospectus or any amendment or supplement thereto, at the time of the
mailing of the Proxy Statement/Prospectus and any amendment or supplement
thereto, and at the time of the Quaker State Stockholders Meeting, or, in the
case of each Registration Statement, at the time it becomes effective and at the
time of the Quaker State Stockholders Meeting, contain an untrue statement of a
material fact or omit to state any material fact required to be stated therein
or necessary in order to make the statements therein, in the light of the
circumstances under which they are made, not misleading.  

          5.9  INFORMATION SUPPLIED.  All documents that Quaker State is
responsible for filing with any Governmental Authority in connection with the
transactions contemplated hereby or by any other Transaction Agreement will
comply in all material respects with the provisions of applicable law.  All
information supplied or to be supplied by Quaker State in any document filed
with any Governmental Authority in connection with the transactions contemplated
hereby or by any other Transaction Agreement will be, at the time of filing and
at the Effective Time, true and correct in all material respects, except where
the failure to be true and correct, individually or in the aggregate, would not
be reasonably likely to have a Material Adverse Effect on Quaker State.

          5.10 ENVIRONMENTAL MATTERS.  Except as set forth in Section 5.10 of
the Quaker State Disclosure Schedule:

          (a)  Each of Quaker State and its Subsidiaries has obtained all
licenses, permits and other authorizations under Environmental Laws required for
the conduct and operation of its business and is in compliance and at all times
has been in compliance with the terms and conditions contained therein, and is
in compliance and at all times has been in compliance with all applicable


                                         -34-
<PAGE>

Environmental Laws, except where the failure to obtain such licenses, permits
and other authorizations, the non-compliance with the terms and conditions
contained therein or the non-compliance with other provisions of applicable
Environmental Laws would not, individually or in the aggregate, create a
Material Adverse Effect on Quaker State.

          (b)  Each of Quaker State and its Subsidiaries is not subject to any
environmental indemnification obligation regarding businesses formerly owned or
operated by Quaker State or regarding properties formerly owned or leased by
Quaker State except for indemnification obligations that would not, individually
or in the aggregate, create a Material Adverse Effect on Quaker State.

          (c)  There is no condition on, at or under any property (including,
without limitation, the air soil and ground water) currently or formerly owned,
leased or used by Quaker State or any of its Subsidiaries or created by Quaker
State's or any Quaker State Subsidiary's operations that would create liability
for Quaker State under applicable Environmental Laws, except for liability that
would not, individually or in the aggregate, create a Material Adverse Effect on
Quaker State.

          (d)  There are no past or present actions, activities, circumstances,
events or incidents (including but not limited to the release, emission,
discharge, presence or disposal of any Hazardous Material) that are reasonably
likely to form the basis of a claim under Environmental Laws that, individually
or in the aggregate, would create a Material Adverse Effect on Quaker State.

          (e)  Quaker State has made available to PPC all material site
assessments, compliance audits, and other similar studies in its possession,
custody or control relating to (i) the environmental conditions on, under or
about the properties or assets currently or formerly owned, leased, operated or
used by Quaker State, any of its Subsidiaries or any predecessor in interest
thereto and (ii) any Hazardous Materials used, managed, handled, transported,
treated, generated, stored, discharged, emitted, or otherwise released by Quaker
State, any of its Subsidiaries or any other person on, under, about or from any
of the properties currently or formerly owned or leased, or otherwise in
connection with the use or operation of any of the properties owned or leased,
or otherwise in connection with the use or operation of any of the properties
and assets of Quaker State or any of its Subsidiaries, or their respective
businesses and operations.

          5.11 TAX MATTERS.

          (a)  Except as set forth in Section 5.11 of the Quaker State
Disclosure Schedule, (i) all material Returns relating to Quaker State and the
Quaker State Subsidiaries required to be filed have been filed, (ii) all such
Returns are true and correct in all material respects, (iii) all Taxes shown as
due and payable on such Returns, and all material Taxes (whether or not
reflected on such Returns) relating to Quaker State or any Quaker State
Subsidiary required to be paid, have been paid, (iv) all Taxes relating to
Quaker State and the Quaker State Subsidiaries for any taxable period (or a
portion thereof) beginning on or prior to the date of the Closing (which are not
yet due and


                                         -35-
<PAGE>

payable) have been properly reserved for in the books and records of Quaker
State, and (v) Quaker State and the Quaker State Subsidiaries have duly and
timely withheld all material Taxes required to be withheld and such withheld
Taxes have been either duly and timely paid to the proper Governmental Authority
or properly set aside in accounts for such purpose and will be duly and timely
paid to the proper Governmental Authority.

          (b)  Except as set forth in Section 5.11 of the Quaker State
Disclosure Schedule, no written agreement or other written document waiving or
extending, or having the effect of waiving or extending, the statute of
limitations or the period of assessment or collection of any Taxes relating to
Quaker State or any Quaker State Subsidiary and no power of attorney with
respect to any such Taxes has been filed or entered into with any Governmental
Authority.  The time for filing any Return relating to Quaker State has not been
extended to a date later than the date of this Agreement.

          (c)  Except as set forth in Section 5.11 of the Quaker State
Disclosure Schedule, (i) no audits or other administrative proceedings or court
proceedings are presently pending with regard to any Taxes or Return of Quaker
State or any Quaker State Subsidiary as to which any taxing authority has
asserted in writing any claim which, if adversely determined, would have a
Material Adverse Effect on Quaker State, and (ii) no Governmental Authority is
now asserting in writing any deficiency or claim for Taxes or any adjustment to
Taxes with respect to which Quaker State or any Quaker State Subsidiary may be
liable with respect to income and other Material Taxes which have not been fully
paid or finally settled.

          (d)  Except as set forth in Section 5.11 of the Quaker State
Disclosure Schedule, none of Quaker State or any Quaker State Subsidiary (i) is
a party to or bound by or has any obligation under any written Tax Separation,
sharing or similar agreement or arrangement, (ii) is or has been a member of any
consolidated, combined or unitary group for purposes of filing Returns or paying
Taxes or (iii) has entered into a closing agreement pursuant to Section 7121 of
the Code, or any predecessor provision or any similar provision of state or
local law.

          (e)  Except as set forth in Section 5.11 of the Quaker State
Disclosure Schedule, none of the assets of Quaker State or any of its
Subsidiaries are subject to any Tax lien (other than liens for Taxes that are
not yet due or that are being contested in good faith by appropriate proceedings
and which have been properly reserved for in the books and records of Quaker
State).

          5.12 BENEFIT PLANS.

          (a)  Section 5.12(a) of the Quaker State Disclosure Schedule lists
each "employee benefit plan" (as defined in Section 3(3) of ERISA), and all
other employee benefit, bonus, incentive, deferred compensation, stock option
(or other equity-based), severance, change in control, welfare (including
post-retirement medical and life insurance) and fringe benefit plans, whether or
not subject to ERISA and whether written or oral, sponsored, maintained or
contributed to or required to be contributed to by Quaker State or any of its
Subsidiaries, to which Quaker State or any of its Subsidiaries is a party or in
which any person who is currently, has been or, prior to the Effective


                                         -36-
<PAGE>

Time, is expected to become an employee of Quaker State (a "Quaker State
Employee") is a participant (the "Quaker State Benefit Plans").  Neither Quaker
State, any of its Subsidiaries nor any ERISA Affiliate thereof has any
commitment or formal plan, whether legally binding or not, to create any
additional employee benefit plan or modify or change any existing Quaker State
Benefit Plan that would affect any Quaker State Employee.  Quaker State has
heretofore delivered or made available to Pennzoil and PPC true and complete
copies of each Quaker State Benefit Plan and any amendments thereto (or if the
plan is not a written plan, a description thereof), any related trust or other
funding vehicle, any reports or summaries required under ERISA or the Code and
the most recent determination letter received from the IRS with respect to each
such plan intended to qualify under Section 401 of the Code. 

          (b)  No liability under Title IV (including, without limitation,
Sections 4069 and 4212(c) of ERISA) or Section 302 of ERISA has been incurred by
Quaker State or any ERISA Affiliate thereof that has not been satisfied in full,
and no condition exists that presents a material risk to Quaker State, any of
its Subsidiaries or any ERISA Affiliate thereof of incurring any such liability,
other than liability for premiums due the PBGC (which premiums have been paid
when due).  Except as set forth on Section 5.12(b) of the Quaker State
Disclosure Schedule, the present value of accrued benefits under each Quaker
State Benefit Plan that is subject to Title IV of ERISA, determined based upon
the actuarial assumptions used for funding purposes in the most recent actuarial
report prepared by such plan's actuary with respect to such plan, did not
exceed, as of its latest valuation date, the then current value of the assets of
such plan allocable to such accrued benefits.

          (c)  Except as set forth on Section 5.12(c) of the Quaker State
Disclosure Schedule, (i) no Quaker State Benefit Plan is a "multiemployer
pension plan, " as defined in Section 3(37) of ERISA and (ii) none of Quaker
State, any of its Subsidiaries or any ERISA Affiliate thereof has made or
suffered a "complete withdrawal" or a "partial withdrawal," as such terms are
respectively defined in Sections 4203 and 4205 of ERISA, which has not been
satisfied in full.

          (d)  Except as set forth in Section 5.12(d) of the Quaker State
Disclosure Schedule, each Quaker State Benefit Plan has been operated and
administered in all material respects in accordance with its terms and
applicable law, including, but not limited to, ERISA and the Code.  All
contributions required to be made with respect to any Quaker State Benefit Plan
have been timely made.  There are no pending or, to the knowledge of Quaker
State, threatened claims by, on behalf of or against any of the Quaker State
Benefit Plans or any assets thereof, other than routine benefit claim matters,
that, if adversely determined could, individually or in the aggregate, result in
a material liability for Quaker State or any of its Subsidiaries and no matter
is pending (other than routine qualification determination filings, copies of
which have been furnished to the Pennzoil and PPC or will be promptly furnished
to the Pennzoil and PPC when made) with respect to any of the Quaker State
Benefit Plans before the IRS, the United States Department of Labor or the PBGC.

          (e)  Each Quaker State Benefit Plan intended to be "qualified" within
the meaning of Section 401 (a) of the Code is so qualified and the trusts
maintained thereunder are


                                         -37-
<PAGE>

exempt from taxation under Section 501(a) of the Code, each trust maintained
under any Quaker State Benefit Plan intended to satisfy the requirements of
Section 501(c)(9) of the Code has satisfied such requirements and, in either
such case, no event has occurred or condition is known to exist that would
reasonably be expected to adversely affect such tax-qualified status for any
such Quaker State Benefit Plan or any such trust.

          (f)  Except as set forth in Section 5.12(f) of the Quaker State
Disclosure Schedule, no Quaker State Benefit Plan provides medical, surgical,
hospitalization, death or similar benefits (whether or not insured) for
employees or former employees of Quaker State or any Quaker State Subsidiary for
periods extending beyond their retirement or other termination of service, other
than (i) coverage mandated by applicable law, (ii) death benefits under any
"pension plan," or (iii) benefits the full cost of which is borne by the current
or former employee (or his beneficiary).  Quaker State has the right, and will
have the right after the Effective Time to terminate any Quaker State Plan or to
amend any such Quaker State Plan to reduce future benefits, (including, without
limitation, any Quaker State Plan that provides post-retirement medical and life
insurance benefits) without incurring or otherwise being responsible for any
material liability with respect thereto.

          (g)  Quaker State's defined benefit pension plans listed in Section
5.12(g) of the Quaker State Disclosure Schedule have been amended to eliminate
any provisions that relate to a change in control of Quaker State.  Quaker
State's Rabbi Trust listed in Schedule 5.12(g) of the Quaker State Disclosure
Schedule will require the provision of a letter of credit in connection with a
change in control of Quaker State in an amount not to exceed the amount set
forth on Schedule 5.12(g).

          5.13 LABOR MATTERS.  Except as set forth in Section 5.13 of the Quaker
State Disclosure Schedule, neither Quaker State nor any of its Subsidiaries is a
party to, or bound by, any collective bargaining agreement or other Contract
with a labor union or labor organization, nor is Quaker State or any of its
Subsidiaries the subject of any proceeding asserting that Quaker State or any of
its Subsidiaries has committed an unfair labor practice or is seeking to compel
it to bargain with any labor organization as to wages or conditions of
employment nor is there any strike, work stoppage or other labor dispute
involving Quaker State or any of its Subsidiaries pending or, to the best of
Quaker State's knowledge, threatened, that, individually or in the aggregate,
would be reasonably likely to have a Material Adverse Effect on Quaker State. 
There are no labor controversies pending or, to the best of Quaker State's
knowledge, threatened against Quaker State or any of its Subsidiaries that,
individually or in the aggregate, would be reasonably likely to have a Material
Adverse Effect on Quaker State.  Except as set forth in Section 5.13 of the
Quaker State Disclosure Schedule, since January 1, 1996, there have been no
claims initiated by any labor organization to represent any employees of Quaker
State not currently represented by a labor organization.

          5.14 INTELLECTUAL PROPERTY MATTERS.  Quaker State and its Subsidiaries
own or possess adequate licenses or other valid rights to use all patents,
patent rights, trademarks, trademark rights, trade names, trade name rights,
copyrights, service marks, trade secrets, applications for


                                         -38-
<PAGE>

trademarks and service marks, know-how and other proprietary rights and
information used or held for use in connection with the business of Quaker State
and its Subsidiaries as currently conducted or as proposed to be conducted
immediately after the Effective Time (including in connection with services
provided by Quaker State and its Subsidiaries to third parties), except where
the failure to own or possess such items, individually or in the aggregate,
would not be reasonably likely to have a Material Adverse Effect on Quaker
State.  To the best of Quaker State's knowledge, there is no assertion or claim
challenging the validity of any of the foregoing that, individually or in the
aggregate, would be reasonably likely to have a Material Adverse Effect on
Quaker State.  The conduct of the business of Quaker State and its Subsidiaries
as currently conducted or as proposed to be conducted immediately after the
Effective Time does not conflict in any way with any patent, patent right,
license, trademark, trademark right, trade name, trade name right, copyright,
service mark, trade secret, know-how or other proprietary rights or information
of any third party that, individually or in the aggregate, would be reasonably
likely to have a Material Adverse Effect on Quaker State.  To the best of Quaker
State's knowledge, there are no infringements of any proprietary rights owned by
or licensed by or to Quaker State or any Quaker State Subsidiary that,
individually or in the aggregate, would be reasonably likely to have a Material
Adverse Effect on Quaker State.

          5.15 MATERIAL CONTRACT DEFAULTS.  Neither Quaker State nor any of its
Subsidiaries is in default in any respect under any Contract to which it or any
of its Subsidiaries is a party or by which it or any such Subsidiary is bound
which default, individually or in the aggregate, would be reasonably likely to
have a Material Adverse Effect on Quaker State, and there has not occurred any
event that, with the lapse of time or the giving of notice or both, would
constitute such a default.

          5.16 CERTAIN PAYMENTS.  Except as disclosed in Section 5.16 of the
Quaker State Disclosure Schedule, no Quaker State Benefit Plan or employment
arrangement, and no contractual arrangements between Quaker State and any third
party, exists that could result in the payment to any current, former or future
director, officer, shareholder or employee of Quaker State or any of its
Subsidiaries, or of any entity the assets or capital stock of which have been
acquired by Quaker State or a Quaker State Subsidiary, of any money or other
property or rights or accelerate or provide any other rights or benefits to any
such individual as a result of the consummation of the transactions contemplated
by the Transaction Agreements whether or not (a) such payment, acceleration or
provision would constitute a "parachute payment" (within the meaning of Section
280G of the Code) or (b) some other subsequent action or event would be required
to cause such payment, acceleration or provision to be triggered.

          5.17 OPINION OF QUAKER STATE FINANCIAL ADVISOR.  Quaker State has
received the oral opinions of Goldman, Sachs & Co. and Chase Securities Inc., to
the effect that, as of the date hereof, the Exchange Ratio (as defined in the
opinions) is fair, from a financial point of view, to holders of Quaker State
Common Stock.  Written opinions, dated as of the date hereof, to the same
effect, will be delivered as promptly as practicable to PPC.


                                         -39-
<PAGE>

          5.18 BROKERS OR FINDERS.  Except as set forth in Section 5.18 of the
Quaker State Disclosure Schedule (which includes a description of any amounts
payable), no agent, broker, investment banker, financial advisor or other
similar Person is or will be entitled, by reason of any agreement, act or
statement by Quaker State, or any of its Subsidiaries, directors, officers or
employees, to any financial advisory, broker's, finder's or similar fee or
commission, to reimbursement of expenses or to indemnification or contribution
in connection with any of the transactions contemplated by this Agreement or any
other Transaction Agreement.

          5.19 QUAKER STATE RIGHTS AGREEMENT.  The Board of Directors of Quaker
State has taken all necessary action to amend the Quaker State Rights Agreement
so that (a) the approval, execution or delivery of this Agreement, or the
consummation of any transaction contemplated hereby, will not cause (i) the
rights to purchase shares of Quaker State Capital Stock (the "Quaker State
Rights") issued pursuant to the Quaker State Rights Agreement to become
exercisable, distributed or triggered under the Quaker State Rights Agreement,
(ii) PPC or any of its Affiliates or Subsidiaries to be deemed an "Acquiring
Person" (as defined in the Quaker State Rights Agreement) or (iii) the
"Distribution Date" or the "Stock Acquisition Time" (each as defined in the
Quaker State Rights Agreement) to occur upon any such event and (b) immediately
prior to the Effective Time, the Quaker State Rights will expire or terminate. 
Quaker State represents and warrants that none of a "Distribution Date,"a "Stock
Acquisition Time," a "Section 11(a)(ii) Event," a "Section 11(a)(ii) Trigger
Date" or a "Section 13 Event" (each as defined in the Quaker State Rights
Agreement) has occurred under the Quaker State Rights Agreement.

          5.20 TAKEOVER STATUTES.  No "fair price," "moratorium," "control share
acquisition," "business combination," "shareholder protection" or other similar
antitakeover statute or regulation enacted under Delaware law, or to the
knowledge of Quaker State, under the law of any other jurisdiction, will apply
to this Agreement, the Merger or the transactions contemplated hereby.  The
action of the Board of Directors of Quaker State in approving the Merger and
this Agreement is sufficient to render inapplicable to the Merger and this
Agreement (and the transactions provided for herein) the restrictions on
"business combinations" (as defined in Section 203 of the DGCL) set forth in
Section 203 of the DGCL.

          5.21 CERTAIN BOARD FINDINGS.  The Board of Directors of Quaker State,
at a meeting duly called and held, (i) has approved this Agreement, (ii) has
determined that this Agreement and the transactions contemplated hereby,
including the Merger, taken together, are fair to, and in the best interests of,
the stockholders of Quaker State and (iii) has resolved to recommend that the
stockholders of Quaker State entitled to vote thereon adopt this Agreement,
subject to Section 6.11(b).

          5.22 VOTE REQUIRED.  The only vote of the stockholders of Quaker State
required under any of the DGCL, the NYSE rules or Quaker State's Certificate of
Incorporation for adoption of this Agreement and the approval of the
transactions contemplated by this Agreement is the affirmative vote of  a
majority of the voting power of all outstanding shares of Quaker State Capital


                                         -40-
<PAGE>

Stock at the Quaker State Stockholders Meeting (sometimes referred to herein as
the "Requisite Approval").

                                      ARTICLE 6

                               COVENANTS AND AGREEMENTS

          6.1  CONDUCT OF BUSINESS BY QUAKER STATE PENDING THE MERGER. 
Following the date of this Agreement and prior to the earlier of the Effective
Time or the Termination Date, except as specifically contemplated or permitted
by this Agreement or the other Transaction Agreements or described in Section
6.1 of the Quaker State Disclosure Schedule or to the extent that PPC shall
otherwise consent in writing, Quaker State agrees as to itself and its
Subsidiaries that:

          (a)  ORDINARY COURSE.  Each of Quaker State and its Subsidiaries shall
conduct its operations in accordance with its ordinary course of business
consistent with past practice and use all commercially reasonable efforts to
preserve intact its present business organization, maintain its rights and
franchises, keep available the services of its current officers and key
employees and preserve its relationships with customers, suppliers and others
having business dealings with it in such a manner that its goodwill and ongoing
businesses are not impaired in any material respect.  Quaker State shall not,
nor shall it permit any of its Subsidiaries to, enter into any new material line
of business.

          (b)  DIVIDENDS; CHANGES IN STOCK.  Quaker State shall not, nor shall
it permit any of its Subsidiaries to, nor shall Quaker State or any of its
Subsidiaries propose to, (i) declare or pay any dividends on or make other
distributions in respect of any shares of its capital stock or partnership
interests (whether in cash, securities or property), except for (x) the
declaration and payment of regular quarterly cash dividends not in excess of
$0.10 per share on shares of Quaker State Capital Stock and (y) the declaration
and payment of cash dividends or distributions paid on or with respect to a
class of capital stock or partnership interests all of which shares of capital
stock or partnership interests (with the exception of directors' qualifying
shares and other similarly nominal holdings required by law to be held by
Persons other than Quaker State or its wholly owned Subsidiaries), as the case
may be, of the applicable corporation or partnership are owned directly or
indirectly by Quaker State; (ii) split, combine or reclassify any of its capital
stock or issue or authorize or propose the issuance of any other securities in
respect of, in lieu of, or in substitution for, shares of its capital stock; or
(iii) redeem, repurchase or otherwise acquire, or permit any Subsidiary to
redeem, repurchase or otherwise acquire, any shares of its capital stock
(including any securities convertible or exchangeable into such capital stock),
except as required by the terms of the securities outstanding on the date hereof
or as contemplated by a Quaker State Benefit Plan.

          (c)  ISSUANCE OF SECURITIES.  Quaker State shall not, nor shall it
permit any of its Subsidiaries to, issue, deliver or sell, or authorize or
propose to issue, deliver or sell, any shares of its capital stock of any class,
any Quaker State Voting Debt or any securities convertible into, or any rights,
warrants or options to acquire, any such shares, Quaker State Voting Debt or
convertible


                                         -41-
<PAGE>

securities, other than (i) the issuance of shares of Quaker State Capital Stock
(and associated Quaker State Rights) upon the exercise of stock options or
satisfaction of other Awards granted under the Quaker State Benefit Plans that
are outstanding on the date hereof pursuant to the Quaker State Benefit Plans or
based upon the employment, executive termination or other agreements identified
in Section 6.1(c) of the Quaker State Disclosure Schedule; and (ii) issuances by
a wholly owned Subsidiary of its capital stock to Quaker State.

          (d)  GOVERNING DOCUMENTS.  Quaker State shall not amend or propose to
amend its Certificate of Incorporation or Bylaws, nor shall it permit any of its
Subsidiaries to amend or propose to amend its charter or bylaws in any manner
that would hinder the consummation of the transactions contemplated by, or
otherwise defeat the purposes of, this Agreement.

          (e)  ACQUISITIONS.  Other than (i) any single acquisition where the
fair market value of the total consideration payable in any such acquisition
does not exceed $5.0 million, (ii) any series of acquisitions, whether or not
related, where the fair market value of the total consideration payable in all
such acquisitions does not exceed $10.0 million in the aggregate and (iii) the
transactions listed in Section 6.1(e) of the Quaker State Disclosure Schedule,
Quaker State shall not, nor shall it permit any of its Subsidiaries to, in a
single transaction or a series of transactions, acquire or agree to acquire by
merging or consolidating with, or by purchasing a substantial equity interest in
or a substantial portion of the assets of, or by any other manner, any business
or any corporation, partnership, association or other business organization or
division thereof; PROVIDED, HOWEVER, that in any event, Quaker State shall not,
nor shall it permit any of its Subsidiaries to, make any such acquisition,
agreement or purchase if it would hinder in any material respect the
consummation of the transactions contemplated by this Agreement or the other
Transaction Agreements.

          (f)  DISPOSITIONS.  Quaker State shall not, nor shall it permit any of
its Subsidiaries to, in a single transaction or a series of related
transactions, sell (including sale-leaseback), lease, pledge, encumber or
otherwise dispose of, or agree to sell (or engage in a sale-leaseback), lease
(whether such lease is an operating or capital lease), pledge, encumber or
otherwise dispose of, any of its assets that individually has a fair market
value in excess of $5.0 million or in the aggregate have a fair market value in
excess of $10.0 million other than (i) dispositions in the ordinary course of
business consistent with past practice, (ii) dispositions of securities held for
investment purposes only and (iii) the transactions listed in Section 6.1(f) of
the Quaker State Disclosure Schedule; PROVIDED, that Quaker State shall not
consummate or agree to consummate any such transaction with respect to any
securities of any of its Subsidiaries.

          (g)  INDEBTEDNESS; LEASES.  Quaker State shall not, nor shall it
permit any of its Subsidiaries to, incur (which shall not be deemed to include
entering into credit agreements, lines of credit or similar arrangements until
borrowings are made under such arrangements) any indebtedness for borrowed money
or guarantee or otherwise become contingently liable for any such indebtedness
or issue or sell any debt securities or warrants or rights to acquire any debt
securities of Quaker State or any of its Subsidiaries or guarantee any debt
securities of others or enter into any lease (whether such lease is an operating
or capital lease) or otherwise incur any material obligation


                                         -42-
<PAGE>

or liability (absolute or contingent) other than in connection with (i) any
customer Contract or vendor Contract entered into in the ordinary course of
business consistent with past practice, (ii) equipment leasing in the ordinary
course of business consistent with past practice, (iii) the redemption or
repurchase of indebtedness or debt securities outstanding on the date hereof
with the proceeds of newly incurred indebtedness or newly issued debt
securities, and (iv) borrowings in the ordinary course of business under
commercial paper programs or bank lines of credit.

          (h)  EMPLOYEE ARRANGEMENTS.  Except as required pursuant to the
collective bargaining process and as consistent with the historic bargaining
practices of Quaker State and its Subsidiaries, Quaker State and its
Subsidiaries shall not:

               (i)    grant any material increases in the compensation of any of
     its directors, officers or key employees, except in the ordinary course of
     business consistent with past practice;

               (ii)   pay or agree to pay to any director, officer or key
     employee, whether past or present, any pension, retirement allowance or
     other employee benefit not required or contemplated by any of the existing
     benefit, severance, termination, pension or employment plans, Contracts or
     arrangements as in effect on the date hereof;

               (iii)  except in the ordinary course of business consistent with
     past practice, enter into any new, or materially amend any existing,
     employment or severance or termination Contract with any director, officer
     or key employee; or

               (iv)   except (x) in the ordinary course of business consistent
     with past practice or (y) as may be required to comply with applicable law,
     become obligated under any new pension plan, welfare plan, multiemployer
     plan, employee benefit plan, severance plan, benefit arrangement or similar
     plan or arrangement that was not in existence on the date hereof, or amend
     any such plan or arrangement in existence on the date hereof if such
     amendment would have the effect of materially enhancing any benefits
     thereunder.

          (i)  COMPLIANCE WITH LAWS; LICENSES.  Quaker State shall not, nor
shall it permit any of its Subsidiaries to, (i) fail to comply with any laws,
ordinances or regulations applicable to it or to the conduct of its business,
except for any such failure to comply that, individually or in the aggregate,
would not have a Material Adverse Effect on Quaker State or (ii) permit to
expire or terminate without renewal any License that is necessary to the
operation of a material portion of the business of such party, any facilities
associated therewith or any other business.

          (j)  NO LIQUIDATION OR DISSOLUTION.  Quaker State shall not authorize,
recommend, propose or announce an intention to adopt a plan of complete or
partial liquidation or dissolution of Quaker State or any of its Subsidiaries.


                                         -43-
<PAGE>

          (k)  ACCOUNTING METHODS.  Quaker State shall not make any material
change in its methods of accounting in effect at December 31, 1997, except as
required by the Financial Accounting Standards Board or changes in GAAP as
concurred in by Quaker State's independent auditors.  Quaker State shall not
change its fiscal year.

          (l)  AFFILIATE TRANSACTIONS.  Quaker State shall not, nor shall it
permit any of its Subsidiaries to, enter into or amend any agreement or
arrangement with any of their respective affiliates (as such term is defined in
Rule 405 under the Securities Act, an "Affiliate"), other than with wholly owned
Subsidiaries of Quaker State, on terms materially less favorable to Quaker State
or such Subsidiary, as the case may be, than could be reasonably expected to
have been obtained with an unaffiliated third party on an arm's-length basis.

          (m)  CONTRACTS.  Quaker State shall not, nor shall it permit any of
its Subsidiaries to, except in the ordinary course of business consistent with
past practice, modify, amend, terminate, renew or fail to use reasonable
business efforts to renew any material Contract to which it or any of its
Subsidiaries is a party or waive, release or assign any material rights or
claims.  Quaker State shall not, nor shall it permit any of its Subsidiaries to,
enter into any Contract not in the ordinary course of business involving total
consideration of $1.0 million or more with a term longer than one year which is
not terminable by Quaker State or any such Subsidiary of Quaker State without
penalty upon no more than 30 days' prior notice.

          (n)  INSURANCE.  Quaker State shall, and shall cause its Subsidiaries
to, maintain with financially responsible insurance companies insurance in such
amounts and against such risks and losses as are customary for companies engaged
in their respective businesses.

          (o)  TAX MATTERS.  Without PPC's prior written consent, which consent
shall not be unreasonably withheld or delayed, Quaker State shall not (i) make
or rescind any material express or deemed election relating to Taxes unless it
is reasonably expected that such action will not adversely affect Quaker State,
including elections for any and all joint ventures, partnerships, limited
liability companies, working interests or other investments where Quaker State
has the capacity to make such binding election, (ii) settle or compromise any
material claim, action, suit, litigation, proceeding, arbitration,
investigation, audit or controversy relating to Taxes, except where such
settlement or compromise will not result in a Material Adverse Effect on Quaker
State, (iii) amend any material Returns or (iv) change in any material respect
any of its methods of reporting income or deductions for federal income tax
purposes from those expected to be employed in the preparation of its federal
income tax return for the taxable year ending December 31, 1997, except as may
be required by applicable law or except for such changes that are reasonably
expected not to result in a Material Adverse Effect on Quaker State, PROVIDED,
HOWEVER, that Quaker State may make or rescind any such election, settle or
compromise any such claim, action, suit, litigation, proceeding, arbitration,
investigation, audit or controversy, change any such method of reporting or
amend any such Return without PPC's prior written consent if the amount of Tax
liabilities relating to such action does not exceed $1.0 million.


                                         -44-
<PAGE>

          (p)  DISCHARGE OF LIABILITIES.  Unless otherwise provided in this
Agreement, Quaker State shall not, nor shall it permit any of its Subsidiaries
to, pay, discharge or satisfy any material claims, liabilities or obligations
(absolute, accrued, asserted or unasserted, contingent or otherwise), other than
the payment, discharge or satisfaction, in the ordinary course of business
(which includes the payment of final and unappealable judgments) or in
accordance with their terms, of liabilities reflected or reserved against in, or
contemplated by, the most recent consolidated financial statements (or the notes
thereto) of Quaker State included in Quaker State's Annual Report on Form 10-K
for the fiscal year ended December 31, 1997, or incurred in the ordinary course
of business.

          (q)  TAX-FREE REORGANIZATION TREATMENT.  Quaker State shall not take
or cause to be taken any action before the Effective Time that would disqualify
the Merger from constituting a tax-free reorganization under Section 368 of the
Code.

          (r)  ADVICE OF CHANGES.  Subject to Section 2.2 of the Confidentiality
Agreement, Quaker State shall promptly advise PPC orally and in writing of any
change or event having, or that, insofar as can reasonably be foreseen, could
have, either individually or together with other changes or events, a Material
Adverse Effect on Quaker State.

          (s)  NO ACTION.  Subject to the terms and conditions of this
Agreement, Quaker State shall not, nor will it permit any of its Subsidiaries
to, intentionally take or agree or commit to take any action that would be
reasonably likely to result in any of its representations and warranties set
forth in this Agreement being or becoming untrue in any material respect, or in
any of the conditions set forth in Article 7 not being satisfied at the
Effective Time.

          (t)  AGREEMENTS.  Quaker State shall not, nor shall it permit any of
its Subsidiaries to, agree in writing or otherwise to take any action
inconsistent with the foregoing.

          6.2  CONDUCT OF BUSINESS BY PPC AND PENNZOIL PENDING THE MERGER. 
Following the date of this Agreement and prior to the earlier of the Effective
Time or the Termination Date, except as specifically contemplated or permitted
by this Agreement or the other Transaction Agreements or described in Section
6.2 of the PPC Disclosure Schedule or to the extent that Quaker State shall
otherwise consent in writing, Pennzoil and PPC agree:

          (a)  ORDINARY COURSE.  Pennzoil (in regard to the PPC Business only)
and each of PPC and its Subsidiaries shall conduct its operations in accordance
with its ordinary course of business consistent with past practice and use all
commercially reasonable efforts to preserve intact its present business
organization, maintain its rights and franchises, keep available the services of
its current officers and key employees and preserve its relationships with
customers, suppliers and others having business dealings with it in such a
manner that its goodwill and ongoing businesses are not impaired in any material
respect.  PPC shall not, nor shall it permit any of its Subsidiaries to, enter
into any new material line of business.


                                         -45-
<PAGE>

          (b)  DIVIDENDS; CHANGES IN STOCK.  PPC shall not, nor shall it permit
any of its Subsidiaries to, nor shall it or any of its Subsidiaries propose to,
(i) declare or pay any dividends on or make other distributions in respect of
any shares of its capital stock or partnership interests (whether in cash,
securities or property), except for the declaration and payment of cash
dividends or distributions paid on or with respect to a class of capital stock
or partnership interests all of which shares of capital stock or partnership
interests (with the exception of directors' qualifying shares and other
similarly nominal holdings required by law to be held by Persons other than PPC
or its wholly owned Subsidiaries), as the case may be, of the applicable
corporation or partnership are owned directly or indirectly by PPC; (ii) split,
combine or reclassify any of its capital stock or issue or authorize or propose
the issuance of any other securities in respect of, in lieu of, or in
substitution for, shares of its capital stock, except as contemplated by the
Distribution Agreement or (iii) redeem, repurchase or otherwise acquire, or
permit any Subsidiary to redeem, repurchase or otherwise acquire, any shares of
its capital stock (including any securities convertible or exchangeable into
such capital stock).

          (c)  ISSUANCE OF SECURITIES.  Neither Pennzoil nor PPC shall, nor
shall they permit any of their respective Subsidiaries to, issue, deliver or
sell, or authorize or propose to issue, deliver or sell, any shares of PPC's
capital stock or capital stock of any PPC Subsidiary of any class, any PPC
Voting Debt or any securities convertible into, or any rights, warrants or
options to acquire, any such shares, PPC Voting Debt or convertible securities,
other than (i) pursuant to this Agreement, pursuant to the other Transaction
Agreements and pursuant to the PPC 1998 Incentive Plan; (ii) the issuance of
shares of Pennzoil Common Stock upon the exercise of stock options of Pennzoil
or satisfaction of other awards of Pennzoil that are outstanding on the date
hereof or under Pennzoil's dividend reinvestment plan; and (iii) issuances by a
wholly owned Subsidiary of PPC of its capital stock to PPC.  Without limiting
the foregoing, Pennzoil shall not issue, deliver or sell, or authorize or
propose to issue, deliver or sell any additional options or other equity-based
awards that could be converted into any option to acquire PPC Common Stock
pursuant to the Employee Benefits Agreement.

          (d)  GOVERNING DOCUMENTS.  Neither Pennzoil nor PPC shall amend or
propose to amend PPC's Certificate of Incorporation or Bylaws, nor shall it
permit any of its Subsidiaries to amend or propose to amend its charter or
bylaws except as explicitly provided herein, in the Distribution Agreement or
otherwise, with a Quaker State consent.

          (e)  ACQUISITIONS.  Other than (i) any single acquisition where the
fair market value of the total consideration payable in any such acquisition
does not exceed $5.0 million and (ii) any series of acquisitions, whether or not
related, where the fair market value of the total consideration payable in all
such acquisitions does not exceed $10.0 million in the aggregate, PPC shall not,
nor shall it permit any of its Subsidiaries to, in a single transaction or a
series of transactions, acquire or agree to acquire by merging or consolidating
with, or by purchasing a substantial equity interest in or a substantial portion
of the assets of, or by any other manner, any business or any corporation,
partnership, association or other business organization or division thereof;
PROVIDED, HOWEVER, that in any event, PPC shall not, nor shall it permit any of
its


                                         -46-
<PAGE>

Subsidiaries to, make any such acquisition, agreement or purchase if it would
hinder in any material respect the consummation of the transactions contemplated
by this Agreement or the other Transaction Agreements.

          (f)  DISPOSITIONS.  Pennzoil (in regard to the PPC Business only)
shall not, and PPC shall not, nor shall they permit any of their Subsidiaries
to, in a single transaction or a series of related transactions, sell (including
sale-leaseback), lease, pledge, encumber or otherwise dispose of, or agree to
sell (or engage in a sale-leaseback), lease (whether such lease is an operating
or capital lease), pledge, encumber or otherwise dispose of, any of its assets
that individually has a fair market value in excess of $5.0 million or in the
aggregate have a fair market value in excess of $10.0 million other than (i)
dispositions in the ordinary course of business consistent with past practice
and (ii) dispositions of securities held for investment purposes only; PROVIDED,
that, except as otherwise provided in this Agreement and the other Transaction
Agreements, Pennzoil shall not consummate or agree to consummate any such
Transaction with respect to any securities of PPC or any of its Subsidiaries.

          (g)  INDEBTEDNESS; LEASES.  Pennzoil (in regard to the PPC Business
only) shall not, and PPC shall not, nor shall they permit any of their
Subsidiaries to, incur (which shall not be deemed to include entering into
credit agreements, lines of credit or similar arrangements until borrowings are
made under such arrangements) any indebtedness for borrowed money or guarantee
or otherwise become contingently liable for any such indebtedness or issue or
sell any debt securities or warrants or rights to acquire any debt securities of
PPC or any of its Subsidiaries or guarantee any debt securities of others or
enter into any lease (whether such lease is an operating or capital lease) or
otherwise incur any material obligation or liability (absolute or contingent)
other than in connection with  any customer Contract or vendor Contract entered
into in the ordinary course of business consistent with past practice, 
equipment leasing in the ordinary course of business consistent with past
practice,  the redemption or repurchase of indebtedness or debt securities
outstanding on the date hereof with the proceeds of newly incurred indebtedness
or newly issued debt securities, and  borrowings in the ordinary course of
business under commercial paper programs, bank lines of credit, other short-term
credit arrangements or financing from Pennzoil (PROVIDED, that such financing
from Pennzoil is treated as described in Section 2.06(b) of the Distribution
Agreement).

          (h)  EMPLOYEE ARRANGEMENTS.  Except as required pursuant to the
collective bargaining process and as consistent with the historic bargaining
practices of PPC and its Subsidiaries, PPC and its Subsidiaries shall not:

               (i)    grant any material increases in the compensation of any of
     its directors, officers or key employees, except in the ordinary course of
     business consistent with past practice;

               (ii)   pay or agree to pay to any director, officer or key
     employee, whether past or present, any pension, retirement allowance or
     other employee benefit not required or


                                         -47-
<PAGE>

     contemplated by any of the existing benefit, severance, termination,
     pension or employment plans, Contracts or arrangements as in effect on the
     date hereof;

               (iii)  except in the ordinary course of business consistent with
     past practice, enter into any new, or materially amend any existing,
     employment or severance or termination Contract with any director, officer
     or key employee; or

               (iv)   except (x) in the ordinary course of business consistent
     with past practice or (y) as may be required to comply with applicable law,
     become obligated under any new pension plan, welfare plan, multiemployer
     plan, employee benefit plan, severance plan, benefit arrangement or similar
     plan or arrangement that was not in existence on the date hereof, or amend
     any such plan or arrangement in existence on the date hereof if such
     amendment would have the effect of materially enhancing any benefits
     thereunder.

          (i)  COMPLIANCE WITH LAWS; LICENSES.  Pennzoil (in regard to the PPC
Business only) shall not, and PPC shall not, nor shall they permit any of their
Subsidiaries to, (i) fail to comply with any laws, ordinances or regulations
applicable to it or to the conduct of its business, except for any such failure
to comply that, individually or in the aggregate, would not have a Material
Adverse Effect on PPC or (ii) permit to expire or terminate without renewal any
License that is necessary to the operation of a material portion of the business
of PPC or its Subsidiaries, any facilities associated therewith, the PPC
Business, or any other business.

          (j)  NO LIQUIDATION OR DISSOLUTION.  Neither Pennzoil nor PPC shall
authorize, recommend, propose or announce an intention to adopt a plan of
complete or partial liquidation or dissolution of PPC or any of its
Subsidiaries.

          (k)  ACCOUNTING METHODS.  Neither Pennzoil nor PPC shall make any
material change in PPC's methods of accounting in effect at December 31, 1997,
except as required by the Financial Accounting Standards Board or changes in
GAAP as concurred in by PPC's independent auditors.  Neither Pennzoil nor PPC
shall change PPC's fiscal year.

          (l)  AFFILIATE TRANSACTIONS.  Except as provided in this Agreement and
the other Transaction Agreements, PPC shall not, nor shall it permit any of its
Subsidiaries to, enter into or amend any agreement or arrangement with any of
their respective affiliates (as such term is defined in Rule 405 under the
Securities Act, an "Affiliate"), other than with wholly owned Subsidiaries of
PPC, on terms materially less favorable to PPC or such Subsidiary, as the case
may be, than could be reasonably expected to have been obtained with an
unaffiliated third party on an arm's-length basis.

          (m)  CONTRACTS.  Neither Pennzoil nor PPC shall, nor shall they permit
any of their respective Subsidiaries to, except in the ordinary course of
business consistent with past practice, modify, amend, terminate, renew or fail
to use reasonable business efforts to renew any material Contract to which PPC
or any of its Subsidiaries is a party or which otherwise is or will be, a PPC


                                         -48-
<PAGE>

Asset, or waive, release or assign any material rights or claims.  PPC shall
not, nor shall it permit any of its Subsidiaries to, enter into any Contract not
in the ordinary course of business involving total consideration of $1.0 million
or more with a term longer than one year which is not terminable by PPC or any
such Subsidiary of PPC without penalty upon no more than 30 days' prior notice.

          (n)  INSURANCE.  Pennzoil and PPC shall, and shall cause their
Subsidiaries to, maintain with financially responsible insurance companies
insurance for the PPC Business and the PPC Assets in such amounts and against
such risks and losses as are customary for companies engaged in their respective
businesses.

          (o)  TAX MATTERS.  Without Quaker State's prior written consent, which
consent shall not be unreasonably withheld or delayed, neither Pennzoil nor PPC
shall (i) make or rescind any material express or deemed election relating to
Taxes unless it is reasonably expected that such action will not adversely
affect PPC, including elections for any and all joint ventures, partnerships,
limited liability companies, working interests or other investments where
Pennzoil or PPC has the capacity to make such binding election, (ii) settle or
compromise any material claim, action, suit, litigation, proceeding,
arbitration, investigation, audit or controversy relating to Taxes, except where
such settlement or compromise will not result in a Material Adverse Effect on
PPC, (iii) amend any material Returns or (iv) change in any material respect any
of its methods of reporting income or deductions for federal income tax purposes
from those expected to be employed in the preparation of its federal income tax
return for the taxable year ending December 31, 1997, except as may be required
by applicable law or except for such changes that are reasonably expected not to
result in a Material Adverse Effect on PPC PROVIDED, HOWEVER, that Pennzoil or
PPC may make or rescind any such election, settle or compromise any such claim,
action, suit, litigation, proceeding, arbitration, investigation, audit or
controversy, change any such method of reporting or amend any such Return
without Quaker State's prior written consent if the amount of Tax liabilities
relating to such action does not exceed $1.0 million.

          (p)  DISCHARGE OF LIABILITIES.  Unless otherwise provided in this
Agreement, PPC shall not, nor shall it permit any of its Subsidiaries to, pay,
discharge or satisfy any material claims, liabilities or obligations (absolute,
accrued, asserted or unasserted, contingent or otherwise), other than the
payment, discharge or satisfaction, in the ordinary course of business (which
includes the payment of final and unappealable judgments) or in accordance with
their terms, of liabilities reflected or reserved against in, or contemplated
by, the most recent consolidated financial statements (or the notes thereto) of
PPC included in the PPC Financial Statements, or incurred in the ordinary course
of business.

          (q)  TAX-FREE REORGANIZATION TREATMENT.  Neither Pennzoil nor PPC
shall take or cause to be taken any action, whether before or after the
Effective Time, (i) that would disqualify the Distribution  from constituting a
tax-free distribution under Section 355 of the Code or a tax-free transaction
under Section 368 of the Code or (ii) that would disqualify the Merger from
constituting a tax-free reorganization under Section 368 of the Code.


                                         -49-
<PAGE>

          (r)  ADVICE OF CHANGES.  Subject to Section 2.2 of the Confidentiality
Agreement, Pennzoil and PPC shall promptly advise Quaker State orally and in
writing of any change or event having, or that, insofar as can reasonably be
foreseen, could have, either individually or together with other changes or
events, a Material Adverse Effect on PPC.

          (s)  NO ACTION.  Neither Pennzoil nor PPC shall, nor will they permit
any of their respective Subsidiaries to intentionally take or agree or commit to
take any action that would be reasonably likely to result in any of its
representations and warranties set forth in this Agreement or the other
Transaction Agreements being or becoming untrue in any material respect, or in
any of the conditions set forth in Article 7 not being satisfied at the
Effective Time.

          (t)  OTHER TRANSACTION AGREEMENTS.  At or prior to the Distribution
Date, Pennzoil and PPC shall execute and deliver the Distribution Agreement, the
Tax Separation Agreement, the Employee Benefits Agreement, the Transition
Services Agreement and the Trademark License Agreement.

          (u)  SECTION 355 RULING.  In connection with the Distribution,
Pennzoil (with the reasonable cooperation of Quaker State) shall use all
commercially reasonable efforts in seeking, as promptly as practicable, a
private letter ruling from the IRS to the effect that the contribution of assets
to PPC prior to the Distribution and the Distribution will qualify as tax-free
transactions under Sections 355 and 368 of the Code (the "Section 355 Ruling"). 
Prior to filing with the IRS, Pennzoil shall furnish Quaker State with a draft
of the ruling request letter and with a draft of each supplement, and Quaker
State shall be afforded a reasonable time to review and comment on each.  Each
draft will be substantially in the form that Pennzoil intends to file with the
IRS, but each may be revised before filing in an effort to improve clarity,
accuracy, or cogency in light of points raised by Quaker State and others and to
supply additional facts required by IRS guidelines that are not material to the
Section 355 Ruling.  Contemporaneously with each mailing to the IRS,  Pennzoil
shall mail to Quaker State a copy of each letter or other document it files with
the IRS.  Pennzoil shall allow Quaker State, and shall encourage the IRS to
allow Quaker State, to participate in any in-person conference and any
substitute telephone conference with the IRS concerning the Section 355 Ruling
unless, as to any such conference, the IRS objects to such participation or such
participation will unreasonably delay the holding of the conference.  A
substitute telephone conference is one regarding possible material changes to
the form of the transactions, representations, or future events or one in which
the IRS preliminarily indicates an unwillingness to grant the requested Section
355 Ruling.  In any event, Pennzoil shall keep Quaker State informed of the
status of the Section 355 Ruling request.

          (v)  SOLICITATION.  Pennzoil and PPC shall not, and they shall use
their respective best efforts to cause their respective Subsidiaries, officers,
directors, employees, advisors and agents not to, directly or indirectly, (i)
solicit, initiate or knowingly encourage or induce the making of any PPC
Acquisition Proposal, (ii) negotiate with any third party with respect to any
PPC Acquisition, (iii) endorse or recommend any PPC Acquisition Proposal of any
third party or (iv) enter into any Contract or non-binding letter of intent with
any third party with the intent to effect any PPC


                                         -50-
<PAGE>

Acquisition.  PPC shall promptly notify Quaker State orally and in writing of
any such unsolicited request and the identity of the third party making such
request and thereafter shall keep Quaker State promptly advised of any
development with respect thereto.

          (w)  AGREEMENTS.  Neither Pennzoil nor PPC shall, nor shall they
permit any of their respective Subsidiaries to, agree in writing or otherwise to
take any action inconsistent with the foregoing.

          6.3  COOPERATION.  Pennzoil, PPC and Quaker State shall together, or
pursuant to the allocation of responsibility set forth below or otherwise to be
agreed upon between them:

          (a)  as promptly as practicable following the date hereof, Quaker
State shall prepare and file with the SEC the Proxy Statement and Pennzoil and
PPC shall prepare and file the Registration Statements (the Proxy Statement will
be included as a prospectus in the Registration Statement on Form S-4) with
respect to the transactions contemplated by this Agreement, and each of
Pennzoil, Quaker State and PPC shall use all commercially reasonable efforts to
have such Proxy Statement/Prospectus cleared by the SEC under the Exchange Act
and the Registration Statements declared effective by the SEC under the
Securities Act and the Exchange Act, as the case may be, as promptly as
practicable after such filings; and in connection with the Proxy
Statement/Prospectus and the Registration Statements, PPC and Pennzoil shall
prepare audited annual and unaudited interim financial statements prepared in
accordance with GAAP and in compliance with Regulation S-X under the Exchange
Act for such Proxy Statement/Prospectus and Registration Statements;

          (b)  Pennzoil and PPC shall take all such action as may reasonably be
required under state securities or Blue Sky laws in connection with the issuance
of shares of PPC Common Stock pursuant to the Merger;

          (c)  Pennzoil, PPC and Quaker State shall cooperate with one another
in determining whether any filings are required to be made with or consents
required to be obtained from, any Governmental Authority or any lender, lessor
or other third party prior to the Effective Time in connection with the
consummation of the transactions contemplated by this Agreement and cooperate to
the extent reasonably necessary or commercially appropriate in making any such
filings promptly and in seeking timely to obtain any such consents;

          (d)  As promptly as practicable, Pennzoil and PPC shall make
application to the NYSE and any other stock exchanges as shall be agreed upon
for the listing or quotation of the shares of PPC Common Stock to be issued
pursuant to the transactions contemplated by this Agreement and the Distribution
Agreement and use all commercially reasonable efforts to cause such shares to be
Approved for Listing;

          (e)  Pennzoil, PPC and Quaker State shall, as promptly as practicable,
make their respective filings and any other required or requested submissions
under the HSR Act, promptly respond to any requests for additional information
from either the Federal Trade Commission or the


                                         -51-
<PAGE>

Department of Justice; and cooperate in the preparation of, and coordinate, such
filings, submissions and responses (including the exchange of drafts between
each party's outside counsel) so as to reduce the length of any review periods; 

          (f)  Pennzoil, PPC and Quaker State shall promptly provide outside
counsel for the other parties for their confidential review copies of all
filings made by such party with any Governmental Authority in connection with
this Agreement and the other Transaction Agreements and the transactions
contemplated hereby and thereby; and

          (g)  Pennzoil, PPC and Quaker State shall provide such further
assistance as the other party may reasonably request in connection with the
foregoing.  Each of PPC, Pennzoil and Quaker State shall furnish to the other's
counsel all such information as may be reasonably required to effect the
foregoing actions.  

          6.4  PROXY STATEMENT/PROSPECTUS.  If, at any time after the mailing of
the definitive Proxy Statement/Prospectus and prior to the Quaker State
Stockholders Meeting, any event should occur that results in the Proxy
Statement/Prospectus or the Registration Statements containing an untrue
statement of a material fact or omitting to state any material fact required to
be stated therein or necessary to make the statements therein, in the light of
the circumstances under which they are made, not misleading, or that otherwise
should be described in an amendment or supplement to the Proxy
Statement/Prospectus or the Registration Statements, PPC, Pennzoil  and Quaker
State shall promptly notify each other of the occurrence of such event and then
promptly prepare, file and clear with the SEC and mail to Quaker State's
stockholders each such amendment or supplement.

          6.5  LETTER OF PPC'S ACCOUNTANTS.  In connection with the information
regarding PPC or its Subsidiaries or the transactions contemplated by this
Agreement provided by PPC specifically for inclusion in, or incorporation by
reference into, the Proxy Statement/Prospectus and the Registration Statements,
PPC shall use all commercially reasonable efforts to cause to be delivered to
Quaker State a letter of Arthur Andersen LLP, dated the date on which the
Registration Statements shall become effective and addressed to Quaker State, in
form and substance reasonably satisfactory to Quaker State and customary in
scope and substance for letters delivered by independent public accountants in
connection with registration statements similar to the Registration Statements.

          6.6  LETTER OF QUAKER STATE'S ACCOUNTANTS.  In connection with the
information regarding Quaker State or its Subsidiaries or the transactions
contemplated by this Agreement provided by Quaker State specifically for
inclusion in, or incorporation by reference into, the Proxy Statement/Prospectus
and the Registration Statements, Quaker State shall use all commercially
reasonable efforts to cause to be delivered to PPC a letter of Coopers & Lybrand
L.L.P., dated the date on which the Registration Statements shall become
effective and addressed to PPC, in form and substance reasonably satisfactory to
PPC and customary in scope and substance for letters delivered


                                         -52-
<PAGE>

by independent public accountants in connection with registration statements
similar to the Registration Statements.

          6.7  PPC EMPLOYEE STOCK OPTIONS, INCENTIVE AND BENEFIT PLANS.

          (a)  Pursuant to the Employee Benefits Agreement, (i) on or prior to
the Distribution Date, PPC shall have adopted, and Pennzoil, as sole stockholder
of PPC, shall have approved, the PPC 1998 Incentive Plan, (ii) each outstanding
employee stock option award of Pennzoil granted under any Pennzoil stock option
program and outstanding the day before the Distribution Date ("Pennzoil Option")
shall be fully vested and exercisable as of such date and, if not exercised
prior to the Distribution Date, the exercise price and the number of shares
subject to such option shall be adjusted as provided in the Employee Benefits
Agreement, (iii) the holder of each Pennzoil Option outstanding and not
exercised as of the time immediately after the Distribution Date shall receive
as of such time an option ("PPC Option") under the PPC 1998 Incentive Plan for
such number of shares and having an exercise price determined in accordance with
the Employee Benefits Agreement, such PPC Option shall have terms and conditions
substantially the same as the Pennzoil Option in respect of which it is granted
(including being fully vested and exercisable), (iv) for purposes of determining
when a Pennzoil Option or a PPC Option shall expire, service with Pennzoil and
its affiliates shall be treated as service with PPC and its affiliates and vice
versa, (v) effective immediately prior to the Distribution Date, each
conditional stock award of Pennzoil granted under a conditional stock award
program of Pennzoil ("Pennzoil CSAU") shall be fully vested and matured (but
payable at the conclusion of the end of the program under which it has been
granted) and (vi) effective as of a time immediately after the Distribution Date
the holder of a Pennzoil CSAU shall be granted a conditional stock award under
the PPC 1998 Incentive Plan ("PPC CSAU") and such PPC CSAU shall have terms and
conditions substantially the same as the Pennzoil CSAU in respect of which it is
granted (including being fully vested and matured).  Prior to the Effective
Time, no awards shall be made under the PPC 1998 Incentive Plan except as
provided in this Section 6.7(a).

          (b)  As of the Distribution Date, outstanding awards under Pennzoil's
1996, 1997 and 1998 Long Term Incentive Plans and Pennzoil's 1998 Annual
Incentive Plan shall be vested and earned with the Distribution Date
constituting the end of each respective award period, measuring performance
levels as of the Distribution Date and prorating such awards for the portion of
the award period completed as of the Distribution Date.  Such vested and earned
awards shall be paid in cash as soon as is practicable following the
Distribution Date without regard to whether the holder of an award is then
employed by either Pennzoil or PPC.

          (c)  Notwithstanding anything in Section 6.7(a), the number of shares
subject to options or stock appreciation rights with respect to PPC Common Stock
issued under the PPC 1998 Incentive Plan shall not exceed the number of shares
that would have been subject to PPC awards assuming the conversion solely into
awards with respect to PPC Common Stock (applying the formulas set forth in the
Employee Benefits Agreement as of the date hereof) of Pennzoil options and stock
appreciation rights covering 2.5 million shares (minus 68% of the number of
shares subject


                                         -53-
<PAGE>

to any such options and stock appreciation rights that are exercised between the
date of the Merger Agreement and the Distribution Date) and having an average
exercise price (or reference appreciation price) equal to that determined in
clause (x) below, and the total aggregate spread of such awards shall not exceed
the product of (x) the excess of the Pennzoil Pre-Distribution Stock Price (as
defined in the Employee Benefits Agreement as of the date hereof) over the
average exercise price (or reference appreciation price) per share of all
Pennzoil options and stock appreciation rights outstanding immediately prior to
the Distribution Date and (y) 2.5 million minus 68% of the number of shares
subject to any Pennzoil options and stock appreciation rights that are exercised
between the date of the Merger Agreement and the Distribution Date.

          (d)  Except as provided in this Section 6.7, neither Pennzoil nor PPC
nor any of their respective affiliates or subsidiaries will make any
determination or otherwise take any action that will result in the acceleration
of vesting or the timing of payments under any Pennzoil executive severance
plan, change in control agreements, benefit acceleration agreements, conditional
stock award program, the PPC 1998 Incentive Plan or any other employee stock or
incentive plans, employment agreement or any other similar agreements with
respect to any PPC Employee.

          6.8  EMPLOYEE BENEFIT PLANS.  With respect to each Quaker State
Employee and each PPC Employee, for a period of at least one year following the
Effective Time, PPC shall (or shall cause Quaker State to) provide each such
Employee with (i) the same basic compensation (including base salary, wages or
commissions) and annual incentive opportunity, to the extent applicable, and
(ii) benefits which, in the aggregate, are substantially comparable to the
benefits that were provided to such Employee under the Quaker State Benefit
Plans, if he or she will have been a Quaker State Employee immediately prior to
the Effective Time, or under the PPC Benefit Plans, if he or she will have been
a PPC Employee immediately prior to the Effective Time.  The commitment set
forth in the preceding sentence shall apply only during such Quaker State or PPC
Employee's continued employment with PPC and its Subsidiaries (including, after
the Effective Time, Quaker State), except where benefits are provided after such
termination of employment under the terms of the respective PPC Benefit Plan or
Quaker State Benefit Plan.  Nothing in this Section shall require PPC or any of
its Subsidiaries (including, after the Effective Time, Quaker State) to continue
any PPC Employee or Quaker State Employee in its employ following the Effective
Time, PROVIDED, HOWEVER, that, in the event that any such Employee is terminated
involuntarily following the Effective Time and prior to the first anniversary
thereof by action of PPC or any of its Subsidiaries, such Employee shall receive
at least the same severance and termination benefits as he or she would have
received under the terms of the applicable PPC Benefit Plans or Quaker State
Benefit Plans, as the case may be, as in effect immediately prior to the
Effective Time.

          6.9  INVESTIGATION.  Upon reasonable notice, each of PPC and Quaker
State shall afford to each other and to its respective officers, employees,
accountants, counsel and other authorized representatives, full and complete
access during normal business hours, throughout the period prior to the earlier
of the Effective Time or the Termination Date, to its and its Subsidiaries'
plants, properties, Contracts, commitments, books, records (including tax
returns) and any report, schedule or other document filed or received by it
pursuant to the requirements of the federal or state


                                         -54-
<PAGE>

securities laws, and shall use all commercially reasonable efforts to cause its
respective representatives to furnish promptly to the other such additional
financial and operating data and other information, including environmental
information, as to its and its Subsidiaries' respective businesses and
properties as the other or its duly authorized representatives, as the case may
be, may reasonably request.  The parties hereby agree that the provisions of the
Confidentiality Agreement, including, without limitation, Section 2.2 thereof,
shall apply to all information and material furnished by any party or its
representatives thereunder and hereunder.

          6.10 REASONABLE EFFORTS; FURTHER ASSURANCES, ETC.

          (a)  Subject to the terms and conditions of this Agreement, each of
Pennzoil, PPC and Quaker State shall use all commercially reasonable efforts to
take, or cause to be taken, all actions and to do, or cause to be done, all
things necessary under applicable laws and regulations to consummate and make
effective the transactions contemplated by this Agreement, including providing
information and using all commercially reasonable efforts to obtain all
necessary exemptions, rulings, consents, authorizations, approvals and waivers
to effect all necessary registrations and filings and to lift any injunction or
other legal bar to the Merger and the other transactions contemplated hereby as
promptly as practicable, and to take all other actions necessary to consummate
the transactions contemplated hereby in a manner consistent with applicable law.
Without limiting the generality of the foregoing, Pennzoil, PPC and Quaker State
agree, and shall cause each of their respective Subsidiaries, to cooperate and
to use their respective commercially reasonable best efforts to obtain any
government clearances required to consummate the Merger (including through
compliance with the HSR Act and any applicable foreign government reporting
requirements), to respond to any government requests for information, and to
contest and resist any action, including any legislative, administrative or
judicial action, and to have vacated, lifted, reversed or overturned any decree,
judgment, injunction or other order (whether temporary, preliminary or
permanent) (an "Order") that restricts, prevents or prohibits the consummation
of the Merger or any other transactions contemplated by this Agreement,
including, without limitation, by vigorously pursuing all available avenues of
administrative and judicial appeal and all available legislative action.  The
parties hereto will consult and cooperate with one another, and consider in good
faith the views of one another, in connection with any analyses, appearances,
presentations, memoranda, briefs, arguments, opinions and proposals made or
submitted by or on behalf of any party hereto in connection with proceedings
under or relating to the HSR Act or any other federal, state or foreign
antitrust or fair trade law.  Notwithstanding anything to the contrary in this
Section 6.10, neither PPC, Pennzoil nor Quaker State nor any of their respective
Subsidiaries shall be required to take any action that would reasonably be
expected to substantially impair the overall benefits expected, as of the date
hereof, to be realized from the consummation of the Merger.

          (b)  Subject to Section 6.10(a), in case at any time any further
action is reasonably necessary to carry out the purposes of this Agreement,
Pennzoil, PPC and Quaker State shall take all such commercially reasonable
necessary action.


                                         -55-
<PAGE>

          6.11 NO SOLICITATION.

          (a)  Quaker State agrees that neither it nor any Quaker State
Subsidiary shall, and that it shall use its best efforts to cause its and each
Quaker State Subsidiary's officers, directors, employees, advisors and agents
not to, directly or indirectly, solicit, initiate or encourage any inquiry or
proposal that constitutes or could reasonably be expected to lead to a Quaker
State Acquisition Proposal, provide any non-public information or data to any
Person relating to a Quaker State Acquisition Proposal, engage in any
discussions or negotiations concerning a Quaker State Acquisition Proposal, or
otherwise knowingly facilitate any effort or attempt to make or implement a
Quaker State Acquisition Proposal or agree to, recommend or accept a Quaker
State Acquisition Proposal; PROVIDED, HOWEVER, that nothing contained in this
Agreement shall prevent Quaker State or Quaker State's Board of Directors from,
prior to the adoption of this Agreement by the holders of Quaker State Capital
Stock, engaging in any discussions or negotiations with, or providing any
non-public information to, any Person in response to an unsolicited bona fide
Quaker State Acquisition Proposal by any such Person, if and only to the extent
that (i) Quaker State receives a Superior Proposal (as defined below),
(ii) Quaker State's Board of Directors determines in good faith (after
consultation with its legal and financial advisors) that it is advisable to do
so in order for the Quaker State Board of Directors to comply with its fiduciary
duties to Quaker State's shareholders under applicable law, (iii) prior to
providing any information or data to any Person in connection with a proposal by
any such Person, Quaker State's Board of Directors receives from such Person a
customary and reasonable executed confidentiality agreement and (iv) prior to
providing any non-public information or data to any Person or entering into
discussions or negotiations with any Person, Quaker State's Board of Directors
notifies Pennzoil promptly of such inquiries, proposal or offers received by,
any such information requested from, or any such discussions or negotiations
sought to be initiated or continued with, Quaker State, any Quaker State
Subsidiary or any of their officers, directors, employees, advisors and agents
indicating, in connection with such notice, the name of such Person and the
material terms and conditions of any proposals or offers.  Quaker State agrees
that it will immediately cease and cause to be terminated any existing
activities, discussions or negotiations with any parties conducted heretofore
with respect to any Quaker State Acquisition Proposal.  Quaker State agrees that
it shall keep Pennzoil informed, on a current basis, of the status and material
terms of any such proposals or offers and the status of any such discussions or
negotiations.

          (b)  Notwithstanding the foregoing, prior to the adoption of this
Agreement by the holders of Quaker State Capital Stock, the Board of Directors
of Quaker State may, if it has received a Superior Proposal, and if it concludes
in good faith (after consultation with its legal and financial advisors) that it
is advisable to do so in order to comply with its fiduciary duties to Quaker
State's shareholders under applicable law, (i) withdraw or modify its approval
or recommendation of the Merger or this Agreement or (ii) approve or recommend
such Superior Proposal or, subject to compliance with the requirements of
Section 8.3(a), terminate this Agreement (and concurrently with or after such
termination, if it so chooses, cause Quaker State to enter into any agreement
with respect to any Superior Proposal) but only at a time that is after the
second business day following Pennzoil's receipt of written notice from Quaker
State advising Pennzoil that the Board of Directors


                                         -56-
<PAGE>

of Quaker State has received a Superior Proposal, specifying the material terms
and conditions of such Superior Proposal and identifying the Person making such
Superior Proposal.  For purposes of this Agreement, a "Superior Proposal" means
any proposal or offer made by a third party to acquire, directly or indirectly,
for consideration consisting of cash and/or securities, more than 50% of the
combined voting power of the shares of Quaker State Capital Stock then
outstanding or a substantial portion of the assets of Quaker State and its
subsidiaries and otherwise on terms which the Board of Directors of Quaker State
determines in its good faith judgment to be more favorable to the Quaker State
shareholders than the Merger.

          (c)  Nothing contained in this Section 6.11 shall prohibit Quaker
State from taking and disclosing to its shareholders a position contemplated by
Rule 14e-2(a) promulgated under the Exchange Act or from making any disclosure
to Quaker State shareholders if, in the good faith judgment of the Board of
Directors of Quaker State (after consultation with its legal and financial
advisors), determines that it is advisable to do so in order to comply with its
fiduciary duties to the Quaker State shareholders under applicable law;
PROVIDED, HOWEVER, that neither Quaker State nor its Board of Directors nor any
committee thereof shall, except as permitted by Section 6.11(b), withdraw or
modify, or propose publicly to withdraw or modify, its position with respect to
this Agreement or the Merger or approve or recommend, or propose publicly to
approve or recommend, a Quaker State Acquisition Proposal.

          6.12 DIRECTOR AND OFFICER INDEMNIFICATION; INSURANCE.

          (a)  Without limiting the rights that any indemnified person may have
under applicable law, the parties agree that all rights of indemnification
existing as of the date hereof as provided in the respective charters and bylaws
of PPC and Quaker State shall survive the Merger and shall continue in full
force and effect in accordance with their terms for a period of six years
following the Effective Time.

          (b)  For a period of six years following the Effective Time, PPC shall
maintain in effect the current directors' and officers' liability insurance
policies maintained by Quaker State with respect to claims arising from facts or
events that occurred up to and including the Effective Time to the extent
available; PROVIDED, HOWEVER, that PPC may substitute therefor policies of at
least the same coverage and amounts containing terms and conditions that are no
less advantageous to the covered persons; PROVIDED FURTHER that PPC shall not be
required to pay an annual premium for such insurance in excess of 200% of the
higher of (i) the last annual premium paid by Quaker State or (ii) the last
annual premium paid by or on behalf of PPC prior to the date hereof, but in such
case shall purchase as much coverage as possible for such amount.

          (c)  For a period of six years following the Effective Time, Pennzoil
will maintain in effect directors' and officers' liability insurance policies
with respect to claims arising out of facts or events that occurred up to and
including the Effective Time to the extent available; PROVIDED, HOWEVER, that
Pennzoil may substitute therefor policies of at least the same coverage and
amounts and containing terms and conditions that are no less advantageous to the
PPC covered


                                         -57-
<PAGE>

persons; PROVIDED FURTHER that to the extent Pennzoil incurs increased premium
costs to continue coverage on behalf of PPC covered persons, PPC will pay
Pennzoil the increased premium costs related thereto; PROVIDED FURTHER that
neither PPC nor Pennzoil shall be required to pay any such amounts to the extent
such increased annual premiums are in excess of 200% of the higher of (i) the
last annual premium paid by Pennzoil or (ii) the last annual premium paid by or
on behalf of PPC prior to the date hereof, but in such case Pennzoil shall
purchase as much coverage as possible for such amount, and PPC will reimburse
such costs.

          (d)  This Section 6.12 is intended to be for the benefit of, and shall
be enforceable by, the persons for whom indemnification is provided pursuant to
this Section 6.12, their heirs and personal representatives, and shall be
binding on Pennzoil, PPC and Quaker State and their respective successors and
assigns.

          6.13 RULE 145 AFFILIATES.  Quaker State shall, at least 10 days prior
to the Effective Time, cause to be delivered to PPC a list, reviewed by its
counsel, identifying all persons who are, in its reasonable judgment, at the
time of the Quaker State Stockholders Meeting, "affiliates" of Quaker State for
purposes of Rule 145 promulgated by the SEC under the Securities Act (each, a
"Rule 145 Affiliate").  Quaker State shall furnish such information and
documents as PPC may reasonably request for the purpose of reviewing such list. 
Quaker State shall use all commercially reasonable efforts to cause each person
who is identified as a Rule 145 Affiliate in the list furnished pursuant to this
Section 6.14 to execute a written agreement (each, a "Rule 145 Affiliate
Agreement"), substantially in the form of EXHIBIT F to this Agreement, at or
prior to the Effective Time.

          6.14 PUBLIC ANNOUNCEMENTS.  Pennzoil, PPC and Quaker State shall
consult with each other and shall mutually agree upon any press release or
public announcement relating to the transactions contemplated by this Agreement
and shall not issue any such press release or make any such public announcement
prior to such consultation and agreement, except as may be required by
applicable law or by obligations pursuant to any listing agreement with any
national securities exchange, in which case the party proposing to issue such
press release or make such public announcement shall use all commercially
reasonable efforts to consult in good faith with the other party before issuing
any such press release or making any such public announcement.

          6.15 DEFENSE OF LITIGATION.  Each of Pennzoil, PPC and Quaker State
shall use all commercially reasonable efforts to defend against all actions,
suits or proceedings in which such party is named as a defendant that challenge
or otherwise seek to enjoin, restrain or prohibit the transactions contemplated
by this Agreement or seek damages with respect to such transactions.  None of
Pennzoil, PPC or Quaker State shall settle any such action, suit or proceeding
or fail to perfect on a timely basis any right to appeal any judgment rendered
or order entered against such party therein without having previously consulted
with the other party.  Each of Pennzoil, PPC and Quaker State shall use all
commercially reasonable efforts to cause each of its Affiliates, directors and
officers to use all commercially reasonable efforts to defend any such action,
suit or proceeding


                                         -58-
<PAGE>

in which such Affiliate, director or officer is named as a defendant and which
seeks any such relief to comply with this Section 6.15 to the same extent as if
such Person was a party.

          6.16 NOTIFICATION.

          (a)  From time to time prior to the Effective Time, each of Pennzoil,
PPC and Quaker State shall supplement or amend its respective Disclosure
Schedule with respect to any matter hereafter arising that, if existing or
occurring at the date of this Agreement, would have been required to be set
forth or described in such Disclosure Schedule or that is necessary to complete
or correct (i) any information in such Disclosure Schedule that is or has been
rendered untrue, inaccurate, incomplete or misleading, (ii) any representation
or warranty of such party in this Agreement that contains a qualification as to
materiality or Material Adverse Effect that has been rendered untrue or
inaccurate, in any respect, thereby or (iii) any representation or warranty of
such party in this Agreement that is not so qualified and that has been rendered
untrue or inaccurate, in any material respect, thereby.  Delivery of such
supplements shall be for informational purposes only and shall not expand or
limit the rights or affect the obligations of any party hereunder.  Such
supplements shall not constitute a part of the Pennzoil Disclosure Schedule, the
PPC Disclosure Schedule or the Quaker State Disclosure Schedule, as the case may
be, for purposes of this Agreement.

          (b)  Each of Pennzoil, PPC and Quaker State shall give prompt notice
to the other of the occurrence or nonoccurrence of any event the occurrence or
nonoccurrence of which has caused or is reasonably likely to cause (i) any
covenant or agreement of such party contained in this Agreement not to be
performed or complied with, in any material respect or (ii) any condition
contained in Article 7 to become incapable of being fulfilled at or prior to the
Effective Time; PROVIDED, HOWEVER, that the delivery of any notice pursuant to
this Section 6.16(b) shall not cure such breach or noncompliance or limit or
otherwise affect the remedies available hereunder to the party receiving such
notice.

          (c)  STATUS OF TRANSACTIONS.  Each of the parties hereto shall keep
the others informed on a timely basis as to the status of the transactions
contemplated by the Transaction Agreements and the obtaining of all necessary
and appropriate exemptions, rulings, consents, authorizations and waivers
related thereto.

          6.17 DEBT INSTRUMENTS.  Prior to or at the Effective Time, PPC and
each of its Subsidiaries, and Quaker State and each of its Subsidiaries (except
for the matters set forth in Section 5.3 of the Quaker State Disclosure
Schedule), shall use all commercially reasonable efforts to prevent the
occurrence, as a result of the Merger and the other transactions contemplated by
this Agreement, of a change in control or any event that constitutes a default
(or an event that, with notice or lapse of time or both, would become a default)
under any debt instrument of any such entity, including debt securities
registered under the Securities Act.


                                         -59-
<PAGE>

          6.18 QUAKER STATE RIGHTS PLAN.  Quaker State covenants and agrees with
PPC that, until the earlier of the Effective Time and the Termination Date,
except (a) as contemplated by Section 5.19 or (b) if the Quaker State Board of
Directors shall have taken actions permitted by Section 6.11(b), Quaker State
shall not (i) amend the Quaker State Rights Agreements, (ii) make a
determination under Section 11(a)(ii) of the Quaker State Rights Agreement that
any proposed or outstanding transaction (other than the Distribution  and the
Merger) in which any Person shall become an Acquiring Person is not a "Section
11(a)(ii) Event" or a "Section 13 Event" (each as defined in the Quaker State
Rights Agreement), (iii) redeem the Quaker State Rights or (iv) take any other
action to make the Quaker State Rights Agreement or the Quaker State Rights
inapplicable to a Quaker State Acquisition Proposal.

                                      ARTICLE 7

                               CONDITIONS TO THE MERGER

          7.1  CONDITIONS TO THE OBLIGATIONS OF PPC, PENNZOIL AND QUAKER STATE
TO EFFECT THE MERGER.  The respective obligations of PPC, Pennzoil and Quaker
State to consummate the Merger shall be subject to the fulfillment (or waiver by
PPC and Quaker State) at or prior to the Effective Time of the following
conditions:

          (a)  The Distribution  shall have been consummated in accordance with
the Distribution Agreement and the conditions to the consummation of the
Distribution set forth in Section 8.01 of the Distribution Agreement shall have
been satisfied or shall have been waived with a Quaker State Consent.

          (b)  All consents, approvals and authorizations of any Governmental
Authority legally required for the consummation of the transactions contemplated
by this Agreement and the other Transaction Agreements shall have been obtained
and be in effect at the Effective Time, except those consents the failure to
obtain would not be reasonably likely to have a Material Adverse Effect on PPC
or Quaker State;

          (c)  Any waiting period (including any extended waiting period arising
as a result of a request for additional information by either HSR Agency) under
the HSR Act shall have expired or been terminated and no court of competent
jurisdiction or other Governmental Authority shall have issued an Order that is
in effect restraining, enjoining, prohibiting or otherwise imposing any material
restrictions or limitations on the Distribution or the Merger;

          (d)  The Registration Statements shall have become effective in
accordance with the Securities Act and the Exchange Act and shall not be the
subject of any stop order or proceedings seeking a stop order; all necessary
permits and authorizations under state securities or Blue Sky laws, the
Securities Act and the Exchange Act relating to the issuance and trading of
shares of PPC Common Stock to be issued in connection with the Distribution  and
the Merger shall have been obtained and shall be in effect; and such shares of
PPC Common Stock and such other shares


                                         -60-
<PAGE>

required to be reserved for issuance in connection with the Distribution  and
the Merger shall have been Approved for Listing;

          (e)  The Requisite Approval shall have been obtained; 

          (f)  No court of competent jurisdiction or other Governmental
Authority shall have issued an order, decree, ruling or judgment that is still
in effect restraining, enjoining or prohibiting the Merger; 

          (g)  No action, proceeding or investigation by any Governmental
Authority with respect to the Merger shall be pending that seeks to restrain,
enjoin, prohibit or delay consummation of the transactions contemplated by this
Agreement or to impose any material restrictions or requirements thereon or on
either PPC or Quaker State with respect thereto;

          (h)  No action shall have been taken, and no statute, rule, regulation
or executive order shall have been enacted, entered, promulgated or enforced by
any Governmental Authority with respect to the Merger that, individually or in
the aggregate, would (i) restrain, prohibit or delay the consummation of the
Merger or (ii) impose material restrictions or requirements thereon or on either
PPC or Quaker State with respect thereto;

          (i)  The Pennzoil Board of Directors shall have received an opinion of
a nationally recognized investment banking or appraisal firm in form and
substance reasonably satisfactory to such Board of Directors and to Quaker State
to the effect that, after giving effect to the transactions set forth in the
Distribution Agreement, Pennzoil will not be insolvent (such opinion to be dated
as of the date of this Agreement, the date the Board of Directors of Pennzoil
declares the Distribution and the Distribution Date) and such opinion shall
entitle Quaker State to rely on such opinion as if the opinion were addressed to
Quaker State; and

          (j)  Pennzoil shall have received the Section 355 Ruling.

          7.2  ADDITIONAL CONDITIONS TO THE OBLIGATIONS OF PPC.  The obligation
of PPC to consummate the Merger shall be subject to the fulfillment (or waiver
by PPC) at or prior to the Effective Time of the following additional
conditions:

          (a)  Quaker State shall have performed in all material respects its
covenants and agreements contained in this Agreement required to be performed at
or prior to the Effective Time and the representations and warranties of Quaker
State contained in this Agreement shall be true and correct in all respects as
of the date of this Agreement and as of the Effective Time as if made as of the
Effective Time (except to the extent such representations and warranties address
matters as of a particular date), except in each case (i) where the failure to
be true and correct, individually or in the aggregate, would not be reasonably
likely to have a Material Adverse Effect on PPC or Quaker State or (ii) to the
extent specifically contemplated or permitted by this Agreement;


                                         -61-
<PAGE>

          (b)  Quaker State shall have obtained the consent or approval of each
Person whose consent or approval shall be required for the consummation of the
Merger under any Contract to which Quaker State shall be a party or by which its
properties and assets are bound, except (i) where the failure to so obtain such
consents and approvals, individually or in the aggregate, would not be
reasonably likely to have a Material Adverse Effect on Quaker State or upon the
consummation of the transactions contemplated by this Agreement or (ii) to the
extent that alternative arrangements (reasonably acceptable to PPC) relating to
the failure to obtain any such consent or approval are otherwise provided for;

          (c)  Quaker State shall have delivered to PPC a certificate, dated as
of the Effective Time, of a senior officer of Quaker State certifying the
satisfaction by Quaker State of the conditions set forth in subsection (a) of
this Section 7.2;

          (d)  PPC shall have received from each Rule 145 Affiliate of Quaker
State an executed copy of a Rule 145 Affiliate Agreement as contemplated by
Section 6.14; and

          (e)  Pennzoil and PPC shall have received an opinion of Baker & Botts,
L.L.P., a copy of which will be furnished to Quaker State, to the effect that
the Merger will constitute a reorganization for federal income tax purposes
within the meaning of Section 368(a) of the Code.  In rendering such opinion,
Baker & Botts may require and rely upon representations contained in
certificates of officers of PPC, Merger Sub, Quaker State and others.

          7.3  ADDITIONAL CONDITIONS TO THE OBLIGATIONS OF QUAKER STATE.  The
obligation of Quaker State to consummate the Merger shall be subject to the
fulfillment (or waiver by Quaker State) at or prior to the Effective Time of the
following additional conditions:

          (a)  PPC and Pennzoil shall have performed in all material respects
their respective covenants and agreements contained in the Transaction
Agreements required to be performed at or prior to the Effective Time and the
representations and warranties of PPC and Pennzoil contained in the Transaction
Agreements shall be true and correct in all respects as of the date of this
Agreement and as of the Effective Time as if made as of the Effective Time
(except to the extent such representations and warranties address matters as of
a particular date), except in each case (i) where the failure to be true and
correct, individually or in the aggregate, would not be reasonably likely to
have a Material Adverse Effect on PPC or Quaker State or (ii) to the extent
specifically contemplated or permitted by this Agreement;

          (b)  PPC shall have obtained the consent or approval of each Person
whose consent or approval shall be required for the consummation of the Merger
under any Contract to which PPC shall be a party or by which its properties and
assets are bound, except (i) where the failure to so obtain such consents and
approvals, individually or in the aggregate, would not be reasonably likely to
have a Material Adverse Effect on PPC or the Surviving Corporation or upon the
consummation of the transactions contemplated by this Agreement or (ii) to the
extent that


                                         -62-
<PAGE>

alternative arrangements (reasonably acceptable to Quaker State) relating to the
failure to obtain any such consent or approval are otherwise provided for;

          (c)  PPC shall have delivered to Quaker State a certificate, dated as
of the Effective Time, of a senior officer of PPC certifying the satisfaction by
PPC of the conditions set forth in subsection (a) of this Section 7.3;

          (d)  Prior to the Distribution Date, PPC shall have adopted a Rights
Agreement in form and substance reasonably satisfactory to Quaker State, which
agreement shall be in full force and effect;

          (e)  Quaker State shall have received an opinion from Debevoise &
Plimpton, a copy of which will be furnished to Pennzoil and PPC, to the effect
that the Merger will constitute a reorganization for federal income tax purposes
within the meaning of Section 368(a) of the Code.  In rendering such opinion,
Debevoise & Plimpton may require and rely upon representations contained in
certificates of officers of PPC, Merger Sub, Quaker State and others;

          (f)  PPC shall have delivered a copy of the Section 355 Ruling to
Quaker State, and Quaker State shall have been reasonably satisfied that the
Distribution has taken place in accordance with the terms set forth in the
Distribution Agreement and the Section 355 Ruling; and

          (g)  PPC and Pennzoil shall have entered into the Trademark License
Agreement, the Tax Separation Agreement, the Employee Benefits Agreement, the
Transition Services Agreement and the Distribution Agreement and each such
agreement shall be in full force and effect.

                                      ARTICLE 8

                          TERMINATION, AMENDMENT AND WAIVERS

          8.1  TERMINATION.  This Agreement may be terminated and the
transactions contemplated hereby may be abandoned at any time prior to the
Effective Time whether before or after the Requisite Approval:

          (a)  by the mutual consent of each party hereto, which consent shall
be effected by action of the Board of Directors of each such Party;

          (b)  by any party if the Effective Time shall not have occurred on or
before December 15, 1998, PROVIDED that the right to terminate this Agreement
pursuant to this clause (b) shall not be available to any party whose failure to
perform any of its obligations under this Agreement required to be performed by
it at or prior to such date has been a cause of, or contributed to, the failure
of the Merger to have become effective on or before such date;


                                         -63-
<PAGE>

          (c)  by any party if any court of competent jurisdiction or any other
Governmental Authority shall have issued an order, decree, ruling or judgment
(other than a temporary restraining order) restraining, enjoining or otherwise
prohibiting the Merger and such order, decree, ruling or judgment shall have
become final and nonappealable, PROVIDED that, if the party seeking to terminate
this Agreement pursuant to this clause (c) is a party to the applicable
proceeding, such party shall have used all commercially reasonable efforts to
remove such order, decree, ruling or judgment;

          (d)  by Quaker State if (i) either Pennzoil or PPC shall have failed
to perform in all material respects its respective covenants and agreements
contained in this Agreement required to be performed at or prior to the
Effective Time, or (ii) the respective representations and warranties of
Pennzoil or PPC contained in this Agreement are or shall become untrue in any
respect (except to the extent such representations and warranties address
matters as of a particular date), except where the failure to be true and
correct, individually or in the aggregate, would not be reasonably likely to
have a Material Adverse Effect on PPC or Quaker State; PROVIDED that the right
of Quaker State to terminate this Agreement pursuant to this subsection (d)
shall not be available unless Pennzoil and PPC shall have been unable to cure
such failure or such untruth for 30 calendar days after Quaker State shall have
given Pennzoil and PPC notice of such failure or such untruth;

          (e)  by Pennzoil if (i) Quaker State shall not have performed in all
material respects its covenants and agreements contained in this Agreement
required to be performed at or prior to the Effective Time, or (ii) the
representations and warranties of Quaker State contained in this Agreement are
or shall become untrue in any respect (except to the extent such representations
and warranties address matters as of a particular date), except (x) where the
failure to be true and correct, individually or in the aggregate, would not be
reasonably likely to have a Material Adverse Effect on Quaker State or PPC or
(y) to the extent specifically contemplated or permitted by this Agreement;
PROVIDED that the right of Pennzoil to terminate this Agreement pursuant to this
subsection (e) shall not be available unless Quaker State shall have been unable
to cure such failure or such untruth for 30 calendar days after Pennzoil shall
have given Quaker State notice of such failure or such untruth;

          (f)  by Quaker State in accordance with Section 6.11(b) hereof,
PROVIDED that it has complied with all the provisions thereof and it has
complied with the requirements of Section 8.3(a);

          (g)  by Pennzoil or Quaker State if, at the Quaker State Stockholders'
Meeting (including any adjournment, continuation or postponement thereof), the
Requisite Approval shall not be obtained; or

          (h)  by Pennzoil, if (i) the Board of Directors of Quaker State (or
any committee thereof), pursuant to Section 6.11(b) hereof, shall have withdrawn
or modified its approval or recommendation of the Merger or this Agreement,
approved or recommended to Quaker State stockholders a Superior Proposal or
resolved to do any of the foregoing, (ii) after the receipt by


                                         -64-
<PAGE>

Quaker State of a Quaker State Acquisition Proposal, Pennzoil requests in
writing that the Board of Directors of Quaker State reconfirm its recommendation
of this Agreement to the Quaker State stockholders and the Board of Directors of
Quaker State fails to do so within ten business days after its receipt of
Pennzoil's request, (iii) Quaker State fails to call and hold the Quaker State
Stockholders Meeting within 60 days after the effectiveness of PPC's
Registration Statement on Form S-4, or (iv) any failure of PPC's Registration
Statement on Form S-4 to become effective due to the inability of PPC to
complete such Registration Statement solely as a result of actions or
non-actions by Quaker State.

          8.2  EFFECT OF TERMINATION.  In the event of termination of this
Agreement pursuant to Section 8.1, this Agreement shall terminate (except to the
extent set forth in the last sentence of Section 9.1(a) and Section 9.2),
without any liability on the part of any party or its directors, officers or
stockholders except as set forth in Section 8.3; PROVIDED, that nothing in this
Agreement other than the provisions of Section 8.3(b) shall relieve any party of
liability for breach of this Agreement or prejudice the ability of the
non-breaching party to seek damages from any other party for any breach of this
Agreement, including without limitation, attorneys' fees and the right to pursue
any remedy at law or in equity.

          8.3  TERMINATION FEE.

          (a)  In the event of termination of this Agreement by Quaker State
pursuant to Section 8.1(f), such termination shall not be effective unless and
until Quaker State shall have paid to Pennzoil a fee, in immediately available
funds, of $20,000,000 (the "Termination Fee").  In the event of termination of
this Agreement pursuant to Section 8.1(g), Quaker State shall pay to Pennzoil
the Termination Fee in immediately available funds, within two business days
after such termination, if and only if, at the time of such termination, the
Board of Directors of Quaker State shall have failed to recommend that Quaker
State stockholders approve the Merger and adopt this Agreement or such
recommendation shall have been withdrawn or modified in a manner that is adverse
to Pennzoil.  In the event of termination of this Agreement by Pennzoil pursuant
to Section 8.1(h)(i), Quaker State shall pay to Pennzoil the Termination Fee
within two business days after such termination.

          (b)  The Termination Fee shall constitute liquidated damages and such
party's sole and exclusive remedy for any and all liabilities and obligations
for damages arising under or in connection with this Agreement and the other
Transaction Agreements, and upon the payment of such Termination Fee, no party
to this Agreement shall have any liability or further obligation to the other
party under or in connection with this Agreement (excluding the Confidentiality
Agreement) or the termination hereof, PROVIDED that this sentence is intended to
limit the remedies available to a party only when the Termination Fee is paid or
payable to such party.  The provisions of this Section 8.3 shall not impose any
limitation with respect to any claim that any party may have against any Person
who is not a party.  The parties hereby acknowledge that the agreements made in
this Section 8.3 are integral to this Agreement and without such agreements,
they would not enter into this Agreement.


                                         -65-
<PAGE>

          8.4  AMENDMENT.  This Agreement may be amended by Pennzoil, PPC and
Quaker State at any time before or after adoption of this Agreement by the
stockholders of Quaker State; PROVIDED, HOWEVER, that after such adoption, no
amendment shall be made that by law requires further approval by such
stockholders without such further approval.  This Agreement may not be amended
except by an instrument in writing signed by Pennzoil, PPC and Quaker State.

          8.5  WAIVERS.  At any time prior to the Effective Time, Pennzoil, PPC
and Quaker State may, to the extent legally allowed, (i) extend the time for the
performance of any of the obligations or acts of the other party; (ii) waive any
inaccuracies in the representations and warranties of the other party contained
herein or in any document delivered pursuant to this Agreement and (iii) waive
compliance with any of the agreements or conditions of the other party contained
herein; PROVIDED, HOWEVER, that no failure or delay by Pennzoil, PPC or Quaker
State in exercising any right hereunder shall operate as a waiver thereof nor
shall any single or partial exercise thereof preclude any other or further
exercise thereof or the exercise of any other right hereunder.  Any agreement on
the part of Pennzoil, PPC or Quaker State to any such extension or waiver shall
be valid only if set forth in an instrument in writing signed on behalf of such
party.

                                      ARTICLE 9

                                    MISCELLANEOUS

          9.1  SURVIVAL OF REPRESENTATIONS, WARRANTIES AND AGREEMENTS;
INDEMNIFICATION.

          (a)  Except as set forth in this Section 9.1(a) and for the agreements
set forth in Sections 6.8 and 6.12, none of the agreements in this Agreement or
in any certificate or instrument delivered pursuant to this Agreement shall
survive the Effective Time.  None of the representations or warranties in this
Agreement or in any certificate or instrument delivered pursuant to this
Agreement shall survive the Effective Time.  The Confidentiality Agreement shall
survive the execution and delivery of this Agreement and any termination of this
Agreement, and the provisions of the Confidentiality Agreement shall apply to
all information and material furnished by any party or its representatives
thereunder or hereunder.

          (b)  Following the Effective Time, Pennzoil will indemnify, defend and
hold harmless PPC, Quaker State and each Person, if any, who controls, within
the meaning of Section 15 of the Securities Act or Section 20 of the Exchange
Act (any such person being hereinafter referred to as a "Controlling Person"),
PPC or Quaker State from and against, and pay or reimburse each of the foregoing
for, all losses, claims, damages, liabilities, actions, costs and expenses,
joint or several, including reasonable attorneys' fees (collectively, "Losses"),
arising out of or resulting from, directly or indirectly, of in connection with:

          (i)   any assets or liabilities of, or the operations of, Pennzoil or
     any of its Subsidiaries (other than PPC and its Subsidiaries).


                                         -66-
<PAGE>

          (ii)  any untrue statement or alleged untrue statement of a material
     fact contained in or incorporated by reference into either of the
     Registration Statements or in the Proxy Statement/Prospectus (or any
     amendment or supplement thereto) or any omission or alleged omission to
     state therein a material fact required to be stated therein or necessary to
     make the statements therein, in light of the circumstances under which they
     were made, not misleading PROVIDED, HOWEVER, that Pennzoil shall not be
     responsible for information provided by Quaker State specifically for
     inclusion in, or incorporation by reference into, any such Proxy
     Statement/Prospectus or Registration Statement.

          (iii)  any financial advisory, broker's, finder's or similar fee or
     commission, reimbursement of expenses or indemnification or contribution
     payable in connection with the transactions contemplated by this Agreement
     and the other Transaction Agreements to any agent, broker, investment
     banker, financial advisor or other similar Person (x) by Pennzoil or (y) by
     PPC in excess of the amount set forth in Section 4.17 of the PPC Disclosure
     Schedule.

          (c)  Following the Effective Time, PPC and Quaker State will jointly
and severally indemnify, defend and hold harmless Pennzoil and each controlling
person of Pennzoil from and against, and pay or reimburse each of the foregoing
for, all Losses arising out of or resulting from, directly or indirectly, of in
connection with:

          (i)   any assets or liabilities of, or the operations of, PPC and
     Quaker State or any of their Subsidiaries;

          (ii)  any untrue statement or alleged untrue statement of a material
     fact contained in or incorporated by reference into either of the
     Registration Statements or in the Proxy Statement/Prospectus (or any
     amendment or supplement thereto) or any omission or alleged omission to
     state therein a material fact required to be stated therein or necessary to
     make the statements therein, in light of the circumstances under which they
     were made, not misleading, but only with respect to information provided by
     Quaker State specifically for inclusion in, or incorporation by reference
     into, any such Proxy Statement/Prospectus or Registration Statement.

          9.2  EXPENSES.  Except as otherwise provided in the Distribution
Agreement, whether or not the Merger or the other transactions contemplated by
this Agreement are consummated, all costs and expenses incurred in connection
with this Agreement and the transactions contemplated hereby shall be paid by
the party incurring such costs or expenses.

          9.3  NOTICES.  All notices and other communications hereunder shall be
in writing and shall be deemed given upon (a) a transmitter's confirmation of a
receipt of a facsimile transmission (but only if followed by confirmed delivery
of a standard overnight courier the following business day or if delivered by
hand the following business day), (b) confirmed delivery of a standard overnight
courier or when delivered by hand or (c) the expiration of five business days


                                         -67-
<PAGE>

after the date mailed by certified or registered mail (return receipt
requested), postage prepaid, to the parties at the following addresses (or at
such other addresses for a party as shall be specified by like notice):

          If to Pennzoil, to:

          Pennzoil Company
          Pennzoil Place
          P.O. Box 2967
          Houston, Texas 77252-2967
          Attention:  Corporate Secretary
          Facsimile:  713-546-3757

          If to PPC or Merger Sub, to:

          Pennzoil Products Company
          P.O. Box 2967
          Houston, Texas 77252-2967
          Attention:  Corporate Secretary
          Facsimile:  713-546-3757

          If to Quaker State, to:

          Quaker State Corporation
          225 E. John Carpenter Freeway
          Irving, Texas 75062
          Attention:  Paul E. Konney
          Facsimile:  972-868-0440

          with a copy (which shall not constitute effective notice) to:

          Debevoise & Plimpton
          875 Third Avenue
          New York, New York 10022
          Attention:  Richard Bohm
          Facsimile:  212-909-6836

          9.4  CERTAIN CONSTRUCTION RULES.  The article and section headings and
the table of contents contained in this Agreement are for reference purposes
only and shall not affect in any way the meaning or interpretation of this
Agreement.  As used in this Agreement, unless otherwise provided to the
contrary, (a) all references to days or months shall be deemed references to
calendar days or months and (b) any reference to a "Section," "Article,"
"Exhibit" or "Schedule" shall be deemed to refer to a section or article of this
Agreement or an exhibit or schedule to this Agreement.


                                         -68-
<PAGE>

The words "hereof," "herein" and "hereunder" and words of similar import
referring to this Agreement refer to this Agreement as a whole and not to any
particular provision of this Agreement.  Whenever the words "include,"
"includes" or "including" are used in this Agreement, they shall be deemed to be
followed by the words "without limitation."  Unless otherwise specifically
provided for herein, the term "or" shall not be deemed to be exclusive. 
Information contained in a Section or Subsection of the PPC Disclosure Schedule,
the Pennzoil Disclosure Schedule or the Quaker State Disclosure Schedule (or
expressly incorporated into such Section or Subsection) shall qualify only those
representations, warranties and agreements of PPC, Pennzoil or Quaker State, as
the case may be, made in the identically numbered Section or Subsection of this
Agreement, and shall not be deemed to qualify the representations, warranties or
agreements made in any other Section or Subsection.

          9.5  SEVERABILITY.  If any provision of this Agreement or the
application of any such provision to any Person or circumstance, shall be
declared judicially to be invalid, unenforceable or void, such decision shall
not have the effect of invalidating or voiding the remainder of this Agreement,
it being the intent and agreement of PPC, Pennzoil, Merger Sub and Quaker State
that this Agreement shall be deemed amended by modifying such provision to the
extent necessary to render it valid, legal and enforceable while preserving its
intent or, if such modification is not possible, by substituting therefor
another provision that is legal and enforceable and that achieves the same
objective.

          9.6  ASSIGNMENT; BINDING EFFECT.  Neither this Agreement nor any of
the rights, benefits or obligations hereunder may be assigned by PPC, Pennzoil,
Merger Sub or Quaker State (whether by operation of law or otherwise) without
the prior written consent of all of the other parties.  Subject to the preceding
sentence, this Agreement will be binding upon, inure to the benefit of and be
enforceable by PPC, Pennzoil, Merger Sub and Quaker State and their respective
successors and permitted assigns.

          9.7  NO THIRD PARTY BENEFICIARIES.  Except as provided in
Section 6.12, nothing in this Agreement, express or implied, is intended to or
shall confer upon any Person (other than Pennzoil, Merger Sub, PPC and Quaker
State or their respective successors or permitted assigns) any legal or
equitable right, benefit or remedy of any nature whatsoever under or by reason
of this Agreement, and no Person (other than as so specified) shall be deemed a
third party beneficiary under or by reason of this Agreement.

          9.8  LIMITED LIABILITY.  Notwithstanding any other provision of this
Agreement, no stockholder, director, officer, Affiliate, agent or representative
of PPC, Pennzoil, Merger Sub or Quaker State, in its capacity as such, shall
have any liability in respect of or relating to the covenants, obligations,
representations or warranties of such party under this Agreement or in respect
of any certificate delivered with respect hereto or thereto and, to the fullest
extent legally permissible, each of PPC, Pennzoil, Merger Sub and Quaker State,
for itself and its stockholders, directors, officers and Affiliates, waives and
agrees not to seek to assert or enforce any such liability that any such Person
otherwise might have pursuant to applicable law.


                                         -69-
<PAGE>

          9.9  ENTIRE AGREEMENT.  This Agreement (together with the other
Transaction Agreements, the Confidentiality Agreement, the exhibits and the
Disclosure Schedules and the other documents delivered pursuant hereto)
constitute the entire agreement of all the parties hereto and supersedes all
prior and contemporaneous agreements and understandings, both written and oral,
between the parties, or either of them, with respect to the subject matter
hereof.  All exhibits and schedules attached to this Agreement and the
Disclosure Schedules are expressly made a part of, and incorporated by reference
into, this Agreement.

          9.10 GOVERNING LAW.  This Agreement shall be governed by, and
construed in accordance with, the laws of the State of Delaware without giving
effect to the conflicts of law principles thereof.  EACH OF THE PARTIES TO THIS
AGREEMENT HEREBY IRREVOCABLY AND UNCONDITIONALLY (i) AGREES TO BE SUBJECT TO,
AND HEREBY CONSENTS AND SUBMITS TO, THE JURISDICTION OF THE COURTS OF THE STATE
OF DELAWARE AND OF THE FEDERAL COURTS SITTING IN THE STATE OF DELAWARE, (ii) TO
THE EXTENT SUCH PARTY IS NOT OTHERWISE SUBJECT TO SERVICE OF PROCESS IN THE
STATE OF DELAWARE, HEREBY APPOINTS THE CORPORATION TRUST COMPANY, AS SUCH
PARTY'S AGENT IN THE STATE OF DELAWARE FOR ACCEPTANCE OF LEGAL PROCESS AND (iii)
AGREES THAT SERVICE MADE ON ANY SUCH AGENT SET FORTH IN (ii) ABOVE SHALL HAVE
THE SAME LEGAL FORCE AND EFFECT AS IF SERVED UPON SUCH PARTY PERSONALLY WITHIN
THE STATE OF DELAWARE.

          9.11 COUNTERPARTS.  This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original, but all of which
together shall constitute one agreement binding on PPC, Pennzoil and Quaker
State, notwithstanding that not all parties are signatories to the original or
the same counterpart.

          9.12 RETENTION PAY PROGRAM.  After the date hereof, Quaker State shall
implement a retention pay program in the form of EXHIBIT G attached hereto
("Retention Pay Program") for certain Quaker State Employees, which shall
provide for payments to such Quaker State Employees if such employees remain in
the employ of Quaker State or its Subsidiaries until the earlier of (i) the
Effective Time and (ii) the Termination Date.  Pennzoil will fund up to
$15,000,000 from time to time for the Retention Program.  Once paid, any such
amount funded by Pennzoil with respect to the Retention Program will not be
refundable by Quaker State, PROVIDED that if the Termination Fee is required to
be paid by Quaker State to Pennzoil, the full amounts previously funded by
Pennzoil shall be immediately repaid by Quaker State to Pennzoil.  Pennzoil will
fund the amounts required by Quaker State to pay the Quaker State Employees
participating in the Retention Program as such amounts become payable by Quaker
State to the participating Quaker State Employees.  If Pennzoil's retention pay
obligations have not been fully funded at the time of any termination of this
Agreement or at the Effective Time, the balance of such retention pay amount
will be paid by Pennzoil to Quaker State upon such termination or upon the
Effective Time, subject to the proviso above.  The Quaker State Employees
participating in the Retention Program will be determined by Quaker State
following consultation with Pennzoil.  Pennzoil and PPC acknowledge that such


                                         -70-
<PAGE>

payment is for good and valuable consideration, the receipt and sufficiency of
which is hereby acknowledged.

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


                                            PENNZOIL PRODUCTS COMPANY


                                            By: /s/ David P. Alderson, II
                                               --------------------------------
                                                Name:  David P. Alderson, II
                                                Title: Vice President



                                            DOWNSTREAM MERGER COMPANY


                                            By: /s/ David P. Alderson, II
                                               --------------------------------
                                                Name:  David P. Alderson, II
                                                Title: Vice President



                                            QUAKER STATE CORPORATION


                                            By: /s/ Herbert M. Baum
                                               --------------------------------
                                                Name:  Herbert M. Baum
                                                Title: Chairman of the Board and
                                                       Chief Executive Officer



                                            PENNZOIL COMPANY


                                            By: /s/ James L. Pate
                                               --------------------------------
                                                Name:  James L. Pate
                                                Title: Chairman of the Board and
                                                       Chief Executive Officer


                                         -71-

<PAGE>

[LOGO]                             [LOGO]                             [LOGO]
CONTACTS:                     Bob Harper               Steve Blum
                              Pennzoil Company         Quaker State Corporation
                              713-546-8536             972-868-0438



               PENNZOIL AND QUAKER STATE TO FORM PREMIER AUTOMOTIVE 
                       PRODUCTS AND CONSUMER CAR CARE COMPANY
                                          
            PENNZOIL, IN MAJOR RESTRUCTURING, TO SPIN-OFF PRODUCTS GROUP
                                          
             TRANSACTION CREATES $3 BILLION CONSUMER PRODUCTS COMPANY 
                             AND A LEADING E&P COMPANY

     HOUSTON (April 15, 1998) -- Pennzoil Company (NYSE: PZL) and Quaker State
Corporation (NYSE: KSF) announced today that they have entered into a definitive
agreement to create a new publicly-traded company by combining the motor oil,
refined products and franchise operations of Pennzoil with all of Quaker State.
The merger will create a premier worldwide automotive aftermarket products and
consumer car care company, with annual sales expected to exceed $3 billion.

     The transaction is part of a comprehensive restructuring by Pennzoil that
will result in separating Pennzoil's motor oil, refined products, and franchise
operations from its exploration and production operations. Pennzoil's motor oil,
refined products and franchise operations will then be combined with all of
Quaker State to form a new and yet to be named company.

     James L. Pate, Pennzoil's chairman and chief executive officer, said,
"These are major strategic actions and a defining moment in Pennzoil Company's
long and illustrious history. They represent significant steps in Pennzoil's
efforts to maximize long-term shareholder value. The spin-off of our automotive
consumer products and manufacturing businesses will unlock substantial, but
unrecognized value, create a large, focused independent exploration and
production company, and position both the upstream and downstream companies for
growth."


                                          1

<PAGE>

     Herbert M. Baum, Quaker State's chairman and chief executive officer added,
"This merger will create a new and dynamic consumer automotive aftermarket
company, offering consumers a wide array of branded automotive products and an
excellent service organization. By combining our company with Pennzoil's
automotive consumer products and manufacturing businesses and realizing
substantial synergies and efficiencies, the new company will be able to achieve
growth and returns well in excess of those we could have generated
independently."

     The merger is expected to be tax free to Pennzoil, Quaker State and their
respective shareholders and will be accomplished in two steps. First, Pennzoil's
motor oil, refined products and franchise operations will be spun off to
Pennzoil's shareholders. Second, those businesses and Quaker State will combine
in a stock-for-stock merger.

     Pennzoil and Quaker State shareholders will own 61.5 percent and 38.5
percent, respectively, of the newly combined company, which will have
approximately 77.4 million shares outstanding. Pennzoil shareholders will
continue to hold their existing Pennzoil shares plus they will receive one share
of the new company for each Pennzoil share held. Quaker State shareholders will
receive .82 shares of the new company for each share of Quaker State.

     Pro forma for 1997, Pennzoil's downstream businesses had revenues and
recurring operating income of approximately $2 billion and $92 million,
respectively. As part of the spin-off, it is expected that the downstream
businesses will have approximately $436 million of long-term debt and $64
million of capitalized lease obligations immediately prior to the merger with
Quaker State. Quaker State's revenues and recurring operating income for 1997
were approximately $1.2 billion and $64 million, respectively, and its long-term
debt as of year-end 1997 was approximately $429 million.

     The merged company will be a leader in automotive consumer products in
North America. It will have strong brand positions in key product categories,
such as motor oil with Pennzoil-Registered Trademark- and Quaker
State-Registered Trademark-, fast oil changes with Jiffy Lube-Registered
Trademark-


                                          2

<PAGE>

and Q-Lube-Registered Trademark-, and car care products with Slick 
50-Registered Trademark-, Rain-X-Registered Trademark-, Blue Coral-Registered 
Trademark-, Medo-Registered Trademark-, Gumout-Registered Trademark-, 
Fix-a-Flat-Registered Trademark-, Classic-Registered Trademark- Car Wax and 
others.

     The companies anticipate that the merger will generate cost savings of 
$90 million to $125 million annually from the elimination of duplicate 
functions, combined purchasing efficiencies, synergies in distribution and 
marketing, and streamlining of general and administrative functions.  The 
resulting company's unique business mix and geographic strengths will also 
lead to accelerated worldwide growth, increased financial and strategic 
flexibility and strengthened merchandising.  In connection with its program 
to generate annual cost savings and record the effects of certain expenses 
and other charges related to the spin-off and the merger, the new company 
expects to take initial restructuring charges and incur other one-time 
expenditures ranging from approximately $150 to $200 million in aggregate.

     Mr. Pate will be chairman and chief executive officer of the newly formed
automotive consumer products company, and Mr. Baum will become vice chairman. 
The board will consist of Mr. Pate, four other members appointed by Pennzoil,
Mr. Baum and two other members appointed by Quaker State.  A committee 
consisting of Mr. Pate, Mr. Baum, one Pennzoil director and one Quaker State 
director will be responsible for recruiting a world class marketing executive 
to be president and chief operating officer and serve on the new company's 
nine-member board.

     Separately, Pennzoil Exploration and Production Company will continue as
one of the largest U.S. based independent oil and gas companies.  Pennzoil's oil
and gas business concentrates on three key geographic areas: domestic onshore,
domestic offshore and international.  The company is highly focused on its
substantial core domestic asset base and high potential international
concessions that provide a solid foundation for growth.  Pennzoil holds
significant exploration and development concessions in Azerbaijan, Egypt and
Venezuela.  Over the past five years, operating costs have been reduced over 25
percent and reserve additions have been nearly 140 percent of production.

     Mr. Pate added, "Pennzoil Exploration and Production Company is well
positioned for growth.  The company has strong management in place, led by


                                          3
<PAGE>

industry veterans Steve Chesebro' and Don Frederick.  Separating the automotive
consumer products and manufacturing assets from our E&P business will create two
pure-play companies and allow Pennzoil's shareholders to realize the full value
of each business.  The combination of our downstream businesses with Quaker
State significantly enhances the benefits of the restructuring to Pennzoil's
shareholders.  This transaction continues the program Pennzoil has followed for
the past several years to streamline our businesses, improve earnings and cash
flow, and maximize shareholder value.

     "Both the new consumer products company and Pennzoil Exploration and
Production Company will have their own securities for use in financing growth
through acquisitions, with the market having the flexibility to value Pennzoil
Exploration and Production Company on a cash flow basis and the new consumer
products company on an earnings basis.

     "Quaker State has made significant progress under Herb Baum in
repositioning the company, expanding its consumer products and strengthening its
flagship brand.  I look forward to working with Herb as this new car care
company takes a leadership position in the automotive after-market industry,"
Mr. Pate said.

     Mr. Baum said, "This is an exciting opportunity for the shareholders of
Quaker State and Pennzoil to create a premier car care consumer products company
in the U.S.  Together we will offer consumers a full range of high quality
automotive products and services building on our strong national brands, solid
franchisee and distributor relationships and the growing consumer demand in the
automotive products market.  The combined company will achieve significant
synergies and allow us to operate our overall lubricants and lubricants services
businesses more efficiently, creating greater value for our shareholders and
superior service and products for our consumers.  Additionally, our branded
consumer automotive products group will be the most complete aftermarket branded
products company in North America.

     "Over the past four years, Quaker State has achieved a solid turnaround
through improved operating efficiencies, marketing and brand management and
targeted acquisitions.  We are now well positioned to take this next major step
for


                                          4
<PAGE>

growth and increased profitability, which this transaction will make possible. 
Quaker State employees, who have been the backbone of our success, will be
treated fairly and equitably," Mr. Baum continued.

     The annual dividend of the newly combined company will be 75 cents per
share, and the annual dividend of Pennzoil Exploration and Production Company
will be 25 cents per share.  After completion of this transaction, Pennzoil
shareholders will continue to receive a total combined annual dividend equal to
Pennzoil's current annual dividend of $1.00 per share.  The annual dividend to
Quaker State's shareholders on their shares in the new automotive aftermarket
products and consumer car care company will represent a 54 percent increase over
Quaker State's current annual dividend of 40 cents per share.

     The merger is conditioned upon the approval of Quaker State shareholders,
receipt of certain tax rulings and a Hart-Scott-Rodino review.  The companies
anticipate that the transaction should close in the second half of 1998.  The
transaction will be accounted for using the purchase method.

     Lehman Brothers Inc. is acting as financial advisor to Pennzoil on the
combination of its products group with Quaker State, and Lehman Brothers Inc.,
Evercore Group Inc. and J.P. Morgan Securities Inc. are acting as financial
advisors to Pennzoil on its restructuring.  Chase Securities Inc. and Goldman,
Sachs & Co. are acting as financial advisors to Quaker State.

     Pennzoil Company explores for and produces crude oil and natural gas,
manufactures and markets premium quality lubricants, including America's top
selling motor oil for the past 12 years, and is the parent company of Jiffy Lube
International, the world's largest franchisor of fast oil change centers.

     Quaker State is principally a manufacturer and distributor of leading
consumer aftermarket products and services, including motor oil and a full-range
of high-quality automotive treatment, appearance, accessory and air freshener
products.


                                         ###


                                          5


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