Document:

Officers' Supplemental Retirement Plan, as amended December 13, 2004

 Exhibit 10.29 
 THE LUBRIZOL CORPORATION 
 OFFICERS’
SUPPLEMENTAL 
 RETIREMENT PLAN 
 (As Amended) 
 The Lubrizol Corporation hereby establishes, effective as of January 1, 1993,
The Lubrizol Corporation Officers’ Supplemental Retirement Plan (the “Plan”) for the purpose of providing deferred compensation benefits to a select group of management or highly compensated employees. 
 Section 1. Definitions. For the purposes hereof, the following words and phrases shall have the meanings indicated, unless a different meaning is
plainly required by the context: 
 (a) Beneficiary. The term “Beneficiary” shall mean a person who is designated by a Participant to
receive benefits payable upon his death pursuant to the provisions of Section 6. 
 (b) Code. The term “Code” shall mean the
Internal Revenue Code as amended from time to time. Reference to a section of the Code shall include such section and any comparable section or sections of any future legislation that amends, supplements, or supersedes such section. 
 (c) Company. The term “Company” shall mean The Lubrizol Corporation, an Ohio corporation, its corporate successors and the surviving corporation
resulting from any merger of The Lubrizol Corporation with any other corporation or corporations. 
 (d) Credited Service. The term
“Credited Service” shall mean a Participant’s years of service with the Company equal to the number of full and fractional years of service (to the nearest twelfth of a year) beginning on the date the Participant first performed an
hour of service for the Company and ending on the date he is no longer employed by the Company. 
 (e) Final Average Pay. Effective,
January 1, 1997, the term “Final Average Pay” shall mean the aggregated amount of Basic Compensation (as that term is defined in the Lubrizol Pension Plan modified to add cash (but not shares), if any, which the Participant has
elected to defer under The Lubrizol Corporation Deferred Compensation Plan for Officers (which was adopted effective July 25, 1994) or under The Lubrizol Corporation Executive Council Deferred Compensation Plan (which was adopted effective
January 1, 1997), received by the Participant during the three consecutive calendar years during which such Participant received the greatest aggregate amount of Basic Compensation, as defined above, within the most recent ten years of
employment, divided by 36. 

 (f) Lubrizol Pension Plan. The term “Lubrizol Pension Plan” shall mean The Lubrizol Corporation
Pension Plan as the same shall be in effect on the date of a Participant’s retirement, death, or other termination of employment. 
 (g)
Normal Retirement Date. The term “Normal Retirement Date” shall mean the first day of the month following the date on which a Participant attains age sixty-five (65). 
 (h) Participant. The term “Participant” shall mean the Chief Executive Officer, the Chief Operating Officer and any other officer of the Company who is designated by the Board of Directors of
the Company and the Chief Executive Officer to participate in the Plan, and who has not waived participation in the Plan. 
 (i) Plan. The term
“Plan” shall mean a deferred compensation plan set forth herein, together with all amendments hereto, which Plan shall be called “The Lubrizol Corporation Officers’ Supplemental Retirement Plan.” 
 (j) Change in Control. Effective February 26, 2001, the term “Change in Control” shall mean the occurrence of any of the following events:

 (i) The Company is merged, consolidated or reorganized into or with another corporation or other legal person, and immediately after such
merger, consolidation or reorganization less than a majority of the combined voting power of the then-outstanding securities of such corporation or person immediately after such transaction are held in the aggregate by the holder of the Voting Stock
(as that term is hereafter defined) of the Company immediately prior to such transaction; 
 (ii) The Company sells all or substantially all of
its assets to any other corporation or other legal person, less than a majority of the combined voting power of the then-outstanding securities of such corporation or person immediately after such sale are held in the aggregate by the holders of
Voting Stock of the Company immediately prior to such sale; 
 (iii) There is a report filed on Schedule 13D or Schedule 14D-1 (or any successor
schedule, form or report), each as promulgated pursuant to the Securities Exchange Act of 1934 (“Exchange Act”), disclosing that any person (as the term “person” is used in Section 13(d)(3) or Section 14(d)(2) of the
Exchange Act) has become the beneficial owner (as the term “beneficial owner” is defined under Rule 13d-3 or any successor rule or regulation promulgated under the Exchange Act) of securities representing 20 percent or more of the combined
voting power of the then-outstanding securities entitled to vote generally in the election of directors of the Company (“Voting Stock”); 
 (iv) The Company files a report or proxy statement with the Securities and Exchange Commission pursuant to Form 8-K or Schedule 14A (or any successor schedule, form or report or item therein) that a change of control of the Company has or
may have occurred or will or may occur in the future pursuant to any then-existing contract or transaction; or 

 (v) If during any period of two consecutive years, individuals who at the beginning of the such period
constitute the Directors of the Company cease for any reason to constitute at least a majority thereof, provided, however, that for purposes of this clause (v), each Director who is first elected, or first nominated by a vote of at least two thirds
of the Directors of the Company (or a committee thereof) then still in office who were Directors of the Company at the beginning of any such period will be deemed to have been a Director of the Company at the beginning of such period. 
 Notwithstanding the foregoing provisions of Section 1(j)(iii) or 1(j)(iv) hereof, unless otherwise determined in a specific case by majority vote of
the Board of Directors of the Company, a “Change in Control” shall not be deemed to have occurred for purposes of this Trust Agreement solely because (i) the Company , (ii) an entity in which the Company directly or indirectly
beneficially owns 50 percent or more of the voting securities, or (iii) any Company-sponsored employee stock ownership plan or any other employee benefit plan of the Company, either files or becomes obligated to file a report or a proxy
statement under or in response to Schedule 13D, Schedule 14D-1, Form 8-K or Schedule 14A (or any successor schedule, form or report or item therein) under the Exchange Act, disclosing beneficial ownership by it of shares of Voting Stock, whether in
excess of 20 percent or otherwise, or because the Company reports that a change in control of the Company has or may have occurred or will or may occur in the future by reason of such beneficial ownership. 
 Section 2. Vesting. Effective February 24, 2003, a Participant who is the Chief Executive Officer, Chief Operating Officer or President of the
Company shall be 100 percent vested in his accrued supplemental retirement benefit hereunder. All other Participants shall become 100 percent vested in his accrued supplemental retirement benefit upon the earliest of the following events: his
reaching age 60; his death; his becoming disabled and receiving benefits pursuant to the Company’s long-term disability plan; or a Change of Control. 
 Section 3. Normal Retirement Benefit. Effective January 1, 2004, each Participant who retires from employment with the Company on or after his Normal Retirement Date shall receive, subject to
the provisions of Sections 6 and 7, a monthly supplemental retirement benefit which shall be equal to two percent (2%) of his Final Average Pay multiplied by his Credited Service (up to 30 years) offset by the following amounts: 
 (a) Benefits payable to the Participant under the Lubrizol Pension Plan; 
 (b) Benefits payable to the Participant under The Lubrizol Corporation Employees’ Stock Purchase and Savings Plan, excluding benefits attributable to Matching Contributions, CODA Contributions,
Supplemental Contributions, Rollover Contributions or Transferred Contributions, as defined thereunder; 

 (c) Benefits payable to the Participant under The Lubrizol Corporation Employees’ Profit-Sharing Plan;

 (d) Benefits payable to the Participant under The Lubrizol Corporation Excess Defined Contribution Plan; 
 (e) Benefits payable to the Participant under The Lubrizol Corporation Excess Defined Benefit Plan; 
 (f) The Participant’s Social Security benefits; 
 (g) Any other employer-provided benefits not specifically excluded herein which are payable to the Participant pursuant to any qualified or nonqualified retirement plan maintained by the Company. 
 Such offsets shall be determined using the actuarial factors provided in the Lubrizol Pension Plan. 
 Section 4. Early Retirement Eligibility and Determination of Benefit. Effective February 26, 2001, each Participant who retires from employment
with the Company at or after age 55, but prior to his Normal Retirement Date, shall receive a percentage of his vested supplemental retirement benefit determined under Section 3, in accordance with the early retirement schedule provided in the
Lubrizol Pension Plan. 
 Section 5. Termination of Employment. Effective February 26, 2001, if a Participant terminates employment
prior to age 55, he shall receive the actuarial equivalent of his vested supplemental retirement benefit determined under Section 3 in a single lump-sum payment; such actuarial equivalent of which shall be calculated using the same actuarial
factors and interest rates used in the Lubrizol Pension Plan as in effect on the date the Participant terminates employment in accordance with this Section 5. 
 Section 6. Payment to Participant. (Effective November 27, 1995) 
 (a) Each Participant
who retires in accordance with Sections 3 or 4 shall receive payment of his supplemental pension benefit under the Plan determined as of his date of retirement in the standard form of benefit of a monthly retirement benefit commencing within 30 days
following retirement and payable to such Participant for his lifetime following such retirement, with the continuance to his Beneficiary of such amount after his death for the remainder, if any, of the 120-month term that commenced with the date as
of which the first payment of such monthly benefit is made, and with any such monthly benefits remaining unpaid upon the death of the survivor of the Participant and his Beneficiary to be made to the estate of such survivor. 
 (b) Participants may instead elect within a 60 day period commencing 90 days prior to retirement to receive the actuarial equivalent of the standard form of
benefit determined under paragraph a, on the date of retirement, in accordance with any one of the following options: 
 (i) a single lump-sum
payment payable within 30 days following retirement; 

 (ii) effective October 1, 2000, a single lump-sum payment payable within 30 days following the end of
the calendar year in which the Participant retires. Interest on the lump-sum deferral shall accrue and be paid with the lump-sum; such interest to be computed at the applicable interest rate, as defined in Section 417(e)(3)(A)(ii)(II) of the
Code, in effect on the date of retirement; 
 (iii) a reduced monthly retirement benefit commencing within 30 days following retirement and
payable to such Participant for his lifetime following his retirement, with the continuance of a monthly benefit equal to fifty percent (50%) of such reduced amount after his death to his Beneficiary during the lifetime of the Beneficiary,
provided that such Beneficiary is living at the time of such Participant’s retirement and survives him; 
 (iv) a reduced monthly
retirement benefit commencing within 30 days following retirement and payable to such Participant for his lifetime following his retirement, with the continuance of a monthly benefit equal to one hundred percent (100%) of such reduced amount
after his death to his Beneficiary during the lifetime of the Beneficiary, provided such Beneficiary is living at the time of such Participant’s retirement and survives him. 
 (v) annual installments of up to ten payments, the first of which shall be paid within 30 days following retirement, and subsequent installments of which shall be paid on the anniversary date of the
payment of the first installment. Such installments shall be determined by dividing the commuted lump-sum equivalent of the supplemental retirement benefit (determined in the same manner as under the Lubrizol Pension Plan) by the number of
installments to be paid and adjusting for interest based on the interest rate used to determine the commuted lump-sum payment. Installments after the first installment shall include such interest which accrues during the 12-month period occurring
since the date the prior installment was paid. 
 Notwithstanding the foregoing provisions of the Plan to the contrary, if the present actuarial
value of any retirement benefit or survivor benefit under the Plan to any person, determined as described above, is less than $25,000, such benefit shall be paid in a single lump-sum payment to such person within 30 days following retirement.

 Section 7. Payment in the Event of Death Prior to Commencement of Distribution. Effective February 26, 2001, if a Participant dies
prior to commencement of benefits under the Plan, his surviving spouse, if any, shall be eligible for a survivor benefit which is equal to one-half of the reduced monthly benefit the Participant would have received under the Plan if the Participant
was 100 percent vested in his accrued supplemental retirement benefit, had terminated employment on the day before his death and had elected to receive his benefit hereunder in the form of a 50 percent joint and survivor annuity. In 

 making the determinations and reductions required in this Section 7, the Company shall apply the
assumptions then in use under the Lubrizol Pension Plan. For purposes hereof, a surviving spouse shall only be eligible for a benefit under this Section 7, if such spouse had been married to the deceased Participant for at least one year as of
the date of the Participant’s death. 
 Section 8. Actuarial Factors. All actuarial assumptions and factors used in this Plan shall be
the same as those used in the Lubrizol Pension Plan. 
 Section 9. Funding. The obligation of the Company to pay benefits provided
hereunder shall be unfunded and unsecured and such benefits shall be paid by the Company out of its general funds. In order to provide a source of payment for its obligations under the Plan, the Company may cause a trust fund to be maintained and/or
arrange for insurance contracts. Subject to the provisions of the trust agreement governing any such trust fund or the insurance contract, the obligation of the Company under the Plan to provide a Participant with a benefit shall nonetheless
constitute the unsecured promise of the Company to make payments as provided herein, and no person shall have any interest in, or a lien or prior claim upon, any property of the Company. 
 Section 10. Plan Administrator. The Company shall be the plan administrator of the Plan. The plan administrator shall perform all ministerial functions with respect to the Plan. Further, the plan
administrator shall have full power and authority to interpret and construe the Plan and shall determine all questions arising in the administration, interpretation, and application of the Plan. Any such determination shall be conclusive and binding
on all persons. The plan administrator shall employ such advisors or agents as it may deem necessary or advisable to assist it in carrying out its duties hereunder. 
 Section 11. Not a Contract of Continuing Employment. Nothing herein contained shall be construed as a commitment or agreement on the part of the Participant to continue his employment with the
Company, and nothing herein contained shall be construed as a commitment or agreement on the part of the Company to continue the employment or the annual rate of compensation of the Participant for any period, and the Participant shall remain
subject to discharge to the same extent as if this Plan had never been put into effect. 
 Section 12. Right of Amendment and Termination.
Effective October 1, 1994, the Company reserves the right to amend or terminate the Plan in whole or in part at any time and to suspend operation of the Plan, in whole or in part, at any time, by resolution or written action of its Board of
Directors or by action of a committee to which such authority has been delegated by the Board of Directors; provided, however, that no amendment shall result in the forfeiture or reduction of the interest of any Participant or person claiming under
or through any one or more of them pursuant to the Plan. Any amendment of the Plan shall be in writing and signed by authorized individuals. 
 Section 13. Termination and Distribution of Accrued Benefits. 
 (a) The Plan may be terminated at any time by the Company, and in
that event the amount of the accrued benefits as of the date of such termination shall remain an obligation of the Company and shall be payable as if the Plan had not been terminated. 

 (b) Effective December 31, 2004, this Plan is terminated with respect to further accruals of benefits.
Benefits which have accrued hereunder as of December 31, 2004 shall continue to be administered under the terms and provisions of this Plan. 
 Section 14. Construction. Where necessary or appropriate to the meaning hereof, the singular shall be deemed to include the plural, the plural to include the singular, the masculine to include the feminine, and the feminine to include
the masculine. 
 Section 15. Severability. In the event any provision of the Plan is deemed invalid, such provision shall be deemed to be
severed from the Plan, and the remainder of the Plan shall continue to be in full force and effect. 
 Section 16. Governing Law. Except as
otherwise provided, the provisions of the Plan shall be construed and enforced in accordance with the laws of the State of Ohio.1991 Stock Incentive Plan, as amended November 15, 2004

 Exhibit 10.30 
 THE LUBRIZOL CORPORATION 1991 STOCK INCENTIVE PLAN 
 (As
Amended) 
 Section 1. Purpose. 
 The purposes of The Lubrizol Corporation 1991 Stock Incentive Plan are to encourage selected employees of The Lubrizol Corporation and its Subsidiaries and directors of the Company to acquire a proprietary and vested interest in the growth
and performance of the Company, to generate an increased incentive to contribute to the Company’s future success and prosperity, thus enhancing the value of the Company for the benefit of shareholders, and to enhance the ability of the Company
and its Subsidiaries to attract and retain individuals of exceptional talent upon whom, in large measure, the sustained progress, growth and profitability of the Company depends. 
 Section 2. Definitions. 
 As used in the Plan, the following terms shall have the meanings set
forth below: 
 (a) “Award” means any Option, Stock Appreciation Right, Restricted Stock Award, or Stock Award granted pursuant to the
provisions of the Plan. 
 (b) “Award Agreement” means a written document evidencing any Award granted hereunder, signed by the
Company and delivered to the Participant or Outside Director, as the case may be. 
 (c) “Board” means the Board of Directors of the
Company. 
 (d) “Code” means the Internal Revenue Code of 1986, as amended from time to time. 
 (e) “Committee” means a committee of not less than three (3) Outside Directors of the Board, each of whom shall be a “disinterested
person” within the meaning of Rule 16b-3(d)(3) promulgated by the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or any successor rule or statute. 
 (f) “Company” means The Lubrizol Corporation. 
 (g) “Employee” means any employee of the Company or of any Subsidiary. 
 (h) “Fair Market Value” means the average
of the high and low price of a Share on the New York Stock Exchange on the Grant Date (in the case of a Grant), or any other relevant date. 
 (i) “Grant Date” means the date on which the Board approves the grant of an Option, Stock Appreciation Right, Restricted Stock Award, or Stock Award, and, with respect to an Option granted to an Outside Director, the date
specified pursuant to Section 10 on which such Option is granted. 

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 1991 STOCK INCENTIVE PLAN 
 (j) “Incentive Stock Option” means an Option that is
intended to meet the requirements of Section 422A of the Code or any successor provision thereto. 
 (k) “Non-Statutory Stock
Option” means an Option that is not intended to be an Incentive Stock Option. 
 (l) “Option” means an option to purchase Shares
granted hereunder. 
 (m) “Option Price” means the purchase price of each Share under an Option. 
 (n) “Outside Director” means a member of the Board who is not an employee of the Company or of any Subsidiary. 
 (o) “Participant” means an Employee who is selected by the Committee to receive an Award under the Plan. 
 (p) “Plan” means The Lubrizol Corporation 1991 Stock Incentive Plan. 
 (q) “Restricted Stock Award” means an award of restricted Shares under Section 8 hereof. 
 (r) “Restriction Period” means the period of time specified in an Award Agreement during which the following conditions remain in effect: (i) certain restrictions on the sale or other disposition of Shares awarded under the
Plan, (ii) subject to the terms of the applicable Award Agreement, the continued employment of the Participant, and (iii) such other conditions as may be set forth in the applicable Award Agreement. 
 (s) “Shareholders’ Meeting” means the annual meeting of shareholders of the Company in each year. 
 (t) “Shares” means common shares without par value of the Company. 
 (u) “Stock Appreciation Right” means the right to receive a payment in cash or in Shares, or in any combination thereof, from the Company equal to the excess of the Fair Market Value of a stated
number of Shares at the exercise date over a fixed price for such Shares. 
 (v) “Stock Award” means the grant of unrestricted Shares
under the Plan. 
 (w) “Subsidiary” means a corporation which is at least 80% owned, directly or indirectly, by the Company.

 (x) “Voting Stock” means the then-outstanding securities entitled to vote generally in the election of directors of the Company.

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 1991 STOCK INCENTIVE PLAN 
 Section 3. Administration. 
 The Plan shall be administered by the Committee. Members of the Committee shall be appointed by and serve at the pleasure of the Board, and may resign by
written notice filed with the Chairman of the Board or the Secretary of the Company. A vacancy on the Committee shall be filled by the appointment of a successor member by the Board. Subject to the express provisions of this Plan, the Committee
shall have conclusive authority to select Employees to be Participants for Awards and determine the type and number of Awards to be granted, to construe and interpret the Plan, any Award granted hereunder, and any Award Agreement entered into
hereunder, and to establish, amend, and rescind rules and regulations for the administration of this Plan and shall have such additional authority as the Board may from time to time determine to be necessary or desirable. Notwithstanding the
foregoing, the Committee shall not have discretion with respect to Options granted to Outside Directors pursuant to Section 10 such as to prevent any Award granted under this Plan from meeting the requirements for exemption from
Section 16(b) of the Exchange Act, as set forth in Rule 16b-3 thereunder or any successor rule or statute. 
 Section 4. Shares
Subject to the Plan. 
 (a) Subject to adjustment as provided in the Plan, the total number of Shares available under the Plan in each calendar
year shall be one percent (1%) of the total outstanding Shares as of the first day of any year for which the Plan is in effect; provided that such number shall be increased in any year by the number of Shares available for grant hereunder in
previous years but not covered by Awards granted hereunder in such previous years; provided further, that a total of no more than two million (2,000,000) Shares shall be available for the grant of Incentive Stock Options under the Plan; and
provided further, that no more than four hundred thousand (400,000) Shares shall be available for grant to any Participant during a calendar year. Settlement of an Award, whether by the issuance of Shares or the payment of cash, shall not be
deemed to be the grant of an Award hereunder. In addition, any Shares issued by the Company through the assumption or substitution of outstanding grants from an acquired company shall not reduce the Shares available for grants under the Plan. Any
Shares issued hereunder may consist, in whole or in part, of authorized and unissued Shares or treasury shares. If any Shares subject to any Award granted hereunder are forfeited or if such Award otherwise terminates without the issuance of such
Shares or payment of other consideration in lieu of such Shares, the Shares subject to such Award, to the extent of any such forfeiture or termination, shall again be available for grant under the Plan as if such Shares had not been subject to an
Award. 
 (b) The number of Shares which remain available for grant pursuant to this Plan, together with Shares subject to outstanding Awards,
at the time of any change in the Company’s capitalization, including stock splits, stock dividends, mergers, reorganizations, consolidations, recapitalizations, or other changes in corporate structure, shall be appropriately and proportionately
adjusted to reflect such change in capitalization. 
 Section 5. Eligibility. 
 Any Employee shall be eligible to be selected as a Participant. 

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 1991 STOCK INCENTIVE PLAN 
 Section 6. Stock Options. 
 Non-Statutory Stock Options and Incentive Stock Options may be granted hereunder to Participants either separately or in conjunction with other Awards
granted under the Plan. Any Option granted to a Participant under the Plan shall be evidenced by an Award Agreement in such form as the Committee may from time to time approve. Any such Option shall be subject to the following terms and conditions
and to such additional terms and conditions, not inconsistent with the provisions of the Plan, as the Committee shall deem desirable. 
 (a)
Option Price. The purchase price per Share under an Option shall be fixed by the Committee in its sole discretion; provided that the purchase price shall not be less than one hundred percent (100%) of the Fair Market Value of the Share on the
Grant Date of the Option. Payment of the Option Price may be made in cash, Shares, or a combination of cash and Shares, as provided in the Award Agreement relating thereto. 
 (b) Option Period. The term of each Option shall be fixed by the Committee in its sole discretion; provided that no Incentive Stock Option shall be exercisable after the expiration of ten years from the
Grant Date; and provided further, that no reload Option granted to a Participant pursuant to the terms of Section 6(e) shall be exercisable after the expiration of the term of the Option that gave rise to the grant of such reload Option.

 (c) Exercise of Option. Options shall be exercisable to the extent of fifty percent (50%) of the Shares subject thereto after one year
from the Grant Date, seventy-five percent (75%) of such Shares after two years from the Grant Date, and one hundred percent (100%) of such Shares after three years from the Grant Date, subject to any provisions respecting the
exercisability of Options that may be contained in an Award Agreement; provided that a reload Option granted to a Participant pursuant to the terms of Section 6(e) shall be exercisable to the extent of one hundred percent (100%) of such
Shares from the Grant Date. 
 (d) Incentive Stock Options. The aggregate Fair Market Value of the Shares with respect to which Incentive Stock
Options held by any Participant which are exercisable for the first time by such Participant during any calendar year under the Plan (and under any other benefit plans of the Company, of any parent corporation, or Subsidiary) shall not exceed
$100,000 or, if different, the maximum limitation in effect at the Grant Date under Section 422A of the Code, or any successor provision, and any regulations promulgated thereunder. The terms of any Incentive Stock Option granted hereunder
shall comply in all respects with the provisions of Section 422A of the Code, or any successor provision, and any regulations promulgated thereunder. 
 (e) Reload. In the event that a Participant or an Outside Director exercises an Option other than a reload Option granted pursuant to this Section 6(e), and pays some or all of the Option Price with
Shares, the Committee in its discretion may grant to such Participant or Outside Director a reload Option to purchase the number of Shares equal to the number of Shares used as payment of the Option Price, subject to the limitations described below.
Options granted to Participants pursuant to this Section 6(e) shall have terms and conditions as described in this Section 6 and Options granted to Outside Directors pursuant to this Section 6(e) shall have terms and conditions as
described in 

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 1991 STOCK INCENTIVE PLAN 
 Section 10. Options granted pursuant to this
Section 6(e) shall be of the same character (i.e., Non-Statutory Stock Options or Incentive Stock Options) as the Option that is exercised to give rise to the grant of the reload Option, provided that if an Incentive Stock Option cannot be
granted under this Section 6(e) in compliance with Section 422A of the Code, then a Non-Statutory Stock Option shall be granted in lieu thereof. Options may be granted pursuant to this Section 6(e) only to the extent that the number
of Shares covered by such Option grants does not, when added to the number of Shares covered by Awards previously granted during such calendar year, exceed the limitation set forth in Section 4(a). 
 Shares received upon the exercise of an Option granted pursuant to this Section 6(e) may not be sold or otherwise transferred (i) by a Participant
until such Participant has met the Share ownership guideline for such Participant, if any, set by the Company, and then only to the extent that the Participant continues to meet such ownership guideline immediately after such sale, or (ii) by
an Outside Director until such Outside Director ceases to be an Outside Director, provided, however, that a Participant or Outside Director may use such Shares as payment of the Option Price of Options granted under this Plan to the extent permitted
by the applicable Award Agreement, in which case a number of the Shares (equal to the number of Shares used for such payment) purchased by the exercise of such Options also shall be subject to the same restrictions upon transferability. Certificates
for such Shares with a transferability restriction shall bear a legend referencing such restriction. 
 Notwithstanding the foregoing, effective
for grants of Options on or after November 11, 2002, this Section 6(e) is deleted. 
 Section 7. Stock Appreciation Rights.

 Stock Appreciation Rights may be granted hereunder to Participants either separately or in conjunction with other Awards granted under the
Plan and may, but need not, relate to a specific Option granted under Section 6. The provisions of Stock Appreciation Rights need not be the same with respect to each Participant. Any Stock Appreciation Right related to a Non-Statutory Stock
Option may be granted at the same time such Option is granted or at any time thereafter before exercise or expiration of such Option. Any Stock Appreciation Right related to an Incentive Stock Option must be granted at the same time such Option is
granted. Any Stock Appreciation Right related to an Option shall be exercisable only to the extent the related Option is exercisable. In the case of any Stock Appreciation Right related to any Option, the Stock Appreciation Right or applicable
portion thereof shall terminate and no longer be exercisable upon the termination or exercise of the related Option. Similarly, upon exercise of a Stock Appreciation Right as to some or all of the Shares covered by a related Option, the related
Option shall be canceled automatically to the extent of the Stock Appreciation Rights exercised, and such Shares shall not thereafter be eligible for grant under Section 4(a). The Committee may impose such conditions or restrictions on the
exercise of any Stock Appreciation Right as it shall deem appropriate. 
 Section 8. Restricted Stock Awards. 
 (a) Issuance. Restricted Stock Awards may be issued hereunder to Participants, either separately or in conjunction with other Awards granted under the Plan.
Each Award 

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 1991 STOCK INCENTIVE PLAN 
 under this Section 8 shall be evidenced by an Award
Agreement between the Participant and the Company which shall specify the vesting schedule, any rights of acceleration and such other terms and conditions as the Board shall determine, which need not be the same with respect to each Participant.

 (b) Registration. Shares issued under this Section 8 shall be evidenced by issuance of a stock certificate or certificates registered in
the name of the Participant bearing the following legend and any other legend required by, or deemed appropriate under, any federal or state securities laws: 
 The sale or other transfer of the common shares represented by this certificate is subject to certain restrictions set forth in the Award Agreement between
             (the registered owner) and The Lubrizol Corporation dated             , under The Lubrizol Corporation
1991 Stock Incentive Plan. A copy of the Plan and Award Agreement may be obtained from the Secretary of The Lubrizol Corporation. 
 Unless
otherwise provided in the Award Agreement between the Participant and the Company, such certificates shall be retained by the Company until the expiration of the Restriction Period. Upon the expiration of the Restriction Period, the Company shall
(i) cause the removal of the legend from the certificates for such Shares as to which a Participant is entitled in accordance with the Award Agreement between the Participant and the Company and (ii) release such Shares to the custody of
the Participant. 
 (c) Forfeiture. Except as otherwise determined by the Committee at the Grant Date, upon termination of employment of the
Participant for any reason during the Restriction Period, all Shares still subject to restriction shall be forfeited by the Participant and retained by the Company; provided that in the event of a Participant’s retirement, permanent disability,
death, or in cases of special circumstances, the Committee may, in its sole discretion, when it finds that a waiver would be in the best interests of the Company, waive in whole or in part any or all remaining restrictions with respect to such
Participant’s Shares. In such case, unrestricted Shares shall be issued to the Participant at such time as the Committee determines. 
 (d)
Rights as Shareholders. At all times during the Restriction Period, Participants shall be entitled to full voting rights with respect to all Shares awarded under this Section 8 and shall be entitled to dividends with respect to such Shares.

 Section 9. Stock Awards. 
 Awards of Shares may be granted hereunder to Participants, either separately or in conjunction with other Awards granted under the Plan. Subject to the provisions of the Plan, the Committee shall have sole and complete authority to
determine (i) the Employees to whom such Awards shall be granted, (ii) the time or times at which such Awards shall be granted, (iii) the number of Shares to be granted pursuant to such Awards, and (iv) all other conditions of the
Awards. Such conditions may include issuance of Shares at the time of the Award is granted or issuance of Shares at a time or times subsequent to the time the Award is granted, which subsequent times may be specifically established by the Committee
and/or may be determined by reference to the satisfaction of one or more performance measures specified by the Committee. The provisions of stock awards need not be the same with respect to each Participant. 

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 1991 STOCK INCENTIVE PLAN 
 Section 10. Outside Directors’ Options. 

On the close of business on the date on which the Committee makes the annual grant to employees generally, each Outside Director shall automatically be
granted an Option to purchase 2,500 Shares. All Options granted under this Section 10 shall be Non-Statutory Stock Options and shall be subject to the following terms and conditions and to such additional terms and conditions, not inconsistent
with the provisions of the Plan, as are contained in the applicable Award Agreement. 
 (a) Option Price. The purchase price per Share shall be
one hundred percent (100%) of the Fair Market Value of the Share on the Grant Date. Payment of the Option Price may be made in cash, Shares, or a combination of cash and Shares, as provided in the Award Agreement in effect from time to time.

 (b) Option Period. The term during which Options granted under this Section 10 shall be exercisable shall be ten (10) years from
the Grant Date; provided that no reload Option granted to an Outside Director pursuant to the terms of Section 6(e) shall be exercisable after the expiration of the term of the Option that gave rise to the grant of such reload Option.

 (c) Exercise of Options. Subject to the provisions of this Section 10(c), Options shall be exercisable to the extent of fifty percent
(50%) of the Shares subject thereto after one year from the Grant Date, seventy-five percent (75%) of such Shares after two years from the Grant Date, and one hundred percent (100%) of such Shares after three years from the Grant
Date; provided that a reload Option granted to an Outside Director pursuant to the terms of Section 6(e) shall be exercisable to the extent of one hundred percent (100%) of such Shares from the Grant Date. Options may be exercised by an
Outside Director during the period that the Outside Director remains a member of the Board and under the circumstances described below. 
 (i)
If an Outside Director retires under a retirement plan or policy of the Company, then Options held by such Outside Director may be exercised for a period of thirty-six (36) months following retirement, to the extent of 100% of the Shares
covered by such Options (notwithstanding the extent to which the Outside Director otherwise would have been entitled to exercise such Options at the date of retirement), provided that in no event shall an Option be exercisable after the expiration
of the Option period provided in Section 10(b). 
 (ii) In the event of the death of an Outside Director while serving as a director,
Options held by such Outside Director may be exercised for a period of twelve (12) months following the date of death, (A) to the extent of 100% of the Shares covered by such Options (notwithstanding the extent to which the Outside
Director otherwise would have been entitled to exercise the Option at the date of death), and (B) only by the executor or administrator of the Outside Director’s estate or by the person or persons to whom the Outside Director’s rights
under the 

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 1991 STOCK INCENTIVE PLAN 
 Options shall pass by the Outside Director’s will or the
laws of descent and distribution, provided that in no event shall an Option be exercisable after the expiration of the Option period provided in Section 10(b). 
 (iii) If an Outside Director shall cease to be a director for any reason other than retirement under a retirement plan or policy of the Company or death, Options held by such Outside Director may be
exercised for a period of three (3) months following such cessation, to the extent of 100% of the Shares covered by such Options (notwithstanding the extent to which the Outside Director otherwise would have been entitled to exercise such
Options at the date of such cessation), provided that in no event shall an Option be exercisable after the expiration of the Option period provided in Section 10(b). 
 (iv) In the event an Outside Director, after ceasing to be a director, dies during and subject to one of the periods described in Section 10(c)(i) or (iii), while possessed of unexercised Options,
the executor or administrator of the Outside Director’s estate, or the person entitled by will or the applicable laws of descent and distribution, may exercise such Options held by the Outside Director at the time of the Outside Director’s
death during the period that is applicable, as follows: 
 (A) If Section 10(c)(i) was in effect, for one year after the Outside
Director’s death; 
 (B) If Section 10(c)(iii) was in effect, for three months after the Outside Director’s death; 
 provided that, in no event shall the Option be exercisable after the expiration of the Option period provided in Section 10(b). 
 Section 11. Change in Control. 
 Notwithstanding the provisions of Sections 6(c) and 10(c), Options shall become exercisable with respect to 100% of the Shares upon the occurrence of any Change in Control (as hereafter defined) of the Company; except that no Options shall
be exercised prior to the end of six months from the Grant Date. 
 Notwithstanding the provisions of Section 8 and the applicable Award
Agreement, any restricted Shares shall be 100% vested and without any restrictions upon the occurrence of any Change in Control of the Company. 
 For all purposes of the Plan, a “Change in Control” shall have occurred if any of the following events shall occur: 
 (a)
The Company is merged, consolidated or reorganized into or with another corporation or other legal person, and immediately after such merger, consolidation or reorganization less than a majority of the combined voting power of the then-outstanding
securities of such corporation or person immediately after such transaction are held in the aggregate by the holders of Voting Stock of the Company immediately prior to such transaction; 

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 1991 STOCK INCENTIVE PLAN 
 (b) The Company sells all or substantially all of its assets to
any other corporation or other legal person, and less than a majority of the combined voting power of the then-outstanding securities of such corporation or person immediately after such sale are held in the aggregate by the holders of Voting Stock
of the Company immediately prior to such sale; 
 (c) There is a report filed on Schedule 13D or Schedule 14D-l (or any successor schedule, form
or report), each as promulgated pursuant to the Exchange Act, disclosing that any person (as the term “person” is used in Section 13(d)(3) or Section 14(d)(2) of the Exchange Act) has become the beneficial owner (as the term
“beneficial owner” is defined under Rule 13(d)(3) or any successor rule or regulation promulgated under the Exchange Act) of securities representing 20% or more of the Voting Stock; 
 (d) The Company files a report or proxy statement with the Securities and Exchange Commission pursuant to the Exchange Act disclosing in response to Form
8-K or Schedule 14A (or any successor schedule, form or report or item therein) that a change in control of the Company has or may have occurred or will or may occur in the future pursuant to any then-existing contract or transaction; or 

(e) If during any period of two consecutive years, individuals who at the beginning of any such period constitute the Directors of the Company cease for
any reason to constitute at least a majority thereof, provided, however, that for purposes of this Section 11(e), each Director who is first elected, or first nominated for election by the Company’s stockholders, by a vote of at least two
thirds of the Directors of the Company (or a committee thereof) then still in office who were Directors of the Company at the beginning of any such period will be deemed to have been a Director of the Company at the beginning of such period.

 Notwithstanding the foregoing provisions of Section 11(c) or 11(d) hereof, unless otherwise determined in a specific case by majority
vote of the Board, a “Change in Control” shall not be deemed to have occurred for purposes of the Plan solely because (i) the Company, (ii) an entity in which the Company directly or indirectly beneficially owns 50% or more of
the voting securities, or (iii) any employee stock ownership plan or any other employee benefit plan sponsored by the Company, either files or becomes obligated to file a report or a proxy statement under or in response to Schedule 13D,
Schedule 14D-l, Form 8-K or Schedule 14A (or any successor schedule, form or report or item therein) under the Exchange Act, disclosing beneficial ownership by it of shares of Voting Stock, whether in excess of 20% or otherwise, or because the
Company reports that a change in control of the Company has or may have occurred or will or may occur in the future by reason of such beneficial ownership. 
 Section 12. Amendments and Termination. 
 The Board may, at any time, amend, alter or
terminate the Plan, but no amendment, alteration, or termination shall be made that would impair the rights of an Outside Director or Participant under an Award theretofore granted, without the Outside Director’s or Participant’s consent,
or that without the approval of the shareholders would: 
 (a) except as is provided in Sections 4(b) and 13(c) of the Plan, increase the total
number of Shares which may be issued under the Plan; 

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 1991 STOCK INCENTIVE PLAN 
 (b) change the class of employees eligible to participate in
the Plan; or 
 (c) materially increase the benefits accruing to Participants under the Plan; 
 so long as such approval is required by law or regulation; provided that, as long as required by law or regulation, the provisions of Section 10 hereof
may not be amended or altered more than once every six (6) months, other than to comport with changes in the Code, the Employee Retirement Income Security Act, or the rules thereunder. 
 The Committee may amend the terms of any Award heretofore granted (except, with respect to Options granted pursuant to Section 10 hereof, only to the
extent not inconsistent with Rule 16b-3 under the Exchange Act or any successor rule or statute), prospectively or retroactively, but no such amendment shall impair the rights of any Participant or Outside Director without his consent. 

Section 13. General Provisions. 
 (a) No
Option, Stock Appreciation Right, or Restricted Stock Award shall be assignable or transferable by a Participant or an Outside Director otherwise than by will or the laws of descent and distribution, and Options and Stock Appreciation Rights may be
exercised during the Participant’s or Outside Director’s lifetime only by the Participant or the Outside Director or, if permissible under applicable law, by the guardian or legal representative of the Participant or Outside Director.

 (b) The term of each Award shall be for such period of months or years from its Grant Date as may be determined by the Committee or as set
forth in the Plan; provided that in no event shall the term of any Incentive Stock Option or any Stock Appreciation Right related to any Incentive Stock Option exceed a period of ten (10) years from the Grant Date. 
 (c) In the event of a merger, reorganization, consolidation, recapitalization, stock dividend or other change in corporate structure such that Shares are
changed into or become exchangeable for a larger or smaller number of Shares, thereafter the number of Shares subject to outstanding Awards granted to Participants and to any Shares subject to Awards to be granted to Participants pursuant to this
Plan shall be increased or decreased, as the case may be, in direct proportion to the increase or decrease in the number of Shares by reason of such change in corporate structure; provided, however, that the number of Shares shall always be a whole
number, and the purchase price per Share of any outstanding Options shall, in the case of an increase in the number of Shares, be proportionately reduced, and, in the case of a decrease in the number of Shares, shall be proportionately increased.
The above adjustment shall also apply to any Shares subject to Options granted to Outside Directors pursuant to the provisions of Section 10. 

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 1991 STOCK INCENTIVE PLAN 
 (d) No Employee shall have any claim to be granted any Award
under the Plan and there is no obligation for uniformity of treatment of Employees or Participants under the Plan. 
 (e) The prospective
recipient of any Award under the Plan shall not, with respect to such Award, be deemed to have become a Participant, or to have any rights with respect to such Award, until and unless such recipient shall have executed an Award Agreement, and
otherwise complied with the then applicable terms and conditions. 
 (f) All certificates for Shares delivered under the Plan pursuant to any
Award shall be subject to such stock-transfer orders and other restrictions as the Committee may deem advisable under the rules, regulations, and other requirements of the Securities and Exchange Commission, any stock exchange upon which the Shares
are then listed, and any applicable federal or state securities law, and the Committee may cause a legend or legends to be put on any such certificates to make appropriate reference to such restrictions. 
 (g) Except as otherwise required in any applicable Award Agreement or by the terms of the Plan, Participants shall not be required, under the Plan, to make
any payment other than the rendering of services. 
 (h) The Company shall be authorized to withhold from any payment under the Plan, whether
such payment is in Shares or cash, all withholding taxes due in respect of such payment hereunder and to take such other action as may be necessary in the opinion of the Company to satisfy all obligations for the payment of such taxes. 

(i) Nothing contained in this Plan shall prevent the Board from adopting other or additional compensation arrangements, subject to shareholder approval
if such approval is required; and such arrangements may be either generally applicable or applicable only in specific cases. 
 (j) Nothing in
the Plan shall interfere with or limit in any way the right of the Company or any Subsidiary to terminate any Participant’s employment at any time, nor shall the Plan confer upon any Participant any right to continued employment with the
Company or any Subsidiary. 
 Section 14. Effective Date and Term of Plan. 
 The Plan shall be effective as of April 22, 1991. The termination date of the Plan is November 15, 2004, on which date the Plan shall expire but without affecting any options then outstanding.

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