Document:

Form of Change in Control Severance Agreement, as amended

 Exhibit 10.8 
 UNUM GROUP 
 CHANGE IN CONTROL SEVERANCE AGREEMENT 
         AGREEMENT by and between Unum Group, a Delaware corporation having its principal executive offices in
Chattanooga, Tennessee (the “Company”), and [                    ] (the “Executive”), dated as of the
[        ] day of [            ], 200[        ]. 
         The Company has determined that it is in the best interests of its shareholders to provide the Company
with continuity of management, including the continued dedication of the Executive. Therefore, in order to accomplish these objectives, the Executive and the Company desire to enter into this Agreement. 
         NOW, THEREFORE, IT IS HEREBY AGREED AS FOLLOWS: 
         1.        Effective Date.   The “Effective
Date” shall mean [                    ], provided the Executive is employed by the Company on such date. 
         2.        Term of Agreement.   The Company
hereby agrees that the term of this Agreement shall be for the period commencing on the Effective Date and ending on the second anniversary of the Effective Date (the “Initial Term”). Beginning on the second anniversary of the Effective
Date, the Initial Term shall be automatically extended for one year terms unless either the Company or the Executive shall give the other party, not less than 90 days prior to such Renewal Date, written notice that the Agreement shall not be so
extended. 
         3.        Termination of
Employment. 
                 (a)        Death or Disability.   The Executive’s employment shall terminate
automatically upon the Executive’s death. If the Company determines in good faith that the Disability of the Executive has occurred (pursuant to the definition of Disability set forth below), it may give to the Executive written notice in
accordance with Section 10(b) of this Agreement of its intention to terminate the Executive’s employment. In such event, the Executive’s employment with the Company shall terminate effective on the 30th day after receipt of such
notice by the Executive (the “Disability Effective Date”), provided that, within the 30 days after such receipt, the Executive shall not have returned to full-time performance of the Executive’s duties. For purposes of this Agreement,
“Disability” shall mean the absence of the Executive from the Executive’s duties with the Company on a full time basis for 180 business days during any consecutive twelve-month period as a result of incapacity due to mental or
physical illness which is determined to be total and permanent by a physician selected by the Company or its insurers and acceptable to the Executive or the Executive’s legal representative. 
                 (b)        Cause.   The Company may terminate the Executive’s employment for
Cause. For purposes of this Agreement, “Cause” shall mean: 
                         (i)        the continued failure of the Executive to
perform substantially the Executive’s duties with the Company or one of its affiliates (other than 

  

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any such failure resulting from incapacity due to physical or mental illness), after a written demand for substantial performance is delivered to the
Executive by the Chief Executive Officer of the Company (“CEO”) which specifically identifies the manner in which the CEO believes that the Executive has not substantially performed the Executive’s duties, or 
                 (ii)        the willful engaging by the Executive in illegal conduct (as determined by the Company after
due inquiry) or gross misconduct which is materially and demonstrably injurious to the Company, or 
                 (iii)        conviction of a felony or guilty or nolo contendere plea by the Executive with respect
thereto. 
 For purposes of this provision, no act or failure to act, on the part of the Executive, shall be considered “willful” unless it is
done, or omitted to be done, by the Executive in bad faith or without reasonable belief that the Executive’s action or omission was in the best interests of the Company. Any act, or failure to act, based upon authority given pursuant to a
resolution duly adopted by the Board or upon the instructions of the CEO or based upon the advice of counsel for the Company shall be conclusively presumed to be done, or omitted to be done, by the Executive in good faith and in the best interests
of the Company. The cessation of employment of the Executive shall not be deemed to be for Cause unless and until there shall have been delivered to the Executive written notice signed by the CEO of the Company of an event constituting cause within
90 days of the Company’s knowledge of its existence. 
         (c)        Good Reason.   The Executive’s employment may be terminated by the Executive for Good Reason. In order to invoke a
termination for Good Reason, the Executive shall provide written notice to the Company of one or more of the conditions described in clauses (i) through (vii) below within 90 days following the Executive’s knowledge of the initial
existence of such condition, specifying in reasonable detail the conditions constituting Good Reason, and the Company shall have 30 days following receipt of such written notice (the “Cure Period”) during which it may remedy the condition.
In the event that the Company fails to remedy the condition constituting Good Reason during the applicable Cure Period, the Executive’s “separation from service” (within the meaning of Section 409A of the Internal Revenue Code of
1986, as amended (the “Code”)) must occur, if at all, within 2 years following such Cure Period in order for such termination as a result of such condition to constitute a termination for Good Reason. For purposes of this Agreement,
“Good Reason” shall mean: 
                 (i)        the assignment to the Executive of any duties materially inconsistent with the
Executive’s position (including status, offices, titles and reporting requirements), authority, duties or responsibilities, or any other action by the Company which results in a material diminution in the Executive’s authority, duties or
responsibilities, or the budget over which the Executive retains authority, excluding for this purpose an isolated, insubstantial and inadvertent action not taken in bad faith; 
  

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                 (ii)         a material reduction in the Executive’s annual base salary or annual target bonus
as in effect prior to a Change in Control; 
                 (iii)        the failure of the Company to (A) continue in effect any material employee benefit
plan, compensation plan, welfare benefit plan or fringe benefit plan in which the Executive is participating immediately prior to such Change in Control or the taking of any action by the Company which would materially and adversely affect the
Executive’s participation in or materially reduce the Executive’s benefits under any such plan, unless Executive is permitted to participate in other plans providing the Executive with materially equivalent benefits in the aggregate (at
materially equivalent cost with respect to welfare benefit plans), or (B) provide the Executive with paid vacation materially similar to that provided by the most favorable vacation policies of the Company as in effect for the Executive
immediately prior to such Change in Control, including the crediting of all service for which the Executive had been credited under such vacation policies prior to the Change in Control; 
                 (iv)        any material failure by the Company to comply with and satisfy Section 9(c) of this
Agreement; 
                 (v)         any required relocation of the Executive following a Change in Control (as defined
herein) of more than 50 miles from Executive’s principal business office as of immediately prior to the Effective Date; 
                 (vi)        any other action or inaction that constitutes a material breach by the Company of any
agreement under which the Executive provides services to the Company; or 
                 (vii)        any material diminution in the authority, duties, or responsibilities of those to whom the
Executive is required to report. 
         (d)        Change in Control.   For purposes of this Agreement, “Change in Control” shall mean the occurrence of any one of
the following events and shall not include the merger of Unum Corporation and Provident Companies, Inc. pursuant to the Agreement and Plan of Merger dated as of November 22, 1998 as amended as of May 25, 1999 and consummated on
June 30, 1999: 
                 (i)          during any period of 2 consecutive years, individuals who, at the beginning of
such period, constitute the Board (the “Incumbent Directors”) cease for any reason to constitute at least a majority of the Board, provided that any person becoming a director and whose election or nomination for election was approved by a
vote of at least two-thirds of the Incumbent Directors then on the Board (either by a specific vote or by approval of the proxy statement of the Company in which such person is named as a nominee for director, without written objection to such
nomination) shall be an Incumbent Director; provided, however, that no individual initially elected or nominated as a director of the Company as a result of an actual or threatened election 

  

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contest (as described in Rule 14a-11 under the Securities Exchange Act of 1934 (the “Act”)) (“Election Contest”) or other actual or
threatened solicitation of proxies or consents by or on behalf of any “person” (as such term is defined in Section 3(a)(9) of the Act and as used in Sections 13(d)(3) and 14(d)(2) of the Act) other than the Board (“Proxy
Contest”), including by reason of any agreement intended to avoid or settle any Election or Contest or Proxy Contest, shall be deemed an Incumbent Director; 
                 (ii)        any person is or becomes a “beneficial owner” (as defined in Rule 13d-3 under the
Act), directly or indirectly, of securities of the Company representing 20% (30% with respect to deferred compensation subject to Section 409A of the Code) or more of the combined voting power of the Company’s then outstanding securities
eligible to vote for the election of the Board (the “Company Voting Securities”); provided, however, that the event described in this paragraph (ii) shall not be deemed to be a Change in Control of the Company by virtue
of any of the following acquisitions: (A) by the Company of any subsidiary, (B) by any employee benefit plan (or related trust) sponsored or maintained by the Company or any subsidiary, (C) by an underwriter temporarily holding
securities pursuant to an offering of such securities, (D) pursuant to a Non-Qualifying Transaction (as defined in paragraph (iii)), or (E) a transaction (other than one described in (iii) below) in which Company Voting Securities are
acquired from the Company, if a majority of the Incumbent Directors approve a resolution providing expressly that the acquisition pursuant to this clause (E) does not constitute a Change in Control of the Company under this paragraph (ii);

                 (iii)        the consummation of a merger, consolidation, statutory share exchange or similar form of
corporate transaction involving the Company or any of its subsidiaries that requires the approval of the Company’s stockholders, whether for such transaction or the issuance of securities in the transaction (a “Reorganization”), or
sale or other disposition of all or substantially all of the Company’s assets to an entity that is not an affiliate of the Company (a “Sale”), unless immediately following such Reorganization or Sale: (A) more than 50% of the
total voting power of (x) the corporation resulting from such Reorganization or the corporation which has acquired all or substantially all of the assets of the Company (in either case, the “Surviving Corporation”), or (y) if
applicable, the ultimate parent corporation that directly or indirectly has beneficial ownership of 100% of the voting securities eligible to elect directors of the Surviving Corporation (the “Parent Corporation”), is represented by the
Company Voting Securities that were outstanding immediately prior to such Reorganization or Sale (or, if applicable, is represented by shares into which such Company Voting Securities were converted pursuant to such Reorganization or Sale), and such
voting power among the holders thereof is in substantially the same proportion as the voting power of such Company Voting Securities among the holders thereof immediately prior to the Reorganization or Sale, (B) no person (other than any
employee benefit plan (or related trust) sponsored or maintained by the Surviving Corporation or the Parent Corporation) is or becomes the beneficial owner, directly or indirectly, of 20% (30% with respect to deferred compensation subject to
Section 409A of the Code) or more of the total voting power of the outstanding voting securities eligible to elect 

  

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directors of the Parent Corporation (or, if there is no Parent Corporation, the Surviving Corporation) and (C) at least a majority of the members of the
board of directors of the Parent Corporation (or, if there is no Parent Corporation, the Surviving Corporation) following the consummation of the Reorganization or Sale were Incumbent Directors at the time of the Board’s approval of the
execution of the initial agreement providing for such Reorganization or Sale (any Reorganization or Sale which satisfies all of the criteria specified in (A), (B) and (C) above shall be deemed to be a “Non-Qualifying
Transaction”); or 
                 (iv)        the stockholders of the Company approve a plan of complete liquidation or dissolution of the
Company. 
 Notwithstanding the foregoing, a Change in Control of the Company shall not be deemed to occur solely because any person acquires beneficial
ownership of more than 20% (30% with respect to deferred compensation subject to Section 409A of the Code) of the Company Voting Securities as a result of the acquisition of Company Voting Securities by the Company which reduces the number of
Company Voting Securities outstanding; provided, that if after such acquisition by the Company such person becomes the beneficial owner of additional Company Voting Securities that increases the percentage of outstanding Company Voting
Securities beneficially owned by such person, a Change in Control of the Company shall then occur. 
                 (e)          Notice of Termination. Any termination by the Company or by the Executive shall
be communicated by Notice of Termination to the other party hereto given in accordance with Section 11(b) of this Agreement. For purposes of this Agreement, a “Notice of Termination” means a written notice which (i) indicates the
specific termination provision in this Agreement relied upon, (ii) to the extent applicable, sets forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the
provision so indicated and (iii) if the Date of Termination (as defined below) is other than the date of receipt of such notice, specifies the termination date (which date shall be not more than 30 days after the giving of such notice). The
failure by the Executive or the Company to set forth in the Notice of Termination any fact or circumstance which contributes to a showing of Good Reason or Cause shall not waive any right of the Executive or the Company, respectively, hereunder or
preclude the Executive or the Company, respectively, from asserting such fact or circumstance in enforcing the Executive’s or the Company’s rights hereunder. 
                 (f)         Date of Termination. “Date of Termination”
means (i) if the Executive’s employment is terminated by the Company other than for Disability, or by the Executive, the date of receipt of the Notice of Termination or any later date specified therein within 30 days of such notice, or
(ii) if the Executive’s employment is terminated by reason of death or Disability, the date of death of the Executive or the Disability Effective Date, as the case may be. 
         4.      Obligations of the Company upon Termination.

  

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 (a)         Good Reason; Other Than for Cause,
Death or Disability. If, within 2 years following a Change in Control, the Company shall terminate the Executive’s employment other than for Cause, Disability or death, or the Executive shall terminate employment for Good Reason:

         (i)        the Company shall pay
to the Executive in a lump sum in cash within 60 days after the Date of Termination, subject to the Executive’s execution and nonrevocation, within 52 days after the Date of Termination, of the general release described in Section 11:

         A.        the product of 2 times
the sum of (x) the Executive’s annual bonus, including any deferred amounts (based upon the higher of (1) the Executive’s target bonus for the fiscal year in which the Change in Control occurs (or, if the Executive’s target
bonus for such period has not been established at the time of the Change in Control, the Executive’s target bonus for the fiscal year prior to the fiscal year in which the Change in Control occurs) and (2) the bonus the Executive received
for the fiscal year immediately preceding the fiscal year in which the Change in Control occurs) and (y) the Executive’s annual base salary (based upon the higher of (i) the Executive’s annual base salary as of the Date of
Termination or (ii) the highest annual base salary the Executive received within the 12-month period prior to the Change in Control); 
         B.        the sum of (x) the Executive’s annual base salary through the Date of Termination to the extent not
theretofore paid or deferred pursuant to an irrevocable election under any deferred compensation arrangement subject to Section 409A of the Code, and (y) the product of (1) the Executive’s annual bonus for the fiscal year in
which the Change in Control occured, assuming that the Executive achieved his target (or, if the Executive’s target bonus for such period has not been established at the time of the Change in Control, the Executive’s target bonus for the
fiscal year prior to the fiscal year in which the Change in Control occurs) and (2) a fraction, the numerator of which is the number of days in the fiscal year in which the Date of Termination occured through the Date of Termination and the
denominator of which is 365 (the sum of the amounts described in clauses (x) and (y) shall be hereinafter referred to as the “Accrued Obligations”); and 
         C.        if applicable, any compensation
previously deferred by Executive under the Unum Deferred Compensation Plan (together with any earnings and interest thereon), unless payment of such deferred compensation in a lump sum cash amount within 30 days after the Date of Termination would
(x) violate the terms of the applicable plan or (y) result in the imposition of taxation or penalties pursuant to Section 409A of the Code. 
                 (ii)    the Company
shall continue to provide, for a period of 2 years following the Executive’s Date of Termination, the Executive (and the Executive’s 

  

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dependents, if applicable) with the same level of medical, dental, disability and life insurance benefits upon substantially the same terms and conditions
(including contributions required by the Executive for such benefits) as existed immediately prior to the Executive’s Date of Termination (or, if more favorable to the Executive, as such benefits and terms and conditions existed immediately
prior to the Change in Control); provided that, if the Executive cannot continue to participate in the Company plans providing such benefits, the Company shall otherwise provide such benefits on the same after-tax basis as if continued participation
had been permitted; provided, however, that the medical and dental benefits provided pursuant to this paragraph shall be provided in such a manner that such benefits (and the costs and premiums thereof) are excluded from the
Executive’s income for federal income tax purposes and, if the Company reasonably determines that providing continued coverage under one or more of its benefit plans could be taxable to the Executive, the Company may provide such benefits at
the level required hereby through the purchase of individual insurance coverage. Notwithstanding the foregoing, (x) if and to the extent required to avoid the imposition of taxes and penalties under Internal Revenue Code Section 409A, the
Executive will pay the entire cost of such coverage for the first 6 months after the Date of Termination and the Company will reimburse the Executive for the Company’s share of such costs, determined pursuant to this paragraph, on the six-month
anniversary of the Executive’s “separation from service” as defined under Internal Revenue Code Section 409A, and (y) in the event the Executive becomes reemployed with another employer and becomes eligible to receive
welfare benefits from such employer, the welfare benefits described herein shall be secondary to such benefits during the period of the Executive’s eligibility, but only to the extent that the Company reimburses the Executive for any increased
cost and provides any additional benefits necessary to give the Executive the benefits provided hereunder; provided, however, that such reimbursements shall be provided only in such a manner that such reimbursements are excluded from
the Executive’s income for federal income tax purposes. 
                 (iii)        notwithstanding any provision of any Company equity plan or any award agreement granted
thereunder, all stock options, restricted stock awards and other equity based awards granted to the Executive on or after the date hereof (the “Equity Awards”) shall vest and shall remain exercisable for a period of 90 days from the Date
of Termination or the earlier expiration of their initial full scheduled term; provided, that, any Equity Awards that constitute “nonqualified deferred compensation” for purposes of Section 409A of the Code will vest
immediately, but shall not be paid until the date on which such Equity Awards would otherwise be payable in accordance with the terms of the Company equity plan under which they were granted. 
                 (iv)        the Company shall pay to the Executive in a lump sum in cash within 60 days after the Date
of Termination, subject to the Executive’s execution and nonrevocation, within 52 days after the Date of Termination, of the general release described in Section 11, an amount equal to the excess of (A) the actuarial equivalent of the
Executive’s benefit under the Company’s tax-qualified defined benefit pension plan (the “Retirement Plan”) (utilizing actuarial assumptions no less favorable to the 

  

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Executive than those in effect under such plan immediately prior to the Effective Date) and the supplemental defined benefit pension plan (the
“SERP”) that the Executive would receive if the Executive’s employment continued for 2 additional years after the Date of Termination, assuming for this purpose that (1) the Excecutive’s age is increased by the number of
years that the Executive is deemed to be so employed and (2) the Executive’s compensation in each of the 2 years is that referred to in Section 4(a)(i)(A) above, over (B) the actuarial equivalent of the Executive’s actual
benefit (paid or payable), if any, under the Retirement Plan and the SERP as of the Date of Termination. 
                 (v)        to the extent not theretofore paid or provided, the Company shall timely pay or provide to
the Executive any other amounts or benefits required to be paid or provided or which the Executive is eligible to receive under any plan, program, policy or practice or contract or agreement of the Company and its affiliated companies through the
Date of Termination (such other amounts and benefits shall be hereinafter referred to as the “Other Benefits”). 
                 (vi)      the Company shall provide individual outplacement services to the Executive in accordance with the
practices and policies of the Company in effect immediately prior to the Change in Control of the Company. 
 Notwithstanding anything in
this Agreement to the contrary, if (i) the Executive’s employment is terminated prior to a Change in Control for reasons that would have constituted a Good Reason or without Cause termination if they had occurred following a Change in
Control; (ii) the Executive reasonably demonstrates that such termination (or Good Reason event) was in anticipation of, in connection with, or was at the request of a third party who had indicated an intention or taken steps reasonably
calculated to effect a Change in Control; and (iii) a Change in Control involving such third party (or a party competing with such third party to effectuate a Change in Control) does occur, then for purposes of this Agreement, the Executive
shall be treated as if the Change in Control occurred on the date immediately prior to the date of such termination of employment or event constituting Good Reason. 
                 (b)        Death or Disability. If the Executive’s employment is terminated by reason of the
Executive’s death or disability, this Agreement shall terminate without further obligations to the Executive’s legal representatives or to the Executive, as the case may be, under this Agreement, other than for payment of Accrued
Obligations and the timely payment or provision of Other Benefits. Accrued Obligations shall be paid to the Executive, the Executive’s estate or beneficiary, as applicable, in a lump sum in cash within 30 days of the Date of Termination.

                 (c)        Cause; Other than for Good Reason. If the Executive’s employment shall be
terminated for Cause or the Executive terminates his employment without Good Reason, this Agreement shall terminate without further obligations to the Executive other than the obligation to pay to the Executive (i) his Annual Base Salary
through the Date of Termination to the extent theretofore unpaid and (ii) the Other Benefits. 
  

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                 5.        Non-exclusivity of Rights. Except as specifically provided, nothing in this Agreement
shall prevent or limit the Executive’s continuing or future participation in any plan, program, policy or practice provided by the Company or any of its affiliated companies and for which the Executive may qualify, nor, subject to Sections 1
and 10(f), shall anything herein limit or otherwise affect such rights as the Executive may have under any contract or agreement with the Company or any of its affiliated companies. Amounts which are vested benefits or which the Executive is
otherwise entitled to receive under any plan, policy, practice or program of or any contract or agreement with the Company or any of its affiliated companies at or subsequent to the Date of Termination shall be payable in accordance with such plan,
policy, practice or program or contract or agreement except as explicitly modified by this Agreement; provided that the Executive shall not be eligible for severance benefits under any other program or policy of the Company. 
                 6.        Full Settlement. The Company’s obligation to make the payments provided for in
this Agreement and otherwise to perform its obligations hereunder shall not be affected by any set-off, counterclaim, recoupment, defense or other claim, right or action which the Company may have against the Executive or others. In no event shall
the Executive be obligated to seek other employment or take any other action by way of mitigation of the amounts payable to the Executive under any of the provisions of this Agreement, and such amounts shall not be reduced whether or not the
Executive obtains other employment. The Company agrees to pay as incurred (within 10 days following the Company’s receipt of an invoice from the Executive), at any time from the Change in Control through the Executive’s remaining lifetime
(or, if longer, through the 20th anniversary of the Change in Control), to the full extent permitted by law, all legal fees and expenses which the Executive may reasonably incur as a result of any contest (regardless of the outcome thereof) pursued
or defended against in good faith by the Executive regarding the validity or enforceability of, or liability under, any provision of this Agreement or any guarantee of performance thereof (including as a result of any contest by the Executive about
the amount of any payment pursuant to this Agreement) from and after a Change in Control, plus in each case interest on any delayed payment at the applicable Federal rate provided for in Section 7872(f)(2)(A) of the Code. In order to comply
with Section 409A of the Code, in no event shall the payments by the Company under this Section 6 be made later than the end of the calendar year next following the calendar year in which such fees and expenses were incurred; provided,
that the Executive shall have submitted an invoice for such fees and expenses at least 10 days before the end of the calendar year next following the calendar year in which such fees and expenses were incurred. The amount of such legal fees and
expenses that the Company is obligated to pay in any given calendar year shall not affect the legal fees and expenses that the Company is obligated to pay in any other calendar year, and the Executive’s right to have the Company pay such legal
fees and expenses may not be liquidated or exchanged for any other benefit. 
                 7.        Certain Additional Payments by the Company. 
                           (a)        Anything in this Agreement to the
contrary notwithstanding and except as set forth below, in the event it shall be determined that any payment or distribution by the Company to or for the benefit of the Executive (whether paid or payable or distributed or 

  

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distributable pursuant to the terms of this Agreement or otherwise, but determined without regard to any additional payments required under this
Section 7) (a “Payment”), would be subject to the excise tax imposed by Section 4999 of the Code or any interest or penalties are incurred by the Executive with respect to such excise tax (such excise tax, together with any such
interest and penalties, are hereinafter collectively referred to as the “Excise Tax”), then the Executive shall be entitled to receive an additional payment (a “Gross-Up Payment”) in an amount such that after payment by the
Executive of all taxes (including any interest or penalties imposed with respect to such taxes), including, without limitation, any income taxes (and any interest and penalties imposed with respect thereto) and Excise Tax imposed upon the Gross-Up
Payment, but excluding any income taxes and penalties imposed pursuant to Section 409A of the Code, the Executive retains an amount of the Gross-Up Payment equal to the Excise Tax imposed upon the Payments. Notwithstanding the foregoing
provisions of this Section 7(a), if it shall be determined that the Executive is entitled to a Gross-Up Payment, but that the Payments do not exceed 110% of the greatest amount that could be paid to the Executive such that the receipt of
Payments would not give rise to any Excise Tax (the “Reduced Amount”), then no Gross-Up Payment shall be made to the Executive and the amounts payable under this Agreement shall be reduced to the Reduced Amount. The reduction of payments
hereunder, if applicable, shall be made by reducing the payments and benefits under the following sections in the following order: (i) Section 4(a)(i)(A), (ii) Section 4(a)(iv), (iii) Section 4(a)(v),
(iv) Section 4(a)(vi), (v) Section 4(a)(i)(B), (vi) Equity Awards described in Section 4(a)(iii) subject to performance-based vesting conditions, and (vii) Equity Awards described in Section 4(a)(iii) not
subject to performance-based vesting conditions. If the reduction of the amounts payable under this Agreement would not result in a reduction of the Payments to the Reduced Amount, no amounts payable under this Agreement shall be reduced pursuant to
this Section 7(a). The Company’s obligation to make Gross-Up Payments under this Section 7 shall not be conditioned upon the Executive’s termination of employment. 
                 (b)        Subject to the provisions of Section 7(c), all determinations required to be made under
this Section 7, including whether and when a Gross-Up Payment is required and the amount of such Gross-Up Payment and the assumptions to be utilized in arriving at such determination, shall be made by a nationally recognized certified public
accounting firm as may be designated by the Company prior to a Change in Control and reasonably acceptable to the Executive (the “Accounting Firm”) which shall provide detailed supporting calculations both to the Company and the Executive
within 15 business days of the receipt of notice from the Executive that there has been a Payment, or such earlier time as is requested by the Company. In the event that the Accounting Firm is serving as accountant or auditor for the individual,
entity or group affecting the Change in Control, the Company shall appoint another nationally recognized accounting firm to make the determinations required hereunder (which accounting firm shall then be referred to as the Accounting Firm
hereunder). All fees and expenses of the Accounting Firm shall be borne solely by the Company. Any determination by the Accounting Firm shall be binding upon the Company and the Executive. As a result of the uncertainty in the application of
Section 4999 of the Code at the time of the initial determination by the Accounting Firm hereunder, it is possible that Gross-Up Payments which will not have been made by the Company should have been made (“Underpayment”), consistent
with the calculations required to be made hereunder. In the event that the Company 

  

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exhausts its remedies pursuant to Section 7(c) and the Executive thereafter is required to make a payment of any Excise Tax, the Accounting Firm shall
determine the amount of the Underpayment that has occurred and any such Underpayment shall be promptly paid by the Company to or for the benefit of the Executive. 
                 (c)        The Executive shall notify the Company in writing of any claim by the Internal Revenue
Service that, if successful, would require the payment by the Company of the Gross-Up Payment. Such notification shall be given as soon as practicable but no later than 10 business days after the Executive is informed in writing of such claim and
shall apprise the Company of the nature of such claim and the date on which such claim is requested to be paid. The Executive shall not pay such claim prior to the expiration of the 30-day period following the date on which it gives such notice to
the Company (or such shorter period ending on the date that any payment of taxes with respect to such claim is due). If the Company notifies the Executive in writing prior to the expiration of such period that the Company desires to contest such
claim, the Executive shall: 
                 (i)        give the Company any information reasonably requested by the Company relating to such claim,

                 (ii)       take such action in connection with contesting such claim as the Company shall reasonably request in
writing from time to time, including, without limitation, accepting legal representation with respect to such claim by an attorney reasonably selected by the Company, 
                 (iii)     cooperate
with the Company in good faith in order effectively to contest such claim, and 
                 (iv)      permit the Company to participate in any proceedings relating to such claim; provided, however,
that the Company shall bear and pay directly all costs and expenses (including additional interest and penalties) incurred in connection with such contest and shall indemnify and hold the Executive harmless, on an after-tax basis, for any Excise Tax
or income tax (including interest and penalties with respect thereto) imposed as a result of such representation and payment of costs and expenses. Without limitation on the foregoing provisions of this Section 7(c), the Company shall control
all proceedings taken in connection with such contest and, at its sole discretion, may pursue or forgo any and all administrative appeals, proceedings, hearings and conferences with the applicable taxing authority in respect of such claim and may,
at its sole discretion, either pay the tax claimed to the appropriate taxing authority on behalf of the Executive and direct the Executive to sue for a refund or contest the claim in any permissible manner, and the Executive agrees to prosecute such
contest to a determination before any administrative tribunal, in a court of initial jurisdiction and in one or more appellate courts, as the Company shall determine; provided, however, that, if the Company directs the Executive to pay such claim
and sue for a refund, the Company shall indemnify and hold the Executive harmless, on an after-tax basis, from any Excise Tax or income tax (including interest or penalties) imposed with respect to such payment 

  

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or with respect to any imputed income with respect to such payment; and provided, further, that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the Executive with respect to which such contested amount is claimed to be due is limited solely to such contested amount. Furthermore, the Company’s control of the contest shall be limited
to issues with respect to which a Gross-Up Payment would be payable hereunder and the Executive shall be entitled to settle or contest, as the case may be, any other issue raised by the Internal Revenue Service or any other taxing authority.

                 (d)        If, after the receipt by the Executive of an amount paid by the Company on the
Executive’s behalf pursuant to Section 7(c), the Executive becomes entitled to receive any refund with respect to such claim, the Executive shall (subject to the Company’s complying with the requirements of Section 7(c), if
applicable) promptly pay to the Company the amount of such refund (together with any interest paid or credited thereon after taxes applicable thereto). If, after payment by the Company of an amount on the Executive’s behalf pursuant to
Section 7(c), a determination is made that the Executive shall not be entitled to any refund with respect to such claim and the Company does not notify the Executive in writing of its intent to contest such denial of refund prior to the
expiration of 30 days after such determination, then such payment shall not be required to be repaid and the amount of such payment shall offset, to the extent thereof, the amount of Gross-Up Payment required to be paid. 
                 (e)        Any Gross-Up Payment, as determined pursuant to this Section 7, shall be paid by the
Company to the Executive within 5 days of the receipt of the Accounting Firm’s determination; provided that, the Gross-Up Payment shall in all events be paid no later than the end of the Executive’s taxable year next following the
Executive’s taxable year in which the Excise Tax (and any income or other related taxes or interest or penalties thereon) on a Payment is remitted to the Internal Revenue Service or any other applicable taxing authority or, in the case of
amounts relating to a claim described in Section 7(c) that does not result in the remittance of any federal, state, local and foreign income, excise, social security and other taxes, the calendar year in which the claim is finally settled or
otherwise resolved. Notwithstanding any other provision of this Section 7, the Company may, in its sole discretion, withhold and pay over to the Internal Revenue Service or any other applicable taxing authority, for the benefit of the
Executive, all or any portion of any Gross-Up Payment, and the Executive hereby consents to such withholding. 
         8.        Confidential Information and Non-Solicitation. 
                   (a)        The Executive hereby acknowledges that, as an employee of the Company, he will be
making use of, acquiring and adding to confidential information of a special and unique nature and value relating to the Company and its strategic plan and financial operations. The Executive further recognizes and acknowledges that all confidential
information is the exclusive property of the Company, is material and confidential, and is critical to the successful conduct of the business of the Company. Accordingly, the Executive hereby covenants and agrees that he will use confidential
information for the benefit of the Company only and shall not at any time, directly or indirectly, during the term of this Agreement, and 

  

 12 

 
thereafter for all periods during which severance or other amount is paid, divulge, reveal or communicate any confidential information to any person, firm,
corporation or entity whatsoever, or use any confidential information for his own benefit or for the benefit of others. The Executive also agrees not to hire or solicit for hire, directly or indirectly, any employee on the payroll of the Company for
any third party during the term of this Agreement and for one year after the Date of Termination without the prior written consent of the Company. In no event shall an asserted violation of the provisions of this Section 8 constitute a basis
for deferring or withholding any amounts otherwise payable to the Executive under this Agreement. 
                 (b)        Any termination of the Executive’s employment or of this Agreement shall have no effect
on the continuing operation of this Section 8. 
                 (c)        The Executive acknowledges and agrees that the Company will have no adequate remedy at law,
and could be irreparably harmed, if the Executive breaches or threatens to breach any of the provisions of this Section 8. The Executive agrees that the Company shall be entitled to equitable and/or injunctive relief to prevent any breach or
threatened breach of this Section 8, and to specific performance of each of the terms hereof in addition to any other legal or equitable remedies that the Company may have. The Executive further agrees that he shall not, in any equity
proceeding relating to the enforcement of the terms of this Section 8, raise the defense that the Company has an adequate remedy at law. 
         9.      Successors. 
                 (a)        This Agreement is personal to the Executive and without the prior
written consent of the Company shall not be assignable by the Executive otherwise than by will or the laws of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Executive’s legal representatives.

                 (b)        This Agreement shall inure to the benefit of and be binding upon the Company and its
successors and assigns. 
                 (c)        The Company will require any successor (whether direct or indirect, by purchase, merger,
consolidation or otherwise) to all or substantially all of the business and/or assets of the Company to assume expressly and agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform it
if no such succession had taken place. As used in this Agreement, “Company” shall mean the Company as hereinbefore defined and any successor to its business and/or assets as aforesaid which assumes and agrees to perform this Agreement by
operation of law, or otherwise. 
  

 13 

         10.      Miscellaneous. 
                              (a)        This Agreement
shall be governed by and construed in accordance with the laws of the State of Delaware, without reference to principles of conflict of laws. The captions of this Agreement are not part of the provisions hereof and shall have no force or effect.
This Agreement may not be amended or modified otherwise than by a written agreement executed by the parties hereto or their respective successors and legal representatives. 
                              (b)        All notices and
other communications hereunder shall be in writing and shall be given by hand delivery to the other party or by registered or certified mail, return receipt requested, postage prepaid, addressed as follows: 
             if to the Executive: 
             at the most recent address on file at the Company; and 
             if to the Company: 
             Unum Group 
             1 Fountain Square 
             Chattanooga, Tennessee 37402 
             Attention: General Counsel, 
 or to such other address as either party shall have furnished to the other in writing in accordance herewith. Notice and communications shall be
effective when actually received by the addressee. 
                              (c)        The invalidity
or unenforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement. 
                              (d)        The Company may
withhold from any amounts payable under this Agreement such federal, state, local or foreign taxes as shall be required to be withheld pursuant to any applicable law or regulation. 
                              (e)        The
Executive’s or the Company’s failure to insist upon strict compliance with any provision of this Agreement or the failure to assert any right the Executive or the Company may have hereunder, including, without limitation, the right of the
Executive to terminate employment for Good Reason pursuant to Section 3(c)(i)-(vii) of this Agreement, shall not be deemed to be a waiver of such provision or right or any other provision or right of this Agreement. 
                              (f)        From and after
the Effective Date this Agreement shall supersede any other employment, severance or change of control agreement between the parties with respect to the subject matter hereof. 
  

 14 

                 11.        General Release.   All payments under this Agreement to be made in
connection with the Executive’s termination of employment will be conditioned on the Executive signing a general form of release in the form attached hereto as Exhibit A, and no payments under this Agreement shall be made unless the Executive
executes and does not revoke, within 52 days after the Date of Termination, such general form of release. 
                 IN WITNESS WHEREOF, the Executive has hereunto set the Executive’s hand and, pursuant to the authorization from its Board of Directors, the
Company has caused these presents to be executed in its name on its behalf, all as of the day and year first above written. 
  

					
		 	 Executive

		
	 	 	  
		 	Name:
		
		 	  
 Unum Group

			
	By:	 		 	
		
		 	 
		 	Name:	 	    Thomas R. Watjen
		 	Title:	 	    President and
		 		 	    Chief Executive Officer

  

 15 

 UNUM GROUP 
 AGREEMENT AND GENERAL RELEASE 
 EXHIBIT A 
 THIS AGREEMENT AND GENERAL RELEASE (this “Agreement”) is made by and between [insert executive name] (“you”) and Unum
Group (“Unum”), its predecessors, successors and assigns. When used herein, Unum shall also include its affiliates, and its current or former officers, directors, shareholders, agents, attorneys, representatives, employees, benefit plans
and plan fiduciaries and trustees. You agree that you have executed this Agreement on your own behalf, and on behalf of any heirs, agents, representatives, successors and assigns that you may have now or in the future. 
 1.  NON-ADMISSIONS 
         Unum denies that it has violated any law, constitution, regulation, statute, ordinance, or any other legal duty existing at common law or otherwise as regards its relationship with you. It is
understood and contemplated that this Agreement is for the compromise of potential and disputed claims, and that the consideration provided in this Agreement is not and shall not be construed as an admission of liability on the part of any party or
parties hereby released. 
 2.  CONSIDERATION 
         In consideration of this Agreement, Unum will provide you with the severance benefits described in the
Change in Control Severance Agreement beteween you and Unum (the “CIC Agreement”). You acknowledge that Unum will withhold from amounts due to you appropriate payroll taxes and will offset against the remainder any advances, loans, debts,
sales deficits or similar amounts you owe Unum or for which Unum may be held responsible. For any amounts not subject to withholding, you agree that Unum has made no representation to you concerning tax consequences of the payments, and you agree
that you have not relied on any such representation. You agree to indemnify and hold harmless Unum from any taxes, assessments, interest, or penalties that Unum may at any time incur by reason of demand, suit, or proceeding brought against it for
any taxes, interest, penalties or assessments arising out of this Agreement. 
 3.  GENERAL RELEASE 
         For and in consideration of the payment, mutual promises, covenants, and agreements made herein by and
between you and Unum, you unconditionally and generally release Unum from each and every action, claim, right, liability or demand of any kind and nature, and from any claims which may be derived therefrom, that you had, have, or might hereafter
claim to have against Unum or any current or former employee, agent, successor or predecessor of Unum at common law, public policy or otherwise, particularly including, but not by way of limitation, the following: all claims for personal injury,
including claims for emotional distress; any claim arising under the Age Discrimination in Employment Act of 1967, as amended; Title VII of the Civil Rights Act of 1991; the Americans with Disabilities Act of 1990; the Rehabilitation Act of 1973;
the Fair Labor Standards Act; the National Labor Relations Act; Sections 1981 through 1988 of Title 42 of the 

  

 16 

 
United States Code; the Immigration Reform and Control Act; the False Claims Act; the Occupational Safety and Health Act; the Worker Adjustment and
Retraining Notification Act; the Employment Retirement Income Security Act of 1974 (save for a benefit claim as provided below); any other federal, state or local law dealing with discrimination in employment on the basis of sex, race, color,
national origin, religion, disability, age, sexual orientation or any other grounds; any claim for wrongful discharge or breach of contract; and any other claims based on tort, whether based on common law, public policy or otherwise. It is your
intent to release all claims of every nature and kind whether known or unknown, accrued or unaccrued, which you may have against Unum as of the date of the execution of this Agreement. 
         It is expressly understood and agreed by you that this Agreement does not include your vested rights, if
any, in the Unum Pension or in the Unum 401(k) Retirement Plan, any other rights you may have to benefits under Unum’s welfare benefit plans, or any vested rights you may have under a stock option or long term incentive plan, or any rights to
deferred compensation. Such retirement plan, welfare plan, stock options or deferred compensation rights survive unaffected by this release, subject to the laws and plan documents governing those plans. This Agreement does not include any rights or
claims against Unum or those associated with Unum that you may have which arise after the date you sign the Agreement, or any claim that you may have to unemployment compensation or workers’ compensation benefits. 
 4.        FUTURE LEGAL ACTION 
         You agree that you will never institute a claim or charge of employment discrimination with any agency
(except as provided below) or sue Unum, concerning any claim you may have relating to your employment with Unum or the termination of that employment. You also agree to waive all right to any damages or other relief. 
         If you violate this Agreement by suing Unum, you agree that you will pay all costs and expenses incurred
by Unum in defending against the suit, including reasonable attorneys’ fees. 
         If you
violate this Agreement by filing a lawsuit or charge against Unum, you agree to pay back the entire payment that you received under the Plan within 7 days after you file your lawsuit or charge. Such payment should be sent to the Executive
Vice-President and General Counsel, Unum Group, 1 Fountain Square, Chattanooga, TN 37402. If you fail to timely pay back the entire payment, you hereby agree to dismiss, with prejudice, any such lawsuit or charge. 
         This promise does not prevent you from filing an employment discrimination charge with the EEOC or a state
or local fair employment agency or from cooperating with the EEOC or such an agency in an investigation. However, if you file such a charge, you agree that you have waived all rights to any money, damages, attorneys’ fees, costs, right to sue
or other relief or remedy in any such charge. 
 5.      CONFIDENTIALITY AND NON-DISCLOSURE OF
INFORMATION 
          You hereby acknowledge that, as an employee of Unum, you have
made use of, acquired and added to confidential information of a special and unique nature and value relating to Unum and its strategic plan and financial operations. You further recognize and acknowledge that all confidential information is the
exclusive property of Unum, is material and confidential, and is critical to the successful conduct of the business of Unum. Accordingly, you hereby covenant and 

  

 17 

 
agree that you will use confidential information for the benefit of Unum only and shall not at any time, directly or indirectly, during the term of the CIC
Agreement and thereafter for all periods during which severance or other such amounts are paid, divulge, reveal or communicate any confidential information to any person, firm, corporation or entity whatsoever, or use any confidential information
for his own benefit or for the benefit of others. You agree that you have returned all company property including, but not limited to, books, records, files, computers, and phones. 
 6.        NON-SOLICITATION OF OTHER UNUM EMPLOYEES AND BROKERS 
                 If you are an officer or in a sales position, you further
agree that for a period of one year after your employment termination from Unum, you will not directly or indirectly solicit, assist or induce any of Unum’s sales representatives, officers or brokers to terminate their relationships with Unum.
You also agree that for a period of one year after your employment termination from Unum, you will not directly or indirectly solicit, assist or induce any of Unum’s sales representatives or officers to become employed by or associated with
another insurance company. You acknowledge and agree that Unum has a valid need to protect its business by prohibiting such solicitation and that these restrictions are both reasonable and necessary to protect Unum’s business. It is not the
intent of Unum to prohibit you from obtaining employment in an industry either related or unrelated to Unum’s business. 
 7.        NON-DISPARAGEMENT 
                 You further agree not to make any statement, oral or written, publicly or in private, which is reasonably foreseeable as harming Unum’s
business interests, discloses confidential or proprietary information gained during your employment, or impacts negatively on Unum’s business reputation or its reputation in the community. Nothing in this paragraph will be construed to prevent
you from communicating with or responding to a request for information from a federal, state, administrative agency or court. 
 8.            CONSULTATION 
                 By executing this Agreement, you acknowledge that you have been advised to consult with an attorney in the matter as Unum has recommended, that
you have had ample opportunity to discuss fully with your attorney the terms and the legal significance of this Agreement, and that you freely enter into this Agreement. 
 9.        ENTIRE AGREEMENT/ MODIFICATIONS 
                 This Agreement contains the entire understanding between the parties and may not be modified except in writing signed by all authorized parties
to this Agreement. You acknowledge that this Agreement is executed without any reliance on any statement or representation by Unum or any agents of Unum concerning the nature and extent of the damages or legal liability thereof. 
 10.        TERMINATION OF EMPLOYMENT 
  

 18 

                 You agree
that your employment with Unum will end on [insert date], irrevocably and forever. Unless otherwise modified by the parties in accordance with paragraph 9 above, you will not seek re-employment, nor be re-employed. If such a
modification occurs and you are re-employed, you may be required to repay Unum part or all of the consideration referred to in Paragraph 2. Specifically, Unum shall recapture severance benefits paid under the Plan, in the event that you are
subsequently rehired by Unum or any of its subsidiaries or affiliates, by requiring repayment in an amount equal to the severance benefit payable in respect of that number of weeks equal to the excess of (i) the number of weeks for which
severance benefits were provided to you over (ii) the number of weeks between the date on which your employment with Unum first terminated and the date on which you recommenced employment with Unum. 
 11.        FORTY-FIVE DAY PERIOD 
                 You understand that you have a period of 45 days
beginning [insert date of executive’s receipt of Agreement] and ending [insert date 45 days from date of receipt] to consider this Agreement before signing it. You further understand that you may use as much of this
(45) day period as you wish should you decide to enter into this Agreement. You may not execute this Agreement prior to your last day of employment. 
 12.        REVOCATION 
                 You may revoke this Agreement within 7 days of signing it. Revocation can be made by delivering a written notice of revocation to Unum Group, #1
Fountain Square, Chattanooga, TN 37402. For revocation to be effective, written notice must be received by a Human Resources or Legal Department Officer no later than the close of business on the seventh day after you sign this Agreement. If you
timely and properly revoke this Agreement, then this Agreement and any other election under the Plan you may have submitted to Unum will be null and void, and you will not participate in the Plan. Unless revoked by you, this Agreement shall become
effective, valid and binding on the eighth day after you sign this Agreement. 
 13.        TRIAL DEFENSE / INVESTIGATIONS 
                 It is understood by both parties that if after your termination you are named as a defendant in a lawsuit concerning any task you performed
within the scope of your employment at Unum, Unum acknowledges its common law duty to defend. You agree that if you have knowledge of any unlawful conduct on the part of Unum, you must immediately disclose it to Unum and agree to fully cooperate in
any trial and/or investigation of such matter. You also agree to fully cooperate in any investigation Unum undertakes into matters occurring during your employment with Unum. 
 14.        SEVERABILITY 
                 If any clause or provision of this Agreement is found invalid, illegal or otherwise unenforceable, such finding shall not affect the validity,
legality and enforceability of any other clause or provision or constitute a cause of action in favor of either party against the other. 
  

 19 

 15.        CERTAIN EXCEPTIONS 
                 Notwithstanding any provision of this Agreement or the
CIC Agreement, this Agreement shall not affect and expressly excludes any claim relating to: (1) obligations of Unum under the CIC Agreement; (2) obligations that, in each case, by their terms are to be performed after the date hereof
(including, without limitation, obligations to you under any equity compensation awards or agreements or obligations under any pension plan or other benefit or deferred compensation plan, all of which shall remain in effect in accordance with their
terms); (3) obligations to indemnify you respecting acts or omissions in connection with your service as a director, officer or employee of Unum or any affiliate of Unum (as defined in the CIC Agreement); (4) obligations with respect to
insurance coverage under any directors’ and officers’ liability insurance policies; (5) your rights to obtain contribution in the event of the entry of judgment against you as a result of any act or failure to act for you both you and
Unum or any affiliate of Unum (as defined in the CIC Agreement) are jointly responsible; (6) any rights that you may have as a stockholder of Unum; and (7) on facts and circumstances arising after the date hereof. 
                 BY SIGNING BELOW, YOU ACKNOWLEDGE THAT YOU HAVE
CAREFULLY READ THIS AGREEMENT, THAT YOU UNDERSTAND IT, THAT YOU HAVE BEEN GIVEN THE OPPORTUNITY TO ASK ANY QUESTIONS CONCERNING THIS AGREEMENT, AND THAT YOU FREELY, VOLUNTARILY AND KNOWINGLY ENTER INTO IT. 
  

			
	
		
	By:	 	 
		 	[insert executive name]
		
	Name:	 	 
		
	Date:	 	 
	
	FOR UNUM GROUP:
		
	By:	 	 
		 	Human Resources Officer
		
	Name:	 	 
		
	Date:	 	 

  

 20UnumProvident Corporation Broad-Based Stock Plan of 2001, as amended.

 Exhibit 10.17 
 UNUM GROUP 
 (f/k/a UNUMPROVIDENT CORPORATION) 
 BROAD-BASED STOCK PLAN OF 2001 
 (as
amended February 8, 2001; as amended August 15, 2007) 
 ARTICLE I 
 PURPOSE 
         1.1         GENERAL.   The purpose of the Unum Group Broad-Based Stock Plan of 2001, as amended by the Board on February 8, 2001
and as further amended by the Committee (as herein defined) on August 15, 2007 (the “Plan”) is to promote the success, and enhance the value, of UnumProvident Corporation (the “Corporation”), by linking the personal
interests of its employees, officers, consultants, and Producers to those of Corporation stockholders and by providing such persons with an incentive for outstanding performance. The Plan is further intended to provide flexibility to the Corporation
in its ability to motivate, attract, and retain the services of employees, officers, consultants and Producers upon whose judgment, interest, and special effort the successful conduct of the Corporation’s operation is largely dependent.
Accordingly, the Plan permits the grant of incentive awards from time to time to selected employees, officers, consultants, Producers and directors. The Plan is intended to be a broad-based plan for purposes of Rule 312.03 of the NYSE Listed Company
Manual. No awards shall be granted under the Plan to its Officers or Directors (as defined below). 
 ARTICLE 2 
 EFFECTIVE DATE 
         2.1         EFFECTIVE DATE.   (a) The Plan shall be effective as of the date upon which it shall be approved by the Board (the
“Effective Date”). 
 (b) Each amendment of the Plan shall be effective as of the effective date of each such amendment as set
forth in Section 1.1. 
 ARTICLE 3 
 DEFINITIONS 
         3.1         DEFINITIONS.   When a word or phrase appears in this Plan with the initial letter capitalized, and the word or phrase does
not commence a sentence, the word or phrase shall generally be given the meaning ascribed to it in this Section or in Section 1.1 unless a clearly different meaning is required by the context. The following words and phrases shall have the
following meanings: 
                 (a)         “Board” means the Board of Directors of the Corporation. 
                 (b)
        “Change in Control” means and includes each of the following: 

             (1)         any “person” or “group” as those terms are used in Sections 13(d) and 14(d), respectively, of
the 1934 Act, other than the Maclellan family or a trustee or other fiduciary holding securities under an employee benefit plan of the Corporation, or a corporation owned, directly or indirectly, by the stockholders of the Corporation in
substantially the same proportions as their ownership of stock of the Corporation, is or becomes the “beneficial owner,” (as defined in Rule 13d-3 of the 1934 Act), directly or indirectly, of securities of the Corporation representing
thirty percent (30%) or more of the combined voting power of the Corporation’s then outstanding securities and (ii) the “group” comprised of the Maclellan family does not then beneficially own, directly or indirectly,
securities of the Corporation representing more than thirty percent (30%) of the combined voting power of the Corporation’s then outstanding securities; or 
             (2)         the stockholders of the Corporation approve a merger or consolidation of the Corporation with any other corporation,
other than a merger or consolidation which would result in the voting securities of the Corporation outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the
surviving entity) more than fifty percent (50%) of the combined voting power of the voting securities of the Corporation or such surviving entity outstanding immediately after such merger or consolidation, or the stockholders of the Corporation
approve a plan of complete liquidation of the Corporation or an agreement for the sale or disposition by the Corporation of all or substantially all the Corporation’s assets. 
 (c)         “Code” means the Internal Revenue Code of 1986, as amended
from time to time. 
 (d)         “Committee” means the
committee of the Board described in Article 4. 
 (e)        
“Corporation” means Unum Group (f/k/a UnumProvident Corporation), a Delaware corporation. 
 (f)         “Director”, when used as a capitalized term, shall mean a member of the Board of Directors of the Company. 
 (g)         “Disability” means the Participant is (1) unable to
engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than twelve (12) months, or
(ii) by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than 

 
twelve (12) months, receiving income replacement benefits for a period of not less than three (3) months under an accident and health plan covering
employees of the Participant’s employer. The Committee may require such medical or other evidence as it deems necessary to judge the nature and duration of the Participant’s condition. 
     (h)         “Effective Date” has the meaning
assigned such term in Section 2.1. 
     (i)         “Fair Market Value”, on any date, means (i) if the Common Stock is listed on a securities exchange or traded over the Nasdaq National Market, the
average of the high and low market prices reported in The Wall Street Journal at which a Share of Common Stock shall have been sold on such day or on the next preceding trading day if such date was not a trading day, or (ii) if the
Common Stock is not listed on a securities exchange or traded over the Nasdaq National Market, Fair Market Value shall be determined by the Committee in its good faith discretion using a reasonable valuation method which shall include consideration
of the following factors, as applicable: (i) the value of the Company’s tangible and intangible assets; (ii) the present value of the Company’s future cash-flows; (iii) the market value of stock or equity interests in
similar corporations and other entities engaged in substantially similar trades or businesses, the value of which can be readily determined objectively (such as through trading prices on an established securities market or an amount paid in an
arm’s-length private transaction); (iv) control premiums or discounts for lack of marketability; (v) recent arm’s length transactions involving the sale or transfer of such stock or equity interests; and (vi) other relevant
factors.] 
     (j)         “Non-Qualified
Stock Option” means an Option that is not intended to meet the requirements of Section 422 of the Code or any successor provision thereto. 
     (k)         “NYSE” means the New York Stock Exchange, Inc. 
     (l)         “Officer”, when used as a
capitalized term, shall mean an “officer” of the Company as defined in Rule 16a-1(f) under the 1934 Act (or such other definition of the term “officer” as the NYSE may subsequently adopt for purposes of its
“broad-based” exemption for the shareholder approval requirements of Rule 312.03 of the NYSE Listed Company Manual). 
     (m)         “Option” means a right granted to a Participant under Article 7 of the Plan to purchase Stock at a specified price during specified
time periods. Any Option granted under the Plan shall be a Non-Qualified Stock Option. 
     (n)         “Option Agreement” means any written agreement, contract, or other instrument or document evidencing an Option. 

     (o)         “Parent” means a corporation which owns or beneficially owns a majority of the outstanding voting stock or voting power of the Corporation. 
     (p)         “Participant” means a person who,
as an employee, officer, consultant, Producer or director of the Corporation or any Parent or Subsidiary, has been granted an Option under the Plan. 
     (q)         “Plan” means the Unum Group Broad-Based Stock Plan of 2001, as amended from time to time. 
     (r)         “Producer” means a producer of
insurance business for the Corporation or its Parents or Subsidiaries. For purposes of this Plan, Producers are deemed to be consultants of the Corporation or its Parents or Subsidiaries. 
     (s)         “Retirement” shall have the meaning
assigned such term in the applicable Option Agreement. 
     (t)         “Stock” means the $.01 par value common stock of the Corporation and such other securities of the Corporation as may be substituted for Stock pursuant to
Article 12. 
     (u)        
“Subsidiary” means any corporation, limited liability company, partnership or other entity of which a majority of the outstanding voting stock or voting power is beneficially owned directly or indirectly by the Corporation. 
     (v)         “1933 Act” means the Securities Act
of 1933, as amended from time to time. 
     (w)         “1934 Act” means the Securities Exchange Act of 1934, as amended from time to time. 
 ARTICLE 4 
 ADMINISTRATION 
     4.1         COMMITTEE.   The Plan shall be administered
by the Human Capital Committee (formerly the Compensation Committee) of the Board (the “Committee”) or by the Board. During any time that the Board is acting as administrator of the Plan, it shall have all the powers of the Committee
hereunder, and any reference herein to the Committee (other than in this Section 4.1) shall include the Board. 
     4.2         ACTION BY THE COMMITTEE.   For purposes of administering the Plan, the following rules of procedure shall govern the Committee. A majority of the
Committee shall constitute a quorum. The acts of a majority of the members present at any meeting at which a quorum is present, and acts approved unanimously in writing by 

 
the members of the Committee in lieu of a meeting, shall be deemed the acts of the Committee. Each member of the Committee is entitled to, in good faith,
rely or act upon any report or other information furnished to that member by any officer or other employee of the Corporation or any Parent or Subsidiary, the Corporation’s independent certified public accountants, or any executive compensation
consultant or other professional retained by the Corporation to assist in the administration of the Plan. 
     4.3         AUTHORITY OF COMMITTEE.   Except as provided below, the Committee has the exclusive power, authority and discretion to: 
     (a)         Designate Participants; 
     (b)         Determine the type or types of Options to be
granted to each Participant; 
     (c)        
Determine the number of Options to be granted and the number of shares of Stock to which an Option will relate; 
     (d)         Determine the terms and conditions of any Option granted under the Plan, including but not limited to, the exercise price, grant price, or purchase price, any
restrictions or limitations on the Option, any schedule for lapse of forfeiture restrictions or restrictions on the exercisability of an Option, and accelerations or waivers thereof, based in each case on such considerations as the Committee in its
sole discretion determines; 
     (e)        
Accelerate the vesting, exercisability or lapse of restrictions of any outstanding Option, based in each case on such considerations as the Committee in its sole discretion determines; 
     (f)         Determine whether, to what extent, and under
what circumstances the exercise price of an Option may be paid in, cash, Stock, or other property, or an Option may be canceled, forfeited, or surrendered; 
     (g)         Prescribe the form of each Option Agreement, which need not be identical for each Participant; 
     (h)         Decide all other matters that must be
determined in connection with an Option; 
     (i)         Establish, adopt or revise any rules and regulations as it may deem necessary or advisable to administer the Plan; 
     (j)         Make all other decisions and determinations
that may be required under the Plan or as the Committee deems necessary or advisable to administer the Plan; 

     (k)         Amend the Plan or any Option Agreement as provided herein; and 
 (l)         Adopt such modifications, procedures, and subplans as may be necessary or desirable to comply with provisions of the laws of non-U.S.
jurisdictions in which the Corporation or any Parent or Subsidiary may operate, in order to assure the viability of the benefits of Options granted to participants located in such other jurisdictions and to meet the objectives of the Plan; and

     (m)         Delegate its general
administrative duties under the Plan to an officer or employee or committee of officers or employees of the Corporation. 
         Notwithstanding the above, the Board or the Committee may expressly delegate to a special committee consisting of one or more Directors who are also officers of the Corporation some or all of
the Committee’s authority under subsections (a) through (g) above. 
         4.4.         DECISIONS BINDING. The Committee’s interpretation of the Plan, any Options granted under the Plan, any Option Agreement and all
decisions and determinations by the Committee with respect to the Plan are final, binding, and conclusive on all parties. No member of the Committee shall be liable for any act done in good faith. 
 ARTICLE 5 
 SHARES SUBJECT TO THE
PLAN 
         5.1.         NUMBER OF
SHARES. Subject to adjustment as provided in Section 12.1, the aggregate number of shares of Stock reserved and available for Options granted under the Plan shall be 2,000,000. 
         5.2.          LAPSED AWARDS. To the extent
that an Option is canceled, terminates, expires or lapses for any reason, any shares of Stock subject to the Option will again be available for the grant of Options under the Plan. 
         5.3.         STOCK DISTRIBUTED. Any Stock
distributed pursuant to an Option may consist, in whole or in part, of authorized and unissued Stock, treasury Stock or Stock purchased on the open market. 
 ARTICLE 6 
 ELIGIBILITY 
         6.1.         GENERAL. Options may be granted only to individuals who are employees, officers,
consultants, Producers or directors of the Corporation or a Parent or Subsidiary; provided, however, that no Options shall be granted under the Plan to a person who is an Officer or Director (as such capitalized terms are defined in
Section 3.1). 

 ARTICLE 7 
 STOCK OPTIONS 
         7.1.         GENERAL.   The Committee is authorized to grant Options to Participants on the following terms and conditions: 

            (a)         EXERCISE PRICE.   The exercise price per share of Stock under an Option shall be determined by the
Committee, provided that the exercise price for any Option shall not be less than the Fair Market Value as of the date of the grant. 
             (b)         TIME AND CONDITIONS OF EXERCISE.   The Committee shall determine the time or
times at which an Option may be exercised in whole or in part, subject to Section 7.1(e). Except with respect to Options subject to Code Section 409A, the Committee also shall determine the performance or other conditions, if any, that
must be satisfied before all or part of an Option may be exercised or vested. The Committee may waive any exercise or vesting provisions at any time in whole or in part based upon factors as the Committee may determine in its sole discretion so that
the Option becomes exerciseable or vested at an earlier date. The Committee may permit an arrangement whereby receipt of Stock upon exercise of an Option is delayed until a specified future date. 
             (c)         PAYMENT.   The Committee shall determine the methods by which the exercise price of an Option may
be paid, the form of payment, including, without limitation, cash, shares of Stock, or other property (including “cashless exercise” arrangements or “attestation” of shares previously owned), and the methods by which shares of
Stock shall be delivered or deemed to be delivered to Participants; provided that if shares of Stock are used to pay the exercise price of an Option (either by attestation or actual delivery), such shares must have been held by the Participant for
at least six months. Subject to the terms hereof, and any applicable law or agreement, payment of the exercise price of an Option may be made in a single payment or transfer, in installments, or on a deferred basis, in each case determined in
accordance with rules adopted by, and at the discretion of, the Committee, which shall be in compliance with Code Section 409A to the extent applicable. Further, to the extent required to comply with Section 409A of the Code, as determined
by the Corporation’s outside counsel, one or more payments under this Section 7.1(c) shall be delayed to the six month anniversary of the Participant’s separation from service, within the meaning of Code Section 409A. In
addition, payments under this Section 7.1(c) may be delayed if timely payment is administratively impracticable and the impracticability was unforeseeable, if making a timely payment would jeopardize the ability of Employer to continue as a
going concern, or if deduction of the payment is restricted by Code Section 162(m) and a reasonable person would not have anticipated that restriction at the time the legally binding right to the payment arose. In each case, payment must be
made as soon as the reason for the delay ceases to exist. 

             (d)         EVIDENCE OF GRANT.   All Options shall be evidenced by a written Option Agreement between the
Corporation and the Participant. The Option Agreement shall include such provisions, not inconsistent with the Plan, as may be specified by the Committee. 
             (e)         EXERCISE TERM.   In no event may any Option be
exercisable for more than ten years from the date of its grant. 
 ARTICLE 8 
 PROVISIONS APPLICABLE TO AWARDS 
         8.1.     LIMITS ON TRANSFER.   No right or interest of a Participant in any Option may be pledged, encumbered, or hypothecated to or in favor of any party
other than the Corporation or a Parent or Subsidiary, or shall be subject to any lien, obligation, or liability of such Participant to any other party other than the Corporation or a Parent or Subsidiary. No Option shall be assignable or
transferable by a Participant other than by will or the laws of descent and distribution or pursuant to a domestic relations order that would satisfy Section 414(p)(1)(A) of the Code if such Section applied to an Option under the Plan;
provided, however, that the Committee may (but need not) permit other transfers where the Committee concludes that such transferability is appropriate and desirable, taking into account any factors deemed relevant, including without limitation, any
state or federal tax or securities laws or regulations applicable to transferable Options. 
         8.2.     BENEFICIARIES.   Notwithstanding Section 8.1, a Participant may, in the manner determined by the Committee, designate a beneficiary to
exercise the rights of the Participant and to receive any distribution with respect to any Option upon the Participant’s death. A beneficiary, legal guardian, legal representative, or other person claiming any rights under the Plan is subject
to all terms and conditions of the Plan and any Option Agreement applicable to the Participant, except to the extent the Plan and Option Agreement otherwise provide, and to any additional restrictions deemed necessary or appropriate by the
Committee. If no beneficiary has been designated or survives the Participant, the Participant’s estate shall be deemed to be the beneficiary. Subject to the foregoing, a beneficiary designation may be changed or revoked by a Participant at any
time provided the change or revocation is filed with the Committee. 
         8.3.     STOCK CERTIFICATES.   All Stock issuable under the Plan is subject to any stop-transfer orders and other restrictions as the Committee deems
necessary or advisable to comply with federal or state securities laws, rules and regulations and the rules of any national securities exchange or automated quotation system on which the Stock is listed, quoted, or traded. The Committee may place
legends on any Stock certificate or issue instructions to the transfer agent to reference restrictions applicable to the Stock. 

         8.4.    
ACCELERATION UPON DEATH, DISABILITY OR RETIREMENT.   Notwithstanding any other provision in the Plan or any Participant’s Option Agreement to the contrary, upon the Participant’s death or Disability during his employment
or service as a consultant, Producer or director, or upon the Participant’s Retirement (if applicable), all of the Participant’s outstanding Options shall become fully exercisable. Any Option shall thereafter continue or lapse in
accordance with the other provisions of the Plan and the Option Agreement. 
         8.5.     ACCELERATION UPON A CHANGE IN CONTROL.   Except as otherwise provided in the Option Agreement, upon the occurrence of a Change in Control, all
outstanding Options shall become fully exercisable; provided, however that such acceleration will not occur if, in the opinion of the Corporation’s accountants, such acceleration would preclude the use of “pooling of interest”
accounting treatment for a Change in Control transaction that (a) would otherwise qualify for such accounting treatment, and (b) is contingent upon qualifying for such accounting treatment. 
         8.6     FFECT OF ACCELERATION.   If an Option is
accelerated under Section 8.5, the Committee may, in its sole discretion, provide (i) that the Option will expire after a designated period of time after such acceleration to the extent not then exercised, (ii) that the Option will be
settled in cash rather than Stock, (iii) that the Option will be assumed by another party to the transaction giving rise to the acceleration or otherwise be equitably converted in connection with such transaction, or (iv) any combination
of the foregoing. The Committee’s determination need not be uniform and may be different for different Participants whether or not such Participants are similarly situated. 
         8.7     TERMINATION OF EMPLOYMENT.   The employment
relationship shall be treated as continuing while the Participant is on military leave, sick leave, or other bona fide leave of absence if the period of such leave does not exceed 6 months, or if longer, so long as the individual retains a right to
reemployment with the service recipient under an applicable statute or by contract. A termination of employment shall not occur in (i) a circumstance in which a Participant transfers from the Corporation to one of its Parents or Subsidiaries,
transfers from a Parent or Subsidiary to the Corporation, or transfers from one Parent or Subsidiary to another Parent or Subsidiary, or (ii) in the discretion of the Committee as specified prior to such occurrence, in the case of a spin-off,
sale or disposition of the Participant’s employer from the Corporation or any Parent or Subsidiary. 
 ARTICLE 9 
 CHANGES IN CAPITAL STRUCTURE 
         9.1.     GENERAL.   In the event of a corporate transaction involving the Corporation (including, without limitation, any stock dividend, stock split,
extraordinary cash dividend, recapitalization, reorganization, merger, consolidation, split-up, spin-off, combination or exchange of shares), the authorization limits under Section 5.1 shall be adjusted proportionately, and the Committee may
adjust Options to preserve the benefits 

 
or potential benefits of the Options. Action by the Committee may include: (i) adjustment of the number and kind of shares which may be delivered under
the Plan; (ii) adjustment of the number and kind of shares subject to outstanding Options; (iii) adjustment of the exercise price of outstanding Options; and (iv) any other adjustments that the Committee determines to be equitable.
Without limiting the foregoing, in the event a stock dividend or stock split is declared upon the Stock, the authorization limits under Section 5.1 shall be increased proportionately, and the shares of Stock then subject to each Option shall be
increased proportionately without any change in the aggregate purchase price therefor. 
 ARTICLE 10 
 AMENDMENT, MODIFICATION AND TERMINATION 
         10.1.     AMENDMENT, MODIFICATION AND TERMINATION.   The Board or the Committee may, at any time and from time to time, amend,
modify or terminate the Plan without stockholder approval; provided, however, that the Board or Committee may condition any amendment or modification on the approval of stockholders of the Corporation if such approval is necessary or deemed
advisable with respect to tax, securities or other applicable laws, policies or regulations. 
         10.2         AWARDS PREVIOUSLY GRANTED.   At any time and from time to time, the Committee may amend, modify or terminate any
outstanding Option without approval of the Participant; provided, however, that, subject to the terms of the applicable Option Agreement, such amendment, modification or termination shall not, without the Participant’s consent, reduce or
diminish the value of such Option determined as if the Option had been exercised, vested, cashed in or otherwise settled on the date of such amendment or termination; and provided further that the original term of any Option may not be extended and,
except as otherwise provided in the anti-dilution provision of the Plan, the exercise price of any Option may not be reduced. No termination, amendment, or modification of the Plan shall adversely affect any Option previously granted under the Plan,
without the written consent of the Participant. 
 ARTICLE 11 
 GENERAL PROVISIONS 
         11.1.     NO RIGHTS TO AWARDS.   No person shall have any claim to be granted any Option under the Plan, and neither the Corporation nor the Committee is
obligated to treat Participants or eligible Participants uniformly. 
         11.2.     NO STOCKHOLDER RIGHTS.   No Option gives the Participant any of the rights of a stockholder of the Corporation unless and until shares of Stock
are in fact issued to such person in connection with such Option. 
         11.3.     WITHHOLDING.   The Corporation or any Parent or Subsidiary shall have the authority and the right to deduct or withhold, or require a Participant
to remit to the 

 
Corporation, an amount sufficient to satisfy federal, state, and local taxes (including the Participant’s FICA obligation) required by law to be
withheld with respect to any taxable event arising as a result of the Plan. With respect to withholding required upon any taxable event under the Plan, the Committee may, at the time the Option is granted or thereafter, require or permit that any
such withholding requirement be satisfied, in whole or in part, by withholding from the Option shares of Stock having a Fair Market Value on the date of withholding equal to the minimum amount (and not any greater amount) required to be withheld for
tax purposes, all in accordance with such procedures as the Committee establishes. 
         11.4.     NO RIGHT TO EMPLOYMENT OR OTHER STATUS.   Nothing in the Plan or any Option Agreement shall interfere with or limit in any way the right of the
Corporation or any Parent or Subsidiary to terminate any Participant’s employment or status as an officer, consultant, Producer or director at any time, nor confer upon any Participant any right to continue as an employee, officer, consultant,
Producer or director of the Corporation or any Parent or Subsidiary. 
         l1.5.     UNFUNDED STATUS OF AWARDS.   The Plan is intended to be an “unfunded” plan for incentive and deferred compensation. With respect to any
payments not yet made to a Participant pursuant to an Option, nothing contained in the Plan or any Option Agreement shall give the Participant any rights that are greater than those of a general creditor of the Corporation or any Parent or
Subsidiary. 
         11.6.     RELATIONSHIP TO OTHER
BENEFITS.   No payment under the Plan shall be taken into account in determining any benefits under any pension, retirement, savings, profit sharing, group insurance, welfare or benefit plan of the Corporation or any Parent or
Subsidiary unless provided otherwise in such other plan. 
         11.7.     EXPENSES.   The expenses of administering the Plan shall be borne by the Corporation and its Parents or Subsidiaries. 
         11.8.     TITLES AND HEADINGS.   The titles and
headings of the Sections in the Plan are for convenience of reference only, and in the event of any conflict, the text of the Plan, rather than such titles or headings, shall control. 
         11.9.     GENDER AND NUMBER.   Except where
otherwise indicated by the context, any masculine term used herein also shall include the feminine; the plural shall include the singular and the singular shall include the plural. 
         11.10.     FRACTIONAL SHARES.   No fractional shares
of Stock shall be issued and the Committee shall determine, in its discretion, whether cash shall be given in lieu of fractional shares or whether such fractional shares shall be eliminated by rounding up. 
         11.11.     GOVERNMENT AND OTHER REGULATIONS.   The
obligation of the Corporation to make payment of awards in Stock or otherwise shall be subject to all 

 
applicable laws, rules, and regulations, and to such approvals by government agencies as may be required. The Corporation shall be under no obligation to
register under the 1933 Act, or any state securities act, any of the shares of Stock issued in connection with the Plan. The shares issued in connection with the Plan may in certain circumstances be exempt from registration under the 1933 Act, and
the Corporation may restrict the transfer of such shares in such manner as it deems advisable to ensure the availability of any such exemption. 
         11.12.     GOVERNING LAW.   To the extent not governed by federal law, the Plan and all Option Agreements shall be construed in
accordance with and governed by the laws of the State of Tennessee. 
         11.13.     ADDITIONAL PROVISIONS.   Each Option Agreement may contain such other terms and conditions as the Committee may determine; provided that such
other terms and conditions are not inconsistent with the provisions of this Plan. 
         The foregoing is hereby acknowledged as being the Unum Group Broad-Based Stock Plan of 2001 as amended by the Board of Directors of the Corporation on February 8, 2001 and as further
amended by the Committee on August 15, 2007. 
  

			
	UNUM GROUP
		
	By:	 	 
		
	Its:

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