Change in Control Agreement between the Company and Jeffrey D. Miller



 Exhibit 10.5 
 EXECUTIVE SUPPLEMENTAL EMPLOYMENT AGREEMENT 
 AGREEMENT by and between HIGHWOODS PROPERTIES, INC., a
Maryland corporation (the “Company”), and Jeffrey D. Miller (the “Executive”), dated as of April 13, 2007. 
 The
Board of Directors of the Company (the “Board”), has determined that it is in the best interests of the Company and its stockholders to ensure that the Company will have the continued dedication of the Executive, notwithstanding the
possibility, threat or occurrence of a Change of Control (as defined in Section 1) of the Company. The Board believes it is imperative to diminish the inevitable distraction of the Executive by virtue of the personal uncertainties and risks
created by a pending or threatened Change of Control and to encourage the Executive’s full attention and dedication to the Company currently and in the event of any threatened or pending Change of Control, and to provide the Executive with
compensation and benefits arrangements upon a Change of Control which ensure that the compensation and benefits expectations of the Executive will be satisfied and which are competitive with those of other corporations. Therefore, in order to
accomplish these objectives, the Board has caused the Company to enter into this Agreement. 
 NOW, THEREFORE, IT IS HEREBY AGREED AS
FOLLOWS: 
 SECTION 1. Certain Definitions. 
 (a) The “Effective Date” shall mean the first date during the Change of Control Period (as defined in Section 1(b)) on which a Change of Control occurs. Anything in this Agreement to the contrary
notwithstanding, if a Change of Control occurs and if the Executive’s employment with the Company is terminated prior to the date on which the Change of Control occurs, and if it is reasonably demonstrated by the Executive that such termination
of employment (i) was at the request of a third party who has taken steps reasonably calculated to effect the Change of Control or (ii) otherwise arose in connection with or anticipation of the Change of Control, then for all purposes of
this Agreement the “Effective Date” shall mean the date immediately prior to the date of such termination of employment. 
 (b) The
“Change of Control Period” shall mean the period commencing on the date hereof and ending on the third anniversary of such date; provided, however, that commencing on the date one year after the date hereof, and on each annual anniversary
of such date (such date and each annual anniversary thereof shall be hereinafter referred to as the “Renewal Date”), the Change of Control Period shall be automatically extended so as to terminate three years from such Renewal Date, unless
at least 60 days prior to the Renewal Date the Company shall give notice to the Executive that the Change of Control Period shall not be so extended. 
  

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 (c) For purposes of this Agreement, a “Change of Control” shall mean: 
 (i) The acquisition by any individual, entity or group (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange
Act of 1934, as amended (the “Exchange Act”)) (a “Person”) of beneficial ownership (within the meaning of Rule 13d-3 promulgated under the Exchange Act) of 20% or more of either (a) the then outstanding shares of common
stock of the Company (the “Outstanding Company Common Stock”) or (b) the combined voting power of the then outstanding voting securities of the Company entitled to vote generally in the election of directors (the “Outstanding
Company Voting Securities”); provided, however, that the following acquisitions shall not constitute a Change of Control: (I) any acquisition directly from the Company (excluding an acquisition by virtue of the exercise of a conversion
privilege), (II) any acquisition by the Company, (III) any acquisition by any employee benefit plan (or related trust) sponsored or maintained by the Company or any corporation controlled by the Company or (IV) any acquisition by any corporation
pursuant to a reorganization, merger or consolidation, if, following such reorganization, merger or consolidation, the conditions described in clauses (I), (II) and (III) of subsection (i) of this Section 1(c) are satisfied; or 

(ii) Individuals who, as of the date hereof, constitute the Board (the “Incumbent Board”) cease for any reason to constitute
at least a majority of the Board; provided, however, that any individual becoming a director subsequent to the date hereof whose election, or nomination for election by the Company’s stockholders, was approved by a vote of at least a majority
of the directors then comprising the Incumbent Board shall be considered as though such individual were a member of the Incumbent Board, but excluding, for this purpose, any such individual whose initial assumption of office occurs as a result of
either an actual or threatened election contest (as such terms are used in Rule 14a-11 of Regulation 14A promulgated under the Exchange Act) or other actual or threatened solicitation of proxies or consents by or on behalf of a Person other than the
Board; or 
 (iii) Approval by the stockholders of the Company of a reorganization, merger or consolidation, in each case,
unless, following such reorganization, merger or consolidation, (a) more than 60% of, respectively, the then outstanding shares of common stock of the corporation resulting from such reorganization, merger or consolidation and the combined
voting power of the then outstanding voting securities of such corporation entitled to vote generally in the election of directors is then beneficially owned, directly or indirectly, by all or substantially all of the individuals and entities who
were the beneficial owners, respectively, of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately prior to such reorganization, merger or consolidation in substantially the same proportions, as their ownership,
immediately prior to such reorganization, merger or consolidation, of the Outstanding Company Common Stock and Outstanding Company Voting Securities, as the case may be, (b) no Person (excluding the Company, any employee benefit plan (or
related trust) of the Company or such corporation resulting from such reorganization, merger or consolidation and any Person beneficially owning, immediately prior to such reorganization, merger or consolidation, directly or indirectly, 20% or more
of the Outstanding Company Common Stock or Outstanding Voting Securities, as the case may be) beneficially owns, directly or indirectly, 20% or more of, respectively, the then 

  

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outstanding shares of common stock of the corporation resulting from such reorganization, merger or consolidation or the combined voting power of the then
outstanding voting securities of such corporation entitled to vote generally in the election of directors and (c) at least a majority of the members of the board of directors of the corporation resulting from such reorganization, merger or
consolidation were members of the Incumbent Board at the time of the execution of the initial agreement providing for such reorganization, merger or consolidation; or 
 (iv) Approval by the stockholders of the Company of (a) a complete liquidation or dissolution of the Company or (b) the sale or
other disposition of all or substantially all of the assets of the Company, other than to a corporation, with respect to which following such sale or other disposition, (I) more than 60% of, respectively, the then outstanding shares of common
stock of such corporation and the combined voting power of the then outstanding voting securities of such corporation entitled to vote generally in the election of directors is then beneficially owned, directly or indirectly, by all or substantially
all of the individuals and entities who were the beneficial owners, respectively, of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately prior to such sale or other disposition in substantially the same
proportion as their ownership, immediately prior to such sale or other disposition, of the Outstanding Company Common Stock and Outstanding Company Voting Securities, as the case may be, (II) no Person (excluding the Company and any employee benefit
plan (or related trust) of the Company or such corporation and any Person beneficially owning, immediately prior to such sale or other disposition, directly or indirectly, 20% or more of the Outstanding Company Common Stock or Outstanding Company
Voting Securities, as the case may be) beneficially owns, directly or indirectly, 20% or more of, respectively, the then outstanding shares of common stock of such corporation and the combined voting power of the then outstanding voting securities
of such corporation entitled to vote generally in the election of directors and (III) at least a majority of the members of the board of directors of such corporation were members of the Incumbent Board at the time of the execution of the initial
agreement or action of the Board providing for such sale or other disposition of assets of the Company. 
 SECTION 2. Employment
Period. The term of this Agreement shall commence on the Effective Date and end on the third anniversary of such date (the “Employment Period”), subject to the termination provisions in Sections 4 and 5 herein. 
 SECTION 3. Terms of Employment. 
 (a)
Position and Duties. 
 (i) During the Employment Period, (A) the Executive’s position (including status,
offices, titles and reporting requirements), authority, duties and responsibilities shall be at least commensurate in all material respects with the most significant of those held, exercised and assigned at any time during the 90-day period
immediately preceding the Effective Date and (B) the Executive’s services shall be performed at the location where the Executive was employed immediately preceding the Effective Date or any office which is the headquarters of the Company
and is less than 35 miles from such location. 
  

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 (ii) During the Employment Period, and excluding any periods of vacation and sick leave
to which the Executive is entitled, the Executive agrees to devote reasonable attention and time during normal business hours to the business and affairs of the Company and, to the extent necessary to discharge the responsibilities assigned to the
Executive hereunder, to use the Executive’s reasonable best efforts to perform faithfully and efficiently such responsibilities. During the Employment Period, it shall not be a violation of this Agreement for the Executive to (A) serve on
corporate, civic or charitable boards or committees, (B) deliver lectures, fulfill speaking engagements or teach at educational institutions and (C) manage personal investments, so long as such activities do not significantly interfere
with the performance of the Executive’s responsibilities as an employee of the Company in accordance with this Agreement. It is expressly understood and agreed that to the extent that any such activities have been conducted by the Executive
prior to the Effective Date, the continued conduct of such activities (or the conduct of activities similar in nature and scope thereto) subsequent to the Effective Date shall not hereafter be deemed to interfere with the performance of the
Executive’s responsibilities to the Company. 
 (b) Compensation. 
 (i) Base Salary. During the Employment Period, the Executive shall receive an annual base salary (“Annual Base Salary”),
which shall be paid in equal installments on a monthly basis, at least equal to twelve times the highest monthly base salary paid or payable to the Executive by the Company and its affiliated companies in respect of the twelve-month period
immediately preceding the month in which the Effective Date occurs. During the Employment Period, the Annual Base Salary shall be reviewed at least annually and shall be increased at any time and from time to time as shall be substantially
consistent with increases in base salary generally awarded in the ordinary course of business to other peer executives of the Company and its affiliated companies. Any increase in Annual Base Salary shall not serve to limit or reduce any other
obligation to the Executive under this Agreement. Annual Base Salary shall not be reduced after any such increase and the term Annual Base Salary as utilized in this Agreement shall refer to Annual Base Salary as so increased. As used in this
Agreement, the term “affiliated companies” shall include any company controlled by, controlling or under common control with the Company. 
 (ii) Annual Bonus. In addition to Annual Base Salary, the Executive shall be awarded, for each fiscal year ending during the Employment Period, an annual bonus (the “Annual Bonus”) in cash at least
equal to the average bonus paid or payable, including by reason of any deferral, to the Executive (or, if the Executive has been employed by the Company for less than three full fiscal years, then the average bonus paid or payable to the executive
officer who was employed by the Company in a similar capacity as the Executive during such three full fiscal years) by the Company and its affiliated companies in respect of the three fiscal years immediately preceding the fiscal year in which the
Effective Date occurs (the “Recent Average Bonus”). Without limitation, for purposes of this Agreement, 

  

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the terms “Annual Bonus” and “Recent Average Bonus” shall be deemed to include amounts earned (whether or not paid) with respect to any
applicable period under any Non-Equity Incentive Plan (as such term is defined in Item 402(a)(6)(iii) of Regulation S-K promulgated under the Exchange Act and the Securities Act of 1933, as amended, including any successor thereto). Each such
Annual Bonus shall be paid within 2  1/2 months following the fiscal year for which the Annual Bonus is awarded,
unless the Executive shall elect, pursuant to a plan of nonqualified deferred compensation adopted by the Company, if any, under which the Annual Bonus may be deferred, to defer the receipt of such Annual Bonus. 
 (iii) Special Bonus. In addition to Annual Base Salary and Annual Bonus payable as hereinabove provided, if the Executive remains
employed with the Company and its affiliated companies through the first anniversary of the Effective Date, the Company shall pay to the Executive a special bonus (the “Special Bonus”) in recognition of the Executive’s services during
the crucial one-year transition period following the Change of Control in cash equal to the sum of (A) the Executive’s Annual Base Salary and (B) the greater of (1) the Annual Bonus paid or payable, including by reason of any
deferral, to the Executive (or, if the Executive has been employed by the Company for less than three full fiscal years, then the average bonus paid or payable to the executive officer who was employed by the Company in a similar capacity as the
Executive during such three full fiscal years) for the most recently completed fiscal year during the Employment Period, if any, and (2) the Recent Average Bonus (such greater amount shall be hereinafter referred to as the “Highest Annual
Bonus”). The Special Bonus shall be paid no later than 30 days following the first anniversary of the Effective Date. 
 (iv) Incentive, Savings and Retirement Plans. During the Employment Period, the Executive shall be entitled to participate in all incentive, savings and retirement plans, practices, policies and programs applicable generally to other
peer executives of the Company and its affiliated companies, but in no event shall such plans, practices, policies and programs provide the Executive with incentive opportunities (measured with respect to both regular and special incentive
opportunities, to the extent, if any, that such distinction is applicable), savings opportunities and retirement benefit opportunities, in each case, less favorable, in the aggregate, than the most favorable of those provided by the Company and its
affiliated companies for the Executive under such plans, practices, policies and programs as in effect at any time during the 90-day period immediately preceding the Effective Date or if more favorable to the Executive, those provided generally at
any time after the Effective Date to other peer executives of the Company and its affiliated companies. 
 (v) Welfare
Benefit Plans. During the Employment Period, the Executive and/or the Executive’s family, as the case may be, shall be eligible for participation in and shall receive all benefits under welfare benefit plans, practices, policies and
programs provided by the Company and its affiliated companies (including, without limitation, medical, prescription, dental, disability, salary continuance, employee life, group life, accidental death and travel accident insurance plans and
programs) to the extent applicable generally to other peer executives of the Company and its affiliated companies, but in no event shall such plans, practices, policies and programs provide the Executive with benefits 

  

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which are less favorable, in the aggregate, than the most favorable of such plans, practices, policies and programs in effect for the Executive at any time
during the 90-day period immediately preceding the Effective Date or, if more favorable to the Executive, those provided generally at any time after the Effective Date to other peer executives of the Company and its affiliated companies. 

(vi) Expenses. During the Employment Period, the Executive shall be entitled to receive prompt reimbursement for all reasonable
employment expenses incurred by the Executive in accordance with the most favorable policies, practices and procedures of the Company and its affiliated companies in effect for the Executive at any time during the 90-day period immediately preceding
the Effective Date, or, if more favorable to the Executive, as in effect generally at any time thereafter with respect to other peer executives of the Company and its affiliated companies. 
 (vii) Fringe Benefits. During the Employment Period, the Executive shall be entitled to fringe benefits no less favorable, in the
aggregate, than the plans, practices, programs and policies of the Company and its affiliated companies in effect for the Executive at any time during the 90-day period immediately preceding the Effective Date, or if more favorable to the Executive,
as in effect generally at any time thereafter with respect to other peer executives of the Company and its affiliated companies. 
 (viii) Office and Support Staff. During the Employment Period, the Executive shall be entitled to an office or offices of a size and with furnishings and other appointments, and to exclusive personal secretarial and other assistance,
at least equal to the most favorable of the foregoing provided to the Executive by the Company and its affiliated companies at any time during the 90-day period immediately preceding the Effective Date or, if more favorable to the Executive, as
provided generally at any time thereafter with respect to other peer executives of the Company and its affiliated companies. 
 (ix) Vacation. During the Employment Period, the Executive shall be entitled to paid vacation in accordance with the most favorable plans, policies, programs and practices of the Company and its affiliated companies as in effect for
the Executive at any time during the 90-day period immediately preceding the Effective Date or, if more favorable to the Executive, as in effect generally at any time thereafter with respect to other peer executives of the Company and its affiliated
companies. 
 SECTION 4. Termination of Employment. 
 (a) Death or Disability. The Executive’s employment shall terminate automatically upon the Executive’s death during the Employment Period. If the Company determines in good faith that the Disability
of the Executive has occurred during the Employment Period (pursuant to the definition of Disability set forth below), it may give to the Executive written notice in accordance with Section 10(b) 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 

  

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“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 Executive is, 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 12 months, receiving income replacement benefits for a period of not less than 3 months under an accident and health plan covering employees of the Company. 
 (b) Cause. The Company may terminate the Executive’s employment during the Employment Period for Cause. For purposes of this Agreement,
“Cause” occurs when the Executive does any of the following: 
 (i) is convicted of a felony involving moral
turpitude under federal, state or local law; 
 (ii) materially breaches the Executive’s obligations under
Section 3(a) (other than as a result of incapacity due to physical or mental illness) that is demonstrably willful and deliberate on the Executive’s part, that is committed in bad faith or without reasonable belief that such breach is in
the best interests of the Company and that is not remedied in a reasonable period of time after receipt of written notice from the Company specifying such breach); and/or 
 (iii) is convicted of any applicable local, state or federal law or Company policy related to discrimination or harassment. 
 (c) Good Reason; Window Period. The Executive’s employment may be terminated (i) during the Employment Period by the Executive for Good
Reason or (ii) during the Window Period by the Executive without any reason. For purposes of this Agreement, the “Window Period” shall mean the 90-day period immediately following the first anniversary of the Effective Date. For
purposes of this Agreement, “Good Reason” shall mean: 
 (i) the assignment to the Executive of any duties
inconsistent in any respect with the Executive’s position (including status, offices, titles and reporting requirement), authority, duties or responsibilities as contemplated by Section 3(a) or any other action by the Company which results
in a diminution in such position, authority, duties or responsibilities, excluding for this purpose an isolated, insubstantial and inadvertent action not taken in bad faith and which is remedied by the Company promptly after receipt of notice
thereof given by the Executive; 
 (ii) any failure by the Company to comply with any of the provisions of Section 3(b),
other than an isolated, insubstantial and inadvertent failure not occurring in bad faith and which is remedied by the Company promptly after receipt of notice thereof given by the Executive; 
  

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 (iii) the Company’s requiring the Executive to be based at any office or location
other than that described in Section 3(a) (i) (B); 
 (iv) any purported termination by the Company of the
Executive’s employment otherwise than as expressly permitted by this Agreement; or 
 (v) any failure by the Company to
comply with and satisfy Section 9(c), provided that such successor has received at least ten days’ prior written notice from the Company or the Executive of the requirements of Section 9(c). 
 For purposes of this Section 4(c), any good faith determination of “Good Reason” made by the Executive shall be conclusive. 
 (d) Notice of Termination. Any termination by the Company for Cause, or by the Executive without any reason during the Window Period or for Good
Reason, shall be communicated by Notice of Termination to the other party hereto given in accordance with Section 10(b). 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 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 hereunder or preclude the Executive or the Company from asserting such fact or
circumstance in enforcing the Executive’s or the Company’s rights hereunder. 
 (e) Date of Termination. “Date of
Termination” means (i) if the Executive’s employment is terminated by the Company for Cause, or by the Executive during the Window Period or for Good Reason, the date of receipt of the Notice of Termination or any later date specified
therein, as the case may be, (ii) if the Executive’s employment is terminated by the Company other than for Cause or Disability, the Date of Termination shall be the date on which the Company notifies the Executive of such termination and
(iii) if the Executive’s employment is terminated by reason of death or Disability, the Date of Termination shall be the date of death of the Executive or the Disability Effective Date, as the case may be. 
  

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 SECTION 5. Obligations of the Company upon Termination. 
 (a) Good Reason or during the Window Period; Other than for Cause, Death or Disability. If, during the Employment Period, the Company shall
terminate the Executive’s employment other than for Cause or Disability or the Executive shall terminate employment either for Good Reason or without any reason during the Window Period: 
 (i) the Company shall pay to the Executive in a lump sum in cash within 30 days after the Date of Termination the aggregate of the
following amounts: 
 (A) the sum of (1) the Executive’s Annual Base Salary through the Date of Termination to the
extent not theretofore paid, (2) the product of (x) the Highest Annual Bonus and (y) a fraction, the numerator of which is the number of days in the current fiscal year through the Date of Termination, and the denominator of which is
365 and (3) the Special Bonus, if due to the Executive pursuant to Section 3(b)(iii), to the extent not theretofore paid, (4) any compensation previously deferred by the Executive (together with any accrued interest or earnings
thereon) that is payable upon termination of employment pursuant to the applicable deferred compensation plan and (5) any accrued vacation pay, in each case to the extent not theretofore paid (the sum of the amounts described in clauses (1),
(2), (3), (4) and (5) shall be hereinafter referred to as the “Accrued Obligations”); and 
 (B) the
amount (such amount shall be hereinafter referred to as the “Severance Amount”) equal to the product of (1) 2.99 and (2) the sum of (x) the Executive’s Annual Base Salary and (y) the Highest Annual Bonus; provided,
however, that if the Special Bonus has not been paid to the Executive, such amount shall be increased by the amount of the Special Bonus; and, provided further, that such amount shall be reduced by the present value (determined as provided in
Section 280G(d)(4) of the Internal Revenue Code of 1986, as amended (the “Code”)) of any other amount of severance relating to salary or bonus continuation to be received by the Executive upon termination of employment of the
Executive under any severance plan, policy or arrangement of the Company; and 
 (C) a separate lump-sum supplemental
retirement benefit (the amount of such benefit shall be hereinafter referred to as the “Supplemental Retirement Amount”) equal to the difference between (1) the actuarial equivalent (utilizing for this purpose the actuarial
assumptions utilized with respect to the Company’s Retirement Plan (or any successor plan thereto) (the “Retirement Plan”) during the 90-day period immediately preceding the Effective Date) of the benefit payable under the Retirement
Plan and any supplemental and/or excess retirement plan of the Company and its affiliated companies providing benefits for the Executive (the “SERP”) which the Executive would receive if the Executive’s employment continued at the
compensation level provided for in Sections 3(b)(i) and 3(b)(ii) for the remainder of the Employment Period, assuming for this purpose that all accrued benefits are fully vested and that benefit accrual formulas are no less advantageous to the
Executive than those in effect during the 90-day period immediately preceding the Effective Date, and (2) the actuarial equivalent (utilizing for this purpose the actuarial assumptions utilized with respect to the Retirement Plan during the
90-day period immediately preceding the Effective Date) of the Executive’s actual benefit (paid or payable), if any, under the Retirement Plan and the SERP; and 
 (ii) for the remainder of the Employment Period, or such longer period as any plan, program, practice or policy may provide, the Company
shall continue benefits other than health and dental benefits to the Executive and/or the Executive’s family at least equal in the aggregate to those which would have been provided to them in accordance with the plans, 

  

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programs, practices and policies described in Section 3(b)(v) if the Executive’s employment had not been terminated (such continuation of benefits
and the continuation of health and dental benefits pursuant to Section 5(a)(iii), in each case for the applicable period set forth, shall be hereinafter referred to as “Welfare Benefit Continuation”); and 
 (iii) for the remainder of the Employment Period, the Company shall provide health and dental benefits for the Executive (and the
Executive’s spouse and dependents if desired by the Executive and if the spouse does not have any health benefits through a current or former employer), at least equal in the aggregate to those which would have been provided to them in
accordance with the plans, programs, practices and policies described in Section 3(b)(v) if the Executive’s employment had not been terminated, and for the same cost to Employee that would have applied under Section 3(b)(v) if the
Executive’s employment had not been terminated. If the Executive becomes re-employed with another employer and is eligible to receive health and dental benefits under another employer-provided plan, the health and dental benefits described
herein shall be secondary to those provided under such other plan. For purposes of determining eligibility of the Executive for retiree benefits pursuant to such plans, practices, programs and policies, the Executive shall be considered to have
remained employed until the end of the Employment Period and to have retired on the last day of such period. Such benefits may be provided through a group health plan or through one or more individual insurance policies. The Company shall pay to the
Executive a payment (a “Benefits Gross Up Payment”) in an amount equal to all taxes, including, without limitation, any income taxes (including any interest or penalties imposed with respect to such taxes) imposed upon any coverage and
benefits provided pursuant to this Section 5(a)(iii) and imposed upon the Benefits Gross Up Payment. 
 (iv) to the
extent not theretofore paid or provided, the Company shall timely pay or provide to the Executive and/or the Executive’s family any other amounts or benefits required to be paid or provided or which the Executive and/or the Executive’s
family is eligible to receive pursuant to this Agreement and under any plan, program, policy or practice or contract or agreement of the Company and its affiliated companies as in effect and applicable generally to other peer executives of the
Company and its affiliated companies and their families during the 90-day period immediately preceding the Effective Date or, if more favorable to the Executive, as in effect generally thereafter with respect to other peer executives of the Company
and its affiliated companies and their families (such other amounts and benefits shall be hereinafter referred to as the “Other Benefits”). 
 (v) to the extent not otherwise provided for herein, all options, warrants or other rights to acquire capital stock of the Company held by or for the benefit of the Executive shall become fully vested and eligible for
immediate exercise and all other rights of the Executive to receive cash compensation whether deferred or not (including benefits under any Stock Appreciation Rights Plan or other similar plan) shall become fully vested and the Executive shall
become entitled to payment thereof by the Company in a lump sum in cash within 30 days after the Date of Termination. 
  

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 (vi) Delay in Payments to
Specified Employee. Notwithstanding the foregoing, if the Executive is a “specified employee” within the meaning of Section 409A(a)(2)(B)(i) at the time of termination of employment, no payment pursuant to Section 5(a) of
this Agreement shall be made for six months following the date of termination, and to the extent that a benefit to be provided pursuant to Section 5(a) of this Agreement would be considered to be deferred compensation subject to
Section 409A, such benefit shall not be provided for six months following the date of termination. Any payments or benefits that are delayed pursuant to this Section 5(a)(vi) shall be accumulated and paid or provided (together with
compounded interest thereon at a rate equal to the greater of 6% or the Prime Rate in effect during such six-month period) on the 1st day of the seventh month following the termination of employment. 
 (b) Death. If the Executive’s employment is
terminated by reason of the Executive’s death during the Employment Period, this Agreement shall terminate without further obligations to the Executive’s legal representatives under this Agreement, other than for (i) payment of
Accrued Obligations (which shall be paid to the Executive’s estate or beneficiary, as applicable, in a lump sum in cash within 30 days of the Date of Termination) and the timely payment or provision of the Welfare Benefit Continuation and Other
Benefits (excluding, in each case, Death Benefits (as defined below)) and (ii) payment to the Executive’s estate or beneficiary, as applicable, in a lump sum in cash within 30 days of the Date of Termination of an amount equal to the
greater of (A) the sum of the Severance Amount and the Supplemental Retirement Amount and (B) the present value (determined as provided in Section 280G(d)(4) of the Code) of any cash amount to be received by the Executive or the
Executive’s family as a death benefit pursuant to the terms of any plan, policy or arrangement of the Company and its affiliated companies, but not including any proceeds of life insurance covering the Executive to the extent paid for directly
or on a contributory basis by the Executive (which shall be paid in any event as an Other Benefit) (the benefits included in this clause (B) shall be hereinafter referred to as the “Death Benefits”). 
 (c) Disability. If the Executive’s employment is terminated by reason of the Executive’s Disability during the Employment Period, this
Agreement shall terminate without further obligations to the Executive, other than for (i) payment of Accrued Obligations (which shall be paid to the Executive in a lump sum in cash within 30 days of the Date of Termination) and the timely
payment or provision of the Welfare Benefit Continuation and Other Benefits (excluding, in each case, Disability Benefits, as defined below) and (ii) payment to the Executive in a lump sum in cash within 30 days of the Date of Termination of an
amount equal to the greater of (A) the sum of the Severance Amount and the Supplemental Retirement Amount and (B) the present value (determined as provided in Section 280G(d)(4) of the Code) of any cash amount to be received by the
Executive as a disability benefit pursuant to the terms of any plan, policy or arrangement of the Company and its affiliated companies, but not including any proceeds of disability insurance covering the Executive to the extent paid for directly or
on a contributory basis by the Executive (which shall be paid in any event as an Other Benefit) (the benefits included in this clause (B) shall be hereinafter referred to as the “Disability Benefits”). 
  

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 (d) Cause; Other than for Good Reason. If the Executive’s employment shall be terminated for
Cause during the Employment Period, this Agreement shall terminate without further obligations to the Executive other than the obligation to pay to the Executive Annual Base Salary through the Date of Termination plus the amount of any compensation
previously deferred by the Executive, in each case to the extent theretofore unpaid. If the Executive terminates employment during the Employment Period, excluding a termination either for Good Reason or without any reason during the Window Period,
this Agreement shall terminate without further obligations to the Executive, other than for Accrued Obligations and the timely payment or provision of Other Benefits. In such case, all Accrued Obligations shall be paid to the Executive in a lump sum
in cash within 30 days of the Date of Termination. 
 (e) Non-exclusivity of Rights. Except as provided in Sections 5(a)(ii), 5(b) and
5(c), 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 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 of 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. 
 SECTION 6. Full Settlement;
Resolution of Disputes. 
 (a) 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, except as provided in Section 5(a)(ii), such amounts shall not be reduced whether or not the
Executive obtains other employment. The Company agrees to pay promptly as incurred, 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) by the Company, the Executive or others of 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), 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. 
 (b) If there shall be any dispute between the Company and the Executive (i) in the event of any termination of the Executive’s employment by
the Company, whether such 

  

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termination was for Cause, or (ii) in the event of any termination of employment by the Executive, whether Good Reason existed, then, unless and until
there is a final, nonappealable judgment by a court of competent jurisdiction declaring that such termination was for Cause or that the determination by the Executive of the existence of Good Reason was not made in good faith, the Company shall pay
all amounts, and provide all benefits, to the Executive and/or the Executive’s family or other beneficiaries, as the case may be, that the Company would be required to pay or provide pursuant to Section 5(a) as though such termination were
by the Company without Cause, or by the Executive with Good Reason; provided, however, that the Company shall not be required to pay any disputed amount pursuant to this paragraph except upon receipt of an undertaking by or on behalf of the
Executive to repay all such amounts to which the Executive is ultimately adjudged by such court not to be entitled. If the Executive has maintained his or her position in the dispute in good faith (in the sole opinion of the court, which for this
purpose shall include any mediator or arbitrator, if the dispute is settled through mediation or arbitration), the Company shall reimburse the Executive for any attorneys’ fees and expenses incurred by the Executive with respect to such dispute
related to this Agreement, and including any actions taken by either party to appeal or enforce the judgment rendered therein. Such reimbursement shall be made by direct payment to the Executive upon delivery to the Company of valid invoices and/or
receipts relating to such attorneys’ fees and expenses. 
 SECTION 7. Certain Additional Payments by the Company. 
 (a) Anything in this Agreement to the contrary notwithstanding, 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 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”), 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, the Executive retains an amount of the Gross-Up Payment equal to the
Excise Tax imposed upon the Payments. 
 (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 registered public accounting firm
selected by the Company in its sole and absolute discretion (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 effecting the Change of Control, the
Executive 

  

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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 Gross-Up Payment, as determined pursuant to this Section 7, shall be paid by the Company to the Executive within five days of
the receipt of the Accounting Firm’s determination, subject to delay as provided in Section 5(a)(vi) . If the Accounting Firm determines that no Excise Tax is payable by the Executive, it shall furnish the Executive with a written opinion
that failure to report the Excise Tax on the Executive’s applicable federal income tax return would not result in the imposition of a negligence or similar penalty. 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 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 ten 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 it 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; 
  

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 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 option, may pursue or forgo
any and all administrative appeals, proceedings, hearings and conferences with the taxing authority in respect of such claim and may, at its sole option, either direct the Executive to pay the tax claimed and 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 advance the amount of such payment to the Executive, on an interest-free basis and shall indemnify and hold the Executive harmless, on an
after-tax basis, from any Excise Tax or income tax (including interest or penalties with respect thereto) imposed with respect to such advance or with respect to any imputed income with respect to such advance; and further provided 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 advanced by the Company 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)) promptly pay to the Company the amount of
such refund (together with any interest paid or credited thereon after taxes applicable thereto). If, after the receipt by the Executive of an amount advanced by the Company 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 advance
shall be forgiven and shall not be required to be repaid and the amount of such advance shall offset, to the extent thereof, the amount of Gross-Up Payment required to be paid. 
 SECTION 8. Confidential Information. The Executive shall hold in a fiduciary capacity for the benefit of the Company all secret or confidential
information, knowledge or data relating to the Company or any of its affiliated companies, and their respective businesses, which shall have been obtained by the Executive during the Executive’s employment by the Company or any of its
affiliated companies and which shall not be or become public knowledge (other than by acts by the Executive or representatives of the Executive in violation of this Agreement). After termination of the Executive’s employment with the Company,
the Executive shall not, without the prior written consent of the Company 

  

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or as may otherwise be required by law or legal process, communicate or divulge any such information, knowledge or data to anyone other than the Company and
those designated by it. 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. 
 SECTION 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. 
 SECTION 10. Miscellaneous. 
 (a) This Agreement shall be governed by and construed in accordance with the laws of the State of North Carolina, 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:	  	 Highwoods Properties, Inc.
 3100 Smoketree Court,
Suite 600
 Raleigh, North Carolina 27604-1051
 Attention: Jeffrey
D. Miller

		
	If to the Company:	  	 Highwoods Properties, Inc.
 3100 Smoketree Court,
Suite 600
 Raleigh, North Carolina 27604-1051
 Attention:
Chairman of the Board of Directors


  

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 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 or local 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 hereof or any other 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 4(c)(i)-(v), shall not be deemed to be a waiver of such provision or right or any other provision
or right of this Agreement. 
 (f) The Executive and the Company acknowledge that, except as may otherwise be provided under any other
written agreement between the Executive and the Company, the employment of the Executive by the Company is “at will” and, prior to the Effective Date, may be terminated by either the Executive or the Company at any time. Moreover, if prior
to the Effective Date, the Executive’s employment with the Company terminates, then the Executive shall have no further rights under this Agreement. 
  

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 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 this Agreement to be executed in its name on its behalf, all as of the day and year first above written. 
  

	
	EXECUTIVE:
	
	/s/ Jeffrey D. Miller
	Jeffrey D. Miller


  

			
	HIGHWOODS PROPERTIES, INC.
		
	By:	 	/s/ Edward J. Fritsch
		
	Name:	 	Edward J. Fritsch
		
	Title:	 	President and CEO


  

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