Document:

Amended and Restated 2004 Nonemployee Director Equity and Deferred Compensation

 Exhibit 10.1 
 SUN HYDRAULICS CORPORATION 
 AMENDED AND RESTATED 2004 NONEMPLOYEE DIRECTOR EQUITY 

AND DEFERRED COMPENSATION PLAN 
 ARTICLE I. DEFINITIONS 
 1.1 DEFINITIONS. Whenever the following terms are used in this Plan they shall have the meanings specified
below unless the context clearly indicates to the contrary: 
 (a) “Accounting Date”: The last day of each fiscal year and the last
day of any fiscal quarter. 
 (b) “Accounting Period”: The period beginning on the day immediately following an Accounting Date and
ending on the next following Accounting Date. 
 (c) “Administrator”: The Board. 
 (d) “Beneficiary”: The person or persons (natural or otherwise) designated pursuant to Section 7.6. 
 (e) “Board”: The Board of Directors of the Company. 
 (f) “Code”: The Internal Revenue Code of 1986, as amended. 
 (g) “Common Stock”: The
Company’s Common Stock, par value $.001 per share. 
 (h) “Common Stock Unit”: A bookkeeping entry that records the equivalent
of one Share pursuant to Section 5.2. 
 (i) “Company”: Sun Hydraulics Corporation or any successor or successors thereto.

 (j) “Deferral Commitment”: An agreement made by a Nonemployee Director in a Participation Agreement to have a specified portion
of his or her Share Compensation and/or Fees deferred under the Plan for a specified period in the future. 
 (k) “Deferral
Period”: The Plan Year for which a Director has elected to defer a portion of his or her Share Compensation and/or Fees. 
 (l)
“Deferred Account”: The account maintained for each Nonemployee Director who elects to defer Share Compensation and/or Fees under Article V. 
 (m) “Deferred Account Balance”: The balance of a Nonemployee Director’s Deferred Account as specified in Section 5.3. 
 (n) “Fair Market Value”: With respect to a share of Common Stock, the average of the high and low selling prices of a share of Common Stock as reported through the Nasdaq Stock Market (or any other exchange
or over-the-counter market if sales of the Common Stock are no longer reported through the Nasdaq Stock Market) for a particular date, or if there was no sale of Common Stock so reported for such day, on the most recently preceding day on which
there was such a sale. 

 (o) “Fees”: The portion of the compensation payable to Nonemployee Directors in cash for
service as a director of the Company (including compensation for attendance at meetings of the Board and Board committees). 
 (p)
“Nonemployee Director”: An individual duly elected or chosen as a Director of the Company who is not also an employee of the Company or its subsidiaries. 
 (q) “Participation Agreement”: The agreement submitted by a Nonemployee Director to the Administrator in which a Nonemployee Director may specify a Voluntary Amount, or may elect to defer receipt of a
portion of his or her Share Compensation and/or Fees for a specified period in the future. 
 (r) “Payment Date”: The date on which
Director Fees are payable as such dates are established by the Board from time to time. Initially, Director Fees shall be payable at the conclusion of each Board and Board committee meeting. 
 (s) “Plan”: The Plan set forth in this instrument as it may, from time to time, be amended. 
 (t) “Plan Year”: The 12-month period beginning January 1 through December 31. 
 (u) “Rule 16b-3”: Rule 16b-3 promulgated under the Securities Exchange of 1934 (or any successor rule to the same effect), as in effect from to
time. 
 (v) “Settlement Date”: The date on which a Nonemployee Director terminates his or her service as a Director of the
Company. Settlement Date shall also include with respect to any Deferral Period the date prior to the date of termination as a Director selected by a Nonemployee Director in a Participation Agreement for distribution of all or a portion of the Share
Compensation and/or Fees deferred during such Deferral Period as provided in Section 7.3. 
 (w) “Share Compensation”: Shares
payable to a Nonemployee Director for attendance at a Board or committee meeting pursuant to Section 3.1. 
 (x) “Shares”:
Fully paid, non-assessable shares of Common Stock. Shares may be shares of original issuance or treasury shares or a combination of the foregoing. 
 (y) “Trust”: The meaning set forth in Section 6.2. 
 (z) “Voluntary Amount”: The meaning set forth in
Section 3.2(a). 
 ARTICLE II. PURPOSE 
 2.1 PURPOSE. The purpose of this Plan is to secure for the Company and its shareholders the benefits of the incentive inherent in increased ownership of Common Stock of the Company by members of the Board of Directors
of the Company who are not employees of the Company or any of its Subsidiaries, by providing for the payment of a portion of each Nonemployee Director’s Fees in shares of Common Stock or Common Stock Units, and permitting each Nonemployee
Director to receive some or all of the remainder of his or her Fees in shares of Common Stock or Common Stock Units. It is expected that such ownership will further align the interests of such Nonemployee Directors with the shareholders of the
Company, thereby promoting the long-term profits and growth of the Company, and will encourage such Nonemployee Directors to remain directors of the Company and provide them an opportunity to defer the receipt of some or all of such Fees. It is also
expected that the Plan will encourage qualified persons to become directors of the Company. 
  

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 ARTICLE III. AUTOMATIC AND VOLUNTARY SHARE COMPENSATION AMOUNTS 
 3.1 AUTOMATIC AMOUNT. 
 (a) As compensation
for the attendance of each Nonemployee Director at each meeting of the Board, and each meeting of each committee of the Board on which such Nonemployee Director serves when the committee meeting is not held within one day of a meeting of the Board,
each Nonemployee Director shall be paid Shares with a Fair Market Value of Two Thousand Five Hundred Dollars ($2,500.00). 
 (b) ISSUANCE OF
SHARES. Promptly following each Board or committee meeting for which Share Compensation is payable pursuant to Section 3.1(a), the Company shall issue to each Nonemployee Director a number of whole Shares equal to Two Thousand Five Hundred
Dollars ($2,500.00) divided by the Fair Market Value on the date of the meeting. To the extent that the application of the foregoing would result in the issuance of a fractional Share, no fractional Share shall be issued, but instead, the Company
shall maintain a separate noninterest bearing account for such Nonemployee Director, which account shall be credited with the Fair Market Value of such fractional Share as of such meeting date, and which amount shall be combined with similar amounts
so credited to such account with respect to fractional Shares otherwise issuable with respect to the Share Compensation subsequently payable to such Nonemployee Director. When whole Shares are issued by the Company to the Nonemployee Director under
this Section 3.1(b) or Section 3.2(b) below and the amount then in such account is in excess of the Fair Market Value of the Shares then being issued, the Company shall issue an additional Share to such Nonemployee Director and debit such
account by such Fair Market Value. The Nonemployee Director shall hold the Shares issued by the Company under this Plan for a period of six months and one day from the date of the meeting with respect to which such Shares were issued unless the
issuance of such Shares is exempt under Rule 16b-3. The Company shall pay any and all fees and commissions incurred in connection with the payment of Share Compensation to a Nonemployee Director. 
 3.2 VOLUNTARY AMOUNT. 
 (a) ELECTION. For any
Plan Year, a Nonemployee Director may elect to have up to 100% of his or her Fees payable during such Plan Year (the amount so elected referred to as a “Voluntary Amount”) paid by the Company in the form of Shares and in lieu of cash
payment of such Voluntary Amount. For any Plan Year other than the Plan Year in which this Plan is adopted, and with respect to each Nonemployee Director elected to the Board thereafter, for any Plan Year other than the Plan Year in which such
Nonemployee Director is elected, such election shall be made by the execution and delivery to the Administrator of a Participation Agreement, which shall become effective with respect to all Fees payable on Payment Dates occurring more than six
months after the delivery of the Participation Agreement to the Administrator, including Fees payable in all subsequent Plan Years unless such Participation Agreement shall be subsequently modified by the Nonemployee Director upon not less than six
months advance notice to the Administrator. Any modification shall be made through the execution and delivery of a subsequent Participation Agreement, which shall become effective six months after the delivery of the new Participation Agreement to
the Administrator. 
 (b) INITIAL YEAR OF PARTICIPATION. In the event that during the Plan Year in which this Plan is first adopted, a
Nonemployee Director desires to elect to have up to 100% of his or her Fees payable during such Plan Year (the amount so elected referred to as a “Voluntary Amount”) paid by the Company in the form of Shares in lieu of the cash payment of
such Voluntary Amount, or in the event that an individual first becomes a Nonemployee Director during a Plan Year and desires to make such an 

  

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election, a Participation Agreement must be submitted to the Administrator no later than 30 days following the date on which this Plan becomes effective, or
no later than 30 days following the date on which such individual becomes a Nonemployee Director, respectively. Any such election made in such Participation Agreement shall be effective only with regard to Fees earned following the date the
Participation Agreement is submitted to the Administrator. If a Nonemployee Director does not submit a Participation Agreement within such period of time, such Nonemployee Director will not be eligible to elect a Voluntary Amount except in
accordance with Section 3.2(a). 
 (c) ISSUANCE OF SHARES. Promptly following each Payment Date for which a Voluntary Amount has been
elected and is effective, the Company shall issue to each Nonemployee Director a number of whole Shares equal to the Voluntary Amount divided by the Fair Market Value of a Share on the Payment Date. To the extent that the application of the
foregoing would result in the issuance of a fractional Share, no fractional Share shall be issued, but instead, the Company shall maintain a separate noninterest bearing account for such Nonemployee Director (which shall be the same account, if any,
as may be set up under Section 3.1(b) above), which account shall be credited with the Fair Market Value of such fractional Share as of such Payment Date, and which amount shall be combined with similar amounts so credited to such account with
respect to fractional Shares otherwise issuable in the future with respect to the Nonemployee Director’s Voluntary Amount. When whole Shares are issued by the Company to the Nonemployee Director under this Section 3.2(b) or
Section 3.1(b) above and the amount then in such account is in excess of the Fair Market Value of the Shares then being issued, the Company shall issue an additional Share to such Nonemployee Director and debit such account by such Fair Market
Value. The Nonemployee Director shall hold the Shares issued by the Company under this Plan for a period of six months and one day from the date of the meeting with respect to which such Shares were issued. The Company shall pay any and all fees and
commissions incurred in connection with the payment of Voluntary Amounts to a Nonemployee Director. 
 ARTICLE IV. DEFERRAL OF SHARE
COMPENSATION AND/OR FEES 
 4.1 AMOUNT OF DEFERRAL. With respect to each Plan Year, a Nonemployee Director may elect to defer a percentage of
his or her Share Compensation and/or Fees by filing a Participation Agreement with the Administrator prior to the beginning of such Plan Year. A Nonemployee Director may change the percentage of his or her Share Compensation or Fees to be deferred
(or reduce such percentage to zero) by filing a subsequent Participation Agreement with the Administrator. Any such change shall be effective as of the first day of the Plan Year following the Plan Year in which such Participation Agreement is filed
with the Administrator. If the percentage of a Nonemployee Director’s Share Compensation sought to be deferred would result in a fractional Share being deferred, the deferred Share Compensation shall be rounded up to the nearest whole number of
Shares. 
 4.2 INITIAL YEAR OF PARTICIPATION. In the event that an individual first becomes a Nonemployee Director during a Plan Year and, if
any Nonemployee Director during the Plan Year in which this Plan is first adopted, wishes to elect to defer the receipt of any Share Compensation or Fees earned and payable to the individual with respect to such Plan Year (a “Deferral
Election”), a Participation Agreement must be submitted to the Administrator no later than 30 days following the date on which such individual becomes a Nonemployee Director, or no later than 30 days following the date on which this Plan
becomes effective, respectively. Any Deferral Election made in such Participation Agreement shall be effective only with regard to Share Compensation and/or Fees earned following the date the Participation Agreement is submitted to the
Administrator. If a Nonemployee Director does not submit a Participation Agreement within such period of time, such Nonemployee Director will not be eligible to elect to defer Share Compensation and Fees except in accordance with Section 4.1.

  

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 4.3 TERMINATION OF PARTICIPATION. Participation in the Plan shall continue as long as the Nonemployee
Director is eligible to receive benefits under the Plan. 
 4.4 MODIFICATION OF DEFERRAL COMMITMENTS. Subject to Sections 7.3 and 7.6 below,
a Deferral Commitment shall be irrevocable with respect to the Plan Year for which it is made, and for future Plan Years unless modified in accordance with Section 4.1. 
 4.5 WITHHOLDING TAXES. Any withholding of taxes or other amounts with respect to any deferred Share Compensation or Fees which is required by state,
federal or local law shall be withheld from the Nonemployee Director’s non-deferred Fees, or if none, then the Nonemployee Director’s Deferral Commitment shall be reduced by the amount of such withholding. 
 ARTICLE V. NONEMPLOYEE DIRECTORS’ DEFERRED ACCOUNTS 
 5.1 ESTABLISHMENT OF DEFERRED ACCOUNTS. The Company, through its accounting records, shall establish a Deferred Account for each Nonemployee Director. In addition, the Company may establish one or more subaccounts of
a Nonemployee Directors’ Deferred Account, if the Company determines that such subaccounts are necessary or appropriate in administering the Plan. 
 5.2 CREDITING OF DEFERRED SHARE COMPENSATION AND FEES. The portion of a Nonemployee Director’s Share Compensation or Fees that are deferred pursuant to a Deferral Commitment shall be credited to the Nonemployee
Director’s Deferred Account as of the date of the Board or Board committee meeting for which the Share Compensation is payable with respect to Share Compensation and as of the Payment Date of the corresponding non-deferred portion of his or her
Fees with respect to the Voluntary Amount. With respect to the deferred portion of a Nonemployee Director’s Share Compensation, the Deferred Account shall be credited with a number of Common Stock Units equal to the number of whole Shares the
payment of which is being deferred. With respect to the deferred portion of a Nonemployee Director’s Fees, the Deferred Account shall be credited with a number of Common Stock Units determined as described in Section 5.3(b) below. Any
withholding of taxes or other amounts with respect to any deferred Share Compensation or Fees which is required by state, federal or local law shall be withheld from the Nonemployee Director’s non-deferred Fees, or if none, then the Nonemployee
Director’s Deferral Commitment shall be reduced by the amount of such withholding. 
 5.3 DETERMINATION OF ACCOUNTS. 
 (a) ACCOUNT BALANCE. A Nonemployee Director’s Deferred Account Balance as of a particular date shall consist of (i) the dollar amount credited
to each Nonemployee Director’s Deferred Account as of such date (less any portion of Deferred Fees converted in (b) below) plus (ii) the total number of Common Stock Units as of such date. 
 (b) CONVERSION OF DEFERRED FEES TO COMMON STOCK UNITS. A Nonemployee Director’s deferred Fees shall be converted to Common Stock Units calculated by
dividing the credited amount by the Fair Market Value as of the Payment Date relating to such Fees (calculated to the nearest one-hundredth of a Common Stock Unit). 
 5.4 CREDITING OF DIVIDEND EQUIVALENTS. On the record date set for the determination of shareholders entitled to receive any cash dividend declared by the Board, each Deferred Account shall be credited with additional
Common Stock Units equal in value to the amount of cash payable by the Company with respect to such dividend on a number of Shares equivalent to the number of Common Stock Units in such Deferred Account on such record date. The number of additional
Common Stock Units shall be 

  

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calculated by dividing the dollar value of such dividend by the Fair Market Value on such record date. Until a Nonemployee Director or his or her Beneficiary
receives his or her entire Deferred Account, the unpaid balance thereof credited in Common Stock Units shall be credited with dividend equivalents as provided in this Section 5.4. 
 5.5 ADJUSTMENTS TO ACCOUNTS. 
 (a) Each
Nonemployee Director’s Deferred Account shall be debited immediately with the amount of any distributions under the Plan to or on behalf of the Nonemployee Director or, in the event of his or her death, his or her beneficiary. 
 (b) Any debits shall first be applied to any credited Fees in a Nonemployee Director’s Deferred Account. Thereafter, a debit shall be equal to a
corresponding number of Common Stock Units calculated by dividing the amount of such distribution by the Fair Market Value as of the date of the distribution. 
 5.6 STATEMENT OF ACCOUNTS. As soon as practicable after the end of each Plan Year, a statement shall be furnished to each Nonemployee Director or, in the event of his or her death, to his or her Beneficiary showing
the status of the Deferred Account Balance as of the end of the Plan Year, any changes in the Deferred Account Balance since the end of the immediately preceding Plan Year, and such other information as the Administrator shall determine. 

5.7 VESTING OF ACCOUNTS. Subject to Section 6.1 below, each Nonemployee Director shall at all times have a nonforfeitable interest in his or her
Deferred Account Balance. 
 ARTICLE VI. FINANCING OF BENEFITS 
 6.1 FINANCING OF BENEFITS. Benefits payable under the Plan to a Nonemployee Director or, in the event of his or her death, to his or her Beneficiary, shall be paid by the Company from its general assets. The
obligation to make payment of benefits under the Plan represents an unfunded, unsecured obligation of the Company. No person entitled to payment under the Plan shall have any claim, right, security interest or other interest in any fund, trust,
account, insurance contract, or asset of the Company which may be responsible for such payment. 
 6.2 SECURITY FOR BENEFITS. Notwithstanding
the provisions of Section 6.1, nothing in this Plan shall preclude the Company from setting aside amounts in trust (the “Trust”) pursuant to one or more grantor trust agreements between a trustee and the Company. However, no
Nonemployee Director or Beneficiary shall have any secured interest or claim in any assets or property of the Company or the Trust and all funds contained in the Trust shall remain subject to the claims of the Company’s general creditors.

 ARTICLE VII. DISTRIBUTION OF DEFERRED SHARE COMPENSATION AND FEES 
 7.1 SETTLEMENT DATE. A Nonemployee Director or, in the event of his or her death, his or her Beneficiary shall be entitled to distribution of all or part
of his or her Deferred Account Balance, as provided in this Article VII, following his or her Settlement Date or Dates. 
 7.2 AMOUNT TO BE
DISTRIBUTED. The amount to which a Nonemployee Director or, in the event of his or her death, his or her Beneficiary is entitled in accordance with the following provisions of this Article shall be based on the Nonemployee Director’s adjusted
Deferred Account Balance determined as of the Accounting Date coincident with or next following his or her Settlement Date or Dates. 
  

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 7.3 IN-SERVICE DISTRIBUTION. A Nonemployee Director may irrevocably elect to receive an in-service
distribution of his or her deferred Share Compensation and Fees for a Plan Year by filing an election prior to the beginning of such Plan Year, calling for distribution of such deferred amounts to be made or to commence on a specific objectively
determinable Settlement Date not earlier than the beginning of the third Plan Year following the Plan Year in which such Share Compensation and Fees otherwise would have been payable. A Nonemployee Director’s election of an in-service
distribution and Settlement Date for amounts deferred in a Plan Year shall be made in the Participation Agreement for the Plan Year as provided in Section 4.1 above. The Nonemployee Director shall elect irrevocably to receive such Share
Compensation and Fees as an in-service distribution on the designated Settlement Date. A Nonemployee Director may designate different Settlement Dates for Deferral Commitments for different Plan Years. Any benefits paid to the Nonemployee Director
as an in-service distribution shall reduce the Nonemployee Director’s Deferred Account Balance as specified in Section 5.4 above. 
 7.4 DISTRIBUTION DATE. As soon as practicable after the end of the Accounting Period in which a
Nonemployee Director’s Settlement Date occurs, but in no event later than thirty days following the end of such Accounting Period (but no later than the end of the calendar year, or if later, by the 15th day of the second calendar month following the end of such Accounting Period), the Company shall distribute or cause to be distributed to the Nonemployee Director the Nonemployee
Director’s Deferred Account Balance. Notwithstanding the foregoing, if elected by the Nonemployee Director at least one year prior to the Settlement Date, the distribution of all or a portion of the Nonemployee Director’s Deferred Account
may be made or commence at the beginning of the fifth Plan Year following his or her Settlement Date. In the event of a Nonemployee Director’s death, the balance of his or her Deferred Account shall be distributed to his or her Beneficiary in a
lump sum. 
 7.5 FORM OF DISTRIBUTION. 
 (a) Distribution of Common Stock Units with respect to any Deferral shall be made: (i) by payment in Shares in the proportion of one Share for one Stock Unit (any fractions shall be converted to and paid in
cash); (ii) by payment in annual installments of Shares not to exceed ten installments in the proportion of one Share for one Common Stock Unit; or (iii) a combination of (i) and (ii) above, at the option of the Nonemployee
Director. 
 (b) The Nonemployee Director’s election of the time and method of distribution shall be made by written notice filed with
the Administrator at least one year prior to the Nonemployee Director’s voluntary retirement as a Director. Any such election may changed by the Nonemployee Director at any time and from time to time without the consent of any other person by
filing a later signed written election with Administrator; provided that any election made less than one year prior to the Nonemployee Director’s voluntary termination as a Director shall not be valid, and in such case payment shall be made in
accordance with the Nonemployee Director’s prior election; and further provided that, effective on and after January 1, 2008, any such subsequent or modified election changing the time or form of distribution must specify a deferred
distribution date at least five (5) years after the date on which the distribution would otherwise have been made. 
 (c) The amount of
any installment in (a) above shall be equal to the quotient obtained by dividing the Nonemployee Director’s Deferred Account Balance as of the date such installment payment by the number of installment payments remaining to be made to or
in respect of such Nonemployee Director at the time of calculation. 
  

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 (d) If a Nonemployee Director fails to make an election in a timely manner as provided in this
Section 7.5, distribution shall be made in Shares, with any fraction in cash, in a lump sum. 
 7.6 BENEFICIARY DESIGNATION. As used in
the Plan the term “Beneficiary” means: 
 (a) The person last designated as Beneficiary by the Nonemployee Director in on a form
prescribed by the Administrator; 
 (b) If there is no designated Beneficiary or if the person so designated shall not survive the
Nonemployee Director, such Nonemployee Director’s spouse; or 
 (c) If no such designated Beneficiary and no such spouse is living upon
the death of a Nonemployee Director, or if all such persons die prior to the distribution of the entire balance of the Nonemployee Director’s Deferred Account, then the legal representative of the last survivor of the Nonemployee Director and
such persons, or, if the Administrator shall not receive notice of the appointment of any such legal representative within one year after such death, the heirs-at-law of such survivor shall be the Beneficiaries to whom the remaining balance in the
Nonemployee Director’s Deferred Account shall be distributed (in the proportions in which they would inherit his or her intestate personal property). 
 Any Beneficiary designation may be changed from time to time by the filing of a new form with the Administrator. No notice given under this Section 7.6 shall be effective unless and until the Administrator
actually receives such notice. 
 7.7 FACILITY OF PAYMENT. Whenever and as often as any Nonemployee Director or his or her Beneficiary
entitled to payments hereunder shall be under a legal disability or, in the sole judgment of the Administrator, shall otherwise be unable to apply such payments to his or her own best interests and advantage, the Administrator in the exercise of its
discretion may direct all or any portion of such payments to be made in any one or more of the following ways: (i) directly to him or her; (ii) to his or her legal guardian or conservator; or (iii) to his or her spouse or to any other
person, to be expended for his or her benefit; and the decision of the Administrator shall in each case be final and binding upon all persons in interest. 
 ARTICLE VIII. ADMINISTRATION, AMENDMENT AND TERMINATION 
 8.1 ADMINISTRATION. The Plan shall be administered
by the Administrator. The Administrator shall have such powers as may be necessary to discharge its duties hereunder. The Administrator may, from time to time, employ agents and delegate to them such administrative duties as it sees fit, and may
from time to time consult with legal counsel who may be counsel to the Company. Except as provided in Section 8.2 below, the Administrator shall have no power to add to, subtract from or modify any of the terms of the Plan, or to change or add
to any benefits provided under the Plan, or to waive or fail to apply any requirements of eligibility for a benefit under the Plan. No member of the Administrator shall act on behalf of the Administrator in respect of his or her own Voluntary Amount
or his or her own Deferred Account. All decisions and determinations by the Administrator shall be final and binding on all parties. All decisions of the Administrator shall be made by the vote of the majority, including actions taken without a
meeting. All elections, notices and directions under the Plan by a Nonemployee Director shall be made on such forms as the Administrator shall prescribe. 
 8.2 AMENDMENT AND TERMINATION. The Board may alter or amend this Plan from time to time or may terminate it in its entirety; provided, however, that no such action shall, without the consent of a Nonemployee Director,
affect the rights in any Shares issued or to be issued to such Nonemployee Director or in any amount in a Nonemployee Director’s Deferred Account; and further 

  

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provided, that, any amendment which must be approved by the shareholders of the Company in order to comply with applicable law or the rules of any national
securities exchange or securities listing service upon which the Shares are traded or quoted shall not be effective unless and until such approval is obtained. Presentation of the Plan or any amendment thereof for shareholder approval shall not be
construed to limit the Company’s authority to offer similar or dissimilar benefits in plans that do not require shareholder approval. 
 Notwithstanding the foregoing, no amendment or termination of the Plan after December 31, 2004 shall result in an accelerated distribution of any Nonemployee Director’s Deferred Account Balance prior to the scheduled Settlement
Date except in connection with (a) a termination of the Plan within the period of 30 days preceding or the 12 months following a Change in Control [as defined in Treasury Regulation section 1.409A-3(i)(5)]; or (b) any other termination by
the Company of the Plan (and any other similar deferred compensation arrangements aggregated with the Plan under applicable Treasury Regulations) permitted under Treasury Regulation Section 1.409A-3(j)(4)(ix) or any successor regulation.

 8.3 ADJUSTMENTS. In the event of any change in the outstanding Common Stock by reason of (a) any stock dividend, stock split,
combination of shares, recapitalization or any other change in the capital structure of the Company, (b) any merger, consolidation, spin-off, split-off, spin-out, split-up, reorganization, partial or complete liquidation or other distribution
of assets, issuance of rights or warrants to purchase securities, or (c) any other corporate transaction or event having an effect similar to any of the foregoing, the number or kind of Shares that may be issued under the Plan and the number of
Common Stock Units in a Nonemployee Director’s Deferred Account automatically shall be adjusted so that the proportionate interest of the Nonemployee Directors shall be maintained as before the occurrence of such event. Such adjustment shall be
conclusive and binding for all purposes with respect to the Plan. 
 8.4 SUCCESSORS. The Company shall require any successor (whether direct
or indirect, by purchase, merger, consolidation, reorganization or otherwise) to all or substantially all of the business and/or assets of the Company expressly to assume and to agree to perform this Plan in the same manner and to the same extent
the Company would be required to perform if no such succession had taken place. This Plan shall be binding upon and inure to the benefit of the Company and any successor of or to the Company, including without limitation any persons acquiring
directly or indirectly all or substantially all of the business and/or assets of the Company whether by sale, merger, consolidation, reorganization or otherwise (and such successor shall thereafter be deemed the “Company” for the purpose
of this Plan), and the heirs, beneficiaries, executors and administrators of each Nonemployee Director. 
 ARTICLE IX. SHARES SUBJECT TO PLAN

 9.1 SHARES SUBJECT TO PLAN. Subject to adjustment as provided in this Plan, the total number of Shares of Common Stock which may be issued
under this Plan shall be One Hundred Eighty Thousand (180,000). 
 ARTICLE X. EFFECTIVE DATE; APPROVAL BY SHAREHOLDERS 
 10.1 EFFECTIVE DATE; APPROVAL OF THE PLAN. The Plan was adopted by the Board of Directors and initially effective as of May 1, 2004. The Plan was amended
by the Board of Directors on September 9, 2006, and June 18, 2007, and such amendments were approved by the shareholders of the Company as required, and the Plan restated as so amended. Share Compensation paid pursuant to any amendments to the Plan
which require shareholder approval shall be rescinded if such approval is not obtained at the next shareholders meeting following such amendment. In that event, the amendment shall be nullified and cash paid in lieu of any Share Compensation which
would otherwise have been paid pursuant to the amendment. 
  

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 ARTICLE XI. GENERAL PROVISIONS 
 11.1 NO CONTINUING RIGHT TO SERVE AS A DIRECTOR. Neither the adoption or of this Plan, nor any document describing or referring to this Plan, or any part
thereof, shall confer upon any Nonemployee Director any right to continue as a director of the Company or any subsidiary of the Company. 
 11.2 RESTRICTIONS ON SHARES AND RIGHTS TO SHARES. Except for any restrictions required by law, a Nonemployee Director shall have all rights of a shareholder with respect to his or her Shares. No rights to Shares shall be assigned, pledged,
hypothecated or otherwise transferred by a Nonemployee Director or other person, voluntarily or involuntarily, other than by will or the laws of descent and distribution. No person shall have any right to commute, encumber, pledge or dispose of any
other interest herein or right to receive payments hereunder, nor shall such interests or payments be subject to seizure, attachment or garnishment for the payments of any debts, judgments, alimony or separate maintenance obligations or be
transferable by operation of law in the event of bankruptcy, insolvency or otherwise, all payments and rights hereunder being expressly declared to be nonassignable and nontransferable. 
 11.3 GOVERNING LAW. The provisions of this Plan shall be governed by construed in accordance with the laws of the State of Florida. 
 11.4 WITHHOLDING TAXES. To the extent that the Company is required to withhold Federal, state or local taxes in connection with any component of a
Nonemployee Director’s compensation in cash or Shares, and the amounts available to Company for such withholding are insufficient, it shall be a condition the receipt of any Shares that the Nonemployee Director make arrangements satisfactory to
the Company for the payment of the balance of such taxes required to be withheld, which arrangement may include relinquishment of the Shares. The Company and a Nonemployee Director may also make similar arrangements with respect to payment of any
other taxes derived from or related to the payment of Shares with respect to which withholding is not required. 
 11.5 MISCELLANEOUS.
Headings are given to the sections of this Plan as a convenience to facilitate reference. Such headings, numbering and paragraphing shall not in any case be deemed in any way material or relevant to the construction of this Plan or any provisions
thereof. The use of the singular shall also include within its meaning the plural, and vice versa. 
  

			
	SUN HYDRAULICS CORPORATION
		
	By:	 	 /s/ Allen J. Carlson

		 	Allen J. Carlson, President

  

 - 10 -Second Amended and Restated Employee Stock Purchase Plan

 EXHIBIT 10.1 
 ANSYS, INC. 
 SECOND AMENDED AND RESTATED 
 EMPLOYEE STOCK PURCHASE PLAN 
 The purpose of the
ANSYS, Inc. Second Amended and Restated Employee Stock Purchase Plan (“the Plan”) is to provide eligible employees of ANSYS, Inc. (the “Company”) and each Designated Subsidiary (as defined in Section 12) with opportunities
to purchase shares of the Company’s common stock, par value $.01 per share (the “Common Stock”). One Million Six Hundred Thousand (1,600,000) shares of Common Stock in the aggregate have been approved and reserved for this
purpose. The Plan is intended to constitute an “employee stock purchase plan” within the meaning of Section 423(b) of the Internal Revenue Code of 1986, as amended (the “Code”), and shall be interpreted in accordance with
that intent. 
 1. Administration. The Plan will be administered by the Company’s Board of Directors (the “Board”) or by the
Compensation Committee of the Board or other committee appointed by the Board for such purpose. The Board or committee that administers the Plan is referred to herein as the “Administrator.” The Administrator has authority to make rules
and regulations for the administration of the Plan, and its interpretations and decisions with regard thereto shall be final and conclusive. No member of the Board, any such committee or any other individual exercising administrative authority with
respect to the Plan shall be liable for any action or determination with respect to the Plan or any option granted hereunder. 
 2. Offerings. The Company will make one or more offerings to eligible employees to purchase the Common Stock under the Plan (“Offerings”). Unless otherwise determined by the Administrator, an Offering will begin
on the first business day occurring on or after each February 1 and August 1 and will end on the last business day occurring on or before the following July 31 and January 31, respectively. The Administrator may, in its
discretion, choose an Offering period of six months or less for each of the Offerings and choose a different Offering period for each Offering. 
 3. Eligibility. All individuals classified as employees on the payroll records of the Company and each Designated Subsidiary (including employees who are also directors of the Company) are eligible to participate in any one
or more of the Offerings under the Plan, provided that as of the first day of the applicable Offering (the “Offering Date”) they are customarily employed by the Company or 

 
a Designated Subsidiary for more than twenty (20) hours a week. Notwithstanding any other provision herein, individuals who are not contemporaneously
classified as employees of the Company or a Designated Subsidiary for purposes of the Company’s or a Designated Subsidiary’s payroll system are not considered to be eligible employees of the Company or a Designated Subsidiary and shall not
be eligible to participate in the Plan. In the event such individuals are reclassified as employees of the Company or a Designated Subsidiary for any purpose, including without limitation, common law or statutory employees, by any action of any
third party or as a result of any private action or administrative proceeding, such individuals shall notwithstanding such reclassification, remain ineligible to participate in the Plan. 
 4. Participation. An employee eligible on any Offering Date may participate in such Offering by submitting an enrollment form to his or her appropriate payroll location at least fifteen
(15) business days before the Offering Date (or by such other deadline as shall be established by the Administrator for the Offering). The form will (a) state a whole percentage to be deducted from such employee’s Compensation (as
defined in Section 12) per pay period, (b) authorize the purchase of Common Stock for such employee in each Offering in accordance with the terms of the Plan and (c) specify the exact name or names in which shares of Common Stock
purchased for such employee are to be issued pursuant to Section 10. An employee who does not enroll in accordance with these procedures will be deemed to have waived the right to participate. Unless an employee files a new enrollment form or
withdraws from the Plan, such employee’s deductions and purchases will continue at the same percentage of Compensation for future Offerings, provided such employee remains eligible. Notwithstanding the foregoing, participation in the Plan will
neither be permitted nor be denied contrary to the requirements of the Code. 
 5. Employee Contributions. Each eligible employee may
authorize payroll deductions at a minimum of one percent (1%) up to a maximum of ten percent (10%) of his or her Compensation for each pay period. The Company will maintain book accounts showing the amount of payroll deductions made by
each participating employee for each Offering. No interest will accrue or be paid on payroll deductions. 
 6. Deduction Changes. Unless the
Administrator provides otherwise, an employee may increase or decrease his or her payroll deduction during any Offering. An employee may also terminate his or her payroll deduction for the remainder of the Offering, either with or without
withdrawing from the Offering under Section 7. To increase, reduce or terminate his or her payroll deduction (without withdrawing from the Offering), an employee must submit a new enrollment form at least fifteen (15) business days (or
such shorter period as shall be established by the 

 
Administrator) before the payroll date on which the change becomes effective. Subject to the requirements of Sections 4 and 5, an employee may either
increase or decrease his or her payroll deduction with respect to the next Offering by filing a new enrollment form at least fifteen (15) business days before the next Offering Date (or by such other deadline as shall be established for the
Offering). 
 7. Withdrawal. An employee may withdraw from participation in the Plan by delivering a written notice of withdrawal to his or
her appropriate payroll location. The employee’s withdrawal will be effective as of the next business day. Following an employee’s withdrawal, the Company will promptly refund such employee’s entire account balance under the Plan
(after payment for any Common Stock purchased before the effective date of withdrawal). Partial withdrawals are not permitted. The employee may not begin participation again during the remainder of the Offering, but may enroll in a subsequent
Offering in accordance with Section 4. 
 8. Grant of Options. On each Offering Date, the Company will grant to each eligible employee
who is then a participant in the Plan an option (“Option”) to purchase on the last day of such Offering (the “Exercise Date”), at the Option Price hereinafter provided for, (a) a number of shares of Common Stock determined
by dividing such employee’s accumulated payroll deductions on such Exercise Date by the Option Price, or (b) such other lesser maximum number of shares of Common Stock as shall have been established by the Administrator in advance of an
Offering Period; provided, however, that such Option and the maximum number of shares to be purchased shall be subject to the limitations set forth below. Subject to the limitations herein, each employee’s Option shall be exercisable only to
the extent of such employee’s accumulated payroll deductions on the Exercise Date. The purchase price for each share purchased under such Option (the “Option Price”) will be 90% of the Fair Market Value of the Common Stock on the
Offering Date or the Exercise Date, whichever is less. 
 Notwithstanding the foregoing, no employee may be granted an option hereunder if such employee,
immediately after the option was granted, would be treated as owning stock possessing five percent (5%) or more of the total combined voting power or value of all classes of stock of the Company or any Parent or Subsidiary (as defined in
Section 12). For purposes of the preceding sentence, the attribution rules of Section 424(d) of the Code shall apply in determining the stock ownership of an employee, and all stock which the employee has a contractual right to purchase
shall be treated as stock owned by the employee. In addition, no employee may be granted an Option which permits his or her rights to purchase stock under the Plan, and any other employee stock purchase plan of the Company and its Parents and
Subsidiaries, to accrue at a rate which exceeds $25,000 of the fair market value of such stock (determined on the option grant date or dates) for 

 
each calendar year in which the Option is outstanding at any time. The purpose of the limitation in the preceding sentence is to comply with
Section 423(b)(8) of the Code and shall be applied taking Options into account in the order in which they were granted. 
 9. Exercise of Option
and Purchase of Shares. Each employee who continues to be a participant in the Plan on the Exercise Date shall be deemed to have exercised his or her Option on such date and shall acquire from the Company such number of whole shares of
Common Stock reserved for the purpose of the Plan as his or her accumulated payroll deductions on such date will purchase at the Option Price, subject to any other limitations contained in the Plan. Any amount remaining in an employee’s account
at the end of an Offering solely by reason of the inability to purchase a fractional share will be carried forward to the next Offering; any other balance remaining in an employee’s account at the end of an Offering will be refunded to the
employee promptly. 
 10. Issuance of Certificates. Certificates or book entries representing shares of Common Stock purchased under the
Plan may be issued only in the name of the employee, in the name of the employee and another person of legal age as joint tenants with rights of survivorship, or in the name of a broker authorized by the employee to be his or her nominee for such
purpose. 
 11. Holding Period. Unless the Administrator provides otherwise, an employee may not sell, exchange, assign, encumber, alienate, transfer,
pledge or otherwise dispose of any shares of Common Stock acquired on the Exercise Date at the end of an Offering until the one-year anniversary of such Exercise Date. 
 12. Definitions.
 The term “Compensation” means the amount of total cash compensation, prior to salary
reduction pursuant to either Section 125 or 401(k) of the Code, including base pay, overtime, commissions and bonuses, but excluding allowances and reimbursements for expenses such as relocation allowances or travel expenses, income or gains on
the exercise of Company stock options, and similar items. 
 The term “Designated Subsidiary” means any present or future Subsidiary (as defined
below) that has been designated by the Administrator to participate in the Plan. The Administrator may so designate any Subsidiary, or revoke any such designation, at any time and from time to time, either before or after the Plan is approved by the
stockholders. 
 The term “Fair Market Value of the Common Stock” means (i) if the Common Stock is admitted to trading on a national
securities exchange, the closing price 

 
reported for the Common Stock on such exchange for such date or, if no sales were reported for such date, for the last date preceding such date for which a
sale was reported, or (ii) if clause (i) does not apply but the Common Stock is admitted to quotation on the National Association of Securities Dealers Automated Quotation System (“NASDAQ”), the average of the highest bid and
lowest asked prices of the Common Stock reported on NASDAQ for such date or, if no bid and asked prices were reported for such date, for the last day preceding such date for which such prices were reported. 
 The term “Parent” means a “parent corporation” with respect to the Company, as defined in Section 424(e) of the Code. 
 The term “Subsidiary” means a “subsidiary corporation” with respect to the Company, as defined in Section 424(f) of the Code. 
 13. Rights on Termination of Employment. If a participating employee’s employment terminates for any reason before the Exercise Date for any
Offering, no payroll deduction will be taken from any pay due and owing to such employee and the balance in such employee’s account will be paid to such employee or, in the case of death, to such employee’s designated beneficiary as if
such employee had withdrawn from the Plan under Section 7. An employee will be deemed to have terminated employment, for this purpose, if the corporation that employs such employee, having been a Designated Subsidiary, ceases to be a
Subsidiary, or if such employee is transferred to any corporation other than the Company or a Designated Subsidiary. An employee will not be deemed to have terminated employment for this purpose if the employee is on an approved leave of absence for
military service, sickness or any other purpose approved by the Company, if the employee’s right to reemployment is guaranteed by statute, by contract or under the policy pursuant to which that leave of absence was granted or if the
Administrator otherwise so provides in writing. 
 14. Special Rules. Notwithstanding anything herein to the contrary, the Administrator may
adopt special rules applicable to the employees of a particular Designated Subsidiary, whenever the Administrator determines that such rules are necessary or appropriate for the implementation of the Plan in a jurisdiction where such Designated
Subsidiary has employees; provided that such rules are consistent with the requirements of Section 423(b) of the Code. Such special rules may include (by way of example, but not by way of limitation) the establishment of a method for employees
of a given Designated Subsidiary to fund the purchase of shares other than by payroll deduction, if the payroll deduction method is prohibited by local law or is otherwise impracticable. Any special rules established pursuant to this Section 14
shall, to the extent possible, result in the employees subject to such rules having substantially the same rights as other participants in the Plan. 

 15. Optionees Not Stockholders. Neither the granting of an Option to an employee nor the deductions from
his or her pay shall constitute such employee a holder of the shares of Common Stock covered by an Option under the Plan until such shares have been purchased by and issued to such employee. 
 16. Rights Not Transferable. Rights under the Plan are not transferable by a participating employee other than by will or the laws of descent and
distribution, and are exercisable during the employee’s lifetime only by the employee. 
 17. Application of Funds. All funds received
or held by the Company under the Plan may be combined with other corporate funds and may be used for any corporate purpose. 
 18. Adjustment in Case
of Changes Affecting Common Stock. In the event of a subdivision of outstanding shares of Common Stock, the payment of a dividend in Common Stock, or any other similar change affecting the Common Stock, the number of shares approved for the
Plan, the share limitation set forth in Section 8 and any other relevant limit under the Plan shall be proportionately adjusted to give proper effect to such event. 
 19. Amendment of the Plan. The Board may at any time, and from time to time, amend the Plan in any respect, except that without the approval, within twelve (12) months of such Board action, by
the holders of a majority of the shares of stock of the Company present or represented and entitled to vote at a meeting of stockholders, no amendment shall be made increasing the number of shares approved for the Plan or making any other change
that would require stockholder approval in order for the Plan, as amended, to qualify as an “employee stock purchase plan” under Section 423(b) of the Code. 
 20. Insufficient Shares. If the total number of shares of Common Stock that would otherwise be purchased on any Exercise Date plus the number of shares purchased under previous Offerings under the
Plan exceeds the maximum number of shares issuable under the Plan, the shares then available shall be apportioned among participants in proportion to the amount of payroll deductions accumulated on behalf of each participant that would otherwise be
used to purchase Common Stock on such Exercise Date. 
 21. Termination of the Plan. The Plan may be terminated at any time by the Board.
Upon termination of the Plan, all amounts in the accounts of participating employees shall be promptly refunded. 

 22. Governmental Regulations. The Company’s obligation to sell and deliver Common Stock under the
Plan is subject to obtaining all governmental approvals required in connection with the authorization, issuance, or sale of such stock. 
 23. Governing
Law. The Plan shall be governed by Delaware law except to the extent that such law is preempted by federal law. 
 24. Issuance of
Shares. Shares may be issued upon exercise of an Option from authorized but unissued Common Stock, from shares held in the treasury of the Company, or from any other proper source. 
 25. Tax Withholding. Participation in the Plan is subject to any required tax withholding on income of the participant in connection with the Plan. Each
employee agrees, by entering the Plan, that the Company and its Subsidiaries shall have the right to deduct any such taxes from any payment of any kind otherwise due to the employee, including shares issuable under the Plan. 
 26. Notification Upon Sale of Shares. Each employee agrees, by entering the Plan, to give the Company prompt notice of any disposition of shares
purchased under the Plan where such disposition occurs within two years after the date of grant of the Option pursuant to which such shares were purchased. 
 27. Effective Date and Approval of Stockholders. The Plan was originally effective on the first day of the Company’s initial public offering and was approved by the Company’s stockholders in 1996. The Plan was
subsequently amended to add additional shares of Common Stock to the Plan, which amendment was approved by the Company’s stockholders on May 6, 2004. The Plan was amended and restated in 2007, which amendment and restatement was approved
by the Board on July 26, 2007.

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