Document:

EX-10.12

 Exhibit 10.12 

EMPLOYMENT AGREEMENT 

This AMENDED AND RESTATED EMPLOYMENT AGREEMENT (this “Agreement”) is hereby entered into on September 17, 2015, between
Surgery Partners, Inc. (“Parent”), Symbion, Inc. (“Symbion”, and together with Parent, the “Company”) and John Crysel (“Executive”), amending and restating in its entirety the
Employment Agreement, dated as of June 13, 2014, between Symbion and Executive. This Agreement shall be effective as of the date immediately preceding the date of the initial public offering of Parent’s common stock. 

1. Employment. The Company shall employ Executive, and Executive hereby accepts continued employment with the Company, upon the terms
and conditions set forth in this Agreement for the period beginning on November 3, 2014 (the “Commencement Date”) and ending on the five-year anniversary of the Commencement Date; provided, however, that the term of this
Agreement shall automatically be extended for one additional year on the fifth anniversary of the Commencement Date and each anniversary thereafter (the “Employment Period”) unless either party gives 30 days’ notice of
non-renewal. 
 2. Position and Duties. 

(a) During the Employment Period, Executive shall serve as the Group President of Surgery Partners’ National Group reporting to the Chief
Executive Officer. Executive shall have such responsibilities, duties and authorities, and will render such services for the Company and its Subsidiaries or Affiliates as the Board of Directors of Parent (the “Board”) may from time
to time direct. Executive will devote his best efforts, energies and abilities and his full business time, skill and attention to the business and affairs of the Company and its Subsidiaries, and shall perform his duties and responsibilities to the
best of his ability, in a diligent, trustworthy, businesslike and efficient manner for the purpose of advancing the businesses of Company and its Subsidiaries. Executive acknowledges that his duties and responsibilities will require his full time
business efforts and agrees that during the Employment Period he will not engage in any other business activity or have any business pursuits that interfere with Executive’s duties and responsibilities under this Agreement or are competitive
with the businesses of the Company. Notwithstanding the foregoing, Executive shall be permitted to devote a reasonable amount of time and effort to (i) providing service to, or serving on governing boards of, civic and charitable organizations,
and (ii) personally investing and managing personal and family investments in real estate and in any corporation, partnership or other entity; but in each case, only to the extent that any of the activities described in clauses (i) or
(ii), individually or as a whole, do not (A) require or involve the active participation of Executive in the management of any corporation, partnership or other entity or interfere with the execution of Executive’s duties hereunder, or
(B) otherwise violate any provision of this Agreement. 
 (b) For purposes of this Agreement, (i) “Subsidiaries”
means any corporation or other entity (A) of which the securities or other ownership interests having the voting power to elect a majority of the board of directors or other governing body are, at the time of determination, owned by Parent or
Symbion, directly or through one or more subsidiaries or (B) to which Parent, Symbion, or any of their Affiliates provide management services to, and (ii) “Affiliate” of an entity means any other person or entity, directly
or indirectly controlling, controlled by or under common control with an entity. 

 3. Compensation and Benefits. 

(a) During the Employment Period, Executive’s base salary shall be $325,000 per annum, payable by the Company in regular installments in
accordance with the Company’s general payroll practices, less taxes and other applicable withholdings, and subject to review and adjustment from time to time by the Board or the Compensation Committee thereof (the “Committee”),
in either case, in its discretion (as modified from time to time, the “Base Salary”). 
 (b) In addition, during the
Employment Period, Executive shall be entitled to participate in all of the Company’s benefit programs for which employees of the Company are generally eligible, subject to the eligibility and participation requirements thereof, including, but
not limited to, the following: 
 (i) medical, dental, vision, life and disability insurance, as is generally provided to
other employees of the Company; 
 (ii) eligibility for vacation time in accordance with the policies of the Company as from
time to time in effect; provided, however, that Executive shall not have less than 20 days of vacation time per calendar year; and 

(iii) participation in the existing Symbion, Inc. supplemental Executive Retirement Plan, or its equivalent or a successor
plan, with a minimum of a two percent (2%) match for Executive. 
 (c) During the Employment Period, the Company shall reimburse
Executive for all reasonable out-of-pocket expenses incurred by his in the course of performing his duties and responsibilities under this Agreement which are consistent with the Company’s policies in effect from time to time with respect to
travel, entertainment and other business expenses, subject to the Company’s requirements with respect to reporting and documentation of such expenses. Executive’s right to payment or reimbursement for business expenses hereunder will be
subject to the following additional rules: (i) no reimbursement of any expense shall affect Executive’s right to reimbursement of any other expense in any other taxable year; (ii) the amount of expenses eligible for payment or
reimbursement during any calendar year will not affect the expenses eligible for payment or reimbursement in any other taxable year; (iii) payment or reimbursement will be made not later than December 31 of the calendar year following the
calendar year in which the expense was incurred or paid, and (iv) the right to payment or reimbursement is not subject to liquidation or exchange for any other benefit. 

(d) In addition to the Base Salary, Executive will be eligible to receive an annual bonus of fifty percent (50%) of the Base Salary, with
the actual amount of any such bonus being determined by the Board or the Committee, in either case, in its discretion, based on the achievement of performance goals established annually by the Board or the Committee, as applicable. Any annual bonus
payable under this Section 3(d) will be paid no later than March 15th following the close of the year for which the bonus is earned. 

(e) All amounts payable to Executive hereunder shall be subject to all required withholdings by the Company. If additional guidance is issued
under, or modifications are made to, Section 409A of the Internal Revenue Code of the Internal Revenue Code and the regulations 

  
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and other interpretive guidance issued thereunder (collectively, “Section 409A”), or any other law affecting payments to be made under this Agreement, Executive agrees that the
Company may take such reasonable actions and adopt such reasonable amendments as the Company believes are necessary to ensure continued compliance with the Internal Revenue Code, including Section 409A. However, the Company does not hereby or
otherwise represent or warrant that any payments hereunder are or will be in compliance with Section 409A, and Executive shall be responsible for obtaining his own tax advice with regard to such matters. 

4. Termination. 
 (a)
Termination by Executive or the Company. The Employment Period (i) shall terminate upon Executive’s resignation with Good Reason (as defined below) or without Good Reason, death or Incapacity (as defined below) or (ii) may be
terminated by the Company at any time for Cause (as defined below) or without Cause. 
 (b) “Good Reason” shall mean
without the written consent of Executive: 
 (i) without the express written consent of Executive, a material diminution of
his position, duties, responsibilities, and status with the Company as in effect as of the Commencement Date or a material reduction of Executive’s resources as in effect on the Commencement Date; 

(ii) a material reduction in Executive’s Base Salary or annual bonus target percentage; 

(iii) a material reduction in the level of benefits available or awarded to Executive, other than any reduction in connection
with a Company-wide reduction applicable generally to similarly situated executive officers of the Company; 
 (iv) within
twelve months of a Change in Control (as defined herein), a material increase in Executive’s core functional responsibilities with a corresponding material change in Executive’s core functional role without a corresponding increase in
compensation, provided, however, the addition of additional facilities or territories to Executive’s oversight responsibilities or other ordinary course growth of Parent or Symbion or any of their Subsidiaries or Affiliates shall not be a
material increase in Executive’s core functional responsibilities; 
 (v) a relocation by the Company of
Executive’s primary employment location to a location which is more than 50 miles from Executive’s primary employment location on the date hereof; or 

(vi) a material breach by the Company of the terms of this Agreement; 

but only if (x) Executive notifies the Company in writing within 90 days after the initial existence or occurrence of any of these conditions which
notice describes in reasonable detail the basis for Executive’s belief that Good Reason exists and that Executive intends to resign for Good Reason and the Company, within 30 days after receipt of such notice, either fails to cure the condition
or delivers a written notice to Executive that the Company intends not to cure such condition and (y) Executive actually resigns prior to 15 days after the earlier to occur of either the end of such 30-day cure period or delivery of such
written notice by the Company. 

  
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 (c) “Incapacity” as used herein shall mean that Executive is unable to perform,
with or without reasonable accommodation, by reason of physical or mental incapacity, the essential duties, responsibilities and functions of his position. A medical examination by a physician selected by the Company to whom Executive or his duly
appointed guardian, if any, has no reasonable objection shall determine, according to the facts then available, whether and when Incapacity has occurred. Such determination shall not be arbitrary or unreasonable, and shall be final and binding on
the parties hereto. 
 (d) “Cause” as used herein means the occurrence of any of the following events: 

(i) a material breach by Executive of any of the terms and conditions of this Agreement; provided that, if curable, Executive
shall have a reasonable period of time (which in no event shall exceed 45 days) during which to cure such material breach following the date on which Executive receives the Company’s written notice of such material breach; 

(ii) Executive’s reporting to work (A) intoxicated (other than Executive’s reasonable use of alcohol in
connection with business entertainment, provided, that such use of alcohol does not cause Parent, Symbion or any of their Subsidiaries or Affiliates substantial public disgrace or disrepute or economic harm) or (B) under the influence of
illegal drugs; 
 (iii) Executive’s use of illegal drugs (whether or not at the workplace) or other conduct causing
Parent, Symbion or any of their Subsidiaries or Affiliates substantial public disgrace or disrepute or economic harm; 
 (iv)
breach of fiduciary duty, gross negligence or willful misconduct with respect to Parent, Symbion or any of their Subsidiaries or Affiliates; 

(v) chronic absenteeism, which shall be deemed to have occurred if Executive has at least ten absences unrelated to paid time
off, disability or illness in any ten week period; 
 (vi) Executive’s material failure or willful refusal to
substantially perform his duties, responsibilities and functions; provided that, if curable, Executive shall have a reasonable period of time (which in no event shall exceed 45 days) during which to cure such failure following the date on which
Executive receives the Company’s written notice of such failure; 
 (vii) Executive’s failure to comply with any of
Parent’s, Holding’s or any of their Subsidiaries’ written guidelines or procedures promulgated by Parent, Symbion or any such Subsidiary and furnished to Executive, including, without limitation, any guidelines or procedures relating
to marketing or community relations; provided that, if curable, Executive shall have a reasonable period of time (which in no event shall exceed 45 days) during which to cure such failure following the date on which Executive receives the
Company’s written notice of such failure; or 

  
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 (viii) Executive has committed an act or acts constituting a felony or any other
act or omission involving theft, dishonesty or fraud against Parent, Symbion or any of their Subsidiaries or any of their respective customers or suppliers or other business relationships. 

(e) A “Change in Control” shall be deemed to have occurred upon any of the following events, provided that, to the extent
required by Section 409A, such events would also qualify as a “change in control event” under Treas. Reg. §1.409A-3(i)(5): 

(i) Upon the closing of a reorganization, merger, share exchange or consolidation, other than a reorganization, merger, share
exchange or consolidation with respect to which those persons who were the beneficial owners, immediately prior to such reorganization, merger, share exchange or consolidation, of outstanding securities of Parent or Symbion ordinarily having the
right to vote in the election of directors own, immediately after the closing of such transaction, more than 51% of the outstanding securities of the resulting corporation ordinarily having the right to vote in the election of directors; or 

(ii) Upon approval by the stockholders of a complete liquidation and dissolution of Parent or Symbion or the sale or other
disposition of all or substantially all of the assets of Parent or Symbion other than to a Subsidiary or Affiliate; 
 provided, however,
that a sale, in a firm commitment underwritten public offering led by a nationally recognized underwriting firm pursuant to an effective registration statement under the Securities Act of 1933, as amended, or any successor federal statute, of units
of Surgery Center Holdings, LLC (or common stock of an entity into which the units of Surgery Center Holdings, LLC convert) shall not be a Change in Control. 

(f) Termination by Executive. Executive has the right to terminate his employment under this Agreement at any time, for any or no
reason, but only after giving the Company (i) 30 days prior written notice with respect to any termination without Good Reason or (ii) the number of days prior written notice set forth in the last sentence of Section 4(b) with respect
to any termination with Good Reason. 
 (g) Compensation after Termination. 

(i) If the Employment Period has commenced and is terminated pursuant to Executive’s resignation without Good Reason,
death or Incapacity, Executive shall only be entitled to receive his Base Salary through the date of termination and shall not be entitled to any other salary, bonus, compensation or benefits from Parent, Symbion, or their Subsidiaries, except as
may be required by applicable law. 
 (ii) If the Employment Period has commenced and is terminated by the Company for
Cause, Executive shall only be entitled to his Base Salary through the date of termination and shall not be entitled to any other salary, bonus, compensation or 

  
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benefits from the Company, Parent or their Subsidiaries, except as may be required by applicable law. In addition, in such event, Executive shall automatically forfeit any rights to any unvested
equity owned by Executive in Parent, Symbion or any Subsidiary. 
 (iii) If the Employment Period has commenced and is
terminated by the Company without Cause or by Executive for Good Reason or this Agreement is not renewed by the Company or allowed to expire by the Company, then subject to the conditions described in Section 4(g)(v) below, Executive shall be
entitled to receive as severance compensation the following (collectively, “Severance Pay”): (A) an amount equal to the sum of Executive’s then-current annual Base Salary, payable in regular installments beginning within
30 days following the Termination Date in accordance with the Company’s general payroll practices for salaried employees; (B) continuation of the welfare benefits described in Section 3(b) for 12 months (the “Severance
Period”) to the extent permissible under the terms of the relevant benefit plans at no cost to Executive; and (C) the Bonus payable to Executive within 2 and 1/2 months after the end of the applicable year. For purposes of this
Section 4(g), “Bonus” shall mean an amount equal to Executive’s then-current annual Base Salary, multiplied by the percentage contained in Section 3(d) hereof. 

(iv) If, within 12 months following a Change in Control, either (A) the Company terminates the employment of Executive
hereunder without Cause under Section 4(a) above, or (B) Executive terminates his employment for Good Reason under Section 4(b) above, then, in lieu of any other compensation that may be specified in this Agreement, the Company will
pay Executive the Severance Pay. The Company will make any payment due under this clause (iv) in a single lump-sum payment not later than 30 days after termination. If any payment obligation under this Section 4(g) arises, no compensation
received from other employment (or otherwise) will reduce the Company’s obligation to make the payment(s) described in this paragraph. 

(v) Notwithstanding Section 4(g)(iii), Executive’s right to receive Severance Pay hereunder is conditioned upon:
(A) Executive executing, and not revoking, a written separation agreement and general release of all claims against Parent, Symbion, their Subsidiaries and Affiliates and their respective managers, directors, officers, shareholders, members,
representatives, agents, attorneys, predecessors, successors and assigns (other than a claim for the severance payments described in Section 4(g)(iii) or (iv) and Executive’s rights to future distributions and payments related to the
continued ownership of any equity securities in Parent that Executive will continue to own after such termination), in form and substance acceptable to the Company, which shall among other things, contain a general release by Executive of all claims
arising out of his employment and termination of employment by the Company (a “Release Agreement”) within 30 days of Executive’s Termination Date; and (B) Executive’s material compliance with all of his obligations
which survive termination of this Agreement. The Severance Pay is intended to be in lieu of all other payments to which Executive might otherwise be entitled in respect of his termination without Cause, resignation with Good Reason or this Agreement
is not renewed or allowed to expire by the Company. Parent, Symbion and their Subsidiaries and Affiliates shall have no further obligations hereunder or otherwise with respect to Executive’s employment from and after the date of

  
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termination of employment with the Company (the “Termination Date”), and Parent, Symbion and their Subsidiaries and Affiliates shall continue to have all other rights available
hereunder (including without limitation, all rights hereunder at law or in equity). 
 (vi) Except as otherwise expressly
provided herein, all of Executive’s rights to salary, bonuses, benefits and other compensation hereunder which might otherwise accrue or become payable after the termination of the Employment Period shall cease upon such termination, other than
those expressly required under applicable law (such as COBRA). All amounts payable to Executive as severance hereunder shall be subject to all required withholdings by the Company. 

(h) The Company may offset any amount Executive owes Parent or Symbion or their Subsidiaries or Affiliates against any amount they or their
Subsidiaries or Affiliates owes Executive hereunder. 
 5. Confidential Information. Other than in the performance of his duties
hereunder, during the Restrictive Period (as defined below) and thereafter, Executive shall keep secret and retain in strictest confidence, and shall not, without the prior written consent of the Company, furnish, make available or disclose to any
third party or use for the benefit of herself or any third party, any Confidential Information. As used in this Agreement, “Confidential Information” shall mean any information relating to the business or affairs of Parent, Holdings
or any of their Subsidiaries or Affiliates or the Business, including but not limited to any technical or non-technical data, formulae, compilations, programs, devices, methods, techniques, designs, processes, procedures, improvements, models,
manuals, financial data, acquisition strategies and information, information relating to operating procedures and marketing strategies, and any other proprietary information used by Parent, Holdings or any of their Subsidiaries or Affiliates in
connection with the Business, irrespective of its form; provided, however, that Confidential Information shall not include any information which is in the public domain or becomes known in the industry, in each case through no wrongful act on the
part of Executive. Executive acknowledges that the Confidential Information is vital, sensitive, confidential and proprietary to Parent, Symbion and their Subsidiaries and Affiliates. Executive will immediately notify the Company of any unauthorized
possession, use, disclosure, copying, removal or destruction, or attempt thereof, of any Confidential Information by anyone of which Executive becomes aware and of all details thereof. Executive shall take all reasonably appropriate steps to
safeguard Confidential Information and to protect it against disclosure, misuse, espionage, loss and theft. Executive shall deliver to the Company at the termination or expiration of the Employment Period, or at any other time the Company may
request, all memoranda, notes, plans, records, reports, computer tapes, computers, printouts and software and other documents and data (and copies thereof) embodying or relating to the Confidential Information, Inventions and Discoveries (as defined
below) or the business of Parent, Symbion or any of their Subsidiaries or Affiliates which Executive may then possess or have under his control. 

“Business” as used herein means the business of owning, operating, developing and/or managing, or providing management or
administrative services to, (a) ambulatory surgery centers anywhere in the United States or (b) physician-owned surgical hospitals within a 50 mile radius of any hospital that is owned, operated, developed or managed by the Company or any
Affiliate. 

  
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 6. Inventions and Discoveries. 

(a) Executive understands and agrees that all inventions, discoveries, ideas, improvements, whether patentable, copyrightable or not,
pertaining to the Business or relating to Parent’s, Holding’s or any of their Subsidiaries’ or Affiliates’ actual or demonstrably anticipated research, development or inventions (collectively, “Inventions and
Discoveries”) that result from any work performed by Executive solely or jointly with others for Parent, Symbion or any of their Subsidiaries or Affiliates which Executive, solely or jointly with others, conceives, develops, or reduces to
practice during the course of Executive’s employment with Parent, Symbion or any of their Subsidiaries, are the sole and exclusive property of the Company. Executive will promptly disclose all such matters to the Company and will assist the
Company in obtaining legal protection for Inventions and Discoveries. Executive hereby agrees on behalf of herself, his executors, legal representatives and assignees that he will assign, transfer and convey to the Company, its successors and
assigns the Inventions and Discoveries. 
 (b) THE COMPANY AND EXECUTIVE ACKNOWLEDGE AND AGREE THAT SECTION 6(a) SHALL NOT APPLY TO AN
INVENTION OF EXECUTIVE FOR WHICH NO EQUIPMENT, SUPPLIES, FACILITY OR TRADE SECRET INFORMATION OF PARENT, HOLDINGS OR ANY OF THEIR SUBSIDIARIES WAS USED AND WHICH WAS DEVELOPED ENTIRELY ON EXECUTIVE’S OWN TIME, UNLESS (A) THE INVENTION
RELATED (I) TO THE BUSINESS OF PARENT, HOLDINGS OR ANY OF THEIR SUBSIDIARIES OR AFFILIATES OR (II) TO THE COMPANY’S OR ANY OF ITS SUBSIDIARIES’ OR AFFILIATES’ ACTUAL OR DEMONSTRABLY ANTICIPATED RESEARCH OR DEVELOPMENT, OR
(B) THE INVENTION RESULTS FROM ANY WORK PERFORMED BY EXECUTIVE FOR PARENT, HOLDINGS OR ANY OF THEIR SUBSIDIARIES OR AFFILIATES. EXECUTIVE AND THE COMPANY FURTHER ACKNOWLEDGE AND AGREE THAT SECTION 6(a) SHALL NOT APPLY TO ANY INVENTIONS OR WORK
PRODUCT DEVELOPED OR VESTED BY EXECUTIVE PRIOR TO THE EFFECTIVE DATE, A COMPLETE AND ACCURATE LIST OF WHICH IS SET FORTH ON SCHEDULE 6(b). 

(c) EXECUTIVE ACKNOWLEDGES THAT HE HAS READ THIS SECTION 6 AND FULLY UNDERSTANDS THE LIMITATIONS WHICH IT IMPOSES UPON HIS AND HAS RECEIVED A
DUPLICATE COPY OF THIS AGREEMENT FOR HIS RECORDS. 
 7. Restrictive Covenants. Executive acknowledges that in the course of his
employment with Parent, Symbion or any of their Subsidiaries or Affiliates, or their predecessors or successors, he has been and will be given access to and has and will become familiar with their trade secrets and with other Confidential
Information and that his services have been and shall be of special, unique and extraordinary value to Parent, Symbion, and their Subsidiaries or Affiliates. Therefore, and in further consideration of the compensation to be paid to Executive
hereunder and in connection with his employment, and to protect the Company’s and its Subsidiaries’ and Affiliates’ Confidential Information, business interests and goodwill: 

  
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 (a) Non-compete. Executive hereby agrees that for a period commencing on the date hereof
and ending on the Termination Date, and thereafter, through the period ending on the first anniversary of the Termination Date (collectively, the “Restrictive Period”), he shall not, directly or indirectly, as employee, agent,
consultant, stockholder, director, co-partner or in any other individual or representative capacity, own, operate, manage, control, engage in, invest in or participate in any manner in, act as a consultant or advisor to, render services for (alone
or in association with any person, firm, corporation or entity), or otherwise assist any person or entity (other than Parent and its Subsidiaries) that engages in or owns, invests in, operates, manages or controls any venture or enterprise that
directly or indirectly engages or is actively developing or attempting to develop in any element of the Business anywhere within a 50-mile radius of the Nashville metropolitan area or within a 50-mile radius of any area (or in the event such area is
a major city, the metropolitan area relating to such city) in which Parent, Symbion or any of their Subsidiaries on the Termination Date actively engages or is actively developing or attempting to develop in any element of the Business (the
“Territory”); provided, however, that nothing contained herein shall be construed to prevent Executive from investing in the stock of any competing corporation listed on a national securities exchange or traded in the
over-the-counter market, but only if Executive is not involved in the business of said corporation and if Executive and his associates (as such term is defined in Regulation 14(A) promulgated under the Securities Exchange Act of 1934, as in effect
on the date hereof), collectively, do not own more than an aggregate of 3% of the stock of such corporation. With respect to the Territory, Executive specifically acknowledges that Parent and its Subsidiaries intend to expand the Business into and
throughout the United States. 
 (b) Interference with Relationships. Without limiting the generality of the provisions of
Section 7(a) hereof, Executive hereby agrees that, for a period commencing on the Commencement Date and ending on the Termination Date, and thereafter, through the period ending on the second anniversary of the Termination Date (the
“Non-Solicit Restrictive Period”), he will not, directly or indirectly, as employee, agent, consultant, stockholder, director, partner or in any other individual or representative capacity, (i) solicit or encourage, or
participate in any business which solicits or encourages (A) any person, firm, corporation or other entity which has executed, or proposes to execute, a management services agreement or other services agreement with Parent, Symbion or any of
their Subsidiaries at any time during the term of this Agreement, or any successor in interest to any such person, firm, corporation or other entity, for the purpose of securing business or contracts related to any element of the Business, or
(B) any present customer or patient of Parent, Symbion or any of their Subsidiaries or any of their Affiliated Practices to terminate or otherwise alter his, his or its relationship with Parent, Symbion or any of their Subsidiaries or such
Affiliated Practice; provided, however, that nothing contained herein shall be construed to prohibit or restrict Executive from soliciting business from any such parties on behalf of Parent, Symbion or any of their Subsidiaries in performance of his
duties as an employee of the Company required under and as specifically contemplated by Section 2 above or (ii) divert, entice away, solicit or encourage, or attempt to divert, entice away, solicit or encourage, any physician who utilizes
or has invested in an Affiliated Practice to become an owner, investor or user of another practice or facility that is not an Affiliated Practice or approach any such physician for any of the foregoing purposes or authorize or assist in the taking
of any such action by any third party. In addition, at all times from and after the Termination Date, Executive shall not contact or communicate in any manner with any of Parent’s, Holding’s, or any of their Subsidiaries’ or
Affiliates’ suppliers or vendors, or any other third party providing 

  
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services to Parent, Symbion or any of their Subsidiaries, regarding Parent, Symbion, any of their Subsidiaries or any Company- or any such Subsidiary-related matter (which suppliers, vendors or
third party service providers will include, without limitation, any third party with whom Parent, Symbion or any of their Subsidiaries was, during the term of Executive’s employment with Parent, Symbion or any of their Subsidiaries,
contemplating engaging, or negotiating with, for the future provision of products or services). 
 (c) Non-solicitation. Other than
in the performance of his duties hereunder, during the Non-Solicit Restrictive Period, Executive shall not, directly or indirectly, as employee, agent, consultant, stockholder, director, co partner or in any other individual or representative
capacity, employ, recruit or solicit for employment or engagement, any person who is employed or engaged by Parent, Symbion or any of their Subsidiaries or any of its Affiliated Practices during the Non-Solicit Restrictive Period, or otherwise seek
to influence or alter any such person’s relationship with any of the Affiliated Practices, Parent, Symbion or any of their Subsidiaries; provided, however that responses to a general solicitation (such as an internet or newspaper solicitation)
that are not targeted towards any particular person shall not be deemed to be a violation of the restrictions set forth in this Section 7(c). 

(d) Affiliated Practice. For purposes of this Agreement, an “Affiliated Practice” shall include any practice or
facility (i) in which Parent, Symbion or any of their Subsidiaries has an ownership interest or (ii) that is managed by or receives other services from Parent, Symbion or any of their Subsidiaries in connection with any element of the
Business. 
 (e) Blue Pencil. If any court of competent jurisdiction shall at any time deem the term of this Agreement or any
particular Restrictive Covenant (as defined below) too lengthy or the Territory too extensive, the other provisions of this Section 7 shall nevertheless stand, the Restrictive Period herein shall be deemed to be the longest period permissible
by law under the circumstances and the Territory herein shall be deemed to comprise the largest territory permissible by law under the circumstances. The court in each case shall reduce the time period and/or Territory to permissible duration or
size. 
 (f) Covenant Not to Disparage. During the Restrictive Period and thereafter, Executive shall not disparage, denigrate or
derogate in any way, directly or indirectly, Parent, Symbion, any of their Subsidiaries or Affiliates, or any of its or their respective agents, officers, directors, employees, parent, subsidiaries, affiliates, Affiliated Practices, affiliated
doctors (including any physicians who utilize or have invested in any Affiliated Practice), representatives, attorneys, executors, administrators, successors and assigns (collectively, the “Protected Parties”), nor shall Executive
disparage, denigrate or derogate in any way, directly or indirectly, his experience with any Protected Party, or any actions or decisions made by any Protected Party. 

(g) Remedies. Executive acknowledges and agrees that the covenants set forth in this Section 7 and the preceding Sections 5 and 6
(collectively, the “Restrictive Covenants”) are reasonable and necessary for the protection of the business interests of the Company, Parent and their Subsidiaries and Affiliates, that irreparable injury may result to the Company,
Parent and their Subsidiaries and Affiliates if Executive breaches any of the terms of said Restrictive Covenants, and that in the event of Executive’s actual or threatened breach of any such 

  
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Restrictive Covenants, the Company, Parent and their Subsidiaries and Affiliates will have no adequate remedy at law. Executive accordingly agrees that in the event of any actual or threatened
breach by his of any of the Restrictive Covenants, the Company, Parent and their Subsidiaries and Affiliates shall be entitled to immediate temporary injunctive and other equitable relief subject to hearing as soon thereafter as possible. Nothing
contained herein shall be construed as prohibiting Parent, Symbion or any of their Subsidiaries or Affiliates from pursuing any other remedies available to it for such breach or threatened breach, including the recovery of any damages which it is
able to prove. In addition and supplementary to other rights and remedies existing in its (or their) favor, in the event of the material breach by Executive of any of the provisions of this Section 7, the Company or Parent (and/or their
Subsidiaries or Affiliates) shall be entitled to require Executive to account for and pay over to the Company or Parent (and/or their Subsidiaries or Affiliates) all compensation, profits, moneys, accruals, increments or other benefits actually
derived from or received as a result of any transactions constituting a breach of the covenants contained in this Agreement which may require Executive to repay any severance. In addition, in the event of an alleged breach or violation by Executive
of this Section 7, the restricted periods set forth in this Section 7 shall be tolled until such breach or violation has been duly cured. 

(h) Executive understands that the foregoing restrictions may limit his ability to earn a livelihood in a business similar to the business of
the Company, Parent and their Subsidiaries or Affiliates, but he nevertheless believes that he has received and will receive sufficient consideration and other benefits as an executive of the Company and as otherwise provided hereunder to clearly
justify such restrictions which, in any event (given his education, skills and ability), Executive does not believe would prevent his from otherwise earning a living. Executive acknowledges that the Restrictive Covenants are reasonable and that he
has reviewed the provisions of this Agreement with his legal counsel. Executive shall inform any prospective or future employer of any and all restrictions contained in this Agreement and provide such employer with a copy of such restrictions, prior
to the commencement of that employment. 
 8. Executive’s Representations and Covenants. 

(a) Executive hereby represents and warrants to the Company that (i) the execution, delivery and performance of this Agreement by
Executive do not and shall not conflict with, breach, violate or cause a default under any contract, agreement, instrument, order, judgment or decree to which Executive is a party or by which he is bound, (ii) Executive is not a party to or
bound by any employment agreement, non-compete agreement or confidentiality agreement with any other person or entity and (iii) upon the execution and delivery of this Agreement by the Company, this Agreement shall be the valid and binding
obligation of Executive, enforceable in accordance with its terms. Executive hereby acknowledges and represents that he has consulted with independent legal counsel regarding his rights and obligations under this Agreement and that he fully
understands the terms and conditions contained herein. 
 (b) During the Employment Period and thereafter, Executive shall cooperate with
the Company, Parent and their Subsidiaries and Affiliates in any internal investigation or administrative, regulatory or judicial proceeding as reasonably requested by the Company (including, without limitation, Executive being available to the
Company upon reasonable notice for interviews and factual investigations, appearing at the Company’s request to give testimony 

  
 -11- 

 
without requiring service of a subpoena or other legal process, volunteering to the Company all pertinent information and turning over to the Company all relevant documents which are or may come
into Executive’s possession, all at times and on schedules that are reasonably consistent with Executive’s other permitted activities and commitments). In the event the Company requires Executive’s cooperation in accordance with this
Section 8(b), the Company shall reimburse Executive for reasonable travel expenses (including, without limitation, travel expenses, lodging and meals, and reasonable attorneys’ fees upon submission of receipts). 

9. Survival. Sections 4 through 22 shall survive and continue in full force in accordance with their terms notwithstanding the
expiration or termination of the Employment Period. 
 10. Notices. Any notices provided for in this Agreement shall be in writing
and shall be effective when delivered in person or deposited in the United States mail, postage prepaid, and addressed to Executive at his last known address on the books of the Company or, in the case of the Company, to it at its principal place of
business, attention of the Chair of the Board, or to such other address as either party may specify by notice to the other actually received. 

11. Severability. Whenever possible, each provision of this Agreement will be interpreted in such manner as to be effective and valid
under applicable law, but if any provision of this Agreement is held to be invalid, illegal or unenforceable in any respect under any applicable law or rule in any jurisdiction, such invalidity, illegality or unenforceability will not affect any
other provision or any other jurisdiction, but this Agreement will be reformed, construed and enforced in such jurisdiction as if such invalid, illegal or unenforceable provision had never been contained herein. 

12. Complete Agreement. This Agreement, those documents expressly referred to herein and other documents of even date herewith, embody
the complete agreement and understanding among Executive and the Company and its Subsidiaries and, as of the Effective Date, shall supersede and preempt any prior understandings, agreements or representations by or among the parties, written or
oral, which may have related to the subject matter hereof in any way. 
 13. No Strict Construction. The language used in this
Agreement will be deemed to be the language chosen by the parties hereto to express their mutual intent, and no rule of strict construction will be applied against any party hereto. 

14. Counterparts. This Agreement may be executed in separate counterparts (including by facsimile or PDF signature pages), each of
which is deemed to be an original and all of which taken together constitute one and the same agreement. 
 15. Successors and
Assigns. This Agreement is intended to bind and inure to the benefit of and be enforceable by Executive and the Company or Parent and their respective successors and permitted assigns. Executive may not assign any of his rights or obligations
hereunder without the prior written consent of the Company. The Company may (a) assign any or all of its respective rights and interests hereunder to Parent or one or more Subsidiaries or Affiliates of Parent or the Company, (b) designate
one or more Subsidiaries or Affiliates of 

  
 -12- 

 
Parent or Company to perform its obligations hereunder (in any or all of which cases the Company nonetheless shall remain responsible for the performance of all of its obligations hereunder),
(c) assign its rights hereunder in connection with the sale of all or a substantial part of the business or assets of the Company or Parent or one of their Subsidiaries (whether by merger, sale of stock or assets, recapitalization or otherwise)
and (d) merge any of the Subsidiaries or Affiliates with or into the Company (or vice versa); provided, however, that the foregoing actions may provide Executive with Good Reason to terminate this Agreement. The rights of the Company hereunder
are enforceable by Parent or the Company Subsidiaries or Affiliates, which are the intended third party beneficiaries hereof and no other third party beneficiary is so otherwise intended. 

16. Delivery by Facsimile or PDF. This Agreement and any amendments hereto, to the extent signed and delivered by means of a facsimile
machine or PDF, shall be treated in all manner and respects as an original agreement or instrument and shall be considered to have the same binding legal effect as if it were the original signed version thereof delivered in person. At the request of
any party hereto, each other party hereto shall re-execute original forms thereof and deliver them to the other party. No party hereto shall raise the use of a facsimile machine or PDF to deliver a signature or the fact that any signature or
agreement or instrument was transmitted or communicated through the use of a facsimile machine or PDF as a defense to the formation or enforceability of a contract and each such party forever waives any such defense. 

17. Income Tax Treatment. Executive and the Company acknowledge that it is the intention of the Company to deduct all cash amounts paid
under this Agreement as ordinary and necessary business expenses for income tax purposes. Executive agrees and represents that he will treat all such non-reimbursable amounts as ordinary income for income tax purposes, and should he report such
amounts as other than ordinary income for income tax purposes, he will indemnify and hold the Company harmless from and against any and all taxes, penalties, interest, costs and expenses, including reasonable attorneys’ and accounting fees and
costs, which are incurred by Company directly or indirectly as a result thereof. 
 18. Governing Law. This Agreement shall be
construed and enforced in accordance with, and all questions concerning the construction, validity, interpretation and performance of this Agreement shall be governed by, the laws of the state in which Executive resides, without giving effect to
provisions thereof regarding conflict of laws. 
 19. Waiver of Jury Trial. THE PARTIES HERETO HEREBY WAIVE THEIR RESPECTIVE RIGHTS
TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT OF THIS AGREEMENT. THE PARTIES HERETO ALSO WAIVE ANY BOND OR SURETY OR SECURITY UPON SUCH BOND WHICH MIGHT, BUT FOR THIS WAIVER, BE REQUIRED OF THE OTHER PARTY. THE PARTIES
HERETO ACKNOWLEDGE THAT THIS WAIVER IS A MATERIAL INDUCEMENT TO ENTER INTO A BUSINESS RELATIONSHIP, THAT EACH HAS ALREADY RELIED ON THE WAIVER IN ENTERING INTO THIS AGREEMENT AND THAT EACH WILL CONTINUE TO RELY ON THE WAIVER IN THEIR RELATED FUTURE
DEALINGS. THE COMPANY AND EXECUTIVE FURTHER WARRANT AND REPRESENT THAT EACH HAS REVIEWED THIS WAIVER WITH THEIR RESPECTIVE LEGAL COUNSEL, AND THAT EACH KNOWINGLY AND VOLUNTARILY WAIVES THEIR RESPECTIVE

  
 -13- 

 
JURY TRIAL RIGHTS FOLLOWING CONSULTATION WITH LEGAL COUNSEL. THIS WAIVER IS IRREVOCABLE, MEANING THAT IT MAY NOT BE MODIFIED EITHER ORALLY OR IN WRITING, AND THE WAIVER SHALL APPLY TO ANY
SUBSEQUENT AMENDMENTS, RENEWALS, SUPPLEMENTS OR MODIFICATIONS TO THIS AGREEMENT OR TO ANY OTHER DOCUMENTS OR AGREEMENTS RELATING TO THE TRANSACTION CONTEMPLATED HEREBY. IN THE EVENT OF LITIGATION, THIS AGREEMENT MAY BE FILED AS A WRITTEN CONSENT TO
A TRIAL BY THE COURT. 
 20. Consent to Jurisdiction. 

(a) THE COMPANY AND EXECUTIVE HEREBY CONSENT TO THE JURISDICTION OF ANY STATE OR FEDERAL COURT LOCATED WITHIN THE STATE IN WHICH EXECUTIVE
RESIDES AND IRREVOCABLY AGREE THAT SUBJECT TO THE COMPANY’S ELECTION, ALL ACTIONS OR PROCEEDINGS ARISING OUT OF OR RELATING TO THIS AGREEMENT SHALL BE LITIGATED IN SUCH COURTS. EXECUTIVE ACCEPTS FOR HERSELF AND IN CONNECTION WITH HIS
PROPERTIES, GENERALLY AND UNCONDITIONALLY, THE NONEXCLUSIVE JURISDICTION OF THE AFORESAID COURTS AND WAIVES ANY DEFENSE OF FORUM NON CONVENIENS, AND IRREVOCABLY AGREES TO BE BOUND BY ANY JUDGMENT RENDERED THEREBY IN CONNECTION WITH THIS AGREEMENT.

 (b) Notwithstanding Section 20(a), the parties intend to and hereby confer jurisdiction to enforce the covenants contained in
Sections 5 through 7 upon the courts of any jurisdiction within the geographical scope of such covenants. If the courts of any one or more of such jurisdictions hold such covenants wholly or partially invalid or unenforceable by reason of the
breadth of such scope or otherwise, it is the intention of the parties that such determination not bar or in any way affect the Company’s right to the relief provided above in the courts of any other jurisdiction within the geographical scope
of such covenants, as to breaches of such covenants in such other respective jurisdictions, such covenants as they relate to each jurisdiction being, for this purpose, severable into diverse and independent covenants. 

21. Amendment and Waiver. Any provision of this Agreement may be amended or waived only with the prior written consent of the Company
and Executive, and no course of conduct or course of dealing or failure or delay by any party hereto in enforcing or exercising any of the provisions of this Agreement shall affect the validity, binding effect or enforceability of this Agreement or
be deemed to be an implied waiver of any provision of this Agreement. 
 22. Section 409A. To the maximum extent permitted by
law, this Agreement shall be interpreted in such a manner that the payments to Executive under this Agreement are either exempt from, or comply with, Section 409A, including without limitation any such regulations or other guidance that may be
issued after the date hereof. For purposes of Section 409A, each payment made under this Agreement shall be treated as a separate payment and the right to a series of installment payments under this Agreement is to be treated as a right to a
series of separate payments. Notwithstanding anything to the contrary in this Agreement, if Executive is a “specified employee” as defined below, as of Executive’s termination of employment, then, to the extent any payment under this
Agreement resulting from Executive’s termination of 

  
 -14- 

 
employment constitutes deferred compensation (after taking into account any applicable exemptions from Section 409A) and to the extent required by Section 409A, no payments due under
this Agreement as a result of Executive’s termination of employment may be made until the earlier of (a) the first day following the six-month anniversary of Executive’s date of termination and (b) Executive’s date of death;
provided, however, that any payments delayed during this six-month period shall be paid in the aggregate in a lump sum as soon as reasonably practicable following the sixth month anniversary of Executive’s date of termination. For purposes of
this Agreement, all references to “termination of employment” and correlative phrases shall be construed to require a “separation from service” (as defined in Treas. Reg. §1.409A-1(h) after giving effect to the presumptions
contained therein), and the term “specified employee” means an individual determined by the Company to be a specified employee under Treas. Reg. §409A-1(i). 

*    *    *    *    *    *   
 *    * 

  
 -15- 

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

			
	SURGERY PARTNERS, INC.
		
	By:	 	 /s/ Michael T. Doyle

		 	Michael T. Doyle
		 	Chief Executive Officer
	
	SYMBION, INC.
		
	By:	 	 /s/ Michael T. Doyle

		 	Michael T. Doyle
		 	Chief Executive Officer

  

			
	Accepted and Agreed:
	
	 /s/ John Crysel

	  
 John
Crysel

		
	Date:	 	 September 20, 2015

 Schedule 6(b) 

Prior Inventions 
 [If none
listed, none.]EX-10.17

 Exhibit 10.17 

SYMBION, INC. 
 SUPPLEMENTAL
EXECUTIVE RETIREMENT PLAN 
 EFFECTIVE MAY 1, 2005 

I. NAME AND PURPOSE 
 Symbion,
Inc. (the “Company”) desires to provide for deferred compensation for certain employees of the Company and its Affiliates. Accordingly, the Company has established this Symbion, Inc. Supplemental Executive Retirement Plan (the
“Plan”) to enable the Company to attract and retain persons of outstanding competence. This Plan is to be an unfunded plan of deferred compensation providing benefits on an individual account basis. This Plan is intended to cover a select
group of management or highly compensated employees, within the meaning of sections 201(2), 301(a) (3), and 401(a) (1) of ERISA, and is intended to be exempt from Parts 2, 3, and 4 of Title I of ERISA. The Plan shall continue indefinitely until
it is terminated by an amendment permissible under Section 7.3. 
 The Company intends that the Plan be established and operated in a
manner that is consistent with the requirements of section 409A of the Code so that compensation income is deferred until the time of inclusion that is elected or otherwise specified herein. The Plan shall be operated in compliance with section 409A
of the Code and Treasury Regulations promulgated thereunder. The Company intends to take such further actions that are required, desirable or appropriate to ensure compliance with section 409A of the Code, including the adoption of Plan amendments
to include features necessitated under the Code or Treasury Regulations. All elections made hereunder are subject to such amendment of the Plan that is required under section 409A of the Code. 

II. DEFINITIONS 
 When used in
this Plan, the following terms will have the meanings set forth below: 
 2.1 “Account” means the bookkeeping entry maintained on
the books of the Company to account for credits of deferred compensation and other amounts specified under Article III. The Account shall not be connected to any particular fund or asset. 

2.2 “Affiliate” means a subsidiary of the Company or any other business entity that is substantially owned or controlled by the
Company, directly or indirectly. 
 2.3 “Beneficiary” shall mean the individual or individuals designated pursuant to
Section 5.4. Provided, however, if a Participant is married at the time of death, the Participant’s spouse shall be the Beneficiary unless the spouse has consented in writing and in accordance with procedures established by the Committee
to the designation of another Beneficiary. 
 2.4 “Board” means the board of directors of the Company. 

2.5 “Change in Control” means a “Change in Control Event” as described in IRS Notice 2005-1 Q/A 11-14 and as may be
superseded by Treasury Regulations. 
 2.6 “Code” means the Internal Revenue Code of 1986, as amended. 

2.7 “Committee” means the compensation committee of the Board; provided, however, that the chief executive officer or secretary of
the Company are authorized to act on behalf of the Committee with respect to general actions that are necessary or appropriate for the administration of the Plan, but may not select individuals to participate in the Plan without the specific
direction or ratification of the Committee. The Committee may delegate some or all of its 

 
administrative authority to a person or committee. After the occurrence of a Change in Control, the members of the Committee shall continue to be the individuals who were Committee members
immediately prior to the Change in Control. 
 2.8 “Company” means Symbion, Inc. and its successors. 

2.9 “Contribution” means an amount that is credited to a Participant’s Account as the result of a Deferral election pursuant to
Section 3.2 or as the result of amounts credited by the Company pursuant to Section 3.3. A Contribution may, but need not, be represented by a deposit by the Company to a grantor trust or fund established by the Company to satisfy its
liabilities hereunder. 
 2.10 “Deferral” means a portion of a Participant’s compensation and/or bonus earned in a certain
period that a Participant has elected to receive a later date pursuant to the terms of this Plan. 
 2.11 “Disability” means a
condition that results in a Participant (i) being unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for
a continuous period of not less than 12 months, or (ii) by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12
months, receiving income replacement benefits for a period of not less than three months under any accident and health plan covering employees of the Participant’s employer. 

2.12 “ERISA” means the Employee Retirement Income Security Act of 1974, as amended. 

2.13 “Normal Retirement Date” means the date a Participant retires from the Company and has attained age 60. 

2.14 “Participant” means an individual who satisfies the eligibility requirements of Section 3.1 and who makes a Deferral
election pursuant to Section 3.2. 
 2.15 “Plan Year” means the 12 consecutive month period beginning on January 1 of
each year, provided that the initial Plan Year shall be the period from May 1, 2005 until December 31, 2005. 
 2.16 “Savings
Plan” means the Symbion 401(k) Retirement Savings Plan. 
 III. ELIGIBILITY AND BENEFIT ACCRUALS 

3.1 Eligibility. Eligibility for participation in the Plan is limited to employees of the Company and its Affiliates who are: (i) members
of a select group of management or highly compensated employees of the Company, within the meaning of sections 201(2), 301(a) (3), and 401(a) (1) of ERISA, and (ii) designated by the Committee to participate in this Plan. The designation
by the Committee shall be deemed to be irrebuttable evidence that such individual is for all purposes to be a member of a select group of management and highly compensated employees. 

3.2 Participant Deferral Elections. Eligible employees, as described in Section 3.1, may make Deferral elections after the determination
of their eligibility to participate in the Plan in accordance with the procedures described herein. 
 (a) An eligible
employee may make an annual election to defer the receipt of up to 25% of his or her annual base compensation that is paid through regular periodic payroll during each Plan Year. In addition, an eligible employee may defer the receipt of up to 50%
of any bonus to be paid with 

 
respect to such Plan Year (such bonus may be paid in the next succeeding Plan Year). The Deferral election shall only apply prospectively and is irrevocable during the applicable Plan Year. A
Participant’s Deferrals will be credited to his Account at the end of the month in which the amounts would otherwise be payable to the Participant. 

(b) The amount of a Deferral election described in Section 3.2(a) shall be stated either as a dollar amount or a
percentage of a Participant’s cash compensation. 
 (i) Unless otherwise specified in a Deferral election that is
authorized by the Committee, the Company shall withhold the amount elected pro rata from each payroll period while the election is in effect. An election with respect to a bonus may be expressed as a dollar amount, a percentage, or a percentage of a
Participant’s compensation over a dollar threshold (e.g., 10% over $50,000). 
 (ii) Deferrals will be withheld from a
Participant’s compensation in accordance with the Participant’s written Deferral elections but shall be subject to other tax withholdings, offsets and payroll deductions. 

(iii) Unless a Participant elects to make no Deferral, the minimum Deferral for a Plan Year is 2% of the Participant’s
cash compensation for the Plan Year. 
 (c) In addition to the Deferral described in Section 3.2(a), each Participant
may make a Deferral election to have that portion of his or her salary deferral contributions to the Savings Plan for the affected Plan Year that exceeds the Participants’ deferral limits under the Savings Plan (due to sections 401(a), 401(k),
or 402(g) of the Code), plus any earnings thereon, to be contributed to this Plan and credited to the Participant’s Account. 

(d) Generally, Deferral elections will be effective for the Plan Year that next follows the date of the election, unless a
later date is specified by the Participant. However, a Participant may make an election at any time within 30 days of the date that he or she first becomes eligible to participate in the Plan that will be effective at the time of eligibility. Unless
stated otherwise in a Deferral election that is authorized by the Committee, Deferral elections shall expire at the end of each Plan Year and a new Deferral election shall be required for each succeeding Plan Year. The failure to make a Deferral
election for any Plan Year by an Eligible employee shall be deemed to be an election to receive current cash compensation during the Plan Year. 

(e) All elections made pursuant to this Plan will be made in accordance with the procedures prescribed by the Committee, and
must be timely communicated to the Committee. 
 3.3 Company Contributions. Effective as of the last day of each Plan Year, the Company
shall make a Contribution that is credited to the Account of each Participant who made a Deferral election of at least 2% of base salary earned during such Plan Year and who was employed on the last day of the Plan Year (each an “Eligible
Participant” for purposes of this Section). The Company Contribution shall be at least 2% of the base salary (not including bonus or other compensation items) of each Eligible Participant. At its sole discretion, the Company may make additional
Contributions on behalf of Eligible Participants. 
 3.4 Earnings. Earnings, gains and losses shall be credited to each respective Account
in accordance with the investment experience of the investment funds that are designated for the Plan by the Committee. Such investment funds (e.g., mutual 

 
funds, pooled funds, corporate owned life insurance arrangements or any other arrangements, which may include fixed income funds) shall be selected and designated by the Committee from time to
time in its sole discretion. Participants may direct the investment of their Accounts in such investment funds in accordance with such procedures as the Committee may adopt from time to time. Each Participant’s Account shall be credited as of
each valuation date with income, gains or losses corresponding to the investment performance of the funds selected by that Participant. The sole purpose of the investment funds is to determine the appropriate earnings credit for Participants’
Accounts. Participants shall have no interest whatsoever in any investment fund or any asset thereof. The Company shall be under no duty to question any direction of a Participant with respect to the investment, retention or disposition of
investments selected by the Participant. The Company shall be under no liability for any loss of any kind which may result by reason of any action taken in accordance with the directions of the Participant, or by reason of any failure to act because
of the absence of any such directions. If a Participant gives no instructions with respect to the investment of his or her Account, the Committee shall determine earnings on the Participant’s Account pursuant to a default investment selected by
the Committee. 
 If the Committee does not designate one or more investment funds for the investment of Plan Accounts, Accounts shall
accrue earnings at a crediting rate established in the sole and absolute discretion of the Committee. 
 3.5 Vesting. The portion of a
Participant’s Account that is comprised of Deferrals is 100% vested and nonforfeitable at all times. In addition, upon termination of service as a result of Disability or death or following Normal Retirement Date or a Change in Control, a
Participant’s entire Account, including earnings, shall be 100% vested and nonforfeitable. Otherwise, upon termination of employment that does not occur as a result of Disability or death or follow Normal Retirement Date or a Change in Control,
a Participant shall forfeit all Company Contributions (without regard to earnings or losses thereon) that were made less than one year prior to the Participant’s termination of employment. 

IV. BENEFIT ELECTIONS AND DISTRIBUTIONS 

4.1 Commencement of Distribution. Subject to the approval of the Company, a Participant may elect in a Deferral election pursuant to
Section 3.2 for distributions to be paid upon Normal Retirement Date, termination of employment or a date specified in the election. Unless a Participant elects otherwise, distributions shall be made as soon as administratively feasible
following any termination of employment. 
 4.2 Form of Distribution. A Participant may elect in a Deferral election pursuant to
Section 3.2 for distributions to be paid in the form of a single sum or in annual installments over a period of no more than ten years. In the absence of such an election, distributions shall be made in a single sum. However, notwithstanding
any contrary election by a Participant, the Company may elect to immediately distribute any Account that is less than $10,000 when the Participant terminates employment. 

4.3 Election Modifications. A Participant may modify a prior distribution election made under this Article IV at any time that is at least 12
months prior to the date that a distribution is scheduled to commence; provided, however, commencement of the distribution must be deferred for a minimum of five years of the original distribution date. In addition, any such modification must comply
with the requirements of Section 409A of the Code and regulations and rulings issued thereunder. 
 4.4 Payments to Beneficiaries.
Should a Participant die prior to receiving a distribution of his entire Account balance, his remaining Account balance shall be paid in a single sum to his designated Beneficiary(ies) as soon as administratively feasible. 

 4.5 Right of Offset. The Company may offset from a Participant’s Account an amount for any
damages sustained by the Company or its Affiliates arising out of Participant’s fraud, theft, or embezzlement of assets owned by the Company or its Affiliates, or damages sustained by the Company or its Affiliates arising out of
Participant’s violation of any provision of any past, present, or future written agreement between the parties, including, but not limited to, the following covenants in any existing non-competition and/or non-disclosure agreement (as well as
their respective counterparts in any successor agreement between the parties): non-solicitation; non-competition; disclosure of confidential information; or proprietary rights and trade secrets. Any such offsets will reduce the value of the
Participant’s Account and reduce the amount of benefits otherwise payable to the Participant. 
 4.6 Financial Hardship. In the case of
an unforeseeable emergency, a Participant may apply to the Committee for withdrawal to the extent necessary to satisfy the emergency need. For purposes of this Plan, the term “unforeseeable emergency” shall mean a severe financial hardship
to the Participant resulting from an illness or accident of the Participant, the Participant’s spouse, or a dependent (as defined in section 152(a) of the Code) of the Participant, loss of the Participant’s property due to casualty, or
other similar extraordinary and unforeseeable circumstances arising as a result of events beyond the control of the Participant. 

(a) Withdrawals for an unforeseeable emergency may not exceed the amounts necessary to satisfy such emergency plus amounts
necessary to pay taxes reasonably anticipated as a result of the distribution, after taking into account the extent to which such hardship is or may be relieved through reimbursement or compensation by insurance or otherwise or by liquidation of the
Participant’s assets (to the extent the liquidation of such assets would not itself cause severe financial hardship). 

(b) The Committee shall have full and complete discretion to consider and make a determination concerning a request for a
hardship withdrawal. The Committee is also entitled to reasonably rely upon the representations of a Participant concerning his qualification for a hardship withdrawal. All decisions of the Committee shall be final, binding and conclusive. 

V. ADMINISTRATION 
 5.1
Administration Committee. This Plan shall be administered by the Committee. The Committee shall have full discretionary power and authority to interpret, construe and administer this Plan and the Committee’s interpretations and constructions
thereof, and actions thereunder, including the amount or recipient of the payment to be made from this Plan, shall be binding and conclusive on all persons for all purposes. 

5.2 Funding. All benefits payable hereunder shall be unfunded for purposes of section 83 of the Code and Title I of ERISA. The Plan
constitutes a merely promise by the Company to make benefit payments in the future. 
 (a) Except as described in this
Section, the Company may establish a trust (the “Trust”) as a reserve for the benefits payable hereunder and for the purposes stated in the Trust instrument. The Company shall be the grantor of the Trust and the Trust shall be established
for the benefit of the Participants herein and, in the case of the insolvency or bankruptcy of the Company, for the benefit of the general creditors of the Company. To the extent that the Participants’ benefits are not paid from the Trust, such
benefits shall be paid from the general assets of the Company. The 

 
Participants shall have no funded, secured, or preferential right to payment hereunder, but rather shall at all times have the status of a general unsecured creditor. 

(b) The Company, in its sole discretion, may contribute funds to the Trust in amounts it determines to be appropriate or
desirable but, prior to the time that a Change in Control is being considered by the officers, shareholders or directors of the Company, obligated to make any contribution to the Trust, may cease funding the Trust. 

(c) Coincident with or immediately prior to the occurrence of a Change in Control, the Company shall fully fund the Trust in an
amount that is adequate to pay all benefits due hereunder upon the Change in Control. 
 5.3 Claims Procedure. Prior to or upon becoming
entitled to receive a benefit hereunder, a Participant or his or her surviving spouse (“Claimant”) shall request payment of such benefits at the time and in the manner prescribed by the Committee. The Committee may direct payment of
benefits without requiring the filing of a claim therefore, if the Committee has knowledge of such Claimant’s whereabouts. The Committee shall provide adequate notice in writing as prescribed pursuant to paragraph (b) below to any Claimant
whose claim for benefits under the Plan has been denied. 
 (a) Such notice must be sent within 90 days of the date the claim
is received by the Committee unless special circumstances require an extension of time for processing the claim. Such extension shall not exceed 90 days and no extension shall be allowed unless, within the initial 90 day period, the Claimant is sent
an extension notice indicating the special circumstances requiring the extension and specifying a date by which the Committee expects to render its decision. 

(b) The Committee’s notice of denial to the Claimant shall set forth the following: 

(i) the specific reason or reasons for the denial; 

(ii) specific references to pertinent Plan provisions on which the Committee based its denial; 

(iii) a description of any additional material and information needed for the Claimant to perfect his or her claim and an
explanation of why the material or information is needed; 
 (iv) a statement that the Claimant may request a review upon
written application to the Committee, review pertinent Plan documents, and submit issues and comments in writing; 
 (v) a
statement that any appeal of the Committee’s adverse determination must be made in writing to the Committee within 60 days after receipt of the Committee’s notice of denial of benefits, and that failure to appeal the action to the
Committee in writing within the 60-day period will render the Committee’s determination final, binding, and conclusive; and 

(vi) the address of the Committee to which the Claimant may forward his or her appeal. 

(c) If the Claimant should appeal to the Committee, the Claimant or a duly authorized representative may submit, in writing,
whatever issues and comments the Claimant deems pertinent. The Committee shall re-examine all facts related to the appeal and make a final determination as to 

 
whether the denial of benefits is justified under the circumstances. The Committee shall advise the Claimant in writing of its decision on the appeal, the specific reasons for the decision, and
the specific Plan provisions on which the decision is based. The notice of the decision shall be given within 60 days of the Claimant’s written request for review, unless special circumstances (such as a hearing) would make the rendering of a
decision within the 60 day period infeasible, but in no event shall the Committee render a decision regarding the denial of a claim for benefits later than 120 days after its receipt of a request for review. If an extension of time for review is
required because of special circumstances, written notice of the extension shall be furnished to the claimant prior to the date the extension period commences. 

5.4 Designation of Beneficiaries. Each Participant shall designate in a writing prescribed by the Committee a Beneficiary(ies) and contingent
Beneficiary(ies) to whom benefits due hereunder shall be paid. If any Participant fails to designate a Beneficiary or if the designated Beneficiary predeceases the Participant, benefits due hereunder at that Participant’s death shall be paid to
his or her contingent Beneficiary or, if none, to the deceased Participant’s surviving spouse, if any, and if none, to the deceased Participant’s estate. A Participant may change a Beneficiary designation in writing in accordance with the
above procedures at any time prior to his death. 
 VI. MISCELLANEOUS 

6.1 Non-assignment of Interest. No right or interest to or in any payment or benefit to a Participant shall be assignable by such Participant
except by will or the laws of descent and distribution. No right, benefit or interest of a Participant hereunder shall be subject to anticipation, alienation, sale, assignment, encumbrance, charge, pledge, hypothecation or set-off in respect of any
claim, debt or obligation, or to execution, attachment, levy or similar process, or assignment by operation of law. Any attempt, voluntarily or involuntarily, to effect any action specified in the immediately preceding sentence shall, to the full
extent permitted by law, be null, void and of no effect; provided, however, that this provision shall not preclude a Participant from designating one or more Beneficiaries to receive any amount that may be payable to such Participant under the Plan
after his death and shall not preclude the legal representatives of the Participant’s estate from assigning any right hereunder to the person or persons entitled thereto under his will, or, in the case of intestacy, to the person or persons
entitled thereto under the laws of intestacy applicable to his estate. 
 6.2 Successors. This Plan shall be binding upon and inure to the
benefit of the Company, its successors and assigns and the Participants and their heirs, executors, administrators, and duly appointed legal representatives. 

6.3 Amendment and Termination. The Company may at any time modify or terminate this Plan by an amendment pursuant to an action that is
approved or by the Company, as evidenced in a writing that is executed by an appropriate officer or the Committee. An amendment to the Plan to effect a termination may, in the discretion of the Company, specify that all Accounts are fully vested.
Prior to the occurrence of a Change in Control, the Company may terminate the Plan and thereupon distribute all vested benefits accrued hereunder, and no further Contributions to the Plan will be permitted. Upon any other Plan termination, no
further Contributions to the Plan will be permitted, and distributions will be made in accordance with the distribution elections that were made by Participants in accordance with the terms of the Plan prior to its termination; provided that no
distributions may be postponed by a Participant after Plan termination. 

 6.4 Taxes. All payments made hereunder shall be subject to all taxes required to be withheld
under applicable laws and regulations of any governmental authorities in effect at the time of such payments. 
 6.5 Controlling Law. Except
to the extent superseded by federal law, the internal laws of the State of Tennessee shall be controlling in all matters relating to the Plan, including construction and performance hereof. 

IN WITNESS WHEREOF, Symbion, Inc. has caused this instrument to be executed by its duly authorized officer effective as of the date first
written above. 
  

			
	SYMBION, INC.
		
	 By:
	 	 /s/ R. Dale Kennedy

	 Its:
	 	Senior Vice President of
		 	Management Services

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