Document:

EX-10.2

 Exhibit 10.2 

EXECUTION VERSION 
 Fortress Value
Acquisition Corp. II 
 1345 Avenue of the Americas, 46th Floor 

New York, New York 10105 
 February 21, 2021 

 

	 	Re:	 Acquiror Sponsor Letter Agreement 

Ladies and Gentlemen: 
 This
letter agreement (this “Letter Agreement”) is being delivered to you in connection with that certain Agreement and Plan of Merger (the “Merger Agreement”), dated as of the date hereof, by and among Fortress Value
Acquisition Corp. II, a Delaware corporation (“Acquiror”), FVAC Merger Corp. II, a Delaware corporation and a direct, wholly-owned subsidiary of Acquiror (“Merger Sub”), and Wilco Holdco, Inc., a Delaware
corporation (the “Company”), and hereby amends and restates in its entirety that certain Letter Agreement, dated as of August 11, 2020, from Fortress Acquisition Sponsor II LLC (the “Sponsor”) and each of the
undersigned individuals, each of whom is a member of Acquiror’s board of directors and/or management team (each, an “Insider” and collectively, the “Insiders”) to Acquiror. Certain capitalized terms used herein
are defined in paragraph 11 hereof. Capitalized terms used but not otherwise defined herein shall have the respective meanings ascribed to such terms in the Merger Agreement. 

In order to induce the Company and Acquiror to enter into the Merger Agreement and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the Sponsor and each of the Insiders hereby severally (and not jointly and severally) unconditionally and irrevocably agree with Acquiror and, at all times prior to any valid termination of the Merger
Agreement, agree with the Company, as follows: 
 1. At any duly called meeting of the stockholders of Acquiror (or any adjournment or
postponement thereof), and in any action by written consent of the stockholders of Acquiror requested by Acquiror’s board of directors or undertaken as contemplated by the Transactions, the Sponsor and each such Insider shall: 

(a) if a meeting is held, appear at such meeting, in person or by proxy, or otherwise cause all of its, his or her Covered Shares to be counted
as present thereat for the purpose of establishing a quorum; 
 (b) vote (or execute and return an action by written consent), or cause to be
voted at such meeting (or validly execute and return and cause such consent to be granted with respect thereto), all of its, his or her Covered Shares: (x) in favor of each Transaction Proposal and any other matters necessary or reasonably
requested by Acquiror in connection with the Transactions, (y) against any action, proposal, transaction or agreement that would reasonably be expected to result in a breach of any representation, warranty, covenant, obligation or agreement of
Acquiror or Merger Sub contained in the Merger Agreement; and (z) against (1) any Alternative Business Combination or any proposal in opposition to approval of, or in competition with or inconsistent with, the Merger Agreement, and (2) (A) any
change in the present 
  

 capitalization of Acquiror or any amendment of Acquiror’s amended and restated certificate of
incorporation, dated as of August 11, 2020 (the “Certificate of Incorporation”), except to the extent expressly contemplated by the Merger Agreement (including the schedules thereto), (B) any liquidation, dissolution or other change
in Acquiror’s corporate structure or business, (C) any action, proposal, transaction or agreement that would result in a breach in any material respect of any covenant, representation or warranty or other obligation or agreement of the
Sponsor or such Insider under this Letter Agreement, and (D) any other action or proposal involving Acquiror or any of its Subsidiaries that is intended, or would reasonably be expected, to prevent, impede, interfere with, delay, postpone or
adversely affect the Transactions; and 
 (c) not redeem, elect to redeem or tender or submit any of the Covered Shares owned by it, him or
her for redemption in connection with such approval of the Transaction Proposals or the Transactions, or in connection with any vote to amend the Certificate of Incorporation. 

2. (a) In the event that Acquiror fails to consummate a Business Combination within 24 months from the closing of the Public Offering, or such
later period approved by Acquiror’s stockholders in accordance with the Certificate of Incorporation, the Sponsor and each Insider shall take all reasonable steps to cause Acquiror to: 

(i) cease all operations except for the purpose of winding up, 

(ii) as promptly as reasonably possible but not more than 10 business days thereafter, subject to lawfully available funds
therefor, redeem 100% of the Common Stock sold as part of the Units in the Public Offering (the “Offering Shares”), at a per-share price, payable in cash, equal to the aggregate amount then on
deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to Acquiror to pay its taxes (less up to $100,000 of interest to pay dissolution expenses), divided by the number of then
outstanding Offering Shares, which redemption will completely extinguish all Public Stockholders’ rights as stockholders (including the right to receive further liquidating distributions, if any); and 

(iii) as promptly as reasonably possible following such redemption, subject to the approval of Acquiror’s remaining
stockholders and Acquiror’s board of directors, dissolve and liquidate, subject in each case to Acquiror’s obligations under Delaware law to provide for claims of creditors and other requirements of other applicable law. 

(b) The Sponsor and each Insider shall not propose any amendment (i) to the Certificate of Incorporation that would affect the substance
or timing of Acquiror’s obligation to allow redemption in connection with Acquiror’s initial Business Combination or to redeem 100% of the Offering Shares if Acquiror does not complete a Business Combination within 24 months from the
closing of the Public Offering or (ii) with respect to any other provision of the Certificate of Incorporation relating to stockholders’ rights or activity prior to, and not in connection with, an initial Business Combination, unless
Acquiror provides its Public Stockholders with the opportunity to redeem their shares of Common Stock upon approval of any such amendment at a per-share price, payable in cash, equal to the aggregate amount
then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to Acquiror to pay its taxes, divided by the number of then outstanding Offering Shares. 

  
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 (c) The Sponsor and each Insider acknowledges that it, he or she has no right, title,
interest or claim of any kind in or to any monies held in the Trust Account or any other asset of Acquiror as a result of any liquidation of Acquiror with respect to the Founder Shares held by it, him or her. The Sponsor and each Insider hereby
further waives, with respect to any shares of Common Stock held by it, him or her, if any, any redemption rights it, he or she may have in connection with the consummation of a Business Combination, including, without limitation, any such rights
available in the context of a stockholder vote to approve such Business Combination or in the context of a tender offer made by Acquiror to purchase shares of Common Stock (although the Sponsor, the Insiders and their respective affiliates shall be
entitled to redemption and liquidation rights with respect to any Offering Shares they hold if Acquiror fails to consummate a Business Combination within 24 months from the date of the closing of the Public Offering). The Sponsor and each Insider
hereby further waives, with respect to any shares of Common Stock held by it, him or her, if any, any redemption rights it, he or she may have in connection with a stockholder vote to approve an amendment to the Certificate of Incorporation
(i) to modify the substance or timing of Acquiror’s obligation to allow redemption in connection with Acquiror’s initial Business Combination or to redeem 100% of the Offering Shares if Acquiror does not complete a Business
Combination within 24 months from the closing of the Public Offering or (ii) with respect to any other provision relating to stockholders’ rights or activity prior to, and not in connection with, an initial Business Combination. 

3. Notwithstanding the provisions set forth in paragraphs 7(a) and (b) below, during the period commencing on the effective date hereof
and ending on the earlier of (a) the valid termination of the Merger Agreement and (b) the Closing, the Sponsor and each Insider shall not, without the prior written consent of Acquiror and the Company, (i) sell, offer to sell,
contract or agree to sell, hypothecate, pledge, grant any option to purchase or otherwise dispose of or agree to dispose of, directly or indirectly, or establish or increase a put equivalent position or liquidate or decrease a call equivalent
position within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations of the Securities and Exchange Commission (the “Commission”)
promulgated thereunder, with respect to any Units, shares of Common Stock, Founder Shares, Private Placement Warrants, Public Warrants (together with the Private Placement Warrants, the “Warrants”) or any securities convertible
into, or exercisable, or exchangeable for, shares of Common Stock owned by it, him or her, (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any Units,
shares of Common Stock, Founder Shares, Private Placement Warrants, Public Warrants or any securities convertible into, or exercisable, or exchangeable for, shares of Common Stock owned by it, him or her, whether any such transaction is to be
settled by delivery of such securities, in cash or otherwise, or (iii) publicly announce any intention to effect any transaction, including the filing of a registration statement, specified in clause “(i)” or “(ii).” The
provisions of this paragraph will not apply (x) to 

  
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the transfer of Founder Shares to any independent director appointed or elected to Acquiror’s board of directors after the Public Offering or (y) if a release or waiver of the
restrictions set forth in this paragraph 3 is effected solely to permit a transfer not for consideration and, in each case the transferee has agreed in writing to be bound by the same terms described in this Letter Agreement to the extent and for
the duration that such terms remain in effect at the time of the transfer. In addition, the provisions of this paragraph will not in any way limit the ability of the Sponsor to enter into agreements with employees of the Sponsor or any of its
affiliates or employees of Fortress Investment Group LLC or any of its affiliates relating to the transfer of direct or indirect interests in the Founder Shares to such persons; provided that such transfer is not effected until the expiration
of the Founder Shares Lock-Up Period (as defined below), or admitting such persons as members of the Sponsor, as long as, to the extent any reporting obligation under Section 16 of the Exchange Act is
triggered as a result of such agreements, any related filing under Section 16 of the Exchange Act includes a practical explanation as to the nature of such agreement. 

4. In the event of the liquidation of the Trust Account, the Sponsor (which for purposes of clarification shall not extend to any other
stockholders, members or managers of the Sponsor) agrees to indemnify and hold harmless Acquiror against any and all loss, liability, claim, damage and expense whatsoever (including, but not limited to, any and all legal or other expenses reasonably
incurred in investigating, preparing or defending against any litigation, whether pending or threatened, or any claim whatsoever) to which Acquiror may become subject as a result of any claim by (a) any third party for services rendered (other
than Acquiror’s independent public accountants) or products sold to Acquiror or (b) a prospective target business with which Acquiror has discussed entering into a transaction agreement (a “Target”); provided,
however, that such indemnification of Acquiror by the Sponsor shall apply only to the extent necessary to ensure that such claims by a third party for services rendered (other than Acquiror’s independent public accountants) or products
sold to Acquiror or a Target do not reduce the amount of funds in the Trust Account to below (i) $10.00 per Offering Share or (ii) such lesser amount per Offering Share held in the Trust Account due to reductions in the value of the trust
assets as of the date of the liquidation of the Trust Account, in each case, net of the amount of interest earned on the property in the Trust Account which may be withdrawn to pay its taxes, except as to any claims by a third party (including a
Target) who executed a waiver of any and all rights to seek access to the Trust Account and except as to any claims under Acquiror’s indemnity of the Public Offering underwriters against certain liabilities, including liabilities under the
Securities Act of 1933, as amended. In the event that any such executed waiver is deemed to be unenforceable against such third party, the Sponsor shall not be responsible to the extent of any liability for such third party claims. The Sponsor shall
have the right to defend against any such claim with counsel of its choice reasonably satisfactory to Acquiror if, within 15 days following written receipt of notice of the claim to the Sponsor, the Sponsor notifies Acquiror in writing that it shall
undertake such defense. For the avoidance of doubt, none of Acquiror’s officers or directors will indemnify Acquiror for claims by third parties, including, without limitation, claims by vendors and prospective target businesses. 

  
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 5. The Sponsor and each Insider hereby agrees and acknowledges that: 

(a) the Public Offering underwriters would be irreparably injured in the event of a breach by such Sponsor or Insider of its, his or her
obligations under paragraphs 1, 2, 3, 4, 7(a), 7(b) and 9, as applicable, of this Letter Agreement; 
 (b) the Company and Acquiror would be
irreparably injured in the event of a breach by such Sponsor or Insider of its, his or her obligations under paragraphs 1, 2, 3, 4, 6, 7, 9 and 13, as applicable, of this Letter Agreement; 

(c) monetary damages may not be an adequate remedy for such breach; 

(d) the non-breaching party shall be entitled to injunctive relief, in addition to any other remedy
that such party may have in law or in equity, in the event of such breach; and 
 (e) all of the obligations of the Sponsor and Insiders are
for the benefit of, and enforceable solely by, Acquiror and the Company. 
 6. The Sponsor hereby agrees that, subject to, and conditioned
upon, the Closing, and effective as of immediately prior to the Closing, the Sponsor shall automatically be deemed to irrevocably transfer and surrender to Acquiror for no consideration 2,966,667 Private Placement Warrants, and that from such time
such Private Placement Warrants shall be deemed to be cancelled and no longer outstanding. Each of the Sponsor and Acquiror shall take all reasonably necessary actions required to reflect the surrender and forfeiture of such Private Placement
Warrants as of immediately prior to the Closing in the books and records of Acquiror’s transfer agent and warrant agent. 
 7. (a)
Notwithstanding the provisions set forth in paragraph 3, in the event: 
 (i) the Closing does not occur for any reason
(including, without limitation, as a result of the valid termination of the Merger Agreement), Sponsor and each Insider shall not Transfer any Founder Shares (or shares of Common Stock issuable upon conversion thereof) until the earliest to occur of
(x) one year after the completion of Acquiror’s initial Business Combination; (y) subsequent to the Business Combination, if the last reported sale price of the shares of Common Stock equals or exceeds $12.00 per share (as adjusted
for stock splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after Acquiror’s initial Business
Combination; and (z) the date following the completion of Acquiror’s initial Business Combination on which Acquiror completes a liquidation, merger, stock exchange, reorganization or other similar transaction that results in all of
Acquiror’s Public Stockholders having the right to exchange their shares of common stock for cash, securities or other property; and 

(ii) the Closing does occur, the Sponsor and each Insider shall not Transfer any Founder Shares (or shares of Common Stock
issuable upon conversion thereof) until the earliest to occur of: (x) 180 days after the Closing; and (y) the date following the Closing on which Acquiror completes a liquidation, merger, stock exchange, reorganization or other similar
transaction that results in all of Acquiror’s Public Stockholders having the right to exchange their shares of common stock for cash, securities or other property (such period in clause “(i)” or “(ii)” of this paragraph
7(a), the “Founder Shares Lock-up Period”). 

  
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 (b) The Sponsor and each Insider shall not Transfer any Private Placement Warrants (or
shares of Common Stock issued or issuable upon the conversion of the Private Placement Warrants), until 30 days after the completion of Acquiror’s initial Business Combination (the “Private Placement Warrants Lock-up Period”, together with the Founder Shares Lock-up Period, the “Lock-up Periods”). 

(c) Notwithstanding the provisions set forth in paragraphs 3, 7(a) and 7(b), but subject to the provisions of paragraph 7(d), Transfers of the
Founder Shares, Private Placement Warrants and shares of Capital Stock issued or issuable upon the exchange, exercise or conversion of the Private Placement Warrants or the Founder Shares and that are held by the Sponsor, Insider or any of their
permitted transferees (that have complied with this paragraph 7(c)), are permitted: (i) to Acquiror’s officers or directors, any affiliates or family members of any of Acquiror’s officers or directors, any members of the Sponsor, any
affiliates of the Sponsor, which, for the avoidance of doubt, will include funds, or affiliates of funds, managed by affiliates of Fortress Investment Group LLC, or any members or employees of the Sponsor’s affiliates; (ii) in the case of
an individual, by gift to a member of the individual’s immediate family, to a trust, the beneficiary of which is a member of the individual’s immediate family or an affiliate of such person, or to a charitable organization; (iii) in
the case of an individual, by virtue of laws of descent and distribution upon death of the individual; (iv) in the case of an individual, pursuant to a qualified domestic relations order; (v) by private sales or transfers made in
connection with the consummation of a Business Combination at prices no greater than the price at which the securities were originally purchased; (vi) transfers in the event of Acquiror’s liquidation prior to the completion of an initial
Business Combination; (vii) by virtue of the laws of the State of Delaware or the Sponsor’s limited liability company agreement upon dissolution of the Sponsor; and (viii) in the event of Acquiror’s liquidation, merger, capital
stock exchange, reorganization or other similar transaction which results in all of Acquiror’s stockholders having the right to exchange their shares of Common Stock for cash, securities or other property subsequent to the completion of
Acquiror’s initial Business Combination; provided, however, that in the case of clauses (i) through (v), any such permitted transferee must enter into a written agreement agreeing to be bound by the restrictions herein. 

(d) Vesting Provisions for Founder Shares. As of the Closing, all of the Founder Shares and shares of Common Stock issued or issuable
upon the exercise or conversion of the Founder Shares (the “Vesting Shares”) shall be unvested and shall be subject to the vesting and forfeiture provisions set forth in this paragraph 7(d). The Sponsor and each of the Insiders
shall not (and will cause its respective affiliates not to) directly Transfer any unvested Founder Shares or shares of Common Stock issued or issuable upon the exercise or conversion of the unvested Founder Shares prior to the later of (x) the
expiration of the Founder Shares Lock-up Period and (y) the date such Founder Shares, shares of Common Stock or Private Placement 

  
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Warrants become vested pursuant to this paragraph 7(d); provided that clause “(x)” above shall not restrict any Transfers by the Sponsor prior to the expiration of the Founder
Shares Lock-up Period to the persons described in clause (i) or clause (ii) of paragraph 7(c) so long as such persons have entered into a written agreement to be bound by the restrictions herein.

 (i) Vesting of Shares. 

(1) 33.33% of the Vesting Shares beneficially owned by Sponsor and each of the Insiders shall vest at such time as a $12.00 Common Share Price
is achieved on or before the date that is ten years after the Closing Date (the period from the consummation of Acquiror’s initial Business Combination through such date, the “Vesting Period”). 

(2) 33.33% of the Vesting Shares beneficially owned by Sponsor and each of the Insiders shall vest at such time as a $14.00 Common Share Price
is achieved during the Vesting Period. 
 (3) 33.34% of the Vesting Shares beneficially owned by Sponsor and each of the Insiders shall vest
at such time as a $16.00 Common Share Price is achieved during the Vesting Period. 
 (4) Holders of Vesting Shares subject to the vesting
provisions of this paragraph 7(c) shall be entitled to vote such Vesting Shares and receive dividends and other distributions with respect to such Vesting Shares prior to vesting; provided, that dividends and other distributions with respect
to Vesting Shares that are subject to performance vesting pursuant to paragraph 7(c)(i) shall be set aside by Acquiror and shall be paid to such holders upon the vesting of such Vesting Shares (if at all). 

(ii) Acceleration of Vesting upon a Change of Control. Notwithstanding the foregoing, if during the Vesting Period there
is an Acceleration Event (as defined in the Merger Agreement) , then immediately prior to the consummation of the applicable Change of Control (as defined in the Merger Agreement), all Vesting Shares that were eligible to vest pursuant to paragraph
7(d)(i) and remain unvested, if any, shall vest on the day immediately preceding the closing of such Change of Control. To the extent the consideration paid for each share of Common Stock in such Change of Control includes contingent consideration
or property other than cash, Acquiror’s board of directors shall determine, in good faith, the value of the purchase consideration paid for each share of Common Stock in such Acquiror Sale and any equitable adjustment required in respect of any
unvested Vesting Shares. For the avoidance of doubt, following a transaction or business combination that is not a “Change of Control,” including a transaction or business combination in which the equity securities of the surviving entity
of such business combination or other transaction are registered under the Exchange Act and listed or quoted for trading on a national securities exchange, the equitable adjustment provisions of paragraph 17 shall apply, including, without
limitation, to the performance vesting criteria set forth in paragraph 7(d)(i). 

  
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 (iii) Forfeiture of Unvested Founder Shares. Vesting Shares that
remain unvested on the first Business Day after the Vesting Period shall be forfeited immediately and shall be surrendered by Sponsor or the applicable Insider to Acquiror, without any consideration for such Transfer. 

(iv) Waiver of Conversion Ratio Adjustment. (A) Section 4.3(b)(i) of the Certificate of Incorporation provides
that each Founder Share shall automatically convert into one share of Common Stock (the “Initial Conversion Ratio”) at the time of the Business Combination, and (B) Section 4.3(b)(ii) of the Certificate of Incorporation
provides that the Initial Conversion Ratio shall be adjusted (the “Adjustment”) in the event that additional shares of Common Stock are issued in excess of the amounts offered in Acquiror’s initial public offering of
securities. As of and conditioned upon the Closing, the Sponsor and each Insider hereby irrevocably relinquishes and waives any and all rights the Sponsor and each Insider has or will have under Section 4.3(b)(ii) of the Certificate of
Incorporation to receive shares of Common Stock in excess of the number issuable at the Initial Conversion Ratio upon conversion of the existing Founder Shares held by him, her or it, as applicable, in connection with the Closing as a result of any
Adjustment. To the extent the Sponsor or any Insider receives any shares of Common Stock as a result of any Adjustment in connection with the Closing, it, he or she shall promptly surrender such shares for cancelation, and no consideration shall be
payable in connection therewith. 
 (v) Successors and Assigns. If, during the Vesting Period, Acquiror, the Company
or any of their respective successors or assigns consolidates with or merges into any other Person (including in connection with a Change of Control) and shall not be the continuing or surviving corporation or entity of such consolidation or merger
or transfers or conveys all or substantially all of its properties and assets to any Person, then, and in each case, Acquiror and the Company shall ensure that proper provision shall be made so that the successors and assigns of Acquiror or the
Company, as the case may be, shall succeed to the obligations set forth in this paragraph 7, provided however, that the foregoing shall not limit Acquiror or the Company from consummating any Change of Control or entering into an agreement that
contemplates a Change of Control. 
 8. The Sponsor and each Insider represents and warrants that (a) it, he or she has never been
suspended or expelled from membership in any securities or commodities exchange or association or had a securities or commodities license or registration denied, suspended or revoked and (b) it, he or she has full right and power, without
violating any Contract to which it, he or she is bound, to enter into this Letter Agreement. Each Insider’s biographical information furnished to Acquiror (including any such information included in the Prospectus) is true and accurate in all
respects and does not omit any material information with respect to such Insider’s background. The Sponsor’s and each Insider’s questionnaire furnished to Acquiror is true and accurate in all respects. The Sponsor and each Insider
represents and warrants that: it, he or she 

  
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is not subject to or a respondent in any legal action for, any injunction, cease-and-desist order or order or
stipulation to desist or refrain from any act or practice relating to the offering of securities in any jurisdiction; it, he or she has never been convicted of, or pleaded guilty to, any crime (i) involving fraud, (ii) relating to any
financial transaction or handling of funds of another person, or (iii) pertaining to any dealings in any securities and it, he or she is not currently a defendant in any such criminal proceeding. 

9. Except as disclosed in the Prospectus, neither the Sponsor nor any Insider nor any affiliate of the Sponsor or any Insider, nor any director
or officer of Acquiror shall receive from Acquiror any finder’s fee, reimbursement, consulting fee, monies in respect of any repayment of a loan or other compensation prior to, or in connection with any services rendered in order to effectuate
the consummation of Acquiror’s initial Business Combination, including the Transactions, other than the following, none of which will be made from the proceeds held in the Trust Account prior to the completion of the initial Business
Combination, including the Transactions and each of which shall, as of and in connection with the Closing, be paid off in full and no further liabilities or obligations in respect thereof shall be due and owing by Acquiror or the Company or any of
its Subsidiaries from and after the Closing: repayment of a loan and advances of up to an aggregate of $300,000 made to Acquiror by the Sponsor to cover offering related and organizational expenses; payment to an affiliate of the Sponsor for office
space, administrative support services for a total of $20,000 per month; reimbursement for any out-of-pocket expenses related to identifying, investigating and
consummating an initial Business Combination, and repayment of loans, if any, and on such terms as to be determined by Acquiror from time to time, made by the Sponsor or any of Acquiror’s officers or directors to finance transaction costs in
connection with an intended initial Business Combination, provided, that, if Acquiror does not consummate an initial Business Combination, a portion of the working capital held outside the Trust Account may be used by Acquiror to repay such
loaned amounts so long as no proceeds from the Trust Account are used for such repayment; provided, further, that in the event the Merger Agreement is terminated in accordance with its terms, up to $1,500,000 of such loans may be convertible
into warrants of a post-Combination entity (other than in connection with the Transactions) at a price of $1.50 per warrant at the option of the lender, with such warrants to be identical to the Private Placement Warrants. 

10. The Sponsor and each Insider has full right and power, without violating any agreement to which it, he or she is bound (including, without
limitation, any non-competition or non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement and, as applicable, to serve as
a director on Acquiror’s board of directors. 

  
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 11. As used herein, the following terms shall have the respective meanings set forth below:

 (a) “beneficially own,” “beneficial ownership” and “beneficial owner” shall have the meaning ascribed
to it in Section 13(d) of the Exchange Act. 
 (b) “Business Combination” shall mean a merger, capital stock exchange,
asset acquisition, stock purchase, reorganization or similar business combination, involving Acquiror and one or more businesses. 
 (c)
“Capital Stock” shall mean, collectively, the Common Stock and the Founder Shares. 
 (d) “Common Stock”
shall mean Acquiror’s Class A common stock, par value $0.0001 per share. 
 (e) “Covered Shares” shall mean, in
respect of any Sponsor or Insider, all shares of Capital Stock owned (beneficially or of record) by such Sponsor or Insider as of the date hereof, together with any additional shares of Common Stock or Founder Shares (or any securities convertible
into or exercisable or exchangeable for Common Stock or Founder Shares) in which such Sponsor or Insider acquires record or beneficial ownership after the date hereof, including by purchase, as a result of a stock dividend, stock split,
recapitalization, combination, reclassification, exchange or change of such shares, or upon exchange, exercise or conversion of any such securities. 

(f) “Founder Shares” shall mean the 8,625,000 shares of Acquiror’s Class F common stock, par value $0.0001 per
share, initially issued to the Sponsor for an aggregate purchase price of $25,000, or approximately $0.003 per share, prior to the consummation of the Public Offering. 

(g) “Private Placement Warrants” shall mean the warrants to purchase up to 5,933,333 shares of Common Stock of Acquiror that
the Sponsor purchased for an aggregate purchase price of $8,900,000 in the aggregate, or $1.50 per warrant, in a private placement that occurred substantially concurrently with the consummation of the Public Offering. 

(h) “Prospectus” shall mean the registration statement on Form S-1 and prospectus
filed by Acquiror with the Commission in connection with the Public Offering. 
 (i) “Public Offering” shall mean the
underwritten initial public offering of 34,500,000 of Acquiror’s units (the “Units”), including the issuance of 4,500,000 Units as a result of Acquiror underwriters’ exercise of their over-allotment option in full, each
comprised of one share of Common Stock and one-fifth of one warrant. 
 (j) “Public
Stockholders” shall mean the holders of securities issued in the Public Offering. 
 (k) “Transfer” shall mean the
(a) sale or assignment of, offer to sell, contract or agreement to sell, hypothecate, pledge, grant of any option to purchase or otherwise dispose of or agreement to dispose of, directly or indirectly, or establishment or increase of a put
equivalent position or liquidation with respect to or decrease of a call equivalent position within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended and the rules and

  
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regulations of the Commission promulgated thereunder with respect to, any security, (b) entry into any swap or other arrangement that transfers to another, in whole or in part, any of the
economic consequences of ownership of any security, whether any such transaction is to be settled by delivery of such securities, in cash or otherwise, or (c) public announcement of any intention to effect any transaction specified in clause
(a) or (b) above. 
 12. This Letter Agreement and the other agreements referenced herein constitutes the entire agreement and
understanding of the parties hereto in respect of the subject matter hereof and supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or oral, to the extent they relate in any way to the subject
matter hereof or the transactions contemplated hereby. This Letter Agreement may not be changed, amended, modified or waived (other than to correct a typographical error) as to any particular provision, except by a written instrument executed by all
parties hereto. 
 13. No party hereto may assign either this Letter Agreement or any of its rights, interests, or obligations hereunder
without the prior written consent of the other parties and the Company (except that, following any valid termination of the Merger Agreement, no consent from the Company shall be required). Any purported assignment in violation of this paragraph
shall be void and ineffectual and shall not operate to transfer or assign any interest or title to the purported assignee. This Letter Agreement shall be binding on the Company, Acquiror, Sponsor and each Insider and their respective successors,
heirs and assigns and permitted transferees. 
 14. This Letter Agreement shall be governed by and construed and enforced in accordance with
the laws of the State of New York, without giving effect to conflicts of law principles that would result in the application of the substantive laws of another jurisdiction. The parties hereto (i) all agree that any action, proceeding, claim or
dispute arising out of, or relating in any way to, this Letter Agreement shall be brought and enforced in the courts of New York City, in the State of New York, and irrevocably submit to such jurisdiction and venue, which jurisdiction and venue
shall be exclusive and (ii) waive any objection to such exclusive jurisdiction and venue or that such courts represent an inconvenient forum. 

15. Any notice, consent or request to be given in connection with any of the terms or provisions of this Letter Agreement shall be in writing
and shall be sent by express mail or similar private courier service, by certified mail (return receipt requested), by hand delivery or facsimile transmission. 

16. This Letter Agreement shall terminate on the earlier of (i) the latest of (x) the expiration of the Lock-up Periods or (y) the vesting in full and delivery of all Vesting Shares, or (ii) the liquidation of Acquiror; provided, however, that paragraph 4 of this Letter Agreement shall survive such
liquidation for a period of six years. No such termination shall relieve the Sponsor, the Insiders or Acquiror from any liability resulting from a breach of this Letter Agreement occurring prior to such termination. 

  
 11 

 17. If, and as often as, there are any changes in Acquiror, the Founder Shares or Common
Stock by way of stock split, stock dividend, combination or reclassification, or through merger, consolidation, reorganization, recapitalization or business combination, or by any other means, equitable adjustment shall be made to the provisions of
this Letter Agreement as may be required so that the rights, privileges, duties and obligations hereunder shall continue with respect to Acquiror, Acquiror’s successor or the surviving entity of such transaction, the Founder Shares or Common
Stock, each as so changed. For the avoidance of doubt, such equitable adjustment shall be made to the applicable Common Share Price set forth in paragraph 7(d). 

18. Each of the Sponsor and the Insiders hereby represents and warrants (severally and not jointly as to itself, himself or herself only) to
Acquiror and the Company as follows: 
 (a) if such Person is not an individual, it is duly organized, validly existing and in good standing
under the laws of the jurisdiction in which it is incorporated, formed, organized or constituted, and the execution, delivery and performance of this Letter Agreement and the consummation of the transactions contemplated hereby are within such
Person’s corporate, limited liability company or organizational powers and have been duly authorized by all necessary corporate, limited liability company or organizational actions on the part of such Person; 

(b) if such Person is an individual, such Person has full legal capacity, right and authority to execute and deliver this Letter Agreement and
to perform his or her obligations hereunder; 
 (c) this Letter Agreement has been duly executed and delivered by such Person and, assuming
due authorization, execution and delivery by the other parties to this Letter Agreement, this Letter Agreement constitutes a legally valid and binding obligation of such Person, enforceable against such Person in accordance with the terms hereof
(except as enforceability may be limited by bankruptcy Laws, other similar Laws affecting creditors’ rights and general principles of equity affecting the availability of specific performance and other equitable remedies); 

(d) the execution and delivery of this Letter Agreement by such Person does not, and the performance by such Person of his, her or its
obligations hereunder will not, (i) if such Person is not an individual, conflict with or result in a violation of the organizational documents of such Person, or (ii) require any consent or approval that has not been given or other action
that has not been taken by any third party (including under any Contract binding upon such Person or such Person’s Founder Shares or Private Placement Warrants, as applicable), in each case, to the extent such consent, approval or other action
would prevent, enjoin or materially delay the performance by such Person of its, his or her obligations under this Letter Agreement; 
 (e)
there are no Actions pending against such Person or, to the knowledge of such Person, threatened against such Person, before (or, in the case of threatened Actions, that would be before) any arbitrator or any Governmental Authority, which in any
manner challenges or seeks to prevent, enjoin or materially delay the performance by such Person of its, his or her obligations under this Letter Agreement; 

  
 12 

 (f) such Person has had the opportunity to read the Merger Agreement and this Sponsor
Agreement and has had the opportunity to consult with its tax and legal advisors; 
 (g) except as otherwise described in this Letter
Agreement, such Person has the direct or indirect interest in all of its, his or her Common Stock, Warrants and Founder Shares (including, with respect to the Sponsor, the Private Placement Warrants), such Person has good title to all such Common
Stock, Warrants and Founder Shares (including, with respect to the Sponsor, the Private Placement Warrants), there exist no Liens or any other limitation or restriction (including, without limitation, any restriction on the right to vote, sell or
otherwise dispose of such securities) affecting any such securities, other than pursuant to (i) this Letter Agreement, (ii) the Certificate of Incorporation, (iii) the Merger Agreement, (iv) the Existing Registration Rights
Agreement, or (v) any applicable securities Laws; and 
 (h) the securities listed on Annex A are the only securities in Acquiror
(including, without limitation, any securities convertible into, or which can be exercised or exchanged for, equity securities of Acquiror) owned of record or beneficially owned by such Person as of the date hereof and such Person has the sole power
to dispose of (or sole power to cause the disposition of) and the sole power to vote (or sole power to direct the voting of) such securities and none of such securities is subject to any proxy, voting trust or other agreement or arrangement with
respect to the voting of such securities, except as provided in this Letter Agreement. 
 19. The Sponsor hereby represents and warrants to
Acquiror and the Company that, other than Deutsche Bank Securities Inc., BofA Securities, Inc., Morgan Stanley, Barclays Capital Inc. and Citibank Global Markets Inc., no financial advisor, investment banker, broker, finder or other similar
intermediary is entitled to any fee or commission from Sponsor or any of its affiliates in connection with the Merger Agreement or this Letter Agreement or any of the respective transactions contemplated thereby and hereby, in each case, based upon
any arrangement or agreement made by or, to the knowledge of Sponsor, for which Acquiror, the Company or any of their respective affiliates (other than, in the case of Acquiror, Sponsor) would have any obligations or liabilities of any kind or
nature. 
 20. The Sponsor and each Insider hereby agrees to supplement Annex A from time to time to the extent that the Sponsor or
any Insider acquires additional securities in Acquiror. 
 21. By executing this Letter Agreement, each of the Insiders who is a member of
the Acquiror’s board of directors (other than Andrew McKnight) hereby resigns from all director and committee positions at Acquiror and any of its subsidiaries without the need for acceptance or further action by any party effective as of, and
contingent upon, the Effective Time (or such other time as may be mutually agreed in writing by Acquiror and the Company). 
 [Signature
Page Follows] 
  

  
 13 

 
			
	Sincerely,
	
	SPONSOR:
	
	FORTRESS ACQUISITION SPONSOR II LLC
		
	By:	 	 /s/ Alexander P. Gillette

		 	Name: Alexander P. Gillette
		 	Title: Secretary
		
	By:	 	 /s/ Joshua A. Pack

		 	Name: Joshua A. Pack
		
	By:	 	 /s/ Andrew A. McKnight

		 	Name: Andrew A. McKnight
		
	By:	 	 /s/ Daniel N. Bass

		 	Name: Daniel N. Bass
		
	By:	 	 /s/ Micah B. Kaplan

		 	Name: Micah B. Kaplan
		
	By:	 	 /s/ Alexander P. Gillette

		 	Name: Alexander P. Gillette
		
	By:	 	 /s/ Marc Furstein

		 	Name: Marc Furstein
		
	By:	 	 /s/ Leslee Cowen

		 	Name: Leslee Cowen
		
	By:	 	 /s/ Aaron F. Hood

		 	Name: Aaron F. Hood

 [Signature Page to Letter Agreement] 

 
			
	By:	 	 /s/ Carmen A. Policy

		 	Name: Carmen A. Policy
		
	By:	 	 /s/ Rakefet Russak-Aminoach

		 	Name: Rakefet Russak-Aminoach
		
	By:	 	 /s/ Sunil Gulati

		 	Name: Sunil Gulati

 [Signature Page to Letter Agreement] 

			
	Acknowledged and Agreed:
	
	ACQUIROR:
	
	FORTRESS VALUE ACQUISITION CORP. II
		
	By:	 	 /s/ Alexander P. Gillette

		 	Name: Alexander P. Gillette
		 	Title: General Counsel

 [Signature Page to Letter Agreement] 

 

			
	Acknowledged and Agreed:
	
	COMPANY:
	
	WILCO HOLDCO, INC.
		
	By:	 	 /s/ Labeed Diab

		 	Name: Labeed Diab
		 	Title:   Chief Executive Officer

 [Signature Page to Letter Agreement] 

 Annex A 

Beneficial Ownership 
  

																	
	 Name
	  	Class A
Common
Stock1	 	  	Class F
Common
Stock2	 	  	Public
Warrants3	 	  	Private
Placement
Warrants4	 
	 Fortress Acquisition Sponsor II LLC5
	  	 	—  	 	  	 	8,525,000	 	  	 	—  	 	  	 	5,933,333	 
	 Joshua A. Pack
	  	 	10,000	 	  	 	—  	 	  	 	2,000	 	  	 	—  	 
	 Andrew A. McKnight
	  	 	30,000	 	  	 	—  	 	  	 	6,000	 	  	 	—  	 
	 Daniel N. Bass
	  	 	5,000	 	  	 	—  	 	  	 	1,000	 	  	 	—  	 
	 Alexander P. Gillette
	  	 	5,000	 	  	 	—  	 	  	 	1,000	 	  	 	—  	 
	 Marc Furstein
	  	 	30,000	 	  	 	—  	 	  	 	6,000	 	  	 	—  	 
	 Aaron F. Hood
	  	 	—  	 	  	 	25,000	 	  	 	—  	 	  	 	—  	 
	 Carmen A. Policy
	  	 	—  	 	  	 	25,000	 	  	 	—  	 	  	 	—  	 
	 Rakefet Russak-Aminoach
	  	 	—  	 	  	 	25,000	 	  	 	—  	 	  	 	—  	 
	 Sunil Gulati
	  	 	—  	 	  	 	25,000	 	  	 	—  	 	  	 	—  	 

  

	1 	 Class A Common Stock, par value $0.0001. 

	2 	 Class F Common Stock, par value $0.0001. 

	3 	 Warrants are for the purchase of one share of Class A Common Stock, par value $0.0001, at an exercise
price of $11.50 per share. 

	4 	 Warrants are for the purchase of one share of Class A Common Stock, par value $0.0001, at an exercise
price of $11.50 per share. 

	5 	 Joint filing entity: Principal Holdings I LP.EX-10.3

 Exhibit 10.3 

EXECUTED VERSION 

STOCKHOLDERS AGREEMENT 

THIS STOCKHOLDERS AGREEMENT (this “Agreement”) is made as of the 21st day of February, 2021, and shall be effective as
of the Effective Time, by and among Fortress Value Acquisition Corp. II, a Delaware corporation (the “Company”), and each of the investors listed on Schedule A hereto and any additional investor that becomes a party to this
Agreement in accordance with Section 4.1. 
 RECITALS 

WHEREAS, the Company and Wilco Holdco, Inc., a Delaware corporation (“Legacy ATI”), are party to that certain
Agreement and Plan of Merger, dated as of February 21, 2021 (as it may be amended, supplemented, restated or otherwise modified from time to time, the “Merger Agreement”), by and among the Company, Legacy ATI, and FVAC Merger
Corp. II, a Delaware corporation and a wholly owned subsidiary of the Company (“Merger Sub”), pursuant to which Merger Sub will merge with and into Legacy ATI, with Legacy ATI being the surviving entity and a wholly-owned subsidiary
of the Company (the “Merger”); 
 WHEREAS, as a result of the consummation of the transactions contemplated by the
Merger Agreement, the Advent Stockholders will become stockholders of the Company and will cease to be stockholders of Legacy ATI; and 

WHEREAS, contemporaneously with the execution and delivery of the Merger Agreement, the parties hereto desire to enter into this
Agreement, to be effective upon the Effective Time. 
 NOW, THEREFORE, in consideration of the foregoing, and the
mutual agreements and understandings set forth herein, and for other good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the parties hereto, intending to be legally bound, hereby agree as follows: 

1. Definitions. For purposes of this Agreement: 

“Advent Director” shall mean an individual elected to the Board of Directors that has been designated, nominated or appointed
by the Advent Stockholders pursuant to this Agreement. For the avoidance of doubt, the “Advent Designated Directors” shall be deemed to have been designated, nominated or appointed, as applicable, by the Advent Stockholders pursuant
to this Agreement. 
 “Advent Stockholders” shall mean the Advent Stockholders listed on Schedule A, together with
their respective successors and any Permitted Transferee that becomes a party hereto pursuant to Section 4.1. 

“Affiliate” shall mean, with respect to any specified Person, any other Person who, directly or indirectly,
controls, is controlled by, or is under common control with such Person, including any general partner, managing member, officer or director of such Person or any venture capital fund now or hereafter existing that is controlled by one or more
general partners or managing 

  
 1 

 
members of, or shares the same management company with, such Person; provided, that “Affiliate” with respect to the Advent Stockholders shall not include the Company or
its Subsidiaries. As used in this definition, the term “control” shall mean the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of a Person, whether through the ownership of
voting securities, by contract or otherwise. 
 “Applicable Governance Rules” means applicable federal and state securities
Law and the rules of the NYSE relating to the Board and the corporate governance of the Company, including, without limitation, Rule 10A-3 of the Exchange Act and Rule 303A of the NYSE Listed Company Manual.

 “Beneficially Own” shall have the meaning set forth in Rule 13d-3 of the rules
and regulations under the Exchange Act. For the avoidance of doubt, the beneficial ownership of the Advent Stockholders shall be aggregated together along with the beneficial ownership of their Affiliates. 

“Certificate of Incorporation” shall mean the Acquiror A&R Charter (as defined in the Merger Agreement) as in effect upon
the Filing and thereafter from time to time amended in accordance with the terms hereof and thereof and pursuant to applicable Law. 

“Common Stock” shall mean Class A Common Stock, par value $0.0001 per share, of the Company. 

“Company Shares” shall mean shares of Common Stock and any securities or rights convertible into, or exercisable or
exchangeable for (in each case, directly or indirectly), shares of Common Stock, including options and warrants. 
 “Disqualified
Director” means any Person prohibited or disqualified from serving as a Director of the Company pursuant to any rule or regulation of the SEC or the rules of the securities exchange on which the Company’s securities are listed or by
applicable Law. 
 “Director” shall mean a member of the Board of Directors of the Company. 

“Effective Time” shall have the meaning set forth in the Merger Agreement. 

“Exchange Act” shall mean the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated
thereunder. 
 “Filing” shall mean the filing of the Certificate of Incorporation with the Secretary of State of the State
of Delaware. 
 “Governmental Authority” means any federal, state, provincial, municipal or local government, governmental
authority, regulatory or administrative agency, governmental commission, department, board, bureau, agency or instrumentality, arbitrator, court or tribunal of (a) the United States or (b) any state, commonwealth, province, territory or
possession of the United States and any political subdivision thereof (including counties and municipalities). 

  
 2 

 “Governmental Order” means any ruling, order, judgment, injunction, edict,
decree, writ, stipulation, determination or award, in each case, entered by or with any Governmental Authority. 
 “Independent
Director” means a Director who is, as of the date of such Director’s election or appointment and as of any other date on which the determination is being made, an NYSE Independent Director and an SEC Independent Director. 

“Law” means any common law, statutes, constitution, treaty, resolutions, rules, codes, regulations, ordinances, restrictions
or Governmental Orders of, or issued by, a Governmental Authority. 
 “Majority Advent Stockholders” means the affirmative
vote of the Advent Stockholders who hold a number of Company Shares representing more than fifty percent (50%) of the aggregate number of Company Shares held by the Advent Stockholders. 

“Necessary Action” shall mean, with respect to a specified result, all actions (to the extent such actions are permitted by
Law, within such party’s control and do not conflict with the terms of this Agreement) reasonably necessary to cause such result, including (a) voting or providing a written consent or proxy with respect to the Company Shares,
(b) causing the adoption of stockholders’ resolutions and amendments to the Certificate of Incorporation, (c) executing agreements and instruments, (d) causing the members of the Board of Directors to take such actions (to the
extent allowed by Delaware Law) and/or (e) making, or causing to be made, with governmental, administrative or regulatory authorities, all filings, registrations, publications or similar actions that are required to achieve such result.

“NYSE Independent Director” means a Director who qualifies, as of the date of such Director’s election or appointment to
the Board of Directors and as of any other date on which the determination is being made, as an “Independent Director” under the listing requirements of the NYSE, as amended from time to time, as determined by the Board of Directors
without the vote of such Director. 
 “Permitted Transferee” shall mean, with respect to any Person, (a) any Affiliate
of such Person, (b) with respect to any Person that is an investment fund, vehicle or similar entity, (i) any other investment fund, vehicle or similar entity of which such Person or an Affiliate, advisor or manager of such Person serves
as the general partner, manager or advisor and (ii) any direct or indirect limited partner or investor in such investment fund, vehicle or similar entity or any direct or indirect limited partner or investor in any other investment fund,
vehicle or similar entity of which such Person or an Affiliate, advisor or manager of such Person serves as the general partner, manager or advisor (provided, however, that in no event shall any “portfolio companies” (as such
term is customarily used in the private equity industry) of any such Person or any entity that is controlled by a “portfolio company” of any such Person constitute a Permitted Transferee) and (c) in the case of any Person who is an
individual, (i) any successor by death or (ii) any trust, partnership, limited liability company or similar entity solely for the benefit of such individual or such individual’s spouse or lineal descendants, provided that such
individual acts as trustee, general partner or managing member and retains the sole power to direct the voting and disposition of the transferred Company Shares. 

  
 3 

 “Person” shall mean any individual, corporation, partnership, trust,
limited liability company, association or other entity. 
 “SEC” means the United States Securities and Exchange Commission.

 “SEC Independent Director” means a Director who qualifies, as of the date of such Director’s election or
appointment to the Board of Directors and as of any other date on which the determination is being made, as an “Independent Director” under Rule 10A-3 under the Exchange Act, as determined by the
Board of Directors without the vote of such Director. 
 “Securities Act” shall mean the Securities Act of 1933, as
amended, and the rules and regulations promulgated thereunder. 
 “Subsidiary” means, with respect to a Person, any
corporation or other organization (including a limited liability company or a partnership), whether incorporated or unincorporated, of which such Person directly or indirectly owns or controls a majority of the securities or other interests having
by their terms ordinary voting power to elect a majority of the board of directors or others performing similar functions with respect to such corporation or other organization or any organization of which such Person or any of its Subsidiaries is,
directly or indirectly, a general partner or managing member. 
 2. Board of Directors. 

2.1 The Company shall take all Necessary Action such that as of the Effective Time: 

(a) the size of the Board of Directors shall be set at eight Directors; 

(b) the members of the Board of Directors shall be constituted as follows: (i) the seven individuals identified on Schedule B as
Advent Designated Directors (the “Advent Designated Directors”), at least five of whom shall (A) not be Affiliates of the Advent Stockholders or any other holder of equity interests of Legacy ATI immediately prior to the
Effective Time, and (B) be Independent Directors; and (ii) the individual identified on Schedule B as the Additional Designated Director (the “Additional Designated Director,” and together with the Advent Designated
Directors, the “Designated Directors”); provided, however, that, if the Additional Designated Director qualifies as an Independent Director, only four of the seven Advent Designated Directors must be persons satisfying
the criteria described in subclauses “(A)” and “(B)” of clause “(i)” of this Section 2.1(b); 

(c) one of the Advent Designated Directors shall serve as Chairman of the Board of Directors, who shall initially be the individual identified
on Schedule B as the Chairman of the Board of Directors; 
 (d) three Advent Designated Directors shall be appointed as
Class III Directors as set forth on Schedule B with terms ending at the third Annual Meeting of Stockholders following the Effective Time; 

  
 4 

 (e) two Advent Designated Directors shall be appointed as Class II Directors as set
forth on Schedule B with terms ending at the second Annual Meeting of Stockholders following the Effective Time; and 
 (f) two
Advent Designated Directors and the Additional Designated Director as set forth on Schedule B shall be appointed as Class I Directors with terms ending at the first Annual Meeting of Stockholders following the Effective Time. 

2.2 (a) Following the Effective Time, the Advent Stockholders shall be entitled to designate for nomination to the Board of Directors a number
of persons (the “Advent Nominees”) (and such persons shall be included in any proxy statement prepared by the Company in connection with soliciting proxies for any meeting of the stockholders of the Company called with respect to
the election of Directors, and at any adjournment or postponement thereof (the “Company Proxy Statement”), and on any action or approval of the stockholders of the Company with respect to the election of Directors), based on
(x) the number of continuing Advent Directors on the Board of Directors following the applicable action, and (y) the aggregate number of Company Shares held by the Advent Stockholders as of the date of receipt of the Company Notice
provided in accordance with Section 2.2(b). The number of Advent Nominees that the Advent Stockholders shall be entitled to designate for nomination to the Board of Directors shall be as follows: 

(i) if, as of the date of receipt of the Company Notice provided by the Company in accordance with
Section 2.2(b), the aggregate number of Company Shares held by the Advent Stockholders is equal to or greater than 50% of the outstanding Company Shares, such number of Advent Nominees to ensure that, following the
applicable action, the Board of Directors includes at least five Advent Directors; 
 (ii) if, as of the date of receipt of
the Company Notice provided by the Company in accordance with Section 2.2(b), the aggregate number of Company Shares held by the Advent Stockholders is less than 50% and equal to or greater than 38% of the outstanding
Company Shares, such number of Advent Nominees to ensure that, following the applicable action, the Board of Directors includes at least four Advent Directors; 

(iii) if, as of the date of receipt of the Company Notice provided by the Company in accordance with
Section 2.2(b), the aggregate number of Company Shares held by the Advent Stockholders is less than 38% and equal to or greater than 26% of the outstanding Company Shares, such number of Advent Nominees to ensure that,
following the applicable action, the Board of Directors includes at least three Advent Directors; 
 (iv) if, as of the date
of receipt of the Company Notice provided by the Company in accordance with Section 2.2(b), the aggregate number of Company Shares held by the Advent Stockholders is less than 26% and equal to or greater than 13% of the
outstanding Company Shares, such number of Advent Nominees to ensure that, following the applicable action, the Board of Directors includes at least two Advent Directors; 

  
 5 

 (v) if, as of the date of receipt of the Company Notice provided by the
Company in accordance with Section 2.2(b), the aggregate number of Company Shares held by the Advent Stockholders is less than 13% and equal to or greater than 5% of the outstanding Company Shares, such number of Advent
Nominees to ensure that, following the applicable action, the Board of Directors includes at least one Advent Director; and 

(vi) if, as of the date of receipt of the Company Notice provided by the Company in accordance with
Section 2.2(b), the aggregate number of Company Shares held by the Advent Stockholders is less than 5% of the outstanding Company Shares, Advent Stockholders shall not be entitled to designate any Advent Nominees to the
Board of Directors. 
 (b) The Company shall provide the Advent Stockholders with written notice of the date on which the Company expects to
file any Company Proxy Statement pursuant to which action to elect Directors is to be taken (the “Company Notice”) at least 30 days prior to such filing date. The Advent Stockholders shall designate the Advent Nominees for
nomination to the Board of Directors by giving written notice to the Company setting forth the name and address of the Advent Nominee promptly following receipt of the Company Notice, and in any event, within 10 business days following receipt of
the Company Notice. 
 (c) Subject to Section 2.2(d), the Company shall take all Necessary Action to (i) (x)
ensure that each of the Advent Nominees that are properly nominated pursuant to this Section 2.2 are included in the nominees to the Board of Directors on each slate of nominees for election of Directors proposed by the
Board of Directors and (y) recommend the election of the Advent Nominees that are properly nominated pursuant to this Section 2.2 to the stockholders of the Company; and (ii) ensure that each of the Advent
Nominees that are properly nominated pursuant to this Section 2.2 is included as a nominee to the Board of Directors in any Company Proxy Statement, and on every action or approval by written resolution of the stockholders
of the Company or the Board of Directors with respect to the election of Directors, as applicable. 
 (d) Any nominated Director shall be
subject to customary due diligence process, including a review of a completed questionnaire and a customary background check. Based on the foregoing, the Company may reasonably object to any such nominee within 15 days of receiving such completed
questionnaire and background check authorization, (i) provided it does so in good faith and (ii) solely to the extent such objection is based upon any of the following: (A) such nominee was convicted in a criminal proceeding
(excluding traffic violations and other minor offenses); or (B) such nominee was the subject of any order, judgment or decree not subsequently reversed, suspended or vacated of any court of competent jurisdiction or any administrative body
(including the SEC), permanently or temporarily enjoining, or otherwise limiting in a material way, such proposed Director from engaging in any business activity as a result of any violation by such proposed Director of federal or state securities
Laws. In the event the Board of Directors reasonably finds any such nominee to be unsuitable based upon one or more of the foregoing clauses “(A)” or “(B)” and reasonably objects to such nominated Director, the

  
 6 

 
Advent Stockholders that nominated such Director shall be entitled to propose a different nominee to the Board of Directors within 15 days of the Company’s notice to the Advent
Stockholders of its objection to such nominee and such replacement nominee shall be subject to the review process outlined in this Section 2.2(d). The Advent Stockholders shall not nominate a Disqualified Director. 

2.3 Board Size. For so long as the Advent Stockholders shall have the right to designate an Advent Nominee, the Company shall not,
directly or indirectly, without the prior written consent of the Majority Advent Stockholders, increase the size of the Board of Directors in excess of eight members. In the event that the size of the Board of Directors is increased, the number of
Advent Nominees that the Advent Stockholders shall be entitled to designate for nomination to the Board of Directors set forth in Section 2.2 shall be proportionately adjusted to provide the same effect as contemplated by
such Section 2.2 prior to such action. 
 2.4 Removal; Resignation. Any Director may resign at any time upon
written notice to the Company. If the Advent Stockholders notify the Company that the Advent Stockholders desire to remove an Advent Director with cause, then such Director shall be removed from the Board of Directors and the Company shall take all
Necessary Action to cause such removal of such Director. 
 2.5 Vacancies. In the event that a vacancy is created on the Board of
Directors at any time by the death, disability, retirement, resignation or removal of any Advent Director, each party shall take all Necessary Action to elect or appoint an Advent Designated Director to replace the Advent Director whose death,
disability, retirement, resignation or removal resulted in such vacancy on the Board of Directors. Notwithstanding anything to the contrary, the director position for such Advent Director shall not be filled pending such designation and appointment,
unless the Advent Stockholders fail to designate an Advent Nominee for more than 15 days, after which the Company may appoint a successor Director until the Advent Stockholders make such designation. 

2.6 Expenses. The Company shall cause the Advent Directors to be reimbursed for all reasonable out-of-pocket expenses incurred in connection with their attendance at meetings of the Board of Directors and any committees thereof, including travel, lodging and meal expenses. 

2.7 Committees of the Board. Immediately following the Effective Time, the Company shall establish and, following the Effective Time,
maintain, in accordance with the Bylaws, an audit committee, a compensation committee, a compliance committee and a nominating and corporate governance committee. The committees shall have such duties and responsibilities as are customary for such
committees, subject to the provisions of this Agreement and Applicable Governance Rules, and shall be composed as follows:  

(a) The audit committee shall consist of three Independent Directors (at least one of whom shall satisfy the “audit committee financial
expert” requirements as such term is defined by Item 407(d)(5) of Regulation S-K). The members of the audit committee shall be determined by the Board of Directors (upon the recommendation of the
nominating and corporate governance committee); provided, that the Company shall take all Necessary Action such that the audit committee members and the audit committee chairperson immediately following the

  
 7 

 
Effective Time shall be as set forth on Schedule B; provided, further, that the Board of Directors shall, (i) for so long as there are two or more Advent Directors on the Board
of Directors, take all necessary steps to cause at least a majority of the members of the audit committee to be composed of Advent Directors, unless such designation would violate any legal restriction on such committee’s composition or
Applicable Governance Rules and (ii) for so long as there is one Advent Director, take all necessary steps to cause the Advent Director to be appointed as a member of the audit committee unless such designation would violate any legal
restriction on such committee’s composition or Applicable Governance Rules. 
 (b) The compensation committee shall consist of three
Directors. The members of the compensation committee shall be determined by the Board of Directors (upon the recommendation of the nominating and corporate governance committee); provided, that the Company shall take all Necessary Action such
that the compensation committee members and the compensation committee chairperson immediately following the Effective Time shall be as set forth on Schedule B shall be; provided, further, that the Board of Directors shall,
(i) for so long as there are two or more Advent Directors on the Board of Directors, take all necessary steps to cause at least a majority of the members of the compensation committee to be composed of Advent Directors, unless such designation
would violate any legal restriction on such committee’s composition or Applicable Governance Rules, and (ii) for so long as there is one Advent Director, take all necessary steps to cause the Advent Director to be appointed as a member of
the compensation committee unless such designation would violate any legal restriction on such committee’s composition or Applicable Governance Rules. 

(c) The compliance committee shall consist of three Directors. The members of the compliance committee shall be determined by the Board of
Directors (upon the recommendation of the nominating and corporate governance committee); provided, that the Company shall take all Necessary Action such that the compliance committee members and the compliance committee chairperson
immediately following the Effective Time shall be as set forth on Schedule B; provided, further, that the Board of Directors shall, (i) for so long as there are two or more Advent Directors on the Board of Directors, take all
necessary steps to cause at least a majority of the members of the compliance committee to be composed of Advent Directors, unless such designation would violate any legal restriction on such committee’s composition or Applicable Governance
Rules and (ii) for so long as there is one Advent Director, take all necessary steps to cause the Advent Director to be appointed as a member of the compliance committee unless such designation would violate any legal restriction on such
committee’s composition or Applicable Governance Rules. 
 (d) The nominating and corporate governance committee shall consist of three
Directors. The members of the nominating and corporate governance committee shall be determined by the Board of Directors; provided, that the Company shall take all Necessary Action such that the nominating and corporate governance committee
members and the nominating and corporate governance committee chairperson immediately following the Effective Time shall be as set forth on Schedule B; provided, further, that the Board of Directors shall, (i) for so long as there
are two or more Advent Directors on the Board of Directors, take all necessary steps to cause at least a majority of the members of the nominating and corporate governance committee to be composed of Advent Directors, unless such designation would
violate any legal restriction on such committee’s composition or Applicable Governance Rules and (ii) for so long as there is one Advent Director, take all necessary steps to cause the Advent Director to be appointed as a member of the
nominating and corporate governance committee unless such designation would violate any legal restriction on such committee’s composition or Applicable Governance Rules. 

  
 8 

 (e) To the extent that the Board of Directors forms any other committees of the Board of
Directors, then such members shall be determined by the Board of Directors (upon the recommendation of the nominating and governance committee); provided, that the Board of Directors shall, (i) for so long as there are two or more Advent
Directors, take all necessary steps to cause at least a majority of the members of such committee to be composed of Advent Directors, unless such designation would violate any legal restriction on such committee’s composition or Applicable
Governance Rules and (ii) for so long as there is one Advent Director, take all necessary steps to cause the Advent Director to be appointed as a member of such committee unless such designation would violate any legal restriction on such
committee’s composition or Applicable Governance Rules. 
 2.8 D&O Insurance. The Company shall obtain directors’ and
officers’ liability insurance that shall be effective as of the Effective Time and will cover the directors and officers of the Company (including the Directors) and its Subsidiaries at and after the date hereof in an amount and upon terms
typical and reasonable for a directors’ and officers’ liability insurance policy for a company whose equity is listed on the NYSE. The directors’ and officers’ liability insurance policy shall have a scope of coverage terms and
limits that are reasonably appropriate for a company of similar characteristics (including the line of business, market capitalization and revenues) as the Company and its Subsidiaries. 

3. Right to Conduct Activities. The Company expressly acknowledges and agrees that: (a) the Advent Stockholders and each Advent
Director who is an employee of an Advent Stockholder or any Affiliate thereof shall have the right to, and shall have no duty (contractual or otherwise) not to, directly or indirectly, engage in the same or similar business activities or lines of
business as the Company or its Subsidiaries, including those deemed to be competing with the Company or its Subsidiaries; and (b) in the event that an Advent Stockholder or any Advent Director or any of their respective Affiliates acquires
knowledge of a potential transaction or matter that may be a corporate opportunity for both the Company or its Subsidiaries and such Advent Stockholder, Advent Director or any other Person, the Advent Stockholder, Advent Director or Affiliate
thereof, as applicable, shall have no duty (contractual or otherwise) to communicate or present such corporate opportunity to the Company or its Subsidiaries, as the case may be, and, notwithstanding any provision of this Agreement to the contrary,
shall not be liable to the Company or its Subsidiaries or their respective Affiliates or equityholders for breach of any duty (contractual or otherwise) by reason of the fact that such Advent Stockholder, Advent Director or Affiliate, as applicable,
directly or indirectly, pursues or acquires such opportunity for itself, directs such opportunity to another Person, or does not present such opportunity to the Company or its Subsidiaries, unless, in the case of this clause “(b),” such
potential transaction or matter that may be a corporate opportunity is expressly offered or presented to, acquired, created or developed by, or otherwise comes into the possession of, an Advent Director in his or her capacity as a Director or
through his or her services to, or pursuant to a contract with, the Company or any of its Subsidiaries; provided, that the Advent Stockholders and each Advent Director shall not use any confidential information of the Company or its
Subsidiaries for any purpose in connection with any of the foregoing. 

  
 9 

 4. Miscellaneous. 

4.1 Successors and Assigns. No party shall assign this Agreement or any part hereof without the prior written consent of the other
parties; provided, however, that the rights under this Agreement may be assigned (but only with all related obligations) by an Advent Stockholder to a Permitted Transferee of such Advent Stockholder; provided, that (a) the
Company is, within a reasonable time after such transfer, furnished with written notice of the name and address of such Permitted Transferee and the Company Shares with respect to which such rights are being transferred and (b) such Permitted
Transferee agrees in a written instrument delivered to the Company to be bound by and subject to the terms and conditions of this Agreement. The terms and conditions of this Agreement inure to the benefit of and are binding upon the respective
successors and permitted assignees of the parties. Nothing in this Agreement, express or implied, is intended to confer upon any party other than the parties hereto or their respective successors and permitted assignees any rights, remedies,
obligations or liabilities under or by reason of this Agreement, except as expressly provided herein. 
 4.2 Effectiveness;
Termination. This Agreement shall not be effective until the Effective Time. In the event the Merger Agreement is terminated in accordance with its terms, this Agreement shall automatically terminate and be of no further force or effect. In
addition, this Agreement shall terminate and be of no further force and effect upon the earlier of (a) the written agreement to terminate this Agreement of the Company and the Advent Stockholders who, as of the date of such written agreement,
hold the majority of the Company Shares held by all Advent Stockholders and (b) the date on which the Advent Stockholders no longer hold Company Shares; provided, however, that such termination shall not release any party of any
liability for any breach of this Agreement occurring prior to such termination. 
 4.3 Governing Law. This Agreement, and all claims
or causes of action (whether in contract, tort or otherwise) based upon, arising out of, or related to this Agreement or the transactions contemplated hereby, shall be governed by, and construed in accordance with, the Laws of the State of Delaware,
without giving effect to principles or rules of conflict of laws to the extent such principles or rules would require or permit the application of Laws of another jurisdiction. 

4.4 Consent to Jurisdiction. In any action between any of the parties arising out of or relating to this Agreement or any of the
transactions contemplated hereby, each of the parties: (a) irrevocably and unconditionally consents and submits to the exclusive jurisdiction and venue of the Court of Chancery of the State of Delaware, or in the event (but only in the event)
that such court does not have subject matter jurisdiction over such action or proceeding, in any state court of Delaware (unless the federal courts have exclusive jurisdiction over the matter, in which case each of the Parties irrevocably and
unconditionally consents and submits to the jurisdiction of the United States District Court for the District of Delaware); (b) agrees that it will not attempt to deny or defeat such jurisdiction by motion or other request for leave from such court;
and (c) agrees that it will not bring any such action in any court other than such courts. Service of any process, summons, notice or document to any party’s address and in the manner set forth in Section 4.7
shall be effective service of process for any such action. Each of the parties agrees that the mailing of process or other papers in connection with any action or proceeding in the manner provided in Section 4.7 or such
other manner as may be permitted by requirement of Law shall be valid and 

  
 10 

 
sufficient service of process. Notwithstanding the foregoing in this Section 4.4, a party may commence any action or proceeding in a court other than the above-named
courts solely for the purpose of enforcing an order or judgment issued by one of the above-named courts. Each party hereto further waives any claim and will not assert that venue should properly lie in any other location within the selected
jurisdiction. 
 4.5 Waiver of Jury Trial. TO THE EXTENT PERMITTED BY LAW, EACH PARTY HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY
WAIVES (AND SHALL CAUSE ITS SUBSIDIARIES AND AFFILIATES TO WAIVE) THE RIGHT TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION BASED HEREON, ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS AGREEMENT OR THE TRANSACTIONS OR ANY COURSE OF CONDUCT, COURSE
OF DEALINGS, STATEMENTS (WHETHER VERBAL OR WRITTEN) OR ACTIONS OF ANY PARTY IN CONNECTION HEREWITH. EACH PARTY ACKNOWLEDGES THAT THIS WAIVER IS A MATERIAL INDUCEMENT FOR THE OTHER PARTIES TO ENTER INTO THIS AGREEMENT. 

4.6 Captions; Counterparts. The captions in this Agreement are for convenience only and shall not be considered a part of or affect the
construction or interpretation of any provision of this Agreement. This Agreement may be executed in multiple counterparts, each of which when executed and delivered shall thereby be deemed to be an original and all of which taken together shall
constitute one and the same instrument. Any party may deliver signed counterparts of this Agreement to the other parties by means of facsimile, portable document format (.PDF) signature or electronic transmission. 

4.7 Notices. To be valid for purposes hereof, any notice, request, demand, waiver, consent or approval (any of the foregoing, a
“Notice”) that is required hereunder shall be in writing. A Notice shall be deemed given only as follows: (a) on the date delivered personally or by email (provided that the
email is not bounced back); (b) three business days after it is sent by registered or certified mail, return receipt requested, postage prepaid, or (c) one business day following deposit with a nationally recognized overnight courier service
for next day delivery, charges prepaid, and, in each case, addressed to the intended recipient as set forth below: 
 If to the Company
(prior to the Effective Time): 
 Fortress Value Acquisition Corp. II 

1345 Avenue of the Americas 

46th Floor 
 New York, New York

 Attention: Alexander Gillette 

E-mail:     agillette@fortress.com 

  
 11 

 with a copy (which will not constitute notice) to: 

Skadden, Arps, Slate, Meagher & Flom LLP 

One Manhattan West 
 New York,
New York 10001 
 Attention: Joseph A. Coco 

Blair T. Thetford 

Email:      Joseph.Coco@skadden.com 

Blair.Thetford@skadden.com 

If to Legacy ATI (and, following the Effective Time, the Company): 

ATI Physical Therapy 
 790
Remington Blvd. 
 Bolingbrook, Illinois 60440 

Attention: Diana M. Chafey 

Email:      diana.chafey@atipt.com 

with a copy (which shall not constitute notice) to: 

Weil, Gotshal & Manges LLP 

100 Federal Street, 34th Floor 

Boston, Massachusetts 02110 

Attention: Marilyn French Shaw 

Email:       MarilynFrench.Shaw@weil.com 

Weil, Gotshal & Manges LLP 

200 Crescent Court, Suite 300 

Dallas, Texas 75201 
 Attention:
James R. Griffin 
 Email:      James.Griffin@weil.com 

If to an Advent Stockholder, to the address set forth below such Advent Stockholder’s name on Schedule A hereto. Any party may
change the address to which notices, requests, demands, claims, and other communications hereunder are to be delivered by providing Notice to the other parties. 

4.8 Amendments and Waivers. This Agreement may be amended or modified in whole or in part only by a duly authorized agreement in writing
duly executed by the Company and the Advent Stockholders that then hold Company Shares that makes reference to this Agreement; provided, however, that Schedule A to this Agreement may be amended at any time by the Company to add
as a party hereto any Person that acquires any Company Shares in compliance with the terms of this Agreement and executes a supplemental signature page. No waivers of or exceptions to any term, condition, or provision of this Agreement, in any one
or more instances, shall be deemed to be or construed as a further or continuing waiver of any such term, condition, or provision. 

  
 12 

 4.9 Severability. If any term or other provision of this Agreement is invalid,
illegal or incapable of being enforced by any rule of Law, or public policy, all other provisions of this Agreement shall nevertheless remain in full force and effect so long as the economic or legal substance of the transactions contemplated hereby
is not affected in any manner materially adverse to any party. Upon determination by a court of competent jurisdiction that any term or other provision is invalid, illegal or incapable of being enforced, the parties hereto shall negotiate in good
faith to modify this Agreement so as to effect the original intent of the parties as closely as possible in a mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the fullest
extent possible. 
 4.10 Conflict with Certificate of Incorporation. In the event of a conflict between the Certificate of
Incorporation and this Agreement, it is expressly agreed that, to the extent not inconsistent with Delaware Law, as between the Advent Stockholders this Agreement shall prevail and the parties shall use reasonable best efforts to amend the
Certificate of Incorporation to be consistent with this Agreement. For the avoidance of doubt, nothing contained in this Agreement shall be deemed to constitute an amendment of the Certificate of Incorporation or of any previous certificate of
incorporation of the Company. Notwithstanding any other provisions of this Agreement, to the extent not inconsistent with Delaware Law, the Company undertakes to be bound by and comply with the terms and conditions of this Agreement insofar as the
same relates to the Company and any Subsidiaries of the Company and to act in all respects as contemplated by this Agreement. 
 4.11
Entire Agreement. This Agreement constitutes the entire agreement among the parties relating to the transactions contemplated hereby and supersedes any prior understandings, agreements, or representations by or between the Parties, written or
oral, that may have related in any way to the subject matter hereof. No representations, warranties, covenants, understandings or agreements, oral or otherwise, relating to the transactions contemplated hereby exist between the parties hereto except
as expressly set forth or referenced in this Agreement. 
 4.12 Delays or Omissions. No delay or omission to exercise any right,
power, or remedy accruing to any party under this Agreement, upon any breach or default of any other party under this Agreement, shall impair any such right, power, or remedy of such nonbreaching or nondefaulting party, nor shall it be construed to
be a waiver of or acquiescence to any such breach or default, or to any similar breach or default thereafter occurring, nor shall any waiver of any single breach or default be deemed a waiver of any other breach or default theretofore or thereafter
occurring. All remedies, whether under this Agreement or by Law or otherwise afforded to any party, shall be cumulative and not alternative. 

4.13 Construction. Any use of the singular or plural, or the masculine, feminine, or neuter gender, includes the others, unless the
context otherwise requires; “including” means “including without limitation;” “or” means “and/or;” “any” means “any one, more than one, or all.”.
The words “this Agreement,” “herein,” “hereof,” “hereunder,” and words of similar import refer to this Agreement as a whole and not to any particular provision of this Agreement.. The parties
hereto intend that each representation, warranty and covenant contained herein will have independent significance. If any party hereto has breached any representation, warranty or covenant contained herein in any respect, the fact that there exists
another representation, warranty or covenant relating to the same subject matter (regardless of the relative levels of specificity) 

  
 13 

 
which such party has not breached will not detract from or mitigate the fact that such party is in breach of the first representation, warranty or covenant. All references in this Agreement to
numbers of shares, per share amounts and purchase prices shall be appropriately adjusted to reflect any stock split, reverse stock split, stock dividend, reorganization, recapitalization, reclassification, combination, exchange of shares or other
like change or transaction occurring after the date hereof. 
 [Remainder of Page Intentionally Left Blank] 

  
 14 

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

			
	FORTRESS VALUE ACQUISITION CORP. II
		
	By:	 	 /s/ Alexander P. Gillette

		 	Name: Alexander P. Gillette
		 	Title: General Counsel

  

  
 [SIGNATURE
PAGE TO STOCKHOLDERS AGREEMENT] 

 
			
	WILCO ACQUISITION, LP
		
	By:	 	Wilco GP, Inc., its General Partner
		
	By:	 	 /s/ John Maldonado

	Name:	 	John Maldonado
	Title:	 	President

  
 [SIGNATURE
PAGE TO STOCKHOLDERS AGREEMENT] 

 
			
	WILCO GP, INC.
		
	By:	 	 /s/ John Maldonado

	Name:	 	John Maldonado
	Title:	 	President

  
 [SIGNATURE
PAGE TO STOCKHOLDERS AGREEMENT] 

 
					
	Advent International GPE VII-A Limited Partnership
	Advent International GPE VII-E Limited Partnership
	Advent International GPE VII-H Limited Partnership
		
	By:	 	GPE VII GP Limited Partnership, General Partner
	By:	 	Advent International GPE VII, LLC, General Partner
	By:	 	Advent International Corporation, Manager
			
	By:	 	 /s/ James Westra
	 	,
	Name:	 	James Westra	 	
	Title:	 	General Counsel and Managing Partner	 	
	
	Advent International GPE VII Limited Partnership
	Advent International GPE VII-B Limited Partnership
	Advent International GPE VII-C Limited Partnership
	Advent International GPE VII-D Limited Partnership
	Advent International GPE VII-F Limited Partnership
	Advent International GPE VII-G Limited Partnership
		
	By:	 	GPE VII GP (Delaware) Limited Partnership, General Partner
	By:	 	Advent International GPE VII, LLC, General Partner
	By:	 	Advent International Corporation, Manager
			
	By:	 	 /s/ James Westra
	 	,
	Name:	 	James Westra	 	
	Title:	 	General Counsel and Managing Partner	 	
	
	Advent Partners GPE VII Limited Partnership
	Advent Partners GPE VII Cayman Limited Partnership
	Advent Partners GPE VII – A Limited Partnership
	Advent Partners GPE VII – A Cayman Limited Partnership
	Advent Partners GPE VII – B Cayman Limited Partnership
	Advent Partners GPE VII 2014 Limited Partnership
	Advent Partners GPE VII 2014 Cayman Limited Partnership
	Advent Partners GPE VII – A 2014 Limited Partnership
	Advent Partners GPE VII – A 2014 Cayman Limited Partnership
		
	By:	 	Advent International GPE VII, LLC, General Partner
	By:	 	Advent International Corporation, Manager
			
	By:	 	 /s/ James Westra
	 	,
	Name:	 	James Westra	 	
	Title:	 	General Counsel and Managing Partner	 	

  
 [SIGNATURE
PAGE TO STOCKHOLDERS AGREEMENT] 

 
			
	GPE VII ATI CO-INVESTMENT LIMITED PARTNERSHIP
		
	By:	 	Advent International GPE VII, LLC, its General Partner
		
	By:	 	Advent International Corporation, its Manager
		
	By:	 	 /s/ James Westra

	Name:	 	James Westra
	Title:	 	General Counsel and Managing Partner

  
 [SIGNATURE
PAGE TO STOCKHOLDERS AGREEMENT] 

 Schedule A 

Advent Stockholders 
  

			
	Wilco Acquisition, LP	  	 c/o The Corporation Trust Company,
 Corporation
Trust Center,
 1209 Orange Street Wilmington, DE 19801

		
	WILCO GP, INC.	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-A Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-B Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-C Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-D Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-E Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-F Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-G Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent International GPE VII-H Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent Partners GPE VII Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent Partners GPE VII – A Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

			
	Advent Partners GPE VII Cayman Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent Partners GPE VII – A Cayman Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	Advent Partners GPE VII – B Cayman Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	ADVENT PARTNERS GPE VII 2014 LIMITED PARTNERSHIP	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	ADVENT PARTNERS GPE VII 2014 CAYMAN LIMITED PARTNERSHIP	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	ADVENT PARTNERS GPE VII-A 2014 LIMITED PARTNERSHIP	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	ADVENT PARTNERS GPE VII-A 2014 CAYMAN LIMITED PARTNERSHIP 	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

		
	GPE VII ATI Co-Investment (Delaware) Limited Partnership	  	 c/o Advent International Corporation
 75 State
Street
 Boston, MA, 02109

 Schedule B 

Directors 
  

							
	 Designation
	  	 Director Appointees
	  	 Class
	  	 Committee membership
(including any

chairperson designation)

	Additional Designated Director	  	Drew McKnight	  	I	  	Compliance
				
	Advent Designated Director	  	John Maldonado	  	II	  	 Compliance
 Nominating and Corporate
Governance

				
	Advent Designated Director	  	Carmine Petrone	  	III	  	Compensation (Chair)
				
	Advent Designated Director	  	Chris Krubert	  	III	  	 Compensation
 Compliance (Chair)

				
	Advent Designated Director	  	John Larsen (Chairman of the Board of Directors)	  	III	  	 Audit
 Nominating and Corporate Governance
(Chair)

				
	Advent Designated Director	  	Labeed Diab	  	I	  	
				
	Advent Designated Director	  	Joanne Burns	  	II	  	 Audit
 Compensation

				
	Advent Designated Director	  	Jamie Parisi	  	II	  	 Audit (Chair)
 Nominating and Corporate
Governance

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