Document:

Letter Agreement, dated January 12, 2021

 Exhibit 10.5 

January 12, 2021 
 Fortress Capital
Acquisition Corp. 
 1345 Avenue of the Americas 
 45th Floor

 New York, New York 10105 
 Re: Initial Public
Offering 
 Ladies and Gentlemen: 
 This
letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) to be entered into by and between Fortress Capital Acquisition
Corp., a Cayman Islands exempted company (the “Company”), and Citigroup Global Markets Inc. and Goldman Sachs & Co. LLC, as representatives (the “Representatives”) of the several underwriters
(collectively, the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”), of 40,000,000 of the Company’s units (including up to 5,000,000 units that may be
purchased to cover over-allotments, if any) (the “Units”), each comprised of one of the Company’s Class A ordinary shares, par value $0.0001 per share (the “Ordinary Shares”), and one-fifth of one redeemable warrant. Each whole warrant (each, a “Warrant”) entitles the holder thereof to purchase one Ordinary Share at a price of $11.50 per share, subject to adjustment.
The Units shall be sold in the Public Offering pursuant to a registration statement on Form S-1 and prospectus (the “Prospectus”) filed by the Company with the Securities and Exchange
Commission (the “Commission”) and the Company shall apply to have the Units listed on the New York Stock Exchange. Certain capitalized terms used herein are defined in paragraph 11 hereof. 

In order to induce the Company and the Underwriters to enter into the Underwriting Agreement and to proceed with the Public Offering and for
other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Fortress Capital Acquisition Sponsor LLC, a Delaware limited liability company (the “Sponsor”), and each of the undersigned
individuals, each of whom is a director or member of the Company’s board of directors and/or management team (each, an “Insider” and collectively, the “Insiders”), hereby agrees with the Company
as follows: 
 1. The Sponsor and each Insider agrees with the Company that if the Company seeks shareholder approval of a proposed Business
Combination, then in connection with such proposed Business Combination, it, he or she shall (i) vote any Shares owned by it, him or her in favor of any proposed Business Combination and (ii) not redeem any Shares owned by it, him or her
in connection with such shareholder approval. 
 2. The Sponsor and each Insider hereby agrees with the Company that in the event that the
Company fails to consummate a Business Combination within 24 months from the closing of the Public Offering, or such later period approved by the Company’s shareholders in accordance with the Company’s amended and restated memorandum and
articles of association, the Sponsor and each Insider shall take all reasonable steps to cause the Company 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 

 
Ordinary Shares 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 the Company 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 Shareholders’ rights as shareholders (including the right to receive further liquidation distributions, if any), and
(iii) as promptly as reasonably possible following such redemption, subject to the approval of the Company’s remaining shareholders and the Company’s board of directors, dissolve and liquidate, subject in each case to the
Company’s obligations under Cayman Islands law to provide for claims of creditors and other requirements of other applicable law. The Sponsor and each Insider agrees to not propose any amendment (i) to the Company’s amended and
restated memorandum and articles of association that would affect the substance or timing of the Company’s obligation to allow redemption in connection with the Company’s initial Business Combination or to redeem 100% of the Offering
Shares if the Company 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 Company’s amended and restated memorandum and articles of
association relating to shareholders’ rights or pre-initial Business Combination activity, unless the Company provides its Public Shareholders with the opportunity to redeem their Ordinary Shares 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 the Company to pay its taxes, divided by the number of then outstanding Offering Shares. 
 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 the Company as a result of any liquidation of the Company with respect to the Founder
Shares held by it, him or her. The Sponsor and each Insider hereby further waives, with respect to any Ordinary Shares 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 shareholder vote to approve such Business Combination or in the context of a tender offer made by the Company to purchase Ordinary Shares (although the Sponsor
and the Insiders and their respective affiliates shall be entitled to redemption and liquidation rights with respect to any Offering Shares they hold if the Company 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 Ordinary Shares held by it, him or her, if any, any redemption rights it, he or she may have in connection with a shareholder vote to approve an
amendment to the Company’s amended and restated memorandum and articles of association (A) to modify the substance or timing of the Company’s obligation to allow redemption in connection with the Company’s initial Business
Combination or to redeem 100% of the Offering Shares if the Company does not complete a Business Combination within 24 months from the closing of the Public Offering or (B) with respect to any other provision relating to shareholders’
rights or pre-Business Combination activity. 
 3. Notwithstanding the provisions set forth in 7(a)
and (b) below, during the period commencing on the effective date of the Underwriting Agreement and ending 180 days after such date, the Sponsor and each Insider shall not, without the prior written consent of the Representatives,
(i) sell, offer to sell, contract or agree to sell, hypothecate, pledge, grant any 

  
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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 Commission promulgated thereunder, with respect to any
Units, Ordinary Shares, Founder Shares, Warrants or any securities convertible into, or exercisable, or exchangeable for, Ordinary Shares 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, Ordinary Shares, Founder Shares, Warrants or any securities convertible into, or exercisable, or exchangeable for, Ordinary Shares 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). Each
of the Insiders and the Sponsor acknowledges and agrees that, prior to the effective date of any release or waiver, of the restrictions set forth in this paragraph 3 or paragraph 7 below, the Company shall announce the impending release or waiver by
press release through a major news service at least two business days before the effective date of the release or waiver. Any release or waiver granted shall only be effective two business days after the publication date of such press release. The
provisions of this paragraph will not apply (i) to the transfer of Founder Shares to any independent director appointed or elected to the Company’s board of directors after the Public Offering or (ii) if the release or waiver 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
shareholders, members or managers of the Sponsor) agrees to indemnify and hold harmless the Company 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 the Company may become subject as a result of any claim by (i) any third party for services
rendered (other than the Company’s independent public accountants) or products sold to the Company or (ii) a prospective target business with which the Company has discussed entering into a transaction agreement (a
“Target”); provided, however, that such indemnification of the Company by the Sponsor shall apply only to the extent necessary to ensure that such claims by a third party for services rendered (other than the
Company’s independent public accountants) or products sold to the Company 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 

  
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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 the Company’s indemnity of the 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 the Company if, within 15 days following written receipt of notice of the claim to the Sponsor, the Sponsor notifies the Company in writing that it shall
undertake such defense. For the avoidance of doubt, none of the Company’s officers or directors will indemnify the Company for claims by third parties, including, without limitation, claims by vendors and prospective target businesses. 

5. To the extent that the Underwriters do not exercise their over-allotment option to purchase up to an additional 5,000,000 Units within 45
days from the date of the Prospectus (and as further described in the Prospectus), the Sponsor agrees to forfeit, at no cost, a number of Founder Shares in the aggregate equal to 1,250,000 multiplied by a fraction, (i) the numerator of which is
5,000,000 minus the number of Units purchased by the Underwriters upon the exercise of their over-allotment option, and (ii) the denominator of which is 5,000,000. The forfeiture will be adjusted to the extent that the over-allotment option is
not exercised in full by the Underwriters so that the number of Founder Shares will equal an aggregate of 20.0% of the Company’s issued and outstanding Shares after the Public Offering. To the extent that the size of the Public Offering is
increased or decreased, the Company will effect a capitalization or share repurchase or redemption or other appropriate mechanism, as applicable, with respect to the Founder Shares immediately prior to the consummation of the Public Offering in such
amount as to maintain the number of Founder Shares prior to the Public Offering at 20% of the Company’s issued and outstanding Shares of the Public Offering. In connection with such increase or decrease in the size of the Public Offering, then
(A) the references to 5,000,000 in the numerator and denominator of the formula in the first sentence of this paragraph shall be changed to a number equal to 15% of the number of shares included in the Units issued in the Public Offering and
(B) the reference to 1,250,000 in the formula set forth in the immediately preceding sentence shall be adjusted to such number of Founder Shares that the Sponsor would have to return to the Company in order for the number of Founder Shares to
equal an aggregate of 20.0% of the Company’s issued and outstanding Shares after the Public Offering. 
 6. The Sponsor and each Insider
hereby agrees and acknowledges that: (i) the Underwriters and the Company 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, 5, 7(a), 7(b), and 9 of this
Letter Agreement (ii) monetary damages may not be an adequate remedy for such breach and (iii) 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. 
 7. (a) The Sponsor and each Insider agrees that it, he or she shall
not Transfer any Founder Shares (or Ordinary Shares issuable upon conversion thereof) until the earliest to occur of: (A) one year after the completion of the Company’s initial Business Combination; (B) subsequent to the
Company’s initial Business Combination, if the last reported sale price of the 

  
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Ordinary Shares equals or exceeds $12.00 per share (as adjusted for share subdivisions, share dividends, reorganizations, recapitalizations and the like) for any 20 trading days with any 30-trading day period commencing at least 150 days after the Company’s initial Business Combination; and (C) the date following the completion of the Company’s initial Business Combination on which
the Company completes a liquidation, merger, share exchange, reorganization or other similar transaction that results in all of the Company’s Public Shareholders having the right to exchange their Ordinary Shares for cash,
securities or other property (the “Founder Shares Lock-up Period”). 
 (b)
The Sponsor and each Insider agrees that it, he or she shall not Transfer any Private Placement Warrants (or Ordinary Shares issued or issuable upon the conversion of the Private Placement Warrants), until 30 days after the completion of the
Company’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 7(a) and (b), Transfers of the Founder Shares, Private Placement Warrants and Ordinary Shares issued or issuable upon the 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 (a) to the Company’s officers, directors or employees, any affiliates or family members of any of the Company’s officers,
directors or employees, any members or employees of the Sponsor, or any affiliates of the Sponsor; (b) in the case of an individual, by gift to a member of the individual’s immediate family or 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; (c) in the case of an individual, by virtue of laws of descent and distribution upon death of the individual; (d) in the case
of an individual, pursuant to a qualified domestic relations order; (e) 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; (f) in the event of the Company’s liquidation prior to the completion of an initial Business Combination; (g) by virtue of the laws of the Cayman Islands or the Sponsor’s limited liability company agreement upon
dissolution of the Sponsor; and (h) in the event of the Company’s liquidation, merger, share exchange, reorganization or other similar transaction which results in all of the Company’s shareholders having the right to exchange their
Ordinary Shares for cash, securities or other property subsequent to the completion of the Company’s initial Business Combination; provided, however, that in the case of clauses (a) through (e), these permitted transferees must enter into
a written agreement agreeing to be bound by the restrictions herein. 
 8. The Sponsor and each Insider represents and warrants that 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. Each Insider’s biographical
information furnished to the Company (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 the Company is true and accurate in all respects. The Sponsor and each Insider represents and warrants that: it, he or she 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

  
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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 not any Insider nor any affiliate of the Sponsor or any Insider, shall receive
from the Company 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 the
Company’s initial Business Combination (regardless of the type of transaction that it is), other than the following, none of which will be made from the proceeds held in the Trust Account prior to the completion of the Company’s initial
Business Combination: repayment of a loan and advances of up to an aggregate of $300,000 made to the Company by the Sponsor to cover offering-related and organizational expenses; payment to an affiliate of the Sponsor for office space,
administrative and 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 the Company from time to time, made by the Sponsor or any of the Company’s officers or directors to finance transaction costs in
connection with an intended initial Business Combination, provided, that, if the Company does not consummate an initial Business Combination, a portion of the working capital held outside the Trust Account may be used by the Company to repay such
loaned amounts so long as no proceeds from the Trust Account are used for such repayment. Up to $1,500,000 of such loans may be convertible into warrants of the post Business Combination entity at a price of $1.50 per warrant at the option of the
lender. Such warrants would 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 the board of directors of the Company and hereby consents to being named in the Prospectus as a director of the Company. 

11. As used herein, (i) “Business Combination” shall mean a merger, share exchange, asset acquisition, share purchase,
reorganization or similar business combination, involving the Company and one or more businesses; (ii) “Shares” shall mean, collectively, the Ordinary Shares and the Founder Shares; (iii) “Founder
Shares” shall mean the 10,000,000 Class B Ordinary Shares, par value $0.0001 per share, initially issued to the Sponsor (or 8,750,000 shares if the over-allotment option is not exercised by the Underwriters) for an aggregate
purchase price of $25,000, or approximately $0.003 per share, prior to the consummation of the Public Offering; (iv) “Private Placement Warrants” shall mean the Warrants to purchase up to 6,666,667 Ordinary Shares of
the Company (or 7,333,333 Ordinary Shares if the over-allotment option is exercised in full) that the Sponsor has agreed to purchase for an aggregate purchase price of $10,000,001 in the aggregate (or $11,000,000 if the over-allotment option is
exercised in full), or $1.50 per Warrant, in a private placement that shall occur simultaneously with the consummation of the Public Offering; (v) “Public Shareholders” shall mean the holders of securities
issued in the Public Offering; (vi) “Trust Account” shall mean the trust fund into which a portion of the net proceeds of the Public Offering shall be deposited; and (vii) “Transfer” shall mean the
(a) sale of, offer to sell, contract or agreement to sell, hypothecate, pledge, grant of any option to 

  
 6 

 
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 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). 
 12. This Letter Agreement 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 party. 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 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 expiration of the Lock-up Periods and (ii) the liquidation of the Company; provided, however, that this Letter Agreement shall earlier terminate in the event that the Public Offering is not consummated and closed by
January 31, 2021; provided further that paragraph 4 of this Letter Agreement shall survive such liquidation. 
 [Signature Page Follows]

  
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	Sincerely,
	
	FORTRESS CAPITAL ACQUISITION SPONSOR LLC
		
	By:	 	 /s/ David N. Brooks

	Name:	 	David N. Brooks
	Title:	 	Secretary

 [Signature page to Letter Agreement] 

			
	Sincerely,
		
	By:	 	 /s/ Michael Nierenberg

	Name:	 	Michael Nierenberg

 [Signature page to Letter Agreement] 

			
	Sincerely,
		
	By:	 	 /s/ Varun Wadhawan

	Name:	 	Varun Wadhawan

 [Signature page to Letter Agreement] 

			
	Sincerely,
		
	By:	 	 /s/ Daniel N. Bass

	Name:	 	Daniel N. Bass

 [Signature page to Letter Agreement] 

 
			
	Sincerely,
		
	By:	 	 /s/ Debra Coleman

	Name:	 	Debra Coleman

 [Signature page to Letter Agreement] 

 
			
	Sincerely,
		
	By:	 	 /s/ Elizabeth Fascitelli

	Name:	 	Elizabeth Fascitelli

 [Signature page to Letter Agreement] 

			
	Acknowledged and Agreed:
	
	FORTRESS CAPITAL ACQUISITION CORP.
		
	By:	 	 /s/ Daniel N. Bass

	Name:	 	Daniel N. Bass
	Title:	 	Chief Financial Officer

 [Signature page to Letter Agreement]Indemnity Agreement, dated January 12, 2021, Michael Nierenberg

 Exhibit 10.6 

INDEMNITY AGREEMENT 

THIS INDEMNITY AGREEMENT (this “Agreement”) is made as of January 12, 2021, by and between FORTRESS
CAPITAL ACQUISITION CORP., a Cayman Islands exempted company (the “Company”), and Michael Nierenberg (“Indemnitee”). 

RECITALS 

WHEREAS, highly competent persons have become more reluctant to serve publicly-held corporations and companies as directors, officers
or in other capacities unless they are provided with adequate protection through insurance or adequate indemnification against inordinate risks of claims and actions against them arising out of their service to and activities on behalf of such
corporations and companies; 
 WHEREAS, the Board of Directors of the Company (the “Board”) has determined
that, in order to attract and retain qualified individuals, the Company will attempt to maintain on an ongoing basis, at its sole expense, liability insurance to protect persons serving the Company and its subsidiaries from certain liabilities.
Although the furnishing of such insurance has been a customary and widespread practice among publicly traded corporations and other business enterprises, the Company believes that, given current market conditions and trends, such insurance may be
available to it in the future only at higher premiums and with more exclusions. At the same time, directors, officers and other persons in service to corporations, companies or business enterprises are being increasingly subjected to expensive and
time-consuming litigation relating to, among other things, matters that traditionally would have been brought only against the Company or business enterprise itself. The amended and restated memorandum and articles of association of the Company (the
“Articles”) provide for the indemnification of the officers and directors of the Company. The Articles expressly provide that the indemnification provisions set forth therein are not exclusive, and thereby contemplate that
contracts may be entered into between the Company and members of the Board, officers and other persons with respect to indemnification, hold harmless, exoneration, advancement and reimbursement rights; 

WHEREAS, the uncertainties relating to such insurance and to indemnification have increased the difficulty of attracting and retaining
such persons; 
 WHEREAS, the Board has determined that the increased difficulty in attracting and retaining such persons is
detrimental to the best interests of the Company’s shareholders and that the Company should act to assure such persons that there will be increased certainty of such protection in the future; 

WHEREAS, it is reasonable, prudent and necessary for the Company contractually to obligate itself to indemnify, hold harmless,
exonerate and to advance expenses on behalf of, such persons to the fullest extent permitted by applicable law and the Articles so that they will serve or continue to serve the Company free from undue concern that they will not be so protected
against liabilities; 
 WHEREAS, this Agreement is a supplement to and in furtherance of the Articles of the Company and any
resolutions adopted pursuant thereto, and shall not be deemed a substitute therefor, nor to diminish or abrogate any rights of Indemnitee thereunder; 

WHEREAS, Indemnitee may not be willing to serve as an officer or director, advisor or in another capacity without adequate protection,
and the Company desires Indemnitee to serve in such capacity. Indemnitee is willing to serve, continue to serve and to take on additional service for or on behalf of the Company on the condition that he or she be so indemnified; and 

NOW, THEREFORE, in consideration of the premises and the covenants contained herein and subject to the provisions of the letter
agreement dated as of January 12, 2021 between the Company and Indemnitee pursuant to the Underwriting Agreement among the Company and the representatives of the underwriters named therein in connection with the Company’s initial
public offering, the Company and Indemnitee do hereby covenant and agree as follows: 

 TERMS AND CONDITIONS 

1. SERVICES TO THE COMPANY. In consideration of the Company’s covenants and obligations hereunder, Indemnitee will serve or continue to
serve as an officer, director, advisor, key employee or in any other capacity of the Company, as applicable, for so long as Indemnitee is duly elected, appointed or retained or until Indemnitee tenders his or her resignation or until Indemnitee is
removed. 
 2. DEFINITIONS. As used in this Agreement: 

2.1. References to “agent” shall mean any person who is or was a director, officer or employee of the Company or a
subsidiary of the Company or other person authorized by the Company to act for the Company, to include such person serving in such capacity as a director, officer, employee, advisor, fiduciary or other official of another company or corporation,
partnership, limited liability company, joint venture, trust or other enterprise at the request of, for the convenience of, or to represent the interests of the Company or a subsidiary of the Company. 

2.2. The terms “Beneficial Owner” and “Beneficial Ownership” shall have the meanings set forth
in Rule 13d-3 promulgated under the Exchange Act as in effect on the date hereof. 
 2.3.
“Cayman Court” shall mean the Court of the Cayman Islands. 
 2.4. A “Change in Control”
shall be deemed to occur upon the earliest to occur after the date of this Agreement of any of the following events: 
 2.4.1. Acquisition
of Shares by Third Party. Other than an affiliate of Fortress Capital Acquisition Sponsor LLC (the “Sponsor”), any Person is or becomes the Beneficial Owner, directly or indirectly, of securities of the Company
representing fifteen percent (15%) or more of the combined voting power of the Company’s then outstanding securities entitled to vote generally in the election of directors, unless (1) the change in the relative Beneficial Ownership of the
Company’s securities by any Person results solely from a reduction in the aggregate number of outstanding shares of securities entitled to vote generally in the election of directors, or (2) such acquisition was approved in advance by the
Continuing Directors and such acquisition would not constitute a Change in Control under part 2.3.3 of this definition; 
 2.4.2. Change
in Board of Directors. Individuals who, as of the date hereof, constitute the Board, and any new director whose election by the Board or nomination for election by the Company’s shareholders was approved by a vote of at least two thirds of
the directors then still in office who were directors on the date hereof or whose election or nomination for election was previously so approved (collectively, the “Continuing Directors”), cease for any reason to constitute
at least a majority of the members of the Board; 
 2.4.3. Corporate Transactions. The effective date of a merger, share exchange,
asset acquisition, share purchase, reorganization or similar business combination, involving the Company and one or more businesses (a “Business Combination”), in each case, unless, following such Business Combination:
(1) all or substantially all of the individuals and entities who were the Beneficial Owners of securities entitled to vote generally in the election of directors immediately prior to such Business Combination beneficially own, directly or
indirectly, more than 51% of the combined voting power of the then outstanding securities of the Company entitled to vote generally in the election of directors resulting from such Business Combination (including, without limitation, a company or
corporation which as a result of such transaction owns the Company or all or substantially all of the Company’s assets either directly or through one or more Subsidiaries) in substantially the same proportions as their ownership immediately
prior to such Business Combination, of the securities entitled to vote generally in the election of directors; (2) other than an affiliate of the Sponsor, no Person (excluding any company or corporation resulting from such Business Combination)
is the Beneficial Owner, directly or indirectly, of 15% or more of the combined voting power of the then outstanding securities entitled to vote generally in the election of directors of the surviving company or corporation except to the extent that
such ownership existed prior to the Business Combination; and (3) at least a majority of the Board of Directors of the company or corporation resulting from such Business Combination were Continuing Directors at the time of the execution of the
initial agreement, or of the action of the Board of Directors, providing for such Business Combination; 

  
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 2.4.4. Liquidation. The approval by the shareholders of the Company of a complete
liquidation of the Company or an agreement or series of agreements for the sale or disposition by the Company of all or substantially all of the Company’s assets, other than factoring the Company’s current receivables or escrows due (or,
if such approval is not required, the decision by the Board to proceed with such a liquidation, sale, or disposition in one transaction or a series of related transactions); or 

2.4.5. Other Events. There occurs any other event of a nature that would be required to be reported in response to Item 6(e) of Schedule
14A of Regulation 14A (or a response to any similar item on any similar schedule or form) promulgated under the Exchange Act, whether or not the Company is then subject to such reporting requirement. 

2.5. “Corporate Status” describes the status of a person who is or was a director, officer, trustee, general partner,
manager, managing member, fiduciary, employee or agent of the Company or of any other Enterprise (as defined below) which such person is or was serving at the request of the Company. 

2.6. “Disinterested Director” shall mean a director of the Company who is not and was not a party to the Proceeding (as
defined below) in respect of which indemnification is sought by Indemnitee. 
 2.7. “Enterprise” shall mean the
Company and any other company or corporation, constituent company or corporation (including any constituent of a constituent) absorbed in a consolidation or merger to which the Company (or any of its wholly owned subsidiaries) is a party, limited
liability company, partnership, joint venture, trust, employee benefit plan or other enterprise of which Indemnitee is or was serving at the request of the Company as a director, officer, trustee, general partner, manager, managing member,
fiduciary, employee or agent. 
 2.8. “Exchange Act” shall mean the Securities Exchange Act of 1934, as amended. 

2.9. “Expenses” shall include all direct and indirect costs, fees and expenses of any type or nature whatsoever,
including, without limitation, all attorneys’ fees and costs, retainers, court costs, transcript costs, fees of experts, witness fees, travel expenses, fees of private investigators and professional advisors, duplicating costs, printing and
binding costs, telephone charges, postage, delivery service fees, fax transmission charges, secretarial services and all other disbursements, obligations or expenses in connection with prosecuting, defending, preparing to prosecute or defend,
investigating, being or preparing to be a witness in, settlement or appeal of, or otherwise participating in, a Proceeding, including reasonable compensation for time spent by Indemnitee for which he or she is not otherwise compensated by the
Company or any third party. Expenses also shall include Expenses incurred in connection with any appeal resulting from any Proceeding, including without limitation the principal, premium, security for, and other costs relating to any cost bond,
supersede as bond, or other appeal bond or its equivalent. Expenses, however, shall not include amounts paid in settlement by Indemnitee or the amount of judgments or fines against Indemnitee. 

2.10. References to “fines” shall include any excise tax assessed on Indemnitee with respect to any employee benefit
plan; references to “serving at the request of the Company” shall include any service as a director, officer, employee, agent or fiduciary of the Company which imposes duties on, or involves services by, such director, officer, employee,
agent or fiduciary with respect to an employee benefit plan, its participants or beneficiaries; and if Indemnitee acted in good faith and in a manner Indemnitee reasonably believed to be in the best interests of the participants and beneficiaries of
an employee benefit plan, Indemnitee shall be deemed to have acted in a manner “not opposed to the best interests of the Company” as referred to in this Agreement. 

2.11. “Independent Counsel” shall mean a law firm or a member of a law firm with significant experience in matters of
corporate law and that neither presently is, nor in the past five years has been, retained to represent: (i) the Company or Indemnitee in any matter material to either such party (other than with respect to matters concerning Indemnitee under
this Agreement, or of other indemnitees under similar indemnification agreements); or (ii) any other party to the Proceeding giving rise to a claim for indemnification hereunder. Notwithstanding the foregoing, the term “Independent
Counsel” shall not include any person who, under the applicable standards of professional conduct then prevailing, would have a conflict of interest in representing either the Company or Indemnitee in an action to determine
Indemnitee’s rights under this Agreement. 

  
 3 

 2.12. The term “Person” shall have the meaning as set forth in
Sections 13(d) and 14(d) of the Exchange Act as in effect on the date hereof; provided, however, that “Person” shall exclude: (i) the Company; (ii) any Subsidiaries of the Company; (iii) any employment benefit plan of the
Company or of a Subsidiary of the Company or of any company or corporation owned, directly or indirectly, by the shareholders of the Company in substantially the same proportions as their ownership of shares of the Company; and (iv) any trustee
or other fiduciary holding securities under an employee benefit plan of the Company or of a Subsidiary of the Company or of a company or corporation owned directly or indirectly by the shareholders of the Company in substantially the same
proportions as their ownership of shares of the Company. 
 2.13. The term “Proceeding” shall include any threatened,
pending or completed action, suit, arbitration, mediation, alternate dispute resolution mechanism, investigation, inquiry, administrative hearing or any other actual, threatened or completed proceeding, whether brought in the right of the Company or
otherwise and whether of a civil (including intentional or unintentional tort claims), criminal, administrative, or investigative or related nature, in which Indemnitee was, is, will or might be involved as a party or otherwise by reason of the fact
that Indemnitee is or was a director or officer of the Company, by reason of any action (or failure to act) taken by him or her or of any action (or failure to act) on his or her part while acting as a director or officer of the Company, or by
reason of the fact that he or she is or was serving at the request of the Company as a director, officer, trustee, general partner, manager, managing member, fiduciary, employee or agent of any other Enterprise, in each case whether or not serving
in such capacity at the time any liability or expense is incurred for which indemnification, reimbursement, or advancement of expenses can be provided under this Agreement. 

2.14. The term “Subsidiary,” with respect to any Person, shall mean any company or corporation, limited liability
company, partnership, joint venture, trust or other entity of which a majority of the voting power of the voting equity securities or equity interest is owned, directly or indirectly, by that Person. 

3. INDEMNITY IN THIRD-PARTY PROCEEDINGS. 
 To the fullest
extent permitted by applicable law and the Articles, the Company shall indemnify, hold harmless and exonerate Indemnitee in accordance with the provisions of this Section 3 if Indemnitee was, is, or is threatened to be
made, a party to or a participant (as a witness, deponent or otherwise) in any Proceeding, other than a Proceeding by or in the right of the Company to procure a judgment in its favor by reason of Indemnitee’s Corporate Status. Pursuant to this
Section 3, Indemnitee shall be indemnified, held harmless and exonerated against all Expenses, judgments, liabilities, fines, penalties and amounts paid in settlement (including all interest, assessments and other charges
paid or payable in connection with or in respect of such Expenses, judgments, fines, penalties and amounts paid in settlement) actually and reasonably incurred by Indemnitee or on his or her behalf in connection with such Proceeding or any claim,
issue or matter therein, if Indemnitee acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of the Company and, in the case of a criminal Proceeding, had no reasonable cause to believe that
his or her conduct was unlawful. 
 4. INDEMNITY IN PROCEEDINGS BY OR IN THE RIGHT OF THE COMPANY. 

To the fullest extent permitted by applicable law and the Articles, the Company shall indemnify, hold harmless and exonerate Indemnitee in accordance with the
provisions of this Section 4 if Indemnitee was, is, or is threatened to be made, a party to or a participant (as a witness, deponent or otherwise) in any Proceeding by or in the right of the Company to procure a judgment in
its favor by reason of Indemnitee’s Corporate Status. Pursuant to this Section 4, Indemnitee shall be indemnified, held harmless and exonerated against all Expenses actually and reasonably incurred by him or her or on
his or her behalf in connection with such Proceeding or any claim, issue or matter therein, if Indemnitee acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of the Company. No
indemnification, hold harmless or exoneration for Expenses shall be made under this Section 4 in respect of any claim, issue or matter as to which Indemnitee shall have been finally adjudged by a court to be liable to the
Company, unless and only to the extent that any court in which the Proceeding was brought or the Cayman Court shall determine upon application that, despite the adjudication of liability but in view of all the circumstances of the case, Indemnitee
is fairly and reasonably entitled to indemnification, to be held harmless or to exoneration. 

  
 4 

 5. INDEMNIFICATION FOR EXPENSES OF A PARTY WHO IS WHOLLY OR PARTLY SUCCESSFUL. 

Notwithstanding any other provisions of this Agreement except for Section 27, to the extent that Indemnitee was or is, by reason of
Indemnitee’s Corporate Status, a party to (or a participant in) and is successful, on the merits or otherwise, in any Proceeding or in defense of any claim, issue or matter therein, in whole or in part, the Company shall, to the fullest extent
permitted by applicable law and the Articles, indemnify, hold harmless and exonerate Indemnitee against all Expenses actually and reasonably incurred by him or her in connection therewith. If Indemnitee is not wholly successful in such Proceeding
but is successful, on the merits or otherwise, as to one or more but less than all claims, issues or matters in such Proceeding, the Company shall, to the fullest extent permitted by applicable law and the Articles, indemnify, hold harmless and
exonerate Indemnitee against all Expenses actually and reasonably incurred by him or her or on his or her behalf in connection with each successfully resolved claim, issue or matter. If Indemnitee is not wholly successful in such Proceeding, the
Company also shall, to the fullest extent permitted by applicable law and the Articles, indemnify, hold harmless and exonerate Indemnitee against all Expenses reasonably incurred in connection with a claim, issue or matter related to any claim,
issue, or matter on which Indemnitee was successful. For purposes of this Section 5 and without limitation, the termination of any claim, issue or matter in such a Proceeding by dismissal, with or without prejudice, shall
be deemed to be a successful result as to such claim, issue or matter. 
 6. INDEMNIFICATION FOR EXPENSES OF A WITNESS. 

Notwithstanding any other provision of this Agreement except for Section 27, to the extent that Indemnitee is, by reason of his or
her Corporate Status, a witness or deponent in any Proceeding to which Indemnitee is not a party or threatened to be made a party, he or she shall, to the fullest extent permitted by applicable law and the Articles, be indemnified, held harmless and
exonerated against all Expenses actually and reasonably incurred by him or her or on his or her behalf in connection therewith. 
 7. ADDITIONAL
INDEMNIFICATION, HOLD HARMLESS AND EXONERATION RIGHTS. 
 7.1. Notwithstanding any limitation in Sections 3, 4, or
5, except for Section 27, the Company shall, to the fullest extent permitted by applicable law and the Articles, indemnify, hold harmless and exonerate Indemnitee if Indemnitee is a party to or threatened to be made
a party to any Proceeding (including a Proceeding by or in the right of the Company to procure a judgment in its favor) against all Expenses, judgments, fines, penalties and amounts paid in settlement (including all interest, assessments and other
charges paid or payable in connection with or in respect of such Expenses, judgments, fines, penalties and amounts paid in settlement) actually and reasonably incurred by Indemnitee in connection with the Proceeding. No indemnification, hold
harmless or exoneration rights shall be available under this Section 7.1 on account of Indemnitee’s conduct which constitutes a breach of Indemnitee’s duty of loyalty to the Company or its shareholders or is an
act or omission not in good faith or which involves intentional misconduct or a knowing violation of the law. 
 7.2. Notwithstanding any
limitation in Sections 3, 4, 5 or 7.1, except for Section 27, the Company shall, to the fullest extent permitted by applicable law and the Articles, indemnify, hold harmless and exonerate
Indemnitee if Indemnitee is a party to or threatened to be made a party to any Proceeding (including a Proceeding by or in the right of the Company to procure a judgment in its favor) against all Expenses, judgments, fines, penalties and amounts
paid in settlement (including all interest, assessments and other charges paid or payable in connection with or in respect of such Expenses, judgments, fines, penalties and amounts paid in settlement) actually and reasonably incurred by Indemnitee
in connection with the Proceeding. 
 8. CONTRIBUTION IN THE EVENT OF JOINT LIABILITY. 

8.1. To the fullest extent permissible under applicable law and the Articles, if the indemnification, hold harmless and/or exoneration rights
provided for in this Agreement are unavailable to Indemnitee in whole or in part for any reason whatsoever, the Company, in lieu of indemnifying, holding harmless or exonerating Indemnitee, shall pay, in the first instance, the entire amount
incurred by Indemnitee, whether for judgments, liabilities, fines, penalties, amounts paid or to be paid in settlement and/or for Expenses, in connection with any Proceeding without requiring Indemnitee to contribute to such payment, and the Company
hereby waives and relinquishes any right of contribution it may have at any time against Indemnitee. 

  
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 8.2. The Company shall not enter into any settlement of any Proceeding in which the Company
is jointly liable with Indemnitee (or would be if joined in such Proceeding) unless such settlement provides for a full and final release of all claims asserted against Indemnitee. 

8.3. The Company hereby agrees to fully indemnify, hold harmless and exonerate Indemnitee from any claims for contribution which may be brought
by officers, directors or employees of the Company other than Indemnitee who may be jointly liable with Indemnitee. 
 9. EXCLUSIONS. 

Notwithstanding any provision in this Agreement, the Company shall not be obligated under this Agreement to make any indemnification, advance Expenses, hold
harmless or exoneration payment in connection with any claim made against Indemnitee: 
 (a) for which payment has actually been received by
or on behalf of Indemnitee under any insurance policy or other indemnity or advancement provision and which payment has not subsequently been returned, except with respect to any excess beyond the amount actually received under any insurance policy,
contract, agreement, other indemnity or advancement provision or otherwise; 
 (b) for an accounting of profits made from the purchase and
sale (or sale and purchase) by Indemnitee of securities of the Company within the meaning of Section 16(b) of the Exchange Act (or any successor thereof) or similar provisions of state statutory law or common law; or 

(c) except as otherwise provided in Sections 14.5 and 14.6 hereof, prior to a Change in Control, in connection with any
Proceeding (or any part of any Proceeding) initiated by Indemnitee, including any Proceeding (or any part of any Proceeding) initiated by Indemnitee against the Company or its directors, officers, employees or other indemnitees, unless (i) the
Board authorized the Proceeding (or any part of any Proceeding) prior to its initiation or (ii) the Company provides the indemnification, hold harmless or exoneration payment, in its sole discretion, pursuant to the powers vested in the Company
under applicable law and the Articles. 
 10. ADVANCES OF EXPENSES; DEFENSE OF CLAIM. 

10.1. Notwithstanding any provision of this Agreement to the contrary except for Section 27, and to the fullest
extent not prohibited by applicable law and the Articles, the Company shall pay the Expenses incurred by Indemnitee (or reasonably expected by Indemnitee to be incurred by Indemnitee within three months) in connection with any Proceeding within ten
(10) days after the receipt by the Company of a statement or statements requesting such advances from time to time, prior to the final disposition of any Proceeding. Advances shall be unsecured and interest free. Advances shall be made without
regard to Indemnitee’s ability to repay the Expenses and without regard to Indemnitee’s ultimate entitlement to be indemnified, held harmless or exonerated under the other provisions of this Agreement. Advances shall include any and all
reasonable Expenses incurred pursuing a Proceeding to enforce this right of advancement, including Expenses incurred preparing and forwarding statements to the Company to support the advances claimed. To the fullest extent required by applicable law
and the Articles, such payments of Expenses in advance of the final disposition of the Proceeding shall be made only upon the Company’s receipt of an undertaking, by or on behalf of Indemnitee, to repay the advanced amounts to the extent that
it is ultimately determined that Indemnitee is not entitled to be indemnified by the Company under the provisions of this Agreement, the Articles, applicable law or otherwise. This Section 10.1 shall not apply to any claim
made by Indemnitee for which an indemnification, hold harmless or exoneration payment is excluded pursuant to Section 9. 

10.2. The Company will be entitled to participate in the Proceeding at its own expense. 

  
 6 

 10.3. The Company shall not settle any action, claim or Proceeding (in whole or in part)
which would impose any Expense, judgment, fine, penalty or limitation on Indemnitee without Indemnitee’s prior written consent. 
 11. PROCEDURE FOR
NOTIFICATION AND APPLICATION FOR INDEMNIFICATION. 
 11.1. Indemnitee agrees to notify promptly the Company in writing upon being served
with any summons, citation, subpoena, complaint, indictment, information or other document relating to any Proceeding or matter which may be subject to indemnification, hold harmless or exoneration rights, or advancement of Expenses covered
hereunder. The failure of Indemnitee to so notify the Company shall not relieve the Company of any obligation which it may have to Indemnitee under this Agreement, or otherwise. 

11.2. Indemnitee may deliver to the Company a written application to indemnify, hold harmless or exonerate Indemnitee in accordance with this
Agreement. Such application(s) may be delivered from time to time and at such time(s) as Indemnitee deems appropriate in his or her sole discretion. Following such a written application for indemnification by Indemnitee, Indemnitee’s
entitlement to indemnification shall be determined according to Section 12.1 of this Agreement. 
 12. PROCEDURE UPON
APPLICATION FOR INDEMNIFICATION. 
 12.1. A determination, if required by applicable law and the Articles, with respect to
Indemnitee’s entitlement to indemnification shall be made in the specific case by one of the following methods, which shall be at the election of Indemnitee: (i) by a majority vote of the Disinterested Directors, even if less than a quorum
of the Board (ii) by Independent Counsel in a written opinion to the Board, a copy of which shall be delivered to Indemnitee; or (iii) by vote of the shareholders. The Company promptly will advise Indemnitee in writing with respect to any
determination that Indemnitee is or is not entitled to indemnification, including a description of any reason or basis for which indemnification has been denied. If it is so determined that Indemnitee is entitled to indemnification, payment to
Indemnitee shall be made within ten (10) days after such determination. Indemnitee shall reasonably cooperate with the person, persons or entity making such determination with respect to Indemnitee’s entitlement to indemnification,
including providing to such person, persons or entity upon reasonable advance request any documentation or information which is not privileged or otherwise protected from disclosure and which is reasonably available to Indemnitee and reasonably
necessary to such determination. Any costs or Expenses (including attorneys’ fees and disbursements) incurred by Indemnitee in so cooperating with the person, persons or entity making such determination shall be borne by the Company
(irrespective of the determination as to Indemnitee’s entitlement to indemnification) and the Company hereby agrees to indemnify and to hold Indemnitee harmless therefrom. 

12.2. In the event the determination of entitlement to indemnification is to be made by Independent Counsel pursuant to
Section 12.1 hereof, the Independent Counsel shall be selected as provided in this Section 12.2. The Independent Counsel shall be selected by Indemnitee (unless Indemnitee shall request that such
selection be made by the Board), and Indemnitee shall give written notice to the Company advising it of the identity of the Independent Counsel so selected and certifying that the Independent Counsel so selected meets the requirements of
“Independent Counsel” as defined in Section 2 of this Agreement. If the Independent Counsel is selected by the Board, the Company shall give written notice to Indemnitee advising him or her of the
identity of the Independent Counsel so selected and certifying that the Independent Counsel so selected meets the requirements of “Independent Counsel” as defined in Section 2 of this Agreement. In
either event, Indemnitee or the Company, as the case may be, may, within ten (10) days after such written notice of selection shall have been received, deliver to the Company or to Indemnitee, as the case may be, a written objection to such
selection; provided, however, that such objection may be asserted only on the ground that the Independent Counsel so selected does not meet the requirements of “Independent Counsel” as defined in
Section 2 of this Agreement, and the objection shall set forth with particularity the factual basis of such assertion. Absent a proper and timely objection, the person so selected shall act as Independent Counsel. If such
written objection is so made and substantiated, the Independent Counsel so selected may not serve as Independent Counsel unless and until such objection is withdrawn or a court of competent jurisdiction has determined that such objection is without
merit. If, within twenty (20) days after submission by Indemnitee of a written request for indemnification pursuant to Section 11.2 hereof, no Independent Counsel shall have been selected and not objected to, either
the Company or Indemnitee may petition the Cayman Court for 

  
 7 

 
resolution of any objection which shall have been made by the Company or Indemnitee to the other’s selection of Independent Counsel and/or for the appointment as Independent Counsel of a
person selected by the Cayman Court, and the person with respect to whom all objections are so resolved or the person so appointed shall act as Independent Counsel under Section 12.1 hereof. Upon the due commencement of any
judicial proceeding or arbitration pursuant to Section 14.1 of this Agreement, Independent Counsel shall be discharged and relieved of any further responsibility in such capacity (subject to the applicable standards of
professional conduct then prevailing). 
 12.3. The Company agrees to pay the reasonable fees and expenses of Independent Counsel and to
fully indemnify and hold harmless such Independent Counsel against any and all Expenses, claims, liabilities and damages arising out of or relating to this Agreement or its engagement pursuant hereto. 

13. PRESUMPTIONS AND EFFECT OF CERTAIN PROCEEDINGS. 

13.1. In making a determination with respect to entitlement to indemnification hereunder, the person, persons or entity making such
determination shall presume that Indemnitee is entitled to indemnification under this Agreement if Indemnitee has submitted a request for indemnification in accordance with Section 11.2 of this Agreement, and the Company
shall have the burden of proof to overcome that presumption in connection with the making by any person, persons or entity of any determination contrary to that presumption. Neither the failure of the Company (including by its directors or
Independent Counsel) to have made a determination prior to the commencement of any action pursuant to this Agreement that indemnification is proper in the circumstances because Indemnitee has met the applicable standard of conduct, nor an actual
determination by the Company (including by its directors or Independent Counsel) that Indemnitee has not met such applicable standard of conduct, shall be a defense to the action or create a presumption that Indemnitee has not met the applicable
standard of conduct. 
 13.2. If the person, persons or entity empowered or selected under Section 12 of this
Agreement to determine whether Indemnitee is entitled to indemnification shall not have made a determination within thirty (30) days after receipt by the Company of the request therefor, the requisite determination of entitlement to
indemnification shall be deemed to have been made and Indemnitee shall to the fullest extent permitted by law and the Articles be entitled to such indemnification, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a
material fact necessary to make Indemnitee’s statement not materially misleading, in connection with the request for indemnification, or (ii) a final judicial determination that any or all such indemnification is expressly prohibited under
applicable law and the Articles; provided, however, that such 30-day period may be extended for a reasonable time, not to exceed an additional fifteen (15) days, if the person, persons or entity making
the determination with respect to entitlement to indemnification in good faith requires such additional time for the obtaining or evaluating of documentation and/or information relating thereto. 

13.3. The termination of any Proceeding or of any claim, issue or matter therein, by judgment, order, settlement or conviction, or upon a plea
of nolo contendere or its equivalent, shall not (except as otherwise expressly provided in this Agreement) of itself adversely affect the right of Indemnitee to indemnification or create a presumption that Indemnitee did not act in good faith and in
a manner which he or she reasonably believed to be in or not opposed to the best interests of the Company or, with respect to any criminal Proceeding, that Indemnitee had reasonable cause to believe that his or her conduct was unlawful. 

13.4. For purposes of any determination of good faith, Indemnitee shall be deemed to have acted in good faith if Indemnitee’s action is
based on the records or books of account of the Enterprise, including financial statements, or on information supplied to Indemnitee by the directors, manager or officers of the Enterprise in the course of their duties, or on the advice of legal
counsel for the Enterprise, its Board, any committee of the Board or any director, trustee, general partner, manager or managing member, or on information or records given or reports made to the Enterprise, its Board, any committee of the Board or
any director, trustee, general partner, manager or managing member, by an independent certified public accountant or by an appraiser or other expert selected by the Enterprise, its Board, any committee of the Board or any director, trustee, general
partner, manager or managing member. The provisions of this Section 13.4 shall not be deemed to be exclusive or to limit in any way the other circumstances in which Indemnitee may be deemed or found to have met the
applicable standard of conduct set forth in this Agreement. 

  
 8 

 13.5. The knowledge and/or actions, or failure to act, of any other director, officer,
trustee, general partner, manager, managing member, fiduciary, agent or employee of the Enterprise shall not be imputed to Indemnitee for purposes of determining the right to indemnification under this Agreement. 

14. REMEDIES OF INDEMNITEE. 
 14.1. In the
event that (i) a determination is made pursuant to Section 12 of this Agreement that Indemnitee is not entitled to indemnification under this Agreement, (ii) advancement of Expenses, to the fullest extent
permitted by applicable law and the Articles, is not timely made pursuant to Section 10 of this Agreement, (iii) no determination of entitlement to indemnification shall have been made pursuant to
Section 12.1 of this Agreement within thirty (30) days after receipt by the Company of the request for indemnification, (iv) payment of indemnification is not made pursuant to Sections 5, 6, 7
or the last sentence of Section 12.1 of this Agreement within ten (10) days after receipt by the Company of a written request therefor, (v) a contribution payment is not made in a timely manner pursuant to
Section 8 of this Agreement, (vi) payment of indemnification pursuant to Section 3 or 4 of this Agreement is not made within ten (10) days after a determination has been made that
Indemnitee is entitled to indemnification, or (vii) payment to Indemnitee pursuant to any hold harmless or exoneration rights under this Agreement or otherwise is not made in accordance with this Agreement within ten (10) days after
receipt by the Company of a written request therefor, Indemnitee shall be entitled to an adjudication by the Cayman Court to such indemnification, hold harmless, exoneration, contribution or advancement rights. Alternatively, Indemnitee, at his or
her option, may seek an award in arbitration to be conducted by a single arbitrator pursuant to the Commercial Arbitration Rules and Mediation Procedures of the American Arbitration Association. Except as set forth herein, the provisions of Cayman
Islands law (without regard to its conflict of laws rules) shall apply to any such arbitration. The Company shall not oppose Indemnitee’s right to seek any such adjudication or award in arbitration. 

14.2. In the event that a determination shall have been made pursuant to Section 12.1 of this Agreement that
Indemnitee is not entitled to indemnification, any judicial proceeding or arbitration commenced pursuant to this Section 14 shall be conducted in all respects as a de novo trial, or arbitration, on the merits and Indemnitee
shall not be prejudiced by reason of that adverse determination. In any judicial proceeding or arbitration commenced pursuant to this Section 14, Indemnitee shall be presumed to be entitled to be indemnified, held harmless,
exonerated to receive advances of Expenses under this Agreement and the Company shall have the burden of proving Indemnitee is not entitled to be indemnified, held harmless, exonerated and to receive advances of Expenses, as the case may be, and the
Company may not refer to or introduce into evidence any determination pursuant to Section 12.1 of this Agreement adverse to Indemnitee for any purpose. If Indemnitee commences a judicial proceeding or arbitration pursuant
to this Section 14, Indemnitee shall not be required to reimburse the Company for any advances pursuant to Section 10 until a final determination is made with respect to Indemnitee’s
entitlement to indemnification (as to which all rights of appeal have been exhausted or lapsed). 
 14.3. If a determination shall have been
made pursuant to Section 12.1 of this Agreement that Indemnitee is entitled to indemnification, the Company shall be bound by such determination in any judicial proceeding or arbitration commenced pursuant to this
Section 14, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s statement not materially misleading, in connection with the request for
indemnification, or (ii) a prohibition of such indemnification under applicable law and the Articles. 
 14.4. The Company shall be
precluded from asserting in any judicial proceeding or arbitration commenced pursuant to this Section 14 that the procedures and presumptions of this Agreement are not valid, binding and enforceable and shall stipulate in
any such court or before any such arbitrator that the Company is bound by all the provisions of this Agreement. 
 14.5. The Company shall
indemnify and hold harmless Indemnitee to the fullest extent permitted by law against all Expenses and, if requested by Indemnitee, shall (within ten (10) days after the Company’s receipt of such written request) pay to Indemnitee, to the
fullest extent permitted by applicable law and the Articles, such Expenses which are incurred by Indemnitee in connection with any judicial proceeding or arbitration brought by Indemnitee (i) to enforce his or her rights under, or to recover
damages for breach of, this Agreement or any other indemnification, hold harmless, exoneration, advancement or contribution agreement or provision of the Articles hereafter in effect; or (ii) for recovery or advances under any insurance policy
maintained by any person for the benefit of Indemnitee, regardless of the outcome and whether Indemnitee ultimately is determined to be entitled to such indemnification, hold harmless or exoneration right, advancement, contribution or insurance
recovery, as the case may be (unless such judicial proceeding or arbitration was not brought by Indemnitee in good faith). 

  
 9 

 14.6. Interest shall be paid by the Company to Indemnitee at the legal rate to be agreed
between the Company and the Indemnitee for amounts which the Company indemnifies, holds harmless or exonerates, or advances, or is obliged to indemnify, hold harmless or exonerate or advance for the period commencing with the date on which
Indemnitee requests indemnification, to be held harmless, exonerated, contribution, reimbursement or advancement of any Expenses and ending with the date on which such payment is made to Indemnitee by the Company. 

15. SECURITY. 
 Notwithstanding anything herein to the
contrary except for Section 27, to the extent requested by Indemnitee and approved by the Board, the Company may at any time and from time to time provide security to Indemnitee for the Company’s obligations hereunder
through an irrevocable bank line of credit, funded trust or other collateral. Any such security, once provided to Indemnitee, may not be revoked or released without the prior written consent of Indemnitee. 

16. NON-EXCLUSIVITY; SURVIVAL OF RIGHTS; INSURANCE; SUBROGATION. 

16.1. The rights of Indemnitee as provided by this Agreement shall not be deemed exclusive of any other rights to which Indemnitee may at any
time be entitled under applicable law, the Articles, any agreement, a vote of shareholders or a resolution of directors, or otherwise. No amendment, alteration or repeal of this Agreement or of any provision hereof shall limit or restrict any right
of Indemnitee under this Agreement in respect of any Proceeding (regardless of when such Proceeding is first threatened, commenced or completed) arising out of, or related to, any action taken or omitted by such Indemnitee in his or her Corporate
Status prior to such amendment, alteration or repeal. To the extent that a change in applicable law and the Articles, whether by statute or judicial decision, permits greater indemnification, hold harmless or exoneration rights or advancement of
Expenses than would be afforded currently under the Articles or this Agreement, then this Agreement (without any further action by the parties hereto) shall automatically be deemed to be amended to require that the Company indemnify Indemnitee to
the fullest extent permitted by law. No right or remedy herein conferred is intended to be exclusive of any other right or remedy, and every other right and remedy shall be cumulative and in addition to every other right and remedy given hereunder
or now or hereafter existing at law or in equity or otherwise. The assertion or employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or employment of any other right or remedy. 

16.2. The Companies Law (2020 Revision) of the Cayman Islands and the Articles permit the Company to purchase and maintain insurance or furnish
similar protection or make other arrangements including, but not limited to, providing a trust fund, letter of credit, or surety bond (“Indemnification Arrangements”) on behalf of Indemnitee against any liability asserted
against him or her or incurred by or on behalf of him or her or in such capacity as a director, officer, employee or agent of the Company, or arising out of his or her status as such, whether or not the Company would have the power to indemnify him
or her against such liability under the provisions of this Agreement or under the Companies Law (2020 Revision) of the Cayman Islands, as it may then be in effect. The purchase, establishment, and maintenance of any such Indemnification Arrangement
shall not in any way limit or affect the rights and obligations of the Company or of Indemnitee under this Agreement except as expressly provided herein, and the execution and delivery of this Agreement by the Company and Indemnitee shall not in any
way limit or affect the rights and obligations of the Company or the other party or parties thereto under any such Indemnification Arrangement. 

16.3. To the extent that the Company maintains an insurance policy or policies providing liability insurance for directors, officers, trustees,
partners, managers, managing members, fiduciaries, employees, or agents of the Company or of any other Enterprise which such person serves at the request of the Company, Indemnitee shall be covered by such policy or policies in accordance with its
or their terms to the maximum extent of the coverage available for any such director, officer, trustee, partner, managers, managing member, fiduciary, employee or agent under such policy or policies. If, at the time the Company receives notice from
any source of a Proceeding 

  
 10 

 
as to which Indemnitee is a party or a participant (as a witness, deponent or otherwise), the Company has director and officer liability insurance in effect, the Company shall give prompt notice
of such Proceeding to the insurers in accordance with the procedures set forth in the respective policies. The Company shall thereafter take all necessary or desirable action to cause such insurers to pay, on behalf of Indemnitee, all amounts
payable as a result of such Proceeding in accordance with the terms of such policies. 
 16.4. In the event of any payment under this
Agreement, the Company shall be subrogated to the extent of such payment to all of the rights of recovery of Indemnitee, who shall execute all papers required and take all action necessary to secure such rights, including execution of such documents
as are necessary to enable the Company to bring suit to enforce such rights. 
 16.5. The Company’s obligation to indemnify, hold
harmless, exonerate or advance expenses hereunder to Indemnitee who is or was serving at the request of the Company as a director, officer, trustee, partner, manager, managing member, fiduciary, employee or agent of any other Enterprise shall be
reduced by any amount Indemnitee has actually received as indemnification, hold harmless or exoneration payments or advancement of expenses from such Enterprise. Notwithstanding any other provision of this Agreement to the contrary except for
Section 27, (i) Indemnitee shall have no obligation to reduce, offset, allocate, pursue or apportion any indemnification, hold harmless, exoneration, advancement, contribution or insurance coverage among multiple parties possessing such duties
to Indemnitee prior to the Company’s satisfaction and performance of all its obligations under this Agreement, and (ii) the Company shall perform fully its obligations under this Agreement without regard to whether Indemnitee holds, may
pursue or has pursued any indemnification, advancement, hold harmless, exoneration, contribution or insurance coverage rights against any person or entity other than the Company. 

17. DURATION OF AGREEMENT. 
 All agreements and
obligations of the Company contained herein shall continue during the period Indemnitee serves as a director or officer of the Company or as a director, officer, trustee, partner, manager, managing member, fiduciary, employee or agent of any other
company or corporation, partnership, joint venture, trust, employee benefit plan or other Enterprise which Indemnitee serves at the request of the Company and shall continue thereafter so long as Indemnitee shall be subject to any possible
Proceeding (including any rights of appeal thereto and any Proceeding commenced by Indemnitee pursuant to Section 14 of this Agreement) by reason of his or her Corporate Status, whether or not he or she is acting in any
such capacity at the time any liability or expense is incurred for which indemnification or advancement can be provided under this Agreement. 
 18.
SEVERABILITY. 
 If any provision or provisions of this Agreement shall be held to be invalid, illegal or unenforceable for any reason whatsoever:
(a) the validity, legality and enforceability of the remaining provisions of this Agreement (including, without limitation, each portion of any Section, paragraph or sentence of this Agreement containing any such provision held to be invalid,
illegal or unenforceable, that is not itself invalid, illegal or unenforceable) shall not in any way be affected or impaired thereby and shall remain enforceable to the fullest extent permitted by law; (b) such provision or provisions shall be
deemed reformed to the extent necessary to conform to applicable law and the Articles and to give the maximum effect to the intent of the parties hereto; and (c) to the fullest extent possible, the provisions of this Agreement (including,
without limitation, each portion of any Section, paragraph or sentence of this Agreement containing any such provision held to be invalid, illegal or unenforceable, that is not itself invalid, illegal or unenforceable) shall be construed so as to
give effect to the intent manifested thereby. 
 19. ENFORCEMENT AND BINDING EFFECT. 

19.1. The Company expressly confirms and agrees that it has entered into this Agreement and assumed the obligations imposed on it hereby in
order to induce Indemnitee to serve as a director, officer or key employee of the Company, and the Company acknowledges that Indemnitee is relying upon this Agreement in serving as a director, officer or key employee of the Company. 

  
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 19.2. Without limiting any of the rights of Indemnitee under the Articles of the Company as
they may be amended from time to time, this Agreement constitutes the entire agreement between the parties hereto with respect to the subject matter hereof and supersedes all prior agreements and understandings, oral, written and implied, between
the parties hereto with respect to the subject matter hereof. 
 19.3. The indemnification, hold harmless, exoneration and advancement of
expenses rights provided by or granted pursuant to this Agreement shall be binding upon and be enforceable by the parties hereto and their respective successors and assigns (including any direct or indirect successor by purchase, merger,
consolidation or otherwise to all or substantially all of the business or assets of the Company), shall continue as to an Indemnitee who has ceased to be a director, officer, employee or agent of the Company or a director, officer, trustee, general
partner, manager, managing member, fiduciary, employee or agent of any other Enterprise at the Company’s request, and shall inure to the benefit of Indemnitee and his or her spouse, assigns, heirs, devisees, executors and administrators and
other legal representatives. 
 19.4. The Company shall require and cause any successor (whether direct or indirect by purchase, merger,
consolidation or otherwise) to all, substantially all or a substantial part, of the business and/or assets of the Company, by written agreement in form and substance satisfactory to Indemnitee, expressly to assume and agree to perform this Agreement
in the same manner and to the same extent that the Company would be required to perform if no such succession had taken place. 
 19.5. The
Company and Indemnitee agree herein that a monetary remedy for breach of this Agreement, at some later date, may be inadequate, impracticable and difficult of proof, and further agree that such breach may cause Indemnitee irreparable harm.
Accordingly, the parties hereto agree that Indemnitee may enforce this Agreement by seeking, among other things, injunctive relief and/or specific performance hereof, without any necessity of showing actual damage or irreparable harm and that by
seeking injunctive relief and/or specific performance, Indemnitee shall not be precluded from seeking or obtaining any other relief to which he or she may be entitled. The Company and Indemnitee further agree that Indemnitee shall be entitled to
such specific performance and injunctive relief, including temporary restraining orders, preliminary injunctions and permanent injunctions, without the necessity of posting bonds or other undertaking in connection therewith. The Company acknowledges
that in the absence of a waiver, a bond or undertaking may be required of Indemnitee by a Court of competent jurisdiction and the Company hereby waives any such requirement of such a bond or undertaking. 

20. MODIFICATION AND WAIVER. 
 No supplement, modification
or amendment of this Agreement shall be binding unless executed in writing by the parties hereto. No waiver of any of the provisions of this Agreement shall be deemed or shall constitute a waiver of any other provisions of this Agreement nor shall
any waiver constitute a continuing waiver. 
 21. NOTICES. 

All notices, requests, demands and other communications under this Agreement shall be in writing and shall be deemed to have been duly given (i) if
delivered by hand and receipted for by the party to whom said notice or other communication shall have been directed, on such delivery, or (ii) if mailed by certified or registered mail with postage prepaid, on the third (3rd) business day
after the date on which it is so mailed: 
 (a) If to Indemnitee, at the address indicated on the signature page of this Agreement, or such
other address as Indemnitee shall provide in writing to the Company. 
 (b) If to the Company, to: 

Fortress Capital Acquisition Corp. 

1345 Avenue of the Americas 
 45th
Floor 
 New York, New York 10105 

Attn: Daniel N. Bass 

  
 12 

 With a copy, which shall not constitute notice, to: 

Weil, Gotshal & Manges LLP 

767 Fifth Avenue 
 New York, NY
10153 
 Attn: Alexander D. Lynch, Esq. 

or to any other address as may have been furnished to Indemnitee in writing by the Company. 

22. APPLICABLE LAW AND CONSENT TO JURISDICTION. 
 This
Agreement and the legal relations among the parties shall be governed by, and construed and enforced in accordance with, the laws of the State of New York, without regard to its conflict of laws rules. Except with respect to any arbitration
commenced by Indemnitee pursuant to Section 14.1 of this Agreement, the Company and Indemnitee hereby irrevocably and unconditionally: (a) agree that any action or proceeding arising out of or in connection with this
Agreement shall be brought only in the Cayman Court and not in any other state or federal court in the United States of America or any court in any other country; (b) consent to submit to the exclusive jurisdiction of the Cayman Court for
purposes of any action or proceeding arising out of or in connection with this Agreement; (c) waive any objection to the laying of venue of any such action or proceeding in the Cayman Court; and (d) waive, and agree not to plead or to
make, any claim that any such action or proceeding brought in the Cayman Court has been brought in an improper or inconvenient forum, or is subject (in whole or in part) to a jury trial. 

23. IDENTICAL COUNTERPARTS. 
 This Agreement may be
executed in one or more counterparts, each of which shall for all purposes be deemed to be an original but all of which together shall constitute one and the same Agreement. Only one such counterpart signed by the party against whom enforceability
is sought needs to be produced to evidence the existence of this Agreement. 
 24. MISCELLANEOUS. 

The headings of the paragraphs of this Agreement are inserted for convenience only and shall not be deemed to constitute part of this Agreement or to affect
the construction thereof. 
 25. PERIOD OF LIMITATIONS. 

No legal action shall be brought and no cause of action shall be asserted by or in the right of the Company against Indemnitee, Indemnitee’s spouse,
heirs, executors or personal or legal representatives after the expiration of two years from the date of accrual of such cause of action, and any claim or cause of action of the Company shall be extinguished and deemed released unless asserted by
the timely filing of a legal action within such two-year period; provided, however, that if any shorter period of limitations is otherwise applicable to any such cause of action such shorter period shall
govern. 
 26. ADDITIONAL ACTS. 
 If for the validation
of any of the provisions in this Agreement any act, resolution, approval or other procedure is required to the fullest extent permitted by the law and the Articles, the Company undertakes to cause such act, resolution, approval or other procedure to
be affected or adopted in a manner that will enable the Company to fulfill its obligations under this Agreement. 

  
 13 

 27. WAIVER OF CLAIMS TO TRUST ACCOUNT. 

Notwithstanding anything contained herein to the contrary, Indemnitee hereby agrees that it does not have any right, title, interest or claim of any kind
(each, a “Claim”) in or to any monies in the trust account established in connection with the Company’s initial public offering for the benefit of the Company and holders of shares issued in such offering, and hereby
waives any Claim it may have in the future as a result of, or arising out of, any services provided to the Company and will not seek recourse against such trust account for any reason whatsoever. Accordingly, Indemnitee acknowledges and agrees that
any indemnification provided hereto will only be satisfied by the Company if (i) the Company has sufficient funds outside of the Trust Account to satisfy its obligation hereunder or (ii) the Company completes a Business Combination. 

28. MAINTENANCE OF INSURANCE. 
 The Company shall use
commercially reasonable efforts to obtain and maintain in effect during the entire period for which the Company is obligated to indemnify the Indemnitee under this Agreement, one or more policies of insurance with reputable insurance companies to
provide the officers/directors of the Company with coverage for losses from wrongful acts and omissions and to ensure the Company’s performance of its indemnification obligations under this Agreement. The Indemnitee shall be covered by such
policy or policies in accordance with its or their terms to the maximum extent of the coverage available for any such director or officer under such policy or policies. In all such insurance policies, the Indemnitee shall be named as an insured in
such a manner as to provide the Indemnitee with the same rights and benefits as are accorded to the most favorably insured of the Company’s directors and officers. 

[SIGNATURE PAGE FOLLOWS] 

  
 14 

 IN WITNESS WHEREOF, the parties hereto have caused this Indemnity Agreement to be
signed as of the day and year first above written. 
  

			
	FORTRESS CAPITAL ACQUISITION CORP.
		
	By:	 	 /s/ Daniel N. Bass

		 	Name: Daniel N. Bass
		 	Title: Chief Financial Officer
	
	INDEMNITEE:
		
	By:	 	 /s/ Michael Nierenberg

		 	Name: Michael Nierenberg
		 	Title: Director

  
 15

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