Document:

EX-10.20

 Exhibit 10.20 

STOCKHOLDERS AGREEMENT 

DATED AS OF SEPTEMBER 15, 2019 

AMONG 
 VIVINT SMART
HOME, INC., 
 MOSAIC ACQUISITION CORP. 

AND 
 THE OTHER PARTIES
HERETO 
  

 Table of Contents 

 

							
	 	  	 	  	Page	 
	ARTICLE I INTRODUCTORY MATTERS	  	 	1	
			
	 1.1.
	  	Defined Terms	  	 	1	
	 1.2.
	  	Construction	  	 	6	
		
	ARTICLE II CORPORATE GOVERNANCE MATTERS	  	 	6	
			
	 2.1.
	  	Election of Directors	  	 	6	
	 2.2.
	  	Compensation	  	 	9	
	 2.3.
	  	Other Rights of Stockholder Designees	  	 	9	
	 2.4.
	  	Board Observer Rights	  	 	9	
		
	ARTICLE III INFORMATION	  	 	10	
			
	 3.1.
	  	Books and Records; Access	  	 	10	
	 3.2.
	  	Sharing of Information	  	 	11	
	 3.3.
	  	Corporate Opportunities	  	 	11	
		
	ARTICLE IV ADDITIONAL COVENANTS	  	 	13	
			
	 4.1.
	  	Pledges	  	 	13	
	 4.2.
	  	Spin-Offs or Split-Offs	  	 	13	
	 4.3.
	  	Certain Transfers	  	 	14	
	 4.4.
	  	Shelf Registration Statement	  	 	14	
		
	ARTICLE V GENERAL PROVISIONS	  	 	14	
			
	 5.1.
	  	Termination	  	 	14	
	 5.2.
	  	Notices	  	 	14	
	 5.3.
	  	Amendment; Waiver	  	 	15	
	 5.4.
	  	Further Assurances	  	 	16	
	 5.5.
	  	Assignment	  	 	17	
	 5.6.
	  	Third Parties	  	 	17	
	 5.7.
	  	Governing Law	  	 	17	
	 5.8.
	  	Jurisdiction; Waiver of Jury Trial	  	 	17	
	 5.9.
	  	Specific Performance	  	 	18	
	 5.10.
	  	Entire Agreement	  	 	18	
	 5.11.
	  	Severability	  	 	18	
	 5.12.
	  	Table of Contents, Headings and Captions	  	 	18	
	 5.13.
	  	Grant of Consent	  	 	18	
	 5.14.
	  	Counterparts	  	 	18	
	 5.15.
	  	Effectiveness; Termination of Existing Stockholders and Securityholders Agreements	  	 	18	
	 5.16.
	  	No Recourse	  	 	19	

  
 i 

 STOCKHOLDERS AGREEMENT 

This Stockholders Agreement is dated as of September 15, 2019 and is among Vivint Smart Home, Inc., a Delaware corporation
(“Legacy Vivint”), Mosaic Acquisition Corp., a Delaware corporation (“Mosaic”), 313 Acquisition (as defined below), each of the other stockholder parties identified on Exhibit A hereto and the other
persons who enter into a joinder to this Agreement substantially in the form of Exhibit B hereto with the Company in order to become a “Stockholder Party” for purposes of this Agreement (collectively, the “Stockholder
Parties”). 
 BACKGROUND: 

WHEREAS, the Stockholder Parties own equity interests in 313 Acquisition, Legacy Vivint and/or Mosaic; 

WHEREAS, certain of the Stockholder Parties are party to the Stockholders Agreement, dated as of April 25, 2016 (as amended
prior to the date of this Agreement, the “Preferred Stockholders Agreement”), among Vivint Smart Home, Inc. (f/k/a APX Parent Holdco, Inc.) and the other parties thereto, certain of the Stockholder Parties are each
party to a Subscription Agreement, dated as of July 20, 2016 (each as amended prior to the date of this Agreement, an “Employee Preferred Subscription Agreement”), between Vivint Smart Home, Inc. (f/k/a APX Parent
Holdco, Inc.) and such Stockholder Party, certain of the Stockholder Parties are party to the Amended and Restated Stockholders Agreement, dated as of July 31, 2019 (as amended prior to the date of this Agreement, the “SM
Stockholders Agreement”) and certain of the Stockholder Parties are party to the Second Amended and Restated Limited Liability Company Agreement of 313 Acquisition LLC, dated as of September 15, 2019, and the Amended and Restated
Securityholders Agreement of 313 Acquisition LLC, dated as of September 15, 2019 (as amended prior to the date of this Agreement, collectively, the “313 Agreements”); 

WHEREAS, Legacy Vivint and Mosaic are executing the Merger Agreement (as defined below) on the date hereof pursuant to which a
subsidiary of Mosaic will merge with and into Legacy Vivint and Mosaic will be renamed Vivint Smart Home, Inc.; and 
 WHEREAS, in
connection with the Merger and effective upon the consummation thereof, the parties hereto wish to set forth herein certain understandings between such parties, including with respect to certain governance and other matters. 

NOW, THEREFORE, the parties agree as follows: 

ARTICLE I 
 INTRODUCTORY
MATTERS 
 1.1.    Defined Terms. In addition to the terms defined elsewhere herein, the following
terms have the following meanings when used herein with initial capital letters: 
 “313 Acquisition” means (i) 313
Acquisition LLC, a Delaware limited liability company, and (ii) following the dissolution of 313 Acquisition LLC, Blackstone (including, for the avoidance of doubt, any of their Permitted Transferees). 

 “313 Acquisition Entities” means, collectively, 313 Acquisition LLC,
a Delaware limited liability company, Blackstone and their Affiliates and their respective successors and Permitted Transferees. 

“313 Agreements” has the meaning set forth in the Preamble. 

“Affiliate” has the meaning set forth in Rule 12b-2 promulgated under the
Exchange Act, as in effect on the date hereof; provided that for purposes of Section 3.3, “Affiliate” has the meaning set forth in Section 3.3(e). 

“Agreement” means this Stockholders Agreement, as the same may be amended, supplemented, restated or otherwise
modified from time to time in accordance with the terms hereof. 
 “Beneficially Own” has the meaning set forth in
Rule 13d-3 promulgated under the Exchange Act. 
 “Black Horse Holders”
means (a) Stockholder Parties that are “Black Horse Members” as defined in the Amended and Restated Limited Liability Company Agreement of 313 Acquisition LLC, a Delaware limited liability company, and (b) their respective
Permitted Transferees. 
 “Blackstone” means Blackstone Capital Partners VI L.P., Blackstone Family Investment
Partnership VI – ESC L.P., Blackstone Family Investment Partnership VI L.P., Blackstone VNT Co-Invest L.P., BCP Voyager Holdings LP and their Affiliates and related investment vehicles and their
Affiliates and, in each case, their Permitted Transferees. 
 “Blackstone Designator” means 313 Acquisition LLC or
any other 313 Acquisition Entity designated in writing by Blackstone (including, for the avoidance of doubt, any Permitted Transferees). 

“Blackstone Designee” has the meaning set forth in Section 2.1(a)(i). 

“Board” means the board of directors of the Company. 

“Board Materials” has the meaning set forth in Section 2.4. 

“Business Day” means a day other than a Saturday, Sunday, federal or New York State holiday or other day on which
commercial banks in New York City are authorized or required by Law to close. 
 “Class A
Units” has the meaning set forth in the Amended and Restated Limited Liability Company Agreement of 313 Acquisition LLC, a Delaware limited liability company. 

  
 2 

 “Closing Date” means the date of consummation of the Merger. 

“Company” means Mosaic following the consummation of the Merger, which shall be renamed “Vivint Smart Home,
Inc.” 
 “Confidentiality and Lockup Agreement” means, with respect to a Stockholder Party, the Confidentiality
and Lockup Agreement to which such Stockholder Party is party with Mosaic. 
 “Control” (including its correlative
meanings, “Controlled by” and “under common Control with”) means possession, directly or indirectly, of the power to direct or cause the direction of management or policies (whether through ownership of securities
or partnership or other ownership interests, by contract or otherwise) of a Person; provided that for purposes of Section 3.3, “control,” including the terms “controlling,” “controlled by” and “under
common control with,” has the meaning set forth in Section 3.3(f). 
 “designated representatives” means,
with respect to a Stockholder Party, (a) its and its Affiliates’ directors, managers, officers, attorneys, accountants, consultants, insurers, financing sources and other advisors in connection with such Stockholder Party’s investment
in the Company, (b) any Person, including a prospective purchaser of shares or any Person who has expressed a bona fide interest in becoming a limited partner, member or other equity holder in such Stockholder Party or its related investment
funds, as long as such Person has agreed to maintain the confidentiality of Confidential Information (as defined in the Confidentiality and Lockup Agreement) and (c) any of such Stockholder Party’s or their respective Affiliates’
partners, members, stockholders, directors, managers, officers, other fiduciaries, employees or agents in the ordinary course of business. 

“Director” means any member of the Board. 

“Dunn Holders” means the Stockholder Parties controlled by Alex Dunn and their respective Permitted Transferees. 

“Employee Preferred Subscription Agreement” has the meaning set forth in the Preamble. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated
thereunder, as the same may be amended from time to time. 
 “Fortress” has the meaning set forth in
Section 2.1(a)(ii) and includes its Affiliates that are Permitted Transferees. 
 “Fortress Designee” has the
meaning set forth in Section 2.1(a)(ii). 
 “Fortress Holders” means Fortress, Fortress Mosaic Sponsor LLC, a
Delaware limited liability company, Fortress Mosaic Anchor LLC, a Delaware limited liability company, and their respective Permitted Transferees. 

“Fortress Observer” has the meaning set forth in Section 2.4. 

  
 3 

 “Governmental Authority” means any nation or government, any state
or other political subdivision thereof, and any entity exercising executive, legislative, judicial, regulatory or administrative functions of or pertaining to government. 

“Identified Persons” has the meaning set forth in Section 3.3(b). 

“Information” has the meaning set forth in Section 3.1. 

“Information Parties” means (i) the 313 Acquisition Entities and their designated representatives (or other
designees), (ii) upon written request by the Solamere Holders and for so long as the Solamere Holders Beneficially Own at least 50% of the shares the Solamere Holders Beneficially Own immediately following the consummation of the Merger, the
Solamere Holders or their respective designated representatives (or other designees), (iii) upon written request by the Rivendell Holders and for so long as the Rivendell Holders Beneficially Own at least 50% of the shares the Rivendell Holders
Beneficially Own immediately following the consummation of the Merger, the Rivendell Holders or their respective designated representatives (or other designees), (iv) upon written request by the Fortress Holders and for so long as the Fortress
Holders Beneficially Own at least 50% of the shares the Fortress Holders Beneficially Own immediately following the consummation of the Merger, the Fortress Holders or their respective designated representatives (or other designees) and
(v) upon written request by the Summit Holders and for so long as the Summit Holders Beneficially Own at least 50% of the shares the Summit Holders Beneficially Own immediately following the consummation of the Merger, the Summit Holders or
their respective designated representatives (or other designees). 
 “Law” means any statute, law, regulation,
ordinance, rule, injunction, order, decree, governmental approval, directive, requirement, or other governmental restriction or any similar form of decision of, or determination by, or any interpretation or administration of any of the foregoing by,
any Governmental Authority. 
 “Merger” means the merger of Maiden Merger Sub, Inc., a Delaware corporation and a
subsidiary of Mosaic (“Merger Sub”), with and into Legacy Vivint. 
 “Merger Agreement”
means that certain Agreement and Plan of Merger, dated as of September 15, 2019, by and among Mosaic, Merger Sub and Legacy Vivint, as it may be amended, supplemented, restated or otherwise modified from time to time. 

“NewCo” has the meaning set forth in Section 4.2. 

“Non-Employee Directors” has the meaning set forth in Section 3.3(a).

 “Non-Recourse Party” has the meaning set forth in Section 5.16. 

“Pedersen Holders” means the Stockholder Parties controlled by Todd Pedersen and their respective Permitted
Transferees. 
 “Permitted Transferees” means with respect to 313 Acquisition, Blackstone, a Fortress Holder, a
Solamere Holder or a Rivendell Holder, a Transferee of shares that agrees to become party to, and to be bound to the same extent as its Transferor by the terms of, this Agreement and such Transferor’s Confidentiality and Lockup Agreement. 

  
 4 

 “Person” means an individual, a partnership, a corporation, a
limited liability company, an association, a joint stock company, a trust, a joint venture, an unincorporated organization, or other form of business organization, whether or not regarded as a legal entity under applicable Law, or any Governmental
Authority or any department, agency or political subdivision thereof. 
 “PIPE Holders” means Blackstone Capital
Partners VI LP., Blackstone Family Investment Partnership VI - ESC L.P. and Blackstone Family Investment Partnership VI L.P. (and, to the extent it acquires shares as an assignee of any such Persons under their respective Subscription Agreements,
dated as of September 15, 2019, with Mosaic and Legacy Vivint, BCP Voyager Holdings LP) and Drawbridge Special Opportunities Fund LP (and, to the extent it acquires shares as an assignee of such Person under its Subscription Agreement, dated as
of September 15, 2019, with Mosaic and Legacy Vivint, Fortress Mosaic Investor LLC) and, in each case, their respective Permitted Transferees. 

“Preferred Stockholders Agreement” has the meaning set forth in the Preamble. 

“Registration Rights Agreement” means the Registration Rights Agreement, dated as of September 15, 2019, by and
among Legacy Vivint, Mosaic and the other parties thereto. 
 “Rivendell” means Rivendell Investments 2016-5 LLC, a Delaware limited liability company. 
 “Rivendell Holders” means
Rivendell and its Permitted Transferees. 
 “shares” means shares of common stock of the Company or any securities
of the Company into which the shares are converted or reclassified or for which the shares are exchanged. 
 “SM Stockholders
Agreement” has the meaning set forth in the Preamble. 
 “Solamere” means Solamere V Investment, LLC, a
Delaware limited liability company. 
 “Solamere Holders” means Solamere and its Permitted Transferees. 

“Stockholder Designees” has the meaning set forth in Section 2.1(a)(ii). 

“Stockholder Parties” has the meaning set forth in the Preamble. 

“Subsidiary” means, with respect to any Person, any corporation, limited liability company, partnership, association
or other business entity of which: (i) if a corporation, a majority of the total voting power of shares of stock entitled (without regard to the occurrence of any contingency) to vote generally in the election of directors (or similar
fiduciaries) is at the time owned or Controlled, directly or indirectly, by that Person or one or more of the other Subsidiaries of that Person or a combination thereof; or (ii) if a limited liability company, partnership, association or other
business entity, a majority of the total voting power of limited 

  
 5 

 
liability company interests, partnership interests, stock or equivalent ownership interest of the limited liability company, partnership, association or other business entity is at the time owned
or Controlled, directly or indirectly, by any Person or one or more Subsidiaries of that Person or a combination thereof. For purposes hereof, a Person or Persons shall be deemed to have a majority ownership interest in a limited liability company,
partnership, association or other business entity if such Person or Persons shall be allocated a majority of the limited liability company, partnership, association or other business entity gains or losses or shall be or Control the managing member,
managing director or other governing body or general partner of such limited liability company, partnership, association or other business entity. 

“Summit Designator” means any Summit Holder designated in writing by the holders of a majority of the shares held by
the Summit Holders. 
 “Summit Designee” has the meaning set forth in Section 2.1(a)(iii). 

“Summit Holders” means Stockholder Parties that are “Summit Members” as defined in the Amended and Restated
Limited Liability Company Agreement of 313 Acquisition LLC, a Delaware limited liability company. 
 “Total Number of
Directors” means the total number of Directors comprising the Board from time to time. 
 “Transfer”
(including its correlative meanings, “Transferor”, “Transferee” and “Transferred”) shall mean, with respect to any security, directly or indirectly, to sell, contract to sell,
give, assign, hypothecate, pledge, encumber, grant a security interest in, offer, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend or otherwise transfer or dispose
of any economic, voting or other rights in or to such security. When used as a noun, “Transfer” shall have such correlative meaning as the context may require. 

1.2.    Construction. The language used in this Agreement will be deemed to be the language chosen by the
parties to express their mutual intent, and no rule of strict construction will be applied against any party. Unless the context otherwise requires: (a) “or” is disjunctive but not exclusive, (b) words in the singular include the
plural, and in the plural include the singular, and (c) the words “hereof”, “herein”, and “hereunder” and words of similar import when used in this Agreement refer to this Agreement as a whole and not to any
particular provision of this Agreement, and Section references are to sections of this Agreement unless otherwise specified. 
 ARTICLE II

 CORPORATE GOVERNANCE MATTERS 

2.1.    Election of Directors. (a) (i) Following the Closing Date, the Blackstone Designator shall have
the right, but not the obligation, to designate, and the individuals nominated for election as Directors by or at the direction of the Board or a duly authorized committee thereof shall include, a number of individuals such that, upon the election
of each such individual, and each other individual nominated by or at the direction of the Board or a duly authorized committee of the Board or pursuant to Section 2.1(a)(ii) of this Agreement, as a

  
 6 

 
Director and taking into account any Director continuing to serve without the need for re-election, the number of Blackstone Designees (as defined below)
serving as Directors of the Company will be equal to: (i) a majority of the Total Number of Directors, so long as 313 Acquisition Entities Beneficially Own in the aggregate 50% or more of the outstanding shares; (ii) 40% of the Total
Number of Directors, in the event that 313 Acquisition Entities Beneficially Own in the aggregate more than 40%, but not 50% or more, of the outstanding shares; (iii) 30% of the Total Number of Directors, in the event that 313 Acquisition
Entities Beneficially Own in the aggregate more than 30%, but not more than 40%, of the outstanding shares; (iv) 20% of the Total Number of Directors, in the event that 313 Acquisition Entities Beneficially Own in the aggregate more than 20%,
but not more than 30%, of the outstanding shares; and (v) 10% of the Total Number of Directors, in the event that 313 Acquisition Entities Beneficially Own in the aggregate more than 5%, but not more than 20%, of the outstanding shares. In the
event that the Blackstone Designator shall not have designated nominees for all of the directorship for which it has designation rights, such directorship, if not then filled by or at the direction of the Blackstone Designator, shall remain vacant.
For purposes of calculating the number of Directors that the Blackstone Designator is entitled to designate pursuant to the immediately preceding sentence, any fractional amounts shall automatically be rounded up to the nearest whole number (e.g.,
one and one quarter (1 1/4) Directors shall equate to two Directors) and any such calculations shall be made after taking into account any increase in the Total Number of Directors. At the request of the Blackstone Designator for so long as the
Board is classified, the number of Directors nominated by the Blackstone Designator in each class shall be as nearly equal as possible. Any reduction in the designation entitlement described above resulting from a reduction in the 313 Acquisition
Entities’ percentage share ownership shall not shorten the term of any incumbent Blackstone Designee. Each such person whom the Blackstone Designator shall actually specify pursuant to this Section 2.1 and who is thereafter elected to the
Board to serve as a Director shall be referred to herein as a “Blackstone Designee.” 

(ii)    Fortress Mosaic Investor LLC (“Fortress”) shall, following the Closing
Date, be entitled to designate one (1) Director to the Board (each such person, a “Fortress Designee”) for so long as the Fortress Holders Beneficially Own at least 50% of the shares the Fortress Holders Beneficially Own
immediately following the consummation of the Merger; provided that the Fortress Designee must be an employee or principal of the SoftBank Vision Fund unless otherwise agreed in writing by the Blackstone Designator and the Company. If at any
time (x) the Fortress Holders no longer Beneficially Own at least 50% of the shares the Fortress Holders Beneficially Own immediately following the consummation of the Merger or (y) the Fortress Designee ceases to be an employee or
principal of the SoftBank Vision Fund, then upon receipt of a request from the Blackstone Designator or the Company to Fortress or the Fortress Designee, the Fortress Designee shall (and Fortress shall cause the Fortress Designee to) immediately
tender his or her resignation as a Director. 
 (iii)    The Summit Designator shall, following the
Closing Date, be entitled to designate one (1) Director to the Board (each such person, a “Summit Designee” and collectively with the Blackstone Designees and the Fortress Designee, the “Stockholder
Designees”) for so long as the Summit Holders Beneficially Own at least 50% of the shares the Summit Holders Beneficially Own immediately following the consummation of the Merger. If at any time the Summit Holders no longer Beneficially
Own at least 

  
 7 

 
50% of the shares the Summit Holders Beneficially Own immediately following the consummation of the Merger, then upon receipt of a request from the Blackstone Designator or the Company to the
Summit Designator or the Summit Designee, the Summit Designee shall (and Summit Holders shall cause the Summit Designee to) immediately tender his or her resignation as a Director. 

(b)    Directors are subject to removal pursuant to the applicable provisions of the certificate of incorporation of the
Company; provided, however, (i) for as long as this Agreement remains in effect, the Blackstone Designees may only be removed with the consent of the Blackstone Designator delivered in accordance with Section 5.13, (ii) for
as long as Fortress is entitled to designate a Fortress Designee in accordance with Section 2.1(a)(ii) and the Fortress Designee continues to be an employee or principal of the SoftBank Vision Fund, the Fortress Designee may only be removed
with the consent of Fortress and (iii) for as long as the Summit Designator is entitled to designate a Summit Designee in accordance with Section 2.1(a)(iii), the Summit Designee may only be removed with the consent of the Summit
Designator. 
 (c)    In the event that a vacancy is created at any time by the death, retirement, disability, removal
or resignation of any Stockholder Designee, the remaining Directors and the Company shall, to the fullest extent permitted by applicable Law (including with respect to any fiduciary duties under Delaware law), cause the vacancy created thereby to be
filled by a new designee of the Blackstone Designator, Fortress or the Summit Designator, as applicable, as soon as possible, if such Director was designated by the Blackstone Designator, Fortress or the Summit Designator, as applicable, and the
Company hereby agrees to take, to the fullest extent permitted by applicable Law (including with respect to any fiduciary duties under Delaware law), at any time and from time to time, all actions necessary to accomplish the same. In the event that
any Stockholder Designee shall fail to be elected to the Board at any meeting of shareholders called for the purpose of electing directors (or consent in lieu of meeting), the Company shall use its best efforts to cause such Blackstone Designee (or
a new designee of the Blackstone Designator), Fortress Designee (or a new designee of Fortress) or Summit Designee (or a new designee of the Summit Designator), as applicable, to be elected to the Board, as soon as possible, and the Company shall
take or cause to be taken, to the fullest extent permitted by applicable Law, at any time and from time to time, all actions necessary to accomplish the same, including, without limitation, actions to effect an increase in the Total Number of
Directors. For the avoidance of doubt, this Section 2.1(c) shall only apply to (x) Fortress for as long as Fortress is entitled to designate a Fortress Designee pursuant to Section 2.1(a)(ii), and (y) the Summit Designator for as
long as the Summit Designator is entitled to designate a Summit Designee pursuant to Section 2.1(a)(iii). 

(d)    The Company agrees, to the fullest extent permitted by applicable Law (including with respect to any fiduciary
duties under Delaware law), to include in the slate of nominees recommended by the Board for election at any meeting of stockholders called for the purpose of electing Directors the persons designated pursuant to this Section 2.1 (to the extent
that Directors of such nominee’s class are to be elected at such meeting, for so long as the Board is classified) and to nominate and recommend each such individual to be elected as a Director as provided herein, and to solicit proxies or
consents in favor thereof and to cause the applicable proxies to vote in accordance with the foregoing. The Company and the Directors shall take all necessary corporate action, to the fullest extent permitted by applicable Law (including with
respect to any 

  
 8 

 
fiduciary duties under Delaware law), to (x) enable the Blackstone Designator, Fortress and the Summit Designator to nominate and effect the election or appointment of their respective
designated individuals, whether by increasing the size of the Board, or otherwise and (y) designate the requisite number of additional individuals specified by the Blackstone Designator, Fortress or the Summit Designator to fill such newly
created vacancies or to fill any other existing vacancies, as warranted. 
 (e)    In addition to any vote or consent of
the Board or the shareholders of the Company required by applicable Law or the certificate of incorporation or other organizational document of the Company, and notwithstanding anything to the contrary in this Agreement, for so long as this
Agreement is in effect, any action by the Board to increase or decrease the Total Number of Directors (other than any increase in the Total Number of Directors in connection with the election of one or more Directors elected exclusively by the
holders of one or more classes or series of the Company’s securities other than common stock) shall require the prior written consent of the Blackstone Designator, delivered in accordance with Section 5.13 hereof. 

2.2.    Compensation. Except to the extent the Blackstone Designator, Fortress or the Summit Designator may
otherwise notify the Company, the Stockholder Designees shall be entitled to compensation consistent with the compensation received by other non-employee Directors, including any fees and equity awards,
provided that (x) to the extent any Director compensation is payable in the form of equity awards, at the election of a Stockholder Designee, in lieu of any equity award, such compensation shall be paid in an amount of cash equal to the value
of the equity award as of the date of the award, with any such cash subject to the same vesting terms, if any, as the equity awarded to other Directors and (y) at the election of a Stockholder Designee, any Director compensation (whether cash,
equity awards and/or cash in lieu of equity as may be designated by the electing Stockholder Designee) shall be paid to a Stockholder Party or an Affiliate thereof specified by such Stockholder Designee rather than to such Stockholder Designee. If
the Company adopts a policy that Directors own a minimum amount of equity in the Company, the Stockholder Designees shall not be subject to such policy. 

2.3.    Other Rights of Stockholder Designees. Except as provided in Section 2.2, each Stockholder
Designee serving on the Board shall be entitled to the same rights and privileges applicable to all other members of the Board generally or to which all such members of the Board are entitled. In furtherance of the foregoing, the Company shall
indemnify, exculpate, and reimburse fees and expenses of the Stockholder Designees and provide the Stockholder Designees with director and officer insurance to the same extent it indemnifies, exculpates, reimburses and provides insurance for the
other members of the Board pursuant to the certificate of incorporation, bylaws or other organizational document of the Company, applicable Law or otherwise. 

2.4.    Board Observer Rights. So long as the Fortress Holders Beneficially Own at least 50% of the shares
the Fortress Holders Beneficially Own immediately following the consummation of the Merger, Fortress shall have the right to designate (and remove) a representative (the “Fortress Observer”) who shall (1) have the right
to receive (when and as received by Directors) due notice of and to attend (whether in person or by telephone) and participate in discussions at (but not vote on any matters on which the Directors are entitled to vote) all meetings of the Board and
(2) have the right to receive copies of all documents and 

  
 9 

 
other information, including minutes, consents, business plans, presentation materials, monthly management reports, budgets and financial information furnished generally to members of the Board
when and as received by the Directors (“Board Materials”). The Company shall pay the reasonable out-of-pocket expenses incurred by the Fortress
Observer in connection with the meetings of the Board, so long as such expenses have not otherwise been reimbursed pursuant to any management, employment or advisory agreements with the Company or Fortress. Notwithstanding anything to the contrary
herein or otherwise, if counsel to the Company or a majority of the Board determines in good faith that allowing the Fortress Observer to (a) receive, inspect, review or otherwise have access to any Board Materials, or (b) be present for
consideration of any matter to be considered by the Board, would be in conflict with an obligation of confidentiality owed by the Company or the fiduciary obligations of the Directors or would potentially result in the loss of any attorney-client or
other privilege, then the Company shall not be required to furnish or make available to the Fortress Observer (and the Fortress Observer shall have no right to receive) related Board Materials and the Board may exclude the Fortress Observer from,
and the Fortress Observer shall have no right to be present for, consideration of such matter. For the avoidance of doubt, the Fortress Observer shall have no voting rights nor any fiduciary duty to the Company or its shareholders. 

ARTICLE III 
 INFORMATION

 3.1.    Books and Records; Access. The Company shall, and shall cause its Subsidiaries to, keep
proper books, records and accounts, in which full and correct entries shall be made of all financial transactions and the assets and business of the Company and each of its Subsidiaries in accordance with generally accepted accounting principles.
The Company shall, and shall cause its Subsidiaries to, (a) permit the Information Parties at reasonable times and upon reasonable prior notice to the Company, to review the books and records of the Company or any of such Subsidiaries and to
discuss the affairs, finances and condition of the Company or any of such Subsidiaries with the officers of the Company or any such Subsidiary and (b) provide the Information Parties, in addition to other information that might be reasonably
requested by such Information Parties from time to time (including, without limitation, information provided to the Information Parties in a manner consistent with past practice), (i) direct access to the Company’s auditors and officers, (ii) month-end reports, in a format to be prescribed by the 313 Acquisition Entities, to be provided within ten (10) days after the end of each month or as soon thereafter as practicable, (iii) quarter-end reports, in a format to be prescribed by the 313 Acquisition Entities, to be provided within thirty (30) days after the end of each quarter, (iv) the right to visit and inspect any
of the offices and properties of the Company and its Subsidiaries, (v) copies of all materials provided to the Board at the same time as provided to Directors, (vi) access to appropriate officers and Directors (or similar fiduciaries or
representatives) of the Company and its Subsidiaries at such times as may be requested by the 313 Acquisition Entities for consultation with the 313 Acquisition Entities with respect to matters relating to the business and affairs of the Company and
its Subsidiaries, (vii) information in advance with respect to any significant corporate actions, including, without limitation, extraordinary dividends or stock repurchases or redemptions, mergers, consolidations, acquisitions or dispositions
of assets, issuances of significant amounts of debt or equity and material amendments to the certificate of incorporation and bylaws (or equivalent organizational documents) of the Company or any of its Subsidiaries, and to provide the 313
Acquisition Entities with the right to consult with the 

  
 10 

 
Company and its Subsidiaries with respect to such actions, (viii) flash data, in a format to be prescribed by the 313 Acquisition Entities, to be provided within ten (10) days after the
end of each quarter and (ix) to the extent otherwise prepared by the Company, operating and capital expenditure budgets and periodic information packages relating to the operations and cash flows of the Company and its Subsidiaries (all such
information so furnished pursuant to this Section 3.1, the “Information”). The Company agrees to consider, in good faith, the recommendations of the 313 Acquisition Entities in connection with the matters on which the
Company is consulted as described above. Subject to Section 3.2, the Information Parties (and any party receiving Information from such Information Parties) who shall receive Information shall maintain the confidentiality of such Information.
Notwithstanding the foregoing, the Company shall not be required pursuant to this Section 3.1 to disclose to any Person any Information that counsel to the Company or the Board determines in good faith is subject to an attorney-client or other
privilege that would potentially be lost or waived through the disclosure of such Information to such person; provided that the Company (x) has used commercially reasonable efforts to enter into arrangements pursuant to which it may
provide such information to the Information Parties without the loss of any such privilege and (y) provides all Information other than the portions thereof which are required to be withheld to protect such privilege. 

3.2.    Sharing of Information. Individuals associated with each 313 Acquisition Entity may from time to
time serve on the Board or similar governing bodies of the Company and its Subsidiaries. The Company, on its behalf and on behalf of its Subsidiaries, recognizes that such individuals (i) will from time to time receive non-public information concerning the Company and its Subsidiaries, and (ii) may (subject to the obligation to maintain the confidentiality of such information in accordance with Section 3.1) share such
information with other individuals associated with the 313 Acquisition Entities. Such sharing will be for the dual purpose of facilitating support to such individuals in their capacity as Directors or members of any similar governing body and
enabling the 313 Acquisition Entities, as equityholders, to better evaluate the performance and prospects of the Company and its Subsidiaries. The Company, on behalf of itself and its Subsidiaries, hereby irrevocably consents to such sharing. 

3.3.    Corporate Opportunities 

(a)    In recognition and anticipation that (i) certain directors, principals, officers, employees and/or other
representatives of the Stockholder Parties and each of their Affiliates (as defined in this Section 3.3) may serve as directors, officers or agents of the Company, (ii) the Stockholder Parties and their Affiliates may now engage and may
continue to engage in the same or similar activities or related lines of business as those in which the Company, directly or indirectly, may engage or propose to engage and/or other business activities that overlap with or compete with those in
which the Company or any of its Affiliates, directly or indirectly, may engage or propose to engage, and (iii) members of the Board of Directors who are not employees of the Company
(“Non-Employee Directors”) and their respective Affiliates may now engage and may continue to engage in the same or similar activities or related lines of business as those in which the
Company, directly or indirectly, may engage and/or other business activities that overlap with or compete with those in which the Company or any of its Affiliates, directly or indirectly, may engage or propose to engage, the provisions of this
Section 3.3 are set forth to regulate and define the conduct of certain affairs of the Company with respect to certain classes or categories of business opportunities as they may involve any of the Stockholder Parties, the Non-Employee Directors or their respective Affiliates and the powers, rights, duties and liabilities of the Company and its directors, officers and stockholders in connection therewith. 

  
 11 

 (b)    None of (i) the Stockholder Parties or any of their
Affiliates or (ii) any Non-Employee Director (including any Non-Employee Director who serves as an officer of the Company in both his or her director and officer
capacities) or his or her Affiliates (the Persons identified in (i) and (ii) above being referred to, collectively, as “Identified Persons” and, individually, as an “Identified Person”) shall, to
the fullest extent permitted by law, have any duty to refrain from directly or indirectly (1) engaging in the same or similar business activities or lines of business in which the Company or any of its Affiliates now engages or proposes to
engage or (2) otherwise competing with the Company or any of its Affiliates, and, to the fullest extent permitted by law, no Identified Person shall be liable to the Company or its stockholders or to any Affiliate of the Company for breach of
any fiduciary duty solely by reason of the fact that such Identified Person engages in any such activities. To the fullest extent permitted by law, the Company hereby renounces any interest or expectancy in, or right to be offered an opportunity to
participate in, any business opportunity that may be a corporate opportunity for an Identified Person and the Company or any of its Affiliates, except as provided in Section 3.3(c). Subject to said Section 3.3(c), in the event that any
Identified Person acquires knowledge of a potential transaction or other business opportunity that may be a corporate opportunity for itself, herself or himself and the Company or any of its Affiliates, such Identified Person shall, to the fullest
extent permitted by law, have no duty to communicate or offer such transaction or other business opportunity to the Company or any of its Affiliates and, to the fullest extent permitted by law, shall not be liable to the Company or its stockholders
or to any Affiliate of the Company for breach of any fiduciary duty as a stockholder, director or officer of the Company solely by reason of the fact that such Identified Person pursues or acquires such corporate opportunity for itself, herself or
himself, or offers or directs such corporate opportunity to another Person or does not communicate information regarding such corporate opportunity to the Company. 

(c)    Notwithstanding the foregoing provisions of this Section 3.3, the Company does not renounce its interest in
any corporate opportunity offered to any Non-Employee Director (including any Non-Employee Director who serves as an officer of the Company) if such opportunity is
expressly offered to such person solely in his or her capacity as a director or officer of the Company, and the provisions of Section 3.3(b) shall not apply to any such corporate opportunity. 

(d)    In addition to and notwithstanding the foregoing provisions of this Section 3.3, a potential corporate
opportunity shall not be deemed to be a corporate opportunity for the Company if it is a business opportunity that (i) the Company is neither financially or legally able, nor contractually permitted to undertake, (ii) from its nature, is
not in the line of the Company’s business or is of no practical advantage to the Company or (iii) is one in which the Company has no interest or reasonable expectancy. 

(e)    For purposes of this Section 3.3, “Affiliate” shall mean (a) in respect of any
Stockholder Party, any Person that, directly or indirectly, is controlled by a Stockholder Party, controls a Stockholder Party or is under common control with a Stockholder Party and shall include any principal, member, director, partner,
stockholder, officer, employee or other representative of any of the foregoing (other than the Company and any entity that is controlled 

  
 12 

 
by the Company), (b) in respect of a Non-Employee Director, any Person that, directly or indirectly, is controlled by such
Non-Employee Director (other than the Company and any entity that is controlled by the Company) and (c) in respect of the Company, any Person that, directly or indirectly, is controlled by the Company.

 (f)    For purposes of this Section 3.3, “control,” including the terms
“controlling,” “controlled by” and “under common control with,” means 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 stock, by contract, or otherwise. A Person who is the owner of 20% or more of the outstanding voting stock of any corporation, partnership, unincorporated association or other entity
shall be presumed to have control of such entity, in the absence of proof by a preponderance of the evidence to the contrary. Notwithstanding the foregoing, a presumption of control shall not apply where such Person holds voting stock, in good faith
and not for the purpose of circumventing this Section, as an agent, bank, broker, nominee, custodian or trustee for one or more owners who do not individually or as a group have control of such entity. 

ARTICLE IV 
 ADDITIONAL
COVENANTS 
 4.1.    Pledges. Upon the request of any 313 Acquisition Entity, Fortress Holder,
Solamere Holder or Rivendell Holder that wishes to (x) pledge, hypothecate or grant security interests in any or all of the shares held by it (in each case, subject to Section 4.3 below), including to banks or financial institutions as
collateral or security for loans, advances or extensions of credit or (y) transfer any or all of the shares held by it, including to a third party investor, the Company agrees to cooperate with each such 313 Acquisition Entity, Fortress Holder,
Solamere Holder or Rivendell Holder in taking any action reasonably necessary to consummate any such pledge, hypothecation, grant or transfer, including without limitation delivery of letter agreements to lenders in form and substance reasonably
satisfactory to such lenders (which may include agreements by the Company in respect of the exercise of remedies by such lenders) and instructing the transfer agent to transfer any such shares subject to the pledge, hypothecation or grant into the
facilities of The Depository Trust Company without restricted legends and cooperating in diligence or other matters as may reasonably requested by such 313 Acquisition Entity, Fortress Holder, Solamere Holder or Rivendell Holder in connection with a
proposed transfer. 
 4.2.    Spin-Offs or Split-Offs. In the event that the Company effects the
separation of any portion of its business or assets into one or more entities (each, a “NewCo”), whether existing or newly formed, including without limitation by way of spin-off, split-off, carve-out, demerger, recapitalization, reorganization or similar transaction, and any Stockholder Party will receive equity interests in any such NewCo as part of
such separation, the Company shall cause any such NewCo to enter into a stockholders agreement with the Stockholder Parties that provides the Stockholder Parties with rights vis-à -vis such NewCo that are substantially identical to those set forth in this Agreement, and each of the Stockholder Parties shall enter into such agreement. 

  
 13 

 4.3.    Certain Transfers. The 313 Acquisition Entities
shall not transfer any shares (other than to Permitted Transferees who are Affiliates of 313 Acquisition) without offering piggyback rights, including pursuant to the Registration Rights Agreement, or similar pro rata sale rights (including through
313 Acquisition with respect to the Black Horse Holders and the Summit Holders) to each of the Black Horse Holders, Summit Holders, Solamere Holders, Rivendell Holders and Fortress Holders during the period that such Stockholder Party is subject to
restrictions on transfer of such shares pursuant to its confidentiality and lock-up agreement entered into with the Company on the date hereof (or a joinder thereto). 

4.4.    Shelf Registration Statement. Within a year of the Closing Date, the Company shall use commercially
reasonable efforts to facilitate a shelf registration of the shares held by the Stockholder Parties in the manner described by the Registration Rights Agreement. 

ARTICLE V 
 GENERAL
PROVISIONS 
 5.1.    Termination. Subject to Section 5.15 or the early termination of any
provision as a result of an amendment to this Agreement agreed to by the Board and the Stockholder Parties, as provided under Section 5.3, this Agreement (other than Article V hereof), shall terminate with respect to each Stockholder Party and
its Permitted Transferees at such time as such Stockholder Party and its Permitted Transferees collectively Beneficially Own less than 5% of the outstanding shares; provided that this Agreement shall not terminate (a) with respect to any
Stockholder Party or Permitted Transferee thereof subject to the restrictions in Section 4.3, until such time as such Stockholder Party or Permitted Transferee is no longer subject to the restrictions contained in Section 4.3, (b) with
respect to the Fortress Holders, so long as the Fortress Holders Beneficially Own at least 50% of the shares the Fortress Holders Beneficially Own immediately following the consummation of the Merger or (c) with respect to the Summit Holders,
so long as the Summit Holders Beneficially Own at least 50% of the shares the Summit Holders Beneficially Own immediately following the consummation of the Merger. 

5.2.    Notices. Any notice, designation, request, request for consent or consent provided for in this
Agreement shall be in writing and shall be either personally delivered, or mailed first class mail (postage prepaid) or sent by reputable overnight courier service (charges prepaid) to the Company at the address set forth below and to any other
recipient at the address indicated on the Company’s records, or at such address or to the attention of such other Person as the recipient party has specified by prior written notice to the sending party. Notices will be deemed to have been
given hereunder when sent by facsimile (receipt confirmed) or delivered personally, five (5) days after deposit in the U.S. mail and one (1) day after deposit with a reputable overnight courier service. 

The Company’s address is: 

Vivint Smart Home, Inc. 
 4931
North 300 West 
 Provo, Utah 84604 

Attention: Chief Legal Officer 

  
 14 

 with a copy (not constituting notice) to: 

Simpson Thacher & Bartlett LLP 

425 Lexington Avenue 
 New York,
NY 10017 
 Attention: Igor Fert, Esq. 

Fax: (212) 455-2502 

The 313 Acquisition Entities’ address is: 

313 Acquisition LLC 
 c/o The
Blackstone Group Inc. 
 345 Park Avenue 

New York, New York 10154 

Attention:     Bruce McEvoy 

    Peter Wallace 

with a copy (not constituting notice) to: 

Simpson Thacher & Bartlett LLP 

425 Lexington Avenue 
 New York,
NY 10017 
 Attention: Igor Fert, Esq. 

Fax: (212) 455-2502 

or such other address as the 313 Acquisition Entities shall furnish to the Company and the other Stockholder Parties in writing; 

If to any other Stockholder Party, to such address as such Stockholder Party shall furnish to the Company and the other Stockholder Parties in writing. 

5.3.    Amendment; Waiver. (a) The terms and provisions of this Agreement may be modified or amended
only with the written approval of the Company and Stockholder Parties holding a majority of the shares then held by the Stockholder Parties in the aggregate as to which this Agreement has not been terminated pursuant to Section 5.1;
provided, however, that any modification or amendment (i) (A) to Section 2.1 or this Section 5.3 shall also require the approval of the 313 Acquisition Entities, (B) to Article II (solely with respect to amendments
affecting the Fortress Holders, the Fortress Designee or the Fortress Observer and other than Sections 2.1(a)(i), 2.1(a)(iii) or 2.1(e)), Section 3.3 (solely with respect to amendments affecting the Fortress Holders, the Fortress Designee or
the Fortress Observer), Section 5.1 (solely with respect to amendments affecting the Fortress Holders), Section 5.3(a)(i)(B) or Section 5.3(a)(ii)(B) shall also require the approval of the Fortress Holders for so long as the Fortress
Holders Beneficially Own at least 50% of the shares the Fortress Holders Beneficially Own immediately following the consummation of the Merger and (C) to Article II (solely with respect to amendments affecting the Summit Holders or the Summit
Designee and other than Sections 2.1(a)(i), 2.1(a)(ii) or 2.1(e)), Section 3.3 (solely with respect to amendments affecting the Summit Holders or the Summit Designee), Section 5.1 (solely with respect to amendments affecting the Summit
Holders), Section 5.3(a)(i)(C) or Section 5.3(a)(ii)(C) shall also require the 

  
 15 

 
approval of the Summit Holders for so long as the Summit Holders Beneficially Own at least 50% of the shares the Summit Holders Beneficially Own immediately following the consummation of the
Merger, (ii) that would adversely affect the rights of (A) any 313 Acquisition Entity in a manner different from any other Stockholder Party, shall also require the approval of such 313 Acquisition Entity, (B) a Fortress Holder in a
manner different from any other Stockholder Party, shall also require the approval of the Fortress Holders for so long as the Fortress Holders Beneficially Own at least 50% of the shares the Fortress Holders Beneficially Own immediately following
the consummation of the Merger and (C) a Summit Holder in a manner different from any other Stockholder Party, shall also require the approval of the Summit Holders for so long as the Summit Holders Beneficially Own at least 50% of the shares
the Summit Holders Beneficially Own immediately following the consummation of the Merger and (iii) that may adversely affect in any material respect any right, preference, privilege or voting rights of the shares held by the Solamere Holders or
Rivendell Holders or any right, preference, privilege or voting right of the Solamere Holders or Rivendell Holders without the prior written approval of the holders of a majority of the then outstanding shares held by the Solamere Holders or
Rivendell Holders, as applicable. 
 (b)    Except as expressly set forth in this Agreement, neither the failure nor
delay on the part of any party hereto to exercise any right, remedy, power or privilege under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any right, remedy power or privilege preclude any other or
further exercise of the same or of any other right, remedy, power or privilege, nor shall any waiver of any right, remedy, power or privilege with respect to any occurrence be construed as a waiver of such right, remedy, power or privilege with
respect to any other occurrence. 
 (c)    No party shall be deemed to have waived any claim arising out of this
Agreement, or any right, remedy, power or privilege under this Agreement, unless the waiver of such claim, right, remedy, power or privilege is expressly set forth in a written instrument duly executed and delivered on behalf of such party; and any
such waiver shall not be applicable or have any effect except in the specific instance in which it is given. 

(d)    Each Stockholder Party, in such Stockholder Party’s sole discretion, may withdraw from this Agreement at any
time by written notice to the Company; provided that, so long as such Stockholder Party is subject to restrictions contained in Section 4.3, such Stockholder Party shall concurrently execute a separate agreement with the Company
providing it will be bound by the restrictions set forth in Section 4.3. Thereafter, such Stockholder Party shall cease to be a party to this Agreement, shall have no further rights or obligations hereunder and none of the terms or provisions
hereof shall have any continuing force and effect with respect to such Stockholder Party. 
 (e)    Any party hereto may
unilaterally waive any of its rights hereunder in a signed writing delivered to the Company. 
 5.4.    Further
Assurances. The parties hereto will sign such further documents, cause such meetings to be held, resolutions passed, exercise their votes and do and perform and cause to be done such further acts and things necessary, proper or advisable in
order to give full effect to this Agreement and every provision hereof. To the fullest extent permitted by Law, the 

  
 16 

 
Company shall not directly or indirectly take any action that is intended to, or would reasonably be expected to result in, the 313 Acquisition Entities, the Fortress Holders or the Summit
Holders being deprived of the rights contemplated by this Agreement. 
 5.5.    Assignment. This Agreement
may not be assigned without the express prior written consent of the other parties hereto, and any attempted assignment, without such consents, will be null and void; provided, however, that, without the prior written consent of any
other party hereto, (a) any 313 Acquisition Entity may assign its rights and obligations under this Agreement, in whole or in part, to any Transferee of shares, (b) following the date that is one (1) year after the Closing Date, any
Fortress Holder may assign its rights and obligations under this Agreement, in whole or in part, to any Transferee of shares that is an Affiliate of Fortress and (c) any Solamere Holder or Rivendell Holder may assign its rights and obligations
under this Agreement, in whole or in part, to any Transferee of shares that is an Affiliate of Solamere or Rivendell, in each case, so long as such Transferee, if not already a party to this Agreement, executes and delivers to the Company a joinder
to this Agreement evidencing its agreement to become a party to and to be bound by certain or all, as applicable, of the provisions of this Agreement as a Stockholder Party hereunder, whereupon such Transferee shall be deemed a “Stockholder
Party” and, at the option of the transferring 313 Acquisition Entity, a “313 Acquisition Entity”, whereupon such Transferee shall also be deemed a “313 Acquisition Entity”. This Agreement will inure to the benefit of and be
binding on the parties hereto and their respective successors and permitted assigns. 
 5.6.    Third
Parties. Except as provided for in Article II, Article III, Article IV and Article V with respect to any 313 Acquisition Entity, Identified Person or Non-Recourse Party, this Agreement does not create
any rights, claims or benefits inuring to any person that is not a party hereto nor create or establish any third party beneficiary hereto. 

5.7.    Governing Law. THIS AGREEMENT AND ITS ENFORCEMENT AND ANY CONTROVERSY ARISING OUT OF OR RELATING TO
THE MAKING OR PERFORMANCE OF THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 

5.8.    Jurisdiction; Waiver of Jury Trial. Each party hereto hereby (i) agrees that any action,
directly or indirectly, arising out of, under or relating to this Agreement shall exclusively be brought in and shall exclusively be heard and determined by either the Supreme Court of the State of New York sitting in Manhattan or the United States
District Court for the Southern District of New York, and (ii) solely in connection with the action(s) contemplated by subsection (i) hereof, (A) irrevocably and unconditionally consents and submits to the exclusive jurisdiction of the
courts identified in subsection (i) hereof, (B) irrevocably and unconditionally waives any objection to the laying of venue in any of the courts identified in clause (i) of this Section 5.8, (C) irrevocably and unconditionally waives
and agrees not to plead or claim that any of the courts identified in such clause (i) is an inconvenient forum or does not have personal jurisdiction over any party hereto, and (D) agrees that mailing of process or other papers in
connection with any such action in the manner provided herein or in such other manner as may be permitted by applicable law shall be valid and sufficient service thereof. EACH PARTY HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED
BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY CLAIM OR ACTION DIRECTLY OR INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS AGREEMENT. 

  
 17 

 5.9.    Specific Performance. Each party hereto
acknowledges and agrees that in the event of any breach of this Agreement by any of them, the other parties hereto would be irreparably harmed and could not be made whole by monetary damages. Each party accordingly agrees to waive the defense in any
action for specific performance that a remedy at law would be adequate and that the parties, in addition to any other remedy to which they may be entitled at law or in equity, shall be entitled to specific performance of this Agreement without the
posting of a bond. 
 5.10.    Entire Agreement. This Agreement sets forth the entire understanding of the
parties hereto with respect to the subject matter hereof. There are no agreements, representations, warranties, covenants or understandings with respect to the subject matter hereof other than those expressly set forth herein. This Agreement
supersedes all other prior agreements and understandings between the parties with respect to such subject matter. 

5.11.    Severability. If any provision of this Agreement, or the application of such provision to any
Person or circumstance or in any jurisdiction, shall be held to be invalid or unenforceable to any extent, (i) the remainder of this Agreement shall not be affected thereby, and each other provision hereof shall be valid and enforceable to the
fullest extent permitted by Law, (ii) as to such Person or circumstance or in such jurisdiction such provision shall be reformed to be valid and enforceable to the fullest extent permitted by Law and (iii) the application of such provision
to other Persons or circumstances or in other jurisdictions shall not be affected thereby. 
 5.12.    Table of
Contents, Headings and Captions. The table of contents, headings, subheadings and captions contained in this Agreement are included for convenience of reference only, and in no way define, limit or describe the scope of this Agreement or the
intent of any provision hereof. 
 5.13.    Grant of Consent. Any vote, consent or approval of, or
designation by, or other action of, the Blackstone Designator hereunder shall be effective if notice of such vote, consent, approval, designation or action is provided in accordance with Section 5.2 hereof. By the execution of this Agreement,
each Stockholder Party hereby consents to the transactions contemplated by the Merger Agreement, including the Merger, and consents to the terms and conditions of each of this Agreement, the Registration Rights Agreement, and the other agreements
and documents that are contemplated by the Merger Agreement as being entered into concurrently with the execution of the Merger Agreement or in connection with the transactions contemplated by the Merger Agreement. 

5.14.    Counterparts. This Agreement and any amendment hereto may be signed in any number of separate
counterparts, each of which shall be deemed an original, but all of which taken together shall constitute one agreement (or amendment, as applicable). 

5.15.    Effectiveness; Termination of Existing Stockholders and Securityholders Agreements. This Agreement
shall be valid and enforceable as of the date of this Agreement and 

  
 18 

 
may not be revoked by any party hereto; provided that the provisions herein (other than this Article V) shall not be effective until the consummation of the Merger. 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. Upon the consummation of the Merger, the rights and obligations of any Stockholder Party under any
stockholders agreement, securityholders agreement or similar agreement with Mosaic or Legacy Vivint or any of its parents or Subsidiaries shall be terminated and of no further force and effect; provided, (a) the Preferred Stockholders
Agreement shall be deemed to have been amended by this Agreement such that each of the stockholders of Legacy Vivint party to the Preferred Stockholders Agreement shall continue as a Stockholder Party of this Agreement and the Preferred Stockholders
Agreement shall have no further force and effect, (b) the SM Stockholders Agreement shall be deemed to have been amended by this Agreement such that the Merger shall constitute a “Public Offering” with respect to Legacy Vivint under
the SM Stockholders Agreement and the SM Stockholders Agreement, so amended, shall otherwise continue in full force and effect, (c) each Employee Preferred Subscription Agreement shall be deemed to have been amended by this Agreement such that
the Merger shall constitute a “Public Offering” with respect to Legacy Vivint under Section 10 of such Employee Preferred Subscription Agreement and such Employee Preferred Subscription Agreement, so amended, shall otherwise continue
in full force and effect, (d) holders of equity interests of 313 Acquisition LLC who receive shares of capital stock of Legacy Vivint in connection with the Merger and the other transactions contemplated by the Merger Agreement shall
automatically become party to this Agreement as a Stockholder Party by virtue of the operation of the 313 Agreements and (e) the 313 Agreements shall not be amended, terminated or otherwise affected by this Section 5.15. 

5.16.     No Recourse. This Agreement may only be enforced against, and any claim or cause of action that
may be based upon, arise out of or relate to this Agreement, or the negotiation, execution or performance of this Agreement, the transactions contemplated hereby or the subject matter hereof may only be made against the parties hereto and no past,
present or future Affiliate, director, officer, employee, incorporator, member, manager, partner, shareholder, agent, attorney or representative of any party hereto or any past, present or future Affiliate, director, officer, employee, incorporator,
member, manager, partner, stockholder, agent, attorney or representative of any of the foregoing (each, a “Non-Recourse Party”) shall have any liability for any obligations or
liabilities of the parties to this Agreement or for any claim based on, in respect of, or by reason of, the transactions contemplated hereby. Without limiting the rights of any party against the other parties hereto, in no event shall any party or
any of its Affiliates seek to enforce this Agreement against, make any claims for breach of this Agreement against, or seek to recover monetary damages from, any Non-Recourse Party. 

[Remainder of Page Intentionally Left Blank] 

  
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 IN WITNESS WHEREOF, the parties hereto have executed this Stockholders Agreement on the day
and year first above written. 
  

			
	VIVINT SMART HOME, INC.
		
	By:	 	 /s/ Alex J. Dunn

	Name: Alex J. Dunn
	Title: President

  
 [Signature Page to
Stockholders Agreement] 

 
			
	MOSAIC ACQUISITION CORP.
		
	By:	 	 /s/ David M. Maura

	Name: David M. Maura
	Title:	 	Chairman, President and Chief Executive Officer

  
 [Signature Page to
Stockholders Agreement] 

 
			
	313 ACQUISITION LLC
		
	By:	 	 /s/ Alex J. Dunn

	Name: Alex J. Dunn
	Title: President

  
 [Signature Page to
Stockholders Agreement] 

 
			
	DRAWBRIDGE SPECIAL OPPORTUNITIES FUND LP
		
		 	By: Drawbridge Special Opportunities GP, LLC its General Partner
		
	By:	 	/s/ Marc Furstein
		 	Name: Marc Furstein
		 	Title: Chief Operating Officer

  
 [Signature Page to
Stockholders Agreement] 

 
			
	FORTRESS MOSAIC ANCHOR LLC
		
	By:	 	/s/ Constantine M. Dakolias
		 	Name: Constantine M. Dakolias
		 	Title: President

  
 [Signature Page to
Stockholders Agreement] 

 
			
	FORTRESS MOSAIC INVESTOR LLC
		
	By:	 	/s/ Constantine M. Dakolias
		 	Name: Constantine M. Dakolias
		 	Title: President

  
 [Signature Page to
Stockholders Agreement] 

 
			
	FORTRESS MOSAIC SPONSOR LLC
		
	By:	 	/s/ Constantine M. Dakolias
		 	Name: Constantine M. Dakolias
		 	Title: President

  
 [Signature Page to
Stockholders Agreement] 

 
			
	BLACKSTONE CAPITAL PARTNERS VI L.P.
		
		 	By: BLACKSTONE MANAGEMENT ASSOCIATES VI L.L.C., its general partner
		
		 	By: BMA VI L.L.C., its sole member
		
	By:	 	/s/ Peter Wallace
		 	Name: Peter Wallace
		 	Title: Senior Managing Director

  
 [Signature Page to
Stockholders Agreement] 

 
			
	BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI – ESC L.P.
		
		 	By: BCP VI SIDE-BY SIDE GP L.L.C. its general partner
		
	By:	 	/s/ Peter Wallace
		 	Name: Peter Wallace
		 	Title: Senior Managing Director

  
 [Signature Page to
Stockholders Agreement] 

 
			
	BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI L.P.
		
		 	By: BCP VI SIDE-BY SIDE GP L.L.C. its general partner
		
	By:	 	/s/ Peter Wallace
		 	Name: Peter Wallace
		 	Title: Senior Managing Director

  
 [Signature Page to
Stockholders Agreement] 

 
			
	BLACKSTONE VNT CO-INVEST L.P.
		
		 	By: BLACKSTONE MANAGEMENT ASSOCIATES VI L.L.C., its general partner
		
		 	By: BMA VI L.L.C., its sole member
		
	By:	 	/s/ Peter Wallace
		 	Name: Peter Wallace
		 	Title: Senior Managing Director

  
 [Signature Page to
Stockholders Agreement] 

 
			
	BCP VOYAGER HOLDINGS LP
		
		 	By: BLACKSTONE MANAGEMENT ASSOCIATES VI L.L.C., its general partner
		
		 	By: BMA VI L.L.C., its sole member
		
	By:	 	/s/ Peter Wallace
		 	Name: Peter Wallace
		 	Title: Senior Managing Director

  
 [Signature Page to
Stockholders Agreement] 

 
			
	MOSAIC SPONSOR, LLC
		
	By:	 	/s/ David M. Maura
		 	Name: David M. Maura
		 	Title: Chief Executive Officer

  
 [Signature Page to
Stockholders Agreement] 

 
			
	SOLAMERE V INVESTMENTS, LLC
		
		 	By: Solamere Capital Fund II, LP
		 	        Its: Managing Member
		
		 	By: Solamere Capital Fund II GP, LP
		 	        Its: General Partner
		
		 	By: Solamere Group, LLC
		 	        Its: General Partner
		
	By:	 	/s/ Eric F. Scheuermann
		 	Name: Eric F. Scheuermann
		 	Title: Managing Member

  
 [Signature Page to
Stockholders Agreement] 

 
			
	RIVENDELL INVESTMENTS 2016-5 LLC
		
	By:	 	/s/ Joel Cazares
		 	Name: Joel Cazares
		 	Title: Authorized Signatory

  
 [Signature Page to
Stockholders Agreement] 

 
			
	SUMMIT PARTNERS GROWTH EQUITY FUND VIII-A, L.P.
		
		 	By: Summit Partners GE VIII, L.P., its General Partner
		
		 	 By: Summit Partners GE VIII, LLC, its

		 	 Managing Member

		
	By:	 	/s/ Peter Y. Chung
		 	Name: Peter Y. Chung
		 	Title: Authorized Signatory

  
 [Signature Page to
Stockholders Agreement] 

 
			
	SUMMIT PARTNERS GROWTH EQUITY FUND VIII-B, L.P.
		
		 	By: Summit Partners GE VIII, L.P., its General Partner
		
		 	By: Summit Partners GE VIII, LLC, its Managing Member
		
	By:	 	/s/ Peter Y. Chung
		 	Name: Peter Y. Chung
		 	Title: Authorized Signatory

  
 [Signature Page to
Stockholders Agreement] 

 
			
	SUMMIT INVESTORS I, LLC
		
	 By:
	 	Summit Investors Management, LLC, its Manager
		
		 	By: Summit Partners, L.P., its Manager
		
		 	By: Summit Master Company, LLC its General Partner
		
	By:	 	/s/ Peter Y. Chung
		 	Name: Peter Y. Chung
		 	Title: Authorized Signatory

  
 [Signature Page to
Stockholders Agreement] 

 
			
	SUMMIT INVESTORS I (UK), L.P.
		
	By:	 	Summit Investors Management, LLC, its General Partner
		
		 	By: Summit Partners, L.P., its Manager
		
		 	By: Summit Master Company, LLC its General Partner
		
	By:	 	/s/ Peter Y. Chung
		 	Name: Peter Y. Chung
		 	Title: Authorized Signatory

  
 [Signature Page to
Stockholders Agreement] 

 
			
	BLACK HORSE HOLDINGS, LLC
		
	By:	 	/s/ Eric F. Scheuermann
		 	Name: Eric. F. Scheuermann
		 	Title: Managing Member

  
 [Signature Page to
Stockholders Agreement] 

 
			
	TODD PEDERSEN
		
	By:	 	/s/ Todd Pedersen

  
 [Signature Page to
Stockholders Agreement] 

 
			
	THE PEDERSEN FAMILY TRUST
		
	By:	 	/s/ Michael Cahill
		 	Name: Michael Cahill
		 	Title: Trustee

  
 [Signature Page to
Stockholders Agreement] 

 
			
	ALEX DUNN
		
	By:	 	/s/ Alex J. Dunn

  
 [Signature Page to
Stockholders Agreement] 

 Exhibit A 

Drawbridge Special Opportunities Fund LP 
 Fortress Mosaic Anchor
LLC 
 Fortress Mosaic Investor LLC 
 Fortress Mosaic Sponsor
LLC 
 Blackstone Capital Partners VI L.P. 
 Blackstone Family
Investment Partnership VI – ESC L.P. 
 Blackstone Family Investment Partnership VI L.P. 

Blackstone VNT Co-Invest L.P. 

BCP Voyager Holdings LP 
 Mosaic Sponsor, LLC 

Solamere V Investment, LLC 
 Rivendell Investments 2016-5 LLC 
 Summit Partners Growth Equity Fund VIII-A, L.P. 

Summit Partners Growth Equity Fund VIII-B, L.P. 

Summit Investors I, LLC 
 Summit Investors I (UK), L.P. 

Black Horse Holdings, LLC 
 Todd Pedersen 

The Pedersen Family Trust 
 Alex Dunn 

 Exhibit B 

FORM OF JOINDER TO STOCKHOLDERS AGREEMENT 

[                    ],
20     
 Reference is made to the Stockholders Agreement, dated as of September 15, 2019, by and among Vivint Smart
Home, Inc., Mosaic Acquisition Corp. and the Stockholder Parties (as defined therein) from time to time party thereto (as amended from time to time, the “Stockholders Agreement”). Capitalized terms used but not otherwise defined
herein shall have the meanings ascribed to such terms in the Stockholders Agreement. 
 Each of the Company and each undersigned holder of shares of the
Company (each, a “New Stockholder Party”) agrees that this Joinder to the Stockholders Agreement (this “Joinder”) is being executed and delivered for good and valuable consideration. 

Each undersigned New Stockholder Party hereby agrees to and does become party to the Stockholders Agreement as a Stockholder Party [and a 313 Acquisition
Entity]. This Joinder shall serve as a counterpart signature page to the Stockholders Agreement and by executing below each undersigned New Stockholder Party is deemed to have executed the Stockholders Agreement with the same force and effect as if
originally named a party thereto. 
 This Joinder may be executed in multiple counterparts, including by means of facsimile or electronic signature, each of
which shall be deemed an original, but all of which together shall constitute the same instrument. 
 [Remainder of Page Intentionally
Left Blank.] 

 IN WITNESS WHEREOF, the undersigned have duly executed this joinder as of the date first set forth above.

  

			
	[NEW STOCKHOLDER PARTY]
		
	By:	 	  

		 	Name:
		 	Title
	
	[COMPANY]
		
	By:	 	  

		 	Name:
		 	Title:EX-10.21

 Exhibit 10.21 

AMENDED AND RESTATED SUPPORT AND SERVICES AGREEMENT 

This AMENDED AND RESTATED SUPPORT AND SERVICES AGREEMENT (this “Agreement”) is dated as of September 15,
2019 and is by and among Mosaic Acquisition Corp., a Delaware corporation (together with its successors, “Vivint”), APX Group, Inc., a Delaware corporation (together with its successors, the “Company”
and together with Vivint, the “Company Parties”) that will become an indirect subsidiary of Vivint upon the consummation of the Merger (as defined below), Blackstone Capital Partners VI L.P., a Delaware limited partnership
(together with its affiliated co-investing funds, “BCP”), Blackstone Management Partners L.L.C., a Delaware limited liability company (“BMP”) affiliated with The
Blackstone Group Inc. (“Blackstone”) and, for the limited purposes stated in Section 9(c), 313 Acquisition LLC, a Delaware limited liability company (“313 Acquisition”). This Agreement amends and
restates the Support and Services Agreement, dated as of November 16, 2012, among 313 Acquisition, the Company (f/k/a 313 Group Inc.), BCP and BMP (the “Existing Agreement”). 

BACKGROUND 

1.    BMP has expertise in monitoring and providing advice with respect to the business of companies such as the Company
Parties and their respective subsidiaries and the industry in which they operate, so as to help maximize their value. In accordance with the Existing Agreement, BMP has provided the Company and its subsidiaries with monitoring services, portfolio
company operations support, and other services since 2012. 
 2.    Vivint and affiliates of the Company are executing
that certain Agreement and Plan of Merger, dated as of September 15, 2019 (as it may be amended, supplemented, restated or otherwise modified from time to time, the “Merger Agreement”), by and among Vivint, Maiden Merger
Sub, Inc., a Delaware corporation and subsidiary of Vivint (“Merger Sub”), and Vivint Smart Home, Inc., a Delaware corporation (“Legacy Vivint”), pursuant to which Merger Sub will merge (the
“Merger”) with and into Legacy Vivint and Legacy Vivint will survive and be renamed, and Vivint will be renamed Vivint Smart Home, Inc. 

3.    Under the terms of the Existing Agreement, upon the consummation of an IPO (as defined therein), BMP’s
obligation to provide monitoring services and other services would terminate, and in connection therewith BMP would be entitled to receive a termination payment equal to the present value of the estimated monitoring fees that would have otherwise
accrued through the tenth anniversary of the Existing Agreement, namely, through November 16, 2022. 

4.    Vivint, the Company and their respective subsidiaries seek to continue to receive such monitoring services,
portfolio company operations support, and other services following the Merger, and BMP is willing to continue providing such services and forego receiving such termination payment. 

5.    This Agreement is being executed and delivered in connection with the execution and delivery of the Merger
Agreement, but the effectiveness of this Agreement will occur only upon, and is conditioned upon, the consummation of the Merger. If the Merger 

 Agreement is terminated without the consummation of the Merger, this Agreement will automatically terminate
and be of no further effect, and the Existing Agreement will remain in effect. 
 In consideration of the premises and agreements contained
herein and of other good and valuable consideration, the sufficiency of which are hereby acknowledged, the parties agree as follows: 

AGREEMENT 
 SECTION 1.
Monitoring Services.  
 (a)    Benefits from Ongoing Services. The Company Parties seek
to continue to avail themselves of BMP’s expertise in providing the monitoring and other services referenced below. The Company Parties believe that this will be beneficial to them, their respective subsidiaries and equityholders, and BMP is
willing to provide such ongoing services in consideration of the payment of the monitoring fees described below and the other rights provided to it under this Agreement. Accordingly, the Company Parties hereby engage BMP to continue to render to
them and their respective subsidiaries the Monitoring Services (as described below) on the terms and subject to the conditions described in this Agreement. 

(b)    Services to be Provided. Until the Exit Date (as defined below), utilizing such of its officers,
employees, representatives, and agents, and indirectly through other persons and entities, in each case as BMP in its sole discretion may designate from time to time (collectively “Representatives”), but subject to
Section 5(d), BMP will render to the Company Parties and their respective subsidiaries such monitoring, advisory and consulting services as the Company Parties may from time to time request in the following areas in relation to the affairs of
the Company Parties and their respective subsidiaries: 
  

	 	•	 	 advice regarding the structure, distribution and timing of private or public debt or equity offerings and advice
regarding relationships with the Company Parties’ and their respective subsidiaries’ lenders and bankers, including in relation to the selection, retention and supervision of independent auditors, outside legal counsel, investment bankers
or other financial advisors or consultants, 

  

	 	•	 	 advice regarding the structuring and implementation of equity participation plans, employee benefit plans and
other incentive arrangements for certain key executives of the Company Parties, and general advice regarding dispositions and/or acquisitions, 

  

	 	•	 	 advice regarding the strategic direction of the business of the Company Parties and their respective
subsidiaries, and 

  

	 	•	 	 such other advice directly related to or ancillary to the above advisory services as may be reasonably requested
by the Company Parties 

 (collectively, the “Monitoring Services”). 

(c)    Implementation of Monitoring Services. The Company Parties shall at all times retain final decision-making
authority with respect to advice received through the 

  
 2 

 
Monitoring Services. The officers and directors of the Company Parties shall control and direct the implementation, if any, of such advice, subject to the oversight and control of the board of
directors of Vivint or its direct or indirect controlling parent, as applicable. 
 (d)    Definitions.
The “Exit Date” is the first to occur of (1) December 31, 2021 and (2) the date on which BCP has beneficial ownership (as defined in the Securities Exchange Act of 1934, as amended, and the rules and
regulations of the SEC thereunder) of less than 5% of the voting power of all of the shares of capital stock entitled to vote generally in the election of directors of Vivint or its direct or indirect controlling parent, as applicable, and such
stake has a fair market value (as determined by BCP) of less than $25 million. 
 SECTION 2. Fees for Monitoring Services.

 (a)    Monitoring Fee – General. In consideration of the Monitoring Services being rendered by
or at the direction of BMP, the Company Parties will, on a joint and several basis, pay or cause to be paid to BMP in respect of the period during which the Monitoring Services are required to be provided under this Agreement an annual non-refundable and irrevocable fee in the amount determined in accordance with this Section 2 (the “Monitoring Fee”). The Monitoring Fee will be payable annually in
advance and will be subject to adjustment as described below. 
 (b)    Annual Monitoring Fee. Pursuant to
the Existing Agreement, the Company has paid to BMP a monitoring fee in respect of each of the Company’s fiscal years that began prior to the consummation of the Merger (the “Closing Date”), subject to the “true-up” provisions described below covering the entirety of each such fiscal year. On the first business day of each fiscal year of Vivint that begins after the Closing Date, and as the Monitoring Fee in
respect of that fiscal year, the Company Parties will, jointly and severally, pay to BMP an amount (subject to subsequent adjustment as described below) equal to the amount of the Monitoring Fee paid in respect of the immediately preceding fiscal
year (without regard to the application of the final “true-up” described in paragraph (d) below, which true-up will not yet have happened by the time of
such payment). No Monitoring Fees will be payable in respect of fiscal years of Vivint beginning after the fiscal year of Vivint in which the Exit Date occurs. The Monitoring Fee will accrue and be payable, as most recently calculated, with respect
to the entire fiscal year of Vivint in which the Exit Date occurs. 
 (c)    Preliminary Upward Adjustment
based on Projected EBITDA. The credit agreement for the Company’s primary senior secured credit facility (the “Credit Agreement”) has a definition of “Consolidated EBITDA” of the Company or, if applicable,
the top level parent of the Company that is a guarantor of the Company’s indebtedness under the Credit Agreement (either the Company or, if applicable, such parent entity, which may or may not be Vivint, the “Top Level Credit
Party”); provided that such Consolidated EBITDA definition will deemed not to have an add back for creation costs (defined as costs relating to selling, equipping and installing new alarm systems, net of any revenue associated
with such new alarm systems). As part of a customary report to the board of directors of Vivint regarding its financial situation, Vivint’s senior management, will present to such board Vivint management’s projection/estimate (with respect
to Vivint and a particular fiscal year of Vivint, such projection, as first presented to the board during the last third of a fiscal year, “Projected EBITDA”) of the 

  
 3 

 
Consolidated EBITDA for Vivint for that fiscal year (with respect to Vivint and a particular fiscal year of Vivint, “Consolidated EBITDA”), calculated on the basis of the
Credit Agreement’s definition thereof as though Vivint were the Top Level Credit Party under the Credit Agreement. If 1% of Projected EBITDA (or 1.5% of Projected EBITDA in the case of any fiscal year that began prior to the Closing Date) for a
particular fiscal year is greater than the amount of the Monitoring Fee previously paid to BMP in accordance with Section 2(b) (including the fee paid pursuant to the Existing Agreement in respect of the Company’s fiscal years that began
prior to the Closing Date) in respect of that fiscal year, then, within two 
 business days of such presentation of Projected EBITDA, the Company Parties
will, jointly and severally, pay or cause to be paid to BMP the amount of such excess as an upward adjustment to the Monitoring Fee payable to BMP in respect of the Monitoring Services rendered during such fiscal year. 

(d)    Post-Fiscal Year True-up. After the end of each fiscal year
of Vivint, the chief financial officer of Vivint will, no later than the corresponding deadline prescribed under the Credit Agreement for the Top Level Credit Party, certify to BMP the amount of Vivint’s Consolidated EBITDA for such recently
ended fiscal year. If 1% of such certified Consolidated EBITDA (or 1.5% of such certified Consolidated EBITDA in the case of any fiscal year that began prior to the Closing Date) is greater than the Monitoring Fee previously paid to BMP in
accordance with Sections 2(b) and 2(c) (including the fee paid pursuant to the Existing Agreement in respect of the Company’s fiscal years that began prior to the Closing Date) in respect of Monitoring Services rendered during that fiscal year,
then, within two business days of such certification, the Company Parties will, jointly and severally, pay or cause to be paid to BMP the amount of such excess as an upward adjustment to the Monitoring Fee for such fiscal year. If 1% of such
certified Consolidated EBITDA (or 1.5% of such certified Consolidated EBITDA in the case of any fiscal year that began prior to the Closing Date) is less than the Monitoring Fee previously paid to BMP in accordance with Sections 2(b) and 2(c) in
respect of Monitoring Services rendered during that fiscal year, then, within two business days of such certification, the amount of such shortfall will be applied as a credit against the next payment by the Company Parties of the Monitoring Fee to
BMP, unless the true-up is with respect to the fiscal year in which the Exit Date occurs, in which case BMP will promptly make such rebate payment, if any, to the Company (or, at the direction of the Company,
a subsidiary of the Company). However, BMP will be entitled to retain the Minimum Annual Fee (as defined in the Existing Agreement) as then in effect in respect of any fiscal year that began prior to the Closing Date, and under no circumstances will
it be obligated to rebate to any Company Party or any other payor an amount that would result in BMP having been paid Monitoring Fees for Monitoring Services rendered under this Agreement in an amount less than the Minimum Annual Fee applicable to
the relevant fiscal year that began prior to the Closing Date. 
 (e)    Inability to Pay Fee When Due. To
the extent the Company Parties cannot pay, or cause to be paid, the Monitoring Fee for any reason, including by reason of any prohibition on such payment pursuant to any applicable law or the terms of any debt financing of the Company Parties or any
of their respective subsidiaries, the payment by the Company Parties or any of their respective subsidiaries to BMP of the accrued and payable Monitoring Fee will be deferred and will be payable immediately on the earlier of (i) the first date
on which the payment of such deferred Monitoring Fee is no longer prohibited under any contract applicable to the Company and the Company or its subsidiaries, as applicable, is otherwise able to make such

  
 4 

 
payment, or cause such payment to be made, and (ii) total or partial liquidation, dissolution or winding up of the Company. Notwithstanding anything to the contrary herein, under any
applicable law or under any contract applicable to the Company Parties or any of their respective subsidiaries, any forbearance of collection of the Monitoring Fee by BMP shall not be deemed to be a subordination of such payments to any other
person, entity or creditor of the Company Parties or their respective subsidiaries. Any such forbearance shall be at BMP’s sole option and discretion and shall in no way impair BMP’s right to collect such payments. Any installment of the
Monitoring Fee not paid on the scheduled due date will bear interest, payable in cash on each scheduled due date, at an annual rate of 10%, compounded quarterly, from the date due until paid. 

SECTION 3. Engagement to Provide Portfolio Operations Support. BMP intends to make available to the Company
Parties and their respective subsidiaries the services customarily provided by Blackstone’s Portfolio Operations group to Blackstone’s private equity portfolio companies (the “Ops Support”), and the Company Parties
agree to accept the amount and type of Ops Support as may be determined by the Portfolio Operations group, in its sole discretion, to be warranted and appropriate. BMP may, at any time, choose not to provide any such services. Such services will be
provided without charge, other than for the reimbursement of related Out-of-Pocket Expenses as described below. 

SECTION 4. Reimbursements. In addition to the fees payable pursuant to this Agreement, the Company Parties will
pay, or cause to be paid, directly, or reimburse BMP and its affiliates for, their respective Out-of-Pocket Expenses (as defined below). For the purposes of this
Agreement, the term “Out-of-Pocket Expenses” means the
out-of-pocket costs and expenses incurred by BMP and its affiliates in connection with (i) the Monitoring Services, (ii) the Ops Support, (iii) any other
services provided or arranged by them under this Agreement or any other agreement with the Company Parties (including prior to the Closing Date to the extent reimbursement was not previously made pursuant to the Existing Agreement)), (iv) in order
to make Securities and Exchange Commission and other filings (such as antitrust or other regulatory filings or notices) required to be made by BCP or any of its affiliates in respect of or otherwise relating to the ownership or voting by BCP or any
of its affiliates of equity securities of the Company Parties or any of their respective successors or acquirers (i.e., relating to securities of any such successor or acquirer that may be acquired by BCP or its affiliates), or (v) otherwise
incurred by BMP or its affiliates from time to time in the future in connection with the direct or indirect acquisition, ownership, voting, or subsequent sale or transfer by BCP or its affiliates of capital stock of the Company Parties or any
successor, including in the case of (i) through (v), without limitation, (A) fees and disbursements of any independent professionals and organizations, including independent accountants, outside legal counsel and other consultants or
advisers, retained in connection therewith by BCP, BMP or any of their affiliates, including any such fees and disbursements incurred in connection with claims or proceedings or governmental investigations, (B) costs of any outside services or
independent contractors such as financial printers, couriers, business publications, on-line financial services or similar services, retained or used by BCP, BMP or any of their respective affiliates in
connection therewith, and (C) transportation, per diem costs, word processing expenses or any similar expense incurred in connection therewith not associated with BCP, BMP or their affiliates’ ordinary operations. All payments or
reimbursements for Out-of-Pocket Expenses and such allocated costs will be made within 20 days of the request for payment or reimbursement. This reimbursement obligation
will continue after the end of the period during which Monitoring Services are provided under this Agreement. 

  
 5 

 SECTION 5. Other Services.  

(a)    Equity Healthcare. Blackstone has also established an “Equity
Healthcare” group, which leverages the scale of Blackstone’s combined portfolio companies so as to hold down benefit and claims costs and deliver better quality health care to U.S. employees and their families. If so
requested by the Company, the Company Parties will enter into an agreement with BMP or its affiliated designee pursuant to which the Company Parties and their respective subsidiaries will receive the healthcare-related services customarily provided
by Blackstone’s Equity Healthcare group to Blackstone’s private equity portfolio companies.] In consideration of such services, during the term of such agreement the Company will pay to BMP or its affiliated designee a “Per
Employee Fee”, which shall be paid as follows. No later than the fifth business day of each month after the Company has requested such services, the Company Parties will, jointly and severally, pay to BMP or its affiliated designee, as
the Per Employee Fee in respect of that immediately preceding month, an aggregate amount equal to the Per Employee Fee times the highest number of employees of the Company Parties and their respective subsidiaries that receive medical benefits
arranged by BMP or its affiliated designee during such immediately preceding month. The Per Employee Fee is the current fee generally charged in this regard with respect to Blackstone’s portfolio companies generally. The foregoing arrangement
discussed in this section shall continue as long as Blackstone and the Company Parties shall mutually agree. 

(b)    Group Purchasing. Blackstone facilitates a group purchasing program, which harnesses the purchasing
power of a large number of Blackstone’s private equity portfolio companies. BMP will continue to make available to the Company Parties and their respective subsidiaries the opportunity to participate in Blackstone’s group purchasing
program. Any such participation would be on terms mutually agreed by the relevant Company Parties and BMP from time to time. The Company Parties acknowledge that BMP may receive commissions, payments or fees from vendors or other third parties in
connection with spending through Blackstone’s group purchasing program. The foregoing arrangement discussed in this section shall continue as long as Blackstone and the Company Parties shall mutually agree. 

(c)    Arranging for Individual Support. Blackstone has identified and maintains a roster of “senior
advisors”: individuals who are highly experienced in many of the industries in which BCP’s portfolio companies operate. Blackstone pays such individuals (who are not employees of Blackstone) a retainer so as to remain available to assist
portfolio companies such as the Company Parties. BMP may from time to time arrange for one or more of such individuals to provide services to the Company Parties, either at the director level and/or as an employee or consultant. BMP will negotiate
with such individuals the amount of compensation they are to receive in respect of their services to the Company Parties. BMP will arrange for the payment of such compensation, and the Company Parties will reimburse BMP for such compensation
expenses (as well as the retainer that has been paid to such individual) as Out-of-Pocket Expenses in accordance with Section 4 of this Agreement. To the extent the
Company Parties, for administrative convenience, pay such compensation to such individuals directly, BMP will be deemed to have been reimbursed as contemplated by this paragraph (c). 

  
 6 

 (d)    No Other Services. Except as otherwise expressly
set forth in this Agreement, neither BMP nor any of its affiliates will have any obligation to provide services to the Company Parties absent an agreement between BMP or its relevant affiliate and the relevant Company Parties with respect to the
scope of such services and the payment to be made for providing such services. It is further expressly agreed that the Monitoring Services to be rendered hereunder will not include Ops Support, nor will the Monitoring Services, Ops Support or any
other service provided by BMP hereunder include investment banking or other financial advisory services in connection with any specific acquisition, divestiture, disposition, merger, consolidation, restructuring, refinancing, recapitalization,
issuance of private or public debt or equity securities (including, without limitation, an initial public offering of equity securities), financing or similar transaction by any of the Company Parties or any of their respective affiliates. If it is
subsequently agreed that any such services may be provided, the relevant Blackstone entity may be entitled to receive additional compensation for providing services of the type specified in the preceding sentence by mutual agreement of the relevant
Company Party or such subsidiary, on the one hand, and the relevant Blackstone entity, on the other hand. For the avoidance of doubt, no services under this agreement shall be provided in connection with any public offering of debt or equity
securities or otherwise as a broker. 
 (e)    Opportunity to Provide Future Services. If the Company
Parties or any of their respective subsidiaries determines that it is advisable for a Company Party or such subsidiary to hire a financial advisor, consultant, investment banker or any similar advisor in connection with any acquisition, divestiture,
disposition, merger, consolidation, restructuring, refinancing, recapitalization, issuance of private or public debt or equity securities (including, without limitation, an initial public offering of equity securities), financing or similar
transaction, it will notify BMP of such determination in writing. Promptly thereafter, upon the request of BMP, the parties will negotiate in good faith to agree upon appropriate services, compensation, indemnification and other terms upon which the
Company or such subsidiary would hire the relevant Blackstone entity to provide such services. However, the Company or such subsidiary will not be required to hire Blackstone or any of its affiliates for such services. 

SECTION 6. Tax and Other Information and Reporting Responsibilities.  

(a)    Tax-Related Information – General. Vivint will promptly
make available to Blackstone all books, records and files of Vivint and its subsidiaries (collectively, the “Portfolio Group”) and 313 Acquisition with respect to tax matters as may be reasonably requested by Blackstone and
shall use reasonable efforts to comply with any requests by Blackstone for any tax-related information (including any applicable state withholdings) of the Portfolio Group or 313 Acquisition. 

(b)    Responsibility for Tax Returns. Vivint will be responsible for the preparation and filing of all tax
returns and the maintenance of all books and records of each member of the Portfolio Group. At the request of Blackstone, Vivint will also prepare and file tax returns for 313 Acquisition and any other entity the equity of which is or was
distributed, prior to the consummation of the Merger, to the stockholders of Legacy Vivint. 
 (c)    Certain
Income. Each Company Party will use its best efforts to avoid making, and to prevent any other member of the Portfolio Group from making, any investment, 

  
 7 

 
executing any contract or otherwise undertaking any activities that would generate any of the following items: (i) income that is effectively connected with a United States trade or business
within the meaning of Section 864 of the Code (including by reason of owning a United States real property interest within the meaning of Section 897 of the Code), (ii) unrelated business taxable income within the meaning of Sections 511
through 514 of the Code, and (iii) income associated with a commercial activity within the meaning of Section 892 of the Code. 

(d)    Portfolio Company Information. For so long as BCP directly or indirectly owns equity in any of the Company
Parties and continues to have a reporting obligation with respect thereto, either to investors or to governmental authorities, in order to facilitate (i) Blackstone’s compliance with legal and regulatory requirements applicable to the
beneficial ownership by BCP and its affiliates of equity securities of the Company, and (ii) BMP’s oversight of BCP’s investment in the Company, the Company agrees promptly to provide each of BCP and BMP with such information
concerning the Company, including its finances and operations, as BMP or BCP may from time to time request. In furtherance of the foregoing, the Company agrees to provide each of BCP and BMP, in addition to other information that might be requested
by BCP or BMP from time to time, (i) direct access to the Company’s auditors and officers, (ii) the ability to link Blackstone’s systems into the Company’s general ledger and other systems in order to enable BCP and BMP to
retrieve data on a “real-time” basis, (iii) quarter-end reports, in a format to be prescribed by BMP, to be provided within 30 days after the end of each quarter, (iv) the right to visit
and inspect any of the offices and properties of the Company and its subsidiaries and inspect the books and records of the Company and its subsidiaries, (v) copies of all materials provided to any Company Parties’ board of directors (or
equivalent governing body) at the same time as provided to the directors (or their equivalent) of the Company, (vi) access to appropriate officers and directors of the Company Parties at such times as may be requested by BCP or BMP, as the case
may be, for consultation with each of BCP and BMP with respect to matters relating to the business and affairs of the Company Parties and their respective subsidiaries, (vii) information in advance with respect to any significant corporate
actions, including, without limitation, extraordinary dividends, mergers, acquisitions or dispositions of assets, issuances of significant amounts of debt or equity and material amendments to the certificate of incorporation or by laws of the
Company Parties or any of their respective subsidiaries, and to provide each of BCP and BMP, respectively, with the right to consult with the Company Parties and their respective subsidiaries with respect to such actions; provided that, to
the extent such information constitutes material non-public information, each of BCP, BMP, the Company Parties and their respective subsidiaries will keep such information confidential, and (viii) flash
data, in a format to be prescribed by BMP, to be provided within ten days after the end of each quarter (all such information so furnished, the “Information”). Each of the Company Parties agrees to consider, in good faith,
the recommendations of each of BCP and BMP in connection with the matters on which such Company Party is consulted as described above. Each of the Company Parties recognizes and confirms that BMP (a) will use and rely primarily on the
Information and on information available from generally recognized public sources in performing the Monitoring Services, the Ops Support and any other services contemplated by this Agreement or any other agreement with the Company without having
independently verified the same, (b) does not assume responsibility for the accuracy or completeness of the Information and such other information and (c) is entitled to rely upon the Information without independent verification. 

  
 8 

 (e)    Sharing of Information. Individuals associated with
Blackstone may from time to time serve on the boards of directors of the Company Parties and their respective subsidiaries. Each of the Company Parties, on their own behalf and on behalf of their respective subsidiaries, recognize that such
individuals (i) will from time to time receive non-public information concerning the Company Parties and their respective subsidiaries, and (ii) may share such information with other individuals
associated with Blackstone. Such sharing will be for the dual purpose of facilitating support to such individuals in their capacity as directors and enabling BCP, as an equityholder, to better evaluate the Company’s performance and prospects.
Each of the Company Parties, on behalf of themselves and their respective subsidiaries, hereby irrevocably consents to such sharing. 

SECTION 7. Indemnification. 

(a)    General. The Company Parties shall, on a joint and several basis, indemnify and hold harmless BMP, its
affiliates and their respective partners (both general and limited), members (both managing and otherwise), officers, directors, employees, agents and representatives (each such person being an “Indemnified Party”) from and
against any and all actions, suits, proceedings, investigations, losses, demands, claims, damages, liabilities, costs, charges and expenses (including, without limitation, attorneys’ fees and expenses and any other litigation-related expenses),
including in connection with seeking indemnification, whether joint or several (the “Liabilities”), related to, arising out of or in connection with (i) the acquisition by BCP of the Company through the Transaction
Agreement, dated as of September 16, 2012 (as amended, the “Transaction Agreement”), by and among Legacy Vivint, the Company and the other parties thereto, the ownership of shares of Legacy Vivint, (ii) the
Monitoring Services, the Ops Support or any other services contemplated by this Agreement or any other agreement with any of the Company Parties or any of their respective affiliates or the engagement of BMP pursuant to, and the performance of the
Monitoring Services, the Ops Support or any other services contemplated by, this Agreement or any other agreement with any of the Company Parties or any of their respective affiliates (including any similar services rendered after receipt of the
final monitoring fee payment hereunder) and (iii) the ownership or voting of equity securities of any of the Company Parties or any of their respective affiliates, whether or not pending or threatened, whether or not an Indemnified Party is a
party, whether or not resulting in any liability and whether or not such action, claim, demand, suit, investigation or proceeding is initiated, brought or threatened by any of the Company Parties or any other party, and regardless of whether
initiated, brought or threatened before or after the Exit Date. The Company Parties shall, on a joint and several basis, reimburse any Indemnified Party for all costs and expenses (including attorneys’ fees and expenses and any other
litigation-related expenses) as they are incurred in connection with investigating, preparing, pursuing, defending or assisting in the defense of any such pending or threatened action, claim, demand, suit, investigation or proceeding for which the
Indemnified Party would be entitled to indemnification under the terms of the previous sentence, or any such matter related to or arising therefrom, whether or not such Indemnified Party is a party thereto. Each of the Company Parties agrees that it
shall not, without the prior written consent of the Indemnified Party, directly or indirectly settle, compromise or consent to the entry of any judgment in any pending or threatened action, claim, demand, suit, investigation or proceeding
contemplated by this Section 7 (if any Indemnified Party is a party thereto or has been threatened to be made a party thereto) unless such settlement, compromise or consent includes an unconditional release of the Indemnified Party from all

  
 9 

 
liability, known or unknown, without future obligation or prohibition on the part of the Indemnified Party, related to, arising out of or in connection with such action, claim, suit,
investigation or proceeding, and does not contain an admission of guilt or liability on the part of the Indemnified Party. The Company Parties will not be liable under the foregoing indemnification provision with respect to any particular loss,
claim, demand, damage, liability, cost or expense of an Indemnified Party that is determined by a court, in a final judgment from which no further appeal may be taken, to have resulted solely from the gross negligence or willful misconduct of such
Indemnified Party. The attorneys’ fees and other expenses of an Indemnified Party shall be paid by one of the Company Parties as they are incurred upon receipt, in each case, of an undertaking by or on behalf of the Indemnified Party to repay
such amounts if it is judicially determined by a final, non-appealable judgment of a court of competent jurisdiction that the Liabilities in question resulted solely from the gross negligence or willful
misconduct of such Indemnified Party. 
 (b)    Primary, Non-Exclusive
Rights. The rights of an Indemnified Party to indemnification hereunder will be in addition to any other rights and remedies any such person may have under any other agreement or instrument to which the Indemnified Party is or becomes a party or
is or otherwise becomes a beneficiary or under any law or regulation. In that regard, each of the Company Parties acknowledges and agrees that the Company Parties will, on a joint and several basis, be fully and primarily responsible for the payment
to an Indemnified Party in respect of indemnification or advancement of expenses in connection with any jointly indemnifiable claim (as defined below), pursuant to and in accordance with the terms of this Agreement, irrespective of any right of
recovery the Indemnified Party may have from the Indemnitee-related entities (as defined below). Under no circumstance shall the Company Parties be entitled to any right of subrogation or contribution by the Indemnitee-related entities and no right
of advancement or recovery the Indemnified Party may have from the Indemnitee-related entities shall reduce or otherwise alter the rights of the Indemnified Party or the obligations of the Company Parties hereunder. In the event that any of the
Indemnitee-related entities shall make any payment to the Indemnified Party in respect of indemnification or advancement of expenses with respect to any jointly indemnifiable claim, the Indemnitee-related entity making such payment shall be
subrogated to the extent of such payment to all of the rights of recovery of the Indemnified Party against the Company Parties, and the Indemnified Party shall execute all papers reasonably required and shall do all things that may be reasonably
necessary to secure such rights, including the execution of such documents as may be necessary to enable the Indemnitee-related entities effectively to bring suit to enforce such rights. Each of the Company Parties and each Indemnified Party agree
that each of the Indemnitee-related entities shall be third-party beneficiaries with respect to this Section, entitled to enforce this Section as though each such Indemnitee-related entity were a party to this Agreement. 

(c)    Definitions. For purposes of Section 7(b), the following terms shall have the following
meanings: 
 (i)    The term “jointly indemnifiable claims” shall be broadly
construed and shall include, without limitation, any action, suit or proceeding for which an Indemnified Party shall be entitled to indemnification or advancement of expenses from both the Indemnitee-related entities and the Company Parties pursuant
to the Delaware General Corporation Law, any agreement or the certificate of incorporation, 

  
 10 

 
bylaws, partnership agreement, operating agreement, certificate of formation, certificate of limited partnership or comparable organizational documents of the Company Parties or the
Indemnitee-related entities, as applicable. 
 (ii)    The term “Indemnitee-related
entities” means any corporation, limited liability company, partnership, joint venture, trust, employee benefit plan or other enterprise (other than the Company Parties or any other corporation, limited liability company, partnership,
joint venture, trust, employee benefit plan or other enterprise an Indemnified Party has agreed, on behalf of the Company Parties or at the Company Parties’ request, to serve as a director, officer, employee or agent and which service is
covered by the indemnity described in this Agreement) from whom an Indemnified Party may be entitled to indemnification or advancement of expenses with respect to which, in whole or in part, the Company Parties may also have an indemnification or
advancement obligation (other than as a result of obligations under an insurance policy). 
 SECTION 8. Disclaimer, Opportunities,
Release and Limitation of Liability.  
 (a)    Disclaimer; Standard of Care. BMP makes no
representations or warranties, express or implied, in respect of the Monitoring Services, Ops Support or any other service to be provided hereunder or under any other agreement with any Company Party. In no event will BMP or any Indemnified Party be
liable to the Company Parties or any of their respective affiliates for any act, alleged act, omission or alleged omission that does not constitute gross negligence or willful misconduct of BMP as determined by a final, non-appealable determination of a court of competent jurisdiction. 

(b)    Freedom to Pursue Opportunities. In recognition that Blackstone and its affiliates currently have,
and will in the future have or will consider acquiring, investments in numerous companies with respect to which Blackstone or its affiliates or employees may serve as an advisor, a director or in some other capacity, in recognition that Blackstone
and its affiliates have myriad duties to various investors and partners, in anticipation that the Company Parties, on the one hand, and Blackstone (or one or more affiliates, associated investment funds or portfolio companies), on the other hand,
may engage in the same or similar activities or lines of business and have an interest in the same areas of corporate opportunities, in recognition of the benefits to be derived by the Company Parties hereunder, and in recognition of the
difficulties which may confront any advisor who desires and endeavors fully to satisfy such advisor’s duties in determining the full scope of such duties in any particular situation, the provisions of this Section 8(b) are set forth to
regulate, define and guide the conduct of certain affairs of the Company as they may involve Blackstone, BCP or BMP. Except as Blackstone, BCP or BMP may otherwise agree in writing after the date hereof: 

(i)    Blackstone and its affiliates shall have the right: (A) directly or indirectly to engage in
any business and invest in debt, equity or other securities of, or provide advice to, any company or other entity, including, without limitation, any company, entity, business activities or lines of business that are the same as or similar to those
pursued by, or competitive with, the Company Parties and their subsidiaries; (B) directly or indirectly to do business with any client or customer of the Company Parties 

  
 11 

 
and their subsidiaries; (C) to take any other action that BMP believes in good faith is necessary to or appropriate to fulfill its obligations as described in the first sentence of this
Section 8(b); and (D) not to communicate, offer or present any potential transactions, matters or business opportunities (including any transaction, matter or opportunity that may be an investment, business opportunity or prospective
economic or competitive advantage in which the Company Parties or any of their affiliates could have an interest or expectancy) to to the Company Parties or any of their respective subsidiaries or any of their respective equityholders, directors,
managers or other affiliates, and to pursue, directly or indirectly, any such opportunity for themselves, and to direct any such opportunity to another person. 

(ii)    Blackstone and its affiliates shall have no duty (contractual or otherwise) to communicate or
present any corporate opportunities to the Company or any of its affiliates or to refrain from any actions specified in Section 8(b)(i) hereof, and the each of the Company Parties, on its own behalf and on behalf of its affiliates, hereby
irrevocably waives any right to require BMP or any of its affiliates to act in a manner inconsistent with the provisions of this Section 8(b). 

(iii)    Neither Blackstone nor any of its affiliates shall be liable to the Company Parties or any of
their affiliates for breach of any duty (contractual or otherwise) by reason of any activities or omissions of the types referred to in this Section 8(b) or of any such person’s participation therein. 

(c)    Release. Each of the Company Parties hereby irrevocably and unconditionally releases and forever
discharges Blackstone, BCP, BMP and their respective affiliates and their respective partners (both general and limited), members (both managing and otherwise), officers, directors, employees, agents and representatives from any and all liabilities,
claims, causes of action, demands, actions, suits or proceedings related to, arising out of or in connection with the transactions contemplated by the Transaction Agreement, the Monitoring Services, the Ops Support or any other services contemplated
by this Agreement or any other agreement with any of the Company Parties or the engagement of BMP pursuant to, and the performance of the Monitoring Services, the Ops Support or any other services contemplated by, this Agreement or any other
agreement with such Company Party that the Company Party may have, or may claim to have, on or after the date hereof, except with respect to any act or omission that constitutes gross negligence or willful misconduct as determined by a final, non-appealable determination of a court of competent jurisdiction. 

(d)    Limitation of Liability. In no event will BMP or any Indemnified Party be liable to any of the
Company Parties or any of their affiliates (i) for any indirect, special, incidental or consequential damages, including, without limitation, lost profits or savings, whether or not such damages are foreseeable, or for any third-party claims
(whether based in contract, tort or otherwise), related to, arising out of or in connection with the transactions contemplated by the Transaction Agreement, the Monitoring Services, the Ops Support or any other services contemplated by this
Agreement or any other agreement with the Company or the engagement of BMP pursuant to, and the performance of the Monitoring Services, the Ops Support or any other services contemplated by, this Agreement or any other agreement with any of the
Company Parties that such Company Party may have with any Blackstone entity, or may 

  
 12 

 
claim to have, on or after the date hereof, except with respect to any act or omission that constitutes gross negligence or willful misconduct as determined by a final, non-appealable determination of a court of competent jurisdiction or (ii) for an amount in excess of the fees actually received by BMP or the relevant Blackstone entity hereunder or under any other applicable
agreement. 
 SECTION 9. Miscellaneous. 

(a)    Amendments. No amendment or waiver of any provision of this Agreement, or consent to any departure by
any party hereto from any such provision, will be effective unless it is in writing and signed by each of the parties hereto. Any amendment, waiver or consent will be effective only in the specific instance and for the specific purpose for which
given. The waiver by any party of any breach of this Agreement will not operate as or be construed to be a waiver by such party of any subsequent breach. 

(b)    Notices. Any notices or other communications required or permitted hereunder shall be made in writing
and will be sufficiently given if delivered personally or sent by email with confirmed receipt, or by overnight courier, addressed as follows or to such other address of which the parties may have given written notice: 

if to BMP or BCP: 
 c/o The
Blackstone Group Inc. 
 345 Park Avenue 

New York, New York 10154 

Attention: Peter Wallace (wallace@blackstone.com) 

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

Simpson Thacher & Bartlett LLP 

425 Lexington Avenue 
 New York,
New York 10017-3954 
 Attention: Wilson Neely (WNeely@stblaw.com) and Igor Fert 

(ifert@stblaw.com) 
 if to
the Company Parties: 
 Vivint Smart Home, Inc. 

4931 North 300 West 
 Provo, Utah
84604 
 Attention: Chief Legal Officer 

Unless otherwise specified herein, such notices or other communications will be deemed received (i) on the date delivered, if delivered personally or
sent by email with confirmed receipt, and (ii) one business day after being sent by overnight courier. 

  
 13 

 (c)    Effectiveness; Termination of Existing Agreement.
This Agreement shall be valid and enforceable as of the date of this Agreement and may not be revoked by any party hereto; provided that the provisions herein (other than this Section 9) shall not be effective until the consummation of
the Merger. 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. Upon the consummation of the Merger, the Existing Agreement (other than
Section 9 thereof) shall be terminated and of no further force and effect. By the execution of this Agreement, 313 Acquisition consents to this Section 9(c) with respect to the termination of the Existing Agreement (other than
Section 9 thereof); provided that 313 Acquisition shall not otherwise be party to this Agreement (other than this Section 9). 

(d)    Entire Agreement. This Agreement constitutes the entire agreement among the parties with respect to
the subject matter hereof, and supersedes all previous oral and written (and all contemporaneous oral) negotiations, commitments, agreements and understandings relating hereto. Notwithstanding the foregoing, BMP and other third party beneficiaries
may have rights under other agreements with the Company, or otherwise, that overlap with the rights provided under this Agreement. Any such overlapping rights are intended to be cumulative. 

(e)    Governing Law. THIS AGREEMENT AND ITS ENFORCEMENT AND ANY CONTROVERSY ARISING OUT OF OR RELATING TO
THE MAKING OR PERFORMANCE OF THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 

(f)    Consent to Jurisdiction; Waiver of Jury Trial. Each party hereto hereby (i) agrees than any
action, directly or indirectly, arising out of, under or relating to this Agreement or the transactions or services contemplated herein shall exclusively be brought in the Delaware Court of Chancery sitting in Wilmington, Delaware (the
“Court of Chancery”) and shall exclusively be heard and determined by the Court of Chancery, unless the Court of Chancery determines that it does not then have subject matter jurisdiction over such action, in which
case any such action shall then exclusively be brought in and shall exclusively be heard and determined by either the Supreme Court of the State of New York sitting in Manhattan or the United States District Court for the Southern District of New
York, and (ii) solely in connection with the action(s) contemplated by subsection (i) hereof, (A) irrevocably and unconditionally consents and submits to the exclusive jurisdiction of the courts identified in subsection (i) hereof,
(B) irrevocably and unconditionally waives any objection to the laying of venue in any of the courts identified in clause (i) of this paragraph (f), (C) irrevocably and unconditionally waives and agrees not to plead or claim that any of the
courts identified in such clause (i) is an inconvenient forum or does not have personal jurisdiction over any party hereto, and (D) agrees that mailing of process or other papers in connection with any such action in the manner provided
herein or in such other manner as may be permitted by applicable law shall be valid and sufficient service thereof. Each party hereto hereby irrevocably waives, to the fullest extent permitted by applicable law, any right it may have to a trial by
jury in respect of any claim or action directly or indirectly arising out of, under or in connection with this Agreement, the transactions or the services contemplated hereby. 

  
 14 

 (g)    Assignment. Neither this Agreement nor any of the
rights or obligations hereunder may be assigned by any of the Company Parties without the prior written consent of BMP; provided, however, that (i) BMP may assign or transfer its duties or interests hereunder to any of its
affiliates at the sole discretion of BMP, and (ii) BCP may, to the extent necessary to maintain venture capital operating company status, assign, on a “shared basis”, its rights under Section 8 to any affiliated private equity
fund. Subject to the foregoing, the provisions of this Agreement will be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns. Subject to the next sentence, no person or party other than the parties
hereto and their respective successors or permitted assigns is intended to be a beneficiary of this Agreement. The parties acknowledge and agree that BMP and its affiliates and their respective partners (both general and limited), members (both
managing and otherwise), officers, directors, employees, agents and representatives as well as any assignee(s) of BCP as described in clause (ii) above, are intended to be third-party beneficiaries under Section 7 and 8 hereof, or
Section 6, as applicable. 
 (h)    Counterparts. This Agreement may be executed by one or more
parties to this Agreement on any number of separate counterparts (including by facsimile), and all of said counterparts taken together will be deemed to constitute one and the same instrument. 

(i)    Severability. Any provision of this Agreement that is prohibited or unenforceable in any jurisdiction
will, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction will not invalidate or render
unenforceable such provision in any other jurisdiction. 
 (j)    Payments. Each payment made by any of
the Company Parties pursuant to this Agreement shall be paid by wire transfer of immediately available funds to such account or accounts as specified by BMP or the relevant recipient to such Company Party prior to such payment. 

(k)    Captions. 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. 
 [signature page follows] 

  
 15 

 The undersigned have executed, or have caused to be executed, this Amended and Restated
Support and Services Agreement as of the date first written above. 
  

			
	BLACKSTONE MANAGEMENT PARTNERS L.L.C.
		
	By:	 	 /s/ Peter Wallace

		 	Name: Peter Wallace
		 	Title: Senior Managing Director
	
	BLACKSTONE CAPITAL PARTNERS VI L.P.
	By: BLACKSTONE MANAGEMENT ASSOCIATES VI L.L.C., its, general partner
		 	By: BMA VI L.L.C., its sole member
		
	By:	 	 /s/ Peter Wallace

		 	Name: Peter Wallace
		 	Title: Senior Managing Director
	
	MOSAIC ACQUISITION CORP.
		
	By:	 	 /s/ David M. Maura

		 	Name: David M. Maura
		 	Title: Chairman, President and Chief Executive Officer
	
	APX GROUP, INC.
		
	By:	 	 /s/ Alex J. Dunn

		 	Name: Alex J. Dunn
		 	Title: President
	
	 For the limited purposes stated in Section 9(c),

313 ACQUISITION LLC

		
	By:	 	 /s/ Alex J. Dunn

		 	Name: Alex J. Dunn
		 	Title: President

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