Document:

EX-10.2

 Exhibit 10.2 

Execution Version 
 ROOK SUPPORT AGREEMENT

 This SUPPORT AGREEMENT (this “Agreement”) is entered into as of April 9, 2017, by and among Swift Transportation Company,
a Delaware corporation (“Bishop”), and the Persons whose names are set forth on the signature pages hereto under the caption “Stockholders” (each individually a “Stockholder” and, collectively, the
“Stockholders”). 
 W I T N E S S E T H: 

WHEREAS, as of the date of this Agreement, each Stockholder owns the number of shares of common stock, par value $0.01 per share (the “Rook
Common Stock”), of Knight Transportation, Inc., an Arizona corporation (“Rook”), set forth opposite such Stockholder’s name on Schedule A attached hereto; 

WHEREAS, concurrently herewith, Bishop, Bishop Merger Sub, Inc., an Arizona corporation and a wholly owned Subsidiary of Bishop (“Merger
Sub”), and Rook are entering into an Agreement and Plan of Merger, dated as of this date (the “Merger Agreement”), pursuant to which the parties thereto have agreed to effect a business combination by means of (i) an
amendment and restatement of the certificate of incorporation of Bishop (the “Charter Amendment”) pursuant to which, among other things, Bishop’s corporate name will change to “Knight-Swift Transportation Holdings
Inc.” and each issued and outstanding share of Bishop Common Stock and each issued and outstanding Bishop Class B Common Stock will be treated as set forth therein; and (ii) a subsequent merger of Merger Sub with and into Rook (the
“Merger”) in accordance with the terms of the Merger Agreement pursuant to which Rook will survive as a wholly owned subsidiary of Bishop and, except as set forth therein, each issued and outstanding share of Rook Common Stock will
be converted into the right to receive one (1) share of Bishop Common Stock, all on the terms and subject to the conditions set forth in the Merger Agreement; and 

WHEREAS, as a condition to the willingness of Bishop to enter into the Merger Agreement, and as an inducement and in consideration therefor, Bishop has
required that the Stockholders agree, and the Stockholders have agreed, to enter into this Agreement. 
 NOW, THEREFORE, in consideration of the
foregoing and the mutual premises, representations, warranties, covenants and agreements contained in this Agreement, the parties, intending to be legally bound, hereby agree as follows: 

ARTICLE 1 
 DEFINITIONS 

SECTION 1.1    Defined Terms. For purposes of this Agreement, terms used in this Agreement that are defined in the
Merger Agreement but not in this Agreement shall have the respective meanings ascribed to them in the Merger Agreement. 
 SECTION
1.2    Other Definitions. For purposes of this Agreement: 

 (a)    “Immediate Family” means lineal descendants (whether by blood,
adoption or marriage), ancestral forebears, current and former spouses, and persons related by blood, adoption or marriage to any of the foregoing. 

(b)    “Order” means any Law, injunction, ruling, decree, award, judgment or similar order (whether temporary,
preliminary or permanent) enacted, issued, promulgated, enforced or entered by any court or Governmental Entity. 

(c)    “owned” means direct or indirect ownership, beneficial ownership (within the meaning of the Exchange Act) or
any right to acquire ownership or beneficial ownership. 
 (d)    “Owned Shares” means all of the shares of Rook
Common Stock owned by such Stockholder as of the date of this Agreement in the manner set forth on Schedule A, including, where applicable, Rook Common Stock underlying Rook Equity Awards (whether issued or issuable). 

(e)    “Permitted Transactions” means any amendment, waiver, or refinancing of any Specified Pledging Transaction
to the extent reasonably necessary to (i) permit such arrangements to continue after the consummation of the Merger and the transactions to be carried out in connection therewith; or (ii) prevent any Stockholder from incurring any
liability for disgorgement of “short-swing” profits under Section 16(b) of the Exchange Act and the rules promulgated thereunder; provided that no such amendment, waiver or refinancing shall constitute a Permitted Transaction unless the
Stockholders will continue after such amendment, waiver or refinancing to have the power to vote the shares of Rook Common Stock subject to such Specified Pledging Transaction to the same extent as they do as of the date of this Agreement. Each
Stockholder shall, and shall cause each Specified Entity (as applicable) to, notify Bishop of, and provide Bishop with such information and documentation as Bishop shall reasonably request regarding, any potential Permitted Transaction a reasonable
time prior to entering into such transaction. 
 (f)    “Permitted Transferee” means any Rook Entity or any
charitable foundation or organization, in each case only if such parties agree to be bound by the terms of this Agreement. 

(g)    “Rook Acquisition Proposal” means an Acquisition Proposal with respect to Rook. 

(h)    “Rook Entity” means any trust for the benefit of the Stockholders or any members of Stockholders’
Immediate Family and any other entity in which the Stockholders or any members of Stockholders’ Immediate Family separately or collectively hold all of the outstanding equity interests. 

(i)    “Specified Pledging Transaction” means any hedging or pledging arrangement of any Stockholder described on
Schedule A. 
 (j)    “Transfer” means sell, transfer, assign, subject to a Lien, pledge, encumber or
otherwise dispose, whether directly or indirectly, including through swap, derivative or hedging transactions or otherwise. 

  
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 (k)    “Voting Period” means the period from and including the date of
this Agreement through and including the earliest to occur of (i) the effectiveness of the Merger and (ii) the termination of the Merger Agreement in accordance with its terms. 

ARTICLE 2 
 VOTING AGREEMENT AND IRREVOCABLE
PROXY 
 SECTION 2.1    Agreement to Vote. 

(a)    Each Stockholder hereby agrees that, during the Voting Period, (x) such Stockholder shall take all such actions as may be
required to cause all Owned Shares owned by such Stockholder to be voted in favor of the Merger Agreement, the Plan of Merger and the transactions contemplated by the Merger Agreement, including the Charter Amendment (as the components thereof may
be combined or separately required to be proposed or presented), if applicable, at any meeting of the stockholders of Rook in connection with the Merger Agreement, the Plan of Merger or the other transactions contemplated by the Merger Agreement and
(y) such Stockholder shall take all such actions as may be required to cause each Owned Share owned by such Stockholder to be present, in person or by proxy, at any meeting of the stockholders of Rook in connection with the Merger Agreement,
the Plan of Merger or the transactions contemplated by the Merger Agreement, including in connection with the approval of all or any component of the Charter Amendment for the purposes of determining the presence of a quorum and voted in accordance
with the preceding clause (x) at such meetings (including at any adjournments or postponements thereof). 
 (b)    Subject to
Section 3.2 hereof, each Stockholder hereby agrees that, during the Voting Period, such Stockholder shall vote or execute consents, as applicable, with respect to the Owned Shares owned by such Stockholder as of the applicable record date (or
cause to be voted or a consent to be executed with respect to the Owned Shares owned by such Stockholder as of the applicable record date) against each of the matters set forth in clauses (i), (ii), (iii) and (iv) below at any meeting (or any
adjournment or postponement thereof) of, or in connection with any proposed action by written consent of, the holders of Rook Common Stock at or in connection with which any of the holders vote or execute consents with respect to any of the
following matters: 
 (i)    any merger or similar agreement or merger (other than the Merger Agreement, the Merger or any
business combination or transaction with Bishop or any of its affiliates), consolidation, combination, sale of substantial assets, reorganization, recapitalization, dissolution, liquidation or winding up of or by Rook or any of its Subsidiaries or
any other business combination involving Rook or any of its Subsidiaries; 
 (ii)    any action, proposal, transaction or
agreement that would reasonably be expected to result in a breach in any respect of any covenant, representation or warranty or any other obligation or agreement of Rook contained in the Merger Agreement or of such Stockholder contained in this
Agreement; 
 (iii)    any action, proposal, transaction or agreement involving Rook or any of its Subsidiaries that would
reasonably be expected to prevent, impede, frustrate, interfere with, 

  
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delay, postpone or adversely affect the Merger and the other transactions contemplated by the Merger Agreement, in contravention of the terms and conditions set forth in the Merger Agreement; and

 (iv)    any Rook Acquisition Proposal made prior to the termination of the Merger Agreement. 

(c)    Any vote required to be cast or consent required to be executed pursuant to this Section 2.1 shall be cast or executed
in accordance with the applicable procedures relating thereto so as to ensure that the Owned Shares owned by each Stockholder are duly counted for purposes of determining that a quorum is present (if applicable) and for purposes of recording the
results of that vote or consent. Nothing contained in this Agreement shall require any Stockholder to vote or execute any consent with respect to any Rook Common Stock (i) issuable in connection with a Rook Equity Award but not yet issued prior
to the applicable record date for the applicable vote or consent or (ii) which a Stockholder or its Affiliate has the right to acquire pursuant to a sale and repurchase agreement but which such Stockholder or its Affiliate has not acquired and
does not have the right to vote prior to the applicable record date for the applicable vote or consent. 
 SECTION
2.2    Grant of Irrevocable Proxy. Each Stockholder hereby irrevocably appoints Bishop and any designee of Bishop, and each of them individually, as such Stockholder’s proxy and attorney-in-fact, with full power of substitution and resubstitution, to vote or execute consents during the Voting Period, with respect to the Owned Shares owned by such Stockholder as of the applicable
record date, in each case solely to the extent and in the manner specified in Section 2.1. This proxy is given to secure the performance of the duties of such Stockholder under this Agreement. Such Stockholder shall not directly or indirectly
grant any Person any proxy (revocable or irrevocable), power of attorney or other authorization with respect to any of such Stockholder’s Owned Shares that is inconsistent with Sections 2.1 and 2.2 provided, that the foregoing shall not be
deemed to prohibit customary powers of attorney contained in security or pledge agreements that support any Specified Pledging Transaction and grant the secured party a proxy, power of attorney, or similar rights in connection with a foreclosure or
similar exercise of remedies thereunder. 
 SECTION 2.3    Nature of Irrevocable Proxy. The proxy and power of
attorney granted pursuant to Section 2.2 by each Stockholder shall be irrevocable during the Voting Period, shall be deemed to be coupled with an interest sufficient in law to support an irrevocable proxy and shall revoke any and all prior
proxies granted by such Stockholder with regard to such Stockholder’s Owned Shares and such Stockholder acknowledges that the proxy constitutes an inducement for Rook, Bishop and Merger Sub to enter into the Merger Agreement. The power of
attorney granted by each Stockholder is a durable power of attorney and shall survive the bankruptcy, dissolution, death or incapacity of such Stockholder. The proxy and power of attorney granted hereunder shall terminate only upon the expiration of
the Voting Period. 

  
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 ARTICLE 3 

COVENANTS 
 SECTION
3.1    Voting Period Restrictions. Except for Permitted Transactions, each Stockholder agrees that such Stockholder shall not, during the Voting Period: 

(a)    Transfer any or all of such Stockholder’s Owned Shares or any interest therein, or any economic or voting rights with
respect thereto (including any rights decoupled from the underlying securities) or enter into any contract, option or other arrangement or understanding with respect thereto (including any voting trust or agreement and the granting of any proxy),
other than with the prior written consent of Bishop; provided that the foregoing shall not prevent (i) the Transfer of Owned Shares upon the death of such Stockholder pursuant to the terms of any trust or will of such Stockholder or by
the laws of intestate succession, but only if, and any such Transfer shall be void unless, the transferee executes and delivers to Bishop an agreement to be bound by the terms of this Agreement to the same extent as such Stockholder, (ii) the
Transfer of Owned Shares to a Permitted Transferee, (iii) any purported Transfer of Owned Shares in connection with the cashless exercise or cashless settlement of any Rook Equity Award or (iv) a Transfer by a secured party exercising its
remedies upon default under any Specified Pledging Transaction; or 
 (b)    acquire, offer or propose to acquire or agree to
acquire, directly or indirectly, whether by purchase, take-over bid, tender or exchange offer, through the acquisition of control of another person, by joining a partnership, limited partnership, syndicate or other group (including any group of
persons that would be treated as a single “person” under Section 13(d) of the Exchange Act), through swap or hedging transactions or otherwise, any additional securities (or options, rights or warrants to purchase, securities convertible
into or exchangeable for, or securities the value of which is determined substantial part based on the value of, such securities) of Rook or Bishop (other than the acquisition of Rook Equity Awards granted to such Stockholder or the acquisition of
shares of Rook Common Stock upon the exercise or settlement of a Rook Equity Award). 
 SECTION 3.2    No Shop
Obligations of Each Stockholder. 
 (a)    From the date of this Agreement until the earlier of Effective Time or the
termination of this Agreement in accordance with its terms, each Stockholder agrees that such Stockholder and its, his or her controlled Affiliates (excluding Rook and its Subsidiaries) shall not, and shall not authorize or permit any of its, his or
her or their respective Representatives to, directly or indirectly, (i) solicit, initiate or knowingly encourage, induce or facilitate any Rook Acquisition Proposal or any inquiry, proposal or offer that may reasonably be expected to lead to a
Rook Acquisition Proposal, (ii) furnish any nonpublic information regarding Rook or any of its Subsidiaries or afford access to the business, properties, assets, books or records of Rook or any of its Subsidiaries to, or otherwise cooperate in
any way with, any Person that is reasonably expected to make, or is otherwise seeking to make, or has made, a Rook Acquisition Proposal, or (iii) participate in any discussions (provided, however, a Stockholder may refer Persons to the filings
with the SEC to which this Agreement is filed as an exhibit) or negotiations with any Person regarding a Rook Acquisition Proposal. Notwithstanding the foregoing, to the extent that Rook is permitted to engage in any of the foregoing activities
pursuant to Section 5.2(b) of the 

  
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Merger Agreement, each Stockholder, its, his or her controlled Affiliates and its, his or her or their respective Representatives may (A) participate in such activities, provided that such
action by such Stockholder, its, his or her controlled Affiliates and its, his or her or their respective Representatives would be permitted to be taken by Rook pursuant to Section 5.2(b) of the Merger Agreement and (B) engage in discussions
regarding the potential terms of any voting, stockholders, employment or consulting agreement (or other similar agreements) with any Person that has made a Rook Acquisition Proposal. 

(b)    In addition, each Stockholder shall promptly (but in any event within one Business Day) advise Bishop of any Rook Acquisition
Proposal received by such Stockholder or any of its, his or her controlled Affiliates (excluding Rook and its Subsidiaries), the material terms and conditions of any such Rook Acquisition Proposal (including any material changes thereto) and the
identity of the Person making any such Rook Acquisition Proposal. 
 SECTION 3.3    General Covenants. Each
Stockholder agrees that such Stockholder and its, his or her controlled Affiliates (excluding Bishop and its Subsidiaries) shall not: (a) enter into any agreement, commitment, letter of intent, agreement in principle, or understanding with any
Person or take any other action that violates or conflicts with or would reasonably be expected to violate or conflict with, or result in or give rise to a violation of or conflict with, such Stockholder’s representations, warranties, covenants
and obligations under this Agreement; or (b) take any action that could restrict or otherwise affect such Stockholder’s legal power, authority and right to comply with and perform such Stockholder’s covenants and obligations under
this Agreement. 
 SECTION 3.4    Stockholders’ Capacity. Bishop acknowledges that no Stockholder is making any
agreement or understanding herein on behalf of Rook or any of its Subsidiaries or in such Stockholder’s capacity as a director or officer of Rook and that each Stockholder is executing this agreement solely in such Stockholder’s capacity
as the direct or indirect owner of Rook Common Stock and nothing herein shall limit or affect any actions taken by such Stockholder in such Stockholder’s capacity as a director or officer of Rook. 

SECTION 3.5    Stop Transfer; Changes in Owned Shares. Each Stockholder agrees that (a) this Agreement and the
obligations hereunder shall attach to its Owned Shares and shall be binding upon any Person to which legal or beneficial ownership of such Owned Shares shall pass, whether by operation of law or otherwise, including its successors or assigns and
(b) other than as permitted by this Agreement, such Stockholder shall not request that Rook register the Transfer (book-entry or otherwise) of any certificate or uncertificated interest representing any or all of its Owned Shares; provided,
that nothing herein shall prohibit or otherwise restrict a Transfer by a secured party exercising its remedies upon default under any Specified Pledging Transaction. Notwithstanding any Transfer, such Stockholder shall remain liable for the
performance of all of its obligations under this Agreement. 
 SECTION 3.6    Further Assurances. From time to time
and without additional consideration, each party hereto shall take such further actions, as another party hereto may reasonably request for the purpose of carrying out and furthering the intent of this Agreement. 

  
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 ARTICLE 4 

REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDERS 

Each Stockholder hereby represents and warrants to Bishop as follows: 

SECTION 4.1    Authorization. Such Stockholder has all power and authority (or legal capacity in the case of an
individual) to execute and deliver this Agreement and to perform its obligations hereunder. This Agreement has been duly executed and delivered by such Stockholder and, assuming it has been duly and validly authorized, executed and delivered by
Bishop, constitutes a legal, valid and binding obligation of such Stockholder, enforceable against such Stockholder in accordance with its terms, except to the extent that enforceability may be limited by (i) applicable bankruptcy, insolvency,
reorganization, moratorium, fraudulent conveyance or other similar laws now or hereafter in effect relating to creditor’s rights generally, and (ii) general principles of equity. 

SECTION 4.2    Ownership of Shares. As of the date hereof, the Owned Shares of such Stockholder are listed on
Schedule A attached hereto. Except as described in the Forms 3, 4, or 5 filed by such Stockholder with the SEC on or prior to the date hereof, or as otherwise disclosed to Bishop in writing on or prior to the date hereof, such Stockholder is
the sole record and beneficial owner, free and clear of all Liens and all voting agreements and commitments of every kind, of all of the Owned Shares (including the Owned Shares underlying such Stockholder’s Rook Equity Awards) listed opposite
such Stockholder’s name on Schedule A hereto and has the sole power to vote (or cause to be voted) and to dispose of (or cause to be disposed of) such Owned Shares without restriction and no proxies through and including the date hereof
have been given in respect of any or all of such Owned Shares (including the Owned Shares underlying such Stockholder’s Rook Equity Awards) other than proxies which have been validly revoked prior to the date hereof. 

SECTION 4.3    No Conflicts. Except for a filing of an amendment to a Schedule 13D and a filing of a Form 4 to the
extent required by the Exchange Act, (i) no filing with any Governmental Entity, and no authorization, consent or approval of any other Person is necessary for the execution of this Agreement by such Stockholder or the performance by such
Stockholder of such Stockholder’s obligations hereunder and (ii) none of the execution and delivery of this Agreement by such Stockholder, or the performance by such Stockholder of such Stockholder’s obligations hereunder shall
(A) result in, give rise to or constitute a violation or breach of or a default (or any event which with notice or lapse of time or both would become a violation, breach or default) under, or give to others any rights of termination, amendment,
acceleration or cancellation of, or result in the creation of a Lien on, any of the Owned Shares pursuant to any note, bond, mortgage, indenture, contract, agreement, lease, license, permit, franchise or other instrument or obligation to which such
Stockholder is a party or by which such Stockholder or any of such Stockholder’s Owned Shares are bound, or (B) violate any applicable law, rule, regulation, order, judgment, or decree applicable to such Stockholder or any of its assets
(including the Owned Shares), except for any of the foregoing as would not impair such Stockholder’s ability to perform such Stockholder’s obligations under this Agreement. 

SECTION 4.4    Transaction Fee. Such Stockholder has not employed any investment banker, broker or finder in
connection with the transactions contemplated by the 

  
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Merger Agreement who might be entitled to any fee or any commission from Bishop or Rook or any of their respective Subsidiaries in connection with or upon consummation of the Merger or any other
transaction contemplated by the Merger Agreement. 
 SECTION 4.5    Actions and Proceedings. As of the date hereof,
there are no (a) Actions pending or, to the knowledge of such Stockholder, threatened against such Stockholder or any of its Affiliates or (b) outstanding Orders to which such Stockholder or any of its assets or Affiliates are subject or
bound, in each case, that would or seek to prevent, materially delay, hinder, impair or prevent the exercise by Bishop of its rights under this Agreement or the performance by such Stockholder of its obligations under this Agreement. 

SECTION 4.6    Acknowledgement. Such Stockholder understands and acknowledges that Bishop is entering into the Merger
Agreement in reliance upon such Stockholder’s execution, delivery and performance of this Agreement. 
 ARTICLE 5 

REPRESENTATIONS AND WARRANTIES OF BISHOP 

Bishop hereby represents and warrants to the Stockholders as follows: 

SECTION 5.1    Authorization. Bishop has all power and authority to execute and deliver this Agreement and to perform
its obligations hereunder. This Agreement has been duly authorized, executed and delivered by Bishop and, assuming it has been duly and validly executed and delivered by the Stockholders, constitutes a legal, valid and binding obligation of Bishop,
enforceable against it in accordance with the terms of this Agreement. 
 SECTION 5.2    No Conflicts. The execution
and delivery of this Agreement by Bishop does not and the performance of this Agreement by Bishop will not (i) conflict with, result in any violation of, require any consent under or constitute a default (whether with notice or lapse of time or
both) under any mortgage, bond, indenture, agreement, instrument or obligation to which it is a party or by which it or any of its properties is bound; (ii) violate any judgment, order, injunction, decree or award of any court, administrative
agency or other Governmental Entity that is binding on Bishop or any of its properties; or (iii) constitute a violation by Bishop of any law, regulation, rule or ordinance applicable to Bishop or any of its assets, in each case, except for any
violation, conflict or consent as would not impair the ability of Bishop to perform its obligations under this Agreement or to consummate the transactions contemplated herein on a timely basis. 

ARTICLE 6 
 TERMINATION 

This Agreement and all obligations of the parties hereunder shall automatically terminate upon the earliest to occur of (i) the Effective Time, and
(ii) the termination of the Merger Agreement in accordance with its terms (unless the Merger Agreement is terminated as a result of breach of this Agreement). Upon the termination of this Agreement, neither Bishop, Merger Sub nor the
Stockholders shall have any rights or obligations hereunder and this Agreement shall become null and void and have no effect; provided, that Sections 7.1, and 7.3 through 7.11 shall survive such termination. Notwithstanding the foregoing,
termination of this Agreement shall 

  
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not prevent any party from seeking any remedies (at law or in equity) against any other party for that party’s breach of any of the terms of this Agreement prior to the date of termination.

 ARTICLE 7 
 MISCELLANEOUS 

SECTION 7.1    Publication. Each Stockholder hereby permits Bishop, Merger Sub and/or Rook to publish and disclose in
press releases, Schedule 13D filings (if applicable), the Form S-4 and the Joint Proxy Statement/Prospectus (including all documents and schedules filed with the SEC) and any other disclosures or filings
required by applicable law such Stockholder’s identity and ownership of shares of Rook Common Stock, the nature of such Stockholder’s commitments, arrangements and understandings pursuant to this Agreement and/or the text of this
Agreement. 
 SECTION 7.2    Amendment or Supplement. Subject to applicable Law, this Agreement may be amended,
modified or supplemented by the parties at any time prior to the Effective Time, whether before or after Rook Stockholder Approval and/or Bishop Stockholder Approval has been obtained. This Agreement may not be amended, modified or supplemented in
any manner, whether by course of conduct or otherwise, except by an instrument in writing specifically designated as an amendment hereto, signed on behalf of each of the parties in interest at the time of the amendment. 

SECTION 7.3    Specific Performance. Notwithstanding anything herein to the contrary, the parties agree that
irreparable damage for which monetary damages, even if available, would not be an adequate remedy would occur in the event that any provision of this Agreement were not performed in accordance with the terms hereof. Accordingly, the parties
acknowledge and agree that each party shall be entitled to an injunction, specific performance and other equitable relief to prevent breaches of this Agreement and to enforce specifically the terms and provisions hereof, this being in addition to
any other remedy to which such party is entitled at Law or in equity. Each of the parties hereby further waives (a) any defense in any action for specific performance that a remedy at Law would be adequate or that an award of specific
performance is not an appropriate remedy for any reason at law or in equity and (b) any requirement under any Law to post any bond or other security as a prerequisite to obtaining equitable relief. 

SECTION 7.4    Notices. All notices and other communications hereunder shall be in writing and shall be deemed duly
given (a) on the date of delivery if delivered personally, or if by facsimile, upon written confirmation of receipt by facsimile, (b) on the first Business Day following the date of dispatch if delivered utilizing a next-day service by a recognized next-day courier (providing written proof of delivery) or (c) on the earlier of confirmed receipt or the fifth Business Day following the
date of mailing if delivered by registered or certified mail, return receipt requested, postage prepaid. All notices hereunder shall be delivered to the addresses set forth below, or pursuant to such other instructions as may be designated in
writing by the party to receive such notice: 

  
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	 	(a)	If to Bishop addressed to it at: 

 Swift Transportation Company 

2200 S. 75th Avenue 
 Phoenix, Arizona 85043 

Attention: General Counsel 
 Facsimile: (623) 907-7464 
 with a copy (which shall not constitute notice) to: 

Kirkland & Ellis LLP 
 601 Lexington
Avenue 
 New York, New York 10022 
 Attention:
Daniel E. Wolf 
           Michael P. Brueck 

          Claire E. James 

Facsimile: (212) 446-4900 
  

	 	(b)	If to the Stockholders, addressed to them at: 

 Knight Transportation, Inc. 

20002 North 19th Avenue 
 Phoenix, Arizona 85027

 Fax: (480) 425-3998 

Attention: General Counsel 
 with a copy (which
shall not constitute notice) to: 
 Fried, Frank, Harris, Shriver & Jacobson, LLP 

One New York Plaza 
 New York, New York 10004 

Fax: (212) 859-4000 

Attention: Philip Richter 
 provided that any notice received by
facsimile transmission or otherwise at the addressee’s location on any Business Day after 5:00 P.M. (addressee’s local time) or on any day that is not a Business Day shall be deemed to have been received at 9:00 A.M. (addressee’s
local time) on the next Business Day. Bishop shall provide the Stockholders with written notice, in accordance with the foregoing requirements, of any notice it sends or receives under the Merger Agreement, such notice to be sent simultaneously if
sent by Bishop or within one Business Day of receipt if received by Bishop. 
 SECTION 7.5    Headings; Titles.
Headings and titles of the Articles and Sections of this Agreement are for the convenience of the parties only, and shall be given no substantive or interpretative effect whatsoever. 

  
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 SECTION 7.6    Severability. If any term or other provision of this
Agreement is held by a court of competent jurisdiction or other authority to be invalid, illegal or incapable of being enforced by any rule of Law, or public policy, all other conditions and provisions of this Agreement shall nevertheless remain in
full force and effect and shall in no way be affected, impaired or invalidated. Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced, the parties hereto shall negotiate in good faith to modify
this Agreement so as to effect the original intent of the parties as closely as possible in a mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the fullest extent possible and
the relevant provision may be given effect to the fullest extent consistent with applicable Law. 
 SECTION
7.7    Entire Agreement. This Agreement (together with the Merger Agreement, to the extent referred to in this Agreement) and any documents delivered by the parties in connection herewith constitutes the entire
agreement, and supersede all prior written agreements, arrangements, communications and understandings and all prior and contemporaneous oral agreements, arrangements, communications and understandings among the parties with respect to the subject
matter hereof. 
 SECTION 7.8    Assignment; Successors. Neither this Agreement nor any of the rights, interests or
obligations under this Agreement may be assigned or delegated, in whole or in part, by operation of Law or otherwise, by any party without the prior written consent of the other parties, and any such assignment without such prior written consent
shall be null and void. Subject to the preceding sentence, this Agreement will be binding upon, inure to the benefit of, and be enforceable by, the parties and their respective successors and assigns. 

SECTION 7.9    No Third Party Beneficiaries. Nothing in this Agreement, express or implied, is intended to or shall
confer upon any Person other than the parties and their respective successors and permitted assigns any legal or equitable right, benefit or remedy of any nature under or by reason of this Agreement. 

SECTION 7.10    No Presumption Against Drafting Party. Each party acknowledges that each party to this Agreement has
been represented by counsel in connection with this Agreement and the transactions contemplated by this Agreement. Accordingly, any rule of law or any legal decision that would require interpretation of any claimed ambiguities in this Agreement
against the drafting party has no application and is expressly waived. 
 SECTION 7.11    Governing Law and Consent to
Jurisdiction. THIS AGREEMENT SHALL BE DEEMED TO BE MADE IN AND IN ALL RESPECTS SHALL BE INTERPRETED, CONSTRUED AND GOVERNED BY AND IN ACCORDANCE WITH THE LAW OF THE STATE OF DELAWARE WITHOUT REGARD TO THE CONFLICTS OF LAW PRINCIPLES THEREOF TO
THE EXTENT THAT SUCH PRINCIPLES WOULD DIRECT A MATTER TO ANOTHER JURISDICTION. The parties hereby irrevocably submit to the personal jurisdiction of the Delaware Court of Chancery or, if such court shall lack subject matter jurisdiction, the
District of Delaware, solely in respect of the interpretation. Each of the parties agrees not to commence any action, suit or proceeding relating hereto except in the courts described above in the State of Delaware, other than actions in any court
of competent jurisdiction to enforce any judgment, decree or award rendered by any such court in Delaware as 

  
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described herein. Each of the parties further agrees that notice as provided in Section 7.4 shall constitute sufficient service of process and the parties further waive any argument that
such service is insufficient. However, the foregoing shall not limit the right of a party to effect service of process on the other party by any other legally available method. Each of the parties hereby irrevocably and unconditionally waives, and
agrees not to deny or defeat personal jurisdiction, by way of motion or as a defense, counterclaim or otherwise, in any action or proceeding arising out of or relating to this Agreement or the transactions contemplated hereby, including by asserting
(a) any claim that it is not personally subject to the jurisdiction of such courts in the State of Delaware as described herein for any reason, (b) that it or its property is exempt or immune from jurisdiction of any such court or from any
legal process commenced in such courts (whether through service of notice, attachment prior to judgment, attachment in aid of execution of judgment, execution of judgment or otherwise) and (c) that (i) the suit, action or proceeding in any
such court is brought in an inconvenient forum, (ii) the venue of such suit, action or proceeding is improper or (iii) this Agreement, or the subject matter hereof, may not be enforced in or by such courts. 

SECTION 7.12    Waiver of Jury Trial. EACH OF THE PARTIES TO THIS AGREEMENT HEREBY IRREVOCABLY WAIVES ALL RIGHT TO A
TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. 

SECTION 7.13    Counterparts; Facsimiles. This Agreement may be executed in two or more counterparts, all of which
shall be considered one and the same instrument and shall become effective when one or more counterparts have been signed by each of the parties and delivered to the other party. This Agreement may be executed by facsimile signature or by emailed
portable document format (.pdf) file signature and a facsimile or .pdf signature shall constitute an original for all purposes. 
 [Signature page
follows.] 

  
 12 

 IN WITNESS WHEREOF, Bishop and the Stockholders have caused this Agreement to be duly executed as of the
day and year first above written. 
  

			
	BISHOP:
	
	SWIFT TRANSPORTATION COMPANY
		
	By:	 	 /s/ Virginia Henkels

	Name:	 	Virginia Henkels
	Title:	 	Executive Vice President, Chief Financial
		 	Officer and Treasurer
	
	STOCKHOLDERS:
	
	 /s/ Kevin P. Knight

	KEVIN P. KNIGHT
	
	THE KEVIN AND SYDNEY KNIGHT REVOCABLE LIVING TRUST DATED MARCH 25, 1994, AS AMENDED
		
	By:	 	 /s/ Kevin P. Knight

	Name:	 	Kevin P. Knight
	Title:	 	Trustee
		
	By:	 	 /s/ Sydney B. Knight

	Name:	 	Sydney B. Knight
	Title:	 	Trustee

  
 [Rook Support Agreement Signature
Page] 

 SCHEDULE A 

OWNED SHARES 
  

					
	 Stockholder
	  	OWNED SHARES	 
	 Kevin P. Knight
	  	 	17,301	 
	 The Kevin and Sydney Knight Revocable Living Trust dated March 25, 1994, as amended
	  	 	2,726,862	 
	 Shares covered by a stock option granted to Gary J. Knight that is currently exercisable or that will become
exercisable within 60 days of February 28, 2017
	  	 	120,000	 
	 Total
	  	 	2,864,163	 

 As of March 17, 2017, Kevin P. Knight had pledged as security 1,500,000 of the shares that he beneficially owns. The number of
pledged shares fluctuates based on the stock price. 

  
 Schedule A to Rook Support
AgreementEX-10.3

 Exhibit 10.3 

Execution Version 
  

 
  

THE MOYES FAMILY 
 STOCKHOLDERS 

AGREEMENT 
 DATED AS OF APRIL 9, 2017

  
  

 

 TABLE OF CONTENTS 
  

							
	 ARTICLE I DEFINITIONS
	  	 	1	 
			
	 SECTION 1.01.
	 	 Definitions
	  	 	1	 
		
	 ARTICLE II CORPORATE GOVERNANCE
	  	 	7	 
			
	 SECTION 2.01.
	 	 Stockholders Designees
	  	 	7	 
	 SECTION 2.02.
	 	 Certain Post-Closing Matters.
	  	 	9	 
	 SECTION 2.03.
	 	 Change in Law
	  	 	10	 
		
	 ARTICLE III LIMITATIONS ON PURCHASES OF EQUITY SECURITIES AND OTHER ACTIONS
	  	 	10	 
			
	 SECTION 3.01.
	 	 Acquisition of Shares
	  	 	10	 
	 SECTION 3.02.
	 	 Additional Limitations
	  	 	10	 
	 SECTION 3.03.
	 	 Voting of Shares
	  	 	11	 
		
	 ARTICLE IV TRANSFER OF SHARES
	  	 	13	 
			
	 SECTION 4.01.
	 	 Limitation on Transfer of Shares
	  	 	13	 
	 SECTION 4.02.
	 	 Notice
	  	 	13	 
	 SECTION 4.03.
	 	 Improper Transfers
	  	 	13	 
		
	 ARTICLE V MISCELLANEOUS
	  	 	14	 
			
	 SECTION 5.01.
	 	 Notices
	  	 	14	 
	 SECTION 5.02.
	 	 Expenses
	  	 	15	 
	 SECTION 5.03.
	 	 Amendments; Waivers
	  	 	15	 
	 SECTION 5.04.
	 	 Interpretation
	  	 	16	 
	 SECTION 5.05.
	 	 Severability
	  	 	16	 
	 SECTION 5.06.
	 	 Counterparts
	  	 	16	 
	 SECTION 5.07.
	 	 Entire Agreement; No Third-Party Beneficiaries; Several Obligations
	  	 	16	 
	 SECTION 5.08.
	 	 Governing Law
	  	 	17	 
	 SECTION 5.09.
	 	 Assignment
	  	 	17	 
	 SECTION 5.10.
	 	 Enforcement; Information
	  	 	17	 
	 SECTION 5.11.
	 	 Effectiveness; Termination
	  	 	17	 
	 SECTION 5.12.
	 	 Confidentiality
	  	 	17	 
	 SECTION 5.13.
	 	 Representations and Warranties
	  	 	18	 
	 SECTION 5.14.
	 	 Acknowledgment of Securities Laws
	  	 	19	 
	 SECTION 5.15.
	 	Specified Entities	  	 	19	 

  
 - i - 

 THIS STOCKHOLDERS AGREEMENT, dated as of April 9, 2017 (this “Agreement”), among
(i) Swift Transportation Company (to be renamed Knight-Swift Transportation Holdings Inc.), a Delaware corporation (the “Company”), and (ii) Jerry Moyes (“Jack”), Vickie Moyes (“Jack
Spouse”), Jerry and Vickie Moyes Family Trust Dated 12/11/87, an Arizona grantor trust (the “JVMFT”), LynDee Moyes Nester, Michael Moyes, and the Persons that may join this Agreement from time to time in accordance with
Section 4.01(a) or Section 5.15 (collectively, the “Stockholders”). Capitalized terms are defined in Section 1.01. 

WHEREAS, concurrently herewith, the Company, Knight Transportation, Inc., an Arizona corporation (“Rook”), and Bishop Merger Sub, Inc.,
an Arizona corporation and a wholly owned Subsidiary of the Company (“Merger Sub”), are entering into an Agreement and Plan of Merger, dated as of the date hereof (as amended, modified or supplemented from time to time, the
“Merger Agreement”), pursuant to which the parties thereto have agreed to effect a business combination by means of (i) an amendment and restatement of the certificate of incorporation of the Company pursuant to which, among
other things, the Company’s corporate name will change to “Knight-Swift Transportation Holdings Inc.” and each issued and outstanding share of Company Common Stock and Company Class B Common Stock will be treated as provided
therein; and (ii) a subsequent merger of Merger Sub with and into Rook (the “Merger”), in accordance with the terms of the Merger Agreement, pursuant to which Rook will survive as a wholly owned Subsidiary of Bishop and, except
as set forth therein, each issued and outstanding share of common stock, par value $0.01 per share, of Rook will be converted into the right to receive one (1) share of Company Common Stock, all on the terms and subject to the conditions set
forth in the Merger Agreement; 
 WHEREAS, the Board of Directors has approved the execution, delivery and performance of this Agreement; and 

WHEREAS, the Company and the Stockholders desire to establish in this Agreement certain arrangements to be effective upon the Effective Time with
respect to the Shares beneficially owned by the Stockholders and certain agreements with respect to the corporate governance of the Company, the acquisition and the disposition of securities of the Company by the Stockholders and their affiliates
and other matters. 
 NOW, THEREFORE, in consideration of the foregoing and the mutual premises, representations, warranties, covenants and agreements
contained in this Agreement, the parties, intending to be legally bound, hereby agree as follows: 
 ARTICLE I 

DEFINITIONS 
 SECTION
1.01.    Definitions. As used in this Agreement, the following terms shall have the following meanings: 
 An
“affiliate” of any Person means another Person that directly or indirectly, through one or more intermediaries, controls, is controlled by, or is under common control with, such first Person. Neither the Company nor any of its
Subsidiaries, on the one hand, nor any 

 
Stockholder, Specified Entity, nor any of their respective Subsidiaries, on the other hand, shall be deemed an affiliate of the other for purposes of this Agreement. 

“Agreement” has the meaning set forth in the preamble to this Agreement. 

“beneficial owner” and words of similar import have the meaning assigned to such terms in
Rule 13d-3 promulgated under the Exchange Act; provided that, for purposes of this Agreement, a Person shall be deemed to beneficially own the Shares underlying any options, warrants or
convertible, exchangeable or similar securities, whether or not such options, warrants or convertible, exchangeable or similar securities are then (or within 60 days will be) exercisable, convertible or exchangeable for or into Shares. 

“Board” or “Board of Directors” means the Board of Directors of the Company, except where the context requires
otherwise. 
 “Business Day” means (i) for so long as Shares are listed or admitted for trading on the NYSE or another national
securities exchange, a day on which the NYSE or such other national securities exchange is open for business and trading in Shares is not suspended or restricted or (ii) if Shares cease to be so listed, any day other than a Saturday or Sunday
or a day on which banking institutions in the State of New York are authorized or obligated by Law or executive order to close. 

“Bylaw/Charter Proposals” means proposals to amend the Company’s by-laws to eliminate the
last four sentences of Article III, Section 6 thereof and to amend the certificate of incorporation and by-laws of the Company to eliminate the references therein to “Permitted Holders” and
“Affiliated Persons.” 
 “CFL” means Central Freight Lines, Inc., a Nevada corporation. 

“Company” has the meaning set forth in the preamble to this Agreement and shall include any successor by merger or consolidation. In
the event that the Company is a constituent corporation in a merger pursuant to Section 251(g) of the General Corporation Law of the State of Delaware (or any successor provision thereto) or any equivalent provision of the laws of another
jurisdiction of the United States, the holding company resulting therefrom shall thereafter constitute the Company for purposes hereof. 

“Company Class B Common Stock” means the Class B common stock, par value $0.01 per share, of the Company. 

“Company Common Stock” means the Class A common stock, par value $0.01 per share, of the Company. 

“Delaware Courts” has the meaning assigned to such term in Section 5.08. 

“Designation Deadline” has the meaning assigned to such term in Section 2.01(b). 

“Designation Period” means the period of time between the Effective Time and the time that the Stockholders Voting Percentage Interest
first drops below 5%. 

  
 - 2 - 

 “Director” means a member of the Board of Directors. 

“Effective Time” means the effective time of the Merger. 

“Equity Security” means (a) any Shares and (b) any options, warrants or convertible, exchangeable or similar securities
exercisable, convertible or exchangeable for or into Shares, whether or not such options, warrants or convertible, exchangeable or similar securities may be then exercised, converted or exchanged. 

“Excess Shares” has the meaning assigned to such term in Section 3.03(a). 

“Exchange Act” means the Securities Exchange Act of 1934 and the rules and regulations promulgated thereunder, as amended. 

“Existing Share Agreements” has the meaning assigned to such term in Section 2.01(g). 

“Family” means, with respect to any natural person, such person’s lineal descendants (whether by blood or marriage), such
person’s ancestral forebears and any current spouse of such person.” 
 “Gary Designator” means Gary J. Knight or any
successor to the role of Gary Designator appointed by a Designator stepping down from such role; provided that any successor to such role shall be subject to the approval of the Majority Directors, such approval not to be unreasonably withheld or
conditioned. If a Gary Designator steps down from such role, dies or becomes incapacitated without appointing a successor to such role, then the Majority Directors shall be entitled to appoint such successor. 

“Group” means any “group” as defined in Section 13(d)(3) of the Exchange Act (it being agreed that a party may be deemed a
member of a “group” for purposes of this Agreement whether or not such party beneficially owns any Equity Securities of the other party, irrespective of whether such party would otherwise be deemed a member of a “group” for
purposes of the Exchange Act due to the absence of such beneficial ownership). 
 “Governmental Entity” means any transnational,
Federal, state, local or foreign government, or any court of competent jurisdiction, administrative agency or commission or other governmental authority or instrumentality, domestic or foreign, or any national securities exchange or national
quotation system on which equity securities issued by the Company or any of its Subsidiaries are listed or quoted. 
 “Independent
Director” means a Director of the Company who qualifies as an “independent director” of the Company under (a) (i) Rule 303A.02 under the NYSE Listed Company Manual, as such rule may be amended, supplemented or
replaced from time to time, or (ii) if the Company is not listed on the NYSE, any comparable rule or regulation of the primary securities exchange or quotation system on which the Shares are listed or quoted (whether by final rule or otherwise)
and (b) under Rule 10A-3 promulgated under the Exchange Act as such rule may be amended, supplemented or replaced from time to time. 

  
 - 3 - 

 “Jack” has the meaning set forth in the preamble to this Agreement. 

“Jack Designator” means Jack or any successor(s) to the role of Jack Designator appointed by the Jack Designator(s) stepping down from
such role; provided that any successor(s) to such role shall be subject to the approval of the Majority Directors, such approval not to be unreasonably withheld or conditioned, provided that no such approval shall be required for Mark Scudder or
Earl Scudder). If Jack dies or becomes incapacitated without appointing a Jack Designator then the individual(s) who are provided voting control over Jack’s shares in the Company under Jack’s estate plan will be entitled to appoint a Jack
Designator hereunder, subject to the approval of the Majority Directors, such approval not to be unreasonably withheld or conditioned. 

“Jack Spouse” has the meaning set forth in the preamble to this Agreement. 

“JVMFT” has the meaning set forth in the preamble to this Agreement. 

“Kevin Designator” means Kevin J. Knight or any successor to the role of Kevin Designator appointed by a Kevin Designator stepping down
from such role; provided that any successor to such role shall be subject to the approval of the Majority Directors, such approval not to be unreasonably withheld or conditioned. If a Kevin Designator steps down from such role, dies or becomes
incapacitated without appointing a successor to such role, the Majority Directors shall be entitled to appoint such successor. 

“Law” means any statute, law, ordinance, rule or regulation of any Governmental Entity. 

“Majority Directors” means a majority of the Directors of the Company (excluding the Stockholder Directors). 

“Meeting Number” means, with respect to any given meeting of stockholders of the Company, the then-applicable Stockholder Nominee
Number minus the number of Stockholder Directors with a term in office that extends beyond such meeting. 
 “Merger” has the meaning
set forth in the recitals to this Agreement. 
 “Merger Agreement” has the meaning set forth in the recitals to this Agreement. 

“Merger Sub” has the meaning set forth in the recitals to this Agreement. 

“New Share Agreements” has the meaning assigned to such term in Section 2.01(g). 

“Nominating Committee” means the Nominating and Governance Committee of the Board of Directors or such other comparable committee of
the Board of Directors. 
 “NYSE” means the New York Stock Exchange. 

  
 - 4 - 

 “Person” means any individual, corporation (including any
non-profit corporation), general partnership, limited partnership, limited liability partnership, joint venture, estate, trust, company (including any limited liability company or joint stock company), firm or
other enterprise, association, organization, entity or Governmental Entity. 
 “Qualified Designee” means an individual selected by
the Jack Designator and approved by the Board of Directors for election or appointment as a Director, such approval not to be unreasonably withheld or conditioned; provided that (a) in determining whether to grant such approval, the
Board of Directors may take into account, among other things, its views as to a selected individual’s ability to contribute to the Board of Directors, potential conflicts of interests such individual may have as a Director and the
recommendations and polices of proxy advisory firms and governance advisors and (b) as of the Effective Time, the Board may not fail to approve Jack as a Director in accordance with the foregoing. Notwithstanding anything herein to the
contrary, (i) an individual shall not be a Qualified Designee in the event that, after the election of such individual as a Director at the next applicable meeting or the appointment of such individual as a Director, as applicable, there would
be two (2) Stockholder Directors who do not qualify as Independent Directors, and (ii) no individual shall be a Qualified Designee unless such individual shall have agreed in writing that, if elected or appointed as a Director, he or she
will abide by all policies, guidelines and codes of conduct generally applicable to non-management Directors (subject to Section 2.01(g) hereof; provided that no such individual shall be required to comply
with any age limit or term limit policy, or any other policy adopted for the specific purpose of preventing such person from being a Qualified Designee) and will resign as a Director if required under Sections 2.01(d), 2.01(e) or 2.01(f). 

“Registration Rights Agreement” means that certain Registration Rights Agreement, dated December 21, 2010, by and among the
Company, Jack and the other parties thereto, as amended, modified or supplemented from time to time. 
 “Restricted Period” means any
period of time from and after the Effective Time during which the Stockholders Voting Percentage Interest is equal to or in excess of 5%. 

“Rook” has the meaning set forth in the recitals to this Agreement. 

“Sale Transaction” means any proposed merger, consolidation, tender offer, business combination or recapitalization as a result of
which the stockholders of the Company immediately prior to such transaction will hold immediately following such transaction less than a majority of the Voting Power of each of the Company, or if the Company is not the surviving parent corporation,
any surviving entity in such transaction and any direct or indirect parent company thereto. 
 “Scheduled Committee Meeting Date” has
the meaning assigned to such term in Section 2.01(b). 
 “SEC” means the Securities and Exchange Commission. 

“Securities Act” means the Securities Act of 1933 and the rules and regulations promulgated thereunder, as amended. 

  
 - 5 - 

 “Shares” means any outstanding shares of capital stock of the Company having the
right to vote generally in the election of Directors of the Company. 
 “Specified Entities” means Cactus Holding Company, LLC, an
Alaska limited liability company, Cactus Holding Company II, LLC, an Alaska limited liability company, Cactus Holding Company III, LLC, an Alaska limited liability company, M Capital Group Investors, LLC, a Delaware limited liability company, and M
Capital Group Investors II, LLC, a Delaware limited liability company. The Stockholders represent and warrant that the JVMFT, as sole manager of each Specified Entity, and Jack and Jack Spouse, as sole trustees of the JVMFT, hold the sole voting
power with respect to the Shares held of record by the Specified Entities. 
 “Stockholder” has the meaning set forth in the preamble
to this Agreement 
 “Stockholder Director” means a Director who was designated by the Jack Designator for election or appointment as
a Director. The parties agree that Jack (who shall be a Class III Director) and Glenn Brown (who shall be a Class I Director) shall be Directors as of the Effective Time (provided if any such individual is unwilling or unable to serve as a
Director of the Company or is not a Qualified Designee as of the Effective Time, such individual shall be replaced by a Qualified Designee designated by the Jack Designator, provided that such replacement is a Qualified Designee), and such Directors
shall constitute the initial Stockholder Directors. 
 “Stockholder Entity” means any (i) trust primarily for the benefit of one
or more Stockholders, and/or members of the Family of one or more Stockholders and (ii) any other entity in which one or more of the Stockholders, members of their respective Families or any trust described in the preceding clause
(i) separately or collectively hold, directly or indirectly, all of the outstanding equity interests. 
 “Stockholder Nominee
Number” means (x) from and after the Effective Time until such time at which the Stockholders Voting Percentage Interest first drops below 12.5%, two (2) and (y) from and after the occurrence of (x) until the Stockholders
Voting Percentage Interest first drops below 5%, one (1). 
 “Stockholders Percentage Interest” means, as of any date of
determination, the percentage of all outstanding Shares that is beneficially owned by the Stockholders and Specified Entities, in the aggregate, as of such date. Shares acquired in breach of the Support Agreement and any Shares held by children of
Jack who are not Stockholders hereunder as of the date hereof shall be excluded from any calculation of the Stockholders Percentage Interest. 

“Stockholders Voting Percentage Interest” means, as of any date of determination, the percentage of the outstanding Voting Power held
by the Stockholders and Specified Entities as of such date, in the aggregate. For purposes of determining whether and to what extent a Stockholder or Specified Entity is entitled to any right under this Agreement, Voting Power acquired by any of
them in breach of this Agreement or the Support Agreement and Voting Power held by children of Jack who are not Stockholders hereunder as of the date hereof shall be excluded from any calculation of the Stockholders Voting Percentage Interest
(unless and until Shares are Transferred to any such child of Jack by a Stockholder or a Specified Entity). 

  
 - 6 - 

 “Subsidiary” or “Subsidiaries” when used with respect to any party shall
mean any corporation or other organization (including a limited liability company or a partnership), whether incorporated or unincorporated, of which such party directly or indirectly owns or controls at least a majority of the securities or other
interests having by their terms ordinary voting power to elect a majority of the board of directors or others performing similar functions with respect to such corporation or other organization, or any organization of which such party is a general
partner or managing member. 
 “Support Agreement” means that that certain Support Agreement, dated as of the date hereof, by and
among Rook, Jack and the other parties thereto, as amended, modified or supplemented from time to time. 
 “Transfer” means, directly
or indirectly, to sell, transfer, assign, pledge, encumber, hypothecate or similarly dispose of (by operation of law or otherwise), either voluntarily or involuntarily, or to enter into any contract, option or other arrangement or understanding with
respect to the sale, transfer, assignment, pledge, encumbrance, hypothecation or similar disposition of (by operation of law or otherwise), any Shares or any interest in any Shares. For purposes of Article IV, the Transfer (including by way of
issuance, sale, disposition or any other means) of any shares of capital stock of, or other equity or beneficial interest in, any Stockholder or Specified Entity shall constitute a Transfer of Shares by such Stockholder. 

“Voting Committee” shall mean a committee consisting of one person designated by the Kevin Designator, who initially shall be Kevin P.
Knight, one person designated by the Gary Designator, who initially shall be Gary J. Knight, and one person designated by the Jack Designator, who initially shall be Jack. All voting and other decisions by the Voting Committee shall require the
approval of a majority of its members. 
 “Voting Power” means the ability to vote or to control, directly or indirectly, by proxy or
otherwise, the vote of any Shares at the time such determination is made (disregarding any limitations on voting discretion and voting requirements pursuant to Section 3.03); provided, however, that a Person will not be deemed to
have Voting Power as a result of an agreement, arrangement or understanding to vote such Shares if such agreement, arrangement or understanding (a) arises solely from a revocable proxy or consent given in response to a public proxy or consent
solicitation made pursuant to the applicable rules and regulations under the Exchange Act and (b) is not also then reportable by such Person on Schedule 13D under the Exchange Act (or any comparable or successor report). 

ARTICLE II 
 CORPORATE GOVERNANCE 

SECTION 2.01.    Stockholders Designees. 

(a)    Except as otherwise provided herein, in connection with each annual meeting of stockholders or other meeting or stockholders
at which directors are elected of the Company occurring during the Designation Period, (i) the Jack Designator shall have the right to designate for nomination by the Board of Directors for election as Director(s) at such meeting a

  
 - 7 - 

 
number of Qualified Designees, if any, equal to the Meeting Number applicable to such meeting, (ii) the Board of Directors shall include any Qualified Designee(s) designated in accordance
with clause (i) above in the slate of nominees nominated by the Board of Directors for election at such meeting and recommend that the Company’s stockholders vote in favor of the election of such Qualified Designee(s) at such meeting and
(iii) the Company shall solicit from its stockholders eligible to vote for the election of Directors proxies in favor of the election of such Qualified Designee(s) as Directors. 

(b)    In the event that the term as a Director of any Stockholder Director(s) will end at an upcoming meeting of stockholders of
the Company and the Meeting Number applicable to such upcoming meeting will exceed zero, the Company shall give the Jack Designator at least twenty (20) Business Days’ notice of the date scheduled for the meeting of the Nominating
Committee (such date, the “Scheduled Committee Meeting Date”) at which the Nominating Committee will approve the slate of nominees to be nominated by the Board for election as Directors at the upcoming meeting of stockholders. The
Jack Designator shall notify the Board of Directors in writing not later than the tenth (10th) Business Day (the “Designation Deadline”) prior to the Scheduled Committee Meeting Date of a number of Qualified Designees for such
upcoming meeting equal to no more than the Meeting Number applicable to such upcoming meeting. If the Jack Designator fails to provide such written notice to the Board of Directors prior to the Designation Deadline, then the Board of Directors may
deem the Jack Designator to have designated for re-election any Stockholder Director(s) whose term will end at the upcoming meeting if such Stockholder Director(s) is(are) a Qualified Designee(s). 

(c)    In the event that a Stockholder Director dies or resigns during his term as Director (for avoidance of doubt, other than a
resignation of such Stockholder Director in accordance with the Board’s resignation policy by reason of his or her failure to be elected or re-elected at a meeting and other than a resignation in
accordance with Section 2.01(d) below) and, after giving effect to such death or resignation, the number of Stockholder Directors then in office is less than the Stockholder Nominee Number then in effect, the Jack Designator shall be entitled to
designate a Qualified Designee for appointment by the Board to replace the Stockholder Director who died or resigned. The Board of Directors shall as promptly as practicable take all necessary action to appoint such replacement designee as a
Director and as a member of the same class as the Stockholder Director being replaced. 
 (d)    At any time that the number of
Stockholder Directors is greater than the Stockholder Nominee Number then in effect, such number of Stockholder Director(s) shall submit for the Board’s consideration his, her, or their resignation as a Director(s) as is necessary so that,
should the Board choose to accept such resignation(s), the number of Stockholder Directors then in office is no greater than the Stockholder Nominee Number then in effect. In the event that there are two (2) Stockholder Directors in office and
one is required to submit his or her resignation in accordance with the foregoing, the Jack Designator shall be entitled to select the Stockholder Director required to submit his or her resignation in accordance with the foregoing so long as such
election is made within five (5) Business Days after the event triggering the decrease in the Stockholder Nominee Number; if the Jack Designator fails to make such selection within such period, the Board shall be entitled to select the
Stockholder Director required to submit his or her resignation. At the end of the Designation Period, any Stockholder 

  
 - 8 - 

 
Directors then in office shall submit for the Board’s consideration his, her, or their resignations as Directors. 

(e)    If at any time there are two (2) Stockholder Directors and neither is an Independent Director, one (1) Stockholder
Director shall submit for the Board’s consideration his or her resignation as a Director. In such case, the Jack Designator shall be entitled to select the Stockholder Director required to submit his or her resignation in accordance with the
foregoing so long as such election is made within five (5) days after the Board provides the Jack Designator with written notice that neither Stockholder Director is an Independent Director. If the Jack Designator fails to make such selection
within such period, the Board shall be entitled to select the Stockholder Director required to submit his or her resignation for their consideration. 

(f)    In the event the Board of Directors determines in good faith, after considering the recommendations and polices of proxy
advisory firms and governance advisors, and consulting with the Jack Designator, that it is not in the best interest of the Company for any then-Stockholder Director to remain as a Director, such Director shall submit his or her resignation as a
Director and, unless otherwise determined by the Board of Directors, shall not thereafter be deemed a Qualified Designee. 

(g)    The Company agrees that, so long as Jack is a Director (or otherwise subject to any policy, guideline, or code of conduct
applicable to Directors), notwithstanding anything to the contrary contained in any policy, guideline or code of conduct applicable to the Directors, (i) the Shares identified on Annex A that are currently pledged
and/or hedged pursuant to the agreements identified on Annex A may continue to be pledged and/or hedged in accordance with the terms of such agreements (the “Existing Share Agreements”) and (ii) to the
extent necessary to continue, renew or replace any agreement identified on Annex A upon ten (10) Business Days’ prior written notice to the Company, the Stockholders and Specified Entities may hedge or pledge
additional Shares in accordance with the terms of such continuation, renewal or replacement agreement so long as the aggregate Shares covered by such continuation, renewal or replacements agreements (“New Share Agreements”) together
with all of the other agreements identified on Annex A do not exceed the number of Shares necessary to continue, replace or renew the agreements listed on Annex A as of the date hereof, including the payment of all
fees and expenses associated with such continuance, renewal or replacement. 
 SECTION 2.02.    Certain Post-Closing
Matters. 
 (a)    The Company agrees that after the Effective Time, to the extent not previously approved by the Board, the
Board will promptly take such actions as any Stockholder may reasonably request to waive any “corporate opportunity” or similar right or interest of the Company with respect to, and to waive any conflict of interest arising from, such
Stockholder’s relationship with CFL, including such Stockholder’s acquisition of an equity interest in CFL. 

(b)    The Company will use its reasonable best efforts to submit to the stockholders of the Company at the first annual meeting
after the Effective Time the Bylaw/Charter Proposals, the Board of Directors will recommend that the Company’s stockholders approve the Bylaw/Charter Proposals (subject to their fiduciary duties under

  
 - 9 - 

 
applicable law) and the Company shall solicit from its stockholders eligible to vote for such proposals proxies in favor of approving the Bylaw/Charter Proposals. 

SECTION 2.03.    Change in Law. In the event any Law comes into force or effect (including by amendment) which conflicts with
the terms and conditions of this Agreement, the parties shall negotiate in good faith to revise the Agreement to achieve the parties’ intentions set forth herein. 

ARTICLE III 
 LIMITATIONS ON PURCHASES OF 

EQUITY SECURITIES AND OTHER ACTIONS 
 SECTION
3.01.    Acquisition of Shares. Without the prior written consent of the Majority Directors, during the Restricted Period, each Stockholder shall not, and shall cause its controlled affiliates and the Specified Entities
and his, her or its or his, her or its controlled affiliates’ or the Specified Entities’ respective advisors, agents and representatives (in each case, acting on such Stockholder’s or any such affiliate’s or Specified
Entity’s behalf) not to, directly or indirectly (including by means of any derivative instrument, through one or more intermediaries or otherwise), acquire, agree to acquire, or make a proposal to acquire beneficial ownership of any Shares if,
after giving effect to such acquisition, the Stockholders Percentage Interest would exceed by more than two (2) percentage points the Stockholders Percentage Interest as of immediately after the Effective Time; provided that the foregoing shall
not prohibit the receipt by any Stockholder of a grant of Equity Securities issued to him or her by the Company in his or her capacity as an officer, director or employee of the Company. 

SECTION 3.02.     Additional Limitations. Without the prior written consent of the Majority Directors, during the Restricted
Period, each Stockholder shall not, and shall cause its controlled affiliates and the Specified Entities and his, her or its or his, her or its controlled affiliates’ and the Specified Entities’ respective advisors, agents and
representatives (in each case, acting on such Stockholder’s or any such affiliate’s or Specified Entity’s behalf): 

(a)    seek, make or take any action to solicit, initiate or knowingly encourage, any offer or proposal for, or any indication of
interest in, a merger, consolidation, tender or exchange offer, sale or purchase of assets or securities or other business combination or any dissolution, liquidation, restructuring, recapitalization or similar transaction in each case involving the
Company or any of its Subsidiaries or the acquisition of any equity interest in, or a substantial portion of the assets of the Company or any of its Subsidiaries (other than the acquisition of beneficial ownership of Shares permitted under
Section 3.01); 
 (b)    form or join or in any way participate in a Group with respect to any Shares (other than a
“group” composed solely of the Stockholders or any of the Specified Entities); 
 (c)    make, or direct any person to
make or in any way participate in (including announcing its intention to vote with any Person), or direct anyone to participate in, directly or indirectly, any “solicitation” of “proxies” to vote (as such terms are used in the
rules of the SEC) 

  
 - 10 - 

 
any Shares or to take shareholder action by written consent, except as expressly contemplated in Section 2.01; 

(d)    call or request the calling of a meeting of the Company’s stockholders, submit any proposal for action by the
stockholders of the Company, request the removal of any member of the Board of Directors or nominate candidates for election to the Board of Directors, except as expressly contemplated in Section 2.01; 

(e)    make a claim or otherwise commence litigation against the Company or any of its Subsidiaries or any of their respective
directors, officers or employees (provided that the foregoing shall not prohibit a Stockholder or any of its, his or her affiliates from making a claim or otherwise commencing litigation against the Company or any of its Subsidiaries to enforce
rights (i) under legally binding contracts it, him or her has entered with the Company or any of its Subsidiaries or (ii) relating to indemnification by the Company or any of its Subsidiaries pursuant to their articles of incorporation,
certificate of incorporation, bylaws, or similar governing document); 
 (f)    make any public statement that disparages the
Company or any of its Subsidiaries or any of their respective directors, officers, employees or businesses; 
 (g)    publicly
disclose any intention, plan or arrangement inconsistent with the foregoing or make any public statement or disclosure regarding any of the matters set forth in this Article III; or 

(h)    publicly request, propose or otherwise seek an amendment or waiver of the provisions of this Article III. 

SECTION 3.03.    Voting of Shares. 

(a)    At any meeting of the stockholders of the Company and in connection with any proposed action by the stockholders of the
Company, in each case where the record date therefor occurs during the Restricted Period, (i) each Stockholder shall, and shall cause the Specified Entities to, with respect to each such meeting of stockholders of the Company, attend in person
or by proxy with respect to all Shares over which such Stockholder, or any Specified Entity, has Voting Power for purposes of establishing a quorum, (ii) each Stockholder shall, and shall cause the Specified Entities to, vote or cause to be
voted, or otherwise act or cause an action to be taken with respect to, all such Stockholder’s Excess Shares, if any, in the manner determined by the Voting Committee, so long as the Voting Committee’s determination is communicated to such
Stockholder at least three (3) Business Days prior to the applicable meeting or the last day for the taking of the proposed action, and (iii) each Stockholder may vote or otherwise act or cause to be voted or for action to be taken with
respect to, all of such Stockholder’s Voting Power (other than the Voting Power represented by the Excess Shares) in such Stockholder’s discretion. If as of the record date with respect to any meeting of stockholders or other proposed
action by stockholders, the Stockholders Voting Percentage exceeds 12.5%, the “Excess Shares” of each Stockholder and Specified Entity shall be, with respect to such meeting or other proposed action, a number of Shares equal to the product
of (i) the number of Shares then beneficially owned by such Stockholder or Specified Entity, as 

  
 - 11 - 

 
applicable, and (ii) a fraction the numerator of which shall be the amount by which the Stockholders Voting Percentage exceeds 12.5% and the denominator of which shall be the Stockholders
Voting Percentage; if as of the record date with respect to any meeting of stockholders or other proposed action by stockholders, the Stockholders Voting Percentage is equal to or less than 12.5%, the “Excess Shares” shall be zero for all
Stockholders and Specified Entities. 
 (b)    Notwithstanding the foregoing, with respect to any vote taken for the approval or
adoption of any proposed Sale Transaction not resulting from a breach of Section 3.02, each Stockholder and Specified Entity may vote all Shares over which such Stockholder or Specified Entity holds Voting Power (including all Excess Shares) in
such Stockholder’s or Specified Entity’s discretion. 
 (c)    Each Stockholder hereby irrevocably appoints, and shall
cause each Specified Entity to appoint, the Company, its designees, and each of them individually, as such Stockholder’s or Specified Entity’s, as applicable, proxy and
attorney-in-fact, with full power of substitution and resubstitution, to vote or execute consents, with respect to the Excess Shares as of any applicable record date
during the Restricted Period, in each case solely to the extent and in the manner specified in this Section 3.03. This proxy is given to secure the performance of the duties of such Stockholder under this Agreement. Such Stockholder shall not,
and shall cause each Specified Entity not to, directly or indirectly grant any Person any proxy (revocable or irrevocable), power of attorney or other authorization with respect to any of such Stockholder’s or any Specified Entity’s Excess
Shares that is inconsistent with this Section 3.03, except to the extent permitted by the last sentence of Section 2.2 of the Support Agreement. The proxy and power of attorney granted pursuant to this Section 3.03 by each Stockholder
and Specified Entity shall be irrevocable during the Restricted Period (or, if a record date occurs during the Restricted Period, and the related vote or other action is not to occur until after the Restricted Period, shall be irrevocable on the day
after the applicable meeting of stockholders or the day after the last day for the taking of such action), shall be deemed to be coupled with an interest sufficient in law to support an irrevocable proxy and shall revoke any and all prior proxies
granted by such Stockholder or any Specified Entity with regard to such Stockholder’s or Specified Entity’s Excess Shares and such Stockholder acknowledges that the proxy constitutes an inducement for the Company to enter into this
Agreement. The power of attorney granted by each Stockholder and Specified Entity is a durable power of attorney and shall survive the bankruptcy, dissolution, death or incapacity of such Stockholder or Specified Entity. The proxy and power of
attorney granted hereunder shall terminate only upon the expiration of the Restricted Period (or, if a record date occurs during the Restricted Period, and the related vote or other action is not to occur until after the Restricted Period, such
proxy and power of attorney granted hereunder shall terminate on the day after the applicable meeting of stockholders or the day after the last day for the taking of such action). 

  
 - 12 - 

 ARTICLE IV 

TRANSFER OF SHARES 
 SECTION
4.01.    Limitation on Transfer of Shares. During the Restricted Period, any Transfer of Shares by any Stockholder or Specified Entity shall be subject to the following limitations: 

(a)    no Shares may be Transferred, to any Person or Group, if, after giving effect to such Transfer such Person or Group would, to
the knowledge of any Stockholder, beneficially own, or have the right to acquire, 7% or more of the Voting Power of the Company, unless such Transfer is to any Stockholder Entity or to a member of the Family of a Stockholder, but only if such
Stockholder Entity or Family member agrees to be bound by the terms of this Agreement as a Stockholder and execute a joinder reasonably satisfactory to the Company at the time of such Transfer; 

(b)    no Shares may be Transferred to any competitor of the Company or any of its Subsidiaries (as reasonably determined by the
Company); and 
 (c)    if such Transfer is an open market sale, such Transfer shall be made in accordance with the volume and
manner of sale restrictions under Paragraphs (e)(1) and (f) of Rule 144 under the Securities Act (regardless of whether the volume and manner of sale restrictions therein are otherwise applicable); 

provided, however, that the restrictions in this Section 4.01(a) shall not apply to (i) sales pursuant to a widely disbursed public offering of
Shares registered under the Securities Act in accordance with the Registration Rights Agreement, (ii) any Transfers of Shares pursuant to an offer or transaction approved or recommended by the Majority Directors or (iii) any pledge or
hedging transaction entered into in accordance with Section 2.01(g) or any foreclosure or settlement pursuant to the terms of an Existing Share Agreement or New Share Agreement existing or entered into in accordance with Section 2.01(g). 

SECTION 4.02.    Notice. During the Restricted Period, each Stockholder shall notify the Company in writing of any
disposition or acquisition of Equity Securities by such Stockholder or any Specified Entity within two (2) Business Days after such disposition or acquisition. The filing by a Stockholder or a Specified Entity of a Form 4 disclosing such
disposition or acquisition within such two (2) Business Day period shall be deemed to satisfy such Stockholder’s notice obligation under this Section 4.02. 

SECTION 4.03.    Improper Transfers. Any attempted Transfer in violation of this Agreement shall be of no effect and null and
void, shall confer no rights or privileges in or with respect to the Company to the purported transferee, regardless of whether the purported transferee has any actual or constructive knowledge of the Transfer restrictions set forth in this
Agreement, and shall not be recorded on the stock transfer books of the Company. 

  
 - 13 - 

 ARTICLE V 

MISCELLANEOUS 
 SECTION
5.01.    Notices. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly delivered and received hereunder (a) four business days after being sent by registered or
certified mail, return receipt requested, postage prepaid, (b) one business day after being sent for next business day delivery, fees prepaid, via a reputable nationwide overnight courier service, or (c) immediately upon delivery by hand
or by facsimile (with a written or electronic confirmation of delivery), if sent during normal business hours of the recipient, or if not sent during normal business hours of the recipient, then on the recipient’s next business day, in each
case to the intended recipient as set forth below: 
  

	 	(a)	if to any of the Stockholders, to: 

 Jerry Moyes 

2710 E Old Tower Rd. 
 Phoenix, AZ 85034 

Fax: (602) 275-6417 

Phone: (602) 875-5351 

Attention: Vicki Plein 
 with a copy to: 

Scudder Law Firm, P.C., L.L.O. 
 411 S. 13th St., Suite 200 
 Lincoln, NE 68508 

Fax: (402) 435-4239 

Phone: (402) 435-3223 

Attention: Earl Scudder; Mark Scudder 
  

	 	(b)	if to the Company, to: 

 Swift Transportation Company 

2200 S. 75th Avenue 
 Phoenix, Arizona 85043 

Attention: General Counsel 
 Facsimile: (623) 907-7464 
 with a copy to: 

Knight Transportation, Inc. 
 20002 North 19th
Avenue 
 Phoenix, Arizona 85027 
 Fax: (480) 425-3998 
 Attention: General Counsel 

  
 - 14 - 

 with a copy to: 

Fried, Frank, Harris, Shriver & Jacobson, LLP 

One New York Plaza 
 New York, New York 10004 

Fax: (212) 859-4000 

Attention: Philip Richter 
 with a copy to:

 Kirkland & Ellis LLP 
 601 Lexington
Avenue 
 New York, New York 10022 
 Attention:
Daniel E. Wolf 
     Michael P. Brueck 

    Claire E. James 

Facsimile: (212) 446-4900 

SECTION 5.02.    Expenses. All costs and expenses incurred in connection with this Agreement shall be paid by the party
incurring such cost or expense unless otherwise provided herein. 
 SECTION 5.03.    Amendments; Waivers. 

(a)    No provision of this Agreement may be amended or waived unless such amendment or waiver is in writing and signed, (i) in
the case of an amendment, by the Company and approved by the Majority Directors and the Jack Designator, and (ii) in the case of a waiver against the Company, by the Company and approved by the Majority Directors, or in the case of a waiver
against any of the Stockholders, by the Jack Designator. For the avoidance of doubt, any such action taken by the Jack Designator shall be deemed binding on all of the Stockholders and the Specified Entities for purposes of determining whether a
breach has occurred hereunder. Notwithstanding anything in this Agreement to the contrary, until the Effective Time, this Agreement may not be amended, supplemented, restated, modified, waived or terminated (and the Company may not agree to any of
the foregoing) without the prior written consent of Rook (it being expressly agreed that Rook shall be a third party beneficiary of this Section 5.03). 

(b)    Except as provided in this Agreement, no action taken pursuant to this Agreement, including, without limitation, any
investigation by or on behalf of any party, or delay or omission in the exercise of any right, power or remedy accruing to any party as a result of any breach or default hereunder by any other party shall be deemed to constitute a waiver by the
party taking such action of compliance with any representations, warranties, covenants or agreements contained in this Agreement. The waiver by any party hereto of a breach of any provision hereunder shall not operate or be construed as a waiver of
any prior or subsequent breach of the same or any other provision hereunder. 

  
 - 15 - 

 SECTION 5.04.    Interpretation. When a reference is made in this Agreement to a
Section, Subsection or Annex, such reference shall be to a Section or Subsection of, or an Annex to, this Agreement unless otherwise indicated. The headings contained in this Agreement are for reference purposes only and shall not affect in any way
the meaning or interpretation of this Agreement. Whenever the words “include”, “includes” or “including” are used in this Agreement, they shall be deemed to be followed by the words “without limitation”. The
words “hereof”, “herein” and “hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement. The words “date
hereof” shall refer to the date of this Agreement. The term “or” is not exclusive. The word “extent” in the phrase “to the extent” shall mean the degree to which a subject or other thing extends, and such phrase
shall not mean simply “if”. The definitions contained in this Agreement are applicable to the singular as well as the plural forms of such terms. Any agreement or instrument defined or referred to herein or in any agreement or instrument
that is referred to herein means such agreement or instrument as from time to time amended, modified or supplemented. The original parties hereto have participated jointly in the negotiation and drafting of this Agreement and, in the event an
ambiguity or question of intent or interpretation arises, this Agreement shall be construed as jointly drafted by the parties hereto and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship of
any provision of this Agreement. The parties each hereby acknowledge that this Agreement reflects an agreement between sophisticated parties derived from arm’s-length negotiations. Further, prior drafts
of this Agreement or any ancillary agreements hereto or the fact that any clauses have been added, deleted or otherwise modified from any prior drafts of this Agreement or any ancillary agreements hereto shall not be used as an aide of construction
or otherwise constitute evidence of the intent of the parties hereto; and no presumption or burden of proof shall arise favoring or disfavoring any party hereto by virtue of such prior drafts. 

SECTION 5.05.    Severability. If any provision of this Agreement is invalid, illegal or unenforceable, that provision will,
to the extent possible, be modified in such a manner as to be valid, legal and enforceable but so as to retain most nearly the intent of the parties as expressed herein, and if such a modification is not possible, that provision will be severed from
this Agreement, and in either case the validity, legality and enforceability of the remaining provisions of this Agreement will not in any way be affected or impaired thereby. If any provision of this Agreement is so broad as to be unenforceable,
the provision shall be interpreted to be only as broad as is enforceable. 
 SECTION 5.06.    Counterparts. This Agreement
may be executed by the parties hereto in separate counterparts, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute one and the same instrument. Each counterpart may consist of a
number of copies hereof each signed by less than all, but together signed by all of the parties hereto. 
 SECTION
5.07.    Entire Agreement; No Third-Party Beneficiaries; Several Obligations. This Agreement, and (to the extent referenced herein) the Merger Agreement and the Registration Rights Agreement, constitutes the entire
agreement, and supersede all prior agreements and understandings, both written and oral, among the parties with respect to the subject matter hereof and thereof and, except as provided in Section 5.03, this Agreement is not 

  
 - 16 - 

 
intended to confer upon any Person, other than the parties hereto any rights, remedies, obligations or liabilities under or by reason of this Agreement. 

SECTION 5.08.    Governing Law. This Agreement and the rights and obligations of the parties hereto shall be governed by and
construed in accordance with the Laws of the State of Delaware. The parties hereby irrevocably and unconditionally consents to submit to the exclusive jurisdiction of the Court of Chancery of the State of Delaware and of the federal court of United
States of America, in each case located in Wilmington, Delaware (the “Delaware Courts”) for any litigation arising out of or relating to this Agreement and the transactions contemplated hereby (and agrees not to commence any
litigation relating thereto except in such courts), waives any objection to the laying of venue of any such litigation in the Delaware Courts and agrees not to plead or claim in any Delaware Court that such litigation brought therein has been
brought in an inconvenient forum. EACH PARTY TO THIS AGREEMENT IRREVOCABLY WAIVES THE RIGHT TO A TRIAL BY JURY IN CONNECTION WITH ANY MATTER ARISING OUT OF THIS AGREEMENT and, to the fullest extent permitted by Applicable Law, any defense or
objection it may now or hereafter have to the laying of venue of any proceeding under this Agreement brought in the Delaware Courts and any claim that any proceeding under this Agreement brought in any such court has been brought in an inconvenient
forum. 
 SECTION 5.09.    Assignment. Neither this Agreement nor any of the rights, interests or obligations under this
Agreement shall be assigned, in whole or in part, by operation of law or otherwise, by any of the parties without the prior written consent of the other parties hereto and the Majority Directors. Any purported assignment without such prior
written consent shall be void. Subject to the preceding sentences, this Agreement will be binding upon, inure to the benefit of, and be enforceable by, the parties and their respective successors and assigns. 

SECTION 5.10.    Enforcement; Information. The parties agree that irreparable damage would occur in the event that any of the
provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties will be entitled to an injunction or injunctions to prevent breaches of this Agreement and
to enforce specifically the terms and provisions of this Agreement, without the necessity of proving the inadequacy of money damages as a remedy, this being in addition to any other remedy to which they are entitled at Law or in equity. Each
Stockholder shall provide the Company with such information regarding the direct or indirect ownership of Shares and holding of Voting Power by such Stockholder, members of such Stockholder’s Family and their respective affiliates and any
agreements (including hedging, pledge or derivative transaction agreements) relating to any Shares or Voting Power to which any of them may be a party, in each case as may be requested from time to time by the Company. 

SECTION 5.11.    Effectiveness; Termination. This Agreement shall become effective as of the Effective Time. In the event
that the Merger Agreement shall be terminated in accordance with its terms prior to the Effective Time, this Agreement shall thereupon terminate. 

SECTION 5.12.    Confidentiality. 

  
 - 17 - 

 (a)    Each Stockholder agrees to maintain, and shall cause each of its controlled
affiliates, directors, officers, employees and other representatives (including any Director) to maintain, the confidentiality of all non-public information obtained by such Stockholder from the Company or any
of its Subsidiaries or their respective directors, officers, employees or agents, and not to use such information for any purpose other than (i) the evaluation and protection of the investment by the Stockholders in the Company, (ii) the
exercise by the Stockholders of any of their respective rights under this Agreement and (iii) the exercise by the Directors of their fiduciary duties as Directors of the Company. 

(b)    Notwithstanding the foregoing, the confidentiality obligations of Section 5.12(a) will not apply to information obtained
other than in violation of this Agreement: 
 (i)    which such Stockholder or any of its officers, employees,
representatives, consultants or advisors is required to disclose by judicial or administrative process, or by other requirements of applicable Law (including any applicable rule, regulation or order of a self-governing authority, such as the NYSE);
provided, however, that, where and to the extent practicable and legally permissible, the disclosing party (A) gives the other party reasonable notice of any such requirement and, to the extent protective measures consistent with
such requirement are available, the opportunity to seek appropriate protective measures and (B) cooperates with such party in attempting to obtain such protective measures; 

(ii)    which becomes available to the public other than as a result of a breach of Section 5.12(a); 

(iii)    which is already in such Stockholder’s possession prior to disclosure by the Company, provided that, to
such Stockholder’s knowledge, such information is not subject to another confidentiality agreement or other obligation of secrecy to the Company; 

(iv)    which has been, is or becomes independently developed by such Stockholder or on its behalf without a breach
of Section 5.12(a); or 
 (v)    which has been provided on a
non-confidential basis to such Stockholder or any of its officers, employees, representatives, consultants or advisors by a third party who obtained such information other than from any such Person or other
than as a result of a breach of Section 5.12(a); provided that, to such Stockholder’s knowledge, such other source is not bound by a confidentiality obligation to the Company. 

SECTION 5.13.    Representations and Warranties. The Company represents and warrants to the Stockholders, and each of the
Stockholders represents and warrants to the Company, that as of the date of this Agreement: 
 (a)    it has all requisite
corporate or limited liability company power and authority to execute and deliver this Agreement and to perform its obligations under this Agreement and to consummate the transactions contemplated by this Agreement; 

  
 - 18 - 

 (b)    the execution and delivery by it of this Agreement and the consummation by it of
the transactions contemplated by this Agreement have been duly authorized by all necessary corporate or limited liability company action on its part; and 

(c)    this Agreement has been duly executed and delivered by it, and (assuming the due authorization, execution and delivery by
each of the other parties to this Agreement) constitutes a legal, valid and binding obligation, enforceable against it in accordance with its terms, subject, as to enforceability, to bankruptcy, insolvency and other Laws of general applicability
relating to or affecting creditors’ rights and to general equity principles. 
 SECTION 5.14.    Acknowledgment of
Securities Laws. Each Stockholder hereby acknowledges that it is aware, and that it will advise its representatives who are informed as to the material non-public information that is the subject of
Section 5.12, that the United States securities Laws prohibit any Person who has received from an issuer material, non-public information from purchasing or selling securities of such issuer or from
communication of such information to any other Person under circumstances in which it is reasonably foreseeable that such Person is likely to purchase or sell such securities. 

SECTION 5.15.    Specified Entities. Each Stockholder shall use its reasonable best efforts to obtain such approvals as
necessary to allow each Specified Entity to be bound by this Agreement as a Stockholder, and upon obtaining any such approval shall cause the applicable Specified Entity to agree to be bound by the terms hereof as a Stockholder. 

[Signature page follows] 

  
 - 19 - 

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

  

					
	SWIFT TRANSPORTATION COMPANY
		
	By:	 	 /s/ Virginia Henkels

		 	Name:	 	Virginia Henkels
		 	Title:	 	Executive Vice President, Chief Financial Officer and Treasurer
	
	 /s/ Jerry Moyes

	JERRY MOYES
	
	 /s/ Vickie Moyes

	VICKIE MOYES
	
	JERRY AND VICKIE MOYES FAMILY TRUST DATED 12/11/87
		
	By:	 	 /s/ Jerry Moyes

		 	Name:	 	Jerry Moyes
		 	Title:	 	Co-Trustee
		
	By:	 	 /s/ Vickie Moyes

		 	Name:	 	Vickie Moyes
		 	Title:	 	Co-Trustee
	
	 /s/ Michael Moyes

	MICHAEL MOYES
	
	 /s/ Lyndee Moyes Nester

	LYNDEE MOYES NESTER

  
 [Stockholders Agreement Signature
Page] 

 ANNEX A 

Existing Share Agreements 
  

													
	 Record Owner
	 	Number of Shares
of Company
Common Stock
Pledged	 	 	Number of
Shares of
Company Class
B Common Stock
Pledged	 	  	 Nature of

Hedging/Pledging
 Arrangements
	  	 Counterparties and

Dates1

	 Cactus Holding Company, LLC
	 	 	—  	 	 	 	3,300,000	 	  	 Variable Prepaid Forward Contract
  
	  	 Citigroup Global Markets Inc.
 November 18, 2016

 

	 	 	1,951,006	 	 	 	5,054,978	 	  	Variable Prepaid Forward Contract	  	 Citigroup Global Markets Inc.
 November 18, 2016

					
	 Cactus Holding Company II, LLC
	 	 	6,761,400	 	 	 	—  	 	  	Sale and Repurchase Agreement2	  	 Citigroup Global Markets Limited, represented by Citigroup Global Markets Inc. as its agent

May 30, 2014
  

	 	 	636,860	 	 	 	1,863,140	 	  	Loan	  	 Morgan Stanley Private Bank, National Association
 July 20,
2016
  

	 	 	1,250,000	 	 	 	—  	 	  	Loan	  	 First Western Bank
 January 13, 2017

 

	 	 	—  	 	 	 	380,112	 	  	Loan	  	 MidFirst Bank
 April 29, 2016

					
	 M Capital Group Investors II, LLC
	 	 	—  	 	 	 	13,700,000	 	  	 Variable Prepaid Forward Contract
  
	  	 Citibank, N.A.
 November 18, 2016

 

	 	 	—  	 	 	 	12,294,016	 	  	Variable Prepaid Forward Contract	  	 Citigroup Global Markets Inc.
 November 18, 2016

					
	 Michael Moyes
	 	 	—  	 	 	 	500,000	 	  	Settlement Agreement	  	 National Hockey League
 April 20, 2016

					
	 Lyndee Moyes Nester
	 	 	—  	 	 	 	500,000	 	  	Settlement Agreement	  	 National Hockey League
 April 20, 2016

					
	 Marti Lyn Moyes
	 	 	—  	 	 	 	500,000	 	  	Settlement Agreement	  	 National Hockey League
 April 20, 2016

					
	 Todd Moyes
	 	 	—  	 	 	 	500,000	 	  	Settlement Agreement	  	 National Hockey League
 April 20, 2016

  

	1 	Dates for Variable Prepaid Forward Contracts represent the dates of the most recent Amended and Restated Supplemental Confirmations governing such contracts. Date for First Western loan is the date of the Amended and
Restated loan documents. Dates for other agreements refer to the date of the original agreement and do not include amendment dates, if applicable. 

	2 	Shares underlying this arrangement are not “pledged” but have been sold subject to repurchase.

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