Document:

EX-10.5

 Exhibit 10.5 

[FORM OF] 
 SALE SITE
MASTER LEASE AGREEMENT 
 BY AND AMONG 

[AT&T COLLOCATOR], 

AT&T MOBILITY LLC 

AND 
 [SALE SITE
SUBSIDIARIES] 
 DATED AS OF [            ], 2013 

 Table of Contents 

 

							
	 	 	 	  	Page	 
			
	 SECTION 1.
	 	 Definitions
	  	 	1	  
	 SECTION 2.
	 	 Grant; Documents; Operating Principles; Conversion of MPL Sites
	  	 	14	  
	 SECTION 3.
	 	 Term and Termination Rights
	  	 	17	  
	 SECTION 4.
	 	 Rent
	  	 	19	  
	 SECTION 5.
	 	 Ground Leases
	  	 	20	  
	 SECTION 6.
	 	 Condition of the Sites
	  	 	21	  
	 SECTION 7.
	 	 Tower Operator Modifications
	  	 	24	  
	 SECTION 8.
	 	 AT&T Collocator’s and Tower Operator’s Obligations With Respect to Tower Tenants; Interference
	  	 	25	  
	 SECTION 9.
	 	 AT&T Collocation Space
	  	 	26	  
	 SECTION 10.
	 	 Right of Substitution
	  	 	34	  
	 SECTION 11.
	 	 Additional Ground Space; Required Consents
	  	 	35	  
	 SECTION 12.
	 	 Limitations on Liens
	  	 	36	  
	 SECTION 13.
	 	 Tower Operator Indemnity; AT&T Collocator Indemnity; Procedure For All Indemnity Claims
	  	 	37	  
	 SECTION 14.
	 	 Waiver of Subrogation; Insurance
	  	 	40	  
	 SECTION 15.
	 	 Estoppel Certificate
	  	 	42	  
	 SECTION 16.
	 	 Assignment and Transfer Rights
	  	 	43	  
	 SECTION 17.
	 	 Environmental Covenants
	  	 	46	  
	 SECTION 18.
	 	 Taxes; Fees
	  	 	47	  
	 SECTION 19.
	 	 Use of Easements and Utilities
	  	 	47	  
	 SECTION 20.
	 	 Compliance with Law; Governmental Permits
	  	 	49	  
	 SECTION 21.
	 	 Compliance with Specific FCC Regulations
	  	 	50	  
	 SECTION 22.
	 	 Holding Over
	  	 	52	  
	 SECTION 23.
	 	 Rights of Entry and Inspection
	  	 	52	  
	 SECTION 24.
	 	 Right to Act for Tower Operator
	  	 	52	  
	 SECTION 25.
	 	 Defaults and Remedies
	  	 	53	  
	 SECTION 26.
	 	 Quiet Enjoyment
	  	 	58	  
	 SECTION 27.
	 	 No Merger
	  	 	58	  
	 SECTION 28.
	 	 Broker and Commission
	  	 	58	  
	 SECTION 29.
	 	 Recording of Memorandum of Site Lease Agreement; Bifurcation of Site
	  	 	58	  
	 SECTION 30.
	 	 Damage to the Site, Tower or the Improvements
	  	 	59	  
	 SECTION 31.
	 	 Condemnation
	  	 	60	  
	 SECTION 32.
	 	 General Provisions
	  	 	61	  
	 SECTION 33.
	 	 AT&T Guarantor Guarantee
	  	 	65	  
	 SECTION 34.
	 	 AT&T Parent Affiliate License
	  	 	67	  

  
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	 Exhibit A
	  	 List of Sites1

	 Exhibit B
	  	 List of Assignable Sites2

	 Exhibit C
	  	 Form of Site Lease Agreement

	 Exhibit D
	  	 Form of Memorandum of Site Lease Agreement

	 Exhibit E
	  	 Hypothetical Equipment Configuration

	 Exhibit F
	  	 Form of Agreement and Consent

	 Exhibit G
	  	 Reserved

	 Exhibit H
	  	 Additional Equipment and Additional Ground Space Pricing Schedule

	 Exhibit I
	  	 Certain AT&T Collocator Competitors

	 Exhibit J
	  	 Authorized Representatives

	 Exhibit K
	  	 Mobile Telephone Switching Offices and Other Permanent Structures

  

	1 	 At the Effective Date, Exhibit A shall include all “Sale Sites” under and as defined in the Master Agreement as of the Initial Closing
under the Master Agreement. 

	2 	 At the Effective Date, Exhibit B shall include all “Sale Sites” that are “Assignable Sites”, in each case under and as defined
in the Master Agreement as of the Initial Closing under the Master Agreement. 

  
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 SALE SITE MASTER LEASE AGREEMENT 

This SALE SITE MASTER LEASE AGREEMENT (this “Agreement”) is entered into this
[    ] day of [            ], 2013 (the “Effective Date”), by and among
[[                    ], a
[                                         
           ]], each as Tower Operator, AT&T MOBILITY LLC, a Delaware limited liability company, as AT&T Guarantor, and AT&T Collocator (as defined below). AT&T Collocator,
AT&T Guarantor and Tower Operator are sometimes individually referred to in this Agreement as a “Party” and collectively as the “Parties”. 

RECITALS: 
 A.
Certain Affiliates of AT&T Guarantor operate the Sites, which include Towers and related equipment and such Affiliates either own, ground lease or otherwise have an interest in the land on which such Towers are located; 

B. Pursuant to a sales transaction (the “Sales Transaction”), AT&T Guarantor and certain of its
Affiliates have contributed, conveyed, assigned, transferred and delivered to Tower Operator their respective interests in the Sites or their right to operate the Sites and have sold, conveyed, assigned, transferred and delivered to Crown Castle
International Corp. all membership interests in Tower Operator; 
 C. Tower Operator desires to lease or give AT&T
Collocator the right to use and operate on a portion of each of the Sites pursuant to the terms and conditions of this Agreement; and 

D. AT&T Collocator operates a significant portion of its wireless network through equipment located at the Sites and would
not have entered into the Sales Transaction if Tower Operator had not agreed to the terms and conditions set forth herein. 

NOW, THEREFORE, the Parties agree as follows: 

SECTION 1. Definitions. 

(a) Certain Defined Terms. In addition to the terms defined elsewhere in this Agreement, the following terms shall have
the following respective meanings when used herein with initial capital letters: 
 “Affiliate” (and, with
a correlative meaning, “Affiliated”) means, with respect to any Person, any other Person that directly, or indirectly through one or more intermediaries, controls, is controlled by, or is under common control with, such Person. As
used in this definition, “control” means the beneficial ownership (as such term is defined in Rules 13d-3 and 13d-5 of the Securities Exchange Act of 1934, as amended) of 50% or more of the voting interests of the Person. 

“Agreement” has the meaning set forth in the preamble and includes all subsequent modifications and
amendments hereof. References to this Agreement in respect of a 

  
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particular Site shall include the Site Lease Agreement therefor; and references to this Agreement in general and as applied to all Sites shall include all Site Lease Agreements. 

“Assignable Site” means the (i) Initial Assignable Sites and (ii) any Non-Assignable Site subject
to this Agreement which is converted to an Assignable Site pursuant to a Subsequent Closing. 
 “Assumption
Requirements” means, with respect to any assignment by Tower Operator or AT&T Collocator of this Agreement (the “assigning party”), that (i) the applicable assignee has creditworthiness, or a guarantor with
creditworthiness, reasonably sufficient to perform the obligations of the assigning party under this Agreement or that the assigning party remains liable for such obligations notwithstanding such assignment and (ii) the assignee assumes and
agrees to perform all of the obligations of the assigning party hereunder. 
 “AT&T” means AT&T
Parent and Affiliates thereof that are parties to the Master Agreement. 
 “AT&T Collocator” means,
with respect to each Site, the Person identified as the “AT&T Collocator” opposite such Site on Exhibit A and, if applicable, Exhibit B hereto, and which shall be the “Lessee” under the Site Lease Agreement for such Site, in
each case together with its permitted successors and assignees hereunder, to the extent the same are permitted to succeed to AT&T Collocator’s rights hereunder. 

“AT&T Collocator Competitor” means any Person principally in the business of providing wireline local
exchange carrier or wireless services (including, without limitation, each of the Persons listed under the heading “AT&T Collocator Competitors” on Exhibit I), and any of such Person’s Affiliates. 

“AT&T Communications Equipment” means any Communications Equipment at a Site owned or leased and used
exclusively (subject to Section 9(b)) by one or more of AT&T Collocator and any Wholly Owned Affiliate. 

“AT&T Ground Lease Party” means each AT&T Group Member that, at any applicable time during the Term
of this Agreement, has not yet contributed its right, title and interest in the Included Property of a Non-Assignable Site to the Tower Operator pursuant to the Master Agreement. 

“AT&T Group” means, collectively, AT&T Parent and its Affiliates (including each AT&T Ground
Lease Party and AT&T Collocator whose names are set forth in the signature pages of this Agreement or any Site Lease Agreement or the Master Agreement and any Affiliate of AT&T Parent that at any time becomes a “lessee” or
“sublessee” under this Agreement in accordance with the provisions of this Agreement). 
 “AT&T Group
Member” means each member of the AT&T Group. 
 “AT&T Guarantor” means AT&T Mobility
LLC, a Delaware limited liability company, and its permitted successors and assigns (to the extent permitted or required hereunder). 

  
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 “AT&T Improvements” means any Improvements located at a Site
that support, shelter, protect, enclose or provide power or back-up power to AT&T Communications Equipment (other than a Tower), but excluding any Modification added by Tower Operator in accordance with Section 7. All utility connections
that provide service to AT&T Communications Equipment, including those providing access and backhaul services, and all Improvements or other assets used in connection with any switching or wireline business of any AT&T Group Member
(including any mobile telephone switching office and the switching and related equipment located at a Site), or any other Improvements owned by AT&T Collocator or any Wholly Owned Affiliate and not used in connection with the Collocation
Operations, shall be deemed AT&T Improvements. 
 “AT&T Indemnitee” means each AT&T Ground
Lease Party, AT&T Collocator and their respective Affiliates, directors, officers, employees, agents and representatives (except Tower Operator and its Affiliates and any agents of Tower Operator or its Affiliates). 

“AT&T Parent” means AT&T Inc., a Delaware corporation. 

“AT&T Primary Collocator” means New Cingular Wireless PCS, LLC, a Delaware limited liability company.

 “AT&T Primary Tower Space RAD Center” means, in respect of each Tower, the RAD center on such Tower
with the largest portion of the AT&T Communications Equipment attached, which RAD center shall be identified in the applicable Site Lease Agreement for each Site. 

“Authorized Representative” means any of the individuals listed on Exhibit J, together with their successors
holding equivalent corporate titles. 
 “Available Space” means, as to any Site, the portion of the Tower
and Land not constituting AT&T Collocation Space that is available for lease to or collocation by any Tower Tenant and all rights appurtenant to such portion, space or area. 

“Award” means any amounts paid, recovered or recoverable as damages, compensation or proceeds by reason of
any Taking, including all amounts paid pursuant to any agreement with any Person which was made in settlement or under threat of any such Taking, less the reasonable costs and expenses incurred in collecting such amounts. 

“Bankruptcy Code” means Title 11 of the United States Code as amended from time to time, including any
successor legislation thereto. 
 “Bankruptcy Event” means, as to any Person, the filing of any voluntary
petition under federal or state bankruptcy or insolvency laws on behalf of such Person; the filing of any involuntary petition under federal or state bankruptcy or insolvency laws against such Person and the failure of such Person to promptly obtain
dismissal of that filing or the continuation of the resulting proceeding for sixty (60) days or more, or any consent of such Person to such proceeding; the filing of any petition seeking, or consenting to, reorganization or relief under any
applicable federal or state law relating to bankruptcy or insolvency of such Person; the appointment of a receiver, liquidator, assignee, trustee, sequestrator (or other similar official) of 

  
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such Person or a substantial part of such Person or its property; the making of any assignment for the benefit of creditors of such Person; the admission in writing of such Person’s
inability to pay its debts generally as they become due; or the taking of any action in furtherance of any of the foregoing actions. 

“Business Day” means any day other than a Saturday, a Sunday, a federal holiday or any other day on which
banks in New York City are authorized or obligated by Law to close. 
 “Cables” means co-axial cabling,
electrical power cabling, ethernet cabling, fiber-optic cabling or any other cabling or wiring necessary for operating Communications Equipment together with any associated conduit piping necessary to encase or protect any such cabling. 

“Claims” means any claims, demands, assessments, actions, suits, damages, obligations, fines, penalties,
liabilities, losses, adjustments, costs and expenses (including reasonable fees and expenses of attorneys and other appropriate professional advisers). 

“Collocation Agreement” means an agreement between an AT&T Group Member (prior to the Effective Date) or
Tower Operator (on or after the Effective Date), on the one hand, and a third party (provided that if such agreement is with an AT&T Group Member, such third party is not an Affiliate of such AT&T Group Member on the Effective Date),
on the other hand, pursuant to which such AT&T Group Member or Tower Operator, as applicable, rents or licenses to such third party space at any Site (including space on a Tower), including all amendments, modifications, supplements, assignments
and guaranties related thereto (it being understood that in the case of a master collocation agreement, the Collocation Agreement shall be the applicable site lease agreement (including any rights, interests and provisions incorporated therein)).
For clarity, utility and power-sharing agreements between an AT&T Group Member and a third party are not Collocation Agreements. 

“Communications Equipment” means, as to any Site, all equipment installed at (i) the AT&T
Collocation Space by or with respect to any AT&T Collocator or any Wholly Owned Affiliate and (ii) any other portion of the Site with respect to a Tower Tenant, for the provision of current or future communication services, including voice,
video, internet and other data services, which shall include switches, antennas, including microwave antennas, panels, conduits, flexible transmission lines, Cables, radios, amplifiers, filters, interconnect transmission equipment and all associated
software and hardware, and will include any modifications, replacements and upgrades to such equipment. 

“Communications Facility” means, as to any Site, (i) the AT&T Collocation Space, together with all
AT&T Communications Equipment and AT&T Improvements at such Site (with respect to AT&T Collocator) or (ii) any other portion of the Site leased to or used or occupied by a Tower Tenant, together with all of such Tower Tenant
Communications Equipment and such Tower Tenant Improvements at such Site (with respect to such Tower Tenant). 

“Emergency” means any event that causes, has caused or is reasonably likely to imminently cause (i) any
bodily injury, personal injury or material property damage, (ii) the suspension, revocation, termination or any other material adverse effect as to any Governmental 

  
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Approvals reasonably necessary for the use or operation of Communications Equipment or a Site, (iii) any material adverse effect on the ability of AT&T Collocator, or any Tower Tenant,
to operate Communications Equipment at any Site, (iv) any failure of any Site to comply in any material respect with applicable FCC or FAA regulations or other licensing requirements or (v) the termination of a Ground Lease. 

“Environmental Law” or “Environmental Laws” means any federal, state or local statute, Law,
ordinance, code, rule, regulation, order or decree regulating, relating to or imposing liability or standards of conduct concerning protection of the environment or public or workplace health and safety as may now or at any time hereafter be in
effect, including the following, as the same may be amended or replaced from time to time, and all regulations promulgated under or in connection therewith: the Superfund Amendments and Reauthorization Act of 1986; the Comprehensive Environmental
Response, Compensation, and Liability Act of 1980; the Clean Air Act; the Clean Water Act; the Toxic Substances Control Act of 1976; the Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act; the Hazardous Materials
Transportation Act; and the Occupational Safety and Health Act of 1970. 
 “Excluded Equipment” means
(i) any AT&T Communications Equipment or AT&T Improvements and (ii) any Tower Tenant Communications Equipment or Tower Tenant Improvements. 

“FAA” means the United States Federal Aviation Administration or any successor federal Governmental Authority
performing a similar function. 
 “FCC” means the United States Federal Communications Commission or any
successor Governmental Authority performing a similar function. 
 “Force Majeure” means strike, riot, act
of God (including, but not limited to, wind, lightning, rain, ice, earthquake, floods, or rising water), nationwide shortages of labor or materials, war, civil disturbance, act of the public enemy, explosion, aircraft or vehicle damage, natural
disaster, governmental Laws, regulations, orders or restrictions. 
 “Governmental Approvals” means all
licenses, permits, franchises, certifications, waivers, variances, registrations, consents, approvals, qualifications, determinations and other authorizations to, from or with any Governmental Authority. 

“Governmental Authority” means, with respect to any Person or any Site, any foreign, domestic, federal,
territorial, state, tribal or local governmental authority, administrative body, quasi-governmental authority, court, government or self-regulatory organization, commission, board, administrative hearing body, arbitration panel, tribunal or any
regulatory, administrative or other agency, or any political or other subdivision, department or branch of any of the foregoing, in each case having jurisdiction over such Person or such Site. 

“Ground Lease” means, as to any Leased Site, the ground lease, sublease, or any easement, license or other
agreement or document pursuant to which Tower Operator (as to an Assignable Site) or an AT&T Ground Lease Party (as to a Non-Assignable Site) holds a leasehold or subleasehold interest, leasehold or subleasehold estate, easement, license,
sublicense or other interest in such Site, together with any extensions of the term thereof (whether by 

  
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exercise of any right or option contained therein or by execution of a new ground lease or other instrument providing for the use of such Site), and including all amendments, modifications,
supplements, assignments and guarantees related thereto. 
 “Ground Lessor” means, as to any Leased Site,
the “lessor,” “sublessor,” “landlord,” “licensor,” “sublicensor” or similar Person under the related Ground Lease. 

“Hazardous Material” or “Hazardous Materials” means and includes petroleum products,
flammable explosives, radioactive materials, asbestos or any material containing asbestos, polychlorinated biphenyls or any hazardous, toxic or dangerous waste, substance or material, in each case, defined as such (or any similar term) or regulated
by, in or for the purposes of Environmental Laws, including Section 101(14) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980. 

“Horizontal Plane” means the space that is perpendicular to the AT&T Collocator’s vertical space on
a Tower equal to 15 feet from the exterior face of the Tower in all directions; provided that such space shall not include any space beyond the outer boundaries of the Site. 

“Improvements” means, as to each Site, (i) one or more equipment pads or raised platforms capable of
accommodating exterior cabinets or Shelters, huts or buildings, electrical service and access for the placement and servicing of AT&T Collocator’s and, if applicable, each Tower Tenant’s Improvements; (ii) batteries, generators
and associated fuel tanks or any other substances, products, materials or equipment used to provide backup power; (iii) grounding rings; (iv) fencing; (v) signage; (vi) connections for telephone service or utility service up to
the meter; (vii) hardware constituting a Tower platform to hold AT&T Collocator’s and, if applicable, each Tower Tenant’s Communications Equipment; (viii) access road improvements; (ix) Shelters; (x) all
marking/lighting systems and light monitoring devices; and (xi) such other equipment, alterations, replacements, modifications, additions and improvements as may be installed on or made to all or any component of a Site (including the Land and
the Tower). For clarity, Improvements do not include Communications Equipment. 
 “Included Property”
means, with respect to each Site, (i) the Land related to such Site (including the applicable interest in any Ground Lease), (ii) the Tower located on such Site (including the AT&T Collocation Space) and (iii) the related
Improvements (excluding AT&T Improvements and any Tower Subtenant Improvements) and the Tower Related Assets with respect to such Site; but excluding, in each case of (i), (ii) and (iii), any Excluded Asset and all Tower Tenant
Communications Equipment. 
 “Indemnified Party” means an AT&T Indemnitee or a Tower Operator
Indemnitee, as the case may be. 
 “Initial Assignable Sites” means the Sites set forth on Exhibit B. 

“Land” means, with respect to each Site, the tracts, pieces or parcels of land constituting such Site,
together with all easements, rights of way and other rights appurtenant thereto. 

  
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 “Law” means any law, statute, common law, rule, code,
regulation, ordinance or Order of, or issued by, any Governmental Authority. 
 “Leased Site” means the
Assignable Sites that are occupied by Tower Operator and the Non-Assignable Sites that are occupied by an AT&T Ground Lease Party, in either case, pursuant to a Ground Lease, which Sites are identified on Exhibit A or Exhibit B as Leased Sites.
If a Site is not a Leased Site, such Site is an Owned Site hereunder. 
 “Liens” means, with respect to any
asset, any mortgage, lien, pledge, security interest, charge, attachment or encumbrance of any kind in respect of such asset. 

“Master Agreement” means the Master Agreement, dated as of October 18, 2013, by and among, inter alia,
Crown Castle International Corp., AT&T Parent and Tower Operator. 
 “Memorandum of Site Lease
Agreement” means as to any Site, a recordable memorandum of a Site Lease Agreement supplement to this Agreement, in substantially the form of Exhibit D attached to this Agreement. 

“MLA Ground Space” means, with respect to any Site, (i) 432 square feet of Land (in the case of Sites
where a Shelter is maintained as of the Effective Date) or (ii) 145 square feet of Land (in the case of Sites where a Shelter is not maintained as of the Effective Date). 

“Modifications” means the construction or installation of Improvements on any Site or any part of any Site
after the Effective Date, or the alteration, replacement, modification or addition to any Improvement on any Site after the Effective Date. 

“Mortgage” means, as to any Site, any mortgage, deed to secure debt, deed of trust, trust deed or other
conveyance of, or similar encumbrance against, the right, title and interest of a Party in and to the Land, Tower and Improvements on such Site as security for any debt, whether now existing or hereafter arising or created. 

“Mortgagee” means, as to any Site, the holder of any Mortgage, together with the heirs, legal
representatives, successors, transferees and assignees of the holder. 
 “MPL” means the Master Prepaid
Lease, dated as of [            ], 2013, by and among [Tower Operator], AT&T Guarantor and the AT&T Lessors. 

“MPL Site MLA” means the MPL Site Master Lease Agreement dated as of
[            ], 2013, among [Tower Operator], AT&T Guarantor and [AT&T Collocator]. 

“Non-Assignable Site” means, for purposes of this Agreement and until any such Site is converted to an
Assignable Site as provided herein, each Site that is identified on Exhibit A, but is not identified as an Assignable Site on Exhibit B and is therefore subject to this Agreement as a Non-Assignable Site as of the Effective Date, until such Site is
converted to an Assignable Site as provided herein. 
 “Non-Restorable Site” means a Site that has suffered
a casualty that damages or destroys all or a Substantial Portion of such Site, or a Site that constitutes a non-conforming use 

  
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under applicable Zoning Laws prior to such casualty, in either case such that either (i) Zoning Laws would not allow Tower Operator to rebuild a comparable replacement Tower on the Site
substantially similar to the Tower damaged or destroyed by the casualty or (ii) Restoration of such Site under applicable Zoning Law, using commercially reasonable efforts, in a period of time that would enable Restoration to be commenced (and
a building permit issued) within one year after the casualty, would not be possible or would require either (A) obtaining a change in the zoning classification of the Site under applicable Zoning Laws, (B) the filing and prosecution of a
lawsuit or other legal proceeding in a court of law or (C) obtaining a zoning variance, special use permit or any other permit or approval under applicable Zoning Laws that cannot reasonably be obtained by Tower Operator. 

“Order” means an administrative, judicial, or regulatory injunction, order, decree, judgment, sanction, award
or writ of any nature of any Governmental Authority. 
 “Owned Sites” means the Sites which are owned by
Tower Operator in fee simple, which Sites are identified on Exhibit A or Exhibit B as Owned Sites. 

“Person” means any individual, corporation, limited liability company, partnership, association, trust or any
other entity or organization, including a Governmental Authority. 
 “Prime Rate” means the rate of
interest reported in the “Money Rates” column or section of The Wall Street Journal (Eastern Edition) as being the prime rate on corporate loans of larger U.S. Money Center Banks, or if The Wall Street Journal is not in publication on the
applicable date, or ceases prior to the applicable date to publish such rate, then the rate being published in any other publication acceptable to AT&T Collocator and Tower Operator as being the prime rate on corporate loans from larger U.S.
money center banks shall be used. 
 “Proceeds” means all insurance moneys recovered or recoverable by any
AT&T Ground Lease Party, Tower Operator or AT&T Collocator as compensation for casualty damage to any Site (including the Tower and Improvements of such Site). 

“Reserved Property” means the Land beneath any mobile telephone switching office and other permanent
structures (for the avoidance of doubt, other than a Tower) and any fuel tanks associated with any such office, in each case on the Sites set forth on Exhibit K hereto, and any replacement thereof or substitution therefor with a similar structure
for so long as any AT&T Group Member maintains (without regard to any demolition in connection with the planned replacement thereof or substitution therefor and any period of construction or restoration thereof) such structures or any
replacement thereof or substitution therefor with a similar structure. 
 “Restoration” means, as to a Site
that has suffered casualty damage or is the subject of a Taking, such restoration, repairs, replacements, rebuilding, changes and alterations, including the cost of temporary repairs for the protection of such Site, or any portion of such Site
pending completion of action, required to restore the applicable Site (including the Tower and Improvements on such Site but excluding any AT&T Communications Equipment or AT&T Improvements, the restoration of which shall be the sole cost
and obligation of AT&T 

  
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Collocator, and excluding any Tower Tenant Communications Equipment or Tower Tenant Improvements, the restoration of which shall be the sole cost and obligation of such Tower Tenant) to a
condition that is at least as good as the condition that existed immediately prior to such damage or Taking (as applicable), and such other changes or alterations as may be reasonably acceptable to AT&T Collocator and Tower Operator or required
by Law. 
 “Revenue Sharing” means any requirement under a Ground Lease to pay to Ground Lessor a share of
the revenue derived from, or an incremental payment triggered by, a sublease, license or other occupancy agreement at the Site subject to such Ground Lease. 

“Right of Substitution” means the right of AT&T Collocator to remove the AT&T Communications
Equipment from the AT&T Primary Tower Space or AT&T Primary Ground Space at a Site and move same to Available Space on such Site by relocation of the portion of its Communications Facility in such space to a portion of such Available Space,
such that the resulting space occupied by AT&T Collocator and the AT&T Communications Equipment is not larger than the AT&T Primary Tower Space or AT&T Primary Ground Space, as applicable, in accordance with and subject to the
limitations contained in Section 10. 
 “Shelter” means a walk-in ground shelter for purposes of
housing Communications Equipment, heating, ventilation and air conditioning units, generators and other equipment related to the use and operation of Communications Equipment; provided that such structure is owned and used, and intended for
use, exclusively by one or more of AT&T Collocator and any Wholly Owned Affiliate. For the avoidance of doubt, “Shelters” shall not include equipment cabinets. 

“Site” means each parcel of Land subject to this Agreement from time to time, all of which are identified on
Exhibit A hereto, as such exhibit may be amended or supplemented as provided in this Agreement and the Master Agreement, and the Tower and Improvements located thereon. As used in this Agreement, reference to a Site includes Modifications, but shall
not include any AT&T Improvements, AT&T Communications Equipment, any Tower Tenant Improvements or Tower Tenant Communications Equipment. 

“Site Expiration Date” means, as to any Leased Site, if arrangements have not been entered into to secure the
tenure of the relevant Ground Lease pursuant to an extension, new Ground Lease or otherwise, one day prior to the expiration of the relevant Ground Lease (as the same may be amended, extended or renewed pursuant to the terms of this Agreement). 

“Site Lease Agreement” means, as to any Site, a supplement to this Agreement, in substantially the form of
Exhibit C attached to this Agreement. 
 “Subsequent Closing” means the conversion of a Non-Assignable Site
to an Assignable Site subsequent to the Effective Date. 
 “Subsequent Closing Date” means, with respect to
each Subsequent Closing, the date on which such Subsequent Closing is deemed to have occurred. 
 “Substantial
Portion” means, as to a Site, so much of such Site (including the Land, Tower and Improvements of such Site, or any portion of such Site) as, when subject to a 

  
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Taking or damage as a result of a casualty, leaves the untaken or undamaged portion unsuitable for the continued feasible and economic operation of such Site for owning, operating, managing,
maintaining and leasing towers and other wireless infrastructure. 
 “Taking” means, as to any Site, any
condemnation or exercise of the power of eminent domain by any Governmental Authority, or any taking in any other manner for public use, including a private purchase, in lieu of condemnation, by a Governmental Authority. 

“Tax” means all forms of taxation, whenever created or imposed, whether imposed by a local, municipal, state,
foreign, federal or other Governmental Authority, and whether imposed directly by a Governmental Authority or indirectly through any other Person and includes any federal, state, local or foreign income, gross receipts, ad valorem, excise,
value-added, sales, use, transfer, franchise, license, stamp, occupation, withholding, employment, payroll, property or environmental tax, levy, charge, assessment or fee together with any interest, penalty, addition to tax or additional amount
imposed by a Governmental Authority or indirectly through any other Person, as well as any liability for or in respect of the Taxes of, or determined by reference to the Tax liability of, another Person under Treasury Regulation § 1.1502-6 (or
any similar provision of state, local or foreign Law), as a transferee or successor, by contract or otherwise. 

“Term” means (i) as to each Site, the term during which this Agreement is applicable to such Site as set
forth in Section 3; and (ii) as to this Agreement, the period from the Effective Date until the expiration or earlier termination of this Agreement as to all Sites. 

“Tower” means the communications towers or other support structures on the Sites from time to time. 

“Tower Operator” means, with respect to each Site, the Person identified as the “Tower Operator”
opposite such Site on Exhibit A and, if applicable, Exhibit B hereto, and which is the “Lessor” under the Site Lease Agreement for such Site, in each case together with its permitted successors and assignees
hereunder, to the extent the same are permitted to succeed to Tower Operator’s rights hereunder. 
 “Tower
Operator Competitor” means any Person (including such Person’s Affiliates) principally in the business of owning or otherwise controlling wireless communications sites for the purpose of leasing or licensing the right to locate
wireless communications equipment on such sites to third party operators of wireless communications systems, but excluding any AT&T Collocator Competitor. 

“Tower Operator Equipment” means all physical assets (other than real property, interests in real property
and Excluded Equipment), located at the applicable Site on or in, or attached to, the Land, Improvements or Towers leased to, owned by or operated by Tower Operator pursuant to this Agreement. 

“Tower Operator Indemnitee” means Tower Operator and its Affiliates and their respective directors, officers,
employees, agents and representatives. 

  
 -10- 

 “Tower Operator Negotiated Increased Revenue Sharing Payments”
means, with respect to any Site, any requirement under a Ground Lease, or a Ground Lease amendment, renewal or extension, in each case entered into after the Effective Date, to pay to the applicable Ground Lessor a share of the revenue derived from
the rent paid under this Agreement, the MPL, the MPL Site MLA or any other agreement (including with a Tower Tenant) that is in excess of the Revenue Sharing payment obligation (if any) in effect prior to Tower Operator’s entry into such
amendment, renewal or extension after the Effective Date for such Site with respect to the revenue derived from the rent paid under this Agreement, the MPL, the Sale Site MLA or any other agreement (including with a Tower Tenant); provided
that “Tower Operator Negotiated Increased Revenue Sharing Payments” shall not include any such requirement or obligation (i) existing as of the Effective Date or (ii) arising under the terms of the applicable Ground Lease (as in
effect as of the Effective Date) or under any amendment, renewal or extension the terms of which had been negotiated or agreed upon prior to the Effective Date. 

“Tower Operator Negotiated Renewal” means (i) an extension or renewal of any Ground Lease by Tower
Operator in accordance with this Agreement or (ii) a new Ground Lease, successive to a previously existing Ground Lease, entered into by Tower Operator; provided that in the case of this clause (ii), (A) the term of such new Ground
Lease commences no later than six (6) months after the termination or expiration of the previously existing Ground Lease and (B) the new Ground Lease is otherwise executed in accordance with this Agreement. 

“Tower Operator Work” means Tower Operator or any Tower Operator Indemnitee making Modifications to any Site
or installing, maintaining, replacing or repairing any Tower Operator Equipment or Improvements, or permitting Tower Tenants (or any Tower Tenant Related Party) to install, maintain, replace or repair any Tower Tenant Communications Equipment or
Tower Tenant Improvement. 
 “Tower Tenant” means, as to any Site, any Person (other than AT&T
Collocator) that (i) is a “lessee”, “sublessee”, “licensee” or “sublicensee” under any Collocation Agreement affecting the right to use Available Space at such Site (prior to the Effective Date); or
(ii) leases, subleases, licenses, sublicenses or otherwise acquires from Tower Operator the right to use Available Space at such Site (from and after the Effective Date). 

“Tower Tenant Communications Equipment” means any Communications Equipment owned or leased by a Tower Tenant.

 “Tower Tenant Improvements” means any Improvements located at a Site that support, shelter, protect,
enclose or provide power or back-up power to Tower Tenant Communications Equipment other than a Tower. All utility connections that provide service to Tower Tenant Communications Equipment, other than those owned by an AT&T Group Member or a
third party other than a Tower Tenant, shall be deemed Tower Tenant Improvements. 
 “Tower Tenant Related
Party” means any Tower Tenant and its Affiliates, and its and their respective directors, officers, employees, agents and representatives. 

  
 -11- 

 “Wholly Owned Affiliate” means (i) so long as AT&T
Guarantor is wholly owned, directly or indirectly, by AT&T Parent, any Affiliate of AT&T Collocator that is directly or indirectly wholly owned by AT&T Parent or (ii) if AT&T Guarantor ceases to be wholly owned, directly or
indirectly, by AT&T Parent, (A) any Affiliate of AT&T Collocator that is directly or indirectly wholly owned by AT&T Guarantor or (B) subject to Section 34, any Person that is directly or indirectly wholly owned by
AT&T Parent (but with respect to any such Person described in this clause (ii)(B), only to the extent that such Person used the applicable Site as of the date AT&T Guarantor ceased to be wholly owned by AT&T Parent). 

“Wind Load Surface Area” means with respect to each antenna, remote radio unit or other tower mounted
equipment, the area in square inches determined by multiplying the two largest dimensions of the length, width and depth of such antenna, remote radio unit or other tower mounted equipment, excluding all mounts and Cables. 

“Zoning Laws” means any zoning, land use or similar Laws, including Laws relating to the use or occupancy of
any communications towers or property, building codes, development orders, zoning ordinances, historic preservation laws and land use regulations. 

Any other capitalized terms used in this Agreement shall have the respective meanings given to them elsewhere in this
Agreement. 
 (b) Terms Defined Elsewhere in this Agreement. In addition to the terms defined in Section 1(a),
the following terms are defined in the Section or part of this Agreement specified below: 
  

			
	 Defined Term
	  	 Section

	 Abandonment Fee
	  	 Section 3(d)

	 Additional Equipment
	  	 Section 9(d)

	 Additional Ground Space
	  	 Section 11(a)

	 Annual Escalator
	  	 Section 4(a)

	 AT&T Assignee
	  	 Section 16(b)(i)

	 AT&T Collocation Space
	  	 Section 9(a)

	 AT&T Collocator Obligations
	  	 Section 33(b)

	 AT&T Parent Affiliate
	  	 Section 34

	 AT&T Parent Affiliate License
	  	 Section 34

	 AT&T Primary Ground Space
	  	 Section 9(a)(i)

	 AT&T Primary Tower Space
	  	 Section 9(a)(ii)

	 AT&T Rent Amount
	  	 Section 4(a)

	 AT&T Reserved Amount of Tower Equipment
	  	 Section 9(c)

	 AT&T Termination Right
	  	 Section 3(b)

	 AT&T Transfer
	  	 Section 16(b)(i)

	 Casualty Notice
	  	 Section 30(a)

	 Chosen Courts
	  	 Section 32(b)

	 Disputes
	  	 Section 13(d)

	 Effective Date
	  	 Preamble

	 Effective Date Ground Space
	  	 Section 9(a)(i)

	 Effective Date Tower Space
	  	 Section 9(a)(ii)

  
 -12- 

			
	 Financial Advisors
	  	 Section 28(a)

	 Indemnifying Party
	  	 Section 13(c)(i)

	 Initial Period
	  	 Section 4(b)

	 Party
	  	 Preamble

	 Per-Site Rent Amount
	  	 Section 4(a)

	 PRIRC
	  	 Section 18(b)

	 Qualified Tower Operator
	  	 Section 16(a)(i)

	 Qualifying Transferee
	  	 Section 16(b)(ii)

	 Reserved AT&T Loading Capacity
	  	 Section 6(a)(ii)

	 Restorable Site
	  	 Section 30(a)

	 Sales Transaction
	  	 Recitals

	 Site Engineering Application
	  	 Section 9(e)(i)

	 Subsequent Use
	  	 Section 8(a)

	 Telecom Affiliate
	  	 Section 19(a)

	 Termination Date
	  	 Section 3(b)

	 Termination Notice
	  	 Section 3(c)

	 Third Party Claim
	  	 Section 13(c)(i)

	 Third Party Communications Equipment
	  	 Section 6(a)(iv)

	 Unused Existing Effective Date Capacity
	  	 Section 6(a)(ii)

 (c) Terms Defined in the Master Agreement. The following defined terms in the
Master Agreement are used herein as defined in the Sections or parts therein when used herein with initial capital letters: 
  

			
	 Defined Term
	  	 Section

	 AT&T’s Share of Transaction Revenue Sharing Payments
	  	 Section 1.1

	 Collateral Agreement
	  	 Section 1.1

	 Collocation Operations
	  	 Section 1.1

	 Excluded Asset
	  	 Section 1.1

	 Permitted Liens
	  	 Section 1.1

	 Sale Sites
	  	 Section 1.1

	 Tower Operator’s Share of Transaction Revenue Sharing Payments
	  	 Section 1.1

	 Tower Related Assets
	  	 Section 1.1

	 Transition Services Agreement
	  	 Recitals

 (d) Terms Defined in the MPL. The following defined terms in the MPL are used
herein as defined in the Sections or parts therein when used herein with initial capital letters: 
  

			
	 Defined Term
	  	 Section

	 AT&T Lessors
	  	 Section 1(a)

	 Permitted Use
	  	 Section 1(a)

	 Purchase Option
	  	 Section 20(a)

	 Purchase Option Closing Date
	  	 Section 20(a)

	 Tower Operator Lender
	  	 Section 1(a)

  
 -13- 

 (e) Construction. Unless the express context otherwise requires: 

(i) 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; 

(ii) the terms defined in the singular have a comparable meaning when used in the plural, and vice versa, and
the singular forms of nouns, pronouns and verbs shall include the plural and vice versa; 
 (iii) any
references herein to “$” are to United States Dollars; 
 (iv) any references herein to a specific
Section, Schedule or Exhibit shall refer, respectively, to Sections, Schedules or Exhibits of this Agreement; 

(v) any references to any agreement, document or instrument means such agreement, document or instrument as
amended or otherwise modified from time to time in accordance with the terms thereof and, if applicable, hereof; 

(vi) any use of the words “or”, “either” or “any” shall not be exclusive; 

(vii) wherever the word “include,” “includes,” or “including” is used in this
Agreement, it shall be deemed to be followed by the words “without limitation”; 
 (viii)
references herein to any gender include each other gender; and 
 (ix) any provision providing that Tower
Operator or any of its Affiliates shall “require” any Tower Tenant to engage or refrain from engaging in certain activities, or take or refrain from taking certain acts, shall be construed as an obligation by Tower Operator or such
Affiliate of Tower Operator to use commercially reasonable efforts to cause such Tower Tenant’s compliance therewith. 

SECTION 2. Grant; Documents; Operating Principles; Conversion of MPL Sites. 

(a) Grant. Subject to the terms and conditions of this Agreement, as of the Effective Date as to the Initial Assignable
Sites, and thereafter as of the applicable Subsequent Closing Date as to each Non-Assignable Site converted to an Assignable Site hereunder pursuant to a Subsequent Closing, Tower Operator hereby leases to AT&T Collocator, and AT&T
Collocator hereby leases from Tower Operator, the AT&T Collocation Space of all of the Assignable Sites. Subject to the terms and conditions of this Agreement, as of the Effective Date as to each Non-Assignable Site, until the applicable
Subsequent Closing Date with respect to such Site (if any), Tower Operator hereby reserves and makes the AT&T Collocation Space available for the exclusive use and possession of AT&T Collocator except as otherwise expressly provided herein,
whether or not such AT&T Collocation Space is now or hereafter occupied. Notwithstanding anything to the contrary herein, no leasehold, subleasehold or other real property interest is granted pursuant to this Agreement in the AT&T
Collocation Space at any 

  
 -14- 

 
Non-Assignable Site until the Subsequent Closing at which such Non-Assignable Site is converted to an Assignable Site. Tower Operator and AT&T Collocator acknowledge and agree that this
single Agreement is indivisible, intended to cover all of the Sites and is not a separate lease and sublease or agreement with respect to individual Sites, and for bankruptcy-law purposes (and without impairing the express rights of any Party
hereunder), all Parties intend that this Agreement be treated as a single indivisible Agreement. 
 (b) Site Lease
Agreements. The Site Lease Agreements shall be entered into by Tower Operator and AT&T Collocator in accordance with the terms of this Agreement and the Master Agreement. Following the Effective Date, (i) either AT&T Collocator or
Tower Operator may, at any time, prepare a Site Lease Agreement and deliver it to the other Party for its approval, not to be unreasonably withheld, delayed or conditioned, and (ii) Tower Operator shall prepare a Site Lease Agreement for a
Site, and shall deliver the same to AT&T Collocator for its approval, not to be unreasonably withheld, delayed or conditioned, no later than one hundred eighty (180) days after the first time Tower Operator performs a structural analysis or
other work requiring an inventory of such Site for Tower Operator, AT&T Collocator or a Tower Tenant; provided, however, that if a Site Lease Agreement is not entered into with respect to a Site, the Parties shall still have all of
the rights and obligations with respect to such Site as provided in this Agreement; provided, further, that (x) if AT&T Collocator seeks to install any new AT&T Communications Equipment, or modify any existing AT&T
Communications Equipment, at any Site at any time after the Effective Date, the Site Lease Agreement for such Site shall be executed prior to the installation or modification of such AT&T Collocator Communications Equipment and (y) if Tower
Operator seeks to allow a Tower Tenant to locate at any Site at any time after the Effective Date, until the Site Lease Agreement is entered into with respect to a Site, Tower Operator may collocate Tower Tenants anywhere on such Site outside of the
Effective Date Ground Space provided that such Tower Tenants’ ground equipment and improvements are located in a manner that will permit the MLA Ground Space to be contiguous with the Effective Date Ground Space and does not impair the utility
of the MLA Ground Space. The form of each Site Lease Agreement shall be substantially in the form of Exhibit C hereto and may not be changed without the mutual agreement of Tower Operator and AT&T Collocator. The terms and conditions of this
Agreement shall govern and control in the event of a discrepancy or inconsistency with the terms and conditions of any Site Lease Agreement, except to the extent otherwise expressly provided in such Site Lease Agreement that has been duly executed
and delivered by an authorized representative of AT&T Collocator and by Tower Operator. Notwithstanding the foregoing, any specific requirements relating to the design or construction of the AT&T Communications Equipment or AT&T
Improvements imposed by a Governmental Authority shall control over any terms in this Agreement that directly conflict with such specific requirements. 

(c) Documents. This Agreement shall consist of the following documents, as amended from time to time as provided
herein: 
 (i) this Agreement; 

(ii) the following Exhibits, which are incorporated herein by this reference: 

  
 -15- 

 
			
	 Exhibit A
	  	 List of Sites

	 Exhibit B
	  	 List of Assignable Sites

	 Exhibit C
	  	 Form of Site Lease Agreement

	 Exhibit D
	  	 Form of Memorandum of Site Lease Agreement

	 Exhibit E
	  	 Hypothetical Equipment Configuration

	 Exhibit F
	  	 Form of Agreement and Consent

	 Exhibit G
	  	 Reserved

	 Exhibit H
	  	 Additional Equipment and Additional Ground Space Pricing Schedule

	 Exhibit I
	  	 Certain AT&T Collocator Competitors

	 Exhibit J
	  	 Authorized Representatives

	 Exhibit K
	  	 Mobile Telephone Switching Offices and Other Permanent Structures

 (iii) Schedules to the Exhibits, which are incorporated herein by
reference, and all Schedules to this Agreement, which are incorporated herein by reference; and 
 (iv) such
additional documents as are incorporated by reference. 
 (d) Priority of Documents. If any of the documents
referenced in Section 2(c) are inconsistent, this Agreement shall prevail over the Exhibits, the Schedules and additional incorporated documents. 

(e) Survival of Terms and Provisions. All terms defined in this Agreement and all provisions of this Agreement solely
to the extent necessary to the interpretation of the Master Agreement or any other Collateral Agreement referred to in the Master Agreement shall survive after the termination or expiration of this Agreement and shall remain in full force and effect
until the expiration or termination of such applicable agreement. 
 (f) Operating Principles. During the Term of a
Site, AT&T Collocator shall manage, operate and maintain the AT&T Collocation Space at such Site (i) in the ordinary course of business, (ii) in compliance with applicable Law in all material respects, (iii) in a manner
consistent in all material respects with the manner in which AT&T Collocator manages, operates and maintains its other collocation spaces and (iv) in a manner that shall not be less than the general standard of care in the
telecommunications industry. 
 (g) Conversion of MPL Sites. Notwithstanding anything to the contrary in this
Agreement, all Sites (as defined in the MPL) with respect to which the Tower Operator (as defined in the MPL) under the MPL exercises its Purchase Option (as defined in the MPL) under the MPL shall automatically become subject to and Sites under and
governed by this Agreement as of the applicable Purchase Option Closing Date (as defined in the MPL). The Parties shall enter into appropriate documentation to evidence the same. 

  
 -16- 

 SECTION 3. Term and Termination Rights. 

(a) Term. The initial term of this Agreement as to each Site shall be for a 10-year period from the Effective Date, and
the term of this Agreement as to each Site shall be automatically extended for eight additional five-year renewal terms, in each case unless it is terminated earlier pursuant to Section 3, Section 8, Section 25, Section 30 or
Section 31 with respect to a Site. Notwithstanding the foregoing, the term of this Agreement as to any Leased Site shall automatically expire on the Site Expiration Date for such Leased Site. 

(b) AT&T Collocator Termination Right. Notwithstanding anything to the contrary contained herein, AT&T
Collocator shall have the right to terminate its lease or other right to occupy the AT&T Collocation Space at any Site (i) on the tenth anniversary of the Effective Date and on the last day of each successive five-year period
thereafter; (ii) at any time in accordance with Section 3(e) or Section 8(a); (iii) at any time if any Law or Order hereinafter enacted or ordered prohibits or materially interferes with AT&T Collocator’s
permitted use of the AT&T Collocation Space at such Site, so long as at least one other wireless carrier at the Site cannot (or, if AT&T Collocator is the sole tenant at the Site, another wireless carrier could not) legally use the
Tower at such Site for wireless operations without material interference by no fault of such other carrier’s own; or (iv) at any time after the tenth anniversary of the Effective Date upon the inability of AT&T Collocator (after using
commercially reasonable efforts) to obtain or maintain any Governmental Approval necessary for the operation of AT&T’s Communications Facility at such Site; provided, however, that AT&T Collocator may not assert such
termination right if AT&T Collocator (x) cannot maintain or obtain or otherwise forfeits a Governmental Approval as a result of the violation of any Laws by AT&T Collocator or its Affiliates or any enforcement action or proceeding
brought by any Governmental Authority against AT&T Collocator or its Affiliates because of any alleged wrongdoing by AT&T Collocator or its Affiliates, or (y) does not have such Governmental Approval on the Effective Date and such
Governmental Approval was required on the Effective Date (each such date, a “Termination Date” and such rights, collectively, the “AT&T Termination Right”). 

(c) Exercise by AT&T Collocator. To exercise an AT&T Termination Right with respect to any Site, AT&T
Collocator shall give Tower Operator written notice of such exercise (the “Termination Notice”), not less than 90 days prior to any Termination Date (or such lesser period as may be prescribed by another provision of this
Agreement). If AT&T Collocator exercises an AT&T Termination Right as to any Site, AT&T Collocator shall not be required to pay the Per Site Rent Amount, or any other amounts with respect to such Site for the period occurring after the
Termination Date specified in the applicable Termination Notice and, as of such Termination Date, the Site Lease Agreement for such Site shall be terminated and the rights, duties and obligations of AT&T Collocator (and any of its Affiliates
with rights hereunder) and Tower Operator in this Agreement with respect to such Site shall terminate as of the Termination Date for such Site except the rights, duties and obligations set forth in Section 3(d) and such other rights, duties and
obligations with respect to such Site that expressly survive the termination of this Agreement with respect to such Site. 

(d) Obligations Following AT&T Collocator Termination. Upon the Termination Date of any Site, AT&T Collocator
shall, within thirty (30) days after such Termination Date, vacate the AT&T Collocation Space of such Site and abandon the AT&T 

  
 -17- 

 
Communications Equipment and pay Tower Operator a one-time abandonment fee (the “Abandonment Fee”) of $10,000 (subject to an increase of 2% per annum on the anniversary of
the Effective Date), and the rights and title to, and interests in, such AT&T Communications Equipment shall pass to Tower Operator (on an as-is, where-is basis, without any representation or warranty by AT&T Collocator). Notwithstanding the
foregoing, or any provision herein to the contrary, AT&T Collocator shall not abandon any ground-based electronics, batteries, fuel tanks and Hazardous Materials that are the responsibility of AT&T Collocator pursuant to Section 17, all
of which shall be removed by AT&T Collocator from each Site by or before the applicable Termination Date of such Site. AT&T Collocator’s right to occupy and use the AT&T Collocation Space of a Site pursuant to this Agreement shall
be terminated as of the Termination Date of such Site. At the request of either AT&T Collocator or Tower Operator, the appropriate Parties shall enter into documentation, in form and substance reasonably satisfactory to such Parties, evidencing
any termination of AT&T Collocator’s rights at any Site pursuant to this Agreement. 
 (e) Decommissioning.
AT&T Collocator may terminate this Agreement at any time with respect to any Site if AT&T Collocator elects to decommission its use of the AT&T Collocation Space at such Site, upon 30 days’ prior written notice to Tower Operator;
provided, however, that (i) upon any termination pursuant to this Section 3(e), AT&T Collocator shall pay Tower Operator a sum equal to the net present value of the remaining AT&T Rent Amount for such Site until the
end of the initial term or the then-current renewal term, as applicable, calculated using an eight percent (8%) discount rate, which amount shall be due and payable on or before the effective date of the termination of this Agreement with
respect to such Site, and (ii) in any twelve (12) month period, AT&T Collocator may terminate this Agreement pursuant to this Section 3(e) with respect to no more than fifty (50) Sites (less the number of Sites with respect
to which the MPL Site MLA is terminated pursuant to Section 3(e) of the MPL Site MLA during such twelve (12) month period, it being acknowledged and agreed that the fifty (50) Site limitation in any twelve (12) month period
contained herein and therein is a single aggregated limitation with respect to each twelve (12) month period). 
 (f)
AT&T Rent Amount. For the avoidance of doubt, subject to Section 25(b)(i) and Section 25(j), upon the termination of this Agreement as to any Site, such Site will not be not be included in any subsequent calculation of the
AT&T Rent Amount, and the AT&T Rent Amount for the month of termination will be prorated as provided in Section 4(b). 

(g) Termination. If this Agreement terminates with respect to any Site, all of the rights and duties of this Agreement
with respect to such Site shall terminate at such time, unless otherwise expressly provided herein. 
 (h) Site
Access. Upon the termination of this Agreement with respect to any Site, Tower Operator shall grant to the AT&T Collocator as to each Site a non-exclusive right and easement (over the surface of the Site) to access any structures (including
Shelters and cabinets) on such Site owned and used, and intended for use, exclusively by AT&T Collocator or any Affiliate of AT&T Collocator other than in the Collocation Operations, in each case on such Site as of the Effective Date
(without regard to any demolition in connection with the planned replacement thereof or substitution therefor with a similar structure and any period of construction or restoration thereof) or any replacement thereof or substitution therefor with a

  
 -18- 

 
similar structure, at such times (on a 24-hour, seven day per week basis unless otherwise limited by the Ground Lease, but subject to giving Tower Operator at least one Business Day’s prior
notice or, in the case of an Emergency, as much notice as is practicable, in each case in accordance with Tower Operator’s standard process), to such extent, and in such means and manners (on foot or by motor vehicle, including trucks and other
heavy equipment), as AT&T Collocator (and its authorized contractors, subcontractors, engineers, agents, advisors, consultants, representatives, or other persons authorized by AT&T Collocator) deems reasonably necessary in connection with
its use, operation and maintenance of such structures, in each case for as long as AT&T Collocator or such Affiliate maintains such structure or any replacement thereof or substitution therefor with a similar structure. 

SECTION 4. Rent. 

(a) Rent. On the tenth (10th) day of each calendar month during the Term, as to all Sites that are subject to this
Agreement as of the first day of such calendar month, AT&T Collocator shall pay Tower Operator the AT&T Rent Amount. “AT&T Rent Amount” means an amount per month that is equal to (i) the number of Sites then subject
to this Agreement and as to which AT&T Collocator’s rent obligation has not terminated as provided by Section 4(d), multiplied by the Per-Site Rent Amount plus (ii) any amounts payable with respect to Additional Equipment in
accordance with Section 9(d) or Additional Ground Space in accordance with Section 11(a). The “Per-Site Rent Amount” means $1,900.00, subject to an increase of 2% in the Per Site Rent Amount applicable immediately prior to
such anniversary (the “Annual Escalator”) on an annual basis during the Term of this Agreement on the first day of the calendar month following the one year anniversary of the Effective Date and each one-year anniversary thereafter
(unless the Effective Date is on the first day of a month in which event the Annual Escalator shall be applied on each anniversary of the Effective Date). 

(b) Prorated Rent Payments. If the Effective Date is a day other than the first day of a calendar month, (i) the
AT&T Rent Amount for the period from the Effective Date through the end of the calendar month during which the Effective Date occurs (the “Initial Period”) shall be prorated on a daily basis, and shall be included in the
calculation of and payable with the AT&T Rent Amount for the first full calendar month of the Term, and (ii) AT&T Collocator shall timely pay, to the extent it has not already paid, to each Ground Lessor directly, the rents, fees and
other charges due and payable under the respective Ground Lease for the Initial Period (provided, that the foregoing shall not alter the apportionment of liability for such rents, fees and other charges between AT&T Parent and Tower
Operator pursuant to the Master Agreement). If the date of the expiration of the Term as to any Site is a day other than the last day of a calendar month, the AT&T Rent Amount for such calendar month shall be prorated on a daily basis (and if
such proration results in an overpayment of the AT&T Rent Amount for such calendar month, AT&T Collocator shall be entitled to deduct the excess from the following month’s payment of the AT&T Rent Amount). 

(c) Revenue Sharing Payments. AT&T Collocator shall pay to Tower Operator (or to the applicable Ground Lessor
(i) if required to be paid directly to such Ground Lessor by the terms of the applicable Ground Lease or (ii) if so instructed by Tower Operator (which instruction may be a single, continuing instruction to make periodic payments as and
when due)), as and when due and payable under any Ground Lease, AT&T’s Share of 

  
 -19- 

 
Transaction Revenue Sharing Payments that are required to be made with respect to the AT&T Rent Amount for any Site, but excluding Tower Operator Negotiated Increased Revenue Sharing
Payments. AT&T Collocator and Tower Operator shall agree, from time to time, on a mutually acceptable procedure to facilitate the identification of the Site in respect of which each payment of Transaction Revenue Sharing Payments by AT&T
Collocator is being made. Tower Operator shall pay, as and when due and payable, Tower Operator’s Share of Transaction Revenue Sharing Payments that are required to be made with respect to the AT&T Rent Amount for any Site. 

(d) Termination of Rent Obligation. Notwithstanding anything to the contrary contained herein, if AT&T Collocator
is not able to use or occupy the AT&T Collocation Space at a Site for the current or future business activities that it conducts at such Site because of the termination of the underlying Ground Lease, or the failure of Tower Operator to comply
with the terms and conditions of this Agreement following applicable notice and cure periods, or, subject to Section 25(b)(i) and Section 25(j), if this Agreement otherwise terminates with respect to any Site pursuant to the terms hereof,
AT&T Collocator shall have no further obligation to pay the AT&T Rent Amount applicable to such Site. The foregoing shall not limit any other rights or remedies of AT&T Collocator hereunder. 

SECTION 5. Ground Leases. 

(a) Compliance With Ground Leases. Tower Operator shall pay all rents, fees and other charges payable to the Ground
Lessor under, and shall abide by, comply with and perform all other applicable terms, covenants, conditions and provisions of, each Ground Lease (including terms, covenants, conditions and provisions relating to maintenance, insurance and
alterations) and, to the extent evidence of such performance must be provided to a Ground Lessor, Tower Operator shall provide such evidence to such Ground Lessor (in each case unless such performance obligation is such that it requires performance
by AT&T Collocator of such obligations pursuant to the applicable Ground Lease or this Agreement). In no event shall Tower Operator have any liability to any AT&T Group Member for any breach of, or default under, a Ground Lease caused by an
act of, or failure to perform a duty required to be performed by, AT&T Collocator, any AT&T Ground Lease Party or any AT&T Group Member or a breach of this Agreement by any AT&T Collocator or any AT&T Lessor. 

(b) Exercise of Existing Ground Lease Extensions. During the term (including any renewal terms) of any Ground Lease
relating to any Site, Tower Operator agrees to timely exercise prior to the expiration of the applicable Ground Lease and in accordance with the provisions of the applicable Ground Lease, any and all extension options existing as of the Effective
Date. AT&T Collocator agrees that it will not take any action with respect to any Ground Lease that is reasonably likely to cause such Ground Lease to be prematurely terminated without the prior written approval of Tower Operator, in Tower
Operator’s reasonable and good faith determination. Notwithstanding the foregoing, Tower Operator shall not be required to exercise any Ground Lease extension option (A) if AT&T Collocator at the Site covered by such Ground Lease is in
default of its obligations under this Agreement as to the Site beyond applicable notice and cure periods provided herein, (B) if the then remaining term of such Ground Lease (determined without regard to such extension option) shall extend
beyond the term of this Agreement as to such Site taking into account all renewal options that may be exercised 

  
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by AT&T Collocator under this Agreement or (C) if as to such Site, AT&T Collocator has given a Termination Notice whose effective date precedes the expiration date of the Ground
Lease (determined without regard to such extension option). 
 (c) Negotiation of Additional Ground Lease Extensions.
AT&T Collocator, if requested by Tower Operator, shall use commercially reasonable efforts to assist Tower Operator (and not interfere with Tower Operator) in obtaining further extensions of the term of any Ground Lease; provided,
however, that AT&T Collocator shall not be required to expend any funds in connection therewith or accept any liability for which Tower Operator is responsible under this Agreement. 

SECTION 6. Condition of the Sites. 

(a) Repair and Maintenance of Tower; Tower Modifications. 

(i) Repair and Maintenance Obligations of Tower Operator. Tower Operator has the obligation, right and
responsibility to repair and maintain each Site in accordance with tower industry standards, including an obligation to maintain the structural integrity of all of the Towers and to ensure that all of the Towers have at all times the structural
loading capacity to hold and support all Communications Equipment then mounted on the Tower. 
 (ii)
Reserved AT&T Loading Capacity, Modification Cost Allocation. Tower Operator shall make structural modifications to any Tower when and to the extent necessary to provide sufficient structural loading capacity to enable AT&T Collocator
to install the AT&T Reserved Amount of Tower Equipment in the AT&T Primary Tower Space on such Tower (the “Reserved AT&T Loading Capacity”), subject to obtaining all necessary Governmental Approvals and other approvals
and further subject to the following: 
 (A) Tower Operator shall be responsible only for the costs of
structural modifications to any Tower (including costs related to structural analysis, Governmental Approvals and other approvals) to increase the structural loading capacity: 

(1) to enable Tower Operator to permit any Person other than AT&T Collocator to install Communications
Equipment; and 
 (2) to provide AT&T Collocator with the portion of the Reserved AT&T Loading
Capacity that (x) existed on such Tower but was not being used by AT&T Collocator as of the Effective Date (“Unused Existing Effective Date Capacity”) but (y) is unavailable at the time that AT&T Collocator wishes
to install the AT&T Reserved Amount of Equipment due to the prior installation (from and after the Effective Date) of Communications Equipment by any Tower Tenant or Tower Operator (including following a change in applicable Law that became
effective after the Effective Date; provided that Communications Equipment shall have been installed by any new or existing Tower Tenant or Tower 

  
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Operator on or after the Effective Date that resulted in Tower Operator receiving additional site rental revenue, regardless of whether such prior installation occurred before or after such
change in applicable Law); provided, however, that Tower Operator’s obligations under this Section 6(a)(ii)(A)(2) with respect to any Site shall terminate upon any assignment or transfer of AT&T Collocator’s rights,
duties or obligations to such Site or the AT&T Collocation Space at such Site (other than any such assignment or transfer to any Affiliate of AT&T Collocator permitted by Section 16(b)(i)). 

(B) Tower Operator shall not be responsible for the costs of structural modifications to any Tower (including
costs related to structural analysis, Governmental Approvals and other approvals) to increase the structural loading capacity: 

(1) to provide AT&T Collocator with any portion of the Reserved AT&T Loading Capacity in excess of the
Unused Existing Effective Date Capacity; 
 (2) except as provided in Section 6(a)(ii)(A)(2) above, to
provide AT&T Collocator with any portion of the Reserved AT&T Loading Capacity that is unavailable at the time AT&T Collocator installs the AT&T Reserved Amount of Equipment due to a change in applicable Law that became effective
after the Effective Date; or 
 (3) as provided by Section 6(a)(iii). 

(iii) Tower and Site Modifications, Insufficient Capacity as of Effective Date. With respect to any Site
for which the structural capacity of the Tower is not sufficient as of the Effective Date to support the AT&T Reserved Amount of Tower Equipment, Tower Operator shall, to the extent possible and if permitted by applicable Law, upon request by
AT&T Collocator and at AT&T Collocator’s cost and expense (as an AT&T Collocator capital expenditure, without any increase in the AT&T Rent Amount or payment of any fee or charge to Tower Operator), make any Modifications (which
shall include costs relating to structural analysis, Tower modification drawings or similar costs relating to such Modification) to a Tower reasonably necessary to increase the structural capacity of such Tower to support the AT&T Reserved
Amount of Tower Equipment; provided, however, that (i) the price of such Modifications shall be as mutually agreed to by the Parties acting in good faith and shall be consistent with prevailing market rates for similar
Modifications charged by tower operators (including Tower Operator) at the relevant time and (ii) Tower Operator shall provide AT&T Collocator with reasonably detailed supporting documentation regarding both the determination of structural
capacity of the Tower and the cost of any such Modifications. The structural loading capacity of a Tower and the structural loading thereon shall be determined based on a structural report obtained by Tower Operator at AT&T Collocator’s
cost. If Tower Operator increasing the height of a Tower at the request of AT&T Collocator results in a requirement for FAA mandated lighting of 

  
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such Tower, AT&T Collocator shall pay the cost of installing such lighting, the cost of obtaining or amending the FCC Antenna Structure Registration for the Tower, including any environmental
studies, and the cost of industry-standard lighting equipment for Tower Operator to monitor the lighting of such Tower, similar to the monitoring equipment at other lighted Sites and the reasonable and customary ongoing electrical expense and other
operating expenses associated with maintaining such Tower lighting. If the increase in Tower height at the request of AT&T Collocator results in a requirement to detune the Tower, AT&T Collocator shall pay the cost of the related detuning
equipment and its installation. If AT&T Collocator desires to replace or reinforce a Tower, AT&T Collocator shall provide notice thereof to Tower Operator, and Tower Operator shall or shall cause such work to be performed, and AT&T
Collocator shall pay the actual and reasonable one-time cost of such work (as an AT&T Collocator capital expenditure, without any increase in the AT&T Rent Amount or payment of any fee or charge to Tower Operator), together with all actual
and reasonable costs incident thereto, within 30 days after Tower Operator delivers to AT&T Collocator a written invoice and reasonable supporting documentation for the cost of such work. 

(iv) Tower Operator Right to Install Equipment. Tower Operator shall have the right to install its own
Communications Equipment or Tower Tenant Communications Equipment (collectively, “Third Party Communications Equipment”) outside of the AT&T Collocation Space at any time subject to the provisions of Section 6(a)(ii);
provided, however, that if an application to install Third Party Communications Equipment is made after Tower Operator has received an application from AT&T Collocator to install any of the AT&T Reserved Amount of Tower
Equipment, Tower Operator shall, provided that (x) AT&T Collocator’s application to install the AT&T Reserved Amount of Tower Equipment set forth in its application is approved and (y) the installation of the AT&T Reserved
Amount of Tower Equipment occurs not later than 180 days after completion of structural review, allocate the currently available loading capacity first to the subject AT&T Reserved Amount of Tower Equipment and then to the subject Third Party
Communications Equipment. Notwithstanding the exclusivity of the AT&T Primary Tower Space, Tower Operator and Tower Tenants and their employees, contractors and agents shall have the right to enter the AT&T Primary Tower Space at any time,
without notice to AT&T Collocator, to access other portions of the Tower and to install, operate, inspect, repair, maintain and replace Cables together with related mounting hardware and incidental equipment and to install, operate, inspect,
repair, maintain, make improvements to and perform work on the Tower, tower-related components and equipment within the AT&T Primary Tower Space. 

(b) Compliance with Laws. Tower Operator’s installation, maintenance and repair of each Site shall comply in all
material respects with all Laws and shall be performed in a manner consistent with or superior to the general standard of care in the tower industry. Tower Operator assumes all responsibilities, as to each Site, for any fines, levies or other
penalties that are imposed as a result of non-compliance, commencing from and after the Effective Date with requirements of the applicable Governmental Authorities; provided, that AT&T Collocator shall be responsible for the portions of
all such fines, levies or other penalties that are imposed for, or 

  
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relating to, periods prior to the Effective Date and relate to non-compliance that existed prior to or on the Effective Date. AT&T Collocator assumes all responsibilities, as to each Site,
for any fines, levies or other penalties imposed as a result of AT&T Collocator’s non-compliance from and after the Effective Date with such requirements of the applicable Governmental Authorities unless due to Tower Operator’s failure
to perform its obligations under this Agreement. Without limiting the foregoing, Tower Operator, at its own cost and expense, shall make (or cause to be made) all Modifications to the Sites as may be required from time to time to meet in all
material respects the requirements of applicable Laws. 
 (c) Access. Tower Operator agrees to maintain access roads
to the Sites in such order and repair as would be required in accordance with tower industry standards and agrees not to take any action (except as required by Law, a Governmental Authority, a Ground Lease, a Collocation Agreement or any other
agreement affecting the Site) that would materially diminish or impair any means of access to any Site existing as of the Effective Date. In the event that AT&T Collocator requires access to a Site but snow or some other obstruction on or in the
access area is preventing or materially hindering access to the Site, and provided the Ground Lessor is not obligated to maintain access to such Site, Tower Operator shall use commercially reasonable efforts to arrange, at its sole cost and expense,
to have such snow or other obstruction removed within 48 hours of notice therefrom from AT&T Collocator. In the event that access to any Site is controlled by a Ground Lessor or other third party, Tower Operator will use commercially reasonable
efforts to coordinate with such Ground Lessor or other third party to cause AT&T Collocator to have access consistent with this Section 6(c). 

SECTION 7. Tower Operator Modifications. 

(a) Tower Operator may from time to time make such Modifications as Tower Operator elects, including the addition or removal
of land, construction, modification or addition to the Tower or other Improvements or any other structure or the reconstruction, replacement or alteration thereof; provided that Tower Operator shall provide not less than ten
(10) Business Days’ notice to AT&T Collocator if such Modification adversely affects such AT&T Collocator. Notwithstanding anything to the contrary contained herein, in no event may Tower Operator make any Modification to, or
materially adversely affecting, any AT&T Improvement or modify or replace any AT&T Communications Equipment except in the event of an Emergency as to which Tower Operator is not the cause or source (and, in such an Emergency, Tower Operator
shall make reasonable efforts to notify AT&T Collocator prior to taking such actions and shall reimburse AT&T Collocator for any damage caused by Tower Operator or its agents; provided that if (i) any of AT&T Lessor, AT&T
Collocator or any other AT&T Group Member or (ii) any AT&T Communications Equipment or AT&T Improvements are determined to be the cause or source of an Emergency, AT&T Collocator shall be responsible and shall reimburse Tower
Operator for all costs and expenses related to such Emergency). Title to all Modifications shall vest in Tower Operator. 

(b) In the event of any replacement of a Tower by Tower Operator, Tower Operator shall provide AT&T Collocator with
suitable space at the Site during the construction period to permit the continued operation of the AT&T Communications Equipment in the AT&T Primary Tower Space or other space acceptable to AT&T Collocator in its reasonable discretion
and in good faith, and Tower Operator shall be solely responsible for the costs associated with 

  
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removing and re-installing the AT&T Communications Equipment on the replacement Tower; provided, that in the event of any replacement of a Tower because of an Emergency (but, for
clarity, not in the event of a scheduled replacement in the ordinary course of business or to increase the available structural capacity of the Tower), Tower Operator shall not be required to provide such space unless suitable space is available
within the Site. AT&T Collocator assumes all responsibilities, as to each Site, for any costs or expenses incurred as a result of AT&T Collocator’s damage or harm to Towers from and after the Effective Date unless due to Tower
Operator’s failure to perform its obligations under this Agreement. If, and only if, Tower Operator Work adversely affects the continued operations of AT&T Communications Equipment on such Site, AT&T Collocator shall have the right to
deploy a temporary structure at any Site (without any increase in the AT&T Rent Amount) to host the AT&T Communications Equipment during the period of any Tower Operator Work, during an Emergency that inhibits AT&T Collocator’s use
of the AT&T Collocation Space. AT&T Collocator may abate the AT&T Rent Amount related to a Site during any period of construction of a Tower or Modification thereto, but if, and only if, AT&T Collocator is not reasonably capable of
continuing to operate the AT&T Communications Equipment from the applicable Site or a temporary location at the Site in accordance with the terms and conditions of this Agreement with reasonably similar quality of service and without additional
cost or expense to AT&T Collocator. 
 SECTION 8. AT&T Collocator’s and Tower Operator’s
Obligations With Respect to Tower Tenants; Interference. 
 (a) Interference to AT&T Collocator’s
Operations. Tower Operator agrees that neither Tower Operator nor any Tower Tenant whose Communications Equipment is installed or modified (including modifying the frequency at which such equipment is operated) subsequently to AT&T
Communications Equipment (a “Subsequent Use”), shall permit their equipment to interfere with AT&T Collocator’s permitted, lawfully installed and properly operated FCC licensed transmissions or reception (except for
intermittent testing). In the event that AT&T Collocator experiences harmful RF interference caused by such Subsequent Use, then (i) AT&T Collocator shall notify Tower Operator in writing of such harmful RF interference and
(ii) Tower Operator shall use commercially reasonable efforts to cause the party whose Subsequent Use is causing such RF interference to immediately take necessary steps to determine the cause of and eliminate such RF interference. If such
interference continues for a period in excess of 72 hours after Tower Operator’s receipt of notice from AT&T Collocator, Tower Operator shall request that Tower Tenant reduce power or cease operations (except for intermittent testing) until
such time as Tower Tenant can make repairs to the interfering equipment. In the event that such Tower Tenant fails to promptly reduce power or cease operations as requested, then Tower Operator shall terminate the operation of the Communications
Equipment causing such RF interference at Tower Operator’s (or such Tower Tenant’s) cost if and to the extent permitted by the terms of any applicable Collocation Agreements that are in effect as of the Effective Date. Notwithstanding the
foregoing, if such interference described above continues (i) for 10 days or longer after notice to Tower Operator, AT&T Collocator shall have no obligation to pay the AT&T Rent Amount with respect to the affected Site until the cure of
such interference, or (ii) for 30 days or longer after notice to Tower Operator, then AT&T Collocator may, in addition to any other rights it may have with respect to Tower Operator’s breach of this Agreement, terminate this Agreement
as to the affected Site. 

  
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 (b) Interference by AT&T Collocator. Notwithstanding any prior
approval by Tower Operator of AT&T Communications Equipment, AT&T Collocator agrees that it shall not allow AT&T Communications Equipment installed or modified subsequently to any Tower Operator or Tower Tenant’s Communications
Equipment to cause harmful RF interference to Tower Operator’s or any Tower Tenant’s permitted, lawfully installed and properly operated FCC licensed transmissions or reception. If AT&T Collocator is notified in writing that its
operations are causing harmful RF interference, AT&T Collocator shall immediately take all commercially reasonable efforts and necessary steps to determine the cause of and eliminate such RF interference. If the interference continues for a
period in excess of 72 hours following such notification, Tower Operator shall have the right to require AT&T Collocator to reduce power or cease operations (except for intermittent testing) until such time as AT&T Collocator can make
repairs to the interfering Communications Equipment. In the event that AT&T Collocator fails to promptly take such action as agreed, then Tower Operator shall have the right to terminate the operation of the Communications Equipment causing such
RF interference, at AT&T Collocator’s cost, and notwithstanding anything to the contrary contained herein without liability to Tower Operator for any inconvenience, disturbance, loss of business or other damage to AT&T Collocator as the
result of such actions. AT&T Collocator also agrees that it shall neither install AT&T Communications Equipment nor subsequently modify it such that it is not authorized by, or violates, any applicable Laws or is not made or installed in
accordance with good engineering practices. 
 (c) Rights of Tower Tenants under Collocation Agreements.
Notwithstanding anything to the contrary contained herein, the obligations of Tower Operator hereunder as to any Site are subject to any limitations imposed by any applicable Law and to the rights of any Tower Tenant under any Collocation Agreement
in existence as of the Effective Date at such Site. To the extent that any such Collocation Agreement or any applicable Law prohibits Tower Operator from performing the obligations of Tower Operator hereunder, then, for so long as such limitation is
applicable, Tower Operator shall be required to perform such obligations only to the extent not so prohibited and shall have no liability with respect thereto to AT&T Collocator. 

SECTION 9. AT&T Collocation Space. 

(a) Collocation Space. As used herein, “AT&T Collocation Space,” as to each Site, means: 

(i) The portions of the Land comprising such Site on which any portion of the AT&T Improvements or AT&T
Communications Equipment is located, operated or maintained as of the Effective Date, including the air space above such portion of the Land, to the extent such air space is not occupied by a third party or the Tower or Communications Equipment
owned by Tower Operator on the Effective Date (the “Effective Date Ground Space”). In the event that the Effective Date Ground Space is smaller than the MLA Ground Space at such Site, AT&T Collocator shall have the exclusive
right to occupy an area up to the MLA Ground Space of contiguous and usable ground space, in such configuration as set forth in the applicable Site Lease Agreement (subject to Tower Operator’s approval, not to be unreasonably withheld, delayed
or conditioned, based on the conditions at the Site and safety and engineering considerations) and the air space above such ground space, to the extent such air space 

  
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is not occupied by a Tower or Communications Equipment on such Tower or otherwise by a third party on the Effective Date and such space shall be part of the AT&T Collocation Space (such
space, together with the Effective Date Ground Space, the “AT&T Primary Ground Space”). The AT&T Primary Ground Space at any Site shall be documented in the Site Lease Agreement for such Site. If on the Effective Date, at
any Site there is less than the MLA Ground Space available for AT&T Collocator’s exclusive use within such Site, the AT&T Primary Ground Space at such Site shall be the ground space within such Site occupied by AT&T Collocator on
the Effective Date and any additional available ground space within such Site on the Effective Date, and the AT&T Primary Ground Space (including all dimensions thereof) shall be documented in the Site Lease Agreement for such Site.
Notwithstanding the foregoing, (i) with respect to Sites with less than one thousand five hundred (1,500) square feet of ground space, if there is insufficient ground space at any Site for the use of other Tower Tenants, then upon
obtaining AT&T Collocator’s prior written consent, not to be unreasonably withheld, delayed or conditioned, Tower Operator shall have the right to permit other Tower Tenants to use portions of the AT&T Primary Ground Space (it being
agreed that AT&T Collocator’s intention to use all or a portion of the requested space at any time in the future shall be a reasonable basis to deny such consent), which space shall revert to forming a part of the AT&T Primary Ground
Space if and when such other Tower Tenant’s Collocation Agreement terminates, and (ii) with respect to Sites with less than one thousand (1,000) square feet of ground space, Tower Operator shall have the right to permit such other
Tower Tenants, at their sole cost and expense, to erect ground equipment stacking platforms at least two (2) feet above the top of the ground equipment maintained by AT&T Collocator in the AT&T Primary Ground Space; provided,
however, that (x) such stacking shall not unreasonably interfere with or restrict access to the AT&T Improvements, the AT&T Communications Equipment or the AT&T Primary Ground Space (including the top surface thereof) and
(y) in the event any such stacking requires the relocation or prevents the future placement of an E-911 antenna (or any successor technology thereto) or other ground or shelter or cabinet mounted antennae to permit a direct line of sight to any
applicable satellite, Tower Operator shall make available an alternative location for the same without additional charge to AT&T Collocator and shall relocate the same (if applicable) at Tower Operator’s cost and expense. Any consent of
AT&T Collocator pursuant to the preceding sentence shall require the signature of an Authorized Representative. In the event of any dispute regarding whether any AT&T Collocator consent contemplated pursuant to this paragraph is being
unreasonably withheld, conditioned or delayed, AT&T Collocator shall make available senior representatives of its Network Planning and Engineering group to consult with Tower Operator in an effort to resolve such dispute; 

(ii) The portion(s) of the Tower on such Site on or within which any portion of AT&T Communications
Equipment is located, operated or maintained (including portions of the Tower on which any antennas, transmission lines, amplifiers, filters and other Tower mounted equipment are located) as of the Effective Date, together with the Horizontal Plane
with respect to such AT&T Communications Equipment attached to the AT&T Primary Tower Space RAD Center (the “Effective Date Tower Space”). For clarity, (1) the Effective Date Tower Space, other than the

  
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Horizontal Plane, need not be contiguous, and (2) the Horizontal Plane is one contiguous space located around the AT&T Primary Tower Space RAD Center. In the event AT&T Collocator
occupies less than ten (10) contiguous vertical feet of space on such Tower, AT&T Collocator’s exclusive reserved space on such Tower shall also include any additional and unoccupied vertical space adjacent to the space occupied by
AT&T Collocator as is necessary to provide AT&T Collocator with such ten (10) contiguous vertical feet of space on such Tower on the Effective Date which shall be (x) five (5) contiguous feet of vertical space on each Tower
above and below the AT&T Primary Tower Space RAD Center on such Tower or (y) if a portion of such space is occupied by a Tower Tenant, any ten (10) contiguous vertical feet of space that contains, but is not centered on, the AT&T
Primary Tower Space RAD Center on such Tower (in each case, ten (10) feet of vertical space in total at the AT&T Primary Tower Space RAD Center), together with the Horizontal Plane with respect to such space (the greater of such space and
the Effective Date Tower Space, the “AT&T Primary Tower Space”). Notwithstanding the exclusivity of the AT&T Primary Tower Space, Tower Operator and Tower Tenants and their employees, contractors and agents shall have the
right to enter the AT&T Primary Tower Space at any time, without notice to AT&T Collocator, to access other portions of the Tower and to install, operate, inspect, repair, maintain and replace Cables together with related mounting hardware
and incidental equipment and to install, operate, inspect, repair, maintain, make improvements to and perform work on the Tower, tower-related components and equipment within the AT&T Primary Tower Space. If such additional space is occupied by
a Tower Tenant on the Effective Date or such configuration is prohibited by Law, Tower Operator shall be required to provide only such additional space as is available or allowed by Law, as applicable. Notwithstanding the foregoing, with respect to
Towers that are less than one hundred (100) feet in height, upon obtaining AT&T Collocator’s prior written consent, which consent cannot be unreasonably withheld, delayed or conditioned, Tower Operator shall have the right to install
Communications Equipment of other Tower Tenants within the AT&T Primary Tower Space (it being agreed that AT&T Collocator’s intention to use all or a portion of the requested space at any time in the future shall be a reasonable basis
to deny such consent), which space shall revert to forming a part of the AT&T Primary Tower Space if and when such other Tower Tenant’s Collocation Agreement terminates; provided that such Communications Equipment may not be
installed within the vertical envelope of space then occupied by the primary antenna array of the AT&T Communications Equipment located within the AT&T Primary Tower Space. Any consent of AT&T Collocator pursuant to the preceding
sentence shall require the signature of an Authorized Representative. In the event of any dispute regarding whether any AT&T Collocator consent contemplated pursuant to this paragraph is being unreasonably withheld, conditioned or delayed,
AT&T Collocator shall make available senior representatives of its Network Planning and Engineering group to consult with Tower Operator in an effort to resolve such dispute; 

(iii) Any Additional Ground Space; and 

(iv) Any and all rights pursuant to Section 9(c), Section 9(d), Section 9(g), Section 9(h)
and Section 10 and all appurtenant rights reasonably inferable to 

  
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permit AT&T Collocator’s full use and enjoyment of the AT&T Collocation Space including the rights specifically described in this Section 9, all in accordance with this
Section 9. 
 (b) AT&T Collocator Permitted Use. AT&T Collocator shall use the AT&T Collocation
Space at each Site only for installation, modification, use, operation, repair and replacement of AT&T Collocator’s Communications Facility, including the radio frequency signal generated by the AT&T Communications Equipment to provide
third parties with customary, industry standard roaming or mobile virtual network services. AT&T Collocator shall not use the AT&T Collocation Space at any Site in a manner that would reasonably be expected to materially impair Tower
Operator’s rights or interest in such Site or in a manner that would reasonably make possible a Claim or Claims of adverse possession by the public, as such, or any other Person (other than AT&T Collocator), or of implied dedication of such
AT&T Collocation Space. The AT&T Collocation Space shall be solely for the use of AT&T Collocator and Wholly Owned Affiliates, and except as specifically permitted hereunder (including Section 19(d)), AT&T Collocator (and Wholly
Owned Affiliates) shall have no right to use or occupy any space at any Site other than the AT&T Collocation Space that it occupies from time to time in accordance with the terms of this Agreement nor to share the use of its AT&T Collocation
Space with any Person other than Wholly Owned Affiliates and any Telecom Affiliates as specifically permitted in Section 19(d). AT&T Collocator and Wholly Owned Affiliates shall not use the AT&T Collocation Space or any Communication
Equipment to derive revenue or other benefits from Collocation Operations or to engage in network hosting without entering into a collocation agreement with Tower Operator that permits such use (which collocation agreement must be reasonably
satisfactory to Tower Operator and provide additional compensation to Tower Operator). AT&T Collocator shall cause any Wholly Owned Affiliate that uses the AT&T Collocation Space, but is not itself an AT&T Collocator party to this
Agreement, to comply with the terms and conditions of this Agreement and shall be responsible for such Wholly Owned Affiliate’s use as if such use were AT&T Collocator’s use of the AT&T Collocation Space. 

(c) Reserved Amount of Tower Equipment in AT&T Collocation Space. As to each Site, AT&T Collocator shall have
the right, at any time, to install, maintain, modify, replace and operate anywhere within the AT&T Primary Tower Space on the Tower any Communications Equipment consisting of the greater of (i) antennas (including microwave antennas and
dishes), remote radio units and associated tower mounting equipment having an aggregate Wind Load Surface Area of 27,000 square inches, plus an area with a horizontal cross-section of 34 square inches running from the ground to AT&T
Collocator’s Communications Equipment for Cables, up to an aggregate weight load of 13 pounds per linear foot (which includes any associated conduit piping necessary to encase or protect any such Cables); provided Tower Operator has the
right to approve the placement and configuration of the Cables; or (ii) antennas (including microwave antennas and dishes), remote radio units and associated tower mounting equipment and Cables having an aggregate Wind Load Surface Area that is
not in excess of the aggregate Wind Load Surface Area of the antennas (including microwave antennas and dishes), remote radio units and associated tower mounting equipment and Cables located on the applicable Tower as of the Effective Date (the
greater of (i) and (ii), the “AT&T Reserved Amount of Tower Equipment”). Exhibit E attached hereto contains sample calculations of the Wind Load Surface Area for hypothetical configurations of Communications Equipment;

  
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provided, however, that the example calculations set forth in Exhibit E are intended as examples only and not as a limitation or prescription on the configurations of the actual
AT&T Communications Equipment. The foregoing shall not limit AT&T Collocator’s rights to place in the AT&T Collocation Space on a Tower, panel antennas, Cables or any other Communications Equipment, whether or not of different size,
technology, structural loading characteristics, shape or transmission frequency than that which exists on such Tower on the Effective Date, without any increase in the AT&T Rent Amount, except as required by Section 9(d); provided,
however, that (x) AT&T Collocator shall comply with Tower Operator’s standard application and amendment process set forth in Section 9(e) and (y) such antennas, Cables and other equipment do not exceed the Wind Load
Surface Area of the AT&T Reserved Amount of Tower Equipment. Subject to the foregoing limitations, as to each Site, AT&T Collocator shall have the right from time to time to install, maintain, modify, replace and operate, without any
increase in the AT&T Rent Amount, (i) any Communications Equipment and Improvements that it deems necessary in the AT&T Primary Ground Space and (ii) any Communications Equipment in the AT&T Primary Tower Space that constitutes
AT&T Reserved Amount of Tower Equipment but that does not constitute Additional Equipment pursuant to Section 9(d). Notwithstanding the above, the windloading of Communications Equipment on a Tower for structural capacity and other purposes
shall be determined in accordance with Tower Operator’s standard protocols and procedures for determining effective projected area. Exhibit E attached hereto contains sample calculations of the effective projected area for the hypothetical
configuration of Communications Equipment set forth in Exhibit E. 
 (d) Additional AT&T Communications Equipment in
the AT&T Primary Tower Space. AT&T Collocator may apply (pursuant to Section 9(e)) to Tower Operator to install, maintain, modify, replace and operate Communications Equipment in the AT&T Primary Tower Space in excess of the
AT&T Reserved Amount of Tower Equipment (collectively “Additional Equipment”) if there is sufficient structural load capacity available on the Tower at the time AT&T Collocator applies to install such Additional Equipment.
The application shall be processed and an amendment to the subject Site Lease Agreement shall be executed to document any Additional Equipment or any changes to existing equipment and any subsequent Additional Equipment or changes to any such
subsequent Additional Equipment in accordance with Section 9(e); provided, however, that AT&T Collocator will pay the applicable a la carte price for such Additional Equipment set forth on Exhibit H as an increase to the
AT&T Rent Amount, except that if such Additional Equipment is subsequently removed, AT&T Collocator’s obligation to pay such a la carte price will terminate at the end of the then-current initial or renewal term, as applicable. 

(e) Application and Amendment Process. 

(i) AT&T Collocator’s rights to install and operate any AT&T Communications Equipment at a Site in
addition to or in replacement of the AT&T Communications Equipment existing at the Site as of the Effective Date shall not become effective, and installation of such additional AT&T Communications Equipment or modification of the existing
AT&T Communications Equipment at a Site shall not commence, until the following conditions are satisfied: (A) Tower Operator has received any written consent required under the Ground Lease to allow Tower Operator to permit such
installation or modification, (B) AT&T Collocator has 

  
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submitted to Tower Operator and Tower Operator has approved AT&T Collocator’s application for such installation or modification (such approval not to be unreasonably withheld,
conditioned or delayed) (a “Site Engineering Application”); (C) Tower Operator has received and approved AT&T Collocator’s drawings showing the installation or modification of the AT&T Communications Equipment
(such approval not to be unreasonably withheld, conditioned or delayed); (D) Tower Operator has reviewed and accepted, acting reasonably, all permits required to be obtained by AT&T Collocator for its installation or Modification of the
AT&T Communications Equipment and all required regulatory or Governmental Approvals of AT&T Collocator’s proposed installation or modification at the Site; (E) Tower Operator has received a waiver of any applicable rights of first
refusal in and to the space in which any new equipment shall be located as identified by AT&T Collocator in the Site Engineering Application; (F) any applicable fees relating to the application and amendment process have been paid by
AT&T Collocator in accordance with the practices and pricing existing at such time between the Parties or their Affiliates; and (G) a Site Lease Agreement and an amendment to the Site Lease Agreement have been executed by AT&T
Collocator and Tower Operator has issued a notice to proceed with the proposed installation or modification; provided, however, that if the conditions precedent listed in clauses (A) through (G) of this sentence are satisfied
or determined not to be applicable, then Tower Operator’s approval of the subject Site Engineering Application to install AT&T Communications Equipment that is within the AT&T Reserved Amount of Tower Equipment shall not be unreasonably
withheld, conditioned or delayed; provided, further, that the requirement that Tower Operator be obligated to expend funds in connection with such proposed installation or modification pursuant to the terms of Section 6(a)(ii)(A)
of this Agreement shall not be a reasonable basis for the withholding of its consent. Tower Operator shall evaluate and respond to submissions by AT&T Collocator in a commercially reasonable time period substantially similar to the time period
in which it responds to application requests by other tenants within its portfolio of telecommunications tower sites; provided, however, that if any condition precedent described above is not satisfied within 180 days of the date of
the execution by AT&T Collocator of the amendment of the subject Site Lease Agreement or within such other period as may be specified in the subject amendment of the Site Lease Agreement, Tower Operator and AT&T Collocator shall each have
the right to terminate the subject amendment of the subject Site Lease Agreement (unless the condition precedent is not met because of the actions or omissions of the terminating party, in which case such party shall not have such termination right
unless the failure to terminate would cause a violation of Law or breach of the Ground Lease or any other contract or agreement). The terminating party shall provide notice to the other party in the event that the amendment of the subject Site Lease
Agreement is terminated due to failure to satisfy conditions precedent. Tower Operator shall endeavor to obtain, and AT&T Collocator shall cooperate to assist in obtaining, prompt satisfaction of any conditions precedent. 

(ii) AT&T Collocator must provide Tower Operator with copies of any zoning application or amendment that
AT&T Collocator submits to the applicable zoning authority in relation to its installation or modification of Equipment at a Site at least 72 hours prior to submission to the applicable zoning authority. Tower Operator

  
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also reserves the right, prior to any decision by the applicable zoning authority, to approve or reject any conditions of approval, limitations or other obligations that would apply to the owner
of the Site or property, or any existing or future Tower Tenant, as a condition of such zoning authority’s approval and that would be reasonably likely to reduce the duration of the use of the subject Site or the operations thereon or
materially decrease the value of the Site or its use or impair or impede Tower Operator’s or the Tower Tenants’ operations at the Site, or create a material risk of regulatory violations; provided, however, that Tower
Operator shall not unreasonably reject any conditions of approval if none of the foregoing factors are present in Tower Operator’s judgment and AT&T Collocator agrees to pay the cost of satisfying such conditions of approval. AT&T
Collocator shall be solely responsible for all costs and expenses associated with (i) any zoning application or amendment submitted by AT&T Collocator, (ii) making any improvements or performing any other obligations required as a
condition of approval with respect to same and (iii) any other related expenses. 
 (f) Lease; Appurtenant
Rights. AT&T Collocator and Tower Operator expressly acknowledge that the AT&T Collocation Space at each Site shall be deemed leased to, reserved for or otherwise be made available to AT&T Collocator pursuant to this Agreement, in
each case at each Site for the exclusive possession (subject to Sections 9(a)(i) and 9(a)(ii)) and use by AT&T Collocator, except as otherwise expressly provided herein, whether or not such AT&T Collocation Space is now or hereafter
occupied. AT&T Collocator shall have the right to occupy at all times during the term of the subject Site Lease Agreement, the portions of Land, the Improvements and Tower occupied as of the Effective Date and any additional space constituting
AT&T Collocation Space and to repair, replace and modify any equipment of AT&T Collocator therein or thereon. Tower Operator also grants to AT&T Collocator as to each Site, and AT&T Collocator reserves and shall at all times retain
(for the benefit of AT&T Collocator), subject to the terms of this Agreement, the Ground Leases, the rights of Tower Tenants and applicable Laws: 

(i) Site Access. A non-exclusive right and easement (over the surface of the Site) for ingress to and
egress from the entire Site, and access to the entire Tower, all AT&T Improvements, any Reserved Property and any structures (including Shelters and cabinets) on a Site owned and used, and intended for use, exclusively by AT&T Collocator or
any Affiliate of AT&T Collocator other than in the Collocation Operations, in each case on such Site as of the Effective Date (without regard to any demolition in connection with the planned replacement thereof or substitution therefor with a
similar structure and any period of construction or restoration thereof) or any replacement thereof or substitution therefor with a similar structure, at such times (on a 24-hour, seven day per week basis unless otherwise limited by the Ground
Lease, but subject to giving Tower Operator at least one Business Day’s prior notice or, in the case of an Emergency, as much notice as is practicable, in each case in accordance with Tower Operator’s standard process), to such extent, and
in such means and manners (on foot or by motor vehicle, including trucks and other heavy equipment), as AT&T Collocator (and its authorized contractors, subcontractors, engineers, agents, advisors consultants, representatives, or other persons
authorized by AT&T Collocator) deems reasonably necessary in connection with its full use and enjoyment of the AT&T Collocation Space, including a right to construct, install, use, operate, maintain, repair

  
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and replace all of its equipment now or hereafter located in the applicable AT&T Collocation Space; 

(ii) Tower Access. The right to undertake any activity that involves having AT&T Collocator or its
contractors, subcontractors, engineers, agents, advisors, consultants, representatives, or other Persons authorized by AT&T Collocator climb the Tower at any Site, including any portion of the Tower leased to or occupied by a Tower Tenant;
provided, however, that AT&T Collocator must ensure that any such Person must work for a vendor approved by Tower Operator; provided further that AT&T Collocator shall, except in the event of an Emergency, give
Tower Operator at least one Business Day’s prior written notice of its intention to exercise such right; 

(iii) Storage. The right, exercisable during periods in which AT&T Collocator is actively performing
work at the Site, to use any unoccupied portion of the ground space at the applicable Site (even if leased to but then unoccupied by a Tower Tenant) for purposes of temporary location and storage of any of its equipment and for performing any
repairs or replacements; provided, however, that AT&T Collocator shall be required to remove any of its stored Communications Equipment on any unoccupied portion of the Site that is not part of the AT&T Collocation Space upon
10 days’ prior written notice from Tower Operator if such unoccupied portion of the Site is under sublease or other occupancy arrangement with a Tower Tenant that is prepared to take occupancy of such portion of the Site or is otherwise
required for use by Tower Operator for work or storage at such Site; and 
 (iv) Utility Lines. A
non-exclusive right and easement for the use, operation, maintenance, repair and replacement of all utility lines, Cables and all equipment and appurtenances located on the Site and providing electrical, gas and any other utility service to
AT&T’s Communications Facility on the Site, which right and easement includes the right of AT&T Collocator and its agents, employees and contractors to enter upon the Site (including any portion of the Site leased to or occupied by a
Tower Tenant) to repair, maintain and replace such utility facilities. AT&T Collocator shall have the absolute right to contract with any utility service providers it elects, from time to time, for utility services. 

(g) Maintenance. AT&T Collocator shall, at all times during the Term as to any Site, at AT&T Collocator’s
sole cost and expense, keep and maintain AT&T Communications Equipment and AT&T Improvements in a structurally safe and sound condition and in working order, in accordance with the general standard of care in the telecommunications industry,
subject to Tower Operator’s obligations with respect to the maintenance, repair and reinforcement of the Included Property hereunder. 

(h) No Obligation With Respect to Communications Facility. In addition to, and not in limitation of any right of
AT&T Collocator under Section 3, and notwithstanding anything in this Agreement to the contrary, without limiting or diminishing AT&T Collocator’s payment obligations hereunder in any manner, including its obligation to pay the
AT&T Rent Amount, AT&T Collocator shall not have any obligation to occupy or to operate a Communications Facility on the AT&T Collocation Space of any Site, and AT&T Collocator 

  
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shall have the right, exercisable at any time during the Term as to any Site, to cease occupying or operating AT&T’s Communications Facility on the AT&T Collocation Space of such
Site, and retain its right to such AT&T Collocation Space. 
 (i) Restoration. AT&T Collocator shall restore
any property damage (normal wear and tear excepted) to any Site or appurtenant property or any access roads thereto caused, following the Effective Date, by motor vehicles, trucks or heavy equipment of AT&T Collocator or any of its employees,
agents, contractors or designees. If such restoration work is not performed by AT&T Collocator within thirty (30) days after written notice from Tower Operator (or if not capable of being performed within such 30-day period, then within a
reasonable period of time, provided that AT&T Collocator is actively and diligently pursuing completion of such restoration work), Tower Operator may, but shall not be obligated to, perform such work on behalf of and for the account of AT&T
Collocator, and AT&T Collocator shall reimburse Tower Operator for the actual and reasonable costs of such restoration work within 30 days after Tower Operator delivers to AT&T Collocator a written invoice therefor, together with reasonable
evidence of the incurrence of such costs. For the avoidance of doubt, any damage caused by AT&T Collocator to any Site or appurtenant property or access roads and any failure by AT&T Collocator to cure such damage as required hereby, shall
not constitute a breach of or default by Tower Operator under this Agreement or give rise to any obligation by Tower Operator to indemnify AT&T Collocator’s Indemnitees under this Agreement. 

(j) Waiver. Tower Operator agrees to and does hereby waive and relinquish any lien of any kind and any and all rights,
statutory or otherwise, including levy, execution and sale for unpaid rents, that Tower Operator may have or obtain on or with respect to any AT&T Communications Equipment or AT&T Improvements which shall be deemed personal property for the
purposes of this Agreement, whether or not the same is real or personal property under applicable Law. 
 (k)
Obstructions. Except to the extent prohibited by applicable Law and in a manner consistent with the general standard of care in the tower industry, Tower Operator shall prevent and eliminate obstructions on a Site that prevent AT&T
Collocator from having access to repair and replace all of the AT&T Communications Equipment and AT&T Improvements (including related Cables) or from being able to fully open any equipment cabinet doors in such space and repair and replace
equipment therein. 
 (l) Relocation of Certain AT&T Improvements. Tower Operator shall be permitted, upon at
least ninety (90) days’ prior written notice to AT&T Collocator and subject to AT&T Collocator’s consent, not to be unreasonably withheld, conditioned or delayed, to relocate from one portion of a Site outside the AT&T
Primary Ground Space to another suitable portion of such Site outside the AT&T Primary Ground Space, any structures or improvements related to the wireline, backhaul, access, retail or other non-wireless business of any AT&T Group Member
(excluding any mobile telephone switching office and the switching and related equipment and any other permanent structure on a Site set forth on Exhibit K), at Tower Operator’s sole cost and expense. 

SECTION 10. Right of Substitution. If at any time during the Term there is any Available Space at any Site, then
AT&T Collocator shall have the Right of Substitution as to 

  
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such Available Space. The Right of Substitution pursuant to this Section 10 may be exercised by AT&T Collocator one time with respect to the AT&T Primary Tower Space and one time
with respect to the AT&T Primary Ground Space of each Site, upon written notice to Tower Operator, subject to the application and amendment process described in Section 9(e) and provided that Tower Operator shall be entitled to perform in
its reasonable discretion a structural analysis, at AT&T Collocator’s sole cost and expense, prior to such exercise of a Right of Substitution. If AT&T Collocator elects to exercise its Right of Substitution, then, upon completion of
the relocation of the AT&T Communications Equipment on the Tower or the Ground, as the case may be, at AT&T Collocator’s expense, the previously existing AT&T Collocation Space of the applicable Site shall automatically be released
by AT&T Collocator and concurrently therewith, the Available Space on such Site to which the AT&T Communications Equipment has been relocated shall automatically become and constitute the AT&T Collocation Space of such Site. The parties
shall promptly execute an amendment to the applicable Site Lease Agreement to evidence any such substitution, and either party may elect to cause such amendment to be recorded at the recording party’s cost and expense (but AT&T
Collocator’s exercise of the Right of Substitution shall not be conditioned on the execution of such amendment). AT&T Collocator shall, at AT&T Collocator’s cost and expense, complete the relocation of its AT&T Communications
Equipment within sixty (60) days of the execution of the amendment to the subject Site Lease Agreement following the exercise of its Right of Substitution and return the previously existing AT&T Collocation Space to its original condition,
ordinary wear and tear excepted. If AT&T Collocator exercises its Right of Substitution as to any Available Space, then, upon execution of the amendment to the subject Site Lease Agreement, such Available Space shall become the AT&T
Collocation Space and the former AT&T Collocation Space shall no longer be AT&T Collocation Space for all purposes of this Agreement. For the avoidance of doubt, the exercise of a Right of Substitution by AT&T Collocator shall not permit
AT&T Collocator to attach the AT&T Communications Equipment on a Tower at more than one RAD center on such Tower at any time; provided, that if such AT&T Collocator occupies more than one RAD center on such Tower as of the
Effective Date, such AT&T Collocator shall not attach the AT&T Communications Equipment on such Tower to more than the same number of RAD centers as it occupied on such Tower as of the Effective Date. 

SECTION 11. Additional Ground Space; Required Consents. 

(a) Additional Ground Space. Without limitation of AT&T Collocator’s rights under Section 9(a)(i), if
AT&T Collocator deems it necessary to obtain additional ground space (“Additional Ground Space”) to accommodate AT&T Collocator’s needs at any Site, AT&T Collocator and Tower Operator shall cooperate to determine
the availability of such space and negotiate the lease of such additional space if available on such Site or determine how to secure such additional space if it is not available at such Site and shall follow Tower Operator’s standard
application and amendment process as described in Section 9(e). If Tower Operator determines in its reasonable discretion that such Additional Ground Space is currently available with respect to such Site, Tower Operator and AT&T Collocator
shall enter into an amendment to the applicable Site Lease Agreement setting forth the terms under which AT&T Collocator shall lease any Additional Ground Space, which shall be negotiated by the Parties in good faith at the time AT&T deems
it necessary to obtain such Additional Ground Space. Tower Operator shall be entitled to an increase in the AT&T Rent Amount from AT&T Collocator only if and to the extent the Additional Ground Space (i) includes space that was not
previously part of the Site 

  
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as of the Effective Date, unless and only to the extent Tower Operator previously leased unused AT&T Primary Ground Space to another Tower Tenant pursuant to Section 9(a)(i) and only to
the extent of such portion of AT&T Primary Ground Space leased to such Tower Tenant or (ii) exceeds the MLA Ground Space. In each case, such increase in the AT&T Rent Amount shall be in an amount in accordance with the a la carte price
set forth in Exhibit H. 
 (b) Required Ground Lessor and Governmental Consents. If the installation of any AT&T
Communications Equipment, AT&T Improvement or any Tower Modification that AT&T Collocator desires to make (other than Modifications that are at Tower Operator’s cost pursuant to Section 6(a)(ii)(A)) requires a Governmental Approval
or the consent, approval, obtaining a zoning variance, or other action of a Ground Lessor or any other Person, as applicable, AT&T Collocator shall be responsible for obtaining the same at its sole cost and expense. If the installation of any
Communications Equipment, Improvement or any Tower Modification that Tower Operator desires to make (or any Modification at Tower Operator’s cost pursuant to Section 6(a)(ii)(A)) requires a Governmental Approval or the consent, approval,
obtaining a zoning variance, or other action of a Ground Lessor or any other Person, as applicable, Tower Operator shall be responsible for obtaining the same at its sole cost and expense or at the cost and expense of the applicable Tower Tenant.
Tower Operator and AT&T Collocator each agree to coordinate with the other Party to obtain such Governmental Approvals at the expense of the requesting Party. 

SECTION 12. Limitations on Liens. AT&T Collocator shall not create or incur (and shall cause its Affiliates,
contractors and their subcontractors not to create or incur) any Lien (other than Permitted Liens) against all or any part of any Site, in each case as a result of their actions or omissions. If any such Lien (other than Permitted Liens) is filed
against all or any part of any Site as a result of the acts or omissions of AT&T Collocator or any of its Affiliates, contractors or their subcontractors, AT&T Collocator shall cause the same to be promptly discharged by payment,
satisfaction or posting of bond within 30 days after receiving written notice of the same from Tower Operator; provided, however, that AT&T Collocator need not discharge a Lien the validity of which AT&T Collocator contests
provided that (i) such Lien is not reasonably likely to cause a default under any Ground Lease, (ii) no portion of the Site is subject to imminent danger of loss or forfeiture by virtue of or by reason of such Lien, (iii) AT&T
Collocator or its Affiliate provides Tower Operator, upon Tower Operator’s request, with an indemnity reasonably satisfactory to Tower Operator assuring the discharge of AT&T Collocator’s obligations for such Lien, including interest
and penalties, and (iv) AT&T Collocator is diligently contesting the same by appropriate legal proceedings in good faith and at its own expense. If AT&T Collocator fails to cause any such Lien (other than Permitted Liens) to be
discharged as required by the preceding sentence, Tower Operator shall have the right, but not the obligation, to cause such Lien to be discharged and may pay the amount of such Lien in order to do so. If Tower Operator makes any such payment, all
amounts paid by Tower Operator shall be payable by AT&T Collocator to Tower Operator within 30 days after Tower Operator delivers a written invoice to AT&T Collocator for the same. 

  
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 SECTION 13. Tower Operator Indemnity; AT&T Collocator Indemnity;
Procedure For All Indemnity Claims. 
 (a) Tower Operator Indemnity. 

(i) Without limiting Tower Operator’s other obligations under this Agreement, Tower Operator agrees to
indemnify, defend and hold each AT&T Indemnitee harmless from, against and in respect of any and all Claims that arise out of or relate to: 

(A) any default, breach or nonperformance by Tower Operator of its obligations and covenants under this
Agreement; 
 (B) the (x) ownership or (y) use, operation, maintenance or occupancy (other than
the use, operation, maintenance or occupancy by any AT&T Indemnitee), in each case, of any part of a Non-Assignable Site from and after the Effective Date, including all obligations that relate to or arise out of any Ground Lease from and after
the Effective Date; 
 (C) any work at a Site performed by or at the direction of a Tower Operator
Indemnitee; 
 (D) the acts or omissions of a Tower Operator Indemnitee or any of its engineers, contractors
or subcontractors; and 
 (E) all brokers, agents and other intermediaries alleging a commission, fee or
other payment to be owing by reason of their respective dealings, negotiations or communications with Tower Operator and its Affiliates, agents, employees, engineers, contractors, subcontractors, licensees or invitees in connection with this
Agreement. 
 Notwithstanding the foregoing, Tower Operator will not be obliged to indemnify, defend and hold the AT&T Indemnitees
harmless from, against and in respect of Claims arising from or relating to any default, breach or nonperformance of any term of this Agreement that requires Tower Operator to comply in all respects with any applicable Law (including, for the
avoidance of doubt, any applicable Environmental Law) or any Ground Lease if (1) Tower Operator complies with such Law or such Ground Lease, as applicable, in all material respects and (2) no claims, demands, assessments, actions, suits,
fines, levies or other penalties have been asserted against or imposed on AT&T Collocator by any Governmental Authority as a result of Tower Operator’s non-compliance in all respects with such Law or by the applicable Ground Lessor as a
result of Tower Operator’s non-compliance in all respects with such Ground Lease. 
 (ii) Tower Operator
further agrees to indemnify, defend and hold each AT&T Indemnitee harmless under any other provision of this Agreement which expressly provides that Tower Operator shall indemnify, defend and hold harmless any AT&T Indemnitee with respect to
the matters covered in such provision. 
 (b) AT&T Collocator Indemnity. 

(i) Without limiting AT&T Collocator’s other obligations under this Agreement, AT&T Collocator
agrees to indemnify, defend and hold each Tower Operator Indemnitee harmless from, against and in respect of any and all Claims that arise out of or relate to: 

  
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 (A) any default, breach or nonperformance of its obligations and
covenants under this Agreement; 
 (B) any AT&T Indemnitee’s ownership, use, operation, maintenance
or occupancy of any AT&T Communications Equipment or any portion of any Site (including the AT&T Collocation Space and any Reserved Property) in violation of the terms of this Agreement or any applicable Ground Lease; 

(C) any work at a Site performed by or at the direction of an AT&T Indemnitee (but not including any work
at any Site that Tower Operator is required to perform pursuant to this Agreement that AT&T Collocator elects to perform under Section 24); 

(D) the acts or omissions of an AT&T Indemnitee or any of their respective engineers, contractors or
subcontractors; and 
 (E) all brokers, agents and other intermediaries alleging a commission, fee or other
payment to be owing by reason of their respective dealings, negotiations or communications with AT&T Collocator or its agents, employees, engineers, contractors, subcontractors, licensees or invitees in connection with this Agreement. 

(ii) AT&T Collocator further agrees to indemnify, defend and hold each Tower Operator Indemnitee harmless
under any other provision of this Agreement which expressly provides that AT&T Collocator shall indemnify, defend and hold harmless any Tower Operator Indemnitee with respect to the matters covered in such provision. 

(c) Indemnification Claim Procedure. 

(i) Any Indemnified Party shall promptly notify the Party or Parties alleged to be obligated to indemnify (the
“Indemnifying Party”) in writing of any relevant pending or threatened Claim by a third party (a “Third Party Claim”), describing in reasonable detail the facts and circumstances with respect to the subject matter
of the Claim; provided, however, that delay in providing such notice shall not release the Indemnifying Party from any of its obligations under Section 13(a) or Section 13(b), except to the extent (and only to the extent) the
delay actually and materially prejudices the Indemnifying Party’s ability to defend such Claim. 
 (ii)
The Indemnifying Party may assume and control the defense of any Third Party Claim with counsel selected by the Indemnifying Party that is reasonably acceptable to the Indemnified Party by accepting its obligation to defend in writing and agreeing
to pay defense costs (including reasonable out-of-pocket attorney’s fees and expenses) within 30 days of receiving notice of the Third Party Claim. If the Indemnifying Party declines, fails to respond to the notice, or fails to assume defense
of the Third Party Claim within such 30-day period, then the Indemnified Party may control the defense and the Indemnifying Party shall pay all 

  
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reasonable out-of-pocket defense costs as incurred by the Indemnified Party. The Party that is not controlling the defense of the Third Party Claim shall have the right to participate in the
defense and to retain separate counsel at its own expense. The Party that is controlling the defense shall use reasonable efforts to inform the other Party about the status of the defense. The Parties shall cooperate in good faith in the defense of
any Third Party Claim. Notwithstanding the foregoing, the Indemnifying Party shall not be entitled to assume the defense of any Third Party Claim (and shall be liable for the reasonable out-of-pocket fees and expenses of counsel incurred by the
Indemnified Party in defending such Third Party Claim) if the Third Party Claim seeks an order, injunction or other equitable relief or relief for other than money damages against the Indemnified Party that the Indemnified Party reasonably
determines, after conferring with its outside counsel, cannot reasonably be separated from any related claim for money damages. If such equitable relief or other relief portion of the Third Party Claim can be so separated from that for money
damages, the Indemnifying Party shall be entitled to assume the defense of the portion relating to money damages. 

(iii) The Indemnifying Party shall not consent to a settlement of, or the entry of any judgment arising out of
or in connection with, any Third Party Claim, without the consent of any Indemnified Party; provided, however, that the Indemnified Party shall not withhold its consent if such settlement or judgment involves solely the payment of
money, without any finding or admission of any violation of Law or admission of any wrongdoing. The Indemnifying Party shall pay or cause to be paid all amounts arising out of such settlement or judgment concurrently with the effectiveness of such
settlement and obtain, as a condition of any settlement or judgment, a complete and unconditional release of each relevant Indemnified Party from any and all liability in respect of such Third Party Claim. 

(iv) For indemnification Claims other than Third Party Claims, the Indemnified Party promptly shall notify the
Indemnifying Party in writing of any Claim for indemnification, describing in reasonable detail the basis for such Claim. Within 30 days following receipt of this notice, the Indemnifying Party shall respond, stating whether it disputes the
existence or scope of an obligation to indemnify the Indemnified Party under this Section 13. If the Indemnifying Party does not respond within 30 days, the Indemnified Party shall send a second notice to the Indemnifying Party, marked at the
top in bold lettering with the following language: “A RESPONSE IS REQUIRED WITHIN FIVE (5) BUSINESS DAYS OF RECEIPT OF THIS NOTICE PURSUANT TO THE TERMS OF A MASTER LEASE AGREEMENT WITH THE UNDERSIGNED AND FAILURE TO RESPOND SHALL RESULT
IN YOUR RIGHT TO OBJECT BEING WAIVED” and the envelope containing the request must be marked “PRIORITY”. If the Indemnifying Party does not notify the Indemnified Party within such 5 Business Days after the receipt of such second
notice that the Indemnifying Party disputes its liability to the Indemnified Party under Section 13(a) or Section 13(b), as applicable, such Claim specified by the Indemnified Party in such notice shall be conclusively deemed a liability
of the Indemnifying Party under Section 13(a) or Section 13(b), as applicable, and the Indemnifying Party shall pay the amount of such Claim to the Indemnified Party on demand or, in the case of any notice in which the amount of the Claim
(or any portion thereof) is estimated, on such later date 

  
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when the amount of such claim (or such portion thereof) becomes finally determined. If the Indemnifying Party timely disputes the existence or scope of an obligation to indemnify for the Claim,
it shall explain in reasonable detail the basis for the dispute. If the Parties disagree on the scope or existence of an indemnification obligation for the Claim, management representatives of the Indemnified Party and the Indemnifying Party shall
meet or confer by telephone within 20 Business Days in an attempt in good faith to resolve such dispute. If such Persons are unable to resolve the dispute, either Party may act to resolve the dispute in accordance with Section 32(b). 

(d) During the Term, for any dispute or litigation that arises during the Term in connection with any Ground Lessor, Ground
Lease, Collocation Agreement, Tower Tenant or any other issue relating to the operation of the Sites (collectively, “Disputes”), Tower Operator shall have the right to control, prosecute, settle or compromise such Disputes;
provided, however, that Tower Operator shall not settle or compromise such Disputes (i) for which Tower Operator is seeking a claim for indemnification under the Master Agreement except in compliance with the terms, conditions and
procedures set forth in the Master Agreement or (ii) if the settlement or compromise involves an admission of any violation of Law or admission of wrongdoing by AT&T Collocator, without AT&T Collocator’s consent, which may be
granted or withheld in AT&T Collocator’s sole discretion. 
 SECTION 14. Waiver of Subrogation;
Insurance. 
 (a) Mutual Waiver of Subrogation. To the fullest extent permitted by applicable Law, Tower Operator
and AT&T Collocator each hereby waives any and all rights of recovery, claim, action or cause of action against the other and the other’s Affiliates, for any loss or damage that occurs or is claimed to occur to its property at any Site, by
reason of any cause insured against, or required to be insured against, by the waiving party under the terms of this Agreement, regardless of cause or origin. In addition, Tower Operator and AT&T Collocator shall each ensure that any property
insurance policy it carries with respect to each Site shall provide that the insurer waives all rights of recovery, claim, action or cause of action by way of subrogation against any other Party with respect to Claims for damage to property covered
by such policy. 
 (b) Tower Operator Insurance. Tower Operator shall procure, and shall maintain in full force and
effect at all times during the Term as to such Site, the following types of insurance with respect to such Site, including the Tower and Improvements on such Site (but excluding AT&T Communications Equipment or any other Tower Tenant’s
Communications Equipment), paying as they become due all premiums for such insurance (it being understood that the insurance required under this Section 14(b) does not represent all coverage or limits necessary to protect Tower Operator or a
limitation of Tower Operator’s liability to AT&T Collocator pursuant to this Agreement): 
 (i)
commercial general liability insurance, written on Insurance Services Office (ISO) Form CG 00 01 or its equivalent, insuring against all liability of Tower Operator (including actions of Tower Operator’s officers, employees, agents, licensees
and invitees conducting business on its behalf) arising out of, by reason of or in connection with the use, occupancy or maintenance of each Site (including Tower 

  
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and the Improvements), in an amount of $1.0 million for bodily injury or property damage or as a result of one occurrence, and $2.0 million for bodily injury or property damage in the aggregate.
With respect to any policy written on a “claims-made” or “extended discovery” basis, Tower Operator will maintain coverage as to a Site for two years following the Term of this Agreement or the completion of all work associated
with this Agreement, whichever is later; 
 (ii) umbrella or excess liability insurance with limits of $25.0
million per occurrence and in the aggregate; 
 (iii) property insurance (in an amount of $100.0 million in
the aggregate for all Sites and Sale Sites) against direct and indirect loss or damage by fire and all other casualties and risks covered under “all risk” insurance respecting the Tower and Improvements (but excluding any AT&T
Communications Equipment and AT&T Improvements); provided that this Section 14(b)(iii) may be satisfied through a blanket policy of insurance that applies to other locations that are not Sites; 

(iv) workers’ compensation insurance affording statutory coverage for all employees of Tower Operator and
any employees of its Affiliates performing activities on all Sites, with employer’s liability coverage with a minimum limit of $1.0 million each accident, by disease-policy limit, and each employee; 

(v) commercial automobile liability insurance, including coverage for all owned, hired and non-owned
automobiles. The amount of such coverage shall be $1.0 million combined single limit for each accident and for bodily injury and property damage; 

(vi) earthquake insurance (for Sites located in areas historically known for earthquake activity) in an amount
equal to the replacement value of the Site and the Included Property at the Site; and 
 (vii) any other
insurance required under the terms of the applicable Ground Lease. 
 (c) AT&T Collocator Insurance. For each
Site, AT&T Collocator shall procure, and shall maintain in full force and effect at all times during the Term as to such Site, the following types of insurance with respect to its AT&T Collocation Space at such Site, paying as they become
due all premiums for such insurance: 
 (i) Commercial general liability insurance insuring against all
liability of AT&T Collocator and its officers, employees, agents, licensees and invitees arising out of, by reason of or in connection with the use, occupancy or maintenance of the AT&T Collocation Space of such Site, in an amount of $1.0
million for bodily injury or property damage or as a result of one occurrence, and $2.0 million for bodily injury or property damage in the aggregate; 

(ii) Umbrella or excess liability insurance with limits of $5.0 million per occurrence and in the aggregate;

  
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 (iii) Workers’ compensation insurance affording statutory
coverage for all employees of AT&T Collocator and any employees of its Affiliates performing activities on all Sites, with employer’s liability coverage with a minimum limit of $1.0 million each accident, by disease-policy limit, and each
employee; and 
 (iv) Commercial automobile liability insurance, including coverage for all owned, hired and
non-owned automobiles. The amount of such coverage shall not be less than $1.0 million combined single limit for each accident and for bodily injury and property damage. 

(d) Insurance Premiums; Additional Insureds and Notice of Cancellation. Tower Operator and AT&T Collocator shall
each pay all premiums for the insurance coverage which such Party is required to procure and maintain under this Agreement. Each insurance policy maintained by Tower Operator and AT&T Collocator (i) shall name the other Party as an
additional insured if such insurance policy is for liability insurance (other than any workers’ compensation policies) or a loss payee if such insurance policy is for property insurance; and (ii) shall provide that the insurer gives 30
days’ written notice of cancellation, except for non-payment of premium. Regardless of the prior notice of cancellation required of the insurer(s), each party agrees to provide the other with at least 20 days’ written notice of
cancellation of any and all policies of insurance required by this Agreement. Tower Operator and AT&T Collocator shall deliver to the other a certificate or certificates of insurance evidencing the existence of all required insurance and
applicable endorsements with respect to each Site that such Party is required to maintain hereunder, such delivery to be made promptly after such insurance is obtained (but not later than the Effective Date) and prior to the expiration date of any
such insurance. 
 (e) Insurer Requirements. All policies of insurance required under this Section 14 shall be
written on companies rated “A-VII” or better by AM Best or a comparable rating and licensed in the state where the applicable Site to which such insurance applies is located. 

(f) Other Insurance. Tower Operator and AT&T Collocator each agrees that it shall not, on its own initiative or
pursuant to the request or requirement of any Tower Tenant or other Person, take out separate insurance concurrent in form or contributing in the event of loss with that required to be carried by it pursuant to this Section 14, unless the other
is named in the policy as an additional insured or loss payee, if and to the extent applicable. Tower Operator and AT&T Collocator shall each immediately notify the other whenever any such separate insurance is taken out by it and shall deliver
to the other original certificates evidencing such insurance. 
 (g) AT&T Collocator’s Right to Self-Insure.
AT&T Collocator shall be entitled to identify one or more types and strata of insurable risk with respect to which AT&T Collocator is required hereunder to obtain and maintain insurance coverage and, in lieu of obtaining and maintaining
insurance with respect to such types and strata of risk, AT&T Collocator may self-insure such risks (including through an Affiliate of AT&T Collocator) in accordance with this Section 14. 

SECTION 15. Estoppel Certificate. Tower Operator and AT&T Collocator each, from time to time upon 10 Business
Days’ prior request by the other, shall execute, acknowledge 

  
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and deliver to the other, or to a Person designated by the other, a certificate stating that this Agreement is unmodified and in full effect (or, if there have been modifications, that this
Agreement is in full effect as modified, and setting forth such modifications) and the dates to which the AT&T Rent Amount and other sums payable under this Agreement have been paid, and either stating that to the knowledge of the signer of such
certificate no default exists under this Agreement or specifying each such default of which the signer has knowledge. The Party requesting such certificate shall, at its cost and expense, cause such certificate to be prepared for execution by the
requested Party. Any such certificate may be relied upon by any prospective Mortgagee or purchaser of any portion of a Site. 

SECTION 16. Assignment and Transfer Rights. 

(a) Tower Operator Assignment and Transfer Rights. 

(i) Without the prior written consent of AT&T Collocator, Tower Operator may not assign this Agreement or
any of Tower Operator’s rights, interests, duties or obligations under this Agreement in whole or in part to any Person; provided that AT&T Collocator’s consent shall not be required if the assignee is not an AT&T Collocator
Competitor and (x) meets the Assumption Requirements and is a Qualified Tower Operator (as defined below), (y) meets the Assumption Requirements and is an Affiliate of Tower Operator or (z) is a successor Person of Tower Operator by
way of merger, consolidation or other reorganization or by the operation of law or a Person acquiring all or substantially all of the assets of Tower Operator. For the avoidance of doubt, and notwithstanding anything to the contrary contained in
this Agreement, nothing herein shall affect or impair (i) Tower Operator’s ability to transfer any revenue, rents, issues or profits derived from the Sites (including under or pursuant to this Agreement or any Collocation Agreements) or
its rights to receive the same, (ii) Tower Operator’s ability to incur, grant or permit to exist any Liens on any revenue, rents, issues or profits derived from the Sites (including under or pursuant to this Agreement or any Collocation
Agreement), (iii) the ability of any parent company of Tower Operator to pledge any equity interests in Tower Operator, (iv) Tower Operator’s ability, subject to any required consent of any Ground Lessor, to enter into Mortgages or
Liens in favor of any Tower Operator Lender (in which case such Tower Operator Lender shall have the right to exercise remedies under any such Mortgage or Lien in a manner consistent with the provisions of this Agreement and any Collateral
Agreement) or (v) Tower Operator’s right, subject to any required consent of any Ground Lessor and otherwise in accordance with the terms of this Agreement, to lease, sublease, license or otherwise make available Available Space to Tower
Tenants. A “Qualified Tower Operator” means a tower operator that has, or that is owned or managed by Persons who have, a good business reputation and at least five (5) years’ experience in the management and operation of
communication towers in the United States. 
 (ii) Tower Operator shall deliver to AT&T Collocator
documentation reasonably satisfactory to it confirming that any party to which Tower Operator assigns any of its duties and obligations hereunder in accordance with this Agreement shall, from and after the date of any such assignment, assume all
such duties and obligations 

  
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to the extent of any such assignment. 
 (iii) If Tower
Operator assigns, in accordance with this Agreement, its rights, interests, duties or obligations under this Agreement with respect to less than all of the Sites, the Parties hereto shall, simultaneously therewith, enter into such agreements as are
reasonably necessary to appropriately bifurcate the rights, interests, duties and obligations of Tower Operator under this Agreement. 

(iv) Tower Operator hereby agrees that any attempt of Tower Operator to assign its interest in this Agreement,
in whole or in part, in violation of this Section 16 shall constitute a default under this Agreement and shall be null and void ab initio. 

(b) AT&T Collocator Assignment and Transfer Rights. 

(i) AT&T Collocator may not, without the prior written consent of Tower Operator, assign this Agreement or
any of its rights, duties or obligations under this Agreement, including its rights, duties or obligations under this Agreement with respect to any Site or the AT&T Collocation Space at such Site, to any Person or, except as permitted under
Section 19(d), sublease or grant concessions or other rights for the occupancy or use of the AT&T Collocation Space to any Person; provided that Tower Operator’s consent shall not be required if the assignee assumes and agrees
to perform all obligations of the assigning party hereunder and is (A) an Affiliate of AT&T Collocator, (B) a successor Person by way of merger, consolidation, or other reorganization or by operation of law or to any Person acquiring
substantially all of the assets of AT&T Collocator or (C) is a wireless communications end user that intends to use the AT&T Collocation Space for its own wireless communications business and that enters into an agreement and consent
with Tower Operator that is reasonably satisfactory to Tower Operator (collectively, an “AT&T Assignee,” and such assignment, an “AT&T Transfer”). In the case of clause (C) of the preceding sentence, an
agreement and consent entered into by an AT&T Assignee and Tower Operator substantially in the form of Exhibit F hereto shall be deemed to be reasonably satisfactory to Tower Operator. 

(ii) If AT&T Collocator effects an AT&T Transfer, then, (x) in the case of an AT&T Transfer by
any AT&T Collocator to a Qualifying Transferee or (y) in the case of an AT&T Transfer by an AT&T Collocator other than AT&T Primary Collocator, the obligations of AT&T Collocator with respect to the AT&T Collocation
Space that is the subject of the AT&T Transfer shall cease and terminate, and Tower Operator shall look only and solely to the Person that is the Qualifying Transferee (and in the case of an AT&T Transfer described in clause (y) above,
to AT&T Guarantor pursuant to Section 33) of AT&T Collocator’s interest in and to the AT&T Collocation Space for performance of all of the duties and obligations of AT&T Collocator under this Agreement with respect to such
AT&T Collocation Space from and after the date of the AT&T Transfer. Otherwise, in the event of any AT&T Transfer, AT&T Collocator shall remain liable under this Agreement for the performance of AT&T Collocator’s duties and
obligations hereunder as to such applicable AT&T Collocation 

  
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Space that is the subject of the AT&T Transfer. As used herein, “Qualifying Transferee” means any Person (a) with a rating of BBB- (stable) or higher from
Standard & Poor’s Ratings Services (or any successor thereto) or Baa3 (stable) or higher from Moody’s Investor Services (or any successor thereto), (b) with a credit rating from one of the aforementioned rating agencies
equivalent to or higher than the then-current credit rating, if any, of AT&T Guarantor or (c) approved by Tower Operator, such approval not to be unreasonably withheld, conditioned or delayed. 

(iii) In no event shall AT&T Collocator assign any of its rights, interests, duties or obligations under
this Agreement (including use of the AT&T Collocation Space) with respect to less than the entirety of the AT&T Collocation Space at any Site. 

(iv) AT&T Collocator shall deliver to Tower Operator documentation reasonably satisfactory to Tower
Operator confirming that any party to which AT&T Collocator assigns any of its duties and obligations hereunder in accordance with this Agreement shall, from and after the date of any such assignment, assume all such duties and obligations of
AT&T Collocator under this Agreement to the extent of any such assignment (provided that AT&T Collocator’s delivery of documentation substantially in the form of Exhibit F hereto shall be deemed to be reasonably satisfactory to
Tower Operator). 
 (v) AT&T Guarantor may not, without the prior written consent of Tower Operator,
assign this Agreement or any of its rights, duties or obligations under this Agreement, including under Section 33, to any Person; provided that Tower Operator’s consent shall not be required in the case of an assignment by AT&T
Guarantor of this Agreement to a successor Person of AT&T Guarantor by way of merger, consolidation or other business combination or a sale of all or substantially all of the assets of AT&T Guarantor if such successor Person or Person
acquiring all or substantially all of the assets of AT&T Guarantor executes documentation reasonably satisfactory to Tower Operator assuming the obligations of AT&T Guarantor hereunder and becomes “AT&T Guarantor” for all
purposes hereunder. Each of AT&T Guarantor and AT&T Collocator hereby agrees that any attempt of AT&T Guarantor or AT&T Collocator to assign its interest in this Agreement or any of its rights, duties or obligations under this
Agreement, in whole or in part, in violation of this Section 16(b) shall constitute a default under this Agreement and shall be null and void ab initio. 

(vi) In the event of any AT&T Transfer or other disposition by AT&T Collocator of its interest in the
AT&T Collocation Space to any Person that is a Tower Operator Competitor, all rights of AT&T Collocator relating to, and the associated obligations of Tower Operator with respect to, the AT&T Reserved Amount of Tower Equipment and the
Reserved AT&T Loading Capacity shall automatically terminate and in no event shall such rights transfer to or otherwise benefit such Person. 

  
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 SECTION 17. Environmental Covenants. 

(a) Tower Operator Environmental Covenants. Tower Operator covenants and agrees that it shall carry on its business and
operations at each Site in compliance with all applicable Environmental Laws. 
 (b) AT&T Collocator Environmental
Covenants. AT&T Collocator covenants and agrees that, from and after the Effective Date, as to each Site upon which it leases or otherwise uses or occupies any AT&T Collocation Space (i) AT&T Collocator shall not conduct or
allow to be conducted upon any such AT&T Collocation Space of any Site any business operations or activities, or employ or use an AT&T Collocation Space of any Site, to generate, manufacture, refine, transport, treat, store, handle, dispose
of, transfer, produce, or process Hazardous Materials; provided, however, that AT&T Collocator shall have the right to bring, use and keep on the AT&T Collocation Space of any Site in customary quantities and in compliance with
all applicable Laws, batteries, generators and associated fuel tanks and other Hazardous Materials commonly used in the telecommunications industry reasonably necessary for the operation and maintenance of each AT&T Collocation Space of any Site
or that are being used at the relevant Site on the Effective Date; (ii) AT&T Collocator shall carry on its business and operations on the AT&T Collocation Space of any Site in compliance with, and shall remain in compliance with, all
applicable Environmental Laws unless non-compliance results from the acts or omissions of Tower Operator or any Tower Tenant; (iii) AT&T Collocator shall not create or permit to be created any Lien against any Site for the costs of any
response, removal or remedial action or clean-up of Hazardous Materials unless non-compliance results from the acts or omissions of Tower Operator or any Tower Tenant; (iv) to the extent such Hazardous Materials were deposited by AT&T
Collocator or any of its Affiliates, agents, employees, engineers, contractors or subcontractors, AT&T Collocator shall promptly conduct and complete all investigations, studies, sampling and testing, and all remedial, removal, and other actions
necessary to clean up and remove all such Hazardous Materials on, from or affecting each Site in accordance with, and to the extent necessary to comply with, all applicable Environmental Laws; and (v) AT&T Collocator shall promptly notify
Tower Operator in writing if AT&T Collocator receives any notice, letter, citation, order, warning, complaint, claim or demand that (A) AT&T Collocator has violated, or is about to violate, any Environmental Law, (B) there has been
a release or there is a threat of release, of Hazardous Materials at or from the AT&T Collocation Space of, or otherwise affecting, any Site, (C) AT&T Collocator may be or is liable, in whole or in part, for the costs of cleaning up,
remediating, removing or responding to a release of Hazardous Materials, or (D) the AT&T Collocation Space of any Site or the Site is subject to a Lien in favor of any Governmental Authority for any liability, cost or damages under any
Environmental Law. To the extent requested by Tower Operator, AT&T Collocator agrees to provide copies of all material safety data sheets for approved Hazardous Materials brought to any Site and annual inventories of such Hazardous Materials
present at any Site to Tower Operator, no later than November 30th of each year. In addition to any other notification to Tower Operator required pursuant to this Agreement, AT&T Collocator must provide notice to Tower Operator of any above
ground or underground storage tank installed by AT&T Collocator at any Site and provide copies of registration documents to Tower Operator, if registration is required by the governing state agencies. AT&T Collocator shall promptly notify
Tower Operator of any release of Hazardous Materials at any Site upon obtaining knowledge of such release. 

  
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 SECTION 18. Taxes; Fees. 

(a) AT&T Collocator shall pay Tower Operator for all sales Taxes or Taxes in the nature of sales Taxes (including Taxes
such as the Arizona privilege Tax and the New Mexico gross receipts Tax) with respect to any rent payments under this Agreement; provided, however, that AT&T Collocator shall not be responsible for such sales Taxes with respect to
rent payments unless (i) Tower Operator invoices AT&T Collocator for such sales Taxes under this Section 18(a) within 6 months (or, in the case of any rent payments billed within 12 months from the Effective Date, 12 months) after the
billing date for the corresponding rent payment or (ii) the liability for such Tax is based on an administrative ruling or judicial decision that occurs after the end of such 6- or 12-month period, as applicable. In the case of clause
(ii) of the preceding sentence, Tower Operator shall promptly give notice to AT&T Collocator of the applicable ruling or decision and give AT&T Collocator a reasonable opportunity to contest its liability for the Tax. 

(b) Tower Operator represents that any AT&T Rent Amount received by Tower Operator from AT&T Collocator with respect
to Sites located in Puerto Rico shall be treated as effectively connected with Tower Operator’s conduct of a trade or business in Puerto Rico within the meaning of Section 1123(f) of the Puerto Rico Internal Revenue Code of 1994, as
amended, and Section 1035.05 of the Puerto Rico Internal Revenue Code of 2011, as in effect on the date hereof or subsequently amended (the “PRIRC”). Tower Operator acknowledges that, to the extent any AT&T Rent Amount
received by Tower Operator from AT&T Collocator with respect to Sites located in Puerto Rico is not effectively connected with Tower Operator’s conduct of a trade or business in Puerto Rico, such AT&T Rent Amount shall be subject to
Puerto Rico withholding Tax at the applicable rate set forth in Section 1062.11 of the PRIRC, as amended from time to time, including any successor legislation thereto. 

(c) Unless specified in this Agreement (including in Section 9(e)(i)(F) or the exhibits hereto), no unilateral fees or
additional costs or expenses are to be applied by either Party to the other Party, including, but not limited to, the review of plans, structural analyses, consents, the provision of documents or other communications between the Parties. 

SECTION 19. Use of Easements and Utilities; Backhaul Services. 

(a) Subject to any conditions in the applicable Ground Lease and in any applicable easements, AT&T Collocator and any
Person providing wireless or wireline communications that is an Affiliate of AT&T Collocator (“Telecom Affiliate”) shall have the right to use (i) any existing or future easements benefiting the Land, (ii) any existing
or future facilities for access to the Land and the Site and (iii) any existing or future facilities for utilities available to Tower Operator under the Ground Lease, in each case for the sole purpose of supporting the services described in
Section 19(d) and only to the extent such use does not materially adversely affect the use of such easements or facilities by Tower Operator or another Tower Tenant. In obtaining easements, facilities for access and facilities for utilities
from and after the Effective Date, Tower Operator shall use commercially reasonable efforts to negotiate the terms of the same so that they are available for use by AT&T Collocator. Subject to any conditions in the applicable Ground Lease and in
any applicable easements and to any approval of Tower Operator required under this Agreement, AT&T Collocator shall have the right to 

  
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modify, improve and install, at its own expense, wires, Cables, conduits, pipes and other facilities on, over, under and across the Land or in any easement benefiting the Land, for the benefit of
the AT&T Communications Equipment. If any easement benefiting the Land is insufficient for AT&T Collocator’s use under this Section 19, then Tower Operator shall cooperate with AT&T Collocator to attempt to obtain easement
rights from the Ground Lessor or adjacent property owner sufficient for AT&T Collocator’s use and at no additional cost to Tower Operator. 

(b) Tower Operator shall provide AT&T Collocator with access to any POTS telephone or other utility services at a Site
that are available for use at AT&T Collocator’s sole cost and expense. As among AT&T Collocator and all new Tower Tenants, Tower Operator shall cause utility charges to be separately metered. AT&T Collocator shall pay to the
applicable utility service provider the charges for all separately metered utility services used by AT&T Collocator at each Site in the operation of AT&T’s Communications Facility at such Site. Notwithstanding the foregoing provisions
of this Section 19, if the applicable utility service provider shall not render a separate bill for AT&T Collocator’s usage, AT&T Collocator shall reimburse Tower Operator monthly for AT&T Collocator’s actual metered usage
at the rate charged to Tower Operator by the applicable utility service provider, or if Tower Operator is prohibited from installing a separate meter to measure AT&T Collocator’s usage, AT&T Collocator may use Tower Operator’s
utility sources to provide utility service to the Communications Facility, and AT&T Collocator shall reimburse Tower Operator monthly for AT&T Collocator’s actual usage at the rate charged to Tower Operator by the applicable service
provider (and Tower Operator and AT&T Collocator agree to cooperate in determining a method by which to measure or estimate AT&T Collocator’s usage if the usage is not capable of actual measurement); provided, however,
that AT&T Collocator shall not be responsible for any utility bill unless Tower Operator notifies AT&T Collocator of such amount within 12 months after the applicable billing date. Notwithstanding anything to the contrary provided herein,
Tower Operator shall have no obligation to provide, maintain or pay for utility services related to AT&T Communications Equipment. AT&T Collocator shall pay for all utility services utilized by AT&T Collocator and its Affiliates in its
operations at each Site prior to delinquency. 
 (c) If not prohibited by applicable Laws, AT&T Collocator shall allow
Tower Operator to use AT&T Collocator’s power sources at all Sites with tower lighting systems, solely for the purpose of providing electrical power for Tower Operator’s light monitoring equipment on such Site and to maintain Tower
lighting on such Site as required under this Agreement and applicable Law, and subject to the terms of the Transition Services Agreement; provided that AT&T Collocator shall have no liability to Tower Operator for any outage,
unavailability or insufficiency of electrical power at any time. Connecting Tower Operator’s light monitoring equipment to AT&T Collocator’s electrical power source (unless necessary as a result of an increase in the height of a Tower
due to a Modification made at the request of AT&T Collocator) shall be at Tower Operator’s sole cost and expense. Notwithstanding the foregoing, at any Site where Tower Operator uses AT&T Collocator’s power sources, Tower Operator
may continue to use such AT&T Collocator power sources in consideration of a monthly payment of $50.00 per Site, subject to an increase of 2% on an annual basis during the Term of this Agreement on the first day of the calendar month following
the one year anniversary of the Effective Date and each one-year anniversary thereafter. Tower Operator may connect to its own power source and stop using AT&T Collocator’s power source at any time, upon which its obligation to make such

  
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monthly payments shall cease following written notice of the same to AT&T Collocator. Notwithstanding anything to the contrary contained herein, Tower Operator is not required to obtain its
own power source for lighting and monitoring equipment if lighting at a Site is not required under applicable Law (including approvals granted by any local zoning board) or other existing written agreement. 

(d) Tower Operator hereby acknowledges and agrees that AT&T Collocator may engage a Telecom Affiliate to provide
telecommunications services to AT&T Collocator, including POTS, Fiber, Ethernet or other access or backhaul services, at no charge by Tower Operator to AT&T Collocator or Telecom Affiliate for the benefit of the AT&T Collocation
Equipment at such Site. AT&T Collocator’s utility connection point for such services at such Site shall be established on a common H-frame or other equipment configuration, in a location not to exceed 48 inches by 48 inches, to be mutually
agreed upon by AT&T Collocator, Tower Operator and the Telecom Affiliate. If other Tower Tenants order Telecom Affiliate services, such Tower Tenants shall be permitted to use the H-frame or other
equipment configuration at AT&T Collocator’s sole discretion upon notice to Tower Operator and without additional charge to AT&T Collocator or Telecom Affiliate. Tower Operator acknowledges that AT&T Collocator and Telecom Affiliate
may install equipment designed for a multi-tenant environment, and Tower Operator agrees not to restrict Telecom Affiliate in its ability to provide ordered services to additional Tower Tenants at the same connection point for the benefit of such
Tower Tenants’ Communications Equipment at such Site. Notwithstanding the foregoing, nothing in this Section 19(d) shall prohibit Tower Operator from charging such Tower Tenants for any equipment, access or ground space (provided such
space is not otherwise licensed to AT&T Collocator or such Tower Tenant) required for such Tower Tenant to connect to the Telecom Affiliate’s services. 

SECTION 20. Compliance with Law; Governmental Permits. 

(a) Tower Operator shall, at its own cost and expense, obtain and maintain in effect all Governmental Approvals required or
imposed by Governmental Authorities. Tower Operator shall comply with all applicable Laws in connection with the operation and maintenance of the Included Property of each Site (including the Tower on such Site). Tower Operator shall conduct annual
inspections of all Sites with lighted Towers; provided that until the requisite waiver from the FCC has been obtained by the applicable AT&T Ground Lease Party with respect to any Non-Assignable Site, Tower Operator shall conduct
quarterly inspections of all Non-Assignable Sites with lighted Towers of such AT&T Ground Lease Party. AT&T Collocator shall, at its own cost and expense, comply with all applicable Laws in connection with its use of each Site. Each AT&T
Lessor agrees, promptly after the conversion of the Tower monitoring system at the Non-Assignable Sites to Tower Operator’s network operations center, to petition the FCC to waive its rights to quarterly inspection of all lighted Towers of such
AT&T Lessor for which such waiver has not already been obtained. 
 (b) Tower Operator shall, at Tower Operator’s
cost and expense, obtain and maintain in effect all Governmental Approvals from the FAA and FCC relating to the operation and maintenance of each Site. 

  
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 (c) Tower Operator shall, at its own cost and expense, reasonably cooperate with
AT&T Collocator or its Affiliates in their efforts to obtain and maintain in effect any Governmental Approvals from the FCC and to comply with any Laws applicable to the AT&T Communications Equipment and the AT&T Collocation Space.
Without limiting the generality of the immediately preceding sentence, Tower Operator shall, at its own cost and expense and in a commercially reasonable time period, provide to AT&T Collocator any documentation in its possession or control that
may be necessary for or reasonably requested by AT&T Collocator to comply with all FCC reporting requirements relating to the AT&T Communications Equipment and the AT&T Collocation Space. 

(d) Notwithstanding anything herein to the contrary, Tower Operator shall have no obligation to provide any information
necessary for AT&T Collocator to obtain any Governmental Approval relating to the AT&T Communications Equipment itself (e.g., FCC type certification). 

(e) AT&T Collocator shall reasonably cooperate with Tower Operator in Tower Operator’s efforts to provide information
required by Governmental Authorities and to comply with all Laws applicable to each Site. 
 SECTION 21. Compliance
with Specific FCC Regulations. 
 (a) Tower Operator understands and acknowledges that Tower Tenants are engaged in the
business of operating Communications Equipment at each Site. The Communications Equipment is subject to the rules, regulations, decisions and guidance of the FCC, including those regarding exposure by workers and members of the public to the radio
frequency emissions generated by AT&T Communications Equipment. Tower Operator acknowledges that such regulations prescribe the permissible exposure levels to emissions from the Communications Equipment which can generally be met by maintaining
safe distances from such Communications Equipment. To the extent Tower Operator is required to do so under applicable FCC rules, regulations, decisions and guidance, Tower Operator shall use commercially reasonable efforts to install, or require the
Tower Tenants to install, at its or their expense, such marking, signage or barriers to restrict access to any Site as is necessary in order to comply with the applicable FCC rules, regulations, decisions and guidance with respect to Communications
Equipment other than AT&T Communications Equipment, and with respect to AT&T Communications Equipment, AT&T Collocator shall install same. Tower Operator further agrees to post, or to require the Tower Tenants to post, prominent signage
as may be required by applicable Law or by the order of any Governmental Authority at all points of entry to each Site regarding the potential RF emissions, with respect to Communications Equipment other than AT&T Communications Equipment, and
with respect to AT&T Communications Equipment, AT&T Collocator shall install same. Tower Operator shall cooperate in good faith with AT&T Collocator to minimize any confusion or unnecessary duplication that could result in similar
signage being posted with respect to any AT&T Communications Equipment at or near any Site in respect of any AT&T Collocation Space on such Site. 

(b) From and after the Effective Date, AT&T Collocator shall cooperate (and cause its Affiliates to cooperate) with each
Tower Tenant with respect to each Site regarding compliance with applicable FCC rules, regulations, decisions and guidance. 

  
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 (c) AT&T Collocator acknowledges and agrees that AT&T Communications
Equipment at each Site is subject to the rules, regulations, decisions and guidance of the FCC, including those regarding exposure by workers and members of the public to the radio frequency emissions generated by AT&T Communications Equipment,
and AT&T Collocator agrees to comply (and AT&T Collocator shall cause its Affiliates to comply) with all FCC rules, regulations, decisions and guidance and all other applicable Laws. AT&T Collocator acknowledges that such rules,
regulations, decisions and guidance prescribe the permissible exposure levels to emissions from its Communications Equipment, which can generally be met by maintaining safe distances from such Communications Equipment. AT&T Collocator shall
install at its expense such marking, signage, or barriers to restrict access to any AT&T Communications Equipment on a Site in respect of any AT&T Collocation Space on such Site as AT&T Collocator deems necessary in order to comply with
the applicable FCC rules, regulations, decisions and guidance. AT&T Collocator shall cooperate in good faith with Tower Operator to minimize any confusion or unnecessary duplication that could result in similar signage being posted with respect
to any AT&T Communications Equipment at or near any Site in respect of any AT&T Collocation Space on such Site. AT&T Collocator, at its option, may also install signage at any Site identifying AT&T’s Communications Facility at
such Site and providing for contact information in the case of an Emergency. 
 (d) AT&T Collocator further agrees to
alert all personnel working at or near each Site, including AT&T Collocator’s maintenance and inspection personnel, to maintain the prescribed distance from the Communications Equipment and to otherwise follow the posted instructions of
Tower Operator. 
 (e) The Parties acknowledge that AT&T Collocator (or an Affiliate thereof) is licensed by the FCC to
provide telecommunications and wireless services and that the Sites are used to directly or indirectly provide those services. Nothing in this Agreement shall be construed to transfer control of any FCC authorization held by AT&T Collocator (or
an Affiliate thereof) to Tower Operator with respect to telecommunications services provided by AT&T Collocator or its Affiliates, to allow Tower Operator to in any manner control the AT&T Communications Equipment, or to limit the right of
AT&T Collocator (or an Affiliate thereof) to take all necessary actions to comply with its obligations as an FCC licensee or with any other legal obligations to which it is or may become subject (subject to the other terms of this Agreement with
respect to actions AT&T Collocator or its Affiliates may take with respect to a Site). 

  
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 SECTION 22. Holding Over. If during the Term of this Agreement
AT&T Collocator remains in possession of the AT&T Collocation Space at any Site after expiration or termination of AT&T Collocator’s lease of or other right to use and occupy the AT&T Collocation Space at such Site without any
express written agreement by Tower Operator, then AT&T Collocator shall be a month-to-month tenant with the monthly AT&T Rent Amount equal to 150% of the monthly AT&T Rent Amount last applicable to the AT&T Collocation Space and
subject to all of the other terms set forth in this Agreement (including with respect to any increase in the applicable AT&T Rent Amount pursuant to Section 4(a)), except that such month-to-month tenancy shall be terminable by either Party
on thirty (30) days’ notice (subject to the provisions of Section 3). 
 SECTION 23. Rights of Entry
and Inspection. AT&T Collocator shall permit Tower Operator and Tower Operator’s representatives to conduct visual inspections of AT&T Communications Equipment located on the Tower in accordance with the general standard of care in
the tower industry to ascertain compliance with the provisions of this Agreement. Tower Operator may visually inspect, but shall not be entitled to have any access to, any enclosed AT&T Communications Equipment. Nothing in this Section 23
shall imply or impose any duty or obligation upon Tower Operator to enter upon any Site at any time for any purpose, or to inspect AT&T Communications Equipment at any time, or to perform, or pay the cost of, any work that AT&T Collocator or
its Affiliates is required to perform under any provision of this Agreement, and Tower Operator has no such duty or obligation. 

SECTION 24. Right to Act for Tower Operator. In addition to and not in limitation of any other right or remedy
AT&T Collocator may have under this Agreement, if Tower Operator fails to make any payment or to take any other action when and as required under this Agreement in order to correct a condition the continued existence of which is imminently
likely to cause bodily injury or injury to property or have a material adverse effect on the ability of AT&T Collocator to operate the AT&T Communications Equipment at any Site, then subject to the following sentence, AT&T Collocator
may, without demand upon Tower Operator and without waiving or releasing Tower Operator from any duty, obligation or liability under this Agreement, make any such payment or take any such other action required of Tower Operator (other than
performing work on a Tower), in each case in compliance with applicable Law in all material respects and in a manner consistent with the general standard of care in the tower industry. Unless Tower Operator’s failure results in or relates to an
Emergency, AT&T Collocator shall give Tower Operator at least 10 Business Days’ prior written notice of AT&T Collocator’s intended action and Tower Operator shall have the right to cure such failure within such 10 Business Day
period unless the same is not able to be remedied in such 10 Business Day period, in which event such 10 Business Day period shall be extended, provided that Tower Operator has commenced such cure within such 10 Business Day period and continuously
prosecutes the performance of the same to completion with due diligence. No prior notice shall be required in the event of an Emergency. AT&T Collocator may pay all incidental costs and expenses incurred in exercising its rights under this
Agreement, including reasonable attorneys’ fees and expenses, penalties, re-instatement fees, late charges, and interest. An amount equal to 120% of the total amount of the costs and expenses incurred by AT&T Collocator in accordance with
this Section 24 shall be due and payable by Tower Operator upon demand and bear interest at the rate of the lesser of (A) the Prime Rate or (B) 10% per annum from the date five days after demand until paid by Tower Operator. 

  
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 SECTION 25. Defaults and Remedies. 

(a) AT&T Collocator Events of Default. The following events constitute events of default by AT&T Collocator:

 (i) In respect of this Agreement or any Site Lease Agreement, AT&T Collocator fails to timely pay any
portion of the AT&T Rent Amount, and any such failure continues for fifteen (15) Business Days after receipt of written notice from Tower Operator of such failure; 

(ii) AT&T Collocator fails to timely pay any other amount payable hereunder not constituting a portion of
the AT&T Rent Amount, and such failure continues for fifteen (15) Business Days after receipt of written notice from Tower Operator of such failure; 

(iii) AT&T Collocator violates or breaches any material term of this Agreement in respect of any Site, and
AT&T Collocator fails to cure such breach or violation within thirty (30) days of receiving written notice thereof from Tower Operator specifying such breach or violation in reasonable detail, or, if the violation or breach cannot be cured
within 30 days (other than a failure to pay money), fails to take steps to cure such violation or breach within such 30 days and act continuously and diligently to complete the cure of such breach or violation within a reasonable time thereafter;
provided that if any such default causes Tower Operator to be in default under any Collocation Agreement existing prior to the Effective Date, the 30 day period referenced above in this Section 25(a)(iii) shall be reduced to such
lesser time period as Tower Operator notifies such AT&T Collocator in writing that Tower Operator has to comply under such Collocation Agreement; 

(iv) A Bankruptcy Event occurs with respect to AT&T Primary Collocator, or AT&T Primary Collocator
rejects its rights to sublease or other right by AT&T Primary Collocator to use and occupy any Site under Section 365 of the Bankruptcy Code; or 

(v) A Bankruptcy Event occurs with respect to any AT&T Collocator other than AT&T Primary Collocator,
or any AT&T Collocator other than AT&T Primary Collocator rejects its rights to sublease or other right by such AT&T Collocator to use and occupy any Site under Section 365 of the Bankruptcy Code. 

(b) Tower Operator Remedies With Respect to AT&T Collocator Defaults; AT&T Collocator Cure Rights. 

(i) Upon the occurrence of any event of default by AT&T Collocator under Section 25(a)(i) or
Section 25(a)(ii), Tower Operator may deliver to AT&T Collocator a second notice of default marked at the top in bold lettering with the following language: “A RESPONSE IS REQUIRED WITHIN 15 BUSINESS DAYS OF RECEIPT OF THIS NOTICE
PURSUANT TO THE TERMS OF A MASTER LEASE AGREEMENT WITH THE UNDERSIGNED AND FAILURE TO RESPOND MAY RESULT IN TERMINATION OF YOUR RIGHTS” and the envelope 

  
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containing the request must be marked “PRIORITY”. If AT&T Collocator does not cure the event of default within 15 Business Days after delivery of such second notice, then
(x) Tower Operator may terminate this Agreement as to the lease or other use and occupancy of the AT&T Collocation Space only as to those Sites leased, used or occupied by AT&T Collocator with respect to which such event of default is
occurring, and (y) accelerate all unpaid payments of the AT&T Rent Amount for the remainder of the then-current initial term or renewal term, as applicable, as to those Sites leased, used or occupied by AT&T Collocator with respect to
which such event of default is occurring. Termination with respect to the affected Site or Sites, as applicable, shall be effective 30 days after AT&T Collocator’s receipt of the termination notice; provided, however, that
this Agreement shall otherwise remain in full force and effect; provided, further, that if AT&T Collocator pays the accelerated amount described in clause (y) of the immediately preceding sentence within 30 days of receipt of
the termination notice, AT&T Collocator shall be deemed to have cured such default and this Agreement shall continue in full force and effect with respect to the affected Site or Sites, except that AT&T Collocator shall have no further
obligation to pay the AT&T Rent Amount to the extent already paid with respect to such Site(s) for the remainder of the then-current initial term or renewal term, as applicable. 

(ii) Upon the occurrence of any event of default by AT&T Collocator under Section 25(a)(iii), Tower
Operator may deliver to AT&T Collocator a second notice of default marked at the top in bold lettering with the following language: “A RESPONSE IS REQUIRED WITHIN 15 BUSINESS DAYS OF RECEIPT OF THIS NOTICE PURSUANT TO THE TERMS OF A MASTER
LEASE AGREEMENT WITH THE UNDERSIGNED AND FAILURE TO RESPOND MAY RESULT IN TERMINATION OF YOUR RIGHTS” and the envelope containing the request must be marked “PRIORITY”. If AT&T Collocator does not cure the event of default within
15 Business Days after delivery of such second notice, Tower Operator may terminate this Agreement as to the applicable Site and AT&T Collocator’s lease or other use and occupancy of the AT&T Collocation Space at such Site by giving
AT&T Collocator written notice of termination, and this Agreement shall be terminated as to the applicable Site and as to the applicable AT&T Collocation Space, 30 days after AT&T Collocator’s receipt of such termination notice;
provided; however, that this Agreement shall otherwise remain in effect. 
 (iii) Upon the
occurrence of any event of default by AT&T Primary Collocator under Section 25(a)(iv), Tower Operator may terminate this Agreement as to the lease or other use and occupancy of the AT&T Collocation Space at any or all Sites leased, used
or occupied by AT&T Collocator by giving AT&T Collocator written notice of termination, and this Agreement shall be terminated as to such Sites 30 days after AT&T Collocator’s receipt of such termination notice. 

(iv) Upon the occurrence of any event of default by AT&T Collocator (other than AT&T Primary
Collocator) under Section 25(a)(v), Tower Operator may terminate this Agreement as to the lease or other use and occupancy of the AT&T Collocation Space at any or all Sites leased, used or occupied by the AT&T Collocator that is the
subject of the Bankruptcy Event or rejection (but not any Site leased, used or 

  
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occupied by any other AT&T Collocator) by giving AT&T Collocator written notice of termination, and this Agreement shall be terminated as to such Sites 30 days after AT&T
Collocator’s receipt of such termination notice. 
 (v) Notwithstanding anything to the contrary
contained herein, if AT&T Collocator is determined pursuant to Section 25(g) to be in default, then AT&T Collocator shall have 20 days following such determination to initiate a cure of such default and so long as such cure is
diligently completed, an event of default with respect to AT&T Collocator shall not be deemed to have occurred. 
 (c)
Tower Operator Events of Default. The following events constitute events of default by Tower Operator: 

(i) Tower Operator fails to timely pay any amount payable hereunder, and such failure continues for fifteen
(15) Business Days after receipt of written notice from AT&T Collocator of such failure; 
 (ii)
Tower Operator violates or breaches any material term of this Agreement in respect of any Site, and Tower Operator fails to cure such breach or violation within thirty (30) days of receiving written notice thereof from AT&T Collocator
specifying such breach or violation in reasonable detail, or, if the violation or breach cannot be cured within 30 days (other than a failure to pay money), fails to take steps to cure such violation or breach within such 30 days and act diligently
to complete the cure of such violation or breach within a reasonable time thereafter; or 
 (iii) A
Bankruptcy Event occurs with respect to Tower Operator; or the lease to AT&T Collocator or other right by AT&T Collocator to use and occupy the AT&T Collocation Space is rejected by Tower Operator under Section 365 of the Bankruptcy
Code. 
 Notwithstanding anything to the contrary contained herein, no event of default shall be deemed to occur and exist
under this Agreement as a result of a violation or breach by Tower Operator of (i) any term of this Agreement that requires Tower Operator to comply in all respects with any applicable Law (including, for the avoidance of doubt, any applicable
Environmental Law) or any Ground Lease if (x) Tower Operator complies with such Law or such Ground Lease, as applicable, in all material respects and (y) no claims, demands, assessments, actions, suits, fines, levies or other penalties
have been asserted against or imposed on AT&T Collocator by any Governmental Authority as a result of Tower Operator’s non-compliance in all respects with such Law or by the applicable Ground Lessor as a result of Tower Operator’s
non-compliance in all respects with such Ground Lease and (ii) Section 5(a), Section 6, Section 8(a), Section 8(c), Section 17, Section 20 or Section 21 if such violation or breach arises out of or relates to
any event, condition or occurrence that occurred prior to, or is in existence as of, the Effective Date unless such violation or breach has not been cured on or prior to the first anniversary of the Effective Date; provided, however,
that if AT&T Collocator gives Tower Operator notice of any event, condition or occurrence giving rise to an obligation of Tower Operator to repair, maintain or modify a Tower under Section 6(a), or Tower Operator otherwise obtains knowledge
thereof, Tower Operator shall remedy such event, condition or 

  
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occurrence in accordance with its standard protocol and procedures for remedying similar events, conditions or occurrences with respect to its portfolio of telecommunications tower sites (taking
into account whether such event, condition or occurrence is deemed an emergency, a priority or a routine matter in accordance with Tower Operator’s then current practices). 

(d) AT&T Collocator Remedies. 

(i) Upon the occurrence of any event of default by Tower Operator under Section 25(c)(i) or
Section 25(c)(ii) in respect of any Site, AT&T Collocator may deliver to Tower Operator a second notice of default marked at the top in bold lettering with the following language: “A RESPONSE IS REQUIRED WITHIN 15 BUSINESS DAYS OF
RECEIPT OF THIS NOTICE PURSUANT TO THE TERMS OF A MASTER LEASE AGREEMENT WITH THE UNDERSIGNED AND FAILURE TO RESPOND MAY RESULT IN TERMINATION OF YOUR RIGHTS” and the envelope containing the request must be marked “PRIORITY”. If Tower
Operator does not cure the event of default within 15 Business Days after delivery of such second notice, AT&T Collocator may terminate this Agreement as to such Site by giving Tower Operator written notice of termination, and this Agreement
shall be terminated as to such Site 30 days after Tower Operator’s receipt of such termination notice; provided, however, that this Agreement shall otherwise remain in full force and effect. 

(ii) Upon the occurrence of any event of default by Tower Operator under Section 25(c)(iii), AT&T
Collocator may terminate this Agreement as to any Sites by giving Tower Operator written notice of termination; termination with respect to the affected Site shall be effective 30 days after Tower Operator’s receipt of such termination notice;
provided, however, that this Agreement shall otherwise remain in full force and effect. 

(iii) Notwithstanding anything to the contrary contained herein, if Tower Operator is determined pursuant to
Section 25(g) to be in default, then Tower Operator shall have 20 days following such determination to initiate a cure of such default and so long as such cure is diligently completed, an event of default with respect to Tower Operator shall
not be deemed to have occurred. 
 (e) Force Majeure. In the event that either party shall be delayed, hindered in or
prevented from the performance of any act required hereunder by reason of events of Force Majeure, or any delay caused by the acts or omissions of the other party in violation of this Agreement, then the performance of such act (and any related
losses and damages caused the failure of such performance) shall be excused for the period of delay and the period for performance of any such act shall be extended for a period equivalent to the period required to perform as a result of such delay.

 (f) No Limitation on Remedies. AT&T Collocator or Tower Operator, as applicable, may pursue any remedy or
remedies provided in this Agreement or any remedy or remedies provided for or allowed by law or in equity, separately or concurrently or in any combination, including (i) specific performance or other equitable remedies, (ii) money damages
arising out of such default or (iii) in the case of Tower Operator’s default, AT&T Collocator may 

  
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perform, on behalf of Tower Operator, Tower Operator’s obligations under the terms of this Agreement and seek reimbursement pursuant to Section 24. 

(g) Arbitration. Notwithstanding anything in this Agreement to the contrary, any Party receiving notice of a default or
termination under this Agreement may, within ten (10) days after receiving the notice, initiate arbitration proceedings to determine the existence of any such default or termination right. Such arbitration proceedings shall be conducted in
accordance with and subject to the rules and practices of The American Arbitration Association under its Commercial Arbitration Rules from time to time in force. There shall be three (3) arbitrators, selected in accordance with the rules of The
American Arbitration Association under its Commercial Arbitration Rules. A decision agreed on by two (2) of the arbitrators shall be the decision of the arbitration panel. Such arbitration panel conducting any arbitration hereunder shall be
bound by, and shall not have the power to modify, the provisions of this Agreement. During the pendency of such arbitration proceedings, the notice and cure periods set forth in this Section 25 shall be tolled and the Party alleging the default
may not terminate this Agreement on account of such alleged event of default. Nothing in this Section 25(g) is intended to be or to be construed as a waiver of a Party’s right to any remedy set forth elsewhere in this Agreement or that may
not be enforced by means of arbitration, including, without limitation, the rights of set off, injunctive relief and specific performance. 

(h) Remedies Not Exclusive. Unless expressly provided herein, a Party’s pursuit of any one or more of the remedies
provided in this Agreement shall not constitute an election of remedies excluding the election of another remedy or other remedies, a forfeiture or waiver of any amounts payable under this Agreement as to the applicable Site by such Party or waiver
of any relief or damages or other sums accruing to such Party by reason of the other Party’s failure to fully and completely keep, observe, perform, satisfy and comply with all of the agreements, terms, covenants, conditions, requirements,
provisions and restrictions of this Agreement. 
 (i) No Waiver. Either Party’s forbearance in pursuing or
exercising one or more of its remedies shall not be deemed or construed to constitute a waiver of any event of default or of any remedy. No waiver by either Party of any right or remedy on one occasion shall be construed as a waiver of that right or
remedy on any subsequent occasion or as a waiver of any other right or remedy then or thereafter existing. No failure of either Party to pursue or exercise any of its powers, rights or remedies or to insist upon strict and exact compliance by the
other Party with any agreement, term, covenant, condition, requirement, provision or restriction of this Agreement, and no custom or practice at variance with the terms of this Agreement, shall constitute a waiver by either Party of the right to
demand strict and exact compliance with the terms and conditions of this Agreement. Except as otherwise provided herein, any termination of this Agreement pursuant to this Section 25, or partial termination of a Party’s rights hereunder,
shall not terminate or diminish any Party’s rights with respect to the obligations that were to be performed on or before the date of such termination. 

(j) Continuing Obligations. Any termination by Tower Operator of AT&T Collocator’s rights with respect to any
or all Sites pursuant to Section 25(b) shall not diminish or limit any obligation of AT&T Collocator to pay the AT&T Rent Amount (or any component 

  
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thereof) provided for herein or any other amounts with respect to such Site(s), in each case, unless already paid pursuant to Section 25(b)(i) or otherwise. 

(k) Notice Parties. Notices of default or termination delivered pursuant to this Section 25 shall not be effective
unless delivered to each of the Persons required by Section 32(e) pursuant to the terms thereof. 
 SECTION 26.
Quiet Enjoyment. Tower Operator covenants that AT&T Collocator shall, subject to the terms and conditions of this Agreement, peaceably and quietly hold and enjoy the AT&T Collocation Space at each Site and shall have the right
provided herein to operate its equipment at each Site without hindrance or interruption from Tower Operator. 

SECTION 27. No Merger. There shall be no merger of this Agreement or any leasehold interest or estate created by
this Agreement in any Site with any superior estate held by a Party by reason of the fact that the same Person may acquire, own or hold, directly or indirectly, both the leasehold interest or estate created by this Agreement in any Site and such
superior estate; and this Agreement shall not be terminated, in whole or as to any Site, except as expressly provided in this Agreement. Without limiting the generality of the foregoing provisions of this Section 27, there shall be no merger of
the leasehold interest or estate created by this Agreement in Tower Operator in any Site with any underlying fee interest that Tower Operator may acquire in any Site that is superior or prior to such leasehold interest or estate created by this
Agreement in Tower Operator. 
 SECTION 28. Broker and Commission. 

(a) All negotiations in connection with this Agreement have been conducted by and between Tower Operator and AT&T
Collocator and their respective Affiliates without the intervention of any Person or other party as agent or broker other than TAP Advisors and J.P. Morgan Securities LLC (the “Financial Advisors”), which are advising AT&T
Parent in connection with this Agreement and related transactions and which shall be paid solely by AT&T Parent. 
 (b)
Each of Tower Operator and AT&T Collocator warrants and represents to the other that there are no broker’s commissions or fees payable by it in connection with this Agreement by reason of its respective dealings, negotiations or
communications other than the advisor’s fees payable to the Financial Advisors which shall be payable by AT&T Parent. Each of Tower Operator and AT&T Collocator agrees to indemnify and hold harmless the other from any and all damage,
loss, liability, expense and claim (including but not limited to attorneys’ fees and court costs) arising with respect to any such commission or fee which may be suffered by the indemnified Party by reason of any action or agreement of the
indemnifying Party. 
 SECTION 29. Recording of Memorandum of Site Lease Agreement; Bifurcation of Site. 

(a) Subject to the applicable provisions of the Master Agreement, for each AT&T Collocation Space at an Assignable Site,
following the execution of this Agreement or after any Subsequent Closing, AT&T Collocator and Tower Operator shall each have the right, at its sole cost and expense, to cause a Memorandum of Site Lease Agreement to be filed in the

  
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appropriate county or other local property records (unless the Ground Lease for any applicable Assignable Site prohibits such recording) to provide constructive notice to third parties of the
existence of this Agreement and shall promptly thereafter provide or cause to be provided in electronic form a recorded copy of same to the other Party. 

(b) In addition to and not in limitation of any other provision of this Agreement, the Parties shall have the right to review
and make corrections, if necessary, to any and all exhibits to this Agreement or to the applicable Memorandum of Site Lease Agreement. After making such corrections, the Party that recorded the Memorandum of Site Lease Agreement shall re-record such
Memorandum of Site Lease Agreement to reflect such corrections, at the sole cost and expense of the Party that requested such correction, and shall promptly provide in electronic form a recorded copy of same to the other Party. 

(c) The Parties shall cooperate with each other to cause changes to be made in the Memorandum of Site Lease Agreement for such
Site, if such changes are requested by either Party to evidence any permitted changes in the description of the AT&T Collocation Space respecting such Site or equipment or improvements thereof, and the Party that requested such changes to the
Memorandum of Site Lease Agreement shall record same at its sole cost and expense and shall promptly provide in electronic form a recorded copy of same to the other Party. 

(d) With respect to any Leased Site containing Reserved Property, upon request of either Party, the Parties will reasonably
cooperate to bifurcate, and use commercially reasonable efforts to cause the applicable Ground Lessor to bifurcate, the fee or ground leasehold interest in the Leased Site to legally separate the Reserved Property belonging to an AT&T Group
Member from the Included Property belonging to Tower Operator, at the cost and expense of such AT&T Group Member. 

SECTION 30. Damage to the Site, Tower or the Improvements.  

(a) If there occurs a casualty that damages or destroys all or a Substantial Portion of any Site, then within 60 days after
the date of the casualty, Tower Operator shall notify AT&T Collocator in writing as to whether, in Tower Operator’s reasonable judgment, the Site is a Non-Restorable Site, which notice shall specify in detail the reasons for such
determination by Tower Operator, and if such Site is not a Non-Restorable Site (a “Restorable Site”) the estimated time, in Tower Operator’s reasonable judgment, required for Restoration of the Site (a “Casualty
Notice”). If the Casualty Notice states that such Site is a Non-Restorable Site, then either Tower Operator or AT&T Collocator shall have the right to terminate this Agreement with respect to such Site, upon written notice to the other
Party (given within the time period required below) and AT&T Collocator’s lease or other use and occupancy of such Site shall terminate as of the date of such notice. Any such notice of termination shall be given not later than 30 days
after receipt of the Casualty Notice (or after final determination that the Site is a Non-Restorable Site if arbitration is instituted as provided above). In all instances Tower Operator shall have the sole right to retain all insurance Proceeds
related to a Non-Restorable Site. 

  
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 (b) If there occurs, as to any Site, a casualty that damages such Site but Tower
Operator determines that the Site is a Restorable Site, then Tower Operator, at its sole cost and expense, shall promptly commence and diligently prosecute to completion, within a period of 60 days after the date of the damage, the adjustment of
Tower Operator’s insurance Claims with respect to such event and, thereafter, promptly commence, and diligently prosecute to completion, the Restoration of the Site. The Restoration shall be carried on and completed in accordance with the
provisions and conditions of this Section 30. 
 (c) Without limiting Tower Operator’s obligations under this
Agreement in respect of a Site subject to a casualty, if Tower Operator undertakes the Restoration of a Site that has suffered a casualty, Tower Operator shall, if commercially feasible, make available to AT&T Collocator a portion of the
Included Property of such Site for the purpose of AT&T Collocator locating, at its sole cost and expense, a temporary communications facility, and shall give AT&T Collocator priority over Tower Tenants at such Site as to the use of such
portion of the Site; provided, however, that (i) the placement of such temporary communications facility shall not interfere in any material respect with Tower Operator’s Restoration or the continued operations of any Tower
Tenant; (ii) AT&T Collocator shall obtain any permits and approvals, at AT&T Collocator’s cost, required for the location of such temporary communications facility on such Site; and (iii) there must be available space on the
Site for locating such temporary communications facility. 
 (d) If Tower Operator undertakes the Restoration of a Site but
then fails at any time to diligently pursue the substantial completion of such Restoration (subject to delay for Force Majeure or the inability to obtain Governmental Approvals, as opposed to merely a delay in obtaining Governmental Approvals),
AT&T Collocator may terminate this Agreement as to such Site upon giving Tower Operator written notice of its election to terminate at any time prior to completion of the Restoration. 

(e) From and after any casualty as to any Site described in this Section 30 and during the period of Restoration at a
Site, the AT&T Rent Amount with respect to such Site shall abate until completion of the Restoration. 
 (f) The Parties
acknowledge and agree that this Section 30 is in lieu of and supersedes any statutory requirements under the laws of any State applicable to the matters set forth in this Section 30. 

SECTION 31. Condemnation. 

(a) If there occurs a Taking of all or a Substantial Portion of any Site, other than a Taking for temporary use, then either
Tower Operator or AT&T Collocator shall have the right to terminate this Agreement as to such Site by providing written notice to the other within 30 days of the occurrence of such Taking, whereupon the Term shall automatically expire as to such
Site, as of the earlier of (i) the date upon which title to such Site, or any portion of such Site, is vested in the condemning authority, or (ii) the date upon which possession of such Site or portion of such Site is taken by the
condemning authority, as if such date were the Site Expiration Date as to such Site, and each Party shall be entitled to prosecute, claim and retain the entire Award attributable to its respective interest in such Site under this Agreement. 

  
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 (b) If there occurs a Taking of less than a Substantial Portion of any Site, then
this Agreement and all duties and obligations of Tower Operator under this Agreement in respect of such Site shall remain unmodified, unaffected and in full force and effect. Tower Operator shall promptly proceed with the Restoration of the
remaining portion of such Site (to the extent commercially feasible) to a condition substantially equivalent to its condition prior to the Taking. Tower Operator shall be entitled to apply the Award received by Tower Operator to the Restoration of
any Site from time to time as such work progresses; provided, however, that AT&T Collocator shall be entitled to prosecute and claim an amount of any Award reflecting its interest under this Agreement. If the cost of the
Restoration exceeds the Award recovered by Tower Operator, Tower Operator shall pay the excess cost. If the Award exceeds the cost of the Restoration, the excess shall be paid to Tower Operator upon completion of the Restoration. 

(c) If there occurs a Taking of any portion of any Site for temporary use, then this Agreement shall remain in full force and
effect as to such Site. Notwithstanding anything to the contrary contained in this Agreement, during such time as Tower Operator will be out of possession of such Site, if an Assignable Site, or unable to operate such Site, if a Non-Assignable Site,
by reason of such Taking, the failure to keep, observe, perform, satisfy and comply with those terms and conditions of this Agreement compliance with which are effectively impractical or impossible as a result of Tower Operator’s being out of
possession of or unable to operate (as applicable) such Site shall not be a breach of or an event of default under this Agreement. Each Party shall be entitled to prosecute, claim and retain the Award attributable to its respective interest in such
Site under this Agreement for any such temporary Taking. 
 (d) If there occurs a Taking of all or any part of any AT&T
Collocation Space at any Site for temporary use, then this Agreement shall remain in full force and effect as to such Site for the remainder of the then-current Term. Notwithstanding anything to the contrary contained in this Agreement, during such
time as AT&T Collocator shall be out of possession of such AT&T Collocation Space by reason of such Taking, the failure by AT&T Collocator to keep, observe, perform, satisfy, and comply with those terms and conditions of this Agreement,
compliance with which are effectively impractical or impossible as a result of AT&T Collocator’s being out of possession of such AT&T Collocation Space shall not be a breach of or an event of default under this Agreement, and AT&T
Collocator shall not be liable for payment of the AT&T Rent Amount with respect to such Site during the period of the temporary Taking. 

SECTION 32. General Provisions. 

(a) Counterparts. This Agreement may be executed in any number of counterparts, each such counterpart being deemed to
be an original instrument, and all such counterparts shall together constitute the same agreement. 
 (b) Governing Law;
Submission to Jurisdiction; Selection of Forum; Waiver of Trial by Jury. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK (REGARDLESS OF THE LAWS THAT MIGHT OTHERWISE GOVERN UNDER APPLICABLE
PRINCIPLES OF CONFLICTS OF LAWS THEREOF) AS TO ALL MATTERS, INCLUDING MATTERS OF VALIDITY, CONSTRUCTION, EFFECT, PERFORMANCE AND REMEDIES; provided, however, that the enforcement of this Agreement with respect to a particular Site as
to matters 

  
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relating to real property and matters mandatorily governed by local Law, shall be governed by and construed in accordance with the laws of the state in which the Site in question is located. Each
Party agrees that it shall bring any action or proceeding in respect of any claim arising out of or related to this Agreement or the transactions contained in or contemplated by this Agreement, exclusively in the United States District Court for the
Southern District of New York or any New York State court sitting in the Borough of Manhattan, City of New York and appellate courts having jurisdiction of appeals from any of the foregoing (the “Chosen Courts”), and solely in
connection with claims arising under this Agreement or the transactions that are the subject of this Agreement, (a) irrevocably submits to the exclusive jurisdiction of the Chosen Courts, (b) waives any objection to laying venue in any
such action or proceeding in the Chosen Courts, (c) waives any objection that the Chosen Courts are an inconvenient forum or do not have jurisdiction over any Party hereto and (d) agrees that service of process upon such Party in any such
action or proceeding shall be effective if notice is given in accordance with Section 32(e) of this Agreement. Each Party hereto irrevocably waives any and all right to trial by jury in any legal proceeding arising out of or relating to this
Agreement or the transactions contemplated hereby. 
 (c) Entire Agreement. This Agreement (including any exhibits
hereto) constitutes the entire agreement among the Parties with respect to the subject matter of this Agreement, and supersedes all other prior agreements, understandings, representations and warranties both written and oral, among the Parties, with
respect to the subject matter hereof. 
 (d) Fees and Expenses. Except as otherwise expressly set forth in this
Agreement, whether the transactions contemplated by this Agreement are or are not consummated, all legal and other costs and expenses incurred in connection with this Agreement and the transactions contemplated by this Agreement shall be paid by the
Party incurring such costs and expenses. 
 (e) Notices. All notices, requests, demands, waivers and other
communications required or permitted under this Agreement shall be in writing and shall be deemed to have been delivered (i) the next Business Day when sent overnight by a nationally recognized overnight courier service, (ii) upon
transmission of an e-mail (followed by delivery of an original via nationally recognized overnight courier service), or (iii) upon delivery when personally delivered to the receiving Party. All such notices and communications shall be sent or
delivered as set forth below or to such other person(s), e-mail address or address(es) as the receiving Party may have designated by written notice to the other Party. All notices delivered by any AT&T Group Member shall be deemed to have been
delivered on behalf of all AT&T Group Members. All notices shall be delivered to the relevant Party at the address set forth below. 

If to AT&T Collocator, AT&T Guarantor or any other AT&T Group Member, to: 

c/o New Cingular Wireless PCS, LLC 

Attention: Network Real Estate Administration 

Re: Cell Site #:
                    ; Cell Site Name:
                     (State Abbreviation) 

Fixed Asset No:              

  
 -62- 

 575 Morosgo Drive 

13-F West Tower 

Atlanta, Georgia 30324 

with a copy to: 

New Cingular Wireless PCS, LLC 

Attention: Network Counsel, AT&T Legal Department 

Re: Cell Site #:
                    ; Cell Site Name:
                     (State Abbreviation) 

Fixed Asset No:
                     

208 South Akard Street 

Dallas, Texas, 75202-4206 

and (for sites in Puerto Rico) a copy to: 

New Cingular Wireless PCS, LLC 

Attention: AT&T Legal Department 

Re: Cell Site #:
                    ; Cell Site Name:
                     (State Abbreviation) 

Fixed Asset No:
                     

Ortegon 103 

Guaynabo, Puerto Rico 00966 

and a copy of any notice given pursuant to Section 25 to: 

AT&T Inc. 

208 South Akard Street 

Dallas, Texas, 75202-4206 

Attention: SVP and Assistant General Counsel – Corporate 

If to Tower Operator, to: 

Crown Castle International Corp. 

1220 Augusta Drive, Suite 600 

Houston, Texas 77057 

Attention: CFO (Jay Brown) 

Attention: General Counsel (E. Blake Hawk) 

and a copy of any notice given pursuant to Section 25 to: 

Crown Castle International Corp. 

1220 Augusta Drive, Suite 600 

Houston, Texas 77057 

Attention: Legal Department 

  
 -63- 

 (f) Successors and Assigns; Third-Party Beneficiaries. This Agreement
shall be binding upon and inure solely to the benefit of each Party and its successors, heirs, legal representatives and permitted assigns. Except as provided in the provisions of this Agreement related to indemnification, this Agreement is not
intended to confer upon any Person other than the Parties any rights or remedies hereunder. 
 (g) Amendment; Waivers;
Etc. No amendment, modification or discharge of this Agreement, and no waiver hereunder, shall be valid or binding unless set forth in writing and duly executed by the Party against which enforcement of the amendment, modification, discharge or
waiver is sought. Any such waiver shall constitute a waiver only with respect to the specific matter described in such writing and shall in no way impair the rights of the Party granting such waiver in any other respect or at any other time. The
waiver by a Party of a breach of or a default under any of the provisions of this Agreement or to exercise any right or privilege hereunder, shall not be construed as a waiver of any other breach or default of a similar nature, or as a waiver of any
of such provisions, rights or privileges hereunder. The rights and remedies herein provided are cumulative and none is exclusive of any other, or of any rights or remedies that any party may otherwise have at law or in equity. 

(h) Time of the Essence. Time is of the essence in this Agreement, and whenever a date or time is set forth in this
Agreement, the same has entered into and formed a part of the consideration for this Agreement. 
 (i) Specific
Performance. The Parties agree that irreparable damage would occur if any provision of this Agreement were not performed in accordance with the terms hereof and that the parties shall be entitled to an injunction or injunctions to prevent
breaches of this Agreement or to enforce specifically the performance of the terms and provisions hereof in any of the Chosen Courts to the extent permitted by applicable Law, in addition to any other remedy to which they are entitled at law or in
equity. Each Party hereby waives any requirement for security or the posting of any bond or other surety in connection with any temporary or permanent award of injunctive, mandatory or other equitable relief. Subject to Section 32(b) and
Section 32(j) of this Agreement, nothing contained in this Agreement shall be construed as prohibiting any Party from pursuing any other remedies available to it pursuant to the provisions of this Agreement or applicable Law for such breach or
threatened breach, including the recovery of damages. 
 (j) Limitation of Liability. Notwithstanding anything in
this Agreement to the contrary, neither Party shall have any liability under this Agreement, for: (y) any punitive or exemplary damages, or (z) any special, consequential, incidental or indirect damages, including lost profits, lost data,
lost revenues and loss of business opportunity, whether or not the other Party was aware or should have been aware of the possibility of these damages. It is understood and agreed that AT&T Collocator or an Affiliate of AT&T Collocator will
be entering into a particular Site Lease Agreement and that each such Affiliate executing the applicable Site Lease Agreement shall be liable with respect to such Site Lease Agreement (for the avoidance of doubt, Section 33 will remain
unaffected and in full force and effect). All communications and invoices relating to a Site Lease Agreement must be directed to the party signing that Site Lease Agreement. 

  
 -64- 

 (k) Severability. If any term or other provision of this Agreement is
invalid, illegal or incapable of being enforced by any rule of Law or public policy, the Parties hereto shall negotiate in good faith to modify this Agreement so as to (i) effect the original intent of the Parties as closely as possible and
(ii) to ensure that the economic and legal substance of the transactions contemplated by this Agreement to the Parties is not materially and adversely affected as a result of such provision being invalid, illegal or incapable of being enforced,
in each case, in a mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the fullest extent possible. If following the modification(s) to this Agreement described in the foregoing
sentence, the economic and legal substance of the transactions contemplated by this Agreement are not affected in any manner materially adverse to any Party, all other conditions and provisions of this Agreement shall remain in full force and
effect. 
 (l) Interpretation. 

(i) The table of contents and headings herein are for convenience of reference only, do not constitute part of
this Agreement and shall not be deemed to limit or otherwise affect any of the provisions hereof. 
 (ii) The
Parties have participated jointly in negotiating and drafting this Agreement. In the event that an ambiguity or a question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the Parties, 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. 

SECTION 33. AT&T Guarantor Guarantee. 

(a) As of the date hereof, AT&T Guarantor holds all or substantially all of AT&T Parent’s United States domestic
wireless business (including wireless voice and data and the assets for the United States domestic wireless business). In the event AT&T Guarantor does not hold all or substantially all of AT&T Parent’s United States domestic wireless
business (including wireless voice and data and the assets for the United States domestic wireless business) and AT&T Parent or another Affiliate of AT&T Parent does hold all or substantially all of AT&T Parent’s United States
domestic wireless business (and all or substantially all of the United States domestic wireless business (including wireless voice and data and the assets for the United States domestic wireless business) of AT&T Guarantor shall not have been
transferred to a Person that is not an Affiliate of AT&T Parent), AT&T Parent or such other Affiliate of AT&T Parent shall execute a joinder to this Agreement reasonably satisfactory to Tower Operator providing for a guarantee of the
AT&T Collocator Obligations equivalent to the guarantee provided by AT&T Guarantor as of the date hereof and shall become “AT&T Guarantor” for all purposes hereunder. For purposes of this section, the term “United
States” shall include Puerto Rico and the United States Virgin Islands. 
 (b) AT&T Guarantor unconditionally
guarantees to the Tower Operator Indemnitees the full and timely payment of all obligations of AT&T Collocator under Section 4 of this Agreement and any corresponding obligations of AT&T Collocator or any Affiliate of AT&T
Collocator under any Site Lease Agreement (collectively, the “AT&T Collocator 

  
 -65- 

 
Obligations”). AT&T Guarantor agrees that if AT&T Collocator (all references to AT&T Collocator in this Section 33 shall be deemed to include any Affiliate of
AT&T Collocator with Communications Equipment, Improvements, a Shelter or any equipment related to the use and operation thereto on a Site or that is a party to any Site Lease Agreement) defaults at any time during the Term of this Agreement or
the term of any Site Lease Agreement in the performance of any of the AT&T Collocator Obligations, AT&T Guarantor shall faithfully perform and fulfill all AT&T Collocator Obligations and shall pay to the applicable beneficiary all
reasonable attorneys’ fees, court costs and other expenses, costs and disbursements incurred by the applicable beneficiary on account of any default by AT&T Collocator and on account of the enforcement of this guaranty. 

(c) The foregoing guaranty obligation of AT&T Guarantor shall be enforceable by any Tower Operator Indemnitee in an action
against AT&T Guarantor without the necessity of any suit, action or proceeding by the applicable beneficiary of any kind or nature whatsoever against AT&T Collocator, without the necessity of any notice to AT&T Guarantor of AT&T
Collocator’s default or breach under this Agreement or any Site Lease Agreement, and without the necessity of any other notice or demand to AT&T Guarantor to which AT&T Guarantor might otherwise be entitled, all of which notices
AT&T Guarantor hereby expressly waives. AT&T Guarantor hereby agrees that the validity of this guaranty and the obligations of AT&T Guarantor hereunder shall not be terminated, affected, diminished or impaired by reason of the assertion
or the failure to assert by any Tower Operator Indemnitee against AT&T Collocator any of the rights or remedies reserved to such Tower Operator Indemnitee pursuant to the provisions of this Agreement, any Site Lease Agreement or any other remedy
or right which such Tower Operator Indemnitee may have at law or in equity or otherwise. 
 (d) AT&T Guarantor covenants
and agrees that this guaranty is an absolute, unconditional, irrevocable and continuing guaranty. The liability of AT&T Guarantor hereunder shall not be affected, modified or diminished by reason of any assignment, renewal, modification,
extension or termination of this Agreement or any Site Lease Agreement or any modification or waiver of or change in any of the covenants and terms of this Agreement or any Site Lease Agreement by agreement of a Tower Operator Indemnitee and
AT&T Collocator, or by any unilateral action of either a Tower Operator Indemnitee or AT&T Collocator, or by an extension of time that may be granted by a Tower Operator Indemnitee to AT&T Collocator or any indulgence of any kind granted
to AT&T Collocator, or any dealings or transactions occurring between a Tower Operator Indemnitee and AT&T Collocator, including any adjustment, compromise, settlement, accord and satisfaction or release, or any Bankruptcy, insolvency,
reorganization or other arrangements affecting AT&T Collocator. AT&T Guarantor does hereby expressly waive any suretyship defenses it might otherwise have. 

(e) Except for any assignment by AT&T Collocator of this Agreement (including any of AT&T Collocator’s rights,
duties or obligations under this Agreement with respect to any Site or the AT&T Collocation Space at such Site) to a Qualified Transferee pursuant to Section 16(b), no assignment by AT&T Collocator of this Agreement (including any of
AT&T Collocator’s rights, duties or obligations under this Agreement with respect to any Site or the AT&T Collocation Space at such Site) shall relieve or discharge AT&T Guarantor from its guarantee of the AT&T Collocator
Obligations pursuant to this Section 33. 

  
 -66- 

 (f) All of the Tower Operator Indemnitees’ rights and remedies under this
guaranty are intended to be distinct, separate and cumulative and no such right and remedy herein is intended to be to the exclusion of or a waiver of any other. AT&T Guarantor hereby waives presentment demand for performance, notice of
nonperformance, protest notice of protest, notice of dishonor and notice of acceptance. AT&T Guarantor further waives any right to require that an action be brought against AT&T Collocator or any other Person or to require that resort be had
by a beneficiary to any security held by such beneficiary. 
 SECTION 34. AT&T Parent Affiliate License. In
the event that AT&T Guarantor ceases to be wholly owned, directly or indirectly, by AT&T Parent, to the extent that any Person that is directly or indirectly wholly owned by AT&T Parent but that is not directly or indirectly wholly owned
by AT&T Guarantor used any Site as of the date AT&T Guarantor ceased to be directly or indirectly wholly owned by AT&T Parent (such Person, an “AT&T Parent Affiliate”), such AT&T Parent Affiliate and Tower
Operator shall, following AT&T Parent Affiliate’s completion of the applicable application and amendment process, enter into definitive documentation reasonably satisfactory to Tower Operator to permit such AT&T Parent Affiliate to
continue to use such Site (the “AT&T Parent Affiliate License”), in each case at the sole cost and expense of such AT&T Parent Affiliate. The AT&T Parent Affiliate License shall provide that such AT&T Parent
Affiliate may continue to use the applicable Site subject to the terms of this Agreement solely to the extent that such AT&T Parent Affiliate used such Site as of the date AT&T Guarantor ceased to be directly or indirectly wholly owned by
AT&T Parent, at no additional rent to such AT&T Parent Affiliate; provided, however, that the AT&T Parent Affiliate License shall provide that such AT&T Parent Affiliate shall pay customary and reasonable rent with
respect to any use of any portion of such Site (including the AT&T Collocation Space at such Site) first used by such AT&T Parent Affiliate on or after the date that is one year prior to the earlier of (a) the first public announcement
of the transaction pursuant to which AT&T Guarantor ceased to be directly or indirectly wholly owned by AT&T Parent and (b) the date on which definitive documentation was entered into with respect to the transaction pursuant to which
AT&T Guarantor ceased to be directly or indirectly wholly owned by AT&T Parent. For the avoidance of doubt, (i) any portion of any Site (including the AT&T Collocation Space at such Site) used from time to time by any AT&T
Parent Affiliate shall be deemed to be used by AT&T Collocator for all purposes under this Agreement and (ii) except as otherwise expressly provided in the AT&T Parent Affiliate License or other definitive documentation entered into by
Tower Operator and AT&T Parent Affiliate, AT&T Parent Affiliate shall use the applicable Site (including the AT&T Collocation Space at such Site) only to the extent permitted under this Agreement (including Section 9(b)
hereof). 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 

  
 -67- 

 IN WITNESS WHEREOF, the Parties have caused this Agreement to be executed and
sealed by their duly authorized representatives, all effective as of the day and year first written above. 
  

			
	 AT&T COLLOCATOR:

	
	 [INSERT A SIGNATURE BLOCK FOR EACH AT&T COLLOCATOR:]

		
	 By
	 	  

		 	 Name:

		 	 Title:

  

			
	 AT&T GUARANTOR:

	
	 AT&T MOBILITY LLC

		
	 By
	 	  

		 	 Name:

		 	 Title:

  

			
	 TOWER OPERATOR:

	
	 [INSERT A SIGNATURE BLOCK FOR EACH TOWER OPERATOR:]

		
	 By
	 	  

		 	 Name:

		 	 Title:

  
 -68-EX-10.6

 Exhibit 10.6 
  

			
	 MORGAN STANLEY SENIOR

FUNDING, INC.
 1585 Broadway

New York, NY 10036
	 	 BANK OF AMERICA, N.A.

MERRILL LYNCH, PIERCE, FENNER &

SMITH INCORPORATED
 One Bryant
Park
 New York, NY 10036

		
	 JPMORGAN CHASE BANK, N.A.

J.P. MORGAN SECURITIES LLC
 383
Madison Avenue
 New York, New York 10179
	 	 BARCLAYS

745 Seventh Avenue
 New York, NY
10019

 CONFIDENTIAL 

October 18, 2013 
 Crown Castle International
Corp. 
 1220 Augusta Drive 
 Suite 600 

Houston, TX 77057 
 Attention: Jay A. Brown 

Project Bennett 

$3,400,000,000 Senior Unsecured Bridge Facility 

Commitment Letter 
 Ladies and Gentlemen:

 You have advised Morgan Stanley Senior Funding, Inc. (“Morgan Stanley”), Bank of America, N.A.
(“BofA”), Merrill Lynch, Pierce, Fenner & Smith Incorporated (“MLPFS”), JPMorgan Chase Bank, N.A. (“JPMCB”), J.P. Morgan Securities LLC (“JPMorgan”), Barclays Bank PLC
(“Barclays”), SunTrust Bank (“SunTrust”), The Royal Bank of Scotland plc (“RBS”), Credit Agricole Corporate and Investment Bank (“Credit Agricole”), Royal Bank of Canada
(“Royal Bank”), Toronto Dominion (New York) LLC (“TD”), TD Securities (USA) LLC (“TDS”), The Bank of Tokyo-Mitsubishi UFJ, Ltd. (“BOTM”), Deutsche Bank AG Cayman Islands Branch
(“DB Cayman”), PNC Bank, National Association (“PNCB”), PNC Capital Markets, LLC (“PNC”) and Sumitomo Mitsui Banking Corporation (“SMBC” and, together with Morgan Stanley, MLPFS,
JPMorgan, Barclays, SunTrust, RBS, Credit Agricole, Royal Bank, TDS, BOTM, DB Cayman, and PNC and the Additional Committed Lender (as defined below), “we” or “us”) that you intend to consummate the Transactions
(such term and each other capitalized term used but not defined herein having the meanings assigned to them in the Term Sheets (as defined below)). 

In connection with the Transactions, each of Morgan Stanley, BofA, JPMCB, Barclays, SunTrust, RBS, Credit Agricole, Royal Bank, TD, BOTM, DB
Cayman, PNCB and SMBC (in such capacity, a “Committed Lender” and, together with any other Additional Committed Lender appointed as described below, collectively, the “Committed Lenders”) hereby

 
commits to provide the amount set forth across from such institution’s name on Schedule I hereto of the Bridge Facility upon the terms and subject to the conditions set forth or referred to
in this commitment letter (this “Commitment Letter”) and in the Summary of Principal Terms and Conditions attached hereto as Exhibit A (the “Bridge Facility Term Sheet” and, together with the Summary of
Conditions Precedent attached hereto as Exhibit B (the “Conditions Exhibit”), the “Term Sheets”). Those matters that are not covered by or made clear under the provisions hereof and of the Term Sheets are
subject to the approval and agreement of us and you. The commitments of each Committed Lender in respect of the Bridge Facility shall be several and not joint. 

You hereby appoint each of Morgan Stanley, MLPFS and JPMorgan to act, and each of Morgan Stanley, MLPFS and JPMorgan hereby agrees to act, as
an active joint lead arranger and an active joint bookrunner for the Bridge Facility, upon the terms and subject to the conditions set forth or referred to in this Commitment Letter and in the Term Sheets. You also hereby appoint Barclays to act,
and Barclays hereby agrees to act, as a passive joint lead arranger and a passive joint bookrunner for the Bridge Facility, upon the terms and subject to the conditions set forth or referred to in this Commitment Letter and in the Term Sheets. You
also hereby appoint Morgan Stanley to act, and Morgan Stanley hereby agrees to act, as sole administrative agent for the Bridge Facility, upon the terms and subject to the conditions set forth or referred to in this Commitment Letter and in the Term
Sheets. Each of Morgan Stanley, MLPFS, JPMorgan and Barclays, in such capacities, will perform the duties and exercise the authority customarily performed and exercised by it in such roles. It is further agreed that Morgan Stanley shall have
“left side” designation and shall appear on the top left of any Information Materials (as defined below) and all other offering or marketing materials in respect of the Bridge Facility. It is further understood and agreed that, in each
case except as otherwise expressly provided above, the Committed Lenders will be listed in order of economics and, among Committed Lenders with the same economics, will be listed alphabetically on the second, third, fourth or fifth lines, as
necessary, of the cover of any Information Materials and all other offering or marketing materials in respect of the Bridge Facility. It is understood and agreed that (a) no additional agents, co-agents, arrangers, co-arrangers, managers,
co-managers, bookrunners or co-bookrunners will be appointed and no other titles will be awarded in connection with the Bridge Facility and (b) no compensation (other than as expressly contemplated by this Commitment Letter, the Term Sheets or
the Fee Letter referred to below) will be paid in connection with the Bridge Facility, in each case unless you and we so reasonably agree; provided, however, that, within 10 days of the date hereof, you may allocate to one additional
financial institution (an “Additional Committed Lender”) up to 0.50% of the economics of the Bridge Facility (with any such allocation to an Additional Committed Lender ratably reducing the economics of the Bridge Facility that are
allocated to Morgan Stanley, BofA, JPMCB and Barclays) as determined by you in consultation with Morgan Stanley, BofA, JPMCB and Barclays (it being understood and agreed that, to the extent you appoint an Additional Committed Lender, the commitments
allocated to each of Morgan Stanley, BofA, JPMCB and Barclays (but not, for purposes of clarity, any other Committed Lender) in respect of the Bridge Facility will be permanently reduced ratably by the amount of the commitments allocated to such
Additional Committed Lender or its affiliate, as applicable, upon the execution by such Additional Committed Lender or such affiliate, as applicable, of customary joinder 

  
 2 

 
documentation and, thereafter, the Additional Committed Lender or affiliate, as applicable, shall constitute a “Committed Lender” hereunder and under the Fee Letter). 

We reserve the right, prior to or after the execution of definitive documentation for the Bridge Facility (the “Senior Bridge Credit
Documentation”), to syndicate all or a portion of the Committed Lenders’ commitments hereunder to one or more financial institutions identified by us in consultation with you that will become parties to such definitive documentation
(the financial institutions becoming parties to such definitive documentation, together with the Committed Lenders, being collectively referred to as the “Lenders”), it being understood and agreed that we will not syndicate to those
persons that are identified in writing to us on or prior to the date hereof (collectively, the “Disqualified Institutions”); provided, however, that, notwithstanding our right to syndicate the Bridge Facility and
receive commitments with respect thereto, (a) no Committed Lender shall be relieved, released or novated from its obligations hereunder (including its obligation to fund the Bridge Facility on the Bridge Funding Date (as defined in the Bridge
Facility Term Sheet)) in connection with any syndication, assignment or participation of the Bridge Facility, including its commitment in respect thereof, until after the initial funding under the Bridge Facility on the Bridge Funding Date has
occurred, (b) no assignment or novation shall become effective with respect to all or any portion of any Committed Lender’s commitment in respect of the Bridge Facility until the initial funding of the Bridge Facility and (c) unless
you otherwise agree in writing, each Committed Lender shall retain exclusive control over all rights and obligations with respect to its commitment in respect of the Bridge Facility, including all rights with respect to consents, modifications,
supplements, waivers and amendments, until the initial funding of the Bridge Facility on the Bridge Funding Date has occurred. We may decide to commence syndication efforts promptly, and you agree, until the date that is 45 days after the Bridge
Funding Date (the “Syndication Date”), actively to assist us in completing a timely and orderly syndication reasonably satisfactory to us and you. Such assistance shall include (a) your using commercially reasonable efforts to
ensure that the syndication efforts benefit materially from your existing banking relationships, (b) direct contact during the syndication between your senior management, representatives and advisors, on the one hand, and the proposed Lenders,
on the other hand, in all cases at times and locations to be mutually agreed upon, (c) your assistance in the preparation of a customary Confidential Information Memorandum for the Bridge Facility and other customary marketing materials to be
used in connection with the syndication (collectively, the “Information Materials”), (d) the hosting, with us, of not more than three meetings or telephone conferences with prospective Lenders at times and locations to be
mutually agreed upon, (e) using your commercially reasonable efforts to procure ratings for the Bridge Facility and the Notes from each of Standard & Poor’s Ratings Services, a subsidiary of McGraw-Hill Financial Inc., and
Moody’s Investors Service, Inc. prior to the launch of general syndication and (f) there being no competing issues, offerings, placements or arrangements of debt securities or commercial bank or other credit facilities of you being issued,
offered, placed or arranged (other than the Bridge Facility and the Notes (or any other debt securities issued to refinance the Bridge Facility in whole or in part)) without the consent of the Lead Arrangers if such issuance, offering, placement or
arrangement could reasonably be expected to materially impair the primary syndication of the Bridge Facility or the Notes Issuance. Notwithstanding anything to the contrary contained in this Commitment Letter or the Fee Letter or any other letter
agreement or undertaking concerning the financing of the Transactions to the contrary, but 

  
 3 

 
without limiting your obligations to assist with syndication efforts as set forth herein, it is understood and agreed that neither the commencement nor completion of the syndication of the Bridge
Facility, nor the obtaining of the ratings referenced above, nor any other provision of this paragraph, shall constitute a condition to the commitments hereunder or the funding of the Bridge Facility on the Bridge Funding Date. 

It is understood and agreed that the Lead Arrangers will, after consultation with you, manage all aspects of the syndication, including
selection of Lenders (subject to your consultation rights as set forth in the fourth paragraph of this Commitment Letter, but which Lenders may not be Disqualified Institutions), determination of when the Lead Arrangers will approach potential
Lenders and the time of acceptance of the Lenders’ commitments, the final allocations of the commitments among the Lenders and the amount and distribution of fees among the Lenders. To assist the Lead Arrangers in their syndication efforts, you
agree promptly to prepare and provide to the Committed Lenders all customary information with respect to you and your subsidiaries and the Transactions, including all financial information and projections (the “Projections”), as the
Lead Arrangers may reasonably request in connection with the structuring, arrangement and syndication of the Bridge Facility. If reasonably requested by the Lead Arrangers, you agree to assist the Lead Arrangers in preparing a customary additional
version of the Confidential Information Memorandum (the “Public Side Version”) to be used by prospective Lenders’ public-side employees and representatives (such Lenders, “Public-Siders”; all other Lenders,
“Private-Siders”) who do not wish to receive material non-public information (within the meaning of the United States Federal or State securities laws) with respect to you and your affiliates and any of your or their respective
securities (such material non-public information, “MNPI”) and who may be engaged in investment and other market-related activities with respect to your or your affiliates’ securities or loans. It is understood and agreed that,
in connection with your assistance described above, (i) customary authorization letters will be included in the Confidential Information Memorandum that authorize the distribution of the Confidential Information Memorandum to prospective
Lenders and confirm that the Public Side Version does not include MNPI and (ii) the Public Side Version will contain customary language exculpating us and our affiliates and you and your affiliates with respect to any liability related to the
use of the contents of the Public Side Version or any related marketing material. You agree to identify that portion of the Information Materials that may be distributed to Public-Siders by clearly marking the same as “PUBLIC” (it being
understood and agreed that you shall not be under any obligation to mark the Information Materials as “PUBLIC”). You acknowledge that the Lead Arrangers will make available the Information Materials on a confidential basis to the proposed
syndicate of Lenders by posting such information on Intralinks, Debt X or SyndTrack Online or by similar electronic means. You agree that the following documents may be distributed to both Private-Siders and Public-Siders, unless you advise the Lead
Arrangers prior to their intended distribution that such materials should only be distributed to Private-Siders and provided that you and your counsel have been given a reasonable opportunity to review such documents: (1) administrative
materials prepared by us for prospective Lenders (such as a lender meeting invitation, bank allocation, if any, and funding and closing memoranda), (2) the Term Sheets and notification of changes in the Bridge Facility’s terms and
conditions, (3) the Patriot Act (as defined below) and other similar “know your customer” information and (4) drafts and final versions of the Senior Bridge Credit Documentation. If you advise the Lead Arrangers that

  
 4 

 
any of the foregoing should be distributed only to Private-Siders, then Public-Siders will not receive such materials without further discussions with you. 

You hereby represent and covenant that (a) all written information (all such information, other than the Projections and other than
information of a general economic or industry specific nature, the “Information”) that has been or will be made available to us by or on behalf of you, when taken as a whole, is or will be, when furnished, complete and correct in
all material respects and does not or will not, when furnished, contain any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements contained therein not misleading in light of the circumstances
under which such statements are made (giving effect to all supplements and updates provided thereto) and (b) the Projections that have been or will be made available to us by or on behalf of you have been and will be prepared in good faith
based upon assumptions that are believed by the preparer thereof to be reasonable at the time made and at the time made available to us (it being understood that (i) the Projections are as to future events and are not to be viewed as facts,
(ii) the Projections are subject to significant uncertainties and contingencies, many of which are beyond your control, (iii) no assurance can be given that any particular Projections will be realized and (iv) actual results during
the period or periods covered by any such Projections may differ significantly from the projected results and such differences may be material). You agree that if at any time from and including the date hereof until the Syndication Date, the
representation and covenant in the immediately preceding sentence would be incorrect in any material respect if the Information and Projections were being furnished and such representation and covenant were being made at such time, then you will
promptly supplement the Information and the Projections so that such representation and covenant would be correct in all material respects; provided that any such supplementation shall cure any breach of such representation and covenant. In
arranging the Bridge Facility, including the syndication of the Bridge Facility, we (A) will be entitled to use and rely on the Information and the Projections without responsibility for independent verification thereof and (B) do not
assume responsibility for the accuracy or completeness of the Information or the Projections. 
 As consideration for the Committed
Lenders’ commitments hereunder and the agreement of the Committed Lenders and the Lead Arrangers to perform the services described herein, you agree to pay (or cause to be paid) the fees as set forth in the Fee Letter dated the date hereof and
delivered herewith with respect to the Bridge Facility (the “Fee Letter”). Once paid, except as expressly provided in the Fee Letter, such fees shall not be refundable under any circumstances. 

The commitments of the Committed Lenders to fund the Bridge Facility on the Bridge Funding Date and the agreement of the Committed Lenders and
the Lead Arrangers to perform the services described herein are subject solely to the conditions set forth in the Conditions Exhibit (and no others). 

Notwithstanding anything in this Commitment Letter, the Term Sheets, the Fee Letter, the Senior Bridge Credit Documentation or any other
letter agreement or other undertaking concerning the financing of the Transactions to the contrary, (a) the only representations and warranties the making and accuracy of which shall be a condition to the

  
 5 

 
availability of the Bridge Facility on the Bridge Funding Date shall be (i) such of the representations and warranties made by the Seller with respect to the Acquired Assets in the Purchase
Agreement as are material to the interests of the Lenders, but only to the extent that you (or the Purchaser, as applicable) have the right to terminate your (or the Purchaser’s, as applicable) obligations under the Purchase Agreement or not
consummate the Acquisition as a result of a breach of such representations and warranties in the Purchase Agreement (to such extent, the “Specified Purchase Agreement Representations”) and (ii) the Specified Representations (as
defined below); provided, however, that, in the event of a Pre-Acquisition Closing Date Funding, such representations and warranties shall be limited solely to the Specified Representations; and (b) the terms of the Senior Bridge
Credit Documentation shall be in a form such that they do not impair the availability of the Bridge Facility on the Bridge Funding Date if the conditions described in the immediately preceding paragraph are satisfied. For purposes hereof,
“Specified Representations” means the representations and warranties of you set forth in the Senior Bridge Credit Documentation relating to organization and powers; authorization and enforceability, in each case, relating to the
entering into and performance of the Senior Bridge Credit Documentation; no conflict with material laws and constituent documents; solvency as of the Bridge Funding Date (after giving effect to the Transactions) of you and your subsidiaries on a
consolidated basis; Federal Reserve margin regulations and the Investment Company Act of 1940; anti-terrorism laws and the Patriot Act; OFAC; and FCPA. This paragraph, and the provisions herein, shall be referred to as the “Certain Funds
Provisions”. 
 By executing this Commitment Letter, you agree (a) to indemnify and hold harmless each of us and our
respective affiliates and each of our and their respective Related Parties (as defined below) (each, an “indemnified person”) from and against any and all losses, claims, damages, liabilities or related out-of-pocket expenses, joint
or several, to which any such indemnified person may become subject arising out of or in connection with this Commitment Letter, the Term Sheets, the Fee Letter, the Transactions or the Bridge Facility or any claim, litigation, investigation or
proceeding relating to any of the foregoing (any of the foregoing, a “Proceeding”), regardless of whether any such indemnified person is a party thereto or whether a Proceeding is initiated by or on behalf of a third party or you or
any of your affiliates, and to reimburse each such indemnified person upon demand for any reasonable and documented out-of-pocket legal expenses of one firm of counsel for all such indemnified persons, taken as a whole, and, if necessary, of a
single firm of local counsel in each appropriate jurisdiction (which may include a single firm of special counsel acting in multiple jurisdictions) for all such indemnified persons, taken as a whole (and, solely in the case of an actual or perceived
conflict of interest where the indemnified person affected by such conflict informs you of such conflict and thereafter retains its own counsel, of another firm of counsel for such affected indemnified person and, if necessary, of a single firm of
local counsel in each appropriate jurisdiction (which may include a single firm of special counsel acting in multiple jurisdictions) for such affected indemnified person), in each case incurred in connection with defending any of the foregoing;
provided that the foregoing indemnity will not, as to any indemnified person, apply to losses, claims, damages, liabilities or related expenses to the extent they (i) are found in a final and non-appealable judgment of a court of
competent jurisdiction to have resulted from the wilful misconduct, bad faith or gross negligence of, or material breach of this Commitment Letter or the Senior Bridge Credit Documentation by, such indemnified person or (ii) result from a
proceeding that does not involve an act or omission by you or any of your affiliates and that is 

  
 6 

 
brought by an indemnified person against any other indemnified person (other than claims against any arranger or agent in its capacity or in fulfilling its roles as an arranger or agent hereunder
or any similar role with respect to the Bridge Facility) and (b) upon and subject to the consummation of the Acquisition, to reimburse us for all reasonable and documented out-of-pocket expenses (including the reasonable expenses of our due
diligence investigation, reasonable consultants’ fees and expenses, reasonable syndication expenses, reasonable travel expenses and reasonable fees, disbursements and other charges of one firm of counsel for all Committed Lenders and Lead
Arrangers taken as a whole) incurred in connection with the Bridge Facility and the preparation of this Commitment Letter, the Term Sheets, the Fee Letter and the Senior Bridge Credit Documentation. Notwithstanding any other provision of this
Commitment Letter, (1) no indemnified person shall be liable for any damages directly or indirectly arising from the use by others of information or other materials obtained through electronic, telecommunications or other information
transmissions systems, except to the extent such damages have resulted from the wilful misconduct, bad faith or gross negligence of such indemnified person or any Related Persons of such indemnified person and (2) without in any way qualifying
or limiting your indemnification obligations hereunder, neither you nor any indemnified person shall be liable for any special, indirect, consequential or punitive damages in connection with its activities related to the Bridge Facility or the
Transactions; provided that nothing in this sentence shall relieve you of any obligation you may have under the terms hereof to indemnify an indemnified person for any such damages asserted by an unaffiliated third party. You shall not,
without the prior written consent of the affected indemnified person (which consent shall not be unreasonably withheld or delayed), effect any settlement of any pending or threatened Proceeding against such indemnified person in respect of which
indemnity could have been sought hereunder by such indemnified person unless such settlement (i) includes an unconditional release of such indemnified person in form and substance reasonably satisfactory to such indemnified person from all
liability or claims that are the subject matter of such Proceeding and (ii) does not include any statement as to any admission of fault. You shall not be liable for any settlement of any pending or threatened Proceeding effected without your
consent (which consent shall not be unreasonably withheld or delayed), but if settled with your prior written consent, you agree to indemnify and hold harmless each indemnified person from and against any and all losses, claims, damages,
liabilities, and related out-of-pocket expenses by reason of such settlement or judgment in accordance with the other provisions of this paragraph. For purposes hereof, “Related Parties” means, with respect to any person, the
directors, officers, employees, agents, trustees, managers, advisors, representatives and controlling persons of such person. 
 You
acknowledge that we and our respective affiliates may be providing debt financing, equity capital or other services (including financial advisory services) to other companies in respect of which you may have conflicting interests regarding the
transactions described herein and otherwise. None of us or any of our respective affiliates will use confidential information obtained from you by virtue of the transactions contemplated by this Commitment Letter or our other relationships with you
in connection with the performance by us of services for other companies, and none of us or any of our respective affiliates will furnish any such information to other companies. You also acknowledge that none of us or any of our respective
affiliates has any obligation to use in connection with the transactions contemplated 

  
 7 

 
by this Commitment Letter, or to furnish to you or your subsidiaries or representatives, confidential information obtained by us from any other company or person. 

You further acknowledge and agree that (a) no fiduciary, advisory or agency relationship between you, on the one hand, and us, on the
other hand, is intended to be or has been created in respect of any of the transactions contemplated by this Commitment Letter and the Term Sheets, irrespective of whether any of us has advised or is advising you on other matters, (b) we, on
the one hand, and you, on the other hand, have an arms-length business relationship that does not directly or indirectly give rise to, nor do you rely on, any fiduciary duty on the part of any of us, (c) you are capable of evaluating and
understanding, and you understand and accept, the terms, risks and conditions of the transactions contemplated by this Commitment Letter and the Term Sheets, (d) you have been advised that each of us is engaged in a broad range of transactions
that may involve interests that differ from your interests and that none of us has an obligation to disclose such interests and transactions to you by virtue of any fiduciary, advisory or agency relationship, (e) you have consulted your own
legal, regulatory, tax and financial advisors to the extent you have deemed appropriate in connection with the transactions contemplated by this Commitment Letter and the Term Sheets and (f) you waive, to the fullest extent permitted by law,
any claims you may have against any of us for breach of fiduciary duty or alleged breach of fiduciary duty in connection with this Commitment Letter and the transactions contemplated hereby and by the Term Sheets and agree that none of us shall have
any liability (whether direct or indirect) to you in respect of such a fiduciary duty claim or to any person asserting a fiduciary duty claim on behalf of or in right of you, including your stockholders, employees or creditors and that you shall not
assert any such claim against any of us. 
 You further acknowledge that each of us is a full service securities firm engaged in securities
trading and brokerage activities as well as providing investment banking and other financial services. In the ordinary course of business, each of us may provide investment banking and other financial services to, and/or acquire, hold or sell, for
its own accounts and the accounts of customers, equity, debt and other securities and financial instruments (including bank loans) and other obligations of, you and other companies with which you may have commercial or other relationships. With
respect to any securities and/or financial instruments so held by any of us or any of our customers, all rights in respect of such securities and financial instruments, including any voting rights, will be exercised by the holder of the rights, in
its sole discretion. 
 This Commitment Letter and the commitments hereunder shall not be assignable by you, and your obligations hereunder
may not be delegated, without the prior written consent of each of us, and any attempted assignment without such consent shall be void. This Commitment Letter may not be amended or any provision hereof waived or modified except by an instrument in
writing signed by each of us and you. This Commitment Letter may be executed in any number of counterparts, each of which shall be deemed an original and all of which, when taken together, shall constitute one agreement. Delivery of an executed
counterpart of a signature page of this Commitment Letter by facsimile transmission or other electronic transmission (in “pdf” or “tif” format) shall be effective as delivery of a manually executed counterpart of this Commitment
Letter. This Commitment Letter, the Term Sheets and the Fee 

  
 8 

 
Letter supersede all prior understandings, whether written or oral, between us with respect to the Bridge Facility. This Commitment Letter is intended to be solely for the benefit of the parties
hereto and is not intended to confer any benefits upon, or create any rights in favor of, any person other than the parties hereto and the parties required to be indemnified hereunder. This Commitment Letter and any claims, controversy, dispute or
cause of action (whether in contract or tort or otherwise) based upon, arising out of or relating to this Commitment Letter and the transactions contemplated hereby shall be governed by, and construed in accordance with, the laws of the State of New
York, regardless of the laws that might otherwise govern under applicable principles of conflicts of laws thereof. Each of us may perform the duties and activities described hereunder through any of our respective affiliates and the provisions of
the fourth preceding paragraph shall apply with equal force and effect to any of such affiliates so performing any such duties or activities; provided that with respect to the commitments hereunder, any assignments thereof will not relieve
any Committed Lender from any of its obligations hereunder unless and until it or its affiliate shall have funded the portion of the commitment so assigned. 

Each of the parties hereto irrevocably and unconditionally agrees that it will not commence any action, litigation or proceeding of any kind,
whether in law or equity, whether in contract or in tort or otherwise, against any Committed Lender or its affiliates or any of their respective officers, directors, employees, managers, agents and controlling persons in any way relating to the
Transactions, this Commitment Letter, the Term Sheets or the Fee Letter or the performance of services hereunder or thereunder in any forum other than the courts of the State of New York sitting in New York County and of the United States District
Court for the Southern District of New York and any appellate court from any thereof, and each of the parties hereto irrevocably and unconditionally submits to the jurisdiction of such courts and agrees that all claims in respect of any such action,
litigation or proceeding may be heard and determined in such New York State court or, to the fullest extent permitted by applicable law, in such Federal court. Each of the parties hereto hereby agrees that service of any process, summons, notice or
document by registered mail addressed to such party shall be effective service of process for any suit, action or proceeding brought in any such court. Each of the parties hereto hereby irrevocably and unconditionally waives any objection to the
laying of venue of any such action, litigation or proceeding brought in any such court and any claim that any such action, litigation or proceeding has been brought in any inconvenient forum. Each of the parties hereto hereby agrees that a final
judgment in any such suit, action or proceeding brought in any such court shall be conclusive and binding upon such party and may be enforced in any other courts to whose jurisdiction such party is or may be subject, by suit upon judgment. 

EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY
JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS COMMITMENT LETTER, THE TERM SHEETS, THE FEE LETTER OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY OR THE PERFORMANCE OF SERVICES HEREUNDER OR THEREUNDER
(WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY). EACH OF THE PARTIES HERETO HEREBY (A) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PERSON HAS 

  
 9 

 
REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PERSON WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND (B) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES
HERETO HAVE BEEN INDUCED TO ENTER INTO THIS COMMITMENT LETTER AND THE FEE LETTER BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS PARAGRAPH. 

Each of the parties hereto agrees that this Commitment Letter is a binding and enforceable agreement with respect to the subject matter
contained herein, including an agreement to negotiate in good faith the Senior Bridge Credit Documentation by the parties hereto in a manner consistent with this Commitment Letter and the Term Sheets and as promptly as reasonably practicable, it
being acknowledged and agreed that the commitment provided hereunder is subject to conditions precedent as provided herein. 
 You agree
that you will not disclose, directly or indirectly, this Commitment Letter, the Term Sheets, the Fee Letter, the contents of any of the foregoing or the activities of the Committed Lenders pursuant hereto or thereto to any person without the prior
approval of the Committed Lenders, except that you may disclose (a) this Commitment Letter, the Term Sheets, the Fee Letter and the contents hereof and thereof (i) to your directors, officers, employees, attorneys, accountants and advisors
on a confidential and need-to-know basis, (ii) to any prospective Additional Committed Lender and its officers, directors, employees, attorneys, accountants and advisors, (iii) pursuant to the order of any court or administrative agency or
in any legal, judicial or administrative proceeding or other compulsory process or otherwise as required by applicable law or regulations (in which case you shall promptly notify us, in advance, to the extent lawfully permitted to do so) and
(iv) upon the request or demand of any regulatory authority having jurisdiction over you (in which case you shall promptly notify us, in advance, to the extent lawfully permitted to do so), (b) this Commitment Letter, the Term Sheets and
the contents hereof and thereof (but not the Fee Letter or the contents thereof, except as otherwise provided in clause (i) of this clause (b)) (i) to the Seller and its officers, directors, employees, attorneys, accountants and advisors
on a confidential and need-to-know basis (provided that the Fee Letter and the contents thereof may be provided to such persons if redacted in respect of the amounts, percentages and basis points of compensation set forth therein) , (ii) in any
prospectus or other offering memorandum relating to the Notes in a manner to be mutually agreed, (iii) in any public filing in connection with the Transactions and (iv) to prospective Lenders or participants and to rating agencies in
connection with obtaining ratings for the Bridge Facility, (c) the aggregate fee amount contained in the Fee Letter as part of a generic disclosure of aggregate sources and uses related to fee amounts to the extent customary or required in
marketing materials or any public filing or any prospectus or other offering memorandum (and only to the extent aggregated with all other fees and expenses of the Transactions and not presented as an individual line item unless required by
applicable law) and (d) general disclosure regarding the aggregate commitments of the Committed Lenders hereunder (including the amount of such commitments) and the material terms (other than any fees paid to the Committed Lenders and Lead
Arrangers) and conditions of the Bridge Facility and the documentation executed in connection therewith to the extent customary or required in any public filing or press release. 

  
 10 

 The Committed Lenders and their affiliates shall use all non-public information received by them
in connection with the Bridge Facility and the Transactions solely for the purposes of providing the services that are the subject of this Commitment Letter, the Term Sheets and the Fee Letter and shall treat confidentially all such information;
provided, however, that nothing herein shall prevent them from disclosing any such information (a) to ratings agencies on a confidential basis and in consultation with you, (b) to any Lenders or participants or prospective
Lenders or prospective participants, (c) pursuant to the order of any court or administrative agency or in any legal, judicial or administrative proceeding or other compulsory process or otherwise as required by applicable law or regulations
(in which case, the applicable Committed Lender or its affiliate, as the case may be, shall promptly notify you, in advance, to the extent lawfully permitted to do so), (d) upon the request or demand of any regulatory authority having
jurisdiction over them (in which case the applicable Committed Lender or its affiliate, as the case may be, shall, except with respect to any audit or examination conducted by bank accountants or any governmental bank regulatory authority exercising
examination or regulatory authority, promptly notify you, in advance, to the extent lawfully permitted to do so), (e) to the respective Related Parties of any Committed Lender who need to know such information in connection with the
Transactions and are informed of the confidential nature of such information and who agree (which agreement may be oral or pursuant to company policy) to be bound by the terms of this paragraph (or language substantially similar to this paragraph),
(f) to any Committed Lender’s affiliates (provided that any such affiliate is advised of its obligation to retain such information as confidential, and the applicable Committed Lender shall be responsible for its affiliates’
compliance with this paragraph) solely in connection with the Transactions, (g) to the extent any such information becomes publicly available other than by reason of disclosure by any Committed Lender, its affiliates or any of their respective
Related Parties in breach of this Commitment Letter, (h) to the extent such information is received by any Committed Lender from a third party that is not, to such Committed Lender’s knowledge, subject to a confidentiality obligation to
you with respect to such information, (i) in connection with the exercise of remedies to the extent relating to this Commitment Letter, the Term Sheet or the Fee Letter and (j) for purposes of establishing a “due diligence”
defense; provided that the disclosure of any such information to any Lenders or prospective Lenders or participants or prospective participants referred to above shall be made subject to the acknowledgment and acceptance by such Lender or
prospective Lender or participant or prospective participant that such information is being disseminated on a confidential basis (on the terms set forth in this paragraph or as is otherwise reasonably acceptable to you). The obligations of the
Committed Lenders under this paragraph shall automatically terminate and be superseded by the confidentiality provisions of the Senior Bridge Credit Documentation upon the initial funding thereunder and shall, in any event, terminate two years after
the date hereof. 
 We hereby notify you that pursuant to the requirements of the USA PATRIOT Act (Title III of Pub. L. 107 56 (signed into
law October 26, 2001), as subsequently amended and reauthorized) (the “Patriot Act”), each of the Lenders may be required to obtain, verify and record information that identifies you, which information may include your name and
address and other information that will allow each of the Lenders to identify you in accordance with the Patriot Act. This notice is given in accordance with the requirements of the Patriot Act and is effective for each of the Lenders. 

  
 11 

 Please indicate your acceptance of the terms hereof and of the Fee Letter by signing in the
appropriate space below and in the Fee Letter and returning to the Lead Arrangers executed original copies (or facsimiles or other electronic copies in “pdf” or “tif” format thereof) of this Commitment Letter and the Fee Letter
not later than 5:00 p.m., New York City time, on October 25, 2013. The commitments hereunder will expire at such time in the event that the Lead Arrangers have not received such executed original copies (or facsimiles or other electronic
copies in “pdf” or “tif” format thereof) in accordance with the immediately preceding sentence. In the event that the borrowing under the Bridge Facility does not occur on or before April 16, 2014 (or, July 15, 2014, if
the Termination Date (as defined in the Purchase Agreement) is extended pursuant to Section 12.1(b) of the Purchase Agreement (such extension, the “Commitment Date Extension”)) or such earlier date on which the Acquisition is
consummated or the Purchase Agreement is terminated, then this Commitment Letter and the commitments hereunder shall automatically terminate unless the Committed Lenders shall agree to an extension. The syndication, compensation, reimbursement,
indemnification, jurisdiction, governing law, waiver of jury trial, no fiduciary relationship and, except as expressly set forth above, confidentiality provisions contained herein and in the Fee Letter shall remain in full force and effect
regardless of whether Senior Bridge Credit Documentation shall be executed and delivered and notwithstanding the termination of this Commitment Letter or the commitments hereunder. You may terminate this Commitment Letter and/or any Committed
Lender’s commitment with respect to the Bridge Facility (or a portion thereof) at any time subject to the provisions of the immediately preceding sentence. 

[The remainder of this page intentionally left blank] 

  
 12 

 We are pleased to have been given the opportunity to assist you in connection with this important
financing. 
  

					
	Very truly yours,
	
	MORGAN STANLEY SENIOR FUNDING, INC.
		
	By	 	 /s/ Robbie Pearson

		 	Name:	 	Robbie Pearson
		 	Title:	 	Vice President

  
 13 

 
					
	MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
		
	By	 	 /s/ Russ Bunting

		 	Name:	 	Russ Bunting
		 	Title:	 	Director

  
 14 

 
					
	BANK OF AMERICA, N.A.
		
	By	 	 /s/ Russ Bunting

		 	Name:	 	Russ Bunting
		 	Title:	 	Director

  
 15 

 
					
	JPMORGAN CHASE BANK, N.A.
		
	By	 	 /s/ Goh Siew Tan

		 	Name:	 	Goh Siew Tan
		 	Title:	 	Vice President

  
 16 

 
					
	J.P. MORGAN SECURITIES LLC
		
	By	 	 /s/ Vivek Lal

		 	Name:	 	Vivek Lal
		 	Title:	 	Vice President

  
 17 

 
			
	BARCLAYS BANK PLC
		
	By	 	 /s/ Christina Park

		 	Name: Christina Park
		 	Title:

  
 18 

 
					
	SUNTRUST BANK
		
	By	 	 /s/ Jeffrey Titus

		 	Name:	 	Jeffrey Titus
		 	Title:	 	Managing Director

  
 19 

 
					
	THE ROYAL BANK OF SCOTLAND PLC
		
	By	 	 /s/ Matthew Pennachio

		 	Name:	 	Matthew Pennachio
		 	Title:	 	Director

  
 20 

 
					
	CREDIT AGRICOLE CORPORATE AND INVESTMENT BANK
		
	By	 	 /s/ Tanya Crossley

		 	Name:	 	Tanya Crossley
		 	Title:	 	Managing Director
		
	By	 	 /s/ Kestrina Budina

		 	Name:	 	Kestrina Budina
		 	Title:	 	Director

  
 21 

 
					
	ROYAL BANK OF CANADA
		
	By	 	 /s/ Jeffrey H. Gelles

		 	Name:	 	Jeffrey H. Gelles
		 	Title:	 	Managing Director

  
 22 

 
					
	TORONTO DOMINION (NEW YORK) LLC
		
	By	 	 /s/ Robyn Zeller

		 	Name:	 	Robyn Zeller
		 	Title:	 	Vice President

  

					
	TD SECURITIES (USA) LLC
		
	By	 	 /s/ Robyn Zeller

		 	Name:	 	Robyn Zeller
		 	Title:	 	Managing Director

  
 23 

 
					
	THE BANK OF TOKYO-MITSUBISHI UFJ, LTD.
		
	By	 	 /s/ Jose Carlos

		 	Name:	 	Jose Carlos
		 	Title:	 	Director

  
 24 

 
					
	DEUTSCHE BANK AG CAYMAN ISLANDS BRANCH
		
	By	 	 /s/ Catherine Madigan

		 	Name:	 	Catherine Madigan
		 	Title:	 	Managing Director
		
	By	 	 /s/ Scottye Lindsey

		 	Name:	 	Scottye Lindsey
		 	Title:	 	Director

  
 25 

 
					
	PNC CAPITAL MARKETS, LLC
		
	By	 	 /s/ John F. Broeren

		 	Name:	 	John F. Broeren
		 	Title:	 	Managing Director

  

					
	PNC BANK, NATIONAL ASSOCIATION
		
	By	 	 /s/ Thomas Kondrat

		 	Name:	 	Thomas Kondrat
		 	Title:	 	

  
 26 

 
					
	SUMITOMO MITSUI BANKING CORPORATION
		
	By	 	 /s/ David W. Kee

		 	Name:	 	David W. Kee
		 	Title:	 	Managing Director

  
 27 

 Accepted and agreed to as of the date first above written: 

 

					
	Crown Castle International Corp.
		
	By	 	 /s/ Jay A. Brown

		 	Name:	 	Jay A. Brown
		 	Title:	 	Senior Vice President, Chief Financial Officer and Treasurer

  
 28 

 Schedule 1 – Commitments 

 

					
	 Committed Lender
	  	Commitment Amount	 
	 Bank of America, N.A.
	  	$	650,820,896.00	  
	 Morgan Stanley
	  	 	650,820,896.00	  
	 JPMorgan Chase Bank, N.A.
	  	 	650,820,896.00	  
	 Barclays Bank PLC
	  	 	342,537,313.00	  
	 SunTrust Bank
	  	 	221,000,000.00	  
	 The Royal Bank of Scotland plc
	  	 	170,000,000.00	  
	 Credit Agricole Corporate and Investment Bank
	  	 	170,000,000.00	  
	 Royal Bank of Canada
	  	 	170,000,000.00	  
	 Toronto Dominion (New York) LLC
	  	 	170,000,000.00	  
	 The Bank of Tokyo-Mitsubishi UFJ, Ltd.
	  	 	85,000,000.00	  
	 Deutsche Bank AG Cayman Islands Branch
	  	 	68,000,000.00	  
	 PNC Bank, National Association
	  	 	34,000,000.00	  
	 Sumitomo Mitsui Banking Corporation
	  	 	17,000,000.00	  
		  	  
	  
	 
	 TOTAL
	  	$	3,400,000,000.00	  
		  	  
	  
	 

  
 29 

 EXHIBIT A 

CONFIDENTIAL 
 October 18, 2013 

Project Bennett 

$3,400,000,000 Senior Unsecured Bridge Facility 

Summary of Principal Terms and Conditions1 

 

			
	Borrower:	  	The borrower under the Bridge Facility (as defined below) will be Crown Castle International Corp., a Delaware corporation (the “Borrower”).
		
	Transactions:	  	 Pursuant to a Master Agreement (the “Purchase Agreement”) to be entered into between Borrower and AT&T Inc., a Delaware
corporation (the “Seller”), Borrower will acquire (the “Acquisition”) pursuant to a long-term lease arrangement or asset purchase arrangement certain of the Seller’s Towers (the “Acquired
Assets”) for aggregate cash consideration consisting of $4,850,000,000 (the “Purchase Price”).
  

In connection with the Acquisition, (a) the Borrower will issue at least $1,055,200,000 in gross cash proceeds (the “Initial Equity
Proceeds”) of its common or preferred equity securities or enter into other equity financing arrangements (and, in the case of preferred equity securities or such other equity financing arrangements, on terms reasonably satisfactory to the
Lead Arrangers) (collectively, the “Equity Offering”), (b) the Borrower will either (i) issue up to $3,400,000,000 in aggregate principal amount of its senior unsecured notes (the “Notes”) in a public offering
or in a Rule 144A or other private placement (the “Notes Issuance”) or (ii) borrow up to $3,400,000,000, less the Excess Equity Proceeds (as defined below) and the gross cash proceeds from the Notes Issuance on or prior to the
Bridge Funding Date (as defined below), if any, in aggregate principal amount of senior unsecured bridge loans (the “Initial Bridge Loans”) under a new senior unsecured bridge facility (the “Bridge Facility”), (c)
Crown Castle Operating Company, a wholly-owned subsidiary of the Borrower (“CCOC”), will borrow revolving loans in an aggregate amount up to $1,000,000,000 pursuant to the Credit Agreement dated as of January 31, 2012 (and as
amended, restated, supplemented or otherwise modified from time to time),

  

	1 	 Capitalized terms used herein but not otherwise defined have the meanings assigned thereto in the Commitment Letter to which this Exhibit A is
attached, including the other exhibits thereto (the “Commitment Letter”). 

			
		  	among the Borrower, CCOC, as borrower, the lenders and issuing banks party thereto, The Royal Bank of Scotland plc, as administrative agent, and Morgan Stanley Senior Funding Inc., as co-documentation agent, as amended (the
“Revolver Borrowing”) and (d) the Borrower will apply the proceeds from the Equity Offering, the Notes Issuance, the Initial Bridge Loans and the Revolver Borrowing, together with cash on hand on the date on which the
Acquisition is consummated (the “Acquisition Closing Date”), to (i) fund the Purchase Price, (ii) redeem or repurchase some or all of the Borrower’s 7.125% Senior Notes due 2019 and (iii) pay the fees and expenses incurred in
connection with the Transactions (as defined below) (the “Transaction Costs”). The aggregate commitments under the Bridge Facility shall be permanently reduced dollar-for-dollar by an amount equal to the gross cash proceeds
(including any proceeds in escrow) received from the Notes Issuance subsequent to the date hereof and on or prior to the Bridge Funding Date. In addition, in the event the aggregate gross cash proceeds of the Equity Offering exceed the Initial
Equity Proceeds (the “Excess Equity Proceeds”), the aggregate commitments under the Bridge Facility shall be permanently reduced dollar-for-dollar by an amount equal to the Excess Equity Proceeds. The transactions described in
clauses (a) through (d) of this paragraph, together with the Acquisition, are collectively referred to herein as the “Transactions”.
		
	Administrative Agent:	  	Morgan Stanley Senior Funding, Inc. will act as sole administrative agent for the Bridge Facility (in such capacity, the “Administrative Agent”) for a syndicate of financial institutions (other than the Disqualified
Institutions) (the “Bridge Lenders”), and will perform the duties customarily associated with such role.

  
 2 

			
	Joint Lead Arrangers and Joint Bookrunners:	  	Morgan Stanley Senior Funding, Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, J.P. Morgan Securities LLC, Barclays Bank PLC and the other joint lead arrangers and joint bookrunners appointed pursuant to the Commitment
Letter, will act as joint lead arrangers and joint bookrunners for the Bridge Facility (each in such capacity, a “Lead Arranger” and, collectively in such capacities, the “Lead Arrangers”) and will perform the
duties customarily associated with such roles; provided that with respect to the Bridge Facility, each of Morgan Stanley Senior Funding, Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated and J.P. Morgan Securities LLC shall be
active joint lead arrangers and joint bookrunners and Barclays Bank PLC shall be a passive joint lead arranger and joint bookrunner.
		
	Use of Proceeds:	  	The proceeds of the Equity Offering, the Notes Issuance, the Initial Bridge Loans and the Revolver Borrowing, together with cash on hand at the Borrower on the Acquisition Closing Date, will be used by the Borrower on the
Acquisition Closing Date to pay the Transaction Costs, to fund the Purchase Price and to redeem or repurchase some or all of the Borrower’s outstanding 7.125% Senior Notes due 2019.
		
	Availability:	  	 The Initial Bridge Loans shall be made in a single drawing on the Acquisition Closing Date substantially simultaneously with the consummation
of the Acquisition or, at the request of the Borrower, on the business day prior to the anticipated Acquisition Closing Date (a “Pre-Acquisition Closing Date Funding”). The date on which the Initial Bridge Loans are funded, whether
on or prior to the Acquisition Closing Date, the “Bridge Funding Date”.
  

In the event of a Pre-Acquisition Closing Date Funding, the net proceeds of such drawing shall be maintained by the Borrower in a segregated deposit account
until the Acquisition Closing Date. The Senior Bridge Credit Documentation shall (a) include an affirmative covenant requiring the Borrower to utilize the proceeds of the Initial Bridge Loans solely for the purposes described under the caption
“Use of Proceeds” above and (b) provide that, in the event the Acquisition Closing Date Conditions (as defined in Exhibit B to the Commitment Letter) are not satisfied (or otherwise waived) within five business days of the Bridge Funding
Date, the Borrower shall promptly prepay in full all outstanding Initial Bridge Loans.

  
 3 

			
	Ranking:	  	The Initial Bridge Loans will be senior unsecured debt of the Borrower and will rank pari passu with all other senior unsecured debt of the Borrower and senior to all future subordinated debt of the Borrower.
		
	Guarantees:	  	None.
		
	Collateral:	  	None.
		
	Interest Rates and Fees:	  	As set forth on Annex I hereto.
		
	Default Rate:	  	With respect to overdue principal, interest, fees or other amounts, the applicable interest rate plus 2.00% per annum.
		
	Amortization:	  	None.
		
	Maturity Date/Exchange:	  	 The Initial Bridge Loans shall initially mature on the 364-day anniversary of the Bridge Funding Date (the “Initial Maturity
Date”).
  
 If any Initial Bridge Loan has not been repaid in full on or prior to
the Initial Maturity Date and no bankruptcy event of default (with respect to the Borrower) then exists, such Initial Bridge Loan shall automatically be converted into a senior unsecured term loan (collectively, the “Extended Term
Loans” and, together with the Initial Bridge Loans, the “Bridge Loans”) due on the 8-year anniversary of the Bridge Funding Date (the “Extended Maturity Date”). The Extended Term Loans will be governed by
the provisions of the Senior Bridge Credit Documentation (as defined below) and, except as otherwise set forth in Annex II, will have the same terms as the Initial Bridge Loans.

 
 The lenders in respect of such Extended Term Loans will have the option, upon not less
than 5 business days notice, at any time or from time to time after the Initial Maturity Date, to receive, in exchange for such Extended Term Loans, senior unsecured exchange notes (the “Exchange Notes”) having an equal principal
amount and that will be issued pursuant to an indenture having terms, to the extent not expressly set forth in Annex II, consistent with and substantially similar to those set forth in the 5.25% Indenture (as defined below); provided that the
Borrower may defer the issuance of the Exchange Notes until such time as the Borrower has received requests to issue an aggregate principal amount of Exchange Notes equal to at

  
 4 

			
		  	least $100,000,000.
		
		  	The Initial Bridge Loans, the Extended Term Loans and the Exchange Notes shall rank pari passu for all purposes.
		
	Mandatory Prepayments:	  	 The Borrower will be required to prepay Initial Bridge Loans on a pro rata basis, at par plus accrued and unpaid interest, from:
(a) 100% of the net cash proceeds of (x) the Notes Issuance or the issuance of any other Securities (as defined in the Fee Letter) and (y) any other debt for borrowed money incurred by the Borrower and its subsidiaries (other than borrowings
under existing credit facilities (including the Revolver Borrowing) and indebtedness incurred in the ordinary course of business), (b) 100% of the net cash proceeds from issuances of public equity by the Borrower and (c) 100% of the net cash
proceeds from any non-ordinary course asset sales or other disposition (including as a result of casualty or condemnation) by the Borrower and its subsidiaries, in each case, that are effected after the Bridge Funding Date and subject to exceptions
(including, in the case of clause (c), reinvestment rights) and baskets consistent with the Documentation Considerations (as defined below) to be agreed.
  

In addition, the Borrower will also be required to offer to repay the Initial Bridge Loans upon the occurrence of a change of control (to be defined in a
manner consistent with the Documentation Considerations) at 100% of the outstanding principal amount thereof plus accrued and unpaid interest.

		
	Optional Prepayments:	  	The Initial Bridge Loans may be prepaid, in whole or in part, at the option of the Borrower, at par plus accrued and unpaid interest.
		
	Senior Bridge Credit Documentation:	  	The definitive financing documentation for the Bridge Facility (the “Senior Bridge Credit Documentation”) shall contain the terms and conditions set forth in the Commitment Letter and such other terms as the
Borrower and the Lead Arrangers shall agree; it being understood and agreed that the Senior Bridge Credit Documentation will be customary for unsecured bridge facilities of this type and, to the extent not expressly set forth in this Term Sheet,
will contain terms and conditions (including with respect to covenants and events of default) consistent with and substantially similar to those set forth in the Indenture dated as of October 15, 2012, between the Borrower and

  
 5 

			
		  	The Bank of New York Mellon Trust Company, N.A., as Trustee, relating to the Borrower’s 5.25% Senior Notes due 2023 (the “5.25% Indenture”) filed with the Securities and Exchange Commission on October 16,
2012 (collectively, the “Documentation Considerations”).
		
	Representations and Warranties:	  	The Senior Bridge Credit Documentation will contain customary representations and warranties for similar transactions; provided that the only representations and warranties the making and accuracy of which shall be a
condition to the availability of the Bridge Facility on the Bridge Funding Date shall be the Specified Purchase Agreement Representations and the Specified Representations (or, in the event of a Pre-Acquisition Closing Date Funding, solely the
Specified Representations).
		
	Conditions Precedent to Initial Borrowing:	  	Limited to those specified in the Conditions Exhibit.
		
	Affirmative Covenants:	  	The Senior Bridge Credit Documentation will contain affirmative covenants that are consistent with the Documentation Considerations.
		
	Negative Covenants:	  	The Senior Bridge Credit Documentation will contain negative covenants that are consistent with the Documentation Considerations.
		
	Financial Covenants:	  	None.
		
	Events of Default:	  	 The Senior Bridge Credit Documentation will contain events of default (including grace period and threshold amounts) that are consistent with
the Documentation Considerations.
  
 If an event of default (other than a bankruptcy
event of default) shall occur and be continuing, the Administrative Agent (with the consent of the Required Bridge Lenders (as defined below)), by written notice to the Borrower, may declare the principal of, and all accrued interest on, all Bridge
Loans to be due and payable immediately. If a bankruptcy event of default (with respect to the Borrower) occurs, the principal of and accrued interest on the Bridge Loans will be immediately due and payable without any notice, declaration or other
act on the part of the holders of the Bridge Loans. An acceleration notice may be annulled and past defaults (except for monetary defaults not yet cured) may be waived by the Required Bridge

  
 6 

			
		  	Lenders.
		
	Voting:	  	Amendments and waivers of the Senior Bridge Credit Documentation will require the approval of Bridge Lenders holding more than 50% of the aggregate principal amount of the then outstanding Bridge Loans (the “Required
Bridge Lenders”), except that (a) the consent of each Bridge Lender directly and adversely affected thereby shall be required with respect to (i) reductions in the principal of any Bridge Loan owed to such Bridge Lender, (ii)
except as contemplated under “Maturity Date/Exchange” above, extensions of the Initial Maturity Date, the Extended Maturity Date or the due date of any interest or fee payment, (iii) reductions in the rate of interest or the
amount of any fees or other amounts owed to such Bridge Lender, (iv) additional restrictions on the rights to exchange Extended Term Loans for Exchange Notes or any amendment of the rate of such exchange, (v) changes in call dates or call prices
(other than notice provisions) and (vi) changes in pro rata sharing provisions and (b) the consent of 100% of the Bridge Lenders shall be required with respect to modifications of any voting percentages.
		
		  	The Senior Bridge Credit Documentation shall contain provisions allowing the Borrower to replace a Bridge Lender in connection with amendments and waivers requiring the consent of all Bridge Lenders or of all Bridge Lenders directly
affected thereby (so long as the consent of the Required Bridge Lenders has been obtained with respect to such amendment or waiver).
		
	Cost and Yield Protection:	  	The Senior Bridge Credit Documentation will contain customary cost and yield protection provisions.
		
	Assignments and Participations:	  	Subject to the prior approval of the Administrative Agent (such approval not to be unreasonably withheld) and compliance with applicable securities laws, the Bridge Lenders will have the right to assign Bridge Loans (other than to
any Disqualified Institution or a natural person) in consultation with (but without the consent of) the Borrower; provided, however, that prior to the Initial Maturity Date, unless a Demand Failure Event (as defined in the Fee
Letter) or a payment or bankruptcy event of default has occurred and is continuing, the consent of the Borrower shall be required with respect to any assignment if, subsequent thereto, the Committed Lenders would hold, in the aggregate, less than
51% of the outstanding

  
 7 

			
		  	Initial Bridge Loans.
		
		  	The Senior Bridge Credit Documentation shall provide that, so long as no default or event of default is continuing, Bridge Loans may be purchased by and assigned to the Borrower or any of its subsidiaries through (a) any offer to
purchase or take by assignment open to all Bridge Lenders on a pro rata basis in accordance with customary procedures to be agreed and/or (b) open market purchases on a non pro rata basis; provided that Bridge Loans owned or held by the
Borrower or any of its subsidiaries shall be cancelled for all purposes.
		
		  	The Bridge Lenders will have the right to participate their Bridge Loans (other than to any Disqualified Institution or a natural person) without restriction, other than customary voting limitations. Participants will have the same
benefits as the selling Bridge Lenders would have (and will be limited to the amount of such benefits) with regard to yield protection and increased costs, subject to customary limitations and restrictions.
		
	Expenses and Indemnification:	  	 Upon and subject to the funding of the Bridge Facility, the Borrower will pay all reasonable out-of-pocket costs and expenses of the
Administrative Agent, the Lead Arrangers, the Bridge Lenders and their respective affiliates associated with the syndication of the Bridge Facility, the preparation, negotiation, execution, delivery and administration of the Senior Bridge Credit
Documentation and amendments, modifications and waivers thereof (including the reasonable fees, disbursements and other charges of one firm of counsel to the Administrative Agent and its affiliates). In addition, all out-of-pocket expenses of the
Administrative Agent, the Lead Arrangers and the Bridge Lenders (including the fees, disbursements and other charges of counsel to any of the foregoing) for enforcement costs associated with the Bridge Facility are to be paid by the Borrower.

 
 The Borrower will indemnify the Lead Arrangers, the Administrative Agent, the Bridge
Lenders and their respective affiliates and each of their respective directors, officers, employees, trustees, agents, managers, representatives, controlling persons and advisors and hold them harmless from and against all losses, claims, damages,
liabilities and related expenses (including the fees, charges and disbursements of a single counsel for all the indemnified persons and one local counsel for all the

  
 8 

			
		  	indemnified persons in each relevant local jurisdiction (and, in the case of an actual or perceived conflict of interest where the indemnified person affected by such conflict informs you of such conflict and retains its own
counsel, of another firm of counsel for such affected indemnified person)) of any such indemnified person arising out of, in connection with, or as a result of, the Transactions, including the financings contemplated thereby, or any transactions
connected therewith or any claim, litigation, investigation or proceeding (regardless of whether any such indemnified person is a party thereto and regardless of whether such claim, litigation, investigation or proceeding is brought by a third party
or by the Borrower or any of its subsidiaries) that relate to any of the foregoing; provided that the foregoing indemnity will not, as to any indemnified person, apply to losses, claims, damages, liabilities or related expenses to the extent
they (i) are found in a final and non-appealable judgment of a court of competent jurisdiction to have resulted from the wilful misconduct, bad faith or gross negligence of, or material breach of the Commitment Letter or the Senior Bridge Credit
Documentation by, such indemnified person or (ii) result from a proceeding that does not involve an act or omission by the Borrower or any of its affiliates and that is brought by an indemnified person against any other indemnified person (other
than claims against any arranger or agent in its capacity or in fulfilling its roles as an arranger or agent pursuant to the Commitment Letter or any similar role with respect to the Bridge Facility).
		
	Governing Law and Forum:	  	New York.

  
 9 

 ANNEX I 
  

			
	Interest Rates:	  	 On or prior to the Initial Maturity Date, the Initial Bridge Loans will accrue interest at a rate per annum equal to Adjusted LIBOR (as
defined below) plus 5.25%.
  
 Such spread over Adjusted LIBOR will increase by 50
bps at the end of the first 3-month period following the Bridge Funding Date and at the end of each 3-month period thereafter (through, but not including, the Initial Maturity Date).

 
 Notwithstanding anything to the contrary, the interest rate applicable to the Initial
Bridge Loans shall not exceed the Total Cap (as defined in the Fee Letter).

		
		  	Following the Initial Maturity Date, all outstanding Extended Term Loans will accrue interest at the rate provided therefor under the heading “Interest Rate” on Annex II hereto.
		
		  	 Calculation of interest shall be on the basis of actual days elapsed in a year of 360 days.

 
 Interest will be payable in cash in arrears (a) for the Initial Bridge Loans, at the end
of each 3-month interest period and on the Initial Maturity Date and (b) for the Extended Term Loans, semi-annually commencing on the date that is 6 months after the Initial Maturity Date and on the final maturity date.

		
		  	“Adjusted LIBOR” means for each 3-month period after the Bridge Funding Date, the greater of (a) 0.75% and (b) the rate (adjusted for statutory reserve requirements for Eurocurrency liabilities) for Eurodollar
deposits for such 3-month period appearing on Reuters Screen LIBOR01 Page (or otherwise on the Reuters Screen).

 ANNEX II 

Summary of Terms and Conditions of the 

Exchange Notes and the Extended Term Loans 

Capitalized terms used but not otherwise defined herein shall have the meanings assigned to such terms in Exhibit A to which this
Annex II is attached. 
  

			
	Issuer:	  	The Borrower (the “Issuer”).
		
	Principal Amount:	  	The Exchange Notes will be available only in exchange for the Extended Term Loans on or after the Initial Maturity Date. The principal amount of any Exchange Note will equal 100% of the aggregate principal amount of the Extended
Term Loan for which it is exchanged, and any accrued interest then not due will be carried over. In the case of the initial exchange by the Bridge Lenders, the minimum aggregate principal amount of Extended Term Loans to be exchanged for the
Exchange Notes shall not be less than $100,000,000; provided that a Bridge Lender may not elect to exchange only a portion of its outstanding Extended Term Loans for Exchange Notes unless such portion is equal to or greater than
$100,000,000.
		
	Maturity Date:	  	The Exchange Notes and the Extended Term Loans will mature on the 8-year anniversary of the Bridge Funding Date.
		
	Interest Rate:	  	 The Exchange Notes and the Extended Term Loans will bear interest at a rate per annum equal to the Total Cap.

 
 At any time when the Issuer is in default in the payment of any amount under the Exchange
Notes or Extended Term Loans, such overdue amounts shall bear interest at 2.00% per annum above the rate otherwise applicable thereto.

		
		  	Interest will be payable on the Exchange Notes in arrears semi-annually commencing on the date that is 6 months after the Initial Maturity Date and on the final maturity date. Interest on the Exchange Notes shall be calculated on
the basis of a year of 360 days.
		
	Optional Redemption:	  	 The Extended Term Loans may be prepaid, in whole or in part, at the option of the Issuer, at par plus accrued and unpaid interest to
the redemption date.
  
 The Exchange Notes will be (a) non-callable for the first 4
years from the Bridge Funding Date (subject to a 35% equity clawback within the first three years after the Initial Maturity Date and customary make-whole provisions) and (b)

			
		  	thereafter, callable at par plus accrued interest plus a premium equal to 50% of the coupon in effect on such Exchange Notes, which premium shall decline ratably on each yearly anniversary of such sale to zero one year prior to the
maturity of the Exchange Notes; provided that (i) such call protection shall not apply to any call for redemption issued prior to the issuance of any Exchange Note and (ii) so long as any such Exchange Notes are held by the Committed Lenders
or their affiliates (other than Asset Management Affiliates (as defined in the Fee Letter) or for bona fide market making purposes), such notes shall be callable at any time at par plus accrued interest.
		
	Mandatory Offer to Purchase:	  	 The Issuer will be required to offer to repay the Extended Term Loans upon the occurrence of a change of control (to be defined in a manner
consistent with the Documentation Considerations) and, subject to exceptions to be agreed and consistent with the Documentation Considerations, upon the consummation of non-ordinary course asset sales (which offers shall be at 100% of the principal
amount of such Extended Term Loans, plus accrued and unpaid interest).
  
 Unless
the Issuer has exercised its right to redeem the Exchange Notes, the Issuer will be required to offer to repurchase the Exchange Notes upon the occurrence of a change of control (to be defined in a manner consistent with the Documentation
Considerations) and, subject to exceptions to be agreed and consistent with the Documentation Considerations, upon the consummation of non-ordinary course asset sales (which offers shall be at 101% of the principal amount of such Exchange Notes
(unless such Exchange Notes are held by the Committed Lenders or their affiliates, other than Asset Management Affiliates or for bona fide market making purposes, in which case the change of control offer shall be at 100% of the principal amount of
such Exchange Notes) in the case of a change of control offer and 100% of the principal amount of such Exchange Notes in the case of any such asset sale offer, in each case plus accrued and unpaid interest).

		
	Right to Transfer Exchange Notes:	  	The holders of the Exchange Notes shall have the absolute and unconditional right to transfer such Exchange Notes in compliance with applicable law to any third parties.
		
	Covenants:	  	The Exchange Notes shall be subject to covenants that are consistent with the Documentation Considerations and based on those contained in the preliminary offering memorandum or prospectus, if any, used to market the
Notes.

  
 2 

			
	Defeasance; Satisfaction and Discharge:	  	The Exchange Notes shall be subject to defeasance and satisfaction and discharge provisions that are consistent with the Documentation Considerations and based on those contained in the preliminary offering memorandum or
prospectus, if any, used to market the Notes.
		
	Events of Default:	  	The Exchange Notes shall be subject to events of default (including grace periods and threshold amounts) that are consistent with the Documentation Considerations and based on those contained in the preliminary offering
memorandum or prospectus, if any, used to market the Notes.
		
	Governing Law and Forum:	  	New York.

  
 3 

 EXHIBIT B 

Summary of Conditions Precedent 

The availability and funding of the Bridge Facility shall be subject to the satisfaction (or waiver) of solely the following conditions;
provided, however, that, in the event of a Pre-Acquisition Closing Date Funding, the availability and funding of the Bridge Facility shall be subject to the satisfaction (or waiver) of solely the following conditions, other than the
conditions set forth in paragraphs 2, 4 and 5 below (such other conditions, the “Acquisition Closing Date Conditions”). 

Capitalized terms used but not otherwise defined herein have the meanings assigned to such terms in the Commitment Letter (including the
Exhibits and Annexes thereto) to which this Exhibit B is attached. 
  

	1.	The Borrower shall have executed and delivered the Senior Bridge Credit Documentation and the Lead Arrangers and the Committed Lenders shall have received: 

 

	 	(a)	customary closing certificates, good standing certificates, borrowing notices and legal opinions; and 

  

	 	(b)	a certificate of the chief financial officer (or other officer with reasonably equivalent responsibilities) of the Borrower in an agreed form certifying that the Borrower and its subsidiaries, on a consolidated basis,
after giving effect to the Transactions, are solvent. 

  

	2.	The Specified Purchase Agreement Representations shall be true and correct as of the Bridge Funding Date (or, in the event of a Pre-Acquisition Closing Date Funding, the Acquisition Closing Date) (except, in the case of
any Specified Purchase Agreement Representation which expressly relates to a given date or period, such representation and warranty shall be true and correct as of the respective date or for the respective period, as the case may be).

  

	3.	The Specified Representations shall be true and correct in all material respects as of the Bridge Funding Date (except, in the case of any Specified Representation which expressly relates to a given date or period, such
representation and warranty shall be true and correct in all material respects as of the respective date or for the respective period, as the case may be); provided that, to the extent that any of the Specified Representations are qualified
by or subject to a “material adverse effect”, “material adverse change” or similar term or qualification, the definition thereof shall be a Closing Date Material Adverse Effect (as defined below) for purposes of any such
representations and warranties made or deemed made on, or as of, the Bridge Funding Date (or any date prior thereto). 

  

	4.	 The Acquisition shall be consummated in compliance with applicable law in accordance with the terms of the Purchase Agreement, but without giving
effect to any amendments, waivers or consents by the Borrower that are materially adverse to the interests of the Committed Lenders or the Lead Arrangers in their respective capacities as such without the consent of the Lead Arrangers (it being
understood that (a) any decrease in the 

  
 Conditions 

Exhibit B – Page 1 

	 	
Purchase Price shall not be materially adverse to the interests of the Committed Lenders or the Lead Arrangers so long as such decrease is allocated to reduce the Bridge Facility and the Notes on
a dollar-for-dollar basis, (b) any increase in the Purchase Price which is funded solely with cash on hand, borrowings under the Borrower’s existing credit facilities or the proceeds of the Equity Offering, and not with proceeds of other
indebtedness shall not be materially adverse to the Committed Lenders or the Lead Arrangers and (c) the granting of any consent under the Purchase Agreement that is not materially adverse to the interests of the Committed Lenders or the Lead
Arrangers shall not otherwise constitute an amendment or waiver). After giving effect to the Acquisition and the financing contemplated hereby, the Borrower and its subsidiaries will have no indebtedness for borrowed money other than the Bridge
Facility, the Notes, borrowings under their existing credit facilities, indebtedness incurred in the ordinary course of business and indebtedness in existence on the date hereof. 

 

	5.	The Equity Offering shall have been consummated on or prior to the Acquisition Closing Date. 

  

	6.	Since December 31, 2012, there shall have been no state of facts, change, effect, condition, development, event or occurrence that has had or would reasonably be expected to have, individually or in the aggregate,
a Closing Date Material Adverse Effect. “Closing Date Material Adverse Effect” means any state of facts, change, effect, condition, development, event or occurrence that is materially adverse to the assets, financial condition or
results of operations of the Included Property of the Sites taken as a whole, after giving effect to the transactions contemplated by the MLAs (as if such transactions were in effect on the date of the Purchase Agreement); provided,
however, that no adverse change or event arising directly or indirectly from or otherwise relating directly or indirectly to any of the following shall be deemed either alone or in combination to constitute, and no such adverse change or
event shall be taken into account in determining whether there has been or would be, a Closing Date Material Adverse Effect: (i) changes to the wireless communications industry in the United States generally or the communications tower
ownership, operation, leasing, management and construction business in the United States generally; (ii) the announcement or disclosure of the transactions contemplated by the Purchase Agreement; (iii) general economic, regulatory or
political conditions in the United States or changes or developments in the financial or securities markets; (iv) changes in GAAP or their application; (v) acts of war, military action, armed hostilities or acts of terrorism;
(vi) changes in Law; (vii) the taking of any action by any Person which is required to be taken pursuant to the terms of the Purchase Agreement; (viii) the termination of any Collocation Agreements of the type described on
Section 1.1(b) of the AT&T Disclosure Letter; or (ix) any matter identified in Section 10.2(i) of the AT&T Disclosure Letter, unless any of the facts, changes, effects, conditions, developments or occurrences set
forth in clauses (i), (iii) or (v) hereof disproportionately impacts or affects the Included Property of the Sites, taken as a whole, as compared to other similar portfolios of communications towers. Defined terms used in this paragraph
without definition shall have the meanings ascribed thereto in the Purchase Agreement. 

  
 Conditions 

Exhibit B -- Page 2 

	7.	All fees and expenses required to be paid on the Bridge Funding Date pursuant to documentation related to the Transactions entered into among the Borrower, the Lead Arrangers or the Committed Lenders, in each case to
the extent invoiced at least 3 business days prior to the Bridge Funding Date, shall have been paid (which amounts may be offset against the proceeds of the Bridge Facility). 

 

	8.	The Administrative Agent shall have received all documentation and other information required by regulatory authorities under applicable “know your customer” and anti-money laundering rules and regulations,
including the Patriot Act, that has been reasonably requested by the Committed Lenders at least 10 days in advance of the Bridge Funding Date. 

  

	9.	The Lead Arrangers and the Investment Banks (as defined in the Fee Letter) shall have received all customary information to be included in a customary offering memorandum or, at the option of the Borrower, a registered
offering prospectus supplement (in each case, other than the “description of the notes” and other information customarily provided by the Investment Banks or their counsel), including financial statements, business and other financial data
of the type required in a registered offering by Regulation S-X and Regulation S-K under the Securities Act (other than, in the case of a private placement under Rule 144A, (x) Rules 3-10, 3-14 and 3-16 of Regulation S-X, (y) any
historical or pro forma or other financial data or information with respect to the Acquired Assets or the Acquisition (to the extent not then currently available) and (z) other information customarily excluded in private placements pursuant to
Rule 144A promulgated under the Securities Act) or that would be necessary for the Investment Banks to receive customary (for high yield debt securities) “comfort” (including customary “negative assurance” comfort) from
independent accountants in connection with the Notes Issuance, and, in the case of the annual financial statements, the auditors’ reports thereon, together with drafts of customary comfort letters that such accounting firms are prepared to
deliver upon closing (the “Required OM Information”). 

  

	10.	The Investment Banks and the Lead Arrangers shall have been afforded a period (the “Marketing Period”) of at least 15 consecutive business days prior to the Bridge Funding Date following receipt of the
Required OM Information to seek to place the Notes with qualified purchasers thereof and to syndicate the Bridge Facility; provided that (a) the entirety of the Marketing Period shall occur before December 21, 2013 or after
January 6, 2014 and (b) November 28, 2013 and November 29, 2013 shall not be included in the Marketing Period. 

If the Borrower shall in good faith reasonably believe that it has delivered the Required OM Information, it may deliver to the Lead Arrangers
and the Investment Banks written notice to that effect (stating when it believes it completed the applicable delivery), in which case the Required OM Information shall be deemed to have been delivered on the date of the applicable notice unless the
Lead Arrangers and the Investment Banks in good faith reasonably believe that the Borrower has not completed delivery of the Required OM Information and, within 3 business days after its receipt of such notice from the Borrower, such person delivers
a written notice to the Borrower to that effect (stating with specificity the Required OM Information that has not been delivered). 

  
 Conditions 

Exhibit B -- Page 3

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