CROWN CASTLE INC. — Director's Dealing 2017

Dec 14, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CROWN CASTLE INTERNATIONAL CORP (CCI)
CIK: 0001051470
Period of Report: 2017-12-12

Reporting Person: Collins Robert Sean (Vice President and Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-12-12	Common Stock, $0.01 Par Value	M	1216	—	Acquired	1216	Direct
2017-12-12	Common Stock, $0.01 Par Value	F	383	$110.91	Disposed	833	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-12-12	Time RSUs	$	M	1216	Acquired		Common Stock (1216.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, $0.01 Par Value	7	Indirect

Footnotes

F1: Represents shares withheld by the issuer to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of certain Restricted Stock Units ("RSUs") previously granted to the Reporting Person. Such withholding is exempt from Section 16 (b) pursuant to Rule 16b-3(e).

F2: Represents shares previously acquired in transactions exempt under Rule 16b-3(c).

F3: Each Restricted Stock Unit ("RSU") is issued pursuant to the Company's 2013 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock, and vesting (i.e., forfeiture restriction termination) generally is subject to (i) the reporting person remaining an employee or director of the Company or its affiliates and (ii) the other criteria described in the footnote below.

F4: These Time RSUs were previously granted on December 12, 2016. 33 1/3% of the original grant amount of these Time RSUs vests on December 12 of each of 2017, 2018 and 2019.