CROWN CASTLE INC. — Director's Dealing 2018

Feb 21, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CROWN CASTLE INTERNATIONAL CORP (CCI)
CIK: 0001051470
Period of Report: 2018-02-19

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-19	Common Stock, $0.01 Par Value	M	580	—	Acquired	1413	Direct
2018-02-19	Common Stock, $0.01 Par Value	F	196	$109.12	Disposed	1217	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-19	Time RSUs	$	M	580	Acquired		Common Stock (580.0)	Direct

Holdings (Non-Derivative)

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

Footnotes

F1: Represents shares withheld by the issurer to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of certain shares of restricted stock 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: 33 1/3% of the Time RSUs vests on February 19 of each of 2018, 2019 and 2020.