CROWN CASTLE INC. — Director's Dealing 2010

May 20, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CROWN CASTLE INTERNATIONAL CORP (CCI)
CIK: 0001051470
Period of Report: 2010-05-20

Reporting Person: MCKENZIE ROBERT F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-20	Common Stock $0.01 Par Value	M	5000	$24.8125	Acquired	45928	Direct
2010-05-20	Common Stock $0.01 Par Value	S	5000	$35.05	Disposed	40928	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-20	Stock Option (right to purchase Common Stock)	$24.8125	M	5000	Disposed	2010-05-25	Common Stock (5000)	Direct

Footnotes

F1: The option exercises and sales reported pursuant to this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person.