Crown Castle Announces Revised Schedule for Second Quarter 2017 Earnings Release and Conference Call

Crown Castle International Corp. (NYSE:CCI) ("Crown Castle") today announced plans to release its second quarter 2017 results on Wednesday, July 19, 2017, at 5:00 a.m. eastern time.  Crown Castle has scheduled a conference call for Wednesday, July 19, 2017, at 7:30 a.m. eastern time to discuss its second quarter 2017 earnings and the recently announced Lightower transaction. The conference call may be accessed by dialing 800-967-7185 and asking for the Crown Castle call (access code 7235918) at least 30 minutes prior to the start time. The conference call may also be accessed live over the Internet at http://investor.crowncastle.com. Any supplemental materials for the call will be posted on the Crown Castle website at http://investor.crowncastle.com.

A telephonic replay of the conference call will be available from 10:30 a.m. eastern time on Wednesday, July 19, 2017, through 10:30 a.m. eastern time on Tuesday, October 17, 2017, and may be accessed by dialing 888-203-1112 and using access code 7235918. An audio archive will also be available on the company’s website at http://investor.crowncastle.com shortly after the call and will be accessible for approximately 90 days.

ABOUT CROWN CASTLE

Crown Castle provides wireless carriers with the infrastructure they need to keep people connected and businesses running. With approximately 40,000 towers and 60,000 route miles of fiber supporting small cells following the completion of the Lightower acquisition, Crown Castle is the nation's largest provider of shared wireless infrastructure with a significant presence in the top 100 US markets. For more information on Crown Castle, please visit www.crowncastle.com.

Contacts:	Dan Schlanger, CFO
	Son Nguyen, VP & Treasurer
	Crown Castle International Corp.
	713-570-3050