Introduction to Crown Castle When coverage or capacity gaps are identified by the wireless carriers, Crown Castle will either: – Provide a fix by easily & simply collocating on one of our towers, – If we do not have a tower, we will identify another structure that will solve the problem, – If there are no towers or other suitable structures, we will build a tower – If a tower can not be built due to zoning or other impediments, we will build a distributed antenna system (DAS) Our Mission is to deliver the highest level of service to our customers at all times – striving to be their critical partner as we assist them in growing efficient, ubiquitous wireless networks.

Wireless Demand Mobile Wireless Bandwidth Demand (1)Swanson and Gilder, Estimating the Exaflood, Discovery Institute, January (2)Fortune, November 7, Source: GeoResults, Inc. Migration to 4G networks will drive bandwidth growth.  3G base stations have only 10 MB of capacity.  4G base stations will have approximately 300 MB of capacity, or 100 MB per antenna. (2)  Verizon began testing its LTE 4G network in 2009  AT&T and Verizon have both targeted 2010 for their 4G network launch.  $19.4B wireless data revenue in 1H2009 = 31% increase over 1H2008  Wireless data revenue represents 25% of total wireless revenue and growing

1.Networks are moving to more data centric in nature 2.LTE and advanced networks A.LTE air interface brings first true broadband air interface with sufficient speed to justify fiber backbones B.Network design requires additional sites to achieve advertised throughput levels C.Carriers are looking to get better in building and in home penetration 3.Capacity Constraints A.Carriers are trying to get as much traffic as possible off the macro networks thru in building systems and Wi-Fi B.Proliferation of smart phones lead to massive growth in data demand while voice traffic continues to grow as well 4 Trends in DAS

Agreements necessary to deploy DAS Pole Attachments Right-of -Way Carrier Agreements Hub Site

Local Regulation of DAS Right-of-Way Regulation Federal law mandates access Crown subsidiary is a state-certified CLEC Municipality can administer the right-of-way and set safety rules Fees must be reasonable and competitively neutral Zoning/Land use control Federal law preserves local discretion to review antenna siting Locality is concerned with visual impact and delivery of basic services DAS promotes wireless ordinance goals − low impact, shared facilities Equipment of the same size is routinely installed on poles without local review

Flexibility in DAS Solutions to Serve Local Goals Hunter Mill, VA Scottsdale, AZ Stanford University, CA Colonial Williamsburg, VA Pelican Hill, CA