| CLEC | Number of Buildings | Number of Local Markets/Networks | Average Number of Buildings/Market |
|---|---|---|---|
| WinStar | Over 5,500 | Over 30 | 183 |
| Teligent | Over 3,100 | 26 | 119 |
| e.Spire | 3,231 | 35 | 92 |
| MCIW | Over 33,000 | 100 | 330 |
| ELI | 783 | 7 | 111 |
| AT&T | 22,680 | 83 | 273 |
| NEXTLINK | 14,804 | 38 | 390 |
| ICG | 6,126 | 18 | 340 |
ĖSources: WinStar Press Release, “WinStar Gains Access Rights to More Than 700 Buildings in Second Quarter,” July 8, 1999; Teligent Press Release, “Teligent Report First Quarter Revenue of $1.5M, Tripling Total for Fourth Quarter 1998,” May 12, 1999; “e.Spire Fact Sheet, at g744http://www2.espire.net/investorfactsheets/factsheet1q99.cfm; MCI Worldcom Corporate Overview at g744www.wcom.com/about—the—company/corporate—overview/international—fact—sheet/; ELI Press Release, “IXC Chooses Electric Lightwave as its Preferred Local Access Provider,” July 14, 1999; AT&T Form 10-Q, March 31, 1999; NEXTLINK Communications Form 10-Q, March 31, 1999, filed May 14, 1999; and ICG Communications Form 10-Q, March 31, 1999, filed May 17, 1999.