<PAGE> 1
EXHIBIT 99.1
Slide Title: Customer mix as a Percent of Revenue;
Back to Historical Mix with Enterprise at 70%
[Bar graph omitted]
<TABLE>
<CAPTION>
1Q00 2Q00 3Q00
----------------- ----------------- -----------------
<S> <C> <C> <C>
Enterprises 50% 65% 70%
Dot.coms 35% 25% 20%
ASPs 15% 10% 10%
</TABLE>
4
<PAGE> 2
EXHIBIT 99.1 (Continued)
Slide Title: Customer Quality Highlights-- 3Q00
- Lowered operational Days Sales Outstanding (DSO) by 27% since
3Q99 to 66 days
- Over 90 day receivables as a percent of total accounts receivable
attributable to dot.coms is only mid single digits
- Strong focus on credit and collection efforts through 2000
- Requiring deposits and/or letters of credit
- Manage bad debt exposure
- Timely bill Audits
- WorldCom has healthy enterprise customer base
5
<PAGE> 3
EXHIBIT 99.1 (Continued)
Slide Title: Looking Forward, Digex and WorldCom
- Accelerates time to market
- Global enterprise sales force
- Network with unmatched global reach
- Extensive worldwide data center build out
- More efficient capital model
- WorldCom's balance sheet reduces risk and dramatically improves access
to capital
- Significant upside to Digex business plan
6
<PAGE> 4
EXHIBIT 99.1 (Continued)
Slide Title: Increased Guidance
<TABLE>
<CAPTION>
($ in Millions, except EPS) 4Q00 Estimated 2000 Estimated
-------------------------- -------------------------
<S> <C> <C>
Old Revenue Guidance $52 - $54 $168 - $170
New Revenue Guidance $58 - $60 $174 - $176
Possible Accounting Adjustment/ SAB 101 ($8) ($8)
Old EBITDA Guidance ($17 - $18) ~ ($70)
New EBITDA Guidance ($15 - $16) ~ ($68)
Old Capital Expenditures Guidance $50 - $60 $225
New Capital Expenditures Guidance $50 - $60 $225
Old EPS Guidance ($0.68 - $0.72) ($2.28 - $2.32)
New EPS Guidance ($0.65 - $0.70) ($2.25 - $2.30)
</TABLE>
Note: If SAB 101 is adopted, Digex does not expect there to be any economic
impact to its business operations or cash flows.
