MediaOne Group, Inc. Key Operating Statistics- Pro Forma (1) For the Quarter Ended In thousands, except Mar 31, Dec 31, Mar 31, dollar amounts 2000 1999 1999 - - -------------------------------------------------------------------------- OPERATING STATISTICS- DOMESTIC CABLE - - ---------------------------------------- MediaOne Domestic Cable Statistics - - ---------- Homes Passed 8,621 8,560 8,441 Basic Video Customers 4,984 4,989 4,926 Basic Video Customer Growth (Y/Y) 1.2% 1.7% 1.2% Basic Video Penetration 57.8% 58.3% 58.4% Digital Video Customers 108 56 9 High Speed Data Customers 278 220 114 Two-Way Market Ready Penetration 5.5% 4.8% 3.9% Telephone Customers 94 66 17 Telephone Lines 126 88 22 Network Upgraded to 750 MHz. Two-Way 79% 76% 55% Results Per Customer - - ---------------------- Video Monthly Revenue per Customer $ 43.97 $ 43.19$ 42.58 Total Monthly Broadband Revenue per Customer $ 47.24 $ 45.04$ 43.78 Video EBITDA Margin (with Year 2000 costs) 40.3% 40.0% 41.0% Total EBITDA Margin 37.0% 35.9% 36.6% - - -------------------------------------------------------------------------- (1) Results reflect pro forma adjustments for acquisitions, dispositions and other asset transactions. - - -------------------------------------------------------------------------- -8-