($ IN MILLIONS)  2000  1999 1998
    Q3 Q2 Q1 Q4 Q3* Q2 Q1 Q4 Q3 Q2 Q1
                     
1 TOTAL ADS SERVED, QUARTER (BILLIONS) 162 149 125 77 44 30 21 14 8 7 5
  TOTAL ADS SERVED, FINAL MONTH (BILLIONS) 61 53 48 30 17 11 8 5 3 2 2
  % GROWTH 15% 10% 63% 74% 56% 38% 53% 59% 33% 30% 90%
                         
2 CUSTOMERS:                      
2A # OF ADVERTISERS ON THE DOUBLECLICK NETWORKS 4,927 5,461 4,719 4,363 3,657 3,100 2,300 2,300 2,200 1,800 1,400
  KEY ADVERTISER RETENTION 76% 90% 88% 94% 93% 93% 88% 92% 93% 88% 83%
                         
2B # CLIENTS- TOTAL TECH (Q3 and Q4 w/ former NetGravity) 1,841 1,586 1311 1050 852 893 675 570 440 320 220
  % CHANGE 16% 21% 25% 23% -5% 32% 18% 30% 38% 45% 120%
  TECH CUSTOMER RETENTION 99% 99% 99%                
                         
2C # PUBLISHERS- NETWORK TOTAL 1,442 1,304 1,208 750 651 490 360 340 270 230 170
  % CHANGE 11% 8% 61% 15% 33% 36% 6% 26% 17% 35% 100%
                         
2D # CLIENTS - TOTAL Tech & Publishers 3,283 2,890 2,519 1,800 1,503 1,383 1,035 910 710 550 390
                         
2E ABACUS DIRECT ALLIANCE MEMBERS 1,791 1,711 1,645 1,566 1,485            
                         
2F NUMBER OF CUSTOMERS - TOTAL DOUBLECLICK 10,001 10,062 8,883 7,729 6,645 4,483 3,335 3,210 2,910 2,350 1,790
                         
3 TOTAL CO HEADCOUNT (adjusted historically for Mergers) 2,104 1,981 1,806 1,386 1,168 1,070 943 836 707 629 549
  % GROWTH 6% 10% 30% 19% 9% 20% 14% 29% 20% 25% 34%
                         
4 GAAP REVENUE 135.2 128.1 110.1 93.7 75.3 49.9 39.4 45.8 39.8 29 24.1
  % GROWTH 6% 16% 18% 24% 51% 27% -14% 15% 37% 20%  
  SYSTEMS REVENUE - $M (adjusted historically for Mergers) $156.06 $148.32 $130.00 $114.60 $90.80 $62.90 $48.50 $45.80 $39.80 $29.00 $24.10
  % GROWTH 5% 14% 13% 26% 44% 41% 7% 40% 20% 33%  
  GROSS PROFIT 77.9 68.5 57.6 52.1 46.1 28.8 24.1 21.6 23.9 13.9 12.2
  % GP ON GAAP 58% 53% 52% 56% 61% 58% 61% 47% 60% 48% 50%
  % GP ON SYSTEMS 50% 46% 44% 45% 51% 46% 50% 47% 60% 48% 50%