Ratings Report for ABC News' "Nightline" For the Week of January 24, 2011

"NIGHTLINE" IS NO. 1 AMONG ADULTS 18-49 AND ADULTS 25-54 FOR THE WEEK

"NIGHTLINE" IS NO. 1 SEASON TO DATE AMONG ADULTS 25-54 AND TOTAL VIEWERS FOR FIRST TIME SINCE 1993

ABC News' "Nightline" ranked as the No. 1 program in late night in Adults 25-54 (1.52 million) and Adults 18-49 (1.19 million), according to Nielsen Media Research for the week of January 24, 2011. "Nightline" ranked as the top program in both key adult demos for the 3rd time in the last 4 weeks. "Nightline" took second in Total Viewers (3.75 million), beating CBS' "The Late Show with David Letterman" by 21%.

Season to date, "Nightline" ranks in first place among Total Viewers and Adults 25-54. This is the first time "Nightline" that has been in first place at this point in the season since at least the 1993-94 season, when "Letterman" began on CBS. In addition, "Nightline" is up by +3% in Adults 25-54 season to date compared to the same point last year.

ABC News' "Nightline" is anchored by Cynthia McFadden, Terry Moran and Bill Weir. John Donvan and Vicki Mabrey are correspondents. James Goldston is the executive producer. The program airs weeknights at 11:35 p.m., ET on the ABC Television Network.

(Week of January 24, 2011)

TOTAL VIEWERS A25-54(000)/ Rtg A18-49(000)/ Rtg

ABC "Nightline" 3,750,000 1,520,000/ 1.2 1,190,000/ 0.9

CBS "Late Show" 3,090,000 1,400,000/ 1.1 990,000/ 0.7

NBC "Tonight" 3,880,000 1,510,000/ 1.2 1,160,000/ 0.9