Ratings Report for ABC News' "Nightline" For the Week of August 23, 2010

"NIGHTLINE" IS NO. 1 AMONG TOTAL VIEWERS, ADULTS 25-54 FOR THE WEEK AND SEASON TO DATE

"NIGHTLINE" BESTS "LETTERMAN" 20 CONSECUTIVE WEEKS IN TOTAL VIEWERS�FIRST TIME IN 11 YEARS

"NIGHTLINE" EXPERIENCES WEEK-TO-WEEK GROWTH IN TOTAL VIEWERS, A25-54 AND A18-49

ABC News' "Nightline" is first among Total Viewers for the week of August 23, 2010 according to Nielsen Media Research. Also for the week, "Nightline" posted its best Adults 25-54 delivery in five weeks, tying NBC's "The Tonight Show" for first place for the week. In addition the late-night news program continues to rank first for the full 2009-2010 season to date, reporting 3.73 million Total Viewers, outperforming both CBS's "Late Show with David Letterman" and NBC's "Tonight Show." This marks the 23rd time this season that ABC has bested NBC in Total Viewers.

For the week of August 23, 2010, "Nightline" experienced week-to-week growth in all demos and outperformed "Letterman" among Total Viewers for the 20th consecutive week, which hasn't happened since 1999. Among both Total Viewers and Adults 18-49, "Nightline" climbed +5% week to week. In Adults 25-54, the growth was +4%.

The "Tonight Show" was in repeats last week, and "Letterman's" Friday average was excluded from the week's average due to CBS' NFL coverage.

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 August 23, 2010)

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

ABC "Nightline" 3,330,000 1,420,000/ 1.1 1,120,000/ .9

CBS "Late Show" 3,110,000 1,380,000/ 1.1 1,080,000/ .8

NBC "Tonight" 3,140,000 1,420,000/ 1.1 1,200,000 /.9

Source: The Nielsen Company, NTI Total Viewers, Adults 25-54 & Adults 18-49 Live+SD weeks of 8/23/10 & 8/16/10. Live+7 (where available) & Live+SD for STD (9/21/09-08/29/10).