RHD RH Donnelley New

R.H. Donnelley Corporation, (NYSE: RHD) will release its first quarter 2006 results after the close of NYSE trading on Wednesday, May 3, 2006. A copy of the release will be posted on the Company's web site, www.rhd.com. R.H. Donnelley Corporation invites you to participate in a teleconference on Thursday, May 4, 2006 at 10:00 a.m. (Eastern Time) to discuss its first quarter 2006 results. David C. Swanson, chief executive officer, and Steven M. Blondy, executive vice president & chief financial officer will host the call. Remarks will be followed by a question and answer period. Individuals within the United States can access the call by dialing 888-387-9606; others should dial 517-645-6055. The passcode for the call is "RHD". In order to ensure a prompt start time, please dial into the call by 9:50 a.m. (Eastern Time). The replay can be accessed from within the United States by dialing 800-813-5526. International callers can access the replay by dialing 402-280-1632. There is no passcode for the replay. A replay of the teleconference will be available through May 19, 2006. In addition, the call will be webcast and can be accessed on RHD's website, www.rhd.com. An archived version of the webcast will also be available on RHD's website for up to one year from the date of the call. For further information, please contact R.H. Donnelley Investor Relations at 800-497-6329. About R.H. Donnelley R.H. Donnelley ("RHD") is one of the nation's leading Yellow Pages and online local commercial search companies. The company has more than 4,000 employees operating in 28 states across the United States. Every day, consumers rely on the company's more than 600 directories, online city guides, and search websites to find businesses that provide the services they need. RHD's directories, which have a circulation of approximately 80 million, are marketed under three of the industry's most recognized brands: AT&T Yellow Pages (formerly SBC Yellow Pages) in Illinois and Northwest Indiana; Dex(R) Yellow Pages and Sprint Yellow Pages(R). R.H. Donnelley's expanding presence on the Internet now includes the Best Red Yellow Pages(R) brand at bestredyp.com(R), in our AT&T Yellow Pages markets at CHICAGOLANDYP.com and local search services through DexOnline(R) at DexOnline.com(R). Visit www.rhd.com for more information.