ADP to Postpone First Quarter Fiscal 2013 Webcast and Earnings Release Conference Call Due to Expected Severe Weather

ADP to Postpone First Quarter Fiscal 2013 Webcast and Earnings Release
Conference Call Due to Expected Severe Weather

New Date Set for November 1, 2012

ROSELAND, N.J., Oct. 29, 2012 (GLOBE NEWSWIRE) -- Automatic Data Processing,
Inc. (Nasdaq:ADP) has postponed its scheduled release date for its financial
results for the first fiscal quarter ended September 30, 2012 from October 30,
2012 to November 1, 2012 before the opening of the Nasdaq. "The impacts from
Hurricane Sandy are expected to be severe along the Mid-Atlantic and Northeast
coasts of the United States with likely widespread power outages.We are
postponing the release of our fiscal 2013 first quarter results accordingly as
we want to ensure that members of the investment community are able to access
the event," stated Carlos A. Rodriguez, president and chief executive officer.

ADP also will be hosting a conference call at 8:30 a.m. EDT on November 1,
2012 to discuss the results for the quarter.Carlos A. Rodriguez, president
and chief executive officer, Christopher R. Reidy, chief financial officer,
and Elena S. Charles, vice president of investor relations, will be
participating on the call.

Investors and interested participants are invited to listen to the conference
call and view the accompanying slide presentation via live webcast.The
webcast can be accessed through ADP's home page, www.adp.com, or ADP's
Investor Relations home page, http://www.investquest.com/InvestQuest/a/adp/.
Please note, this webcast will be broadcast in two streams: Windows Media and
Flash. You may switch streams by selecting "Windows Media" or "Flash" from
the gear-setup symbol located to the right-hand side of the volume control on
the webcast player.Please check your system 10 minutes prior to the
webcast.In addition, the slide presentation will be available to download and
print approximately 60 minutes before the webcast at ADP's Investor Relations
home page.A replay of the webcast will be available for approximately two
weeks after the event and can be accessed in the same manner as the live
webcast.

Automatic Data Processing, Inc. (Nasdaq:ADP), with more than $10 billion in
revenues and approximately 600,000 clients, is one of the world's largest
providers of business outsourcing solutions. Leveraging over 60 years of
experience, ADP offers a wide range ofhuman resource,payroll,tax
andbenefits administration solutionsfrom a single source. ADP's easy-to-use
solutions for employers provide superior value to companies of all types and
sizes. ADP is also a leading provider of integrated computing solutions
toauto, truck, motorcycle, marine, recreational vehicle, and heavy equipment
dealersthroughout the world. For more information about ADP or to contact a
local ADP sales office, reach us at 1.800.225.5237 or visit the company's
website atwww.ADP.com.

CONTACT: ADP Investor Relations, 973.974.5858
 
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