ADP Automatic Data Processing Inc

Name of Issuer:

Automatic Data Processing, Inc.

Title of Securities:

1.250% Notes due September 1, 2030 ("Notes")

Aggregate Principal Amount:

$1,000,000,000

Issue Price (Price to Public):

99.746% of principal amount

Maturity:

September 1, 2030

Coupon (Interest Rate):

1.250%

Benchmark Treasury:

0.625% due May 15, 2030

Spread to Benchmark Treasury:

T+65 basis points (0.65%)

Benchmark Treasury Price and Yield:

99-31+; 0.627%

Yield to Maturity:

1.277%

Interest Payment Dates:

March 1 and September 1 of each year, commencing on

March 1, 2021

Interest Payment Record Dates:

February 15 and August 15 of each year

Redemption Provisions:

Treasury plus 10 basis points prior to June 1, 2030 (the date

that is three months prior to scheduled maturity date of the

Notes).

At any time on or after June 1, 2030 (the date that is three

months prior to the scheduled maturity date of the Notes), we

may redeem the Notes in whole or in part, at a redemption

price equal to 100% of the principal amount thereof plus

accrued and unpaid interest, if any, up to but excluding the

redemption date (subject to the right of holders of record on

the relevant record date to receive interest due on the relevant

interest payment date).

Change of Control Offer:

Offer to repurchase at 101% of aggregate principal amount

plus accrued interest to repurchase date upon change of

control resulting in a rating below investment grade by two

rating agencies

Denominations:

$2,000 or integral multiples of $1,000 in excess thereof

Legal Format:

SEC Registered / Registration Statement No. 333-226705