Quest Diagnostics Commences Cash Tender Offer for Up to $200 Million Aggregate Principal Amount of Certain of its Outstan...( MADISON N.J. May 19 /- Quest Diagnost...),Health

MADISON, N.J., May 19 /PRNewswire-FirstCall/ -- Quest Diagnostics Incorporated (NYSE: DGX), the world's leading provider of diagnostic testing, information and services, announced today that it has commenced a cash tender offer to purchase up to $200 million aggregate principal amount (the "Tender Cap") of its 5.125% Senior Notes due 2010 and 7.50% Senior Notes due 2011 (collectively, the "Notes"). The terms and conditions of the tender offer are described in the Offer to Purchase dated May 19, 2009 and related Letter of Transmittal.

The following table summarizes terms material to the determination of the total consideration to be received in the offer:

                                   Aggregate
                                   Principal
       CUSIP       Title of         Amount          Acceptance Priority
       Number      Security       Outstanding              Level
       ------      --------       ------------      -------------------

     74834LAK6      5.125%        $400,000,000               1
                    Senior
                   Notes due
                     2010

     74834LAE0       7.50%        $275,000,000               2
                    Senior
                   Notes due
                     2011


                  Reference    Bloomberg                     Early
       CUSIP      Treasury     Reference    Fixed Spread     Tender
       Number     Security       Page        (bps) (1)      Premium (2)
       ------     ---------    ---------    ------------    -----------

     74834LAK6   0.875% due      PX1           + 225          $30.00
                  April 30,
                    2011

     74834LAE0   0.875% due      PX1           + 365          $30.00
                  April 30,
                    2011

(1) Includes the Early Tender Premium per $1,
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