Quest Diagnostics Announces Successful Tender Offer and Commencement of a Subsequent Offering Period for Shares of Celera (DGX, CRA)

Quest Diagnostics Incorporated (NYSE: DGX), the world's leading provider of diagnostic testing, information and services, announced today that Spark Acquisition Corporation, its wholly owned subsidiary, successfully completed the cash tender offer for all outstanding shares of common stock of Celera Corporation (NASDAQ: CRA), which expired at 5:00 p.m., New York City time, on Tuesday, May 3, 2011.

Computershare Trust Company, N.A., the depositary for the tender offer, has indicated that, as of the expiration of the tender offer, 45,962,366 shares of common stock of Celera had been tendered into and not properly withdrawn from the tender offer.  These shares represent approximately 55.93% percent of Celera's outstanding shares of common stock and 52.38% percent of Celera's outstanding shares of common stock on a fully diluted basis (as determined pursuant to the merger agreement between Quest Diagnostics, Spark and Celera).  In addition, the depositary has received commitments to tender approximately 5,208,360 shares of common stock of Celera in accordance with the guaranteed delivery procedures, which, when combined with the shares tendered and not properly withdrawn from the tender offer, represent approximately 62.27% of Celera's outstanding shares of common stock and 58.32% of Celera's outstanding shares of common stock on a fully diluted basis (as determined pursuant to the Merger Agreement).  All Celera shares that were validly tendered into the tender offer and not properly withdrawn have been accepted for payment.