Quest Diagnostics Announces One Day Extension of Offer to Acquire Celera to 5pm Today (DGX)

Quest Diagnostics Incorporated DGX, the world's leading provider of diagnostic testing, information and services, announced today that Spark Acquisition Corporation, its wholly owned subsidiary, has extended the expiration of its tender offer to acquire all outstanding shares of common stock of Celera Corporation CRA for $8.00 per share in cash, to 5:00 p.m., New York City time, today, May 3, 2011, unless further extended in accordance with the Merger Agreement and the applicable rules and regulations of the Securities and Exchange Commission.