Quest Diagnostics Stock Offering by SB Holdings Capital Priced at $56.25 per Share

Quest Diagnostics Incorporated DGX today announced the pricing of the previously announced secondary public offering of 15,377,600 shares of Quest Diagnostics common stock held by its largest stockholder, SB Holdings Capital Inc., an affiliate of GlaxoSmithKline plc ("GSK") at a price to the public of $56.25. Quest Diagnostics has not sold any shares of common stock in the offering and will not receive any of the proceeds from the sale of shares in the offering.