GTCR Gridlock Holdings Extends Tender Offer for Global Traffic Network Until September 23, 2011

GTCR Gridlock Holdings, Inc. announced today that its subsidiary, GTCR Acquisition Sub, Inc., extended its previously announced offer to purchase all outstanding shares of common stock of Global Traffic Network, Inc.

at a price of $14.00 per share, net to the seller in cash, without interest and less any applicable withholding tax, until 5:00 P.M., New York City time, on Friday, September 23, 2011.