June 22 (Reuters) - Frontier Drilling:
* Moody's upgrades Frontier Drilling's corporate family rating to Caa1 from
Caa2 COPYRIGHT Copyright Thomson Reuters 2009. All rights reserved. The copying, republication or redistribution of Reuters News Content, including by framing or similar means, is expressly prohibited without the prior written consent of Thomson Reuters.
* Moody's upgrades Frontier Drilling's corporate family rating to Caa1 from
Caa2 COPYRIGHT Copyright Thomson Reuters 2009. All rights reserved. The copying, republication or redistribution of Reuters News Content, including by framing or similar means, is expressly prohibited without the prior written consent of Thomson Reuters.