Standard n Poors Flips, Downgrades Entire HY Energy Space

Downgrade casualties:

Quicksilver Resources: From BB-/stable to B+/negative

Swift Energy: From BB-/stable to B+/negative

Stone Energy Corp: From B+/stable to B/stable

Energy Partners Ltd: From B/negative to B-/negative

PetroQuest Energy: From B/stable to B-/Negative

Dune Energy: From B-/Negative to CCC+/Negative

Outlook revision casualties:

Cimarex Energy: From BB/Stable to BB/Negative

Denbury Resources: From BB/Stable to BB/Negative

Whiting Petroleum: From BB-/Stable to BB-/Negative

EXCO Resources: From B/Stable to B/Negative

Clayton Williams Energy: From B/Stable to B/Negative

Parallel Petroleum: From B/Stable to B/Negative

Range Resources: From BB/Positive to BB/Stable

Petroleum Development: From B/Positive to B/Stable