Harvest will also redeem its 2015 debentures.

U.S. Bank National Association is the trustee.

Penn Virginia issued a tender offer to purchase any and all of its US $300 million in outstanding aggregate principal amount of 10.375% senior notes due 2016.

Chesapeake purchased some US $216.2 million of its outstanding 2013 notes and some US $376.6 million of its outstanding 2018 notes.

Holders may elect to convert the notes at any time before May 15.

The company also filed with the SEC a notice of its intention to redeem all 4 million of its series D mandatory redeemable preferred shares.

Range called for redemption all its 7.25% senior subordinated notes due 2018.

Offshore Group has also delivered notice of its intention to redeem any and all of the 11.5% senior secured first lien notes due 2015.

Harvest entered into a senior unsecured credit facility for US $400 million with a syndicate of four lenders.

Chesapeake intends to redeem the notes as part of a broader refinancing of its outstanding debt obligations.