Hornbeck is planning a $200 million senior unsecured notes offering due 2017. We are assigning a 'BB-' issue-level rating to the proposed notes with a recovery rating of '3'. Our stable outlook on the 'BB-' corporate credit rating reflects our assumption that Hornbeck's fleet expansion will be beneficial to credit metrics over the near term. NEW YORK (Standard&Poor's) Aug. 12, 2009--Standard&Poor's Ratings Services today assigned its 'BB-' senior unsecured rating to marine services firm Hornbeck Offshore Services Inc.'s proposed $200 million senior unsecured notes due 2017, the same as the corporate credit rating on the company. We assigned a '3' recovery rating to this debt, indicating expectations of meaningful (50% to 70%) recovery in the event