Yes I'm pretty sure they are. I asked this forum sometime ago for the ticker symbol, but got no response. A bit like you're getting now.
http://hotcopper.com.au/threads/dls....2462082/page-5?post_id=14799249#.VYzoMywVjIU
I suppose people don't really care. I'll try and look a bit harder. I know that Herbert Smith Freehills advised Goldmans. If your really keen to find the ticker symbol there are some contacts at the bottom of this link that might know.
http://www.herbertsmithfreehills.co...llsearch-energy-us100m-convertible-bond-offer
Eshmun