### Instruction: What's Rockhopper Exploration PLC business?
### Input: Rockhopper Exploration PLC is an oil and gas exploration company headquartered in Salisbury, Wiltshire, United Kingdom. It owns offshore exploration and production licences in the North Falkland Basin in the waters north of the Falkland Islands.

Rockhopper is listed on the Alternative Investment Market of the London Stock Exchange.
### Response: Rockhopper Exploration PLC is in the oil and gas business, headquartered in Salisbury, Wiltshire, United Kingdom.