First its Argentina with a slow nationalization tax on mine's asset value and now it's Mexico with a new 7.5% tax on mining profits, and an elimination from tax deductability of exploration expenses. Tax anything you can find soon ruins investment and destroys common share prices.
Don't worry about the coverage. Let the results do the talking and keep outperforming other E&P companies in production increases and reserve growth. Price and PE will move to top of rankings with great performance. Don't get too overleveraged and move Debt/Equity level downward as production reserves increase. EXXON balance sheet earnings record is one to emulate. So far all smart moves and conservative.