...Upstream E&P companies with only a few projects. Vulnerable to price volatility, cost overruns, production delays or disruptions. Good quality reporting without significant failing. Consistent with the average of listed companies in major exchanges. Some group complexity leading to somewhat less transparent accounting statements. No significant related-party transactions. Good CG track record but effectiveness/independence of board less obvious. No evidence of abuse of power even with ownership concentration. <0.4 billion Moderate exposure to environmental regulations and/or material but manageable remediation costs relative to projected cash flows....