UK firms are being urged to explain the level of executive pay after new research found top bosses receive about 117 times the annual wage of the average worker.
New rules have come into force that will require Britain's biggest companies to justify bosses' salaries and reveal the pay gap with their average workers.
Oil giant Royal Dutch Shell is set to suffer a backlash from shareholders over executive pay, including a £9.4million package for its boss.
Directors of oil giant BP are understood to have identified Paul Anderson, a US mining and energy executive, as the leading candidate for the role of chairman.
Cost-cutting in the North Sea is vital to maintain investment, protect jobs and secure the long-term future of the basin, according to an oil and gas industry boss.