LONDON—BP said former Chief Executive Bernard Looney will lose out on as much as $40.6 million in compensation as the result of his abrupt resignation over past relationships with colleagues.

Bernard Looney will join Prometheus Hyperscale, a Wyoming start-up, to help it address the enormous energy needs of the ...

Oil major BP's former CEO Bernard Looney is set to chair Prometheus Hyperscale, the U.S.-based data company said on Sunday.