Vladimir Putin’s invasion of Ukraine has posed several challenges for Western companies, with a growing list looking to exit Russia as international sanctions tighten. While Russian energy firms have not been sanctioned, a growing number of Western oil companies no longer see the country as a safe investment, reversing decades of lucrative operations. Given BP’s decision to sell its 19.75% share in Russian-state firm Rosneft over the weekend, one can expect other oil companies to follow the same policy. The resignation of both directors nominated by BP will have a direct impact in that BP will…