Exxon Mobil’s shareholders have voted to replace at least two of the company’s 12 board members with directors who are seen as better suited to fight climate change, bolster Exxon’s finances and guide it through a transition to cleaner energy.

ExxonMobil is facing a major challenge from a group of investors in one of the biggest fights a corporate boardroom has endured over its stance on climate change, an issue of rising urgency for many shareholders.