If Exxon remains determined to go against the grain even as environmental issues go financially mainstream, the next activist harpoon could well hit home. CONTEXT NEWS - Exxon Mobil was voted the most likely of five companies to be vulnerable to a sustainability-related activist campaign, in Reuters Breakingviews polls conducted on Jan. 14-16. - Attendees at events in New York, Toronto and London were asked to choose between Exxon, cigarette maker Altria, oil company Saudi Aramco, media group News Corp and U.S. lender Wells Fargo. Roughly half of the respondents in all locations chose the $292 billion U.S. fossil-fuel producer. - In May 2017, Exxon shareholders approved a proposal calling for the company to disclose the impact on its business of compliance with global climate-change guidelines. - The proposal was submitted by a group of investors including the California Public Employees' Retirement System, the New York State Common Retirement Fund, and the Church of England.