New York

Citigroup has appointed Ellen Costello, former BMO Financial chief executive, and Intel President Renee James to its board.

The $5.6 billion-asset multibank holding company hired Fontaine to replace Ed Hooks, who has been its counsel since 1992 and who will retire at the end of the year.

Associates of Glen Falls Insurance said that it bought Loomis & LaPann, an insurance unit of Arrow Financial that focuses on amateur sports, for an undisclosed price.

Webster Financial has agreed to take over the leases of 14 Citigroup branches in the Boston area, which would more than triple its retail presence there.

CIT Group will pay about $60 million in severance to 14 executives who have been dismissed or left the company, as it continues to shuffle its executive lineup following its August acquisition of OneWest Bank.

First Niagara Financial Group in Buffalo, N.Y., considered offers from four potential acquirers before deciding in late October to sell itself to KeyCorp.

Wells Fargo and Morgan Stanley became the latest big banks Monday to promise to cut their support for the coal industry in the name of reducing the pollution blamed for global warming.

Evans Bancorp in Hamburg, N.Y., has hired John Connerton to become its chief financial officer.

Financial Institutions in Warsaw, N.Y., has agreed to buy Courier Capital, an investment advisory firm in Buffalo, N.Y.

People’s United Financial in Bridgeport, Conn., has dismissed three employees in the wake of alleged fraud on commercial real estate loans.