Noting RUSAL, the world's biggest aluminum producer, has said recently it would likely supply aluminum as an underlying asset for an ETF [nTOE65S075], the analyst asked Kleinfeld whether Alcoa would do the same.

"Yes, we would definitely be willing to provide metal in here, and we have always said that. We were very supportive. Whether we provide metal or whether not, this is a good thing for the industry to happen," the CEO said,