NEW YORK, May 20 (Reuters) - JPMorgan Chase's net interest income (NII), or the difference between what it makes on loans and pays out on deposits, will rise to $91 billion, excluding markets, this year, the bank said in an investor presentation on Monday.

(Reporting by Nupur Anand in New York and Manya Saini in Benglauru; editing by Lananh Nguyen)