 GALVESTON, Texas, June 01, 2021 GLOBE NEWSWIRE -- American National is enhancing and expanding its industry leading indexed universal life product. In addition to the current crediting strategies based on the SP 500 index; Signature Performance IUL will offer two new index crediting strategies. These new strategies include a low volatility strategy based on the SP MARC 5 Index and a large-cap growth strategy based on the Nasdaq-100 Index. 