Corteva, Inc. has declared a common stock dividend of $0.17 per share, representing a 6% increase. EIDP, Inc., a subsidiary of Corteva, has declared preferred stock dividends of $1.12 -1/2 per share on the $4.50 series and $0.87 -1/2 per share on the $3.50 series. Both dividends are payable in October.