X0306 4 2014-03-03 0 0001379895 DYNEGY INC. DYN 0001530677 Callaway Catherine B. 601 TRAVIS 14TH FLOOR HOUSTON TX 77002 0 1 0 0 Exec VP and General Counsel Common Stock 2014-03-03 4 A 0 13895 0 A 55890 D Employee Stock Option (Right to Buy) 23.03 2014-03-03 4 A 0 33004 0 A 2024-03-03 Common Stock 33004 33004 D The grants of the restricted stock units were approved by a committee of the Issuer's Board of Directors on March 3, 2014. Restricted stock unit grant pursuant to Rule 16b-3(d). Each restricted stock unit represents a contingent right to receive one share of Dynegy Inc. common stock. The restricted stock units vest in three annual equal installments beginning on March 3, 2015. Amount includes 18,048 restricted stock units that vest in two annual equal installments beginning on October 29, 2014, 17,317 restricted stock units that vest in three annual equal installments beginning on March 18, 2014, and 13,895 restricted stock units that vest in three annual equal installments beginning on March 3, 2015. The grants of the stock options were approved by a committee of the Issuer's Board of Directors on March 3, 2014. Option grant pursuant to rule 16b-3(d). The option becomes exercisable in three annual equal installments beginning March 3, 2015. /s/ Heidi D. Lewis, Attorney-in-Fact 2014-03-05