X0206 3 2018-04-16 1 0001069308 Acer Therapeutics Inc. ACER 0001319460 Joseph Donald C/O ACER THERAPEUTICS INC. ONE GATEWAY CTR., STE 351 NEWTON MA 02458 0 1 0 0 Chief Legal Officer and Secy Exhibit List: Exhibit 24 - Confirming Statement No securities are beneficially owned. /s/ Donald Joseph 2018-04-23