3128482938
180 N. LASALLE STREET, SUITE 3400, CHICAGO, IL, 60601, 
4) AT T ILLINOIS AND ITS AFFILIATES
10) CLAYCO, INC.
11) CONSTELLATION ENERGY GENERATION, LLC
13) GLOBETROTTERS ENGINEERING CORPORATION
15) HNTB CORPORATION
8153700018
24820 W EASY ST, PLAINFIELD, IL, 60586, 
6303303496
24820 W EASY ST., PLAINFIELD, IL, 60586, 
6304618170
24820 W EASY ST, PLAINFIELD, IL, 60586, 
7735043973
180 N. LASALLE STREET, SUITE 3400, CHICAGO, IL, 60601, 
4) AT T ILLINOIS AND ITS AFFILIATES
10) CLAYCO, INC.
11) CONSTELLATION ENERGY GENERATION, LLC
13) GLOBETROTTERS ENGINEERING CORPORATION
15) HNTB CORPORATION
3128482938
180 N. LASALLE STREET, CHICAGO, IL, 60601, 
4) AT T ILLINOIS AND ITS AFFILIATES
10) CLAYCO, INC.
11) CONSTELLATION ENERGY GENERATION, LLC
13) GLOBETROTTERS ENGINEERING CORPORATION
15) HNTB CORPORATION