X0202 4 2007-01-05 0 0001127342 GMX RESOURCES INC GMXR 0001187023 CENTENNIAL ENERGY PARTNERS LLC 575 LEXINGTON AVENUE 33RD FLOOR NEW YORK NY 10022 0 0 1 0 0000898406 SELDIN PETER K 575 LEXINGTON AVENUE 33RD FLOOR NEW YORK NY 10022 0 0 1 0 Common Stock 2007-01-05 4 P 0 5000 32.9165 A 1501964 I By Centennial Energy Partners, L.L.C. as Managing Member Common Stock 2007-01-05 4 P 0 5000 33.3725 A 1506964 I By Centennial Energy Partners, L.L.C as Managing Member Common Stock 2007-01-09 4 P 0 15000 33.3427 A 1521964 I By Centennial Energy Partners, L.L.C. as Managing Member Peter Seldin may be deemed to be a 10% holder based on his status as Managing Member of Centennial Energy Partners, L.L.C. Peter Seldin and Centennial Energy Partners, L.L.C. are the "Reporting Persons". The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interst therein. Peter K. Seldin 2007-01-09