0000950103-09-002262 DEFA14A 2 20090914 20090914 20090914 GHL Acquisition Corp. 0001418819 3669 000000000 DE 1231 DEFA14A 34 001-33963 091068176 C/O GREENHILL & CO. 300 PARK AVENUE NEW YORK NY 10022 212-389-1500 C/O GREENHILL & CO. 300 PARK AVENUE NEW YORK NY 10022 DEFA14A 1 dp14777_8k.htm FORM 8-K EX-99.1 2 dp14777_ex9901.htm EXHIBIT 99.1