0000950123-09-014950 10-K/A 5 20081231 20090618 20090618 GHL Acquisition Corp. 0001418819 3669 000000000 DE 1231 10-K/A 34 001-33963 09898230 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 10-K/A 1 y01839e10vkza.htm FORM 10-K/A EX-31.1 2 y01839exv31w1.htm EX-31.1 EX-31.2 3 y01839exv31w2.htm EX-31.2 EX-32.1 4 y01839exv32w1.htm EX-32.1 EX-32.2 5 y01839exv32w2.htm EX-32.2