Exhibit 99.1
Board of Directors
Dynegy Acquisition, Inc.
1000 Louisiana Street, Suite 5800
Houston, Texas 77002
Members of the Board:
We hereby consent to the inclusion of our opinion letter, dated September 14, 2006, to the Board of Directors of Dynegy Inc. (“Dynegy”) as Annex G to, and reference thereto under the captions “SUMMARY—Opinions of Financial Advisors” and “THE MERGER—Opinions of Financial Advisors to Dynegy—Opinion of Credit Suisse” in, the proxy statement/prospectus relating to the proposed merger involving Dynegy and the LS Power Group., which forms a part of the Registration Statement on Form S-4 of Dynegy Acquisition, Inc. In giving such consent, we do not admit that we come within the category of persons whose consent is required under, and we do not admit that we are “experts” for purposes of, the Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder.
| /s/ Credit Suisse Securities (USA) LLC |
CREDIT SUISSE SECURITIES (USA) LLC |
December 8, 2006