 Emerald Holding, Inc. NYSE: EEX Emerald or the Company today announces plans to raise 400 million through the issuance of convertible participating preferred stock the Preferred Stock to affiliates of Onex Corporation Onex, the Companys controlling stockholder, and in a subsequent rights offering to the Companys other holders of common stock as of the record date for the rights offering, which will be backstopped by Onex. 