It was announced yesterday that Marcus B. Peperzak, co-founder and vice chairman of the board of Horizon Organic Holding Corp. (Nasdaq: HCOW), has resigned from the Horizon Organic board. Peperzak, who will remain an organic milk supplier and a consultant to the company said he wanted to avoid any potential conflict of interest.

Thomas D. McCloskey, Chairman of the Board said, ``Horizon Organic has benefited greatly from Marc's dairy industry knowledge and the expertise he has provided. We are pleased he will remain active with the company. His knowledge of organic dairy farming will be invaluable as the new organic regulations are implemented.''

Over the next few months, the Horizon Organic Board will be reviewing candidates unaffiliated with the company to fill this vacant seat.

Horizon Organic produces and markets the leading brand of certified organic milk and a full line of refrigerated, certified organic dairy products. The company also markets certified organic eggs and juices. Horizon Organic products can be found in conventional supermarkets and natural foods stores across the U.S. and in the U.K. For more information, visit the Company's web site at www.horizonorganic.com.