Prospect Acquires Nix Health

Prospect Medical Holdings has acquired Nix Health Care System, a company that offers San Antonio and the surrounding communities a vast array of medical services ranging from primary care and surgical services to behavioral and rehabilitation services. Prospect Medical Holdings is a healthcare services company headquartered in Los Angeles and backed by private equity firm Leonard Green & Partners.

PRESS RELEASE

Prospect Medical Holdings, Inc. (“Prospect” or the “Company”), today announced the closing of its acquisition of Nix Health Care System (“Nix Health”). Under the terms of the Asset Purchase Agreement entered into on December 23, 2011, Prospect has acquired substantially all of the assets of Nix Health from its present owner, a subsidiary of Merit Health Systems, LLC. The acquisition of Nix Health will result in the expansion of Prospect’s operations, and provide a great opportunity for future expansion in the state of Texas.

About Nix Health

Nix Health offers San Antonio and the surrounding communities a vast array of medical services ranging from primary care and surgical services to behavioral and rehabilitation services. Accessible and comprehensive services are available at various locations throughout the city and include Nix Medical Center, Nix Alamo Heights, Nix Specialty Health Center, Nix Primary Care Center, Nix North Orthopaedic Center, among other physician offices.

About Prospect Medical Holdings

Prospect Medical Holdings, Inc., headquartered in Los Angeles, California, is a healthcare services company that owns and operates hospitals, and manages the provision of healthcare services for managed care enrollees through its network of primary care physicians and specialists. Prospect is affiliated with Leonard Green & Partners, L.P.

About Leonard Green & Partners, L.P.

Leonard Green & Partners is one of the nation’s leading private equity firms with approximately $9 billion in equity commitments under management, was founded in 1989, and has invested in 59 companies with an aggregate value in excess of $51 billion. The firm’s investments are focused primarily on North American companies in a range of industries including retail, consumer products, distribution, business services and healthcare.

SOURCE: Prospect Medical Holdings, Inc.