COVINGTON, Ky.--(BUSINESS WIRE)--Omnicare, Inc. (NYSE:OCR - News), the nation's leading provider of pharmaceutical care for the elderly, announced today that it will participate in the Jefferies 2nd Annual Healthcare Conference on June 24 at 10:45 a.m. ET in New York, New York. Presenting for Omnicare will be Joel F. Gemunder, president and chief executive officer.