MEXICO CITY--(BUSINESS WIRE)--Genomma Lab Internacional, S.A.B. de C.V. (“Genomma”) (BMV: LAB.B.) today announced that it provided formal notice to Prestige Brands Holdings, Inc. (“Prestige”) (NYSE: PBH) of its intention to nominate a slate of five independent candidates for election to Prestige’s Board of Directors and present a proposal for shareholder action at Prestige’s 2012 annual meeting of shareholders.