MALVERN, Pa. & STAFFORD, England--(BUSINESS WIRE)--PuriCore (LSE: PURI), the water-based clean technology company focused on developing and commercialising proprietary, green solutions that safely, effectively, and naturally kill infectious pathogens without causing harm to human health or the environment, announces its pre-close trading update for the year ending December 31, 2009. Audited results for this period are expected to be announced in late April 2009.