Mar 12, 2009. /Lesprom Network/. UPM has sold its Ella Store Labels business to MariCap Group's Finnish affiliate, MariSense, as UPM informed Lesprom Network. Ella Store Labels business develops and manufactures electronic price display solutions for retailers. The price displays based on electronic paper possess excellent optical capabilities and are easily readable due to their exceptional contrast. The parties have agreed not to disclose the sale price. Ella Store Labels's 15 employees at Ylöjärvi, Finland, will continue working for the business with the new owner, MariSense Ltd.