http://www.myfonts.com/fonts/s-core/core-sans-ar/

Letters in this type family are designed with genuine neo-grotesque and neutral shapes without any decorative distractions. The spaces between individual letter forms are precisely adjusted to create the perfect typesetting. Core Sans AR family consists of 8 weights (Thin, Extra Light, Light, Regular, Medium, Bold, Extra Bold, Heavy) with their corresponding italics. Core Sans AR contains complete Basic Latin, Cyrillic, Central European, Turkish, Baltic character sets. Each font includes proportional figures, tabular figures, numerators, denominators, superscript, scientific inferiors, subscript, fractions and case features.