Quadrangle GP Investors II LP

• 10% owner at DICE HOLDINGS, INC. · on record since Jul 25, 2007
• 10% owner at NTELOS HOLDINGS CORP · on record since Dec 21, 2007
• 10% owner at Lumos Networks Corp. · on record since Nov 3, 2011
• 10% owner at WEST CORP · on record since Mar 21, 2013
• Director at DICE HOLDINGS, INC. · on record since Nov 16, 2015
• See remarks. at DICE HOLDINGS, INC. · on record since Dec 10, 2015