Mid Cap Growth Fund

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As of 5/31/2015

Standardized Returns

  Month YTD 1 Yr. 3 Yrs. 5 Yrs. 10 Yrs. Life of Fund
2/1/2006
Mid Cap Growth Fund 0.40% 5.63% 15.96% 15.87% 14.71% -- 8.70%
Russell Midcap® Growth Index 1.19% 5.88% 14.72% 20.64% 17.52% -- 8.77%
Morningstar Mid-Cap Growth Category 1.87% 6.38% 13.72% 18.58% 15.57% -- --
Morningstar Quartile Ranking in Category----243----
Fund's Ranking / # of Funds in Peer Group----236 / 768574 / 662402 / 591----
Morningstar Rating----------
Expense Ratio (Gross): 1.35%
Expense Ratio (Capped): 1.30%

Calendar Year Total Returns

  2014 2013 2012 2011 2010 2009 2008 2007 2006†
Mid Cap Growth Fund 7.53% 28.77% 10.90% 1.65% 24.01% 36.03% -34.71% 14.62% 4.60%
Russell Midcap® Growth Index 11.90% 35.74% 15.81% -1.65% 26.38% 46.29% -44.32% 11.43% 4.28%
† Since Fund’s inception on 2/1/06 through 12/31/06.