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As of 1/31/2015

Standardized Returns

  Month YTD 1 Yr. 3 Yrs. 5 Yrs. 10 Yrs. Life of Fund
2/1/2006
Mid Cap Growth Fund -0.99% -0.99% 10.02% 12.66% 14.97% -- 8.25%
Russell Midcap® Growth Index -1.68% -1.68% 12.46% 17.26% 17.49% -- 8.21%
Morningstar Mid-Cap Growth Category -2.01% -2.01% 7.24% 14.88% 15.34% -- --
Morningstar Quartile Ranking in Category----143----
Fund's Ranking / # of Funds in Peer Group----169 / 752518 / 647348 / 585----
Morningstar Rating----------
Expense Ratio (Gross): 1.42%
Expense Ratio (Capped): 1.35%

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.