Mid Cap Growth Fund

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As of 3/31/2015

Standardized Returns

  Month YTD 1 Yr. 3 Yrs. 5 Yrs. 10 Yrs. Life of Fund
2/1/2006
Mid Cap Growth Fund 0.53% 6.41% 14.35% 13.04% 14.03% -- 8.95%
Russell Midcap® Growth Index 0.28% 5.38% 15.56% 17.41% 16.43% -- 8.88%
Morningstar Mid-Cap Growth Category 0.68% 5.35% 11.20% 14.95% 14.47% -- --
Morningstar Quartile Ranking in Category----143----
Fund's Ranking / # of Funds in Peer Group----183 / 755512 / 655346 / 586----
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.