Savings Performance as of: Expense Ratio Industry Average Expense Ratio 30-Jun 3 Month Avg. Return Year to Date Return 1 Yr. Return 3 Yr. Avg. Annual Return 5 Yr. Avg. Annual Return Avg. Annual Return Since 12/31/96  
30-Jun-08  
Fund Name, Managers (ticker symbol), Benchmark Rates of Return  
Money Market Fund 0.13% 0.91% 0.15 0.5 1.3 3.6 4.2 3.1 3.7  
Vanguard Admiral US Treasury (VUSXX)  
Citigroup 3 Month T-bill     0.13 0.4 1.1 3.3 4.1 3.1 3.7  
Short-term Bond Fund ** 0.08% 0.89% -0.09 -0.2 1.1 5.0 4.4 3.5 5.3  
Vanguard Short Term Corporate (VFSIX)  
Merrill Lynch 1-3 Year Corporate     0.08 0.2 1.8 5.2 4.4 3.4 5.5  
Intermediate Bond Fund****** 0.43% 0.98% -0.88 -1.3 N.A. N.A. N.A. N.A. -1.3  
PIMCO Total Return Fund (Institutional) (PTTRX)  
Merrill Lynch Domestic Master     0.13 -1.1         -1.1  
Inflation Protected Bond Index Fund ******     1.92 -0.1 N.A. N.A. N.A. N.A. N.A.  
Vanguard Inflation Protected Securities (VIPIX)  
                     
Large Company Index Fund ** 0.03% 1.25% -8.43 -2.7 -11.9 -13.1 4.4 7.6 6.7  
Vanguard Institutional Stock Index (VIIIX)  
S&P 500     -8.43 -2.7 -11.9 -13.1 4.4 7.6 6.6  
Mid-Company Value Stock Fund 0.90% 1.50% -7.37 3.0 -8.2 -17.3 5.2 7.6 10.2  
Longleaf Partners Value Equity (LLPFX)  
Russell Midcap Value     -8.91 0.1 -8.6 -17.1 5.0 13.0 10.8  
Mid-Company Growth Stock Fund * 1.09% 1.61% -6.73 5.0 -4.1 -0.3 9.4 11.8    
Goldman Sacs Mid Cap Growth (GGOIX) N.A.  
Russell Midcap Growth     -7.31 4.7 -6.8 -6.4 8.2 12.3    
Small Company Value Stock Fund 0.56% 1.53% -10.1 -4.8 -10.4 -25.3 1.5 12.1 11.5  
DFA Small Cap Value Equity (DFSVX)  
Russell 2000 Value     -9.6 -3.6 -9.8 -21.6 1.4 10.0 9.5  
Small Company Growth Stock Fund **** 0.95% 1.66% -2.66 10.5 -7.3 -3.6 13.5 15.2 11.9  
TCM Small Cap Growth (TCMSX)  
Russell 2000 Growth     -5.96 4.5 -8.9 -10.8 6.1 10.4 4.0  
International Value Stock Fund 1.18% 1.68% -9.27 -1.2 -13.3 -13.8 10.9 16.8 12.8  
Brandes International Value Equity (BIIEX)  
MSCI EAFE     -8.16 -1.9 -10.6 -10.2 13.3 17.2 7.0  
International Growth Stock Fund *** 1.25% 1.68% -7.94 -1.9 -10.9 -4.1 13.3 15.8 N.A.  
William Blair International Stock Fund (WIEIX)  
MSCI EAFE     -8.16 -1.9 -10.6 -10.2 13.3 17.2  
Preset Mixes    
Short-term Preset Mix 0.23% 1.28% -2.57 -0.6 -2.5 0.8 5.4 5.8 6.7  
Intermediate-term Preset Mix 0.36% 1.28% -4.97 -0.7 -6.0 -4.4 6.3 8.1 8.7  
Long-term Preset Mix 0.46% 1.28% -6.57 -0.7 -8.3 -7.7 6.8 9.5 9.5  
Stock Only Preset Mix ***** 0.61% 1.28% -7.91 -0.3 -10.3 -10.6 7.6 11.1 10.0  
* Inception date of 11/30/04. Historical returns provided.  
** Expense ratio reduced as of 9/30/97,12/13/02, and 7/7/97.  
*** Inception date of 8/30/05. Historical returns provided.  
**** Inception date of 11/30/04. Historical returns provided. The returns before 11/30/04 are those for the Columbia Small Cap Growth Fund, which was managed by the same management team as the TCM Small Cap Growth Fund.  
***** Inception date of 12/31/04.  Historical returns provided for this preset mix as if it had existed as of 12/31/96, and was managed with a similar asset allocation strategy as the other preset mixes, only more aggressively.  
 
 
****** Inception date of 4/30/08.  Historical returns will be provided in the future.