Top 10 Funds by Percentile Ranking - 1 Year (as of 03/31/08) Fund Name % Rank Type Style Utopia Yield Income Fund 3 Walden Social Equity Fund 3 Large Blend Growth Parnassus Equity Income 4 Large Value Equity Income Utopia Core Conservative 4 Small Cap Value Equity Income Walden Social Balanced Fund 6 Large Cap Balanced Aquinas Growth Fund 8 Large Growth Growth Pax World High Yield Fund 9 High Yield Bond PIMCO Total Return III Admin 9 PIMCO Total Return III Instl 9 New Alternatives Fund 11 Small Blend Growth

Top 10 Funds by Percentile Ranking - 3 Year (as of 03/31/08) Fund Name % Rank Type Style New Alternatives Fund 1 Small Blend Growth Spectra Green Fund Class N 2 Mid-Cap Growth Growth Pax World High Yield Fund 6 High Yield Bond PIMCO Total Return III Instl 6 PIMCO Total Return III Admin 8 Calvert Social Bond I 9 Intermediate-Term Bond Corp. General Parnassus Fixed Income 9 Intermediate-Term Bond Corp. General Integrity Growth & Income Fund 13 All Cap Value Growth + Income PIMCO Low Duration III Inst 18 Calvert Social Bond A 19 Intermediate-Term Bond Corp. General

Top 10 Funds by Percentile Ranking - 5 Year (as of 03/31/08) Fund Name % Rank Type Style New Alternatives Fund 2 Small Blend Growth Calvert Social Bond I 4 Intermediate-Term Bond Corp. General Green Century Balanced Fund 6 Small Cap Growth Balanced Calvert Social Bond A 7 Intermediate-Term Bond Corp. General PIMCO Total Return III Instl 9 Spectra Green Fund Class N 10 Mid-Cap Growth Growth Winslow Green Growth Fund 10 Small Cap Growth Aggress. Growth PIMCO Total Return III Admin 11 Calvert Social-Bond C 14 Short-Term Bond Balanced Calvert Social-Bond B 16 Intermediate-Term Bond Balanced

Top Performing Equity Funds (as of 03/31/08) 1 Year 3 Year 5 Year Utopia Yield Income Fund 5.79% New Alternatives Fund 19.71% New Alternatives Fund 20.18% Aquinas Growth Fund 5.05% Spectra Green Fund Class N 14.96% Winslow Green Growth Fund 18.31% Walden Social Equity Fund 5.01% Flex-funds Total Return Utilities 13.06% Flex-funds Total Return Utilities 16.66% Utopia Core Conservative 4.69% Parnassus Equity Income 8.49% Spectra Green Fund Class N 15.29% Top Performing International Funds (as of 03/31/08) 1 Year 3 Year 5 Year Guinness Atkinson Alternative Energy Fund 4.01% MMA Praxis International A 12.04% MMA Praxis International A 17.91% Citizens Global Equity Fund 3.63% Portfolio 21 11.62% Portfolio 21 17.28% Top Performing Balanced Funds (as of 03/31/08) 1 Year 3 Year 5 Year Walden Social Balanced Fund 5.29% Calvert World Values Intl Eqty C 9.35% Calvert World Values Intl Eqty C 15.98% Calvert Social-Bond C 4.55% Calvert World Values Intl Eqty B 9.19% Calvert World Values Intl Eqty B 15.74% Top Performing Bond Funds (as of 03/31/08) 1 Year 3 Year 5 Year Domini Social Bond Fund 6.69% Parnassus Fixed Income 5.61% Pax World High Yield Fund 7.57% Parnassus Fixed Income 6.60% Pax World High Yield Fund 5.56% Calvert Social Bond A 5.74%

10 Largest Funds (as of 03/31/08) Fund Name Assets (Millions) Type Style Ariel Fund $2,950.0 Small Cap Value Growth Pax World Balanced Fund $2,290.1 Domestic Hybrid Balanced PIMCO Total Return III Instl $2,225.5 Ariel Appreciation $1,871.0 Mid-Cap Blend Growth Parnassus Equity Income $881.9 Large Value Equity Income Calvert Social Equity A $876.5 Large Blend Growth Domini Social Equity A $858.4 Large Blend Growth Domini Social Equity Fund $858.4 Large Blend Growth New Covenant Growth Fund $848.8 Large Blend Growth Calvert Large Cap Growth A $843.1 Mid-Cap Growth Growth

10 Smallest Funds (as of 03/31/08) Fund Name Assets (Millions) Type Style Gabelli SRI Fund Inc A $0.2 Domestic Hybrid Balanced Gabelli SRI Fund Inc C $0.2 Domestic Hybrid Balanced Citizens Emerging Growth Institutional $0.4 Mid-Cap Growth Aggress. Growth Gabelli SRI Fund Inc I $0.5 Domestic Hybrid Balanced AHA Socially Responsible Equity A $0.7 Large Growth Equity Income Gabelli SRI Fund Inc AAA $0.7 Domestic Hybrid Balanced Citizens Global Equity Institutional $0.9 World Stock World Equity MMA Praxis Growth Index Fund B $0.9 Domestic Hybrid Growth Domini European PacAsia Social Equity Fund A $1.0 Large Blend Foreign Equity Domini PacAsia Social Equity A $1.3 World Stock World Equity

10 Oldest Funds (as of 03/31/08) Fund Name Inception Date Type Style Blue Fund 00/00/00 Large Cap Managed Index Pax World Balanced Fund 08/10/71 Domestic Hybrid Balanced Dreyfus Premier Third Century (Z) 03/29/72 Large Growth Growth New Alternatives Fund 09/03/82 Small Blend Growth Calvert Social Balanced A 10/21/82 Domestic Hybrid Balanced Parnassus Fund 12/31/84 Mid-Cap Blend Growth Ariel Fund 11/06/86 Small Cap Value Growth Legg Mason Partners Social Awareness (B) 02/02/87 Large Blend Balanced Calvert Social Bond A 08/24/87 Intermediate-Term Bond Corp. General Calvert Social Equity A 08/24/87 Large Blend Growth

10 Newest Funds (as of 03/31/08) Fund Name Inception Date Type Style Gabelli SRI Fund Inc A 06/01/07 Domestic Hybrid Balanced Gabelli SRI Fund Inc AAA 06/01/07 Domestic Hybrid Balanced Gabelli SRI Fund Inc C 06/01/07 Domestic Hybrid Balanced Gabelli SRI Fund Inc I 06/01/07 Domestic Hybrid Balanced Calvert Global Alternative Energy A 05/31/07 Domestic Hybrid Growth Calvert Global Alternative Energy I 05/31/07 Mid-Cap Growth Balanced Calvert International Opp A 05/31/07 World Stock Growth Calvert International Opp I 05/31/07 Foreign Stock Foreign Equity MMA Praxis Growth Index Fund A 05/01/07 Domestic Hybrid Equity Income MMA Praxis Growth Index Fund B 05/01/07 Domestic Hybrid Growth