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Fund Performance
Class A Shares - Data as of August 19, 2008.

Class A Class B Class C Class Y *



Natixis Growth Funds - Class A
Expense
Ratios14
At NAV
as of
08/19/08
At Net Asset Value
as of
July 31, 2008
With Max. Sales Charge2
as of
June 30, 2008
Fund Name Trading Symbol Inception
Date
Gross Net Year To Date 1 Year Total 5 Year Average Annual 10 Year Average Annual 1 Year Total 5 Year Average Annual 10 Year Average Annual
Loomis Sayles Growth Fund 8 15 LGRRX 05/16/91 1.14% 1.14% -19.84% -6.03% 6.59% 2.00% -9.47% 6.99% 1.21%
Westpeak 130/30 Growth Fund 6 16 NEFCX 08/03/92 2.05% 1.95% -10.22% -15.00% 2.45% -1.97% -21.23% 1.93% -2.44%

Natixis Value Funds - Class A
Expense
Ratios14
At NAV
as of
08/19/08
At Net Asset Value
as of
July 31, 2008
With Max. Sales Charge2
as of
June 30, 2008
Fund Name Trading Symbol Inception
Date
Gross Net Year To Date 1 Year Total 5 Year Average Annual 10 Year Average Annual 1 Year Total 5 Year Average Annual 10 Year Average Annual
AEW Real Estate Fund 16 NRFAX 12/29/00 1.46% 1.46% -0.12% -5.00% 13.81% 13.83%3 -19.68% 13.07% 12.69%3
Harris Associates Focused Value Fund 16 NRSAX 03/15/01 1.39% 1.39% -14.06% -23.05% 3.59% 2.78%3 -30.82% 2.24% 2.00%3
Harris Associates Large Cap Value Fund 16 NEFOX 05/06/31 1.28% 1.28% -13.04% -17.27% 4.03% 0.21% -26.69% 2.23% -0.73%
Loomis Sayles Value Fund 13 15 LSVRX 06/30/06 1.09% 1.09% -12.41% -9.50% 11.39% 5.16% -18.04% 10.21% 4.06%
Vaughan Nelson Small Cap Value Fund 16 NEFJX 12/31/96 1.58% 1.46% 1.90% 1.47% 12.51% 7.43% -9.69% 12.30% 5.79%

Natixis Core Funds - Class A
Expense
Ratios14
At NAV
as of
08/19/08
At Net Asset Value
as of
July 31, 2008
With Max. Sales Charge2
as of
June 30, 2008
Fund Name Trading Symbol Inception
Date
Gross Net Year To Date 1 Year Total 5 Year Average Annual 10 Year Average Annual 1 Year Total 5 Year Average Annual 10 Year Average Annual
CGM Advisor Targeted Equity Fund NEFGX 11/27/68 1.17% 1.17% -14.66% 7.12% 15.65% 5.22% 7.48% 15.01% 5.20%
Loomis Sayles Research Fund 9 15 LSRRX 07/31/00 1.50% 1.25% -14.67% -6.38% 8.12% 0.34%3 -12.69% 7.66% -0.21%3

Natixis Global/International Funds - Class A
Expense
Ratios14
At NAV
as of
08/19/08
At Net Asset Value
as of
July 31, 2008
With Max. Sales Charge2
as of
June 30, 2008
Fund Name Trading Symbol Inception
Date
Gross Net Year To Date 1 Year Total 5 Year Average Annual 10 Year Average Annual 1 Year Total 5 Year Average Annual 10 Year Average Annual
Hansberger International Fund NEFDX 12/29/95 1.45% 1.45% -19.78% -9.20% 15.06% 7.54% -11.80% 15.10% 7.31%
Loomis Sayles Global Markets Fund 11 15 LGMAX 02/01/06 1.37% 1.25% -15.33% 0.76% 12.98% 11.69% -0.62% 12.17% 11.44%
Loomis Sayles International Bond Fund 15 LSIAX 02/01/08 1.15% 1.10% -1.86%3 1.18%3 - - -3.35%3 - -

Natixis Hedged Equity Funds - Class A
Expense
Ratios14
At NAV
as of
08/19/08
At Net Asset Value
as of
July 31, 2008
With Max. Sales Charge2
as of
June 30, 2008
Fund Name Trading Symbol Inception
Date
Gross Net Year To Date 1 Year Total 5 Year Average Annual 10 Year Average Annual 1 Year Total 5 Year Average Annual 10 Year Average Annual
Gateway Fund 18 19 GATEX 12/07/77 1.01% 0.94% -1.31% 1.41% 6.36% 5.38% -5.79% 5.30% 4.70%

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Natixis Diversified Funds - Class A
Expense
Ratios14
At NAV
as of
08/19/08
At Net Asset Value
as of
July 31, 2008
With Max. Sales Charge2
as of
June 30, 2008
Fund Name Trading Symbol Inception
Date
Gross Net Year To Date 1 Year Total