As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Large Cap |

ASTON/Cornerstone Large Cap Value^{2} | N (RVALX) | 2.06 | 2.97 | 5.08 | 4.19 | 3.32 | 8.57 | 4.52 | 7.12 | 1/4/1993 | 1.19 | 1.15 |

| I (AAVIX) | 2.06 | 2.89 | 5.14 | 4.36 | 3.53 | 8.84 | 4.78 | 5.36 | 9/20/2005 | 0.94 | 0.90 |

ASTON/Fairpointe Focused Equity | N (AFPTX) | 0.21 | 4.17 | 11.57 | 8.66 | N/A | N/A | N/A | -0.99 | 12/24/2014 | 3.02 | 1.15 |

| I (AFFEX) | 0.21 | 4.27 | 11.80 | 9.01 | N/A | N/A | N/A | -0.74 | 12/24/2014 | 2.77 | 0.90 |

ASTON/Herndon Large Cap Value^{1,2} | N (AALIX) | 0.93 | 3.90 | 2.99 | 2.60 | 3.84 | 7.20 | N/A | 7.58 | 3/31/2010 | 1.16 | 1.14 |

| I (AHRNX) | 0.93 | 3.99 | 3.17 | 2.84 | 4.07 | 7.47 | N/A | 6.44 | 3/2/2011 | 0.91 | 0.89 |

ASTON/Montag & Caldwell Growth^{2} | N (MCGFX) | -1.72 | 1.21 | 0.25 | 4.62 | 9.47 | 11.07 | 7.61 | 8.85 | 11/2/1994 | 1.06 | 1.05 |

| I (MCGIX) | -1.71 | 1.26 | 0.35 | 4.84 | 9.73 | 11.35 | 7.88 | 7.49 | 6/28/1996 | 0.81 | 0.80 |

| R (MCRGX) | -1.76 | 1.14 | 0.05 | 4.30 | 9.19 | 10.79 | 7.35 | 7.23 | 12/31/2002 | 1.31 | 1.30 |

ASTON/River Road Dividend All Cap Value II^{2} | N (ADVTX) | 0.10 | 4.06 | 12.93 | 15.98 | 9.82 | N/A | N/A | 12.07 | 6/27/2012 | 1.15 | 1.15 |

| I (ADIVX) | 0.12 | 4.12 | 13.20 | 16.25 | 10.12 | N/A | N/A | 12.37 | 6/27/2012 | 0.90 | 0.90 |

AMG Managers Cadence Capital Appreciation Fund | Inst (MPCIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/8/1991 | N/A | N/A |

| Investor (MPAFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/20/1997 | N/A | N/A |

| Service (MCFYX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/31/1996 | N/A | N/A |

AMG Renaissance Large Cap Growth Fund | Inst (MRLIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/3/2009 | N/A | N/A |

| Investor (MRLTX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/3/2009 | N/A | N/A |

| Service (MRLSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/3/2009 | N/A | N/A |

AMG Systematic Large Cap Value Fund | Inst (MSYSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/1/2002 | N/A | N/A |

| Investor (MSYAX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2/28/2006 | N/A | N/A |

AMG Yacktman Focused Fund | Inst (YAFIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/24/2012 | N/A | N/A |

| Service (YAFFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5/1/1997 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Mid Cap |

ASTON/Fairpointe Mid Cap^{2} | N (CHTTX) | -0.03 | 5.34 | 8.65 | 8.39 | 7.15 | 13.36 | 9.86 | 12.01 | 9/19/1994 | 1.11 | 1.11 |

| I (ABMIX) | -0.03 | 5.38 | 8.80 | 8.65 | 7.41 | 13.64 | 10.14 | 9.43 | 7/6/2004 | 0.86 | 0.86 |

ASTON/Montag & Caldwell Mid Cap Growth^{1,2} | N (AMCMX) | 0.19 | 2.41 | 3.71 | 3.77 | 8.33 | 10.38 | N/A | 5.01 | 11/2/2007 | 2.11 | 1.25 |

| I (AMMCX) | 0.19 | 2.50 | 3.79 | 4.04 | N/A | N/A | N/A | 6.33 | 5/14/2014 | 1.86 | 1.00 |

AMG Managers Cadence Mid Cap Fund | Inst (MCMFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8/26/1991 | N/A | N/A |

| Investor (MCMAX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/13/1997 | N/A | N/A |

| Service (MCMYX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11/30/1994 | N/A | N/A |

AMG SouthernSun U.S. Equity Fund | C (SSECX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/10/2012 | N/A | N/A |

| Inst (SSEIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/10/2012 | N/A | N/A |

| Investor (SSEFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/10/2012 | N/A | N/A |

AMG Systematic Mid Cap Value Fund | Inst (SYIMX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/21/2006 | N/A | N/A |

| Investor (SYAMX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/21/2006 | N/A | N/A |

| Service (SYCSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11/30/2012 | N/A | N/A |

AMG TimesSquare Mid Cap Growth Fund | Inst (TMDIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/4/2005 | N/A | N/A |

| Premier (TMDPX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/4/2005 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Small and Micro-Cap |

ASTON/LMCG Small Cap Growth^{1,2} | N (ACWDX) | 0.69 | 3.69 | -6.90 | -13.18 | 4.48 | 10.70 | N/A | 9.56 | 11/3/2010 | 1.54 | 1.35 |

| I (ACWIX) | 0.75 | 3.80 | -6.69 | -12.92 | 4.74 | 10.98 | N/A | 6.49 | 6/1/2011 | 1.29 | 1.10 |

ASTON/River Road Select Value^{2} | N (ARSMX) | 2.11 | 5.38 | 16.19 | 15.27 | 7.20 | 12.07 | N/A | 5.38 | 3/29/2007 | 1.52 | 1.49 |

| I (ARIMX) | 2.08 | 5.43 | 16.59 | 15.55 | 7.47 | 12.36 | N/A | 5.24 | 6/28/2007 | 1.27 | 1.24 |

ASTON/River Road Small Cap Value^{2} | N (ARSVX) | 1.71 | 4.68 | 13.41 | 13.41 | 7.46 | 11.84 | 5.45 | 7.22 | 6/28/2005 | 1.39 | 1.34 |

| I (ARSIX) | 1.77 | 4.80 | 13.63 | 13.73 | 7.73 | 12.15 | N/A | 4.90 | 12/13/2006 | 1.14 | 1.09 |

ASTON/Silvercrest Small Cap^{1} | N (ASCTX) | 3.09 | 8.54 | 14.35 | 13.58 | 10.30 | N/A | N/A | 13.19 | 12/27/2011 | 1.47 | 1.40 |

| I (ACRTX) | 3.13 | 8.61 | 14.54 | 13.93 | 10.60 | N/A | N/A | 13.49 | 12/27/2011 | 1.22 | 1.15 |

ASTON Small Cap | N (ATASX) | 0.17 | 2.73 | 4.15 | -3.25 | 0.77 | 7.07 | 5.70 | 9.04 | 11/30/2000 | 1.42 | 1.35 |

| I (ATSIX) | 0.30 | 2.90 | 4.33 | -2.99 | 1.03 | 7.34 | 5.97 | 6.77 | 1/4/2005 | 1.17 | 1.10 |

AMG Chicago Equity Partners Small Cap Value Fund | Inst (CESIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/31/2014 | N/A | N/A |

| Investor (CESVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/31/2014 | N/A | N/A |

| Service (CESSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/31/2014 | N/A | N/A |

AMG Frontier Small Cap Growth Fund | Inst (MSSYX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/1/2010 | N/A | N/A |

| Investor (MSSVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/1/2010 | N/A | N/A |

| Service (MSSCX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9/24/1997 | N/A | N/A |

AMG GW&K Small Cap Core Fund | Inst (GWEIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/27/2009 | N/A | N/A |

| Investor (GWETX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/10/1996 | N/A | N/A |

| Service (GWESX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/27/2009 | N/A | N/A |

AMG Managers Cadence Emerging Companies Fund | Inst (MECIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/25/1993 | N/A | N/A |

| Service (MECAX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/1/1996 | N/A | N/A |

AMG Managers Emerging Opportunities Fund | Inst (MIMFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10/1/2011 | N/A | N/A |

| Service (MMCFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/30/1994 | N/A | N/A |

AMG Managers Special Equity Fund | Inst (MSEIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5/3/2004 | N/A | N/A |

| Service (MGSEX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/1/1984 | N/A | N/A |

AMG SouthernSun Small Cap Fund | Inst (SSSIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9/30/2009 | N/A | N/A |

| Investor (SSSFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10/1/2003 | N/A | N/A |

AMG TimesSquare Small Cap Growth Fund | Inst (TSCIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/21/2000 | N/A | N/A |

| Premier (TSCPX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/21/2000 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Fixed Income |

ASTON/DoubleLine Core Plus Fixed Income^{1,2} | N (ADBLX) | 0.08 | 2.92 | 6.37 | 5.34 | 5.03 | 4.69 | N/A | 5.30 | 7/18/2011 | 1.08 | 0.94 |

| I (ADLIX) | 0.01 | 2.98 | 6.45 | 5.61 | 5.25 | 4.93 | N/A | 5.54 | 7/18/2011 | 0.83 | 0.69 |

AMG GW&K Core Bond Fund | Inst (MBDLX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5/8/2015 | N/A | N/A |

| Service (MBDFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/30/1993 | N/A | N/A |

| Investor (MBGVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5/8/2015 | N/A | N/A |

AMG GW&K Enhanced Core Bond Fund | C (MFDCX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/5/1998 | N/A | N/A |

| Inst (MFDYX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/1997 | N/A | N/A |

| Investor (MFDAX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/1997 | N/A | N/A |

| Service (MFDSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11/30/2012 | N/A | N/A |

AMG Managers Bond Fund | Inst (MGBIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4/1/2013 | N/A | N/A |

| Service (MGFIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/1/1984 | N/A | N/A |

AMG Managers High Yield Fund | Inst (MHHYX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/2/1998 | N/A | N/A |

| Investor (MHHAX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/1998 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

All Cap |

ASTON/River Road Focused Absolute Value | N (ARRFX) | 4.14 | 9.28 | 17.64 | N/A | N/A | N/A | N/A | 10.70 | 11/3/2015 | N/A | N/A |

| I (AFAVX) | 4.13 | 9.37 | 17.85 | N/A | N/A | N/A | N/A | 10.90 | 11/3/2015 | N/A | N/A |

ASTON/River Road Dividend All Cap Value | N (ARDEX) | 0.28 | 4.22 | 13.40 | 16.17 | 9.90 | 12.38 | 7.27 | 8.16 | 6/28/2005 | 1.10 | 1.10 |

| I (ARIDX) | 0.30 | 4.28 | 13.59 | 16.46 | 10.16 | 12.67 | N/A | 6.34 | 6/28/2007 | 0.85 | 0.85 |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Alternative |

ASTON/Anchor Capital Enhanced Equity^{2} | N (AMBEX) | -0.90 | 1.23 | 2.55 | -1.05 | 1.61 | 3.69 | N/A | 3.25 | 1/15/2008 | 1.19 | 1.19 |

| I (AMDSX) | -0.90 | 1.18 | 2.67 | -0.78 | 1.87 | 3.95 | N/A | 4.50 | 3/3/2010 | 0.94 | 0.94 |

ASTON/Lake Partners LASSO Alternatives^{1,2} | N (ALSNX) | -0.34 | 0.76 | 0.68 | 0.36 | 0.85 | 2.86 | N/A | 2.93 | 3/3/2010 | 3.21 | 1.40 |

| I (ALSOX) | -0.33 | 0.85 | 0.85 | 0.53 | 1.09 | 3.11 | N/A | 4.88 | 4/1/2009 | 2.96 | 1.15 |

ASTON/River Road Long-Short^{5} | N (ARLSX) | 1.45 | 1.09 | 1.55 | 5.34 | 2.47 | 5.89 | N/A | 4.77 | 5/4/2011 | 2.93 | 1.70 |

| I (ALSIX) | 1.44 | 1.08 | 1.62 | 5.48 | 2.70 | N/A | N/A | 3.26 | 3/4/2013 | 2.68 | 1.45 |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Global/International |

ASTON/Guardian Capital Global Dividend^{1,4} | N (AGCNX) | -2.92 | -0.07 | 0.69 | 3.17 | N/A | N/A | N/A | 2.07 | 4/14/2014 | 3.55 | 1.30 |

| I (AGCDX) | -2.83 | 0.09 | 0.91 | 3.43 | N/A | N/A | N/A | 2.30 | 4/14/2014 | 3.30 | 1.05 |

ASTON/Pictet International^{1,4} | N (APINX) | 1.77 | 4.26 | 5.04 | 4.97 | N/A | N/A | N/A | -0.25 | 4/14/2014 | 1.82 | 1.40 |

| I (APCTX) | 1.76 | 4.25 | 5.25 | 5.21 | N/A | N/A | N/A | 0.07 | 4/14/2014 | 1.57 | 1.15 |

ASTON/Value Partners Asia Dividend | N (AVADX) | 1.62 | 8.81 | 7.40 | N/A | N/A | N/A | N/A | 8.05 | 12/16/2015 | 3.74 | 1.40 |

| I (AAVPX) | 1.62 | 8.94 | 7.64 | N/A | N/A | N/A | N/A | 8.28 | 12/16/2015 | 3.49 | 1.15 |

AMG Renaissance International Equity Fund | Inst (RIELX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/16/2014 | N/A | N/A |

| Investor (RIEIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/16/2014 | N/A | N/A |

| Service (RIESX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/16/2014 | N/A | N/A |

AMG TimesSquare International Small Cap Fund | Inst (TCMIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/2013 | N/A | N/A |

| Premier (TCMPX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/2013 | N/A | N/A |

AMG Trilogy Global Equity Fund | Inst (TLGIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2011 | N/A | N/A |

| Investor (TLGVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2012 | N/A | N/A |

| Service (TLGSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2011 | N/A | N/A |

AMG Trilogy International Small Cap Fund | Inst (TLSIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2011 | N/A | N/A |

| Investor (TLSVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/15/2011 | N/A | N/A |

| Service (TLSSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2011 | N/A | N/A |

AMG Yacktman Special Opportunities Fund | Inst (YASLX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/30/2014 | N/A | N/A |

| Service (YASSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/30/2015 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Emerging Markets |

AMG Trilogy Emerging Markets Equity Fund | Inst (TLEIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2011 | N/A | N/A |

| Investor (TLEVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2012 | N/A | N/A |

| Service (TLESX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/1/2011 | N/A | N/A |

AMG Trilogy Emerging Wealth Equity Fund | Inst (TYWIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/19/2015 | N/A | N/A |

| Investor (TYWVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/19/2015 | N/A | N/A |

| Service (TYWSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3/19/2015 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Allocation |

ASTON/Montag & Caldwell Balanced^{1,2} | N (MOBAX) | -1.28 | 1.33 | 2.13 | 4.70 | 7.30 | 7.60 | 6.28 | 7.42 | 11/2/1994 | 1.60 | 1.35 |

| I (MOBIX) | -1.29 | 1.36 | 2.22 | 4.81 | 7.41 | 7.71 | 6.43 | 4.31 | 12/31/1998 | 1.35 | 1.10 |

AMG Chicago Equity Partners Balanced Fund | Inst (MBEYX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/1997 | N/A | N/A |

| Investor (MBEAX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/2/1997 | N/A | N/A |

| Service (MBESX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11/30/2012 | N/A | N/A |

AMG FQ Global Risk-Balanced Fund | Inst (MMAFX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11/18/1988 | N/A | N/A |

| Investor (MMAVX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/1/2010 | N/A | N/A |

| Service (MMASX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1/1/2010 | N/A | N/A |

As of: 8/31/2016 |
Class |
1 MO | 3 MO | YTD | 1 YR | 3 YR | 5 YR | 10 YR | Since Incept. | Incept. Date | Total (Gross) Ratio | Net Ratio |

Tax-Exempt Fixed Income |

AMG GW&K Municipal Bond Fund | Inst (GWMIX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/30/2009 | N/A | N/A |

| Investor (GWMTX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/30/2009 | N/A | N/A |

| Service (GWMSX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6/30/2009 | N/A | N/A |

AMG GW&K Municipal Enhanced Yield Fund | Inst (GWMEX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12/30/2005 | N/A | N/A |

| Investor (GWMNX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/27/2009 | N/A | N/A |

| Service (GWMRX) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7/27/2009 | N/A | N/A |