Calvert for Institutional Investors
Mutual Fund Performance

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Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Aggressive Allocation Fund (CAAAX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		13.32 0.08 0.60 -1.27 1.67 2.92 -8.58 -1.55 n/a -0.91 6/30/2005
I Shares
(No Charge) 		13.37 0.08 0.60 -1.04 1.66 3.07 -8.46 -1.47 n/a -0.83 6/30/2005
Calvert Capital Accumulation Fund (CCAFX) Morningstar Style Box ™ - Medium Growth
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A Shares
(No Charge) 		23.68 0.18 0.76 4.82 -1.67 16.46 -5.54 -1.11 -2.95 5.56 10/31/1994
I Shares
(No Charge) 		25.24 0.19 0.75 5.43 -1.49 17.50 -4.67 -0.23 -1.98 1.48 2/26/1999
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Cash Reserves Institutional Prime Fund (CCIXX)
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I Shares
(No Charge) 		1.00 0.00 0.00 0.08 0.01 0.17 1.79 3.00 2.74 3.59 7/1/1996
Calvert Conservative Allocation Fund (CCLAX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		14.96 0.02 0.13 4.66 2.35 8.45 1.17 3.03 n/a 3.50 4/29/2005
Calvert First Government Money Market Fund (FVRXX)
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A Shares
(No Charge) 		1.00 0.00 0.00 0.01 0.00 0.01 1.31 2.48 2.16 n/a 12/7/1976
Calvert Global Alternative Energy Fund (CGAEX) Morningstar Style Box ™ - Medium Growth
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A Shares
(No Charge) 		7.79 0.04 0.51 -22.81 3.14 -22.22 -20.86 n/a n/a -18.98 5/31/2007
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
I Shares
(No Charge) 		7.90 0.04 0.51 -22.56 3.23 -21.89 -20.51 n/a n/a -18.62 5/31/2007
Calvert Global Water Fund (CFWAX) Morningstar Style Box ™ - Medium Blend
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A Shares
(No Charge) 		14.74 0.06 0.41 -3.42 1.67 -0.12 n/a n/a n/a -2.59 9/30/2008
Calvert Government Fund (CGVAX)
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A Shares
(No Charge) 		16.58 -0.02 -0.12 7.25 1.62 8.99 n/a n/a n/a 9.30 12/31/2008
Calvert High Yield Bond Fund (CYBAX)
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A Shares
(No Charge) 		26.91 0.02 0.07 9.03 4.25 19.11 5.49 5.35 n/a 5.89 7/9/2001
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
I Shares
(No Charge) 		26.64 0.02 0.08 9.55 4.38 19.88 5.95 5.72 n/a 6.22 7/9/2001
Calvert Income Fund (CFICX)
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A Shares
(No Charge) 		16.01 -0.02 -0.12 6.09 2.34 10.36 3.90 3.72 6.06 8.44 10/12/1982
I Shares
(No Charge) 		16.03 -0.02 -0.12 6.62 2.52 11.16 4.58 4.40 6.72 6.78 2/26/1999
Calvert Insured Plus Account
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A Shares
(No Charge) 		1.00 0.00 0.00 0.01 0.00 0.01 0.63 2.02 1.82 4.43 3/1/1983
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert International Opportunities Fund (CIOAX) Morningstar Style Box ™ - Medium Blend
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A Shares
(No Charge) 		11.69 0.09 0.77 -0.68 4.76 4.47 -8.23 n/a n/a -8.33 5/31/2007
I Shares
(No Charge) 		11.45 0.09 0.79 -0.35 4.87 4.93 -7.80 n/a n/a -7.91 5/31/2007
Calvert Large Cap Growth Fund (CLGAX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		24.22 0.15 0.62 -5.27 -1.49 1.59 -11.96 -3.74 -3.46 7.05 8/5/1994
I Shares
(No Charge) 		25.51 0.17 0.67 -4.92 -1.42 2.20 -11.44 -3.19 -2.90 7.43 8/5/1994
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Large Cap Value Fund (CLVAX) Morningstar Style Box ™ - Large Value
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A Shares
(No Charge) 		41.91 0.32 0.76 -3.01 1.70 1.13 -11.54 -2.16 2.78 2.81 12/29/1999
Calvert Long-Term Income Fund (CLDAX)
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A Shares
(No Charge) 		17.83 -0.03 -0.17 9.90 3.59 15.17 12.72 9.10 n/a 9.25 12/31/2004
Calvert Mid Cap Value Fund (CMVAX) Morningstar Style Box ™ - Medium Blend
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A Shares
(No Charge) 		15.27 0.10 0.65 -0.07 3.03 5.75 -9.23 -2.38 n/a 0.39 10/1/2004
I Shares
(No Charge) 		15.72 0.10 0.64 0.45 3.16 6.49 -8.61 -1.70 n/a -0.92 6/27/2005
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Moderate Allocation Fund (CMAAX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		14.38 0.06 0.42 0.87 1.89 4.91 -4.60 0.28 n/a 1.24 4/29/2005
I Shares
(No Charge) 		14.44 0.06 0.42 1.20 1.96 5.45 -4.16 0.56 n/a 1.50 4/29/2005
Calvert New Vision Small Cap Fund (CNVAX) Morningstar Style Box ™ - Small Blend
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A Shares
(No Charge) 		12.38 0.13 1.05 -3.69 -2.49 0.43 -11.77 -6.60 -2.29 0.08 1/31/1997
I Shares
(No Charge) 		13.45 0.14 1.04 -3.13 -2.30 1.35 -11.05 -5.83 -1.40 2.79 2/26/1999
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Short Duration Income Fund (CSDAX)
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A Shares
(No Charge) 		16.60 0.00 0.00 3.38 1.56 5.86 5.66 5.27 n/a 6.04 1/31/2002
I Shares
(No Charge) 		16.66 -0.01 -0.06 3.80 1.64 6.44 6.10 5.66 n/a 6.18 2/26/2002
Calvert Short-Term Government Fund (CTGAX)
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A Shares
(No Charge) 		53.17 -0.07 -0.13 2.88 1.21 3.28 4.18 3.98 3.87 4.05 4/3/2000
I Shares
(No Charge) 		53.07 -0.07 -0.13 3.07 1.26 3.55 4.42 4.23 4.12 4.30 4/3/2000
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Small Cap Value Fund (CCVAX) Morningstar Style Box ™ - Small Growth
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A Shares
(No Charge) 		14.81 0.16 1.08 1.03 -2.16 3.53 -8.32 -2.87 n/a -1.07 10/1/2004
I Shares
(No Charge) 		15.36 0.16 1.04 1.60 -2.01 4.36 -7.59 -2.10 n/a -0.02 4/29/2005
Calvert Social Index Fund (CSXAX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		10.01 0.07 0.70 -2.45 0.00 3.33 -9.36 -2.32 -4.15 -3.64 6/30/2000
I Shares
(No Charge) 		10.17 0.07 0.69 -2.13 0.10 3.86 -8.87 -1.78 -3.71 -3.19 6/30/2000
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
Calvert Tax-Free Bond Fund (CTTLX)
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A Shares
(No Charge) 		15.99 -0.01 -0.06 4.58 3.09 6.20 3.59 2.96 4.47 6.42 8/23/1983
Calvert Tax-Free Reserves Money Market Portfolio (CTMXX)
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A Shares
(No Charge) 		1.00 0.00 0.00 0.01 0.00 0.01 0.96 1.70 1.53 3.58 3/4/1981
Calvert Ultra-Short Income Fund (CULAX)
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A Shares
(No Charge) 		15.77 0.01 0.06 1.70 0.89 3.79 4.99 n/a n/a 4.70 10/31/2006
Calvert World Values International Equity Fund (CWVGX) Morningstar Style Box ™ - Large Blend
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A Shares
(No Charge) 		13.26 0.09 0.68 -2.80 5.98 -3.01 -15.85 -2.99 -2.14 3.04 7/2/1992
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
I Shares
(No Charge) 		14.17 0.10 0.71 -2.29 5.99 -2.24 -15.23 -2.31 -1.36 0.45 2/26/1999
CSIF Balanced Portfolio (CSIFX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		25.25 0.09 0.36 1.80 1.65 6.59 -4.03 -0.06 -0.10 7.36 10/21/1982
I Shares
(No Charge) 		25.55 0.09 0.35 2.21 1.76 7.21 -3.51 0.45 0.30 1.56 2/26/1999
CSIF Bond Portfolio (CSIBX)
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A Shares
(No Charge) 		15.95 -0.02 -0.13 7.19 2.52 10.43 5.47 4.76 6.39 7.16 8/24/1987
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
I Shares
(No Charge) 		15.97 -0.02 -0.13 7.68 2.68 11.17 6.12 5.39 7.01 6.82 3/31/2000
CSIF Enhanced Equity Portfolio (CMIFX) Morningstar Style Box ™ - Large Blend
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A Shares
(No Charge) 		14.38 0.07 0.49 -0.49 0.73 6.54 -9.22 -2.71 -2.34 0.77 4/15/1998
I Shares
(No Charge) 		14.64 0.08 0.55 -0.14 0.79 7.05 -8.69 -2.25 -2.01 1.11 4/15/1998
CSIF Equity Portfolio (CSIEX) Morningstar Style Box ™ - Large Growth
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A Shares
(No Charge) 		30.79 0.22 0.71 0.13 1.89 4.11 -4.95 0.19 1.25 6.62 8/24/1987
Fund Prices
as of 9/8/2010		 Return
(as of 9/7/2010)
Average Annual Total Returns
(for period ending 8/31/2010)
Share Class Price $ Change % Change YTD QTD 1 yr 3 yrs 5 yrs 10 yrs Since Inception Inception
I Shares
(No Charge) 		32.76 0.22 0.67 0.53 1.97 4.69 -4.42 0.74 1.78 3.91 11/1/1999
CSIF Money Market Portfolio (CSIXX)
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O Shares
(No Charge) 		1.00 0.00 0.00 0.01 0.00 0.01 1.46 2.57 2.21 4.67 10/21/1982
The performance data quoted represents past performance, which does not guarantee future results. The investment return and principal value of an investment will fluctuate so that an investor's shares, when redeemed, may be worth more or less than their original cost. Current performance may be higher or lower than the performance data quoted. Indices reflect no deductions for fees or expenses. An investor cannot invest directly in an index.

Important Performance Disclosure

Class A and Class I shares of Calvert High Yield Bond Fund, a series of Summit Mutual Funds, Inc. (“SMF Calvert High Yield Bond Fund”), were reorganized into the Class A and Class I shares, respectively, of an identical and newly created series of The Calvert Fund (“TCF”), Calvert High Yield Bond Fund, which commenced operations on September 18, 2009. The performance results prior to September 18, 2009, for Class A and Class I shares of TCF Calvert High Yield Bond Fund reflect the performance of the corresponding shares of SMF Calvert High Yield Bond Fund. In addition, performance results for Class A shares of TCF Calvert High Yield Bond Fund prior to February 1, 2007, the inception date for Class A shares of SMF Calvert High Yield Bond Fund, reflect the performance of Class I shares of SMF Calvert High Yield Bond Fund, adjusted for the 12b-1 distribution fees applicable to Class A.
 
Class A and Class I shares of Calvert Short-Term Government Fund, a series of Summit Mutual Funds, Inc. (“SMF Calvert Short-Term Government Fund”), were reorganized into the Class A and Class I shares, respectively, of an identical and newly created series of The Calvert Fund (“TCF”), Calvert Short-Term Government Fund, which commenced operations on September 18, 2009. The performance results prior to September 18, 2009, for Class A and Class I shares of TCF Calvert Short-Term Government Fund reflect the performance of the corresponding shares of SMF Calvert Short-Term Government Fund. In addition, performance results for Class A shares of TCF Calvert Short-Term Government Fund prior to February 1, 2007, the inception date for Class A shares of SMF Calvert Short-Term Government Fund, reflect the performance of Class I shares of SMF Calvert Short-Term Government Fund, adjusted for the 12b-1 distribution fees applicable to Class A.
 
From January 18, 2002 to January 30, 2003, and from March 12, 2003 to July 31, 2003, there were no Class I shareholders in Calvert New Vision Small Cap Fund. Accordingly, performance results for these periods reflect the performance of Class A shares at NAV (i.e., without deduction of any front-end sales charge). Actual Class I share performance would have been higher than Class A share performance because Class I, unlike Class A, has no Rule 12b-1 fees.
 
From January 18, 2002 to June 3, 2003, there were no Class I shareholders in the Calvert Capital Accumulation Fund. Performance results for Class I shares during this period reflect the performance of Class A shares at NAV (i.e., without deduction of any front-end sales charge). Actual Class I share performance would have been higher than Class A share performance because Class I, unlike Class A, has no Rule 12b-1 fees.
 
From June 31, 2003 to December 31, 2004, there were no Class I shareholders in CSIF Balanced Portfolio. Performance results for the Fund during this period reflect the performance of Class A shares at NAV (i.e., without deduction of any front-end sales charge). Actual Class I share performance would have been higher than Class A share performance because Class I, unlike Class A, has no Rule 12b-1 fees.
 
Money market fund yields fluctuate and past performance is not a guarantee of future results. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the Fund. Yield quotation more closely reflects the current earnings of the money market fund than the total return quotation.
 
Performance results for Class I shares of Calvert Moderate Allocation Fund and Calvert Aggressive Allocation Fund prior to January 31, 2008, the inception date for Class I shares, reflect the performance of Class A shares at net asset value (NAV). Actual Class I share performance would have been higher than Class A share performance because Class I, unlike Class A, has no Rule 12b-1 fees.
 
Prior to July 13, 2009, the Calvert Tax-Free Bond Fund emphasized investments in long-term fixed income securities and the returns shown above are the result of that investment management strategy. At a shareholder meeting held on July 13, 2009, the Fund's "Principal Investment Strategies" were amended to permit the Fund's portfolio manager to manage the Fund as a flexible duration fund without any upper or lower limit on the Fund's average maturity or average duration. The Fund's performance after July 13, 2009 reflects the Fund's new investment management strategy, which will cause the Fund to have, at times, a significantly shorter weighted average maturity and effective duration than it did prior to July 13, 2009. Past performance is no guarantee of future results.
 
Ratings are determined by using S&P, Moody's and Fitch rating services, whose rating categories are reflected above respectively. Bonds rated by all three services are assigned the median rating; if a bond is rated by only two agencies, it is assigned the lowest rating; if it is only rated by one agency, it is assigned that rating. Bonds issued or guaranteed by the U.S. Government are grouped as "Government." If a bond is not rated by any of the aforementioned rating services, it appears in the "Not Rated" category.
 
The Class A shares of the Everest Fund of Summit Mutual Funds, Inc. were reorganized into the Class A shares of Calvert Large Cap Value Fund, which commenced operations on 12/12/08.  Performance results for Class A shares of Calvert Large Cap Value Fund prior to 12/12/08 reflect the performance of Class A shares of the Everest Fund since their inception on 12/29/99.
 
The Social Responsibility Portfolio of Bridgeway Fund, Inc. ("Bridgeway") was reorganized into the Class I Shares of the Calvert Large Cap Growth Fund, which commenced operations on October 31, 2000. Performance results for Class A shares of Calvert Large Cap Growth Fund prior to October 31, 2000 reflect the performance of Class I, i.e., Bridgeway, for that period, but have been adjusted to reflect the Class A sales charges.
 
The Social Responsibility Portfolio of Bridgeway, Inc. ("Bridgeway") was reorganized into the Class I shares of the Calvert Large Cap Growth Fund, which commenced operations on 10/31/00. Performance results prior to 10/31/00 for Class I shares of Calvert Large Cap Growth Fund reflect the performance of Bridgeway since its inception on 8/5/94.
 

I101 (4/09)