Form N-CSR Item 13(c) Exhibit

Dear Eaton Vance Fund Shareholder:

This notice provides shareholders of the Eaton Vance Enhanced Equity Income Fund (NYSE: EOI) with important information concerning the distribution declared in October 2022. You are receiving this notice as a requirement of the Fund’s managed distribution plan (Plan). The Board of Trustees approved the implementation of the Plan to make monthly cash distributions to common shareholders, stated in terms of a fixed amount per common share. This information is sent to you for informational purposes only and is an estimate of the sources of the October distribution. It is not determinative of the tax character of the Fund’s distributions for the 2022 calendar year.

The amounts and sources of distributions reported in this notice are estimates, are not being provided for tax reporting purposes and the distribution may later be determined to be from other sources including realized short-term gains, long-term gains, to the extent permitted by law, and return of capital. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Distribution Period: October 2022

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s October distribution and its cumulative distributions paid this fiscal year to date. Amounts are expressed on a per common share basis and as a percentage of the distribution amount.

Eaton Vance Enhanced Equity Income Fund
Source	Current Distribution		% of Current Distribution			Cumulative Distributions for the Fiscal Year-to-Date1		% of the Cumulative Distributions for the  Fiscal Year-to-Date1
Net Investment Income	$	0.0071		6.5	%	$	0.0071		6.5	%
Net Realized Short-Term Capital Gains	$	0.0162		14.8	%	$	0.0162		14.8	%
Net Realized Long-Term Capital Gains	$	0.0862		78.7	%	$	0.0862		78.7	%
Return of Capital or Other Capital Source(s)	$	0.0000		0.0	%	$	0.0000		0.0	%
Total per common share	$	0.1095		100.0	%	$	0.1095		100.0	%

¹  The Fund’s fiscal year is October 1, 2022 to September 30, 2023

IMPORTANT DISCLOSURE: You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s Plan. The Fund estimates that it has distributed more than its income and net realized capital gains; therefore, a portion of your distribution may be a return of capital. A return of capital may occur for example, when some or all of the money that you invested in the Fund is paid back to you. A return of capital distribution does not necessarily reflect the Fund’s investment performance and should not be confused with ‘yield’ or ‘income.’ The amounts and sources of distributions reported in this Notice are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for accounting and/or tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Set forth in the table below is information relating to the Fund’s performance based on its net asset value (NAV) for certain periods.    

Average annual total return at NAV for the 5-year period ended on September 30, 20221	7.27	%
Annualized current distribution rate expressed as a percentage of NAV as of September 30, 20222	9.15	%
Cumulative total return at NAV for the fiscal year through September 30, 20223	-14.72	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of September 30, 20224	9.15	%

¹  Average annual total return at NAV represents the change in NAV of the Fund, with all distributions reinvested, for the 5-year period ended on September 30, 2022.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of September 30, 2022.

³  Cumulative total return at NAV is the percentage change in the Fund’s NAV for the period from the beginning of its fiscal year to September 30, 2022 including distributions paid and assuming reinvestment of those distributions.

⁴  Cumulative fiscal year distribution rate for the period from the beginning of its fiscal year to September 30, 2022 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of September 30, 2022.

If you have any questions regarding this information, please contact your investment advisor or an Eaton Vance Investor Services associate at 1-866-328-6681. Our associates are available to assist you Monday-Friday 8:30 a.m. to 5:30 p.m., Eastern Time.

NOTE: This correspondence is for informational purposes only and should not be relied upon to project the tax character of actual Fund distributions for the 2022 calendar year.

NO ACTION IS REQUIRED ON YOUR PART.

Eaton Vance Enhanced Equity Income Fund

October 31, 2022

Dear Eaton Vance Fund Shareholder:

This notice provides shareholders of the Eaton Vance Enhanced Equity Income Fund (NYSE: EOI) with important information concerning the distribution declared in November 2022. You are receiving this notice as a requirement of the Fund’s managed distribution plan (Plan). The Board of Trustees approved the implementation of the Plan to make monthly cash distributions to common shareholders, stated in terms of a fixed amount per common share. This information is sent to you for informational purposes only and is an estimate of the sources of the November distribution. It is not determinative of the tax character of the Fund’s distributions for the 2022 calendar year.

The amounts and sources of distributions reported in this notice are estimates, are not being provided for tax reporting purposes and the distribution may later be determined to be from other sources including realized short-term gains, long-term gains, to the extent permitted by law, and return of capital. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Distribution Period: November 2022

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s November distribution and its cumulative distributions paid this fiscal year to date. Amounts are expressed on a per common share basis and as a percentage of the distribution amount.

Eaton Vance Enhanced Equity Income Fund
Source	Current Distribution		% of Current Distribution			Cumulative Distributions for the Fiscal Year-to-Date1		% of the Cumulative Distributions for the  Fiscal Year-to-Date1
Net Investment Income	$	0.0045		4.1	%	$	0.0115		5.3	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0000		0.0	%	$	0.0389		17.7	%
Return of Capital or Other Capital Source(s)	$	0.1050		95.9	%	$	0.1686		77.0	%
Total per common share	$	0.1095		100.0	%	$	0.2190		100.0	%

¹  The Fund’s fiscal year is October 1, 2022 to September 30, 2023

IMPORTANT DISCLOSURE: You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s Plan. The Fund estimates that it has distributed more than its income and net realized capital gains; therefore, a portion of your distribution may be a return of capital. A return of capital may occur for example, when some or all of the money that you invested in the Fund is paid back to you. A return of capital distribution does not necessarily reflect the Fund’s investment performance and should not be confused with ‘yield’ or ‘income.’ The amounts and sources of distributions reported in this Notice are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for accounting and/or tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Set forth in the table below is information relating to the Fund’s performance based on its net asset value (NAV) for certain periods.    

Average annual total return at NAV for the 5-year period ended on October 31, 20221	8.59	%
Annualized current distribution rate expressed as a percentage of NAV as of October 31, 20222	8.56	%
Cumulative total return at NAV for the fiscal year through October 31, 20223	7.65	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of October 31, 20224	9.27	%

¹  Average annual total return at NAV represents the change in NAV of the Fund, with all distributions reinvested, for the 5-year period ended on October 31, 2022.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of October 31, 2022.

³  Cumulative total return at NAV is the percentage change in the Fund’s NAV for the period from the beginning of its fiscal year to October 31, 2022 including distributions paid and assuming reinvestment of those distributions.

⁴  Cumulative fiscal year distribution rate for the period from the beginning of its fiscal year to October 31, 2022 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of October 31, 2022.

If you have any questions regarding this information, please contact your investment advisor or an Eaton Vance Investor Services associate at 1-866-328-6681. Our associates are available to assist you Monday-Friday 8:30 a.m. to 5:30 p.m., Eastern Time.

NOTE: This correspondence is for informational purposes only and should not be relied upon to project the tax character of actual Fund distributions for the 2022 calendar year.

NO ACTION IS REQUIRED ON YOUR PART.

Eaton Vance Enhanced Equity Income Fund

November 30, 2022

Dear Eaton Vance Fund Shareholder:

This notice provides shareholders of the Eaton Vance Enhanced Equity Income Fund (NYSE: EOI) with important information concerning the distribution declared in December 2022. You are receiving this notice as a requirement of the Fund’s managed distribution plan (Plan). The Board of Trustees approved the implementation of the Plan to make monthly cash distributions to common shareholders, stated in terms of a fixed amount per common share. This information is sent to you for informational purposes only and is an estimate of the sources of the December distribution. It is not determinative of the tax character of the Fund’s distributions for the 2022 calendar year.

The amounts and sources of distributions reported in this notice are estimates, are not being provided for tax reporting purposes and the distribution may later be determined to be from other sources including realized short-term gains, long-term gains, to the extent permitted by law, and return of capital. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Distribution Period: December 2022

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s December distribution and its cumulative distributions paid this fiscal year to date. Amounts are expressed on a per common share basis and as a percentage of the distribution amount.

Eaton Vance Enhanced Equity Income Fund
Source	Current Distribution		% of Current Distribution			Cumulative Distributions for the Fiscal Year-to-Date1		% of the Cumulative Distributions for the  Fiscal Year-to-Date1
Net Investment Income	$	0.0046		4.2	%	$	0.0161		4.9	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0613		55.9	%	$	0.1003		30.5	%
Return of Capital or Other Capital Source(s)	$	0.0436		39.9	%	$	0.2121		64.6	%
Total per common share	$	0.1095		100.0	%	$	0.3285		100.0	%

¹  The Fund’s fiscal year is October 1, 2022 to September 30, 2023

IMPORTANT DISCLOSURE: You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s Plan. The Fund estimates that it has distributed more than its income and net realized capital gains; therefore, a portion of your distribution may be a return of capital. A return of capital may occur for example, when some or all of the money that you invested in the Fund is paid back to you. A return of capital distribution does not necessarily reflect the Fund’s investment performance and should not be confused with ‘yield’ or ‘income.’ The amounts and sources of distributions reported in this Notice are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for accounting and/or tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Set forth in the table below is information relating to the Fund’s performance based on its net asset value (NAV) for certain periods.    

Average annual total return at NAV for the 5-year period ended on November 30, 20221	8.78	%
Annualized current distribution rate expressed as a percentage of NAV as of November 30, 20222	8.28	%
Cumulative total return at NAV for the fiscal year through November 30, 20223	12.06	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of November 30, 20224	9.66	%

¹  Average annual total return at NAV represents the change in NAV of the Fund, with all distributions reinvested, for the 5-year period ended on November 30, 2022.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of November 30, 2022.

³  Cumulative total return at NAV is the percentage change in the Fund’s NAV for the period from the beginning of its fiscal year to November 30, 2022 including distributions paid and assuming reinvestment of those distributions.

⁴  Cumulative fiscal year distribution rate for the period from the beginning of its fiscal year to November 30, 2022 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of November 30, 2022.

If you have any questions regarding this information, please contact your investment advisor or an Eaton Vance Investor Services associate at 1-866-328-6681. Our associates are available to assist you Monday-Friday 8:30 a.m. to 5:30 p.m., Eastern Time.

NOTE: This correspondence is for informational purposes only and should not be relied upon to project the tax character of actual Fund distributions for the 2022 calendar year.

NO ACTION IS REQUIRED ON YOUR PART.

Eaton Vance Enhanced Equity Income Fund

December 30, 2022

Dear Eaton Vance Fund Shareholder:

This notice provides shareholders of the Eaton Vance Enhanced Equity Income Fund (NYSE: EOI) with important information concerning the distribution declared in January 2023. You are receiving this notice as a requirement of the Fund’s managed distribution plan (Plan). The Board of Trustees approved the implementation of the Plan to make monthly cash distributions to common shareholders, stated in terms of a fixed amount per common share. This information is sent to you for informational purposes only and is an estimate of the sources of the January distribution. It is not determinative of the tax character of the Fund’s distributions for the 2023 calendar year.

The amounts and sources of distributions reported in this notice are estimates, are not being provided for tax reporting purposes and the distribution may later be determined to be from other sources including realized short-term gains, long-term gains, to the extent permitted by law, and return of capital. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Distribution Period: January 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s January distribution and its cumulative distributions paid this fiscal year to date. Amounts are expressed on a per common share basis and as a percentage of the distribution amount.

Eaton Vance Enhanced Equity Income Fund
Source	Current Distribution		% of Current Distribution			Cumulative Distributions for the Fiscal Year-to-Date1		% of the Cumulative Distributions for the  Fiscal Year-to-Date1
Net Investment Income	$	0.0045		4.1	%	$	0.0207		4.7	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0567		51.8	%	$	0.1569		35.8	%
Return of Capital or Other Capital Source(s)	$	0.0483		44.1	%	$	0.2604		59.5	%
Total per common share	$	0.1095		100.0	%	$	0.4380		100.0	%

¹  The Fund’s fiscal year is October 1, 2022 to September 30, 2023

IMPORTANT DISCLOSURE: You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s Plan. The Fund estimates that it has distributed more than its income and net realized capital gains; therefore, a portion of your distribution may be a return of capital. A return of capital may occur for example, when some or all of the money that you invested in the Fund is paid back to you. A return of capital distribution does not necessarily reflect the Fund’s investment performance and should not be confused with ‘yield’ or ‘income.’ The amounts and sources of distributions reported in this Notice are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for accounting and/or tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Set forth in the table below is information relating to the Fund’s performance based on its net asset value (NAV) for certain periods.    

Average annual total return at NAV for the 5-year period ended on December 31, 20221	7.31	%
Annualized current distribution rate expressed as a percentage of NAV as of December 31, 20222	8.78	%
Cumulative total return at NAV for the fiscal year through December 31, 20223	6.41	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of December 31, 20224	2.20	%

¹  Average annual total return at NAV represents the change in NAV of the Fund, with all distributions reinvested, for the 5-year period ended on December 31, 2022.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of December 31, 2022.

³  Cumulative total return at NAV is the percentage change in the Fund’s NAV for the period from the beginning of its fiscal year to December 31, 2022 including distributions paid and assuming reinvestment of those distributions.

⁴  Cumulative fiscal year distribution rate for the period from the beginning of its fiscal year to December 31, 2022 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of December 31, 2022.

If you have any questions regarding this information, please contact your investment advisor or an Eaton Vance Investor Services associate at 1-866-328-6681. Our associates are available to assist you Monday-Friday 8:30 a.m. to 5:30 p.m., Eastern Time.

NOTE: This correspondence is for informational purposes only and should not be relied upon to project the tax character of actual Fund distributions for the 2023 calendar year.

NO ACTION IS REQUIRED ON YOUR PART.

Eaton Vance Enhanced Equity Income Fund

January 31, 2023

Dear Eaton Vance Fund Shareholder:

This notice provides shareholders of the Eaton Vance Enhanced Equity Income Fund (NYSE: EOI) with important information concerning the distribution declared in February 2023. You are receiving this notice as a requirement of the Fund’s managed distribution plan (Plan). The Board of Trustees approved the implementation of the Plan to make monthly cash distributions to common shareholders, stated in terms of a fixed amount per common share. This information is sent to you for informational purposes only and is an estimate of the sources of the February distribution. It is not determinative of the tax character of the Fund’s distributions for the 2023 calendar year.

The amounts and sources of distributions reported in this notice are estimates, are not being provided for tax reporting purposes and the distribution may later be determined to be from other sources including realized short-term gains, long-term gains, to the extent permitted by law, and return of capital. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Distribution Period: February 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s February distribution and its cumulative distributions paid this fiscal year to date. Amounts are expressed on a per common share basis and as a percentage of the distribution amount.

Eaton Vance Enhanced Equity Income Fund
Source	Current Distribution		% of Current Distribution			Cumulative Distributions for the Fiscal Year-to-Date1		% of the Cumulative Distributions for the  Fiscal Year-to-Date1
Net Investment Income	$	0.0041		3.8	%	$	0.0248		4.5	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0000		0.0	%	$	0.1443		26.4	%
Return of Capital or Other Capital Source(s)	$	0.1054		96.2	%	$	0.3784		69.1	%
Total per common share	$	0.1095		100.0	%	$	0.5475		100.0	%

¹  The Fund’s fiscal year is October 1, 2022 to September 30, 2023

IMPORTANT DISCLOSURE: You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s Plan. The Fund estimates that it has distributed more than its income and net realized capital gains; therefore, a portion of your distribution may be a return of capital. A return of capital may occur for example, when some or all of the money that you invested in the Fund is paid back to you. A return of capital distribution does not necessarily reflect the Fund’s investment performance and should not be confused with ‘yield’ or ‘income.’ The amounts and sources of distributions reported in this Notice are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for accounting and/or tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Set forth in the table below is information relating to the Fund’s performance based on its net asset value (NAV) for certain periods.    

Average annual total return at NAV for the 5-year period ended on January 31, 20231	7.44	%
Annualized current distribution rate expressed as a percentage of NAV as of January 31, 20232	8.44	%
Cumulative total return at NAV for the fiscal year through January 31, 20233	11.53	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of January 31, 20234	2.81	%

¹  Average annual total return at NAV represents the change in NAV of the Fund, with all distributions reinvested, for the 5-year period ended on January 31, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of January 31, 2023.

³  Cumulative total return at NAV is the percentage change in the Fund’s NAV for the period from the beginning of its fiscal year to January 31, 2023 including distributions paid and assuming reinvestment of those distributions.

⁴  Cumulative fiscal year distribution rate for the period from the beginning of its fiscal year to January 31, 2023 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of January 31, 2023.

If you have any questions regarding this information, please contact your investment advisor or an Eaton Vance Investor Services associate at 1-866-328-6681. Our associates are available to assist you Monday-Friday 8:30 a.m. to 5:30 p.m., Eastern Time.

NOTE: This correspondence is for informational purposes only and should not be relied upon to project the tax character of actual Fund distributions for the 2023 calendar year.

NO ACTION IS REQUIRED ON YOUR PART.

Eaton Vance Enhanced Equity Income Fund

February 28, 2023

Dear Eaton Vance Fund Shareholder:

This notice provides shareholders of the Eaton Vance Enhanced Equity Income Fund (NYSE: EOI) with important information concerning the distribution declared in March 2023. You are receiving this notice as a requirement of the Fund’s managed distribution plan (Plan). The Board of Trustees approved the implementation of the Plan to make monthly cash distributions to common shareholders, stated in terms of a fixed amount per common share. This information is sent to you for informational purposes only and is an estimate of the sources of the March distribution. It is not determinative of the tax character of the Fund’s distributions for the 2023 calendar year.

The amounts and sources of distributions reported in this notice are estimates, are not being provided for tax reporting purposes and the distribution may later be determined to be from other sources including realized short-term gains, long-term gains, to the extent permitted by law, and return of capital. The actual amounts and sources for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Distribution Period: March 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s March distribution and its cumulative distributions paid this fiscal year to date. Amounts are expressed on a per common share basis and as a percentage of the distribution amount.

Eaton Vance Enhanced Equity Income Fund
Source	Current Distribution		% of Current Distribution			Cumulative Distributions for the Fiscal Year-to-Date1		% of the Cumulative Distributions for the  Fiscal Year-to-Date1
Net Investment Income	$	0.0049		4.5	%	$	0.0297		4.5	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.1046		95.5	%	$	0.3540		53.9	%
Return of Capital or Other Capital Source(s)	$	0.0000		0.0	%	$	0.2733		41.6	%
Total per common share	$	0.1095		100.0	%	$	0.6570		100.0	%

¹  The Fund’s fiscal year is October 1, 2022 to September 30, 2023

IMPORTANT DISCLOSURE: You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s Plan. The Fund estimates that it has distributed more than its income and net realized capital gains; therefore, a portion of your distribution may be a return of capital. A return of capital may occur for example, when some or all of the money that you invested in the Fund is paid back to you. A return of capital distribution does not necessarily reflect the Fund’s investment performance and should not be confused with ‘yield’ or ‘income.’ The amounts and sources of distributions reported in this Notice are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for accounting and/or tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Set forth in the table below is information relating to the Fund’s performance based on its net asset value (NAV) for certain periods.    

Average annual total return at NAV for the 5-year period ended on February 28, 20231	7.65	%
Annualized current distribution rate expressed as a percentage of NAV as of February 28, 20232	8.66	%
Cumulative total return at NAV for the fiscal year through February 28, 20233	9.52	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of February 28, 20234	3.61	%

¹  Average annual total return at NAV represents the change in NAV of the Fund, with all distributions reinvested, for the 5-year period ended on February 28, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of February 28, 2023.

³  Cumulative total return at NAV is the percentage change in the Fund’s NAV for the period from the beginning of its fiscal year to February 28, 2023 including distributions paid and assuming reinvestment of those distributions.

⁴  Cumulative fiscal year distribution rate for the period from the beginning of its fiscal year to February 28, 2023 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of February 28, 2023.

If you have any questions regarding this information, please contact your investment advisor or an Eaton Vance Investor Services associate at 1-866-328-6681. Our associates are available to assist you Monday-Friday 8:30 a.m. to 5:30 p.m., Eastern Time.

NOTE: This correspondence is for informational purposes only and should not be relied upon to project the tax character of actual Fund distributions for the 2023 calendar year.

NO ACTION IS REQUIRED ON YOUR PART.

Eaton Vance Enhanced Equity Income Fund

March 31, 2023