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 April 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 April 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: April 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s April 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	%	$	0.0343		4.5	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.1049		95.8	%	$	0.5139		67.0	%
Return of Capital or Other Capital Source(s)	$	0.0000		0.0	%	$	0.2183		28.5	%
Total per common share	$	0.1095		100.0	%	$	0.7665		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 March 31, 20231	8.70	%
Annualized current distribution rate expressed as a percentage of NAV as of March 31, 20232	8.43	%
Cumulative total return at NAV for the fiscal year through March 31, 20233	13.21	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of March 31, 20234	4.22	%

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 March 31, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of March 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 March 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 March 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 March 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

April 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 May 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 May 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: May 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s May 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	$	0.0042		3.9	%	$	0.0385		4.4	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.1053		96.1	%	$	0.6325		72.2	%
Return of Capital or Other Capital Source(s)	$	0.0000		0.0	%	$	0.2050		23.4	%
Total per common share	$	0.1095		100.0	%	$	0.8760		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 April 30, 20231	9.04	%
Annualized current distribution rate expressed as a percentage of NAV as of April 30, 20232	8.29	%
Cumulative total return at NAV for the fiscal year through April 30, 20233	15.98	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of April 30, 20234	4.84	%

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 April 30, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of April 30, 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 April 30, 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 April 30, 2023 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of April 30, 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

May 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 June 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 June 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: June 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s June 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	%	$	0.0434		4.4	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0000		0.0	%	$	0.6317		64.1	%
Return of Capital or Other Capital Source(s)	$	0.1050		95.9	%	$	0.3104		31.5	%
Total per common share	$	0.1095		100.0	%	$	0.9855		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 May 31, 20231	8.69	%
Annualized current distribution rate expressed as a percentage of NAV as of May 31, 20232	8.35	%
Cumulative total return at NAV for the fiscal year through May 31, 20233	15.98	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of May 31, 20234	5.57	%

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 May 31, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of May 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 May 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 May 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 May 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

June 30, 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 July 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 July 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: July 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s July 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	$	0.0029		2.7	%	$	0.0460		4.2	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0000		0.0	%	$	0.6318		57.7	%
Return of Capital or Other Capital Source(s)	$	0.1066		97.3	%	$	0.4172		38.1	%
Total per common share	$	0.1095		100.0	%	$	1.0950		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 June 30, 20231	9.89	%
Annualized current distribution rate expressed as a percentage of NAV as of June 30, 20232	7.93	%
Cumulative total return at NAV for the fiscal year through June 30, 20233	22.83	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of June 30, 20234	5.95	%

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 June 30, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of June 30, 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 June 30, 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 June 30, 2023 measured on the dollar value of distributions in the year-to-date period as a percentage of the Fund’s NAV as of June 30, 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

July 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 August 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 August 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: August 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s August 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	$	0.0033		3.0	%	$	0.0494		4.1	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.1062		97.0	%	$	0.7745		64.3	%
Return of Capital or Other Capital Source(s)	$	0.0000		0.0	%	$	0.3806		31.6	%
Total per common share	$	0.1095		100.0	%	$	1.2045		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 July 31, 20231	9.46	%
Annualized current distribution rate expressed as a percentage of NAV as of July 31, 20232	7.78	%
Cumulative total return at NAV for the fiscal year through July 31, 20233	26.02	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of July 31, 20234	6.49	%

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 July 31, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of July 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 July 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 July 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 July 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

August 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 September 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 September 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: September 2023

Distribution Amount per Common Share: $0.1095

The following table sets forth an estimate of the sources of the Fund’s September 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	$	0.0037		3.4	%	$	0.0530		4.0	%
Net Realized Short-Term Capital Gains	$	0.0000		0.0	%	$	0.0000		0.0	%
Net Realized Long-Term Capital Gains	$	0.0449		41.0	%	$	0.8195		62.4	%
Return of Capital or Other Capital Source(s)	$	0.0609		55.6	%	$	0.4415		33.6	%
Total per common share	$	0.1095		100.0	%	$	1.3140		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 August 31, 20231	8.82	%
Annualized current distribution rate expressed as a percentage of NAV as of August 31, 20232	7.89	%
Cumulative total return at NAV for the fiscal year through August 31, 20233	25.20	%
Cumulative fiscal year to date distribution rate as a percentage of NAV as of August 31, 20234	7.23	%

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 August 31, 2023.

²  The annualized current distribution rate is the cumulative distribution rate annualized as a percentage of the Fund’s NAV as of August 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 August 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 August 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 August 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

September 29, 2023