EX-99.(C) 6 d79889dex99c.htm REGISTRANTS NOTICES

Registrants Notices

Duff & Phelps Utility and Infrastructure Fund Inc.

Section 19(a) Notice

CHICAGO, June 10, 2025 – Duff & Phelps Utility and Infrastructure Fund Inc. (NYSE: DPG) declared a distribution of $0.07 per share to shareholders of record at the close of business on May 30, 2025 (ex-date May 30, 2025).

The following table sets forth the estimated amounts of the Fund’s May 2025 monthly distribution and its sources, payable June 10, 2025, together with the cumulative distributions paid from the first day of the Fund’s fiscal year. All amounts are expressed per share of common stock based on U.S. generally accepted accounting principles which may differ from federal income tax regulations.

Distribution Estimates		May 2025 (MTD)								Fiscal Year-to-Date (YTD)(1)
(Sources)		Per Share Amount				Percentage of Current Distribution				Per Share Amount				Percentage of Current Distribution
Net Investment Income		$	0.070				100.0%			$	0.107				21.8%
Net Realized Short-Term Capital Gains			0.000				0.0%				0.146				29.7%
Net Realized Long-Term Capital Gains			0.000				0.0%				0.237				48.5%
Return of Capital (or other Capital Source)			0.000				0.0%				0.000				0.0%
Total Distribution per common share		$	0.070				100.0%			$	0.490				100.0%

⁽¹⁾ Fiscal year started November 1, 2024.

As of April 30, 2025
Average annual total return on NAV for the 5 years			13.53%
Annualized current distribution rate as a percentage of NAV			6.23%
Cumulative total return on NAV for the fiscal year			8.88%
Cumulative fiscal year distributions as a percentage of NAV			3.11%

You should not draw any conclusions about the Fund’s investment performance from the amount of these distributions or from the terms of the Fund’s managed distribution plan.

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 tax reporting purposes will depend upon the Fund’s investment experience during the remainder of the fiscal year and may be subject to changes based on tax regulations. The Fund or your broker 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.

Duff & Phelps Utility and Infrastructure Fund Inc.

Section 19(a) Notice

CHICAGO, July 10, 2025 – Duff & Phelps Utility and Infrastructure Fund Inc. (NYSE: DPG) declared a distribution of $0.07 per share to shareholders of record at the close of business on June 30, 2025 (ex-date June 30, 2025).

The following table sets forth the estimated amounts of the Fund’s June 2025 monthly distribution and its sources, payable July 10, 2025, together with the cumulative distributions paid from the first day of the Fund’s fiscal year. All amounts are expressed per share of common stock based on U.S. generally accepted accounting principles which may differ from federal income tax regulations.

Distribution Estimates		June 2025 (MTD)								Fiscal Year-to-Date (YTD)(1)
(Sources)		Per Share Amount				Percentage of Current Distribution				Per Share Amount				Percentage of Current Distribution
Net Investment Income		$	0.070				100.0%			$	0.177				31.6%
Net Realized Short-Term Capital Gains			0.000				0.0%				0.146				26.0%
Net Realized Long-Term Capital Gains			0.000				0.0%				0.237				42.4%
Return of Capital (or other Capital Source)			0.000				0.0%				0.000				0.0%
Total Distribution per common share		$	0.070				100.0%			$	0.560				100.0%

⁽¹⁾ Fiscal year started November 1, 2024.

As of May 30, 2025
Average annual total return on NAV for the 5 years			12.24%
Annualized current distribution rate as a percentage of NAV			6.18%
Cumulative total return on NAV for the fiscal year			10.26%
Cumulative fiscal year distributions as a percentage of NAV			3.61%

You should not draw any conclusions about the Fund’s investment performance from the amount of these distributions or from the terms of the Fund’s managed distribution plan.

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 tax reporting purposes will depend upon the Fund’s investment experience during the remainder of the fiscal year and may be subject to changes based on tax regulations. The Fund or your broker 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.

Duff & Phelps Utility and Infrastructure Fund Inc.

Section 19(a) Notice

CHICAGO, August 11, 2025 – Duff & Phelps Utility and Infrastructure Fund Inc. (NYSE: DPG) declared a distribution of $0.07 per share to shareholders of record at the close of business on July 31, 2025 (ex-date July 31, 2025).

The following table sets forth the estimated amounts of the Fund’s July 2025 monthly distribution and its sources, payable August 11, 2025, together with the cumulative distributions paid from the first day of the Fund’s fiscal year. All amounts are expressed per share of common stock based on U.S. generally accepted accounting principles which may differ from federal income tax regulations.

Distribution Estimates		July 2025 (MTD)								Fiscal Year-to-Date (YTD)(1)
(Sources)		Per Share Amount				Percentage of Current Distribution				Per Share Amount				Percentage of Current Distribution
Net Investment Income		$	0.070				100.0%			$	0.247				39.2%
Net Realized Short-Term Capital Gains			0.000				0.0%				0.146				23.1%
Net Realized Long-Term Capital Gains			0.000				0.0%				0.237				37.7%
Return of Capital (or other Capital Source)			0.000				0.0%				0.000				0.0%
Total Distribution per common share		$	0.070				100.0%			$	0.630				100.0%

⁽¹⁾ Fiscal year started November 1, 2024.

As of June 30, 2025
Average annual total return on NAV for the 5 years			12.90%
Annualized current distribution rate as a percentage of NAV			6.17%
Cumulative total return on NAV for the fiscal year			11.07%
Cumulative fiscal year distributions as a percentage of NAV			4.11%

You should not draw any conclusions about the Fund’s investment performance from the amount of these distributions or from the terms of the Fund’s managed distribution plan.

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 tax reporting purposes will depend upon the Fund’s investment experience during the remainder of the fiscal year and may be subject to changes based on tax regulations. The Fund or your broker 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.

Duff & Phelps Utility and Infrastructure Fund Inc.

Section 19(a) Notice

CHICAGO, September 10, 2025 – Duff & Phelps Utility and Infrastructure Fund Inc. (NYSE: DPG) declared a distribution of $0.07 per share to shareholders of record at the close of business on August 29, 2025 (ex-date August 29, 2025).

The following table sets forth the estimated amounts of the Fund’s August 2025 monthly distribution and its sources, payable September 10, 2025, together with the cumulative distributions paid from the first day of the Fund’s fiscal year. All amounts are expressed per share of common stock based on U.S. generally accepted accounting principles which may differ from federal income tax regulations.

Distribution Estimates		August 2025 (MTD)								Fiscal Year-to-Date (YTD)(1)
(Sources)		Per Share Amount				Percentage of Current Distribution				Per Share Amount				Percentage of Current Distribution
Net Investment Income		$	0.000				0.0%			$	0.247				35.3%
Net Realized Short-Term Capital Gains			0.000				0.0%				0.146				20.8%
Net Realized Long-Term Capital Gains			0.070				100.0%				0.307				43.9%
Return of Capital (or other Capital Source)			0.000				0.0%				0.000				0.0%
Total Distribution per common share		$	0.070				100.0%			$	0.700				100.0%

⁽¹⁾ Fiscal year started November 1, 2024.

As of July 31, 2025
Average annual total return on NAV for the 5 years			11.50%
Annualized current distribution rate as a percentage of NAV			6.11%
Cumulative total return on NAV for the fiscal year			12.70%
Cumulative fiscal year distributions as a percentage of NAV			4.58%

You should not draw any conclusions about the Fund’s investment performance from the amount of these distributions or from the terms of the Fund’s managed distribution plan.

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 tax reporting purposes will depend upon the Fund’s investment experience during the remainder of the fiscal year and may be subject to changes based on tax regulations. The Fund or your broker 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.

Duff & Phelps Utility and Infrastructure Fund Inc.

Section 19(a) Notice

CHICAGO, October 10, 2025 – Duff & Phelps Utility and Infrastructure Fund Inc. (NYSE: DPG) declared a distribution of $0.07 per share to shareholders of record at the close of business on September 30, 2025 (ex-date September 30, 2025).

The following table sets forth the estimated amounts of the Fund’s September 2025 monthly distribution and its sources, payable October 10, 2025, together with the cumulative distributions paid from the first day of the Fund’s fiscal year. All amounts are expressed per share of common stock based on U.S. generally accepted accounting principles which may differ from federal income tax regulations.

Distribution Estimates		September 2025 (MTD)								Fiscal Year-to-Date (YTD)(1)
(Sources)		Per Share Amount				Percentage of Current Distribution				Per Share Amount				Percentage of Current Distribution
Net Investment Income		$	0.007				10.0%			$	0.242				31.4%
Net Realized Short-Term Capital Gains			0.000				0.0%				0.087				11.3%
Net Realized Long-Term Capital Gains			0.063				90.0%				0.441				57.3%
Return of Capital (or other Capital Source)			0.000				0.0%				0.000				0.0%
Total Distribution per common share		$	0.070				100.0%			$	0.770				100.0%

⁽¹⁾ Fiscal year started November 1, 2024.

As of August 29, 2025
Average annual total return on NAV for the 5 years			11.83%
Annualized current distribution rate as a percentage of NAV			6.07%
Cumulative total return on NAV for the fiscal year			14.01%
Cumulative fiscal year distributions as a percentage of NAV			5.06%

You should not draw any conclusions about the Fund’s investment performance from the amount of these distributions or from the terms of the Fund’s managed distribution plan.

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 tax reporting purposes will depend upon the Fund’s investment experience during the remainder of the fiscal year and may be subject to changes based on tax regulations. The Fund or your broker 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.

Duff & Phelps Utility and Infrastructure Fund Inc.

Section 19(a) Notice

CHICAGO, November 10, 2025 – Duff & Phelps Utility and Infrastructure Fund Inc. (NYSE: DPG) declared a distribution of $0.07 per share to shareholders of record at the close of business on October 31, 2025 (ex-date October 31, 2025).

The following table sets forth the estimated amounts of the Fund’s October 2025 monthly distribution and its sources, payable November 10, 2025, together with the cumulative distributions paid from the first day of the Fund’s fiscal year. All amounts are expressed per share of common stock based on U.S. generally accepted accounting principles which may differ from federal income tax regulations.

Distribution Estimates		October 2025 (MTD)								Fiscal Year-to-Date (YTD)(1)
(Sources)		Per Share Amount				Percentage of Current Distribution				Per Share Amount				Percentage of Current Distribution
Net Investment Income		$	0.000				0.0%			$	0.225				26.8%
Net Realized Short-Term Capital Gains			0.000				0.0%				0.027				3.2%
Net Realized Long-Term Capital Gains			0.070				100.0%				0.588				70.0%
Return of Capital (or other Capital Source)			0.000				0.0%				0.000				0.0%
Total Distribution per common share		$	0.070				100.0%			$	0.840				100.0%

⁽¹⁾ Fiscal year started November 1, 2024.

As of September 30, 2025
Average annual total return on NAV for the 5 years			13.57%
Annualized current distribution rate as a percentage of NAV			5.89%
Cumulative total return on NAV for the fiscal year			17.96%
Cumulative fiscal year distributions as a percentage of NAV			5.40%

You should not draw any conclusions about the Fund’s investment performance from the amount of these distributions or from the terms of the Fund’s managed distribution plan.

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 tax reporting purposes will depend upon the Fund’s investment experience during the remainder of the fiscal year and may be subject to changes based on tax regulations. The Fund or your broker 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.