BALTIMORE, July 16, 2026 - Adams Natural Resources Fund, Inc. (NYSE: PEO) today announced the Fund’s investment returns for the first half of 2026. The total return on the Fund’s net asset value for the first half of 2026 was 18.4%, with dividends and capital gains reinvested. The comparable figures for the S&P 500 Energy Sector and the S&P 500 Materials Sector were 19.7% and 12.0%, respectively. Our benchmark, which is comprised of the S&P 500 Energy Sector (80%) and the S&P 500 Materials Sector (20%), returned 18.1%. The total return on the Fund’s market price for the same period was 18.2%.
The Semi-Annual Report to Shareholders is expected to be released on or about July 22, 2026.
ANNUALIZED COMPARATIVE RETURNS (6/30/2026)
| 1 Year | 3 Year | 5 Year | 10 Year | |
| Adams Natural Resources Fund (NAV) | 26.5% | 13.0% | 17.0% | 9.4% |
| Adams Natural Resources Fund (market price) | 25.9% | 15.7% | 17.7% | 9.6% |
| S&P 500 Energy Sector | 29.0% | 12.8% | 19.0% | 8.7% |
| S&P 500 Materials Sector | 16.7% | 8.9% | 6.3% | 10.4% |
NET ASSET VALUE ANNOUNCED
The Fund’s net asset value at June 30, 2026, compared with the year earlier, was:
| 6/30/2026 | 6/30/2025 | |
| Net assets | $769,147,614 | $634,743,865 |
| Shares outstanding | 28,034,839 | 26,888,697 |
| Net asset value per share | $27.44 | $23.61 |
TEN LARGEST EQUITY PORTFOLIO HOLDINGS (6/30/2026)
| % of Net Assets | |
| Exxon Mobil Corporation | 23.9% |
| Chevron Corporation | 12.6% |
| ConocoPhillips | 6.0% |
| Williams Companies, Inc. | 4.1% |
| Valero Energy Corporation | 3.8% |
| Linde plc | 3.6% |
| SLB Ltd. | 3.3% |
| Targa Resources Corp. | 3.2% |
| Phillips 66 | 3.1% |
| Marathon Petroleum Corporation | 2.7% |
| Total | 66.3% |
INDUSTRY WEIGHTINGS (6/30/2026)
| % of Net Assets | |
| Energy | |
| Integrated Oil & Gas | 38.5% |
| Exploration & Production | 14.8% |
| Storage & Transportation | 10.7% |
| Refining & Marketing | 9.6% |
| Equipment & Services | 6.9% |
| Materials | |
| Chemicals | 10.2% |
| Metals & Mining | 5.2% |
| Construction Materials | 2.2% |
| Containers & Packaging | 1.1% |
About Adams Funds
Since 1929, Adams Funds has consistently helped generations of investors reach their investment goals. Adams Funds is comprised of two closed-end funds, Adams Diversified Equity Fund, Inc. (NYSE: ADX) and Adams Natural Resources Fund, Inc. (NYSE: PEO). The Funds are actively managed by an experienced team with a disciplined approach and have paid dividends for more than 90 years across many market cycles. The Funds are committed to paying a minimum annual distribution rate of 8% of NAV paid evenly each quarter throughout the year, providing reliability for long-term shareholders. A portion of any distribution may be treated as paid from sources other than net income, including but not limited to short-term capital gain, long-term capital gain, and return of capital. The final determination of the source of all distributions for tax reporting purposes in a calendar year, including the percentage of qualified dividend income, will be made after year-end. Shares can be purchased through our transfer agent or through a broker. For more information about Adams Funds, please visit: adamsfunds.com.
For further information please contact: adamsfunds.com/about/contact │800.638.2479