Exhibit 99.1

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Contact: Robert Lentz

              (614) 439-6006

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SCI Engineered Materials, Inc. Reports

2025 First Quarter Results

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COLUMBUS, Ohio (May 2, 2025) SCI Engineered Materials, Inc. (“SCI” or “Company”) (SCIA: OTCQB), today reported financial results for the three months ended March 31, 2025.

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Jeremy Young, President and Chief Executive Officer, commented “We continued to adapt to fast-changing market conditions throughout the first three months of 2025. Our initiatives included actively managing costs and operating expenses, maintaining greater contact with client companies, adding new customers, and pursuing opportunities to increase the Company’s revenue.

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There were positive developments during the first quarter of 2025 that should benefit SCI’s future performance. Our ongoing commitment to leveraging R&D activities led to the introduction of an indium tin oxide product, which is innovative and desired by current and potential customers seeking an alternative to current materials. Additionally, interest in the Company’s capabilities to domestically manufacture products and/or provide specialized bonding services is growing and has accelerated following the announcement of global tariffs last month.”

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Revenue

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Revenue for the three months ended March 31, 2025, was $3,500,232 compared to $8,403,095 last year. Product mix, lower raw material costs and lower volume contributed to the year-over-year decline. Order backlog was $2.5 million at March 31, 2025, and December 31, 2024, respectively.

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Gross profit

Gross profit was $1,072,814 for the first quarter of 2025 versus $1,415,116 for the same period last year, a decrease of 24%. Lower raw material costs and lower volume were key factors in the year-over-year decrease.

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Operating expenses

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The Company’s operating expenses decreased 3% to $770,275 for the first three months of 2025 from $796,848 for the same period a year ago. Lower research and development expense and a slight decrease in marketing and sales expense more than offset higher general and administrative (G&A) expense. Higher G&A expense for this year’s first quarter was due to the recent addition of staff, higher professional fees, Information Technology consulting services and higher rent compared to the same period last year.

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Net interest income

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Net interest income increased 13% to $98,130 for the first quarter of 2025 from $87,056 for the same period a year ago due to higher cash and equivalents and investments in marketable securities compared to the first quarter of 2024.

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Income taxes

Income tax expense decreased 43% to $90,952 for the three months ended March 31, 2025, from $160,000 a year ago. The Company’s effective tax rate was 22.7% for the first quarter of 2025 and 2024, respectively.

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Net income

Net income was $309,717 for the first three months of 2025 versus $545,324 for the same period last year. Slightly lower operating expenses for the three months ended March 31, 2025, partially offset the decrease in gross profit compared to the same period last year. Net income per diluted share was $0.07 for the first three months of 2025 compared to $0.12 last year.

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Cash and cash equivalents

Cash and cash equivalents were $7,353,420 at March 31, 2025, compared to $6,753,403 at December 31, 2024, an increase of 9%. The Company’s investments in marketable securities totaled $3,008,478 at the end of the first quarter of 2025 versus $2,758,478 at December 31, 2024, an increase of 9%.

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Debt outstanding

Total debt outstanding was $0 at March 31, 2025, and December 31, 2024, respectively.

About SCI Engineered Materials, Inc.

SCI Engineered Materials is a global supplier and manufacturer of advanced materials for PVD thin film applications and works closely with end users and OEMs to develop innovative, customized solutions. Additional information is available at www.sciengineeredmaterials.com or follow SCI Engineered Materials, Inc. at:

https://www.linkedin.com/company/sci-engineered-materials.-inc https://www.facebook.com/sciengineeredmaterials/

https://x.com/SciMaterials

This press release contains certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are intended to be covered by the safe harbors created thereby. Those statements include, but are not limited to, all statements regarding intent, beliefs, expectations, projections, customer guidance, forecasts, plans of the Company and its management. These forward-looking statements involve numerous risks and uncertainties, including without limitation, other risks and uncertainties detailed from time to time in the Company's Securities and Exchange Commission filings, including the Company's Annual Report on Form 10-K for the year ended December 31, 2024. One or more of these factors has affected and could affect the Company's projections in the future. Therefore, there can be no assurances that the forward-looking statements included in this press release will prove to be accurate. Due to the significant uncertainties in the forward-looking statements included herein, the inclusion of such information should not be regarded as a representation by the Company, or any other persons, that the objectives and plans of the Company will be achieved. All forward-looking statements made in this press release are based on information presently available to the management of the Company. The Company assumes no obligation to update any forward-looking statements.

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SCI ENGINEERED MATERIALS, INC.

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BALANCE SHEETS

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SCI ENGINEERED MATERIALS, INC.

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STATEMENTS OF INCOME

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FOR THE THREE MONTHS ENDED MARCH 31, 2025 AND 2024

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(UNAUDITED)

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SCI ENGINEERED MATERIALS, INC.

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CONDENSED STATEMENTS OF CASH FLOWS

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FOR THE THREE MONTHS ENDED MARCH 31, 2025 AND 2024

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(UNAUDITED)

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