Certification Pursuant to Rule 30a-2(b) under the 1940 Act and Section 906 of the Sarbanes-Oxley Act

I, Keith G. Huckerby, President of Penn Series Funds, Inc. (the “Registrant”), certify that:

 

  1.

The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

 

  2.

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

 

Date: September 8, 2026     /s/ Keith G. Huckerby      
      Keith G. Huckerby, President
      (principal executive officer)

I, Steven Viola, Treasurer of Penn Series Funds, Inc. (the “Registrant”), certify that:

 

  1.

The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

 

  2.

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

 

Date: September 8, 2026     /s/ Steven Viola      
      Steven Viola, Treasurer
      (principal financial officer)