# EDGAR Filing Document

**Accession Number:** 0000027430
**File Stem:** 9999999995-25-003718
**Filing Date:** 2025-12
**Character Count:** 1281
**Document Hash:** 8d0b99c0432a2c81096993af1f3c7576
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003718.hdr.sgml**: 20251215

**ACCESSION NUMBER**: 9999999995-25-003718

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251212

**DATE AS OF CHANGE**: 20251215

**EFFECTIVENESS DATE**: 20251212

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DAYTON POWER & LIGHT CO
- **CENTRAL INDEX KEY:** 0000027430
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 310258470
- **STATE OF INCORPORATION:** OH
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-291976
- **FILM NUMBER:** 251569860

**BUSINESS ADDRESS:**
- **STREET 1:** 1065 WOODMAN DRIVE
- **CITY:** DAYTON
- **STATE:** OH
- **ZIP:** 45432
- **BUSINESS PHONE:** 937-259-7215

**MAIL ADDRESS:**
- **STREET 1:** 1065 WOODMAN DRIVE
- **CITY:** DAYTON
- **STATE:** OH
- **ZIP:** 45432

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** December 12, 2025

**Time:** 16:00:00

**Form Type:** S-4

---

**CIK:** 0000027430

**Company Name:** DAYTON POWER & LIGHT CO

**File Number:** 333-291976