# EDGAR Filing Document

**Accession Number:** 0000084246
**File Stem:** 0001104659-26-020550
**Filing Date:** 2026-2
**Character Count:** 4323
**Document Hash:** bf2037ed8a761fb140537ec88633cbf4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-020550.hdr.sgml**: 20260226

**ACCESSION NUMBER**: 0001104659-26-020550

**CONFORMED SUBMISSION TYPE**: FWP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260226

**DATE AS OF CHANGE**: 20260226

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RLI CORP
- **CENTRAL INDEX KEY:** 0000084246
- **STANDARD INDUSTRIAL CLASSIFICATION:** FIRE, MARINE & CASUALTY INSURANCE [6331]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 370889946
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** FWP
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 333-293622
- **FILM NUMBER:** 26689482

**BUSINESS ADDRESS:**
- **STREET 1:** 9025 N. LINDBERGH DRIVE
- **CITY:** PEORIA
- **STATE:** IL
- **ZIP:** 61615
- **BUSINESS PHONE:** 3096921000

**MAIL ADDRESS:**
- **STREET 1:** 9025 N. LINDBERGH DRIVE
- **CITY:** PEORIA
- **STATE:** IL
- **ZIP:** 61615
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RLI CORP
- **CENTRAL INDEX KEY:** 0000084246
- **STANDARD INDUSTRIAL CLASSIFICATION:** FIRE, MARINE & CASUALTY INSURANCE [6331]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 370889946
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** FWP

**BUSINESS ADDRESS:**
- **STREET 1:** 9025 N. LINDBERGH DRIVE
- **CITY:** PEORIA
- **STATE:** IL
- **ZIP:** 61615
- **BUSINESS PHONE:** 3096921000

**MAIL ADDRESS:**
- **STREET 1:** 9025 N. LINDBERGH DRIVE
- **CITY:** PEORIA
- **STATE:** IL
- **ZIP:** 61615

**Filed Pursuant to Rule 433**

**Registration Statement No. 333-293622**

**Relating to Preliminary Prospectus Supplement dated February 26, 2026**

**to Prospectus dated February 20, 2026**

**RLI CORP.**

FINAL TERM SHEET

February 26, 2026

$300,000,000 5.375% Senior Notes due 2036

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| | |
|:---|:---|
| &nbsp;&nbsp;Issuer: | &nbsp;&nbsp;RLI Corp. |
| &nbsp;&nbsp;Expected Ratings:\* | &nbsp;&nbsp;Baa2 (Moody's) / BBB (S&P) |
| &nbsp;&nbsp;Principal Amount: | &nbsp;&nbsp;$300000000 |
| &nbsp;&nbsp;Maturity: | &nbsp;&nbsp;June 1, 2036 |
| &nbsp;&nbsp;Coupon (Interest Rate): | &nbsp;&nbsp;5.375% |
| &nbsp;&nbsp;Yield to Maturity: | &nbsp;&nbsp;5.379% |
| &nbsp;&nbsp;Spread to Benchmark Treasury: | &nbsp;&nbsp;135 basis points |
| &nbsp;&nbsp;Benchmark Treasury: | &nbsp;&nbsp;4.125% due February 15, 2036 |
| &nbsp;&nbsp;Benchmark Treasury Price and Yield: | &nbsp;&nbsp;100-25 / 4.029% |
| &nbsp;&nbsp;Interest Payment Dates: | &nbsp;&nbsp;Semi-annually on June 1 and December 1 of each year, commencing on June 1, 2026 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Redemption Provisions:<br>Make-Whole Call:<br>Par Call: | &nbsp;&nbsp;<br>Prior to March 1, 2036, plus 25 basis points<br>On or after March 1, 2036, at par |
| &nbsp;&nbsp;Price to Public: | &nbsp;&nbsp;99.978% |
| &nbsp;&nbsp;Trade Date: | &nbsp;&nbsp;February 26, 2026 |
| &nbsp;&nbsp;Settlement Date: | &nbsp;&nbsp;March 3, 2026 (T+3) |
| &nbsp;&nbsp;Denominations: | &nbsp;&nbsp;$2,000 and integral multiples of $1,000 in excess thereof |

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| | |
|:---|:---|
| &nbsp;&nbsp;Day Count Convention: | &nbsp;&nbsp;30/360 |
| &nbsp;&nbsp;CUSIP Number: | &nbsp;&nbsp;749607 AD9 |
| &nbsp;&nbsp;ISIN Number: | &nbsp;&nbsp;US749607AD95 |
| &nbsp;&nbsp;Book-Running Managers: | &nbsp;&nbsp;BofA Securities, Inc.<br>PNC Capital Markets LLC |

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**\*Note:** A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

**The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, BofA Securities, Inc. and PNC Capital Markets LLC can arrange to send you the prospectus if you request it by calling or e-mailing BofA Securities, Inc. at 1-800-294-1322 or dg.prospectus_requests@bofa.com or by calling or e-mailing PNC Capital Markets LLC at 855-881-0697 or pnccmprospectus@pnc.com.**

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