# EDGAR Filing Document

**Accession Number:** 0001476765
**File Stem:** 0001104659-26-063916
**Filing Date:** 2026-5
**Character Count:** 4784
**Document Hash:** a6ec5aeebac5846057710bcbd8a18665
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-063916.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0001104659-26-063916

**CONFORMED SUBMISSION TYPE**: 497AD

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GOLUB CAPITAL BDC, Inc.
- **CENTRAL INDEX KEY:** 0001476765

**ORGANIZATION NAME:**
- **EIN:** 471893276
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497AD
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-286240
- **FILM NUMBER:** 261000064

**BUSINESS ADDRESS:**
- **STREET 1:** 200 PARK AVENUE
- **STREET 2:** 25TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10166
- **BUSINESS PHONE:** 212.750.6060

**MAIL ADDRESS:**
- **STREET 1:** 200 PARK AVENUE
- **STREET 2:** 25TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10166

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GOLUB CAPITAL INVESTMENT Corp
- **DATE OF NAME CHANGE:** 20170511

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Golub Capital BDC, Inc.
- **DATE OF NAME CHANGE:** 20100414

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Golub Capital BDC LLC
- **DATE OF NAME CHANGE:** 20091113

**Filed pursuant to Rule 497(a)**

**Registration No. 333-286240**

**Rule 482ad**

[TEXT OF COMMUNICATION SENT VIA BLOOMBERG]

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| | |
|:---|:---|
| Issuer/Ticker | Golub Capital BDC, Inc. (GBDC) |
| Total Size | USD 400MM |
| IPT | T + 245a |
| Ratings\* | Moody's (Exp): Baa2/Stable<br> S&P (Exp): BBB-/Stable<br> Fitch (Exp): BBB/Stable |
| Format | SEC Registered |
| Ranking | Sr Unsecured Note |
| Settlement | T+5 (May 27, 2026) |
| Maturity Date | Jun 01, 2031 |
| Coupon Type | Fixed |
| Change of Control | Yes – 100% |
| Optional Redemption | Make Whole Call<br> Par Call: 1 month prior to maturity |
| Book Runner(s) | Active: JPM, SANTUS, SMBC, TSI, WFS(B&D) |
| Use of Proceeds | To repay outstanding borrowings under the Company's senior secured revolving credit facility |
| Denominations | 2,000 x 1,000 |
| Timing | Today's Business |
| Sale into Canada | Yes – Exemption |
| CUSIP | 38173MAF9 |
| ISIN | US38173MAF95 |

---

----Disclaimers----

\*A security rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time. The ratings are subject to revision or withdrawal at any time by Moody's, S&P, or Fitch. Each of the security ratings above should be evaluated independently of any other security rating.

Investors are advised to carefully consider the investment objectives, risks and charges and expenses of Golub Capital BDC, Inc. before investing. When available, a preliminary prospectus supplement, together with an accompanying prospectus, will be filed with the Securities and Exchange Commission (the "SEC"), which will contain this and other information about Golub Capital BDC, Inc. and should be read carefully before investing.

The information in any preliminary prospectus supplement and accompanying prospectus, when available, and in this announcement is not complete and may be changed. This announcement is not an offer to sell any securities of Golub Capital BDC, Inc. and is not soliciting an offer to buy such securities in any state or jurisdiction where such offer and sale is not permitted.

A shelf registration statement relating to these securities is on file with the SEC. The offering may be made only by means of a preliminary prospectus supplement and an accompanying prospectus. Before you invest, you should read the preliminary prospectus supplement, together with the accompanying prospectus, and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may obtain these documents for free by visiting EDGAR on the SEC's website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the preliminary prospectus supplement and accompanying prospectus if you request it from Wells Fargo Securities, LLC toll-free at +1-800-645-3751, J.P. Morgan Securities LLC at 1-212-834-4533, Santander US Capital Markets LLC toll-free at 1-855-403-3636, SMBC Nikko Securities America, Inc. at +1 (888) 868-6856, or Truist Securities, Inc. toll-free at 1-800-685-4786.

Any legends, disclaimers or other notices that may appear below are not applicable to this communication and should be disregarded (other than any statement relating to the identity of the legal entity authorizing or sending this communication in a non-US jurisdiction). Such legends, disclaimers or other notices have been automatically generated as a result of this communication having been sent via Bloomberg or another system.