Amendment to Annual Report (Form 10-K/A)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM

Amendment No. 1

(Mark One)

For the fiscal year ended , 2024

OR

For the transition period from to

Commission File

Diameter Credit Company

(Exact name of Registrant as specified in its Charter)

Registrant's telephone number, including area code: (212)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:

Common shares of beneficial interest, par value $0.001 per share

(Title of class)

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YES ☐   ☒

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. YES ☐   ☒

Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. YES ☒ NO ☐

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files). YES ☒ NO ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a filer, smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to

Indicate by check mark whether the Registrant is a shell company (as defined in of the Exchange Act). YES ☐ NO ☒

There is currently no established public market for the Registrant's Common Shares of beneficial interest, par value $ per share ("Common Shares").

The number of shares of Registrant's Common Shares outstanding as of March 12, 2025 was 25,535,954.

EXPLANATORY NOTE

Diameter Credit Company (the "Company", "we", "us", and "our") is filing this Amendment No. 1 (the "Amendment") to our Annual Report on Form 10-K for the fiscal year ended December 31, 2024, which was filed with the Securities and Exchange Commission (the "SEC") on March 12, 2025 (the The Company inadvertently omitted certain signatures from the signature page that was included with the The Company is filing this Amendment solely to include the revised signature page.

In addition, as required by Rule under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), new certifications by the Company's principal executive officers and principal financial officer are filed herewith as exhibits to this Amendment pursuant to Rule or of the Exchange Act. As no financial statements have been included in this Amendment and this Amendment does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation paragraphs 3, 4, and 5 of the certifications have been omitted. The Company is not including certifications pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350) as no financial statements are being filed with this Amendment.

Except as described above, this Amendment does not modify or update disclosure in, or exhibits to, the Furthermore, this Amendment does not change any previously reported financial results, nor does it reflect events occurring after the filing date of the Amendment should be read in conjunction with the

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PART IV

Item 15. Exhibits, Financial Statement Schedules.

The following exhibits are filed as part of this Amendment:

Item 16.

None.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

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