Antares Strategic Credit Fund II LLC

Item 3.02 Unregistered Sales of Equity Securities. On September 1, 2026, Antares Strategic Credit Fund II LLC (the “Company”) received approximately $7.9 million of subscriptions for 319,276 of its common shares (the “Common Shares”) from unaffiliated investors. The Company intends to continue selling Common Shares in the Private Offering (as defined below) on a monthly basis at an offering price generally equal to the net asset value (“NAV”) per share. The Company is offering its Common Shares on a continuous basis via a private placement. The Common Shares are offered and sold (i) in the United States under the exemption provided by Section 4(a)(2) of the Securities Act of 1933, as amended (“Securities Act”), and Rule 506 of Regulation D promulgated thereunder and other exemptions of similar import in the laws of the states and jurisdictions where the offering will be made, and (ii) outside of the United States in accordance with Regulation S of the Securities Act (the “Private Offering”).

Item 7.01 Regulation FD Disclosure. On September 29, 2026, the Company declared a regular and special distribution for its Common Shares in the amounts per share set forth below: Gross Distribution - Regular Shareholder Servicing and/or Distribution Fee Net Distribution - Regular Special Distribution Net Distribution - Total ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Common Shares $0.1856 $0.0173 $0.1683 $0.0102 $0.1785 These amounts are payable to shareholders of record as of September 29, 2026, and will be paid on or about October 28, 2026. These distributions will be paid in cash or reinvested in additional Common Shares for shareholders participating in the Company’s distribution reinvestment plan.

Item 8.01 Other Events. NAV and Portfolio Update The NAV per share for the Common Shares of the Company, as of August 31, 2026, as determined in accordance with the Company’s valuation policy, is $24.82. As of August 31, 2026, the Company’s aggregate NAV was approximately $87.8 million, with loan commitments of approximately $227.8 million. Additionally, the Company had principal debt outstanding of approximately $94.7 million, resulting in a debt-to-equity (NAV) ratio of approximately 1.08 times, and a net leverage ratio of approximately 1.05 times. Net leverage ratio is calculated as debt outstanding less cash, foreign currencies, and short-term investments divided by NAV.