Material Agreement Form 8 K

As previously reported, Allurion Technologies, Inc. (the "Company" or "Allurion") consummated a public offering pursuant to which the Company agreed to issue and sell 14,406,508 shares of the Company's common stock, par value $0.0001 per share (the "Common Stock"), and warrants ("Public Warrants") to purchase 16,567,484 shares of Common Stock at an offering price of $1.20 per share and accompanying warrant (the "Offering"), inclusive of the Underwriters' exercise of their over-allotment option to purchase 2,160,976 Public Warrants, pursuant to an underwriting agreement (the "Underwriting Agreement") entered into between the Company, Jefferies LLC and TD Securities (USA) LLC, as representatives of the several underwriters (the "Underwriters"), which was previously filed as Exhibit 1.1 to the Company's Current Report on Form 8-Kfiled with the Securities and Exchange Commission (the "SEC") on July 1, 2024.

In connection with the Offering, and pursuant to the Underwriting Agreement, the Underwriters were also granted a 30-dayoption to purchase up to an additional 2,160,976 shares of Common Stock at the public offering price. On July 5, 2024, the Underwriters partially exercised their over-allotmentoption to purchase an additional 1,927,265 shares of Common Stock, generating additional gross proceeds of approximately $2.3 million to the Company, before deducting the Underwriters' discounts and commissions and estimated offering expenses payable by the Company.