Exhibit 99.1 Letter from our CEO We kicked-off the year with several milestones that will mark 2022 as a great year for Inter. During the first quarter, we grew our client base to 18.6 million, and at the current pace we are on track to surpass the 20mm mark in a matter of days. Just for reference, the number that we had envisioned at the time of the IPO, when we began being a publicly listed entity, was 3mm clients. We acknowledge that we are operating under a more complex macro scenario. Since these cycle ...

Table of Contents As filed with the Securities and Exchange Commission on May 2, 2022 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OfR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2021 Commission file number: 333-260701 Inter & Co, Inc. (Exact Name of Registrant as specified in its charter) The Cayman Islands (Jurisdiction of incorporation or organization) Av Barbacena, 1.219, 22nd Floor Belo Ho ...

United States Securities and Exchange Commission Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April 2022 Commission File Number 132-02847 INTER & CO, INC. (Exact name of registrant as specified in its charter) N/A (Translation of Registrant's executive offices) Av Barbacena, 1.219, 22nd Floor Belo Horizonte, Brazil, ZIP Code 30 190-131 Telephone: +55 (31) 2138-7978 (Address of principal executive of ...