Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ý Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended May 31, 2019 or o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 1-6263 AAR CORP. (Exact name of registrant as specified in ...

AAR Corp. (NYSE:AIR) Q4 2019 Earnings Conference Call July 10, 2019 4:45 PM ET Company Participants John Holmes - President and Chief Executive Officer Sean Gillen - Vice President and Chief Financial Officer Conference Call Participants Robert Spingarn - Credit Suisse Larry Solow - CJS Securities, Inc. Ken Herbert - Canaccord Genuity Group Inc Joseph DeNardi - Stifel, Nicolaus & Co. Michael Ciarmoli - SunTrust Robinson Humphrey Inc Operator Good afternoon, ladies and gentlemen, and welcome to AAR’s Fiscal ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended February 28, 2019 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 1-6263 AAR CORP. (Exact name of registrant as specified in its charter) Delaware 36-2334820 (State or other jurisdiction of i ...

Call Start: 16:45 January 1, 0000 5:16 PM ET AAR Corporation (NYSE:AIR) Q3 2019 Earnings Conference Call March 19, 2019 16:45 ET Company Participants John Holmes - President & CEO Sean Gillen - VP & CFO Conference Call Participants Michael Ciarmoli - SunTrust Ken Herbert - Canaccord Genuity Robert Spingarn - Credit Suisse Larry Solow - CJS Securities Operator Good afternoon, ladies and gentlemen and welcome to AAR's Fiscal Year 2019 Third Quarter Earnings Call. We are joined today by John Holmes, President ...