Aircastle Limited (NYSE: AYR) announced today the commencement of a public offering of 7,887,029 common shares by Ontario Teachers' Pension Plan (the "Selling Shareholder"). Aircastle will not receive any proceeds from the sale of the shares by the Selling Shareholder.

Goldman Sachs & Co. LLC and Citigroup Global Markets Inc. are acting as underwriters for the offering. The underwriters intend to offer the shares to the public at a fixed price, which may be changed at any time without notice.

Aircastle has filed a registration statement (including a base prospectus) and a preliminary prospectus supplement with the Securities and Exchange Commission (the "SEC") for the offering to which this communication relates. Before you invest, you should read the base prospectus and preliminary prospectus supplement and the other documents Aircastle has filed or will file with the SEC for more complete information about Aircastle and this offering. You may obtain these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, the preliminary prospectus supplement and accompanying base prospectus may be obtained by contacting Goldman Sachs & Co. LLC, Attention: Prospectus Department, 200 West Street, New York, NY 10282, by e-mail at prospectus-ny@ny.email.gs.com or by calling (866) 471-2526 and Citigroup, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 by calling (800) 831-9146.

About Aircastle Limited

Aircastle Limited acquires, leases and sells commercial jet aircraft to airlines throughout the world. As of March 31, 2018, Aircastle owned and managed on behalf of its joint ventures 234 aircraft leased to 81 customers located in 44 countries.