Sumisho Air Lease Commences Registered Exchange Offer for its 4.400% Senior Notes due 2028, 4.500% Senior Notes due 2029, 4.850% Senior Notes due 2031 and 5.500% Senior Notes[...]

Sumisho Air Lease Commences Registered Exchange Offer for its 4.400% Senior Notes due 2028, 4.500% Senior Notes due 2029, 4.850% Senior Notes due 2031 and 5.500% Senior Notes due 2036

LOS ANGELES, California, October 30, 2026 - Sumisho Air Lease Corporation ("Sumisho Air Lease") announced today that it has commenced an offer to exchange up to $800 million aggregate principal amount of new 4.400% Senior Notes due 2028, $1.20 billion aggregate principal amount of new 4.500% Senior Notes due 2029, $1.50 billion aggregate principal amount of new 4.850% Senior Notes due 2031 and $500 million aggregate principal amount of new 5.500% Senior Notes due 2036 (collectively, the "Exchange Notes") for a like principal amount of the applicable series of outstanding 4.400% Senior Notes due 2028, 4.500% Senior Notes due 2029, 4.850% Senior Notes due 2031 and 5.500% Senior Notes due 2036 (collectively, the "Outstanding Notes" and, such offer, the "Exchange Offer").

The terms of the Exchange Notes are substantially identical to those of the applicable series of the Outstanding Notes, except that the Exchange Notes have been registered under the Securities Act of 1933, as amended, and the transfer restrictions, restrictive legends, registration rights and additional interest provisions relating to the Outstanding Notes will not apply to the Exchange Notes. The purpose of the Exchange Offer is to fulfill Sumisho Air Lease's obligations under the registration rights agreement entered into in connection with the issuance of the Outstanding Notes. Sumisho Air Lease will not receive any proceeds from the Exchange Offer.

The Exchange Offer will expire at 5:00 p.m. New York City time on December 1, 2026, unless extended (such date and time, as may be extended, the "Expiration Time"). The settlement date for the Exchange Offer will occur promptly following the Expiration Time. The terms of the Exchange Offer and other information relating to Sumisho Air Lease and the Exchange Notes are set forth in a prospectus dated October 30, 2026, a copy of which has been filed with the Securities and Exchange Commission ("SEC"). Sumisho Air Lease has not authorized any person to provide information other than as set forth in the prospectus.

Copies of the prospectus and the transmittal letter governing the Exchange Offer can be obtained from the exchange agent, Computershare Trust Company, N.A., by calling (612) 448-7420, by writing via regular or certified mail, or overnight courier, to Computershare, Attn: Biddel Tekeste, 1505 Energy Park Drive, St. Paul, MN 55108, or by emailing [email protected].