Announcement of Series B Preferred Stock Purchase Agreement

COCONUT CREEK, Fla., Sept. 22, 2026 (GLOBE NEWSWIRE) -- Willis Lease Finance Corporation (NASDAQ: WLFC) (“WLFC” or the "Company"), the leading lessor of commercial aircraft engines and global provider of aviation services, today announced that on September 16, 2026, it entered into a $35 million preferred stock purchase agreement with the Development Bank of Japan Inc. (“DBJ”) for 1,750,000 shares of the Company’s 8.09% Series B Preferred Stock.

“We’re delighted to continue to grow our partnership with DBJ, which started nearly 10 years ago,” said Scott B. Flaherty, Executive Vice President and Chief Financial Officer of WLFC. “It is an exciting period for the Company as we expand our global aviation services platform, including our recently announced plans for a new Willis Engine Repair Center(®) in Johor, Malaysia. This additional investment from DBJ will support the continued growth of our business globally.”