THE LGL GROUP, INC. ANNOUNCES EXTENSION OF PREVIOUSLY ANNOUNCED SUBSCRIPTION RIGHTS OFFERING (Form 8-K)

THE LGL GROUP, INC. ANNOUNCES EXTENSION OF PREVIOUSLY ANNOUNCED SUBSCRIPTION RIGHTS OFFERING

ORLANDO, Florida (June 17, 2026) The LGL Group, Inc. (NYSE American: LGL) ("LGL Group" or the "Company") today announced that it has extended the expiration date of its subscription rights offering to purchase shares of LGL Group's common stock (the "Common Stock"), distributed on June 5, 2026 (the "Rights"), until 5:00 p.m., Eastern time, on Monday, June 29, 2026 (the "Rights Offering") to facilitate the administration of the Rights Offering. The Rights Offering was previously scheduled to expire on June 23, 2026. All other terms and conditions of the Rights Offering remain unchanged.

Pursuant to LGL Group's prospectus: The transferable subscription rights (each, a "Right" and, collectively, the "Rights") are being issued with the following features:

All exercise notices and payments (including with respect to any exercise of a Rights holder's over-subscription privilege) must now be received by Computershare Trust Company, N.A. no later than 5:00 p.m., Eastern time, on Monday, June 29, 2026. Holders in street name should contact their broker, bank or other intermediary for information on how to exercise their Rights (including pursuant to any exercise of the Over-subscription privilege).

Rights holders may exercise their Rights pursuant to the terms of a subscription rights certificate, the form of which was included as an exhibit to the Company's Registration Statement on Form S-1 (File No. 333-295925), effective May 28, 2026, on file with the U.S. Securities and Exchange Commission ("SEC").

The final prospectus for the Rights Offering may be reviewed here.

About The LGL Group, Inc.

The LGL Group, Inc. ("LGL Group" or the "Company") is a holding company engaged in services, merchant investment and manufacturing business activities. Precise Time and Frequency, LLC ("PTF") is a globally positioned producer of industrial Electronic Instruments and commercial products and services. Founded in 2002, PTF operates from the Company's design and manufacturing facility in Wakefield, Massachusetts. Lynch Capital International LLC is focused on the development of value through investments.

LGL Group was incorporated in 1928 under the laws of the State of Indiana, and in 2007, the Company was reincorporated under the laws of the State of Delaware as The LGL Group, Inc. The Company maintains its executive offices at 2525 Shader Road, Orlando, Florida 32804 and the Company's telephone number is (407) 298-2000 and Internet address is www.lglgroup.com. LGL Group common stock is traded on the NYSE American under the symbol "LGL."

LGL Group's business strategy is primarily focused on growth through expanding new and existing operations across diversified industries. The Company's engineering and design origins date back to the early 1900s. In 1917, Lynch Glass Machinery Company ("Lynch Glass"), the predecessor of LGL Group, was formed and emerged in the late 1920s as a successful manufacturer of glass-forming machinery. Lynch Glass was then renamed Lynch Corporation ("Lynch") and was incorporated in 1928 under the laws of the State of Indiana. In 1946, Lynch was listed on the "New York Curb Exchange," the predecessor to the NYSE American. The Company has a had a long history of owning and operating various businesses in the precision engineering, manufacturing, and services sectors.