MtronPTI (wholly owned subsidiary of The LGL Group (NYSE MKT: LGL)), leader in precision frequency control and custom RF/microwave filters, today announced it has acquired certain assets from Trilithic, Inc. The company based in Indianapolis, developed fixed and tunable frequency bandpass, band-reject, high pass and low pass filter products for cellular, military and other wireless applications. “A crowded spectrum and our increasing dependence on wireless communication is changing requirements for front end RF filtering,” said Mike Howard, Vice President, filter engineering for MtronPTI. “Trilithic’s lumped element (LC) and tunable filter technologies add to MtronPTI’s already popular offerings in the growing digital radio market. Trilithic’s high frequency tubular filters, with very low loss and high power handling, expand MtronPTI’s frequency range toward 20 GHz.” Jeffrey Hale, President of Trilithic, Inc. said, “With over 20 years’ experience, Trilithic has established and maintained a reputation of designing and building some of the most complex and accurate filters and RF subsystems in the world. I am very pleased that an industry leader, MtronPTI, will honor that legacy. This transaction will allow both MtronPTI and Trilithic to increase focus on our core strengths more effectively.” The acquired assets are expected to further strengthen and differentiate MtronPTI’s high reliability/harsh environment RF & microwave filter portfolio, providing more solutions for aerospace, defense and Internet communication technology clients. About MtronPTI MtronPTI is an AS9100 rev C certified designer and manufacturer of advanced highly engineered frequency control and filter products for aerospace, defense, instrumentation and Internet communication applications. Based in Orlando, Florida, with design, sales and manufacturing locations in North America, Asia and Europe, MtronPTI is a subsidiary of The LGL Group (NYSE MKT: LGL). For more information, visit http://www.mtronpti.com and http://www.lglgroup.com. Caution Concerning Forward Looking Statements This document includes certain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and is subject to risks, uncertainties and other factors. The Company’s actual performance may differ materially from such expectations as a result of important risk factors, which include, those identified in the Company’s Form 10-K for the ended December 31, 2012 and its other filings with the U.S. Securities and Exchange Commission. These risks and uncertainties could cause actual results to differ materially from those referred to in these forward-looking statements. The Company does not undertake an obligation to update or revise any forward-looking statements.