MACOM Announces Final Order of Preliminary Injunction Against Infineon

MACOM Technology Solutions Holdings, Inc. (NASDAQ: MTSI) (MACOM), a leading supplier of high-performance analog RF, microwave, millimeterwave and photonic semiconductor products, today announced that the United States District Court for the Central District of California in Los Angeles has entered a preliminary injunction order that, among other things, bars Infineon Technologies Americas Corp. (“Infineon”) from designing, developing, making, marketing, or selling Gallium Nitride on Silicon (GaN-on-Si) RF products that use intellectual property rights previously owned by Nitronex and now exclusively licensed to MACOM in certain fields, including basestations.

The order further requires Infineon to provide notice of the injunction to all its relevant affiliates, subsidiaries, employees, and customers.

“Our U.S. court system demands an extremely high standard of proof before it will consider issuing a preliminary injunction,” commented John Croteau, President and Chief Executive Officer of MACOM. “By upholding MACOM’s exclusive IP rights and forcing Infineon to inform customers, employees and subsidiaries that it is no longer able to design, develop or market GaN-on-Si RF products that practice the Nitronex IP in MACOM’s exclusive field, we believe that the court is sending a very clear message. As we have stated in the past, we are fully committed to vigorously litigating this case to its rightful conclusion and stand firmly against any company resorting to strong-arm tactics to usurp the rights of pioneers and innovators who move the industry and society forward with breakthrough technologies like GaN-on-Si in basestations.”

About MACOM:MACOM enables a better-connected and safer world by delivering breakthrough semiconductor technologies for optical, wireless and satellite networks that satisfy society’s insatiable demand for information.

Today, MACOM powers the infrastructure that millions of lives and livelihoods depend on every minute to communicate, transact business, travel, stay informed and be entertained. Our technology increases the speed and coverage of the mobile Internet and enables fiber optic networks to carry previously unimaginable volumes of traffic to businesses, homes and datacenters.

Keeping us all safe, MACOM technology enables next-generation radars for air traffic control and weather forecasting, as well as mission success on the modern networked battlefield.

MACOM is the partner of choice to the world’s leading communications infrastructure, aerospace and defense companies, helping solve their most complex challenges in areas including network capacity, signal coverage, energy efficiency and field reliability, through its best-in-class team and broad portfolio of analog RF, microwave, millimeterwave and photonic semiconductor products.

MACOM is a pillar of the semiconductor industry, thriving for more than 60 years of daring to change the world for the better, through bold technological strokes that deliver true competitive advantage to customers and superior value to investors.

Headquartered in Lowell, Massachusetts, MACOM is certified to the ISO9001 international quality standard and ISO14001 environmental management standard. MACOM has design centers and sales offices throughout North America, Europe, Asia and Australia.

MACOM, M/A-COM, M/A-COM Technology Solutions, M/A-COM Tech, Partners in RF & Microwave, and related logos are trademarks of MACOM. All other trademarks are the property of their respective owners. For more information about MACOM, please visit www.macom.com follow @MACOMtweets on Twitter, join MACOM on LinkedIn, or visit the MACOM YouTube Channel.

Special Note Regarding Forward-Looking StatementsThis press release contains forward-looking statements based on MACOM management's beliefs and assumptions and on information currently available to our management. Forward-looking statements include, among others, statements concerning the impact of the court’s ruling, the future outcome of the litigation and MACOM’s future provision of GaN-on-Si to the market or any potential impact thereof.

Forward-looking statements contained in this press release reflect MACOM's current views about future events and are subject to risks, uncertainties, assumptions and changes in circumstances that may cause those events or our actual activities or results to differ materially from those expressed in any forward-looking statement. Although MACOM believes that the expectations reflected in the forward-looking statements are reasonable, it cannot and does not guarantee future events, results, outcomes, actions, levels of activity, performance or achievements. Readers are cautioned not to place undue reliance on these forward-looking statements. A number of important factors could cause actual results to differ materially from those indicated by the forward-looking statements, including those factors described in "Risk Factors" in MACOM's filings with the Securities and Exchange Commission (SEC), including its Annual Report on Form 10-K for the fiscal year ended September 30, 2016 as filed with the SEC on November 17, 2016. MACOM undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

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MACOM Technology Solutions Holdings, Inc.Bob McMullan, 978-656-2753Chief Financial [e-mail]