FINANCIAL CONTACT: John W. Hohener
Executive Vice President and Chief Financial Officer
Tel: 949-380-6100

INVESTORS CONTACT: Robert C. Adams
Senior Vice President of Corporate Development
Tel: 949-380-6100

Microsemi Corporation Announces New $250 Million Stock Repurchase Program

ALISO VIEJO, Calif.—July 27, 2017—Microsemi Corporation (Nasdaq: MSCC), a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced its board of directors has authorized a new share buyback plan for the repurchase of up to $250 million of the company’s common stock. The timing and amount of repurchase transactions under this program will depend on market conditions and corporate and regulatory decisions. The purchases will be funded from available working capital.

Thenewauthorization permits the company to repurchase up to $250 million of common stock before July 31, 2019. The program does not obligate the company to acquire any particular amount of common stock, and may be modified or suspended at any time at the company’s discretion.

About Microsemi

Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world's standard for time; voice processing devices; RF solutions; discrete components; enterprise storage and communication solutions, security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, California and has approximately 4,800 employees globally. Learn more at www.microsemi.com.

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"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements regarding future repurchases of shares of Microsemi’s common stock, are forward-looking statements. These forward-looking statements are based on Microsemi's current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as continued negative or worsening worldwide economic conditions or market instability; risks related to Microsemi's international operations and sales, including divergent laws and regulations, political instability, trade restrictions and sanctions, restrictions in the transfer or repatriation of funds, currency fluctuations and availability of transportation services; downturns in the highly cyclical semiconductor industry that may cause us to trigger financial covenants in our debt agreements, increase the cost of borrowing, and decrease the amount available under our credit facilities; our ability to successfully implement our acquisitions and divestitures strategy or integrate acquired companies; uncertainty as to the future profitability of acquired businesses, and delays in the realization of, or the failure to realize, any accretion from acquisition transactions; acquiring, managing and integrating new operations, businesses or assets, and the associated diversion of management attention or other related costs or difficulties; difficulties and costs of protecting patents and other proprietary rights; Microsemi's reliance on government contracts for a significant portion of its sales, including impacts of any termination or renegotiation of such contracts, uncertainties of governmental appropriations and national defense policies and priorities and effects of any past or future government shutdowns; potential non-realization of expected orders or non-realization of backlog; failure to make sales indicated by the Microsemi's book-to-bill ratio; intense competition in the semiconductor industry and resultant downward price pressure; the effect of events such as natural disasters and related disruptions on our operations; the concentration of the facilities that service the semiconductor industry; delays in beginning production, implementing production techniques, resolving problems associated with technical equipment malfunctions, or issues related to government or customer qualification of facilities; our dependence on third parties for key functions; utilization of channel partners over which we have limited control for product distribution; increases in the costs of credit and the availability of credit or additional capital only under more restrictive conditions

or not at all; changes to laws or regulations; unanticipated changes in Microsemi's tax obligations, results of tax examinations or exposure to additional income tax liabilities; changes in generally accepted accounting principles; principal, liquidity and counterparty risks related to Microsemi's holdings in securities; inability to develop new technologies and products to satisfy changes in customer demand or the development by our competitors of products that decrease the demand for Microsemi's products; unfavorable or declining conditions in end markets; inability of Microsemi's compound semiconductor products to compete successfully with silicon-based products; production delays related to new compound semiconductors; variability of our manufacturing yields; potential effects of system outages or data security breaches; inability by Microsemi to fulfill customer demand and resulting loss of customers; variations in customer order preferences; difficulties foreseeing future demand; rises in inventory levels and inventory obsolescence; environmental or other regulatory matters or litigation, or any matters involving contingent liabilities or other claims; the uncertainty of litigation, the costs and expenses of litigation, the potential material adverse effect litigation could have on Microsemi's business and results of operations if an adverse determination in litigation is made, and the time and attention required of management to attend to litigation; difficulties in determining the scope of, and procuring and maintaining, adequate insurance coverage; difficulties in the hiring and retention of qualified personnel in a competitive labor market; any circumstances that adversely impact the end markets of acquired businesses; and difficulties in closing or disposing of operations or assets or transferring work, assets or inventory from one plant to another. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in Microsemi's most recent Annual Report on Form 10-K and any subsequent Quarterly Reports on Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

Source: Microsemi Corporation