• Revenue increases 28% compared to Q3 2020 and 5% compared to Q2 2021
• Gross Margin Expands to 62.8% / 63.6% for Q3 2021 on a GAAP / Non-GAAP Basis, from 60.5% / 61.5%, respectively, for Q3 2020
• Net Income Improves to $0.19 / $0.28 Per Diluted Share for Q3 2021 on a GAAP / Non-GAAP Basis, Compared to $0.09 / $0.19, respectively, for Q3 2020

* GAAP represents U.S. Generally Accepted Accounting Principles. Non-GAAP represents GAAP excluding the impact of certain activities which the Company's management excludes in analyzing the Company's operating results and in understanding trends in the Company's earnings. Additional information relating to these measures is included below in “Non-GAAP Financial Measures.” For a reconciliation of GAAP to non-GAAP results, see accompanying tables "Reconciliation of U.S. GAAP to Non-GAAP Financial Measures."

Lattice Semiconductor Corporation (NASDAQ: LSCC), the low power programmable leader, announced financial results today for the fiscal third quarter ended October 2, 2021.

Jim Anderson, president and CEO, said, "We drove 28% year-over-year revenue growth, with a year-over-year increase in net income of 112% on a GAAP basis and 49% on a non-GAAP basis. We saw strong revenue growth across all of our end markets, as we continued to expand our leadership product portfolio."

Sherri Luther, CFO, said, "We achieved record operating profit of 20.5% on a GAAP basis and 30.4% on a non-GAAP basis, while driving gross margin expansion of 230 basis points on a GAAP basis and 210 basis points on a non-GAAP basis compared to Q3 2020. Year to date, we generated $116 million in cash flow from operations and repurchased $55 million of the Company's shares."

Selected Third Quarter 2021 Financial Results and Comparisons (in thousands, except per share data)

Third Quarter 2021 Highlights

• Revenue Growth: Third consecutive quarter of double-digit growth, with revenue increasing 28% in Q3 2021 compared to Q3 2020 and 5% compared to Q2 2021.
• Profit Expansion: Gross margin expanded 230 basis points on a GAAP basis and 210 basis points on a non-GAAP basis compared to Q3 2020, with net income increasing 112% on a GAAP basis and 49% on a non-GAAP basis compared to Q3 2020.
• Lattice Wins 2021 Sustainability Leadership Award: The Business Intelligence Group recognized Lattice for its company-wide commitment to sustainability and organization-wide support to achieve a cleaner, more sustainable world. This is a key focus for Lattice, driven by the Company's leadership in power-efficient products.
• Award-Winning Lattice mVision™ Solution Stack™: Lattice's mVision stack now supports 4K video data processing and LPDDR4 memory to deliver higher quality image signal processing (ISP) performance. This allows developers to quickly implement popular high-speed communication and display interfaces to accelerate embedded vision performance with class-leading low power consumption for Edge applications.
• Lattice Certus™-NX for Automotive Applications: Lattice expanded its growing portfolio of automotive products with optimized versions of the Lattice Certus™-NX FPGA family. Built on the Lattice Nexus™ platform, these new Certus-NX devices combine automotive-grade features with class-leading performance and power efficiency.

Business Outlook - Fourth Quarter of 2021:

• Revenue for the fourth quarter of 2021 is expected to be between $129 million and $139 million.
• Gross margin percentage for the fourth quarter of 2021 is expected to be 64% plus or minus 1% on a non-GAAP basis.
• Total operating expenses for the fourth quarter of 2021 are expected to be between $44 million and $46 million on a non-GAAP basis.

Non-GAAP Financial Measures: In addition to financial measures prepared in accordance with generally accepted accounting principles (GAAP), this earnings release makes reference to non-GAAP financial measures. With respect to the outlook for the fourth quarter of 2021, certain items that affect GAAP measurement of financial measures are out of the Company’s control and/or cannot be reasonably predicted. Consequently, the Company is unable to provide a reasonable estimate of GAAP measurement for guidance or a corresponding reconciliation to GAAP for the quarter. Additional information regarding the reasons the Company uses non-GAAP measures, a reconciliation of these measures to the most directly comparable GAAP measures, and other information relating to these measures are included below, following the GAAP financial information.

Investor Conference Call / Webcast Details:

Lattice Semiconductor will review the Company's financial results for the fiscal third quarter 2021, and business outlook on Tuesday, November 2 at 5:00 p.m. Eastern Time. The dial-in number for the live audio call is 1-888-684-5603 or 1-918-398-4852 with conference identification number 4666084. A live webcast of the conference call will also be available on the investor relations section of www.latticesemi.com. The Company's financial guidance will be limited to the comments on its public quarterly earnings call and the public business outlook statements contained in this press release.

Forward-Looking Statements Notice:

The foregoing paragraphs contain forward-looking statements that involve estimates, assumptions, risks and uncertainties. Any statements about our expectations, beliefs, plans, objectives, assumptions or future events or performance are not historical facts and may be forward-looking. Such forward-looking statements include, but are not limited to, statements relating to: our belief that we are continuing to expand our leadership product portfolio; and the statements under the heading “Business Outlook - Fourth Quarter of 2021.” Other forward-looking statements may be indicated by words such as “will,” “could,” “should,” “would,” “may,” “expect,” “plan,” “project,” “anticipate,” “intend,” “forecast,” “future,” “believe,” “estimate,” “predict,” “propose,” “potential,” “continue” or the negative of these terms or other comparable terminology.

Estimates of future revenue are inherently uncertain due to such factors such as global economic conditions which may affect customer demand, pricing pressures, competitive actions, and international trade disputes and sanctions. In addition, the COVID-19 pandemic has negatively impacted the overall economy and, as a result of the foregoing, may negatively impact our operating results for future periods. Actual gross margin percentage and operating expenses could vary from the estimates on the basis of, among other things, changes in revenue levels, changes in product pricing and mix, changes in wafer, assembly, test and other costs, variations in manufacturing yields, the failure to sustain operational improvements, and the actual amount of compensation charges due to stock price changes. Actual results may differ materially from our expectations and are subject to risks and uncertainties that relate more broadly to our overall business, including those risks more fully described in Lattice’s filings with the SEC including its Annual Report on Form 10-K for the fiscal year ended January 2, 2021, and Lattice’s quarterly reports filed on Form 10-Q. COVID-19 may increase or change the severity of our other risks reported in our Annual Report on Form 10-K for the fiscal year ended January 2, 2021. Lattice believes these and other risks and uncertainties could cause actual results to differ materially from the forward-looking statements. You should not unduly rely on forward-looking statements because actual results could differ materially from those expressed in any forward-looking statements. In addition, any forward-looking statement applies only as of the date on which it is made. The Company does not intend to update or revise any forward-looking statements, whether as a result of events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

Non-GAAP Financial Measures:

Included within this press release and the accompanying tables and notes are certain non-GAAP financial measures that supplement the Company's consolidated financial information prepared in accordance with U.S. GAAP. The non-GAAP measures presented exclude charges and adjustments primarily related to stock-based compensation and related tax effects, restructuring plans and related charges, amortization of acquired intangible assets, and the estimated tax effect of these items. These charges and adjustments are a result of periodic or non-core operating activities of the Company. The Company describes these non-GAAP financial measures and reconciles them to the most directly comparable GAAP measures in the tables and notes attached to this press release.

The Company's management believes that these non-GAAP financial measures provide an additional and useful way of viewing aspects of our performance that, when viewed in conjunction with our GAAP results, provide a more comprehensive understanding of the various factors and trends affecting our ongoing financial performance and operating results than GAAP measures alone. Management also uses these non-GAAP measures for strategic and business decision-making, internal budgeting, forecasting, and resource allocation processes and believes that investors should have access to similar data.

These non-GAAP measures are included solely for informational and comparative purposes and are not meant as a substitute for GAAP and should be considered together with the consolidated financial information located in the tables attached to this press release.

About Lattice Semiconductor Corporation:

Lattice Semiconductor (NASDAQ: LSCC) is the low power programmable leader. We solve customer problems across the network, from the Edge to the Cloud, in the growing communications, computing, industrial, automotive, and consumer markets. Our technology, long-standing relationships, and commitment to world-class support let our customers quickly and easily unleash their innovation to create a smart, secure, and connected world.

For more information about Lattice, please visit www.latticesemi.com. You can also follow us via LinkedIn, Twitter, Facebook, YouTube, WeChat, Weibo or Youku.

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