Adesto Technologies Investor Presentation — May 2018

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1May 9th2018Adesto Technologies Acquisition

of S3 Semiconductors2Safe Harbor Statement

About Non -GAAP Financial Measures

During this presentation, references to financial measures of Adesto Technologies Corporation will include references to non -GAAP financial measures. For an

explanation to the most directly comparable GAAP financial measures, see the Appendix to these materials or the Company’s ear nings release, dated May 9, 2018.

Forward -Looking Statements

This presentation contains forward -looking statements, which are subject to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These

statements include, among other things, statements described as “Expected Financial Benefits,” on the slide entitled “Anticip ated Benefits of the Transaction” and

relating to expansion of the combined company’s addressable market, projections on the slide captioned “Financial Model” and statements regarding future events

that involve risks and uncertainties. Actual results may differ materially from those contained in the forward -looking statemen ts contained in this presentation, and

reported results should not be considered as an indication of future performance. The potential risks and uncertainties that could cause actual results to differ from

those projected include the risk that the businesses of the Company and S3 Semiconductors may not be combined successfully, o r such combination may take longer,

be more difficult, time -consuming or costly to accomplish than expected; the risk that sales of S3 Semiconductors’ products will not be as high as anticipated; the

expected growth opportunities, increases in average sales prices, revenues, gross margin and operating margin, sales channel improvements or cost savings from the

acquisition may not be fully realized or may take longer to realize than expected; customer losses and business disruption fo llowing the acquisition, including adverse

effects on relationships with former employees of S3 Semiconductors, may be greater than expected; and the risk that the Comp anymay incur unanticipated or

unknown losses or liabilities in connection with the acquisition. Additional factors, that could cause actual results to diff er materially from those expressed in the

forward -looking statements include our ability to predict the timing of design wins entering production and the potential future revenue associated with our design

wins; market adoption of our CBRAM -based products; our limited operating history; our rate of growth; our ability to predict cus tomer demand for our existing and

future products and to secure adequate manufacturing capacity; consumer demand conditions affecting our end markets; our abil ityto manage our growth; our ability