Power Solutions International, Inc. revised sales guidance for the full year of 2021 and earnings guidance for the fourth quarter of 2021. The Company anticipates its sales for the full year of 2021 will be at least 20% above 2020 levels as a result of anticipated growth across all of its end markets, with expectations for its energy and industrial end markets to provide a greater contribution in the second half of the year. During the second half of 2021, the fourth quarter is anticipated to exhibit a significantly higher sales growth rate versus the other quarters in 2021 and the Company anticipates that its gross profit as a percentage of sales will improve meaningfully in the quarter versus the first half of 2021.