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News Release Exhibit 99.1 axcelis AXCELIS ANNOUNCES FINANCIAL RESULTS FOR THIRD QUARTER 2021 The Company Reports Record Implant Systems Revenue and Backlog BEVERLY , Mass . — November 3 , 2021 - Axcelis Technologies , Inc. ( Nasdaq : ACLS ) , a leading supplier of enabling ion implantation solutions for the semiconductor industry , today announced financial results for the third quarter ended September 30 , 2021 . Highlights for the third quarter are as follows : The Company reported third quarter revenue of $ 176.7 million , compared to $ 147.3 million for the second quarter of 2021. This includes quarterly system revenues of $ 126.2 million dollars , an implant systems record , compared to $ 100.1 million in the second quarter . Operating profit for the quarter was $ 36.4 million , compared to $ 24 million for the second quarter . Net income for the quarter was $ 27.5 million , or $ 0.81 per diluted share , compared to net income of $ 18.9 million , or $ 0.55 per diluted share for the second quarter . Gross margin for the quarter was 43.3 % , compared to 43.5 % in the second quarter . Shipped full family of Purion SiC Power Series ™ implanters to leading power device chipmakers located in Asia and Europe . Shipped multiple Purion ™ high current and high energy implanters to a leading memory device manufacturer located in Asia . President and CEO Mary Puma commented , " Axcelis delivered very strong third quarter financial performance driven by record implant systems revenue and solid gross margins . The mature and specialty markets , especially the implant - intensive power device segment , are generating significant market expansion . Axcelis is capitalizing on the strength of these segments with market leading Purion product extensions specifically designed to meet these customers ' requirements . The Company is well positioned for long - term , sustainable growth . " Business Outlook For the fourth quarter ending December 31 , 2021 , Axcelis expects revenues to be approximately $ 190 million . Gross margin in the fourth quarter is expected to be approximately 41.5 % . Fourth quarter operating profit is forecasted to be approximately $ 37 million with earnings per diluted share of approximately $ 0.84 . The Company also expects to exceed $ 640 million in revenue for the full year 2021 .