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News Release axcelis Exhibit 99.1 AXCELIS ANNOUNCES FINANCIAL RESULTS FOR SECOND QUARTER 2021 The Company Expects 2021 Revenue to Exceed $ 625M BEVERLY , Mass . — August 4 , 2021 — Axcelis Technologies , Inc. ( Nasdaq : ACLS ) , a lending supplier of enabling ion implantation solutions for the semiconductor industry , today announced financial results for the second quarter ended June 30 , 2021 . Highlights for the second quarter are as follows : The Company reported second quarter revenue of $ 147.3 million , compared to $ 132.8 million for the first quarter of 2021. This includes quarterly system revenues above $ 100 million , the first time since 2004 . Operating profit for the quarter was $ 24 million , compared to $ 20.3 million for the first quarter . Net income for the quarter was $ 18.9 million , or $ 0.55 per diluted share , compared to net income of $ 16.5 million , or $ 0.48 per diluted share for the first quarter . Gross margin for the quarter was 43.5 % , compared to 42.5 % in the first quarter . Cash , cash equivalents and restricted cash were $ 220.5 million on June 30 , 2021 , compared to $ 207.5 million on March 31 , 2021 , after the settlement of stuck repurchases of $ 13.4 million . Shipped multiple high current and high energy Purion ™ and legacy implant systems to multiple fab locations for a leading foundry located in China . Shipped multiple Purion M ™ Power Series SiC medium current and Purion XE ™ Power Series SiC high energy implanters to several leading SiC power device manufacturers located in Asia and Europe . President and CEO Mary Puma commented , " Axcelis delivered strong second quarter financial performance as a result of overall strength in the semiconductor industry combined with growing demand for our Purion ™ implant products , especially in the high growth power device market . The rapid acceleration of the electrification of the automotive industry is creating substantial demand for power devices and image sensors , which is driving sustainable growth for the Purion product extensions specifically developed for these markets . As a result of these market trends and the traction of our Purion base products and product line extensions , Axcelis is on track to exceed $ 625 million in revenue for the full year 2021. The Company is well positioned for strong sustainable growth . ” Business Outlook For the third quarter ending September 30 , 2021 , Axcelis expects revenues to be approximately $ 170 million . Gross margin in the third quarter is expected to be approximately 42.5 % . Third quarter operating profit is forecasted to be approximately $ 32 million with earnings per diluted share of approximately $ 0.70 . The Company also expects to exceed $ 625 million in revenue for the full year 2021 .