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First Quarter 2021 CFO Commentary As reflected in our earnings release , there are a number of items that impact the comparability of our results with those in the trailing quarter and prior quarter of last year . The discussion of our results may exclude these items to give you a better sense of our operating results . As always , the operating information we provide to you should be used as a complement to GAAP numbers . For a complete reconciliation between our GAAP and non - GAAP results , please refer to our earnings release and the earnings reconciliation found at the end of this document . The following reported and non - GAAP information included in this CFO commentary is unaudited and should be read in conjunction with the company's Form 10 - Q for the quarterly period ended April 3 , 2021 , and the Annual Report on Form 10 - K as filed with the Securities and Exchange Commission . investor.arrow.com 1 First - quarter 2021 diluted earnings per share increased 346 % year over year ; non - GAAP diluted earnings per share increased 193 % year over year V Five Years Out