$SPSC === Who: Black Archie C. (Officer (give title below) CEO) === Transaction Date: 2022-01-26 Transaction Code: A (Grant, award, or other acquisition of securities from the company (such as an option)) Amount: 22004 Price: 0.00 Amount of Securities: 87467 Transaction Date: 2022-01-27 Transaction Code: S (Sale of securities on an exchange or to another person) Amount: 6512 Price: 113.6536 Amount of Securities: 80955 Transaction Date: 2022-01-27 Transaction Code: S (Sale of securities on an exchange or to another person) Amount: 5667 Price: 114.5142 Amount of Securities: 75288 Transaction Date: 2022-01-27 Transaction Code: S (Sale of securities on an exchange or to another person) Amount: 4532 Price: 115.5497 Amount of Securities: 70756 Transaction Date: 2022-01-27 Transaction Code: S (Sale of securities on an exchange or to another person) Amount: 2097 Price: 116.6753 Amount of Securities: 68659 Transaction Date: 2022-01-27 Transaction Code: S (Sale of securities on an exchange or to another person) Amount: 1796 Price: 117.5835 Amount of Securities: 66863 === Explanation of Responses: On February 19, 2019, the reporting person was granted performance stock units ("PSUs"), with the number of PSUs earned to be determined based on the extent to which certain performance conditions were achieved for a three-year performance period of 2019-2021. As determined on January 26, 2022, based on actual performance, the reporting person earned the number of PSUs indicated, which PSUs were fully vested on that date. Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 3, 2021. Reflects the weighted average price of 6,512 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 27, 2022 with sales prices ranging from $113.03 to $113.94 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Reflects the weighted average price of 5,667 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 27, 2022 with sales prices ranging from $114.05 to $115.03 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Reflects the weighted average price of 4,532 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 27, 2022 with sales prices ranging from $115.11 to $116.09 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Reflects the weighted average price of 2,097 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 27, 2022 with sales prices ranging from $116.205 to $117.18 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Reflects the weighted average price of 1,796 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 27, 2022 with sales prices ranging from $117.21 to $118.19 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Reflects the weighted average price of 1,400 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on January 27, 2022 with sales prices ranging from $118.31 to $119.00 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. === Souse: sec.gov