#1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $549.19 to $549.80, inclusive. The reporting person undertakes to provide to Credit Acceptance Corporation, any security holder of Credit Acceptance Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.

#2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $551.06 to $551.14, inclusive.

#1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $549.19 to $549.80, inclusive. The reporting person undertakes to provide to Credit Acceptance Corporation, any security holder of Credit Acceptance Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.

#2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $551.06 to $551.14, inclusive.

#1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $549.19 to $549.80, inclusive. The reporting person undertakes to provide to Credit Acceptance Corporation, any security holder of Credit Acceptance Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.

#2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $551.06 to $551.14, inclusive.

#1 These restricted stock units, which vest over a ten-year period, are intended to provide incentive compensation to the reporting person for 2025 through 2034, with no additional equity awards anticipated to be granted to the reporting person prior to the end of the ten-year period except in certain circumstances including significant changes in performance, responsibility, or market conditions.

#2 Includes 23,884 unvested restricted stock units that were granted under the Company's Incentive Compensation Plan. Each restricted stock unit represents and has a value equal to one share of common stock of Credit Acceptance Corporation.