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Sources and uses of cash related to equity during the twelve months ended December 31, 2020, 2019 and 2018 were as follows: 

• We did not repurchase any shares from public market transactions in 2020, 2019 or 2018. As of December 31, 2020, under the existing board authorization, the Company is approved for additional stock repurchases of $590.1 million. 

• During the twelve months ended December 31, 2020, 2019 and 2018, we paid cash dividends to Equifax shareholders of $189.5 million, $188.7 million and $187.9 million, respectively, at $1.56 per share for 2020, 2019 and 2018. 

We anticipate continuing the payment of quarterly cash dividends. The actual amount of such dividends is subject to declaration by our Board of Directors and will depend upon future earnings, results of operations, capital requirements, our financial condition and other relevant factors. There can be no assurance that the Company will continue to pay quarterly cash dividends at current levels or at all. 

## Contractual Obligations and Commercial Commitments 

The following table summarizes our significant contractual obligations and commitments as of December 31, 2020. The table excludes commitments that are contingent based on events or factors uncertain at this time. Some of the excluded commitments are discussed below the footnotes to the table. 

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(1) The amounts are gross of unamortized discounts totaling $23.8 million at December 31, 2020. Total debt on our Consolidated Balance Sheets is net of the unamortized discounts and fair value adjustments. There were no fair value adjustments to our debt at December 31, 2020. 

(2) Our operating lease obligations principally involve office space and equipment. 

(3) These agreements primarily represent our minimum contractual obligations for services that we outsource associated with our computer data processing operations and related functions, and certain administrative functions. These agreements expire between 2021 and 2027. 

(4) These long-term liabilities primarily relate to obligations associated with certain pension, postretirement and other compensation-related plans, some of which are discounted in accordance with U.S. generally accepted accounting principles, or GAAP. We made certain assumptions about the timing of such future payments. In the table above, we have not included amounts related to future pension plan obligations, as such required funding amounts beyond 2020 have not been deemed necessary due to our current expectations regarding future plan asset performance. 

(5) This table excludes $27.1 million of unrecognized tax benefits, including interest and penalties, as we cannot make a reasonably reliable estimate of the period of cash settlement with the respective taxing authorities. 

