AFFO in the third quarter of 2021 was $302.5 million, a 12.0% increase over the prior year period. AFFO per share in the third quarter of 2021 was $2.71, a 13.9% increase over the prior year period.
Investing Activities
During the third quarter of 2021, SBA acquired 144 communication sites for total cash consideration of $57.1 million. SBA also built 87 towers during the third quarter of 2021. As of September 30, 2021, SBA owned or operated 34,072 communication sites, 17,322 of which are located in the United States and its territories, and 16,750 of which are located internationally. In addition, the Company spent $11.6 million to purchase land and easements and to extend lease terms. Total cash capital expenditures for the third quarter of 2021 were $92.9 million, consisting of $10.0 million of non-discretionary cash capital expenditures (tower maintenance and general corporate) and $82.9 million of discretionary cash capital expenditures (new tower builds, tower augmentations, acquisitions, and purchasing land and easements).
Subsequent to the third quarter of 2021, the Company purchased or is under contract to purchase approximately 1,700 communication sites for an aggregate consideration of approximately $231.0 million in cash, including approximately 1,400 sites and approximately $175.0 million in cash relating to the previously announced deal to acquire towers from Airtel Tanzania. The Company anticipates that these acquisitions will be consummated by the end of the second quarter of 2022 and that the Airtel Tanzania transaction will close in stages starting in the fourth quarter of this year.
Financing Activities and Liquidity
SBA ended the third quarter of 2021 with $11.9 billion of total debt, $7.8 billion of total secured debt, $252.3 million of cash and cash equivalents, short-term restricted cash, and short-term investments, and $11.7 billion of Net Debt. SBA’s Net Debt and Net Secured Debt to Annualized Adjusted EBITDA Leverage Ratios were 7.2x and 4.7x, respectively.
On October 14, 2021, the Company repaid the entire aggregate principal amount of the 2013-2C Tower Securities ($575.0 million) which had an anticipated repayment date of April 11, 2023.
On October 27, 2021, the Company, through an existing trust, issued $895.0 million of 1.840% Secured Tower Revenue Securities Series 2021-2C which have an anticipated repayment date of April 9, 2027 and a final maturity date of October 10, 2051 (the “2021-2C Tower Securities”) and $895.0 million of 2.593% Secured Tower Revenue Securities Series 2021-3C which have an anticipated repayment date of October 9, 2031 and a final maturity date of October 10, 2056 (the “2021-3C Tower Securities”). The aggregate $1.79 billion of 2021-2C Tower Securities and 2021-3C Tower Securities have a blended interest rate of 2.217% and a weighted average life through the anticipated repayment date of 7.8 years. Net proceeds from this offering were used to repay amounts outstanding under the Revolving Credit Facility and remaining proceeds will be used to redeem the entire aggregate principal amount of the 2016 Senior Notes ($1.1 billion) and to pay all premiums and costs associated with such redemption.
As of the date of this press release, the Company had no amounts outstanding under the $1.5 billion Revolving Credit Facility.
During the third quarter of 2021, the Company repurchased 0.4 million shares of its Class A common stock for $150.0 million at an average price per share of $340.70 under its $1.0 billion stock repurchase plan. Subsequent to September 30, 2021, the Company repurchased 0.6 million shares of its Class A common stock for $200.0 million, at an average price per share of $332.72. Shares repurchased were retired. After these repurchases, the Company had $125.1 million of authorization remaining under the plan. On October 28, 2021, the Company’s Board of Directors authorized a new $1.0 billion stock repurchase plan, replacing the prior plan authorized on November 2, 2020. This new plan authorized the Company to purchase, from time to time, up to $1.0 billion of our outstanding
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