Operating income for the Strategic Brands segment, exclusive of corporate and unallocated expenses, was $37.7 million for the three-months ended June 30, 2020, a decrease of approximately $12.4 million, or 24.7% lower than operating income of $50.1 million for the three-months ended June 30, 2019. The decrease in operating income for the three-months ended June 30, 2020 was primarily the result of a decrease in net sales related to the COVID-19 pandemic.
Operating income for the Other segment, exclusive of corporate and unallocated expenses, was $1.6 million for the three-months ended June 30, 2020, an increase of approximately $0.5 million, or 45.3% higher than operating income of $1.1 million for the three-months ended June 30, 2019.
Interest and Other (Expense) Income, net. Interest and other non-operating (expense) income, net, was ($1.8) million for the three-months ended June 30, 2020, as compared to interest and other non-operating (expense) income, net, of $3.0 million for the three-months ended June 30, 2019. Foreign currency transaction losses were $1.5 million and $0.9 million for the three-months ended June 30, 2020 and 2019, respectively. Interest income was $0.9 million and $4.1 million for the three-months ended June 30, 2020 and 2019, respectively.
Provision for Income Taxes. Provision for income taxes was $94.1 million for the three-months ended June 30, 2020, an increase of $4.6 million, or 5.2% higher than the provision for income taxes of $89.5 million for the three-months ended June 30, 2019. The effective combined federal, state and foreign tax rate decreased to 23.2% from 23.4% for the three-months ended June 30, 2020 and 2019, respectively.
Net Income. Net income was $311.4 million for the three-months ended June 30, 2020, an increase of $18.9 million, or 6.5% higher than net income of $292.5 million for the three-months ended June 30, 2019. The increase in net income was primarily due to the $30.1 million decrease in operating expenses for the three-months ended June 30, 2020.
Results of Operations for the Six-Months Ended June 30, 2020 Compared to the Six-Months Ended June 30, 2019.
Net Sales. Net sales were $2.16 billion for the six-months ended June 30, 2020, an increase of approximately $106.0 million, or 5.2% higher than net sales of $2.05 billion for the six-months ended June 30, 2019. The COVID-19 pandemic had an adverse impact on net sales for the six-months ended June 30, 2020. Net changes in foreign currency exchange rates had an unfavorable impact on net sales of approximately $28.6 million for the six-months ended June 30, 2020.
Net sales for the Monster Energy® Drinks segment were $2.02 billion for the six-months ended June 30, 2020, an increase of approximately $130.6 million, or 6.9% higher than net sales of $1.89 billion for the six-months ended June 30, 2019. Net sales for the Monster Energy® Drinks segment increased primarily due to increased worldwide sales by volume of our Monster Energy® brand energy drinks as a result of increased consumer demand as well as enhanced distribution and increased consumer demand for our Reign Total Body Fuel® high performance energy drinks. The COVID-19 pandemic had an adverse impact on net sales of the Monster Energy® Drinks segment for the six-months ended June 30, 2020. Net changes in foreign currency exchange rates had an unfavorable impact on net sales for the Monster Energy® Drinks segment of approximately $26.7 million for the six-months ended June 30, 2020.
Net sales for the Strategic Brands segment were $124.1 million for the three-months ended June 30, 2020, a decrease of approximately $25.3 million, or 16.9% lower than net sales of $149.4 million for the six-months ended June 30, 2019. The COVID-19 pandemic had a material adverse impact on net sales of the Strategic Brands segment for the six-months ended June 30, 2020. The COVID-19 pandemic impact was more pronounced in the Strategic Brand segment, particularly in EMEA, as our largest revenue generating countries for this segment experienced extended lockdowns. Net changes in foreign currency exchange rates had an unfavorable impact on net sales for the Strategic Brands segment of approximately $1.9 million for the six-months ended June 30, 2020.
Net sales for the Other segment were $11.7 million for the six-months ended June 30, 2020, an increase of approximately $0.6 million, or 5.7% higher than net sales of $11.1 million for the six-months ended June 30, 2019.
Case sales, in 192-ounce case equivalents, were 232.6 million cases for the six-months ended June 30, 2020, an increase of approximately 11.7 million cases or 5.3% higher than case sales of 220.9 million cases for the six-months ended June 30, 2019. The overall average net sales per case (excluding net sales of AFF Third-Party Products of $11.7 million and $11.1 million for the six-months ended June 30, 2020 and 2019, respectively, as these sales do not have unit case equivalents) decreased to $9.22 for the six-months ended June 30, 2020, as compared to net sales per case of $9.23 for the six-months ended June 30, 2019.