SAN JOSE, Calif., Feb. 08, 2018 (GLOBE NEWSWIRE) -- Monolithic Power Systems, Inc. (MPS) (Nasdaq:MPWR), a leading company in high performance analog solutions, today announced financial results for the quarter and year ended December 31, 2017.  The Company also announced that its Board of Directors has approved an increase in its quarterly cash dividend from $0.20 per share to $0.30 per share. The first quarter dividend of $0.30 per share will be paid on April 13, 2018 to all stockholders of record as of the close of business on March 30, 2018.

The results for the quarter ended December 31, 2017 are as follows:

• Revenue was $129.4 million, a 0.4% increase from $128.9 million for the quarter ended September 30, 2017 and a 24.9% increase from $103.6 million for the quarter ended December 31, 2016.
• GAAP gross margin was 55.0%, compared with 54.5% for the quarter ended December 31, 2016.
• Non-GAAP (1) gross margin was 55.7%, excluding the impact of $0.4 million for stock-based compensation expense and $0.5 million for the amortization of acquisition-related intangible assets, compared with 55.4% for the quarter ended December 31, 2016, excluding the impact of $0.4 million for stock-based compensation expense and $0.5 million for the amortization of acquisition-related intangible assets.
• GAAP operating expenses were $46.1 million, compared with $39.0 million for the quarter ended December 31, 2016.
• Non-GAAP (1) operating expenses were $33.9 million, excluding $11.5 million for stock-based compensation expense and $0.8 million for deferred compensation plan expense, compared with $28.4 million, excluding $10.4 million for stock-based compensation expense and $0.2 million for deferred compensation plan expense, for the quarter ended December 31, 2016.
• GAAP operating income was $25.1 million, compared with $17.5 million for the quarter ended December 31, 2016.
• Non-GAAP (1) operating income was $38.2 million, excluding $11.9 million for stock-based compensation expense, $0.5 million for the amortization of acquisition-related intangible assets and $0.8 million for deferred compensation plan expense, compared with $29.0 million, excluding $10.7 million for stock-based compensation expense, $0.5 million for the amortization of acquisition-related intangible assets and $0.2 million for deferred compensation plan expense, for the quarter ended December 31, 2016.
• GAAP interest and other income, net was $1.6 million, compared with $0.9 million for the quarter ended December 31, 2016.
• Non-GAAP (1) interest and other income, net was $1.0 million, excluding $0.6 million for deferred compensation plan income, compared with $0.7 million, excluding $0.2 million for deferred compensation plan income, for the quarter ended December 31, 2016.
• GAAP income before income taxes was $26.7 million, compared with $18.4 million for the quarter ended December 31, 2016.
• Non-GAAP (1) income before income taxes was $39.2 million, excluding $11.9 million for stock-based compensation expense, $0.5 million for the amortization of acquisition-related intangible assets and $0.1 million for deferred compensation plan expense, compared with $29.7 million, excluding $10.7 million for stock-based compensation expense and $0.5 million for the amortization of acquisition-related intangible assets, for the quarter ended December 31, 2016.
• GAAP net income was $12.1 million and GAAP earnings per share were $0.27 per diluted share. Comparatively, GAAP net income was $16.6 million and GAAP earnings per share were $0.39 per diluted share for the quarter ended December 31, 2016.
• Non-GAAP (1) net income was $36.3 million and non-GAAP earnings per share were $0.82 per diluted share, excluding stock-based compensation expense, amortization of acquisition-related intangible assets, net deferred compensation plan expense and related tax effects, compared with non-GAAP net income of $27.5 million and non-GAAP earnings per share of $0.65 per diluted share, excluding stock-based compensation income, amortization of acquisition-related intangible assets, net deferred compensation plan expense and related tax effects, for the quarter ended December 31, 2016.

The results for the year ended December 31, 2017 are as follows:

• Revenue was $470.9 million, a 21.2% increase from $388.7 million for the year ended December 31, 2016.
• GAAP gross margin was 54.8%, compared with 54.3% for the year ended December 31, 2016.
• Non-GAAP (1) gross margin was 55.6%, excluding the impact of $1.7 million for stock-based compensation expense and $2.1 million for the amortization of acquisition-related intangible assets, compared with 55.2% for the year ended December 31, 2016, excluding the impact of $1.6 million for stock-based compensation expense and $2.1 million for the amortization of acquisition-related intangible assets.
• GAAP operating expenses were $180.9 million, compared with $156.4 million for the year ended December 31, 2016.
• Non-GAAP (1) operating expenses were $127.1 million, excluding $51.0 million for stock-based compensation expense and $2.8 million for deferred compensation plan expense, compared with $111.9 million, excluding $43.4 million for stock-based compensation expense and $1.1 million for deferred compensation plan expense, for the year ended December 31, 2016.
• GAAP operating income was $77.4 million, compared with $54.4 million for the year ended December 31, 2016.
• Non-GAAP (1) operating income was $134.9 million, excluding $52.6 million for stock-based compensation expense, $2.1 million for the amortization of acquisition-related intangible assets and $2.8 million for deferred compensation plan expense, compared with $102.6 million, excluding $45.0 million for stock-based compensation expense, $2.1 million for the amortization of acquisition-related intangible assets and $1.1 million for deferred compensation plan expense, for the year ended December 31, 2016.
• GAAP interest and other income, net was $5.5 million, compared with $2.8 million for the year ended December 31, 2016.
• Non-GAAP (1) interest and other income, net was $3.0 million, excluding $2.5 million for deferred compensation plan income, compared with $1.6 million, excluding $1.3 million for deferred compensation plan income, for the year ended December 31, 2016.
• GAAP income before income taxes was $82.9 million, compared with $57.3 million for the year ended December 31, 2016.
• Non-GAAP (1) income before income taxes was $137.9 million, excluding $52.6 million for stock-based compensation expense, $2.1 million for the amortization of acquisition-related intangible assets and $0.2 million for deferred compensation plan expense, compared with $104.1 million, excluding $45.0 million for stock-based compensation expense, $2.1 million for the amortization of acquisition-related intangible assets and $0.2 million for deferred compensation plan income, for the year ended December 31, 2016.
• GAAP net income was $65.2 million and GAAP earnings per share were $1.50 per diluted share. Comparatively, GAAP net income was $52.7 million and GAAP earnings per share were $1.26 per diluted share for the year ended December 31, 2016.
• Non-GAAP (1) net income was $127.5 million and non-GAAP earnings per share were $2.93 per diluted share, excluding stock-based compensation expense, amortization of acquisition-related intangible assets, net deferred compensation plan expense and related tax effects, compared with non-GAAP net income of $96.3 million and non-GAAP earnings per share of $2.30 per diluted share, excluding stock-based compensation expense, amortization of acquisition-related intangible assets, net deferred compensation plan income and related tax effects, for the year ended December 31, 2016.

On December 22, 2017, the Tax Cuts and Jobs Act (the “2017 Tax Act”) was enacted into law. For the fourth quarter and full year of 2017, the Company’s income tax provision included a net increase of $13.5 million as a result of the 2017 Tax Act.

The following is a summary of revenue by end market for the periods indicated, estimated based on MPS’s assessment of available end market data (in thousands):

The following is a summary of revenue by product family for the periods indicated (in thousands):