MPWR

EX-99.1

2 mpwr-20260930xexx991.htm

EX-99.1

Document

Exhibit 99.1

Monolithic Power Systems

Q3'26 Earnings Commentary

The highest quality power solutions for

Industrial Applications, Telecom Infrastructures,

Cloud Computing, Automotive, and Consumer Applications

1

Monolithic Power Systems Reports Third Quarter Results on October 29, 2026

Monolithic Power Systems, Inc. (“MPS”) reported its results after market close on October 29, 2026 and will host a question-and-answer webinar at 2:00 p.m. PT / 5:00 p.m. ET. The webinar can be accessed from the Investor Relations section of the MPS website at www.monolithicpower.com.

Q3 2026 Financial Summary (Unaudited)

GAAP

Q3'26Q2'26Q3'25QoQ ChangeYoY Change

Revenue ($M)$ 1,202.4$ 980.6$ 737.222.6 %63.1 %

Gross Margin55.4 %55.2 %55.1 %0.2 pts0.3 pts

Opex ($M)$ 307.9$ 237.2$ 211.029.8 %45.9 %

Operating Margin29.7 %31.0 %26.5 %(1.3) pts3.2 pts

Net income ($M)$ 271.1$ 257.3$ 179.85.4 %50.8 %

Diluted EPS$ 5.51$ 5.22$ 3.745.6 %47.3 %

Non-GAAP

Q3'26Q2'26Q3'25QoQ ChangeYoY Change

Revenue ($M)$ 1,202.4$ 980.6$ 737.222.6 %63.1 %

Gross Margin55.7 %55.6 %55.5 %0.1 pts0.2 pts

Opex ($M)$ 205.3$ 177.6$ 148.315.6 %38.4 %

Operating Margin38.6 %37.5 %35.4 %1.1 pts3.2 pts

Net income ($M)$ 402.7$ 320.1$ 227.125.8 %77.3 %

Diluted EPS$ 8.19$ 6.50$ 4.7326.0 %73.2 %

Tax Rate15.0 % 15.0 % 15.0 % FlatFlat

Revenue by End Market

Revenue% Change% of Revenue

End Market ($M)Q3'26Q2'26Q3'25QoQYoY Q3'26Q2'26

Enterprise Data$ 506.7$ 380.6$ 191.533.2%164.6%42.1%38.8%

Storage & Computing192.2199.8186.6(3.8%)3.0%16.020.4

Communications187.4131.579.942.5%134.7%15.613.4

Automotive180.7157.1151.515.0%19.2%15.016.0

Industrial71.454.855.330.2%29.0%6.05.6

Consumer64.056.872.412.6%(11.6%)5.35.8

Total$ 1,202.4$ 980.6$ 737.222.6%63.1%100%100%

2

Ongoing Business Conditions

In Q3, MPS achieved another significant milestone exceeding $1 billion in quarterly revenue for the first time. Q3 revenue of $1.2 billion was 22.6% higher than the second quarter of 2026 and 63.1% higher than the third quarter of 2025.

During the quarter:

•Our capacity surpassed $6 billion dollars in annual revenue support. We expect to have $8 billion of capacity in place by the second half of 2027 on our way to $10 billion in support of our rapidly expanding business.

In our enterprise data end market:

•We saw strong demand across our existing customers which we expect to continue into 2027.

•In addition, using our in-house developed AI design tools we significantly expanded our customer base in traditional areas, as well as in new applications such as desktop AI designs.

In addition to our rapid Enterprise Data growth:

•In Automotive, we received first orders for our 48V power solutions and expect design wins for 48V and Zonal architectures to be a driver of growth in 2027.

•We started ramping robotics solutions with sensor and motor control products across multiple geographies.

•We landed our first large data converter design win which we expect to ramp 2027.

•We continued to increase our SAM with the ramp of our high speed memory products.

•We continued to build out our high voltage portfolio and began sampling GAN based solutions for use in 800V data center architectures complementing our existing SiC based designs.

Our diversified market strategy remains unchanged:

•MPS focuses on innovation and solving our customers’ most challenging problems.

•We consistently invest in new technologies that open new end markets and applications.

•We continue to transform from a chip-only semiconductor supplier to a full service solution provider.

•We continuously expand and diversify our global supply chain allowing us to capture future growth opportunities, maintain supply stability, and rapidly adapt to market changes as they occur.

3

“Overall, we see accelerated growth. Our diversified growth strategy is paying off,” said Michael Hsing, CEO and founder of MPS.

Q3 2026 Revenue Results

We had record revenue of $1,202 million in the third quarter, 22.6% higher than the second quarter of 2026 and 63.1% higher than revenue in the third quarter of 2025. Compared with the second quarter of 2026, sales improved sequentially across Communications, Enterprise Data, Industrial, Automotive and Consumer end markets.

In our Communications end market, third quarter revenue of $187.4 million was up 42.5% from the second quarter primarily as a result of higher sales of power solutions for optical modules and switches. Third quarter Communications revenue was up 134.7% year over year. Communications sales represented 15.6% of our total third quarter revenue compared with 13.4% in the second quarter of 2026.

Third quarter Enterprise Data revenue of $506.7 million increased 33.2% from the second quarter. The sequential increase was driven by higher sales of our power management solutions for AI and server applications. Third quarter Enterprise Data revenue was up 164.6% year over year. Enterprise Data revenu

EX-99.1

2 mpwr-20260630xexx991.htm

EX-99.1

Document

Exhibit 99.1

Monolithic Power Systems

Q2'26 Earnings Commentary

The highest quality power solutions for

Industrial Applications, Telecom Infrastructures,

Cloud Computing, Automotive, and Consumer Applications

1

Monolithic Power Systems Reports Second Quarter Results on July 30, 2026

Monolithic Power Systems, Inc. (“MPS”) reported its results after market close on July 30, 2026 and will host a question-and-answer webinar at 2:00 p.m. PT / 5:00 p.m. ET. The webinar can be accessed from the Investor Relations section of the MPS website at www.monolithicpower.com.

Q2 2026 Financial Summary (Unaudited)

GAAP

Q2'26Q1'26Q2'25QoQ ChangeYoY Change

Revenue ($M)$ 980.6$ 804.2$ 664.621.9 %47.6 %

Gross Margin55.2 %55.3 %55.1 %(0.1) pts0.1 pts

Opex ($M)$ 237.2$ 203.9$ 201.316.3 %17.8 %

Operating Margin31.0 %30.0 %24.8 %1.0 pts6.2 pts

Net income ($M)$ 257.3$ 193.2$ 135.033.2 %90.6 %

Diluted EPS$ 5.22$ 3.92$ 2.8133.2 %85.8 %

Non-GAAP

Q2'26Q1'26Q2'25QoQ ChangeYoY Change

Revenue ($M)$ 980.6$ 804.2$ 664.621.9 %47.6 %

Gross Margin55.6 %55.5 %55.5 %0.1 pts0.1 pts

Opex ($M)$ 177.6$ 158.3$ 137.612.1 %29.1 %

Operating Margin37.5 %35.8 %34.8 %1.7 pts2.7 pts

Net income ($M)$ 320.1$ 251.3$ 202.227.4 %58.3 %

Diluted EPS$ 6.50$ 5.10$ 4.2127.5 %54.4 %

Tax Rate15.0 % 15.0 % 15.0 % FlatFlat

Revenue by End Market

Revenue% Change% of Revenue

End Market ($M)Q2'26Q1'26Q2'25QoQYoY Q2'26Q1'26

Enterprise Data$ 380.6$ 262.8$ 144.044.8%164.3%38.8%32.7%

Storage & Computing199.8174.4195.314.6%2.3%20.421.7

Automotive157.1152.4145.13.1%8.2%16.018.9

Communications131.5111.573.818.0%78.3%13.413.9

Consumer56.854.559.74.2%(4.8%)5.86.8

Industrial54.848.646.712.7%17.3%5.66.0

Total$ 980.6$ 804.2$ 664.621.9%47.6%100%100%

2

Ongoing Business Conditions

In the second quarter of 2026, MPS achieved record quarterly revenue of $980.6 million, 21.9% higher than the first quarter of 2026 and 47.6% higher than revenue in the second quarter of 2025.

Our quarterly performance was the result of our continued innovation, our consistent execution and the resilience of our diversified market and supply chain strategy.

Q2 2026 highlights include:

•All end markets grew sequentially with Enterprise Data growing 45% as we continued to see strong, broad-based ordering patterns.

•We extended our capacity goal significantly beyond $6B to support future revenue growth and our transformation into a full solution provider.

•We received initial orders for high-speed DDR5 memory components which we expect to grow our SAM into next year.

•We began sampling High Voltage AC to DC products for 800V data center architectures as we expand beyond our current AI and server core power solutions.

•In our Automotive market, so far this year, we have shipped products for over 1500 new sockets as we increase our footprint in both ADAS and other applications within the vehicle.

We continue to adjust to the fluid geopolitical and macro-economic environment, but our diversified market strategy remains unchanged:

•MPS focuses on innovation and solving our customers’ most challenging problems.

•We consistently invest in new technologies that open new end markets and applications.

•We continuously expand and diversify our global supply chain allowing us to capture future growth opportunities, maintain supply stability, and rapidly adapt to market changes as they occur.

“Our results demonstrate the strength of our diversified model and our continued success in transforming from a chip-only, semiconductor supplier to a full service solutions provider,” said Michael Hsing, CEO and founder of MPS.

Q2 2026 Revenue Results

MPS reported second quarter revenue of $980.6 million, 21.9% higher than the first quarter of 2026 and 47.6% higher than revenue in the second quarter of 2025. Compared with the first quarter of 2026, sales improved sequentially across all end markets.

3

In our Enterprise Data market, second quarter 2026 revenue of $380.6 million increased 44.8% from the first quarter of 2026. The sequential increase was driven by higher sales of our power management solutions for AI and server applications. Second quarter 2026 Enterprise Data revenue was up 164.3% year over year. Enterprise Data revenue represented 38.8% of our total second quarter 2026 revenue compared with 32.7% in the first quarter of 2026.

Second quarter 2026 Communications revenue of $131.5 million was up 18.0% from the first quarter of 2026 primarily as a result of higher sales of power solutions for optical modules and switches. Second quarter 2026 Communications revenue was up 78.3% year over year. Communications sales represented 13.4% of our total second quarter 2026 revenue compared with 13.9% the first quarter of 2026.

Second quarter 2026 Storage and Computing revenue of $199.8 million increased 14.6% from the first quarter of 2026 on higher sales for memory and storage power management solutions. Second quarter 2026 S

mpwr20260305_8k.htm

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0001280452

2026-04-30 2026-04-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (date of earliest event reported):

April 30, 2026

MONOLITHIC POWER SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Delaware

000-51026

77-0466789

(State or other jurisdiction of

(Commission

(I.R.S. Employer

incorporation or organization)

File Number)

Identification Number)

1555 Palm Beach Lakes Blvd.,

West Palm Beach, Florida 33401

(Address of principal executive offices)(Zip Code)(1)

(561) 839-3999

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.001 per share

MPWR

The NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

(1) We have operations in multiple locations in the US, Europe and Asia and have not identified a single location as the Company’s headquarters. We are including this address to comply with the Securities and Exchange Commission’s requirements.

Item 2.02 Results of Operations and Financial Condition.

On April 30, 2026, Monolithic Power Systems, Inc. issued a press release regarding its financial results for the quarter ended March 31, 2026. The press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

The information under Item 2.02 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto are being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “1934 Act”), nor shall they be deemed incorporated by reference in any filing with the Securities and Exchange Commission under the 1934 Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit

Description

99.1

Press release issued on April 30, 2026 for the quarter ended March 31, 2026.

104

Cover Page Interactive Data File (embedded within the Inline XBRL Document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: April 30, 2026

By:

/s/ Robert Dean

Robert Dean

Interim Chief Financial Officer